Page 38 - Littelfuse Inc. Products - PTC Resettable Fuses

RXE185
Littelfuse Inc.

POLYSWITCH RXE SERIES 1.85A HOLD

Package: Radial, Disc

Stock5,040
RXE375
Littelfuse Inc.

POLYSWITCH RXE SERIES 3.75A HOLD

Package: Radial, Disc

Stock7,560
RUE250
Littelfuse Inc.

POLYSWITCH RUE SERIES 2.50A

Package: Radial, Disc

Stock4,950
RXE017
Littelfuse Inc.

POLYSWITCH RXE SERIES 0.17A HOLD

Package: Radial, Disc

Stock3,942
RXE110
Littelfuse Inc.

POLYSWITCH RXE SERIES 1.10A HOLD

Package: Radial, Disc

Stock6,552
RXE160
Littelfuse Inc.

POLYSWITCH RXE SERIES 1.60A HOLD

Package: Radial, Disc

Stock6,984
RUE090
Littelfuse Inc.

POLYSWITCH RUE SERIES 0.90A

Package: Radial, Disc

Stock5,220
RUE300
Littelfuse Inc.

POLYSWITCH RUE SERIES 3.00A

Package: Radial, Disc

Stock3,636
RUE500
Littelfuse Inc.

POLYSWITCH RUE SERIES 5.00A

Package: Radial, Disc

Stock7,110
RUE110
Littelfuse Inc.

POLYSWITCH RUE SERIES 1.10A

Package: Radial, Disc

Stock4,680
RXE040
Littelfuse Inc.

POLYSWITCH RXE SERIES 0.40A HOLD

Package: Radial, Disc

Stock5,094
RXE025
Littelfuse Inc.

POLYSWITCH RXE SERIES 0.25A HOLD

Package: Radial, Disc

Stock7,254
RXE020
Littelfuse Inc.

POLYSWITCH RXE SERIES 0.20A HOLD

Package: Radial, Disc

Stock5,796
RXE030
Littelfuse Inc.

POLYSWITCH RXE SERIES 0.30A HOLD

Package: Radial, Disc

Stock5,274
RUE400
Littelfuse Inc.

POLYSWITCH RUE SERIES 4.00A

Package: Radial, Disc

Stock5,346
SRP420
Littelfuse Inc.

POLYSWITCH STRAP 4.20A HOLD

Package: Strap

Stock3,186
RUE160
Littelfuse Inc.

POLYSWITCH RUE SERIES 1.60A

Package: Radial, Disc

Stock8,100
RUE185
Littelfuse Inc.

POLYSWITCH RUE SERIES 1.85A

Package: Radial, Disc

Stock3,096
RXE075
Littelfuse Inc.

POLYSWITCH RXE SERIES 0.75A HOLD

Package: Radial, Disc

Stock6,408
TR250-145
Littelfuse Inc.

