Page 14 - Panasonic Electronic Components Products - TVS - Varistors, MOVs

ERZ-C20EK112Y
Panasonic Electronic Components

VARISTOR 1100V 8KA CHASSIS MNT

Package: Module

Stock2,718
ERZ-C20EK102Y
Panasonic Electronic Components

VARISTOR 1000V 8KA CHASSIS MNT

Package: Module

Stock2,988
ERZ-C20EK911Y
Panasonic Electronic Components

VARISTOR 910V 8KA CHASSIS MNT

Package: Module

Stock2,250
ERZ-C20EK821Y
Panasonic Electronic Components

VARISTOR 820V 8KA CHASSIS MNT

Package: Module

Stock7,902
ERZ-C20EK781Y
Panasonic Electronic Components

VARISTOR 780V 8KA CHASSIS MNT

Package: Module

Stock5,670
ERZ-C20EK751Y
Panasonic Electronic Components

VARISTOR 750V 8KA CHASSIS MNT

Package: Module

Stock3,006
ERZ-C20EK681Y
Panasonic Electronic Components

VARISTOR 680V 8KA CHASSIS MNT

Package: Module

Stock2,592
ERZ-C20EK621Y
Panasonic Electronic Components

VARISTOR 620V 8KA CHASSIS MNT

Package: Module

Stock4,896
ERZ-C20EK511Y
Panasonic Electronic Components

VARISTOR 510V 8KA CHASSIS MNT

Package: Module

Stock3,024
ERZ-C20EK471Y
Panasonic Electronic Components

VARISTOR 470V 8KA CHASSIS MNT

Package: Module

Stock7,434
ERZ-C20EK431Y
Panasonic Electronic Components

VARISTOR 430V 8KA CHASSIS MNT

Package: Module

Stock8,370
ERZ-C20EK391Y
Panasonic Electronic Components

VARISTOR 390V 8KA CHASSIS MNT

Package: Module

Stock6,894
ERZ-C20EK361Y
Panasonic Electronic Components

VARISTOR 360V 8KA CHASSIS MNT

Package: Module

Stock4,968
ERZ-C20EK271Y
Panasonic Electronic Components

VARISTOR 270V 8KA CHASSIS MNT

Package: Module

Stock3,078
ERZ-C20EK241Y
Panasonic Electronic Components

VARISTOR 240V 8KA CHASSIS MNT

Package: Module

Stock3,204
ERZ-VS34C751
Panasonic Electronic Components

VARISTOR 750V 40KA SQUARE 36MM

Package: Square 36mm, Formed Tabs

Stock5,400
ERZ-VS34C951
Panasonic Electronic Components

VARISTOR 950V 40KA SQUARE 36MM

Package: Square 36mm, Formed Tabs

Stock7,254
ERZ-VS34C471
Panasonic Electronic Components

VARISTOR 470V 40KA SQUARE 36MM

Package: Square 36mm, Formed Tabs

Stock7,992
ERZ-VS34C621
Panasonic Electronic Components

VARISTOR 620V 40KA SQUARE 36MM

Package: Square 36mm, Formed Tabs

Stock8,154
ERZ-C32EK911
Panasonic Electronic Components

VARISTOR 910V 25KA CHASSIS

Package: Module

Stock6,444

Part Number	Manufacturer	Description	Package	Stock	Varistor Voltage (Typ)	Varistor Voltage (Max)	Current - Surge	Energy	Number of Circuits	Number of Circuits	Maximum AC Volts	Maximum DC Volts	Capacitance @ Frequency	Operating Temperature	Mounting Type	Package / Case
ERZ-C20EK112Y	Panasonic Electronic Components	VARISTOR 1100V 8KA CHASSIS MNT Varistor Voltage (Min): 990V Varistor Voltage (Typ): 1100V Varistor Voltage (Max): 1210V Current - Surge: 8kA Energy: 250J Number of Circuits: 1 Number of Circuits: 1 Maximum AC Volts: 680VAC Maximum DC Volts: 895VDC Capacitance @ Frequency: 350pF @ 1kHz Operating Temperature: -40°C ~ 85°C (TA) Mounting Type: Chassis Mount Package / Case: Module	Package: Module	Stock2,718	1100V	1210V	8kA	250J	1	1	680VAC	895VDC	350pF @ 1kHz	-40°C ~ 85°C (TA)	Chassis Mount	Module
