Page 3 - Littelfuse Inc. Products - Signal Relays, Up to 2 Amps

HE722A0540
Littelfuse Inc.

RELAY REED DPST 500MA 5V

Package: -

Stock3,564
HE722A0520
Littelfuse Inc.

RELAY REED DPST 500MA 5V

Package: -

Stock2,790
HE3671A0510
Littelfuse Inc.

RELAY REED SPST 500MA 5V

Package: -

Stock8,802
HE721A2415
Littelfuse Inc.

RELAY REED SPST 500MA 24V

Package: -

Stock7,254
HE721A1215
Littelfuse Inc.

RELAY REED SPST 500MA 12V

Package: -

Stock2,466
HE721A0515
Littelfuse Inc.

RELAY REED SPST 500MA 5V

Package: -

Stock7,398
HE421A2450
Littelfuse Inc.

RELAY REED SPST 500MA 24V

Package: -

Stock3,384
HE421A1250
Littelfuse Inc.

RELAY REED SPST 500MA 12V

Package: -

Stock4,140
HE221A2450
Littelfuse Inc.

RELAY REED SPST 500MA 24V

Package: -

Stock3,528
HE221A1250
Littelfuse Inc.

RELAY REED SPST 500MA 12V

Package: -

Stock8,874
HE221A0550
Littelfuse Inc.

RELAY REED SPST 500MA 5V

Package: -

Stock2,394
HE421A0550
Littelfuse Inc.

RELAY REED SPST 500MA 5V

Package: -

Stock4,842
HE422A2450
Littelfuse Inc.

RELAY REED DPST 500MA 24V

Package: -

Stock8,568
HE252A1290
Littelfuse Inc.

RELAY REED DPST 500MA 12V

Package: -

Stock8,802
HE3671A0500
Littelfuse Inc.

RELAY REED SPST 500MA 5V

Package: -

Stock4,014
HE721R0510
Littelfuse Inc.

RELAY REED SPDT 250MA 5V

Package: -

Stock4,302
HE722A0530
Littelfuse Inc.

RELAY REED DPST 500MA 5V

Package: -

Stock7,200
HE721R0500
Littelfuse Inc.

RELAY REED SPDT 250MA 5V

Package: -

Stock6,714
HE721C2450
Littelfuse Inc.

RELAY REED SPDT 250MA 24V

Package: -

Stock2,538
HE721C0540
Littelfuse Inc.