POLYSWITCH 0.145A HOLD ENCAPSUL

Package: Radial, Disc

Stock11,172

Part Number	Manufacturer	Description	Package	Stock	Voltage - Max	Current - Max	Current - Hold (Ih) (Max)	Current - Trip (It)	Time to Trip	Resistance - Initial (Ri) (Min)	Resistance - Post Trip (R1) (Max)	Resistance - 25°C (Typ)	Operating Temperature	Ratings	Mounting Type	Package / Case	Size / Dimension	Height - Seated (Max)	Thickness (Max)	Lead Spacing
RXE185	Littelfuse Inc.	POLYSWITCH RXE SERIES 1.85A HOLD Type: Polymeric Voltage - Max: 72V Current - Max: 40A Current - Hold (Ih) (Max): 1.85A Current - Trip (It): 3.7A Time to Trip: 12.6s Resistance - Initial (Ri) (Min): 80 mOhms Resistance - Post Trip (R1) (Max): 190 mOhms Resistance - 25°C (Typ): - Operating Temperature: - Ratings: - Mounting Type: Through Hole Package / Case: Radial, Disc Size / Dimension: 0.689" Dia x 0.118" W (17.50mm x 3.00mm) Height - Seated (Max): 0.882" (22.40mm) Thickness (Max): - Lead Spacing: 0.199" (5.05mm)	Package: Radial, Disc	Stock5,040	72V	40A	1.85A	3.7A	12.6s	80 mOhms	190 mOhms	-	-	-	Through Hole	Radial, Disc	0.689" Dia x 0.118" W (17.50mm x 3.00mm)	0.882" (22.40mm)	-	0.199" (5.05mm)
RXE375	Littelfuse Inc.	POLYSWITCH RXE SERIES 3.75A HOLD Type: Polymeric Voltage - Max: 72V Current - Max: 40A Current - Hold (Ih) (Max): 3.75A Current - Trip (It): 7.5A Time to Trip: 24s Resistance - Initial (Ri) (Min): 30 mOhms Resistance - Post Trip (R1) (Max): 80 mOhms Resistance - 25°C (Typ): - Operating Temperature: - Ratings: - Mounting Type: Through Hole Package / Case: Radial, Disc Size / Dimension: 1.071" Dia x 0.118" W (27.20mm x 3.00mm) Height - Seated (Max): 1.252" (31.80mm) Thickness (Max): - Lead Spacing: 0.400" (10.15mm)	Package: Radial, Disc	Stock7,560	72V	40A	3.75A	7.5A	24s	30 mOhms	80 mOhms	-	-	-	Through Hole	Radial, Disc	1.071" Dia x 0.118" W (27.20mm x 3.00mm)	1.252" (31.80mm)	-	0.400" (10.15mm)
RUE250	Littelfuse Inc.	POLYSWITCH RUE SERIES 2.50A Type: Polymeric Voltage - Max: 30V Current - Max: 40A Current - Hold (Ih) (Max): 2.5A Current - Trip (It): 5A Time to Trip: 10.3s Resistance - Initial (Ri) (Min): 20 mOhms Resistance - Post Trip (R1) (Max): 70 mOhms Resistance - 25°C (Typ): - Operating Temperature: -40°C ~ 85°C Ratings: - Mounting Type: Through Hole Package / Case: Radial, Disc Size / Dimension: 0.449" L x 0.118" W (11.40mm x 3.00mm) Height - Seated (Max): 0.720" (18.30mm) Thickness (Max): - Lead Spacing: 0.201" (5.10mm)	Package: Radial, Disc	Stock4,950	30V	40A	2.5A	5A	10.3s	20 mOhms	70 mOhms	-	-40°C ~ 85°C	-	Through Hole	Radial, Disc	0.449" L x 0.118" W (11.40mm x 3.00mm)	0.720" (18.30mm)	-	0.201" (5.10mm)