ERZ-C20EK102Y	Panasonic Electronic Components	VARISTOR 1000V 8KA CHASSIS MNT Varistor Voltage (Min): 900V Varistor Voltage (Typ): 1000V Varistor Voltage (Max): 1100V Current - Surge: 8kA Energy: 245J Number of Circuits: 1 Number of Circuits: 1 Maximum AC Volts: 625VAC Maximum DC Volts: 825VDC Capacitance @ Frequency: 400pF @ 1kHz Operating Temperature: -40°C ~ 85°C (TA) Mounting Type: Chassis Mount Package / Case: Module	Package: Module	Stock2,988	1000V	1100V	8kA	245J	1	1	625VAC	825VDC	400pF @ 1kHz	-40°C ~ 85°C (TA)	Chassis Mount	Module
ERZ-C20EK911Y	Panasonic Electronic Components	VARISTOR 910V 8KA CHASSIS MNT Varistor Voltage (Min): 819V Varistor Voltage (Typ): 910V Varistor Voltage (Max): 1001V Current - Surge: 8kA Energy: 240J Number of Circuits: 1 Number of Circuits: 1 Maximum AC Volts: 550VAC Maximum DC Volts: 745VDC Capacitance @ Frequency: 700pF @ 1kHz Operating Temperature: -40°C ~ 85°C (TA) Mounting Type: Chassis Mount Package / Case: Module	Package: Module	Stock2,250	910V	1001V	8kA	240J	1	1	550VAC	745VDC	700pF @ 1kHz	-40°C ~ 85°C (TA)	Chassis Mount	Module
ERZ-C20EK821Y	Panasonic Electronic Components	VARISTOR 820V 8KA CHASSIS MNT Varistor Voltage (Min): 738V Varistor Voltage (Typ): 820V Varistor Voltage (Max): 902V Current - Surge: 8kA Energy: 215J Number of Circuits: 1 Number of Circuits: 1 Maximum AC Volts: 510VAC Maximum DC Volts: 670VDC Capacitance @ Frequency: 700pF @ 1kHz Operating Temperature: -40°C ~ 85°C (TA) Mounting Type: Chassis Mount Package / Case: Module	Package: Module	Stock7,902	820V	902V	8kA	215J	1	1	510VAC	670VDC	700pF @ 1kHz	-40°C ~ 85°C (TA)	Chassis Mount	Module
ERZ-C20EK781Y	Panasonic Electronic Components	VARISTOR 780V 8KA CHASSIS MNT Varistor Voltage (Min): 702V Varistor Voltage (Typ): 780V Varistor Voltage (Max): 858V Current - Surge: 8kA Energy: 200J Number of Circuits: 1 Number of Circuits: 1 Maximum AC Volts: 485VAC Maximum DC Volts: 640VDC Capacitance @ Frequency: 800pF @ 1kHz Operating Temperature: -40°C ~ 85°C (TA) Mounting Type: Chassis Mount Package / Case: Module	Package: Module	Stock5,670	780V	858V	8kA	200J	1	1	485VAC	640VDC	800pF @ 1kHz	-40°C ~ 85°C (TA)	Chassis Mount	Module
ERZ-C20EK751Y	Panasonic Electronic Components	VARISTOR 750V 8KA CHASSIS MNT Varistor Voltage (Min): 675V Varistor Voltage (Typ): 750V Varistor Voltage (Max): 825V Current - Surge: 8kA Energy: 190J Number of Circuits: 1 Number of Circuits: 1 Maximum AC Volts: 460VAC Maximum DC Volts: 615VDC Capacitance @ Frequency: 800pF @ 1kHz Operating Temperature: -40°C ~ 85°C (TA) Mounting Type: Chassis Mount Package / Case: Module	Package: Module	Stock3,006	750V	825V	8kA	190J	1	1	460VAC	615VDC	800pF @ 1kHz	-40°C ~ 85°C (TA)	Chassis Mount	Module