RELAY REED SPDT 250MA 5V

Package: -

Stock6,642

Part Number	Manufacturer	Description	Package	Stock	Coil Type	Coil Current	Coil Voltage	Contact Form	Contact Rating (Current)	Switching Voltage	Turn On Voltage (Max)	Turn Off Voltage (Min)	Operate Time	Release Time	Features	Mounting Type	Termination Style
HE722A0540	Littelfuse Inc.	RELAY REED DPST 500MA 5V Relay Type: Reed Coil Type: Non Latching Coil Current: 25mA Coil Voltage: 5VDC Contact Form: DPST (2 Form A) Contact Rating (Current): 500mA Switching Voltage: 200VDC - Max Turn On Voltage (Max): 3.75 VDC Turn Off Voltage (Min): 0.5 VDC Operate Time: 1ms Release Time: 1ms Features: Magnetic Shield Mounting Type: Through Hole Termination Style: PC Pin	Package: -	Stock3,564	Non Latching	25mA	5VDC	DPST (2 Form A)	500mA	200VDC - Max	3.75 VDC	0.5 VDC	1ms	1ms	Magnetic Shield	Through Hole	PC Pin
HE722A0520	Littelfuse Inc.	RELAY REED DPST 500MA 5V Relay Type: Reed Coil Type: Non Latching Coil Current: 25mA Coil Voltage: 5VDC Contact Form: DPST (2 Form A) Contact Rating (Current): 500mA Switching Voltage: 200VDC - Max Turn On Voltage (Max): 3.75 VDC Turn Off Voltage (Min): 0.5 VDC Operate Time: 1ms Release Time: 1ms Features: Electrostatic Shield Mounting Type: Through Hole Termination Style: PC Pin	Package: -	Stock2,790	Non Latching	25mA	5VDC	DPST (2 Form A)	500mA	200VDC - Max	3.75 VDC	0.5 VDC	1ms	1ms	Electrostatic Shield	Through Hole	PC Pin
HE3671A0510	Littelfuse Inc.	RELAY REED SPST 500MA 5V Relay Type: Reed Coil Type: Non Latching Coil Current: 10mA Coil Voltage: 5VDC Contact Form: SPST-NO (1 Form A) Contact Rating (Current): 500mA Switching Voltage: 200VDC - Max Turn On Voltage (Max): 3.75 VDC Turn Off Voltage (Min): 0.5 VDC Operate Time: 1ms Release Time: 1ms Features: Diode Mounting Type: Through Hole Termination Style: PC Pin	Package: -	Stock8,802	Non Latching	10mA	5VDC	SPST-NO (1 Form A)	500mA	200VDC - Max	3.75 VDC	0.5 VDC	1ms	1ms	Diode	Through Hole	PC Pin
HE721A2415	Littelfuse Inc.	RELAY REED SPST 500MA 24V Relay Type: Reed Coil Type: Non Latching Coil Current: 11.1mA Coil Voltage: 24VDC Contact Form: SPST-NO (1 Form A) Contact Rating (Current): 500mA Switching Voltage: 200VDC - Max Turn On Voltage (Max): 16 VDC Turn Off Voltage (Min): 2 VDC Operate Time: 1ms Release Time: 1ms Features: - Mounting Type: Through Hole Termination Style: PC Pin	Package: -	Stock7,254	Non Latching	11.1mA	24VDC	SPST-NO (1 Form A)	500mA	200VDC - Max	16 VDC	2 VDC	1ms	1ms	-	Through Hole	PC Pin
HE721A1215	Littelfuse Inc.	RELAY REED SPST 500MA 12V Relay Type: Reed Coil Type: Non Latching Coil Current: 12mA Coil Voltage: 12VDC Contact Form: SPST-NO (1 Form A) Contact Rating (Current): 500mA Switching Voltage: 200VDC - Max Turn On Voltage (Max): 8 VDC Turn Off Voltage (Min): 1 VDC Operate Time: 1ms Release Time: 1ms Features: - Mounting Type: Through Hole Termination Style: PC Pin	Package: -	Stock2,466	Non Latching	12mA	12VDC	SPST-NO (1 Form A)	500mA	200VDC - Max	8 VDC	1 VDC	1ms	1ms	-	Through Hole	PC Pin