RXE017	Littelfuse Inc.	POLYSWITCH RXE SERIES 0.17A HOLD Type: Polymeric Voltage - Max: 60V Current - Max: 40A Current - Hold (Ih) (Max): 170mA Current - Trip (It): 340mA Time to Trip: 3s Resistance - Initial (Ri) (Min): 3.3 Ohms Resistance - Post Trip (R1) (Max): 8 Ohms Resistance - 25°C (Typ): - Operating Temperature: - Ratings: - Mounting Type: Through Hole Package / Case: Radial, Disc Size / Dimension: 0.291" Dia x 0.120" W (7.40mm x 3.00mm) Height - Seated (Max): 0.500" (12.70mm) Thickness (Max): - Lead Spacing: 0.199" (5.05mm)	Package: Radial, Disc	Stock3,942	60V	40A	170mA	340mA	3s	3.3 Ohms	8 Ohms	-	-	-	Through Hole	Radial, Disc	0.291" Dia x 0.120" W (7.40mm x 3.00mm)	0.500" (12.70mm)	-	0.199" (5.05mm)
RXE110	Littelfuse Inc.	POLYSWITCH RXE SERIES 1.10A HOLD Type: Polymeric Voltage - Max: 72V Current - Max: 40A Current - Hold (Ih) (Max): 1.1A Current - Trip (It): 2.2A Time to Trip: 8.2s Resistance - Initial (Ri) (Min): 150 mOhms Resistance - Post Trip (R1) (Max): 380 mOhms Resistance - 25°C (Typ): - Operating Temperature: - Ratings: - Mounting Type: Through Hole Package / Case: Radial, Disc Size / Dimension: 0.504" Dia x 0.118" W (12.80mm x 3.00mm) Height - Seated (Max): 0.689" (17.50mm) Thickness (Max): - Lead Spacing: 0.199" (5.05mm)	Package: Radial, Disc	Stock6,552	72V	40A	1.1A	2.2A	8.2s	150 mOhms	380 mOhms	-	-	-	Through Hole	Radial, Disc	0.504" Dia x 0.118" W (12.80mm x 3.00mm)	0.689" (17.50mm)	-	0.199" (5.05mm)
RXE160	Littelfuse Inc.	POLYSWITCH RXE SERIES 1.60A HOLD Type: Polymeric Voltage - Max: 60V Current - Max: 40A Current - Hold (Ih) (Max): 1.6A Current - Trip (It): 3.2A Time to Trip: 11.4s Resistance - Initial (Ri) (Min): 90 mOhms Resistance - Post Trip (R1) (Max): 220 mOhms Resistance - 25°C (Typ): - Operating Temperature: -40°C ~ 85°C Ratings: - Mounting Type: Through Hole Package / Case: Radial, Disc Size / Dimension: 0.642" Dia x 0.120" W (16.30mm x 3.00mm) Height - Seated (Max): 0.819" (20.80mm) Thickness (Max): - Lead Spacing: 0.199" (5.05mm)	Package: Radial, Disc	Stock6,984	60V	40A	1.6A	3.2A	11.4s	90 mOhms	220 mOhms	-	-40°C ~ 85°C	-	Through Hole	Radial, Disc	0.642" Dia x 0.120" W (16.30mm x 3.00mm)	0.819" (20.80mm)	-	0.199" (5.05mm)
RUE090	Littelfuse Inc.	POLYSWITCH RUE SERIES 0.90A Type: Polymeric Voltage - Max: 30V Current - Max: 40A Current - Hold (Ih) (Max): 900mA Current - Trip (It): 1.8A Time to Trip: 5.9s Resistance - Initial (Ri) (Min): 70 mOhms Resistance - Post Trip (R1) (Max): 220 mOhms Resistance - 25°C (Typ): - Operating Temperature: -40°C ~ 85°C Ratings: - Mounting Type: Through Hole Package / Case: Radial, Disc Size / Dimension: 0.291" L x 0.118" W (7.40mm x 3.00mm) Height - Seated (Max): 0.480" (12.20mm) Thickness (Max): - Lead Spacing: 0.199" (5.05mm)	Package: Radial, Disc	Stock5,220	30V	40A	900mA	1.8A	5.9s	70 mOhms	220 mOhms	-	-40°C ~ 85°C	-	Through Hole	Radial, Disc	0.291" L x 0.118" W (7.40mm x 3.00mm)	0.480" (12.20mm)	-	0.199" (5.05mm)
RUE300	Littelfuse Inc.	POLYSWITCH RUE SERIES 3.00A Type: Polymeric Voltage - Max: 30V Current - Max: 40A Current - Hold (Ih) (Max): 3A Current - Trip (It): 6A Time to Trip: 10.8s Resistance - Initial (Ri) (Min): 20 mOhms Resistance - Post Trip (R1) (Max): 80 mOhms Resistance - 25°C (Typ): - Operating Temperature: -40°C ~ 85°C Ratings: - Mounting Type: Through Hole Package / Case: Radial, Disc Size / Dimension: 0.449" L x 0.118" W (11.40mm x 3.00mm) Height - Seated (Max): 0.681" (17.30mm) Thickness (Max): - Lead Spacing: 0.201" (5.10mm)	Package: Radial, Disc	Stock3,636	30V	40A	3A	6A	10.8s	20 mOhms	80 mOhms	-	-40°C ~ 85°C	-	Through Hole	Radial, Disc	0.449" L x 0.118" W (11.40mm x 3.00mm)	0.681" (17.30mm)	-	0.201" (5.10mm)