ERZ-C20EK681Y	Panasonic Electronic Components	VARISTOR 680V 8KA CHASSIS MNT Varistor Voltage (Min): 612V Varistor Voltage (Typ): 680V Varistor Voltage (Max): 748V Current - Surge: 8kA Energy: 175J Number of Circuits: 1 Number of Circuits: 1 Maximum AC Volts: 420VAC Maximum DC Volts: 560VDC Capacitance @ Frequency: 850pF @ 1kHz Operating Temperature: -40°C ~ 85°C (TA) Mounting Type: Chassis Mount Package / Case: Module	Package: Module	Stock2,592	680V	748V	8kA	175J	1	1	420VAC	560VDC	850pF @ 1kHz	-40°C ~ 85°C (TA)	Chassis Mount	Module
ERZ-C20EK621Y	Panasonic Electronic Components	VARISTOR 620V 8KA CHASSIS MNT Varistor Voltage (Min): 558V Varistor Voltage (Typ): 620V Varistor Voltage (Max): 682V Current - Surge: 8kA Energy: 160J Number of Circuits: 1 Number of Circuits: 1 Maximum AC Volts: 385VAC Maximum DC Volts: 505VDC Capacitance @ Frequency: 900pF @ 1kHz Operating Temperature: -40°C ~ 85°C (TA) Mounting Type: Chassis Mount Package / Case: Module	Package: Module	Stock4,896	620V	682V	8kA	160J	1	1	385VAC	505VDC	900pF @ 1kHz	-40°C ~ 85°C (TA)	Chassis Mount	Module
ERZ-C20EK511Y	Panasonic Electronic Components	VARISTOR 510V 8KA CHASSIS MNT Varistor Voltage (Min): 459V Varistor Voltage (Typ): 510V Varistor Voltage (Max): 561V Current - Surge: 8kA Energy: 150J Number of Circuits: 1 Number of Circuits: 1 Maximum AC Volts: 320VAC Maximum DC Volts: 415VDC Capacitance @ Frequency: 930pF @ 1kHz Operating Temperature: -40°C ~ 85°C (TA) Mounting Type: Chassis Mount Package / Case: Module	Package: Module	Stock3,024	510V	561V	8kA	150J	1	1	320VAC	415VDC	930pF @ 1kHz	-40°C ~ 85°C (TA)	Chassis Mount	Module
ERZ-C20EK471Y	Panasonic Electronic Components	VARISTOR 470V 8KA CHASSIS MNT Varistor Voltage (Min): 423V Varistor Voltage (Typ): 470V Varistor Voltage (Max): 517V Current - Surge: 8kA Energy: 150J Number of Circuits: 1 Number of Circuits: 1 Maximum AC Volts: 300VAC Maximum DC Volts: 385VDC Capacitance @ Frequency: 950pF @ 1kHz Operating Temperature: -40°C ~ 85°C (TA) Mounting Type: Chassis Mount Package / Case: Module	Package: Module	Stock7,434	470V	517V	8kA	150J	1	1	300VAC	385VDC	950pF @ 1kHz	-40°C ~ 85°C (TA)	Chassis Mount	Module
ERZ-C20EK431Y	Panasonic Electronic Components	VARISTOR 430V 8KA CHASSIS MNT Varistor Voltage (Min): 387V Varistor Voltage (Typ): 430V Varistor Voltage (Max): 473V Current - Surge: 8kA Energy: 140J Number of Circuits: 1 Number of Circuits: 1 Maximum AC Volts: 275VAC Maximum DC Volts: 350VDC Capacitance @ Frequency: 1000pF @ 1kHz Operating Temperature: -40°C ~ 85°C (TA) Mounting Type: Chassis Mount Package / Case: Module	Package: Module	Stock8,370	430V	473V	8kA	140J	1	1	275VAC	350VDC	1000pF @ 1kHz	-40°C ~ 85°C (TA)	Chassis Mount	Module