HE721A0515	Littelfuse Inc.	RELAY REED SPST 500MA 5V Relay Type: Reed Coil Type: Non Latching Coil Current: 10mA Coil Voltage: 5VDC Contact Form: SPST-NO (1 Form A) Contact Rating (Current): 500mA Switching Voltage: 200VDC - Max Turn On Voltage (Max): 3.75 VDC Turn Off Voltage (Min): 0.5 VDC Operate Time: 1ms Release Time: 1ms Features: - Mounting Type: Through Hole Termination Style: PC Pin	Package: -	Stock7,398	Non Latching	10mA	5VDC	SPST-NO (1 Form A)	500mA	200VDC - Max	3.75 VDC	0.5 VDC	1ms	1ms	-	Through Hole	PC Pin
HE421A2450	Littelfuse Inc.	RELAY REED SPST 500MA 24V Relay Type: Reed Coil Type: Non Latching Coil Current: 6.25mA Coil Voltage: 24VDC Contact Form: SPST-NO (1 Form A) Contact Rating (Current): 500mA Switching Voltage: 200VDC - Max Turn On Voltage (Max): 18 VDC Turn Off Voltage (Min): 2 VDC Operate Time: 1ms Release Time: 1ms Features: - Mounting Type: Through Hole Termination Style: PC Pin	Package: -	Stock3,384	Non Latching	6.25mA	24VDC	SPST-NO (1 Form A)	500mA	200VDC - Max	18 VDC	2 VDC	1ms	1ms	-	Through Hole	PC Pin
HE421A1250	Littelfuse Inc.	RELAY REED SPST 500MA 12V Relay Type: Reed Coil Type: Non Latching Coil Current: 12.5mA Coil Voltage: 12VDC Contact Form: SPST-NO (1 Form A) Contact Rating (Current): 500mA Switching Voltage: 200VDC - Max Turn On Voltage (Max): 8.5 VDC Turn Off Voltage (Min): 1 VDC Operate Time: 1ms Release Time: 1ms Features: - Mounting Type: Through Hole Termination Style: PC Pin	Package: -	Stock4,140	Non Latching	12.5mA	12VDC	SPST-NO (1 Form A)	500mA	200VDC - Max	8.5 VDC	1 VDC	1ms	1ms	-	Through Hole	PC Pin
HE221A2450	Littelfuse Inc.	RELAY REED SPST 500MA 24V Relay Type: Reed Coil Type: Non Latching Coil Current: 7.3mA Coil Voltage: 24VDC Contact Form: SPST-NO (1 Form A) Contact Rating (Current): 500mA Switching Voltage: 200VDC - Max Turn On Voltage (Max): 16.8 VDC Turn Off Voltage (Min): 1.4 VDC Operate Time: 1ms Release Time: 1ms Features: Sealed - Hermetically Mounting Type: Through Hole Termination Style: PC Pin	Package: -	Stock3,528	Non Latching	7.3mA	24VDC	SPST-NO (1 Form A)	500mA	200VDC - Max	16.8 VDC	1.4 VDC	1ms	1ms	Sealed - Hermetically	Through Hole	PC Pin
HE221A1250	Littelfuse Inc.	RELAY REED SPST 500MA 12V Relay Type: Reed Coil Type: Non Latching Coil Current: 14mA Coil Voltage: 12VDC Contact Form: SPST-NO (1 Form A) Contact Rating (Current): 500mA Switching Voltage: 200VDC - Max Turn On Voltage (Max): 8.4 VDC Turn Off Voltage (Min): 0.7 VDC Operate Time: 1ms Release Time: 1ms Features: Sealed - Hermetically Mounting Type: Through Hole Termination Style: PC Pin	Package: -	Stock8,874	Non Latching	14mA	12VDC	SPST-NO (1 Form A)	500mA	200VDC - Max	8.4 VDC	0.7 VDC	1ms	1ms	Sealed - Hermetically	Through Hole	PC Pin
HE221A0550	Littelfuse Inc.	RELAY REED SPST 500MA 5V Relay Type: Reed Coil Type: Non Latching Coil Current: 35.7mA Coil Voltage: 5VDC Contact Form: SPST-NO (1 Form A) Contact Rating (Current): 500mA Switching Voltage: 200VDC - Max Turn On Voltage (Max): 3.5 VDC Turn Off Voltage (Min): 0.28 VDC Operate Time: 1ms Release Time: 1ms Features: Sealed - Hermetically Mounting Type: Through Hole Termination Style: PC Pin	Package: -	Stock2,394	Non Latching	35.7mA	5VDC	SPST-NO (1 Form A)	500mA	200VDC - Max	3.5 VDC	0.28 VDC	1ms	1ms	Sealed - Hermetically	Through Hole	PC Pin