RUE500	Littelfuse Inc.	POLYSWITCH RUE SERIES 5.00A Type: Polymeric Voltage - Max: 30V Current - Max: 40A Current - Hold (Ih) (Max): 5A Current - Trip (It): 10A Time to Trip: 14.5s Resistance - Initial (Ri) (Min): 10 mOhms Resistance - Post Trip (R1) (Max): 50 mOhms Resistance - 25°C (Typ): - Operating Temperature: -40°C ~ 85°C Ratings: - Mounting Type: Through Hole Package / Case: Radial, Disc Size / Dimension: 0.551" L x 0.120" W (14.00mm x 3.00mm) Height - Seated (Max): 0.980" (24.90mm) Thickness (Max): - Lead Spacing: 0.402" (10.20mm)	Package: Radial, Disc	Stock7,110	30V	40A	5A	10A	14.5s	10 mOhms	50 mOhms	-	-40°C ~ 85°C	-	Through Hole	Radial, Disc	0.551" L x 0.120" W (14.00mm x 3.00mm)	0.980" (24.90mm)	-	0.402" (10.20mm)
RUE110	Littelfuse Inc.	POLYSWITCH RUE SERIES 1.10A Type: Polymeric Voltage - Max: 30V Current - Max: 40A Current - Hold (Ih) (Max): 1.1A Current - Trip (It): 2.2A Time to Trip: 6.6s Resistance - Initial (Ri) (Min): 50 mOhms Resistance - Post Trip (R1) (Max): 170 mOhms Resistance - 25°C (Typ): - Operating Temperature: -40°C ~ 85°C Ratings: - Mounting Type: Through Hole Package / Case: Radial, Disc Size / Dimension: 0.291" L x 0.118" W (7.40mm x 3.00mm) Height - Seated (Max): 0.560" (14.20mm) Thickness (Max): - Lead Spacing: 0.201" (5.10mm)	Package: Radial, Disc	Stock4,680	30V	40A	1.1A	2.2A	6.6s	50 mOhms	170 mOhms	-	-40°C ~ 85°C	-	Through Hole	Radial, Disc	0.291" L x 0.118" W (7.40mm x 3.00mm)	0.560" (14.20mm)	-	0.201" (5.10mm)
RXE040	Littelfuse Inc.	POLYSWITCH RXE SERIES 0.40A HOLD Type: Polymeric Voltage - Max: 72V Current - Max: 40A Current - Hold (Ih) (Max): 400mA Current - Trip (It): 800mA Time to Trip: 3.8s Resistance - Initial (Ri) (Min): 550 mOhms Resistance - Post Trip (R1) (Max): 1.29 Ohms Resistance - 25°C (Typ): - Operating Temperature: - Ratings: - Mounting Type: Through Hole Package / Case: Radial, Disc Size / Dimension: 0.299" Dia x 0.118" W (7.60mm x 3.00mm) Height - Seated (Max): 0.532" (13.50mm) Thickness (Max): - Lead Spacing: 0.199" (5.05mm)	Package: Radial, Disc	Stock5,094	72V	40A	400mA	800mA	3.8s	550 mOhms	1.29 Ohms	-	-	-	Through Hole	Radial, Disc	0.299" Dia x 0.118" W (7.60mm x 3.00mm)	0.532" (13.50mm)	-	0.199" (5.05mm)
RXE025	Littelfuse Inc.	POLYSWITCH RXE SERIES 0.25A HOLD Type: Polymeric Voltage - Max: 72V Current - Max: 40A Current - Hold (Ih) (Max): 250mA Current - Trip (It): 500mA Time to Trip: 2.5s Resistance - Initial (Ri) (Min): 1.25 Ohms Resistance - Post Trip (R1) (Max): 3 Ohms Resistance - 25°C (Typ): - Operating Temperature: - Ratings: - Mounting Type: Through Hole Package / Case: Radial, Disc Size / Dimension: 0.291" Dia x 0.120" W (7.40mm x 3.00mm) Height - Seated (Max): 0.500" (12.70mm) Thickness (Max): - Lead Spacing: 0.199" (5.05mm)	Package: Radial, Disc	Stock7,254	72V	40A	250mA	500mA	2.5s	1.25 Ohms	3 Ohms	-	-	-	Through Hole	Radial, Disc	0.291" Dia x 0.120" W (7.40mm x 3.00mm)	0.500" (12.70mm)	-	0.199" (5.05mm)