ERZ-C20EK391Y	Panasonic Electronic Components	VARISTOR 390V 8KA CHASSIS MNT Varistor Voltage (Min): 351V Varistor Voltage (Typ): 390V Varistor Voltage (Max): 429V Current - Surge: 8kA Energy: 130J Number of Circuits: 1 Number of Circuits: 1 Maximum AC Volts: 250VAC Maximum DC Volts: 320VDC Capacitance @ Frequency: 1200pF @ 1kHz Operating Temperature: -40°C ~ 85°C (TA) Mounting Type: Chassis Mount Package / Case: Module	Package: Module	Stock6,894	390V	429V	8kA	130J	1	1	250VAC	320VDC	1200pF @ 1kHz	-40°C ~ 85°C (TA)	Chassis Mount	Module
ERZ-C20EK361Y	Panasonic Electronic Components	VARISTOR 360V 8KA CHASSIS MNT Varistor Voltage (Min): 324V Varistor Voltage (Typ): 360V Varistor Voltage (Max): 396V Current - Surge: 8kA Energy: 120J Number of Circuits: 1 Number of Circuits: 1 Maximum AC Volts: 230VAC Maximum DC Volts: 300VDC Capacitance @ Frequency: 1300pF @ 1kHz Operating Temperature: -40°C ~ 85°C (TA) Mounting Type: Chassis Mount Package / Case: Module	Package: Module	Stock4,968	360V	396V	8kA	120J	1	1	230VAC	300VDC	1300pF @ 1kHz	-40°C ~ 85°C (TA)	Chassis Mount	Module
ERZ-C20EK271Y	Panasonic Electronic Components	VARISTOR 270V 8KA CHASSIS MNT Varistor Voltage (Min): 247V Varistor Voltage (Typ): 270V Varistor Voltage (Max): 303V Current - Surge: 8kA Energy: 100J Number of Circuits: 1 Number of Circuits: 1 Maximum AC Volts: 175VAC Maximum DC Volts: 225VDC Capacitance @ Frequency: 1400pF @ 1kHz Operating Temperature: -40°C ~ 85°C (TA) Mounting Type: Chassis Mount Package / Case: Module	Package: Module	Stock3,078	270V	303V	8kA	100J	1	1	175VAC	225VDC	1400pF @ 1kHz	-40°C ~ 85°C (TA)	Chassis Mount	Module
ERZ-C20EK241Y	Panasonic Electronic Components	VARISTOR 240V 8KA CHASSIS MNT Varistor Voltage (Min): 216V Varistor Voltage (Typ): 240V Varistor Voltage (Max): 264V Current - Surge: 8kA Energy: 95J Number of Circuits: 1 Number of Circuits: 1 Maximum AC Volts: 150VAC Maximum DC Volts: 200VDC Capacitance @ Frequency: 1500pF @ 1kHz Operating Temperature: -40°C ~ 85°C (TA) Mounting Type: Chassis Mount Package / Case: Module	Package: Module	Stock3,204	240V	264V	8kA	95J	1	1	150VAC	200VDC	1500pF @ 1kHz	-40°C ~ 85°C (TA)	Chassis Mount	Module
ERZ-VS34C751	Panasonic Electronic Components	VARISTOR 750V 40KA SQUARE 36MM Varistor Voltage (Min): 675V Varistor Voltage (Typ): 750V Varistor Voltage (Max): 825V Current - Surge: 40kA Energy: - Number of Circuits: 1 Number of Circuits: 1 Maximum AC Volts: 460VAC Maximum DC Volts: 615VDC Capacitance @ Frequency: - Operating Temperature: - Mounting Type: Screw Mount Package / Case: Square 36mm, Formed Tabs	Package: Square 36mm, Formed Tabs	Stock5,400	750V	825V	40kA	-	1	1	460VAC	615VDC	-	-	Screw Mount	Square 36mm, Formed Tabs