HE421A0550	Littelfuse Inc.	RELAY REED SPST 500MA 5V Relay Type: Reed Coil Type: Non Latching Coil Current: 20.8mA Coil Voltage: 5VDC Contact Form: SPST-NO (1 Form A) Contact Rating (Current): 500mA Switching Voltage: 200VDC - Max Turn On Voltage (Max): 3.75 VDC Turn Off Voltage (Min): 0.4 VDC Operate Time: 1ms Release Time: 1ms Features: - Mounting Type: Through Hole Termination Style: PC Pin	Package: -	Stock4,842	Non Latching	20.8mA	5VDC	SPST-NO (1 Form A)	500mA	200VDC - Max	3.75 VDC	0.4 VDC	1ms	1ms	-	Through Hole	PC Pin
HE422A2450	Littelfuse Inc.	RELAY REED DPST 500MA 24V Relay Type: Reed Coil Type: Non Latching Coil Current: 10.4mA Coil Voltage: 24VDC Contact Form: DPST (2 Form A) Contact Rating (Current): 500mA Switching Voltage: 200VDC - Max Turn On Voltage (Max): 18 VDC Turn Off Voltage (Min): 2 VDC Operate Time: 1ms Release Time: 1ms Features: - Mounting Type: Through Hole Termination Style: PC Pin	Package: -	Stock8,568	Non Latching	10.4mA	24VDC	DPST (2 Form A)	500mA	200VDC - Max	18 VDC	2 VDC	1ms	1ms	-	Through Hole	PC Pin
HE252A1290	Littelfuse Inc.	RELAY REED DPST 500MA 12V Relay Type: Reed Coil Type: Non Latching Coil Current: 27mA Coil Voltage: 12VDC Contact Form: DPST (2 Form A) Contact Rating (Current): 500mA Switching Voltage: 300VDC - Max Turn On Voltage (Max): 8.4 VDC Turn Off Voltage (Min): 0.65 VDC Operate Time: 1ms Release Time: 1ms Features: Sealed - Hermetically Mounting Type: Through Hole Termination Style: PC Pin	Package: -	Stock8,802	Non Latching	27mA	12VDC	DPST (2 Form A)	500mA	300VDC - Max	8.4 VDC	0.65 VDC	1ms	1ms	Sealed - Hermetically	Through Hole	PC Pin
HE3671A0500	Littelfuse Inc.	RELAY REED SPST 500MA 5V Relay Type: Reed Coil Type: Non Latching Coil Current: 10mA Coil Voltage: 5VDC Contact Form: SPST-NO (1 Form A) Contact Rating (Current): 500mA Switching Voltage: 200VDC - Max Turn On Voltage (Max): 3.75 VDC Turn Off Voltage (Min): 0.5 VDC Operate Time: 1ms Release Time: 1ms Features: - Mounting Type: Through Hole Termination Style: PC Pin	Package: -	Stock4,014	Non Latching	10mA	5VDC	SPST-NO (1 Form A)	500mA	200VDC - Max	3.75 VDC	0.5 VDC	1ms	1ms	-	Through Hole	PC Pin
HE721R0510	Littelfuse Inc.	RELAY REED SPDT 250MA 5V Relay Type: Reed Coil Type: Non Latching Coil Current: 25mA Coil Voltage: 5VDC Contact Form: SPDT (1 Form C) Contact Rating (Current): 250mA Switching Voltage: 175VDC - Max Turn On Voltage (Max): 3.75 VDC Turn Off Voltage (Min): 0.5 VDC Operate Time: 3ms Release Time: 3ms Features: Diode Mounting Type: Through Hole Termination Style: PC Pin	Package: -	Stock4,302	Non Latching	25mA	5VDC	SPDT (1 Form C)	250mA	175VDC - Max	3.75 VDC	0.5 VDC	3ms	3ms	Diode	Through Hole	PC Pin
HE722A0530	Littelfuse Inc.	RELAY REED DPST 500MA 5V Relay Type: Reed Coil Type: Non Latching Coil Current: 25mA Coil Voltage: 5VDC Contact Form: DPST (2 Form A) Contact Rating (Current): 500mA Switching Voltage: 200VDC - Max Turn On Voltage (Max): 3.75 VDC Turn Off Voltage (Min): 0.5 VDC Operate Time: 1ms Release Time: 1ms Features: Diode, Electrostatic Shield Mounting Type: Through Hole Termination Style: PC Pin	Package: -	Stock7,200	Non Latching	25mA	5VDC	DPST (2 Form A)	500mA	200VDC - Max	3.75 VDC	0.5 VDC	1ms	1ms	Diode, Electrostatic Shield	Through Hole	PC Pin