RXE020	Littelfuse Inc.	POLYSWITCH RXE SERIES 0.20A HOLD Type: Polymeric Voltage - Max: 72V Current - Max: 40A Current - Hold (Ih) (Max): 200mA Current - Trip (It): 400mA Time to Trip: 2.2s Resistance - Initial (Ri) (Min): 1.83 Ohms Resistance - Post Trip (R1) (Max): 4.4 Ohms Resistance - 25°C (Typ): - Operating Temperature: - Ratings: - Mounting Type: Through Hole Package / Case: Radial, Disc Size / Dimension: 0.291" Dia x 0.120" W (7.40mm x 3.00mm) Height - Seated (Max): 0.461" (11.70mm) Thickness (Max): - Lead Spacing: 0.199" (5.05mm)	Package: Radial, Disc	Stock5,796	72V	40A	200mA	400mA	2.2s	1.83 Ohms	4.4 Ohms	-	-	-	Through Hole	Radial, Disc	0.291" Dia x 0.120" W (7.40mm x 3.00mm)	0.461" (11.70mm)	-	0.199" (5.05mm)
RXE030	Littelfuse Inc.	POLYSWITCH RXE SERIES 0.30A HOLD Type: Polymeric Voltage - Max: 72V Current - Max: 40A Current - Hold (Ih) (Max): 300mA Current - Trip (It): 600mA Time to Trip: 3s Resistance - Initial (Ri) (Min): 880 mOhms Resistance - Post Trip (R1) (Max): 2.1 Ohms Resistance - 25°C (Typ): - Operating Temperature: - Ratings: - Mounting Type: Through Hole Package / Case: Radial, Disc Size / Dimension: 0.291" Dia x 0.120" W (7.40mm x 3.00mm) Height - Seated (Max): 0.500" (12.70mm) Thickness (Max): - Lead Spacing: 0.199" (5.05mm)	Package: Radial, Disc	Stock5,274	72V	40A	300mA	600mA	3s	880 mOhms	2.1 Ohms	-	-	-	Through Hole	Radial, Disc	0.291" Dia x 0.120" W (7.40mm x 3.00mm)	0.500" (12.70mm)	-	0.199" (5.05mm)
RUE400	Littelfuse Inc.	POLYSWITCH RUE SERIES 4.00A Type: Polymeric Voltage - Max: 30V Current - Max: 40A Current - Hold (Ih) (Max): 4A Current - Trip (It): 8A Time to Trip: 12.7s Resistance - Initial (Ri) (Min): 10 mOhms Resistance - Post Trip (R1) (Max): 50 mOhms Resistance - 25°C (Typ): - Operating Temperature: -40°C ~ 85°C Ratings: - Mounting Type: Through Hole Package / Case: Radial, Disc Size / Dimension: 0.551" L x 0.120" W (14.00mm x 3.00mm) Height - Seated (Max): 0.831" (21.10mm) Thickness (Max): - Lead Spacing: 0.201" (5.10mm)	Package: Radial, Disc	Stock5,346	30V	40A	4A	8A	12.7s	10 mOhms	50 mOhms	-	-40°C ~ 85°C	-	Through Hole	Radial, Disc	0.551" L x 0.120" W (14.00mm x 3.00mm)	0.831" (21.10mm)	-	0.201" (5.10mm)
SRP420	Littelfuse Inc.	POLYSWITCH STRAP 4.20A HOLD Type: Polymeric Voltage - Max: 30V Current - Max: 100A Current - Hold (Ih) (Max): 4.2A Current - Trip (It): 7.6A Time to Trip: 6s Resistance - Initial (Ri) (Min): 12 mOhms Resistance - Post Trip (R1) (Max): 40 mOhms Resistance - 25°C (Typ): - Operating Temperature: -40°C ~ 85°C Ratings: - Mounting Type: User Defined Package / Case: Strap Size / Dimension: 1.240" L x 0.522" W (31.50mm x 13.25mm) Height - Seated (Max): - Thickness (Max): 0.043" (1.10mm) Lead Spacing: -	Package: Strap	Stock3,186	30V	100A	4.2A	7.6A	6s	12 mOhms	40 mOhms	-	-40°C ~ 85°C	-	User Defined	Strap	1.240" L x 0.522" W (31.50mm x 13.25mm)	-	0.043" (1.10mm)	-