ERZ-VS34C951	Panasonic Electronic Components	VARISTOR 950V 40KA SQUARE 36MM Varistor Voltage (Min): 855V Varistor Voltage (Typ): 950V Varistor Voltage (Max): 1045V (1.045kV) Current - Surge: 40kA Energy: - Number of Circuits: 1 Number of Circuits: 1 Maximum AC Volts: 575VAC Maximum DC Volts: 765VDC Capacitance @ Frequency: - Operating Temperature: - Mounting Type: Screw Mount Package / Case: Square 36mm, Formed Tabs	Package: Square 36mm, Formed Tabs	Stock7,254	950V	1045V (1.045kV)	40kA	-	1	1	575VAC	765VDC	-	-	Screw Mount	Square 36mm, Formed Tabs
ERZ-VS34C471	Panasonic Electronic Components	VARISTOR 470V 40KA SQUARE 36MM Varistor Voltage (Min): 423V Varistor Voltage (Typ): 470V Varistor Voltage (Max): 517V Current - Surge: 40kA Energy: - Number of Circuits: 1 Number of Circuits: 1 Maximum AC Volts: 300VAC Maximum DC Volts: 385VDC Capacitance @ Frequency: - Operating Temperature: - Mounting Type: Screw Mount Package / Case: Square 36mm, Formed Tabs	Package: Square 36mm, Formed Tabs	Stock7,992	470V	517V	40kA	-	1	1	300VAC	385VDC	-	-	Screw Mount	Square 36mm, Formed Tabs
ERZ-VS34C621	Panasonic Electronic Components	VARISTOR 620V 40KA SQUARE 36MM Varistor Voltage (Min): 558V Varistor Voltage (Typ): 620V Varistor Voltage (Max): 682V Current - Surge: 40kA Energy: - Number of Circuits: 1 Number of Circuits: 1 Maximum AC Volts: 385VAC Maximum DC Volts: 505VDC Capacitance @ Frequency: - Operating Temperature: - Mounting Type: Screw Mount Package / Case: Square 36mm, Formed Tabs	Package: Square 36mm, Formed Tabs	Stock8,154	620V	682V	40kA	-	1	1	385VAC	505VDC	-	-	Screw Mount	Square 36mm, Formed Tabs
ERZ-C32EK911	Panasonic Electronic Components	VARISTOR 910V 25KA CHASSIS Varistor Voltage (Min): 819V Varistor Voltage (Typ): 910V Varistor Voltage (Max): 1001V (1.001kV) Current - Surge: 25kA Energy: 600J Number of Circuits: 1 Number of Circuits: 1 Maximum AC Volts: 550VAC Maximum DC Volts: 745VDC Capacitance @ Frequency: 1700pF @ 1kHz Operating Temperature: -40°C ~ 85°C (TA) Mounting Type: Chassis Mount Package / Case: Module	Package: Module	Stock6,444	910V	1001V (1.001kV)	25kA	600J	1	1	550VAC	745VDC	1700pF @ 1kHz	-40°C ~ 85°C (TA)	Chassis Mount	Module
ERZ-C40CK431B	Panasonic Electronic Components	VARISTOR 430V 30A DISC 40MM Varistor Voltage (Min): 387V Varistor Voltage (Typ): 430V Varistor Voltage (Max): 473V Current - Surge: 30A Energy: 500J Number of Circuits: 1 Number of Circuits: 1 Maximum AC Volts: 275VAC Maximum DC Volts: 350VDC Capacitance @ Frequency: - Operating Temperature: -40°C ~ 85°C (TA) Mounting Type: Chassis Mount Package / Case: Disc 40mm, Formed Tabs	Package: Disc 40mm, Formed Tabs	Stock7,560	430V	473V	30A	500J	1	1	275VAC	350VDC	-	-40°C ~ 85°C (TA)	Chassis Mount	Disc 40mm, Formed Tabs
ERZ-C32CK431W	Panasonic Electronic Components	VARISTOR 430V 25A DISC 32MM Varistor Voltage (Min): 387V Varistor Voltage (Typ): 430V Varistor Voltage (Max): 473V Current - Surge: 25A Energy: 400J Number of Circuits: 1 Number of Circuits: 1 Maximum AC Volts: 275VAC Maximum DC Volts: 350VDC Capacitance @ Frequency: 2500pF @ 1kHz Operating Temperature: -40°C ~ 85°C (TA) Mounting Type: Chassis Mount Package / Case: Disc 32mm, Formed Tabs	Package: Disc 32mm, Formed Tabs	Stock7,992	430V	473V	25A	400J	1	1	275VAC	350VDC	2500pF @ 1kHz	-40°C ~ 85°C (TA)	Chassis Mount	Disc 32mm, Formed Tabs