HE721R0500	Littelfuse Inc.	RELAY REED SPDT 250MA 5V Relay Type: Reed Coil Type: Non Latching Coil Current: 25mA Coil Voltage: 5VDC Contact Form: SPDT (1 Form C) Contact Rating (Current): 250mA Switching Voltage: 175VDC - Max Turn On Voltage (Max): 3.75 VDC Turn Off Voltage (Min): 0.5 VDC Operate Time: 3ms Release Time: 3ms Features: - Mounting Type: Through Hole Termination Style: PC Pin	Package: -	Stock6,714	Non Latching	25mA	5VDC	SPDT (1 Form C)	250mA	175VDC - Max	3.75 VDC	0.5 VDC	3ms	3ms	-	Through Hole	PC Pin
HE721C2450	Littelfuse Inc.	RELAY REED SPDT 250MA 24V Relay Type: Reed Coil Type: Non Latching Coil Current: 12mA Coil Voltage: 24VDC Contact Form: SPDT (1 Form C) Contact Rating (Current): 250mA Switching Voltage: 175VDC - Max Turn On Voltage (Max): 16 VDC Turn Off Voltage (Min): 2 VDC Operate Time: 3ms Release Time: 3ms Features: Diode, External Magnetic Shield Mounting Type: Through Hole Termination Style: PC Pin	Package: -	Stock2,538	Non Latching	12mA	24VDC	SPDT (1 Form C)	250mA	175VDC - Max	16 VDC	2 VDC	3ms	3ms	Diode, External Magnetic Shield	Through Hole	PC Pin
HE721C0540	Littelfuse Inc.	RELAY REED SPDT 250MA 5V Relay Type: Reed Coil Type: Non Latching Coil Current: 25mA Coil Voltage: 5VDC Contact Form: SPDT (1 Form C) Contact Rating (Current): 250mA Switching Voltage: 175VDC - Max Turn On Voltage (Max): 3.75 VDC Turn Off Voltage (Min): 0.5 VDC Operate Time: 3ms Release Time: 3ms Features: Magnetic Shield Mounting Type: Through Hole Termination Style: PC Pin	Package: -	Stock6,642	Non Latching	25mA	5VDC	SPDT (1 Form C)	250mA	175VDC - Max	3.75 VDC	0.5 VDC	3ms	3ms	Magnetic Shield	Through Hole	PC Pin
HE721C1250	Littelfuse Inc.	RELAY REED SPDT 250MA 12V Relay Type: Reed Coil Type: Non Latching Coil Current: 24mA Coil Voltage: 12VDC Contact Form: SPDT (1 Form C) Contact Rating (Current): 250mA Switching Voltage: 175VDC - Max Turn On Voltage (Max): 8 VDC Turn Off Voltage (Min): 1 VDC Operate Time: 3ms Release Time: 3ms Features: Diode, External Magnetic Shield Mounting Type: Through Hole Termination Style: PC Pin	Package: -	Stock3,454	Non Latching	24mA	12VDC	SPDT (1 Form C)	250mA	175VDC - Max	8 VDC	1 VDC	3ms	3ms	Diode, External Magnetic Shield	Through Hole	PC Pin
HE721C1230	Littelfuse Inc.	RELAY REED SPDT 250MA 12V Relay Type: Reed Coil Type: Non Latching Coil Current: 24mA Coil Voltage: 12VDC Contact Form: SPDT (1 Form C) Contact Rating (Current): 250mA Switching Voltage: 175VDC - Max Turn On Voltage (Max): 8 VDC Turn Off Voltage (Min): 1 VDC Operate Time: 3ms Release Time: 3ms Features: Diode, Electrostatic Shield Mounting Type: Through Hole Termination Style: PC Pin	Package: -	Stock3,456	Non Latching	24mA	12VDC	SPDT (1 Form C)	250mA	175VDC - Max	8 VDC	1 VDC	3ms	3ms	Diode, Electrostatic Shield	Through Hole	PC Pin