RUE160	Littelfuse Inc.	POLYSWITCH RUE SERIES 1.60A Type: Polymeric Voltage - Max: 30V Current - Max: 40A Current - Hold (Ih) (Max): 1.6A Current - Trip (It): 3.2A Time to Trip: 8s Resistance - Initial (Ri) (Min): 30 mOhms Resistance - Post Trip (R1) (Max): 110 mOhms Resistance - 25°C (Typ): - Operating Temperature: -40°C ~ 85°C Ratings: - Mounting Type: Through Hole Package / Case: Radial, Disc Size / Dimension: 0.350" L x 0.118" W (8.90mm x 3.00mm) Height - Seated (Max): 0.598" (15.20mm) Thickness (Max): - Lead Spacing: 0.201" (5.10mm)	Package: Radial, Disc	Stock8,100	30V	40A	1.6A	3.2A	8s	30 mOhms	110 mOhms	-	-40°C ~ 85°C	-	Through Hole	Radial, Disc	0.350" L x 0.118" W (8.90mm x 3.00mm)	0.598" (15.20mm)	-	0.201" (5.10mm)
RUE185	Littelfuse Inc.	POLYSWITCH RUE SERIES 1.85A Type: Polymeric Voltage - Max: 30V Current - Max: 40A Current - Hold (Ih) (Max): 1.85A Current - Trip (It): 3.7A Time to Trip: 8.7s Resistance - Initial (Ri) (Min): 30 mOhms Resistance - Post Trip (R1) (Max): 90 mOhms Resistance - 25°C (Typ): - Operating Temperature: -40°C ~ 85°C Ratings: - Mounting Type: Through Hole Package / Case: Radial, Disc Size / Dimension: 0.402" L x 0.118" W (10.20mm x 3.00mm) Height - Seated (Max): 0.618" (15.70mm) Thickness (Max): - Lead Spacing: 0.201" (5.10mm)	Package: Radial, Disc	Stock3,096	30V	40A	1.85A	3.7A	8.7s	30 mOhms	90 mOhms	-	-40°C ~ 85°C	-	Through Hole	Radial, Disc	0.402" L x 0.118" W (10.20mm x 3.00mm)	0.618" (15.70mm)	-	0.201" (5.10mm)
RXE075	Littelfuse Inc.	POLYSWITCH RXE SERIES 0.75A HOLD Type: Polymeric Voltage - Max: 60V Current - Max: 40A Current - Hold (Ih) (Max): 750mA Current - Trip (It): 1.5A Time to Trip: 6.3s Resistance - Initial (Ri) (Min): 250 mOhms Resistance - Post Trip (R1) (Max): 600 mOhms Resistance - 25°C (Typ): - Operating Temperature: -40°C ~ 85°C Ratings: - Mounting Type: Through Hole Package / Case: Radial, Disc Size / Dimension: 0.402" Dia x 0.118" W (10.20mm x 3.00mm) Height - Seated (Max): 0.598" (15.20mm) Thickness (Max): - Lead Spacing: 0.199" (5.05mm)	Package: Radial, Disc	Stock6,408	60V	40A	750mA	1.5A	6.3s	250 mOhms	600 mOhms	-	-40°C ~ 85°C	-	Through Hole	Radial, Disc	0.402" Dia x 0.118" W (10.20mm x 3.00mm)	0.598" (15.20mm)	-	0.199" (5.05mm)
TR250-145	Littelfuse Inc.	POLYSWITCH 0.145A HOLD ENCAPSUL Type: Polymeric Voltage - Max: 250V (60V Int) Current - Max: 3A Current - Hold (Ih) (Max): 145mA Current - Trip (It): - Time to Trip: 2.5s Resistance - Initial (Ri) (Min): 3 Ohms Resistance - Post Trip (R1) (Max): 14 Ohms Resistance - 25°C (Typ): - Operating Temperature: -40°C ~ 85°C Ratings: - Mounting Type: Through Hole Package / Case: Radial, Disc Size / Dimension: 0.256" L x 0.181" W (6.50mm x 4.60mm) Height - Seated (Max): 0.433" (11.00mm) Thickness (Max): - Lead Spacing: 0.197" (5.00mm)	Package: Radial, Disc	Stock11,172	250V (60V Int)	3A	145mA	-	2.5s	3 Ohms	14 Ohms	-	-40°C ~ 85°C	-	Through Hole	Radial, Disc	0.256" L x 0.181" W (6.50mm x 4.60mm)	0.433" (11.00mm)	-	0.197" (5.00mm)
TR250-120U	Littelfuse Inc.	POLYSWITCH 0.120A HOLD UNENCAPS Type: Polymeric Voltage - Max: 250V (60V Int) Current - Max: 3A Current - Hold (Ih) (Max): 120mA Current - Trip (It): - Time to Trip: 1s Resistance - Initial (Ri) (Min): 6 Ohms Resistance - Post Trip (R1) (Max): 16 Ohms Resistance - 25°C (Typ): - Operating Temperature: -40°C ~ 85°C Ratings: - Mounting Type: Through Hole Package / Case: Radial, Disc Size / Dimension: 0.256" L x 0.181" W (6.50mm x 4.60mm) Height - Seated (Max): 0.433" (11.00mm) Thickness (Max): - Lead Spacing: 0.197" (5.00mm)	Package: Radial, Disc	Stock8,676	250V (60V Int)	3A	120mA	-	1s	6 Ohms	16 Ohms	-	-40°C ~ 85°C	-	Through Hole	Radial, Disc	0.256" L x 0.181" W (6.50mm x 4.60mm)	0.433" (11.00mm)	-	0.197" (5.00mm)
TR250-145U	Littelfuse Inc.	POLYSWITCH 0.145A HOLD UNENCAPS Type: Polymeric Voltage - Max: 250V (60V Int) Current - Max: 3A Current - Hold (Ih) (Max): 145mA Current - Trip (It): - Time to Trip: 2s Resistance - Initial (Ri) (Min): 3.5 Ohms Resistance - Post Trip (R1) (Max): 12 Ohms Resistance - 25°C (Typ): - Operating Temperature: -40°C ~ 85°C Ratings: - Mounting Type: Through Hole Package / Case: Radial, Disc Size / Dimension: 0.236" L x 0.150" W (6.00mm x 3.80mm) Height - Seated (Max): 0.394" (10.00mm) Thickness (Max): - Lead Spacing: 0.197" (5.00mm)	Package: Radial, Disc	Stock7,848	250V (60V Int)	3A	145mA	-	2s	3.5 Ohms	12 Ohms	-	-40°C ~ 85°C	-	Through Hole	Radial, Disc	0.236" L x 0.150" W (6.00mm x 3.80mm)	0.394" (10.00mm)	-	0.197" (5.00mm)
RXE135	Littelfuse Inc.	POLYSWITCH RXE SERIES 1.35A HOLD Type: Polymeric Voltage - Max: 60V Current - Max: 40A Current - Hold (Ih) (Max): 1.35A Current - Trip (It): 2.7A Time to Trip: 9.6s Resistance - Initial (Ri) (Min): 120 mOhms Resistance - Post Trip (R1) (Max): 300 mOhms Resistance - 25°C (Typ): - Operating Temperature: -40°C ~ 85°C Ratings: - Mounting Type: Through Hole Package / Case: Radial, Disc Size / Dimension: 0.571" Dia x 0.118" W (14.50mm x 3.00mm) Height - Seated (Max): 0.752" (19.10mm) Thickness (Max): - Lead Spacing: 0.199" (5.05mm)	Package: Radial, Disc	Stock6,588	60V	40A	1.35A	2.7A	9.6s	120 mOhms	300 mOhms	-	-40°C ~ 85°C	-	Through Hole	Radial, Disc	0.571" Dia x 0.118" W (14.50mm x 3.00mm)	0.752" (19.10mm)	-	0.199" (5.05mm)
SRP200	Littelfuse Inc.	POLYSWITCH STRAP 2.00A HOLD Type: Polymeric Voltage - Max: 30V Current - Max: 100A Current - Hold (Ih) (Max): 2A Current - Trip (It): 4.4A Time to Trip: 4s Resistance - Initial (Ri) (Min): 30 mOhms Resistance - Post Trip (R1) (Max): 100 mOhms Resistance - 25°C (Typ): - Operating Temperature: -40°C ~ 85°C Ratings: - Mounting Type: User Defined Package / Case: Strap Size / Dimension: 0.880" L x 0.417" W (22.35mm x 10.60mm) Height - Seated (Max): - Thickness (Max): 0.043" (1.10mm) Lead Spacing: -	Package: Strap	Stock6,930	30V	100A	2A	4.4A	4s	30 mOhms	100 mOhms	-	-40°C ~ 85°C	-	User Defined	Strap	0.880" L x 0.417" W (22.35mm x 10.60mm)	-	0.043" (1.10mm)	-