HE721C0520	Littelfuse Inc.	RELAY REED SPDT 250MA 5V Relay Type: Reed Coil Type: Non Latching Coil Current: 25mA Coil Voltage: 5VDC Contact Form: SPDT (1 Form C) Contact Rating (Current): 250mA Switching Voltage: 175VDC - Max Turn On Voltage (Max): 3.75 VDC Turn Off Voltage (Min): 0.5 VDC Operate Time: 3ms Release Time: 3ms Features: Electrostatic Shield Mounting Type: Through Hole Termination Style: PC Pin	Package: -	Stock8,550	Non Latching	25mA	5VDC	SPDT (1 Form C)	250mA	175VDC - Max	3.75 VDC	0.5 VDC	3ms	3ms	Electrostatic Shield	Through Hole	PC Pin
HE721C0530	Littelfuse Inc.	RELAY REED SPDT 250MA 5V Relay Type: Reed Coil Type: Non Latching Coil Current: 25mA Coil Voltage: 5VDC Contact Form: SPDT (1 Form C) Contact Rating (Current): 250mA Switching Voltage: 175VDC - Max Turn On Voltage (Max): 3.75 VDC Turn Off Voltage (Min): 0.5 VDC Operate Time: 3ms Release Time: 3ms Features: Diode, Electrostatic Shield Mounting Type: Through Hole Termination Style: PC Pin	Package: -	Stock5,598	Non Latching	25mA	5VDC	SPDT (1 Form C)	250mA	175VDC - Max	3.75 VDC	0.5 VDC	3ms	3ms	Diode, Electrostatic Shield	Through Hole	PC Pin
HE721R2410	Littelfuse Inc.	RELAY REED SPDT 250MA 24V Relay Type: Reed Coil Type: Non Latching Coil Current: 12mA Coil Voltage: 24VDC Contact Form: SPDT (1 Form C) Contact Rating (Current): 250mA Switching Voltage: 175VDC - Max Turn On Voltage (Max): 16 VDC Turn Off Voltage (Min): 2 VDC Operate Time: 3ms Release Time: 3ms Features: Diode Mounting Type: Through Hole Termination Style: PC Pin	Package: -	Stock3,024	Non Latching	12mA	24VDC	SPDT (1 Form C)	250mA	175VDC - Max	16 VDC	2 VDC	3ms	3ms	Diode	Through Hole	PC Pin
HE721R1210	Littelfuse Inc.	RELAY REED SPDT 250MA 12V Relay Type: Reed Coil Type: Non Latching Coil Current: 24mA Coil Voltage: 12VDC Contact Form: SPDT (1 Form C) Contact Rating (Current): 250mA Switching Voltage: 175VDC - Max Turn On Voltage (Max): 8 VDC Turn Off Voltage (Min): 1 VDC Operate Time: 3ms Release Time: 3ms Features: Diode Mounting Type: Through Hole Termination Style: PC Pin	Package: -	Stock5,292	Non Latching	24mA	12VDC	SPDT (1 Form C)	250mA	175VDC - Max	8 VDC	1 VDC	3ms	3ms	Diode	Through Hole	PC Pin
HE721B0510	Littelfuse Inc.	RELAY RED SPST-NC 500MA 5V Relay Type: Reed Coil Type: Non Latching Coil Current: 10mA Coil Voltage: 5VDC Contact Form: SPST-NC (1 Form B) Contact Rating (Current): 500mA Switching Voltage: 200VDC - Max Turn On Voltage (Max): 3.75 VDC Turn Off Voltage (Min): 0.5 VDC Operate Time: 1ms Release Time: 1ms Features: Diode Mounting Type: Through Hole Termination Style: PC Pin	Package: -	Stock2,664	Non Latching	10mA	5VDC	SPST-NC (1 Form B)	500mA	200VDC - Max	3.75 VDC	0.5 VDC	1ms	1ms	Diode	Through Hole	PC Pin
HE3321C0400	Littelfuse Inc.	RELAY REED SPDT 250MA 5V Relay Type: Reed Coil Type: Non Latching Coil Current: 40mA Coil Voltage: 5VDC Contact Form: SPDT (1 Form C) Contact Rating (Current): 250mA Switching Voltage: 175VDC - Max Turn On Voltage (Max): 3.75 VDC Turn Off Voltage (Min): 0.5 VDC Operate Time: 3ms Release Time: 3ms Features: - Mounting Type: Through Hole Termination Style: PC Pin	Package: -	Stock6,696	Non Latching	40mA	5VDC	SPDT (1 Form C)	250mA	175VDC - Max	3.75 VDC	0.5 VDC	3ms	3ms	-	Through Hole	PC Pin