SRP350	Littelfuse Inc.	POLYSWITCH STRAP 3.50A HOLD Type: Polymeric Voltage - Max: 30V Current - Max: 100A Current - Hold (Ih) (Max): 3.5A Current - Trip (It): 6.3A Time to Trip: 3s Resistance - Initial (Ri) (Min): 17 mOhms Resistance - Post Trip (R1) (Max): 50 mOhms Resistance - 25°C (Typ): - Operating Temperature: -40°C ~ 85°C Ratings: - Mounting Type: User Defined Package / Case: Strap Size / Dimension: 1.185" L x 0.522" W (30.10mm x 13.25mm) Height - Seated (Max): - Thickness (Max): 0.043" (1.10mm) Lead Spacing: -	Package: Strap	Stock2,394	30V	100A	3.5A	6.3A	3s	17 mOhms	50 mOhms	-	-40°C ~ 85°C	-	User Defined	Strap	1.185" L x 0.522" W (30.10mm x 13.25mm)	-	0.043" (1.10mm)	-
RUE800	Littelfuse Inc.	POLYSWITCH RUE SERIES 8.00A Type: Polymeric Voltage - Max: 30V Current - Max: 40A Current - Hold (Ih) (Max): 8A Current - Trip (It): 16A Time to Trip: 18.8s Resistance - Initial (Ri) (Min): 5 mOhms Resistance - Post Trip (R1) (Max): 20 mOhms Resistance - 25°C (Typ): - Operating Temperature: -40°C ~ 85°C Ratings: - Mounting Type: Through Hole Package / Case: Radial, Disc Size / Dimension: 0.850" L x 0.118" W (21.60mm x 3.00mm) Height - Seated (Max): 1.150" (29.20mm) Thickness (Max): - Lead Spacing: 0.402" (10.20mm)	Package: Radial, Disc	Stock2,016	30V	40A	8A	16A	18.8s	5 mOhms	20 mOhms	-	-40°C ~ 85°C	-	Through Hole	Radial, Disc	0.850" L x 0.118" W (21.60mm x 3.00mm)	1.150" (29.20mm)	-	0.402" (10.20mm)
TR600-150	Littelfuse Inc.	POLYSWITCH 0.150A HOLD ENCAPSUL Type: Polymeric Voltage - Max: 60V (600V Int) Current - Max: 3A Current - Hold (Ih) (Max): 150mA Current - Trip (It): - Time to Trip: 8s Resistance - Initial (Ri) (Min): 6 Ohms Resistance - Post Trip (R1) (Max): 22 Ohms Resistance - 25°C (Typ): - Operating Temperature: - Ratings: - Mounting Type: Through Hole Package / Case: Radial, Disc Size / Dimension: 0.532" L x 0.236" W (13.50mm x 6.00mm) Height - Seated (Max): 0.496" (12.60mm) Thickness (Max): - Lead Spacing: 0.197" (5.00mm)	Package: Radial, Disc	Stock6,624	60V (600V Int)	3A	150mA	-	8s	6 Ohms	22 Ohms	-	-	-	Through Hole	Radial, Disc	0.532" L x 0.236" W (13.50mm x 6.00mm)	0.496" (12.60mm)	-	0.197" (5.00mm)
TR250-180U	Littelfuse Inc.	POLYSWITCH 0.180A HOLD UNENCAPS Type: - Voltage - Max: - Current - Max: - Current - Hold (Ih) (Max): 180mA Current - Trip (It): - Time to Trip: - Resistance - Initial (Ri) (Min): - Resistance - Post Trip (R1) (Max): - Resistance - 25°C (Typ): - Operating Temperature: - Ratings: - Mounting Type: Through Hole Package / Case: Radial, Disc Size / Dimension: 0.409" L x 0.142" W (10.40mm x 3.60mm) Height - Seated (Max): 0.496" (12.60mm) Thickness (Max): - Lead Spacing: 0.197" (5.00mm)	Package: Radial, Disc	Stock8,046	-	-	180mA	-	-	-	-	-	-	-	Through Hole	Radial, Disc	0.409" L x 0.142" W (10.40mm x 3.60mm)	0.496" (12.60mm)	-	0.197" (5.00mm)