ERZ-C32CK391W	Panasonic Electronic Components	VARISTOR 390V 25A DISC 32MM Varistor Voltage (Min): 351V Varistor Voltage (Typ): 390V Varistor Voltage (Max): 429V Current - Surge: 25A Energy: 350J Number of Circuits: 1 Number of Circuits: 1 Maximum AC Volts: 250VAC Maximum DC Volts: 320VDC Capacitance @ Frequency: 3000pF @ 1kHz Operating Temperature: -40°C ~ 85°C (TA) Mounting Type: Chassis Mount Package / Case: Disc 32mm, Formed Tabs	Package: Disc 32mm, Formed Tabs	Stock6,768	390V	429V	25A	350J	1	1	250VAC	320VDC	3000pF @ 1kHz	-40°C ~ 85°C (TA)	Chassis Mount	Disc 32mm, Formed Tabs
ERZ-C32CK201W	Panasonic Electronic Components	VARISTOR 200V 25A DISC 32MM Varistor Voltage (Min): 185V Varistor Voltage (Typ): 200V Varistor Voltage (Max): 225V Current - Surge: 25A Energy: 210J Number of Circuits: 1 Number of Circuits: 1 Maximum AC Volts: 130VAC Maximum DC Volts: 170VDC Capacitance @ Frequency: 5500pF @ 1kHz Operating Temperature: -40°C ~ 85°C (TA) Mounting Type: Chassis Mount Package / Case: Disc 32mm, Formed Tabs	Package: Disc 32mm, Formed Tabs	Stock5,670	200V	225V	25A	210J	1	1	130VAC	170VDC	5500pF @ 1kHz	-40°C ~ 85°C (TA)	Chassis Mount	Disc 32mm, Formed Tabs
ERZ-V20D391	Panasonic Electronic Components	VARISTOR 390V 10KA DISC 20MM Varistor Voltage (Min): 351V Varistor Voltage (Typ): 390V Varistor Voltage (Max): 429V Current - Surge: 10kA Energy: 275J Number of Circuits: 1 Number of Circuits: 1 Maximum AC Volts: 250VAC Maximum DC Volts: 320VDC Capacitance @ Frequency: 1100pF @ 1kHz Operating Temperature: -40°C ~ 85°C (TA) Mounting Type: Through Hole Package / Case: Disc 20mm	Package: Disc 20mm	Stock7,236	390V	429V	10kA	275J	1	1	250VAC	320VDC	1100pF @ 1kHz	-40°C ~ 85°C (TA)	Through Hole	Disc 20mm
ERZ-V20D221	Panasonic Electronic Components	VARISTOR 220V 10KA DISC 20MM Varistor Voltage (Min): 198V Varistor Voltage (Typ): 220V Varistor Voltage (Max): 242V Current - Surge: 10kA Energy: 155J Number of Circuits: 1 Number of Circuits: 1 Maximum AC Volts: 140VAC Maximum DC Volts: 180VDC Capacitance @ Frequency: 1600pF @ 1kHz Operating Temperature: -40°C ~ 85°C (TA) Mounting Type: Through Hole Package / Case: Disc 20mm	Package: Disc 20mm	Stock6,462	220V	242V	10kA	155J	1	1	140VAC	180VDC	1600pF @ 1kHz	-40°C ~ 85°C (TA)	Through Hole	Disc 20mm
ERZ-E14A821	Panasonic Electronic Components	VARISTOR 820V 7.5KA DISC 17.5MM Varistor Voltage (Min): 738V Varistor Voltage (Typ): 820V Varistor Voltage (Max): 902V Current - Surge: 7.5kA Energy: 460J Number of Circuits: 1 Number of Circuits: 1 Maximum AC Volts: 510VAC Maximum DC Volts: 670VDC Capacitance @ Frequency: 500pF @ 1kHz Operating Temperature: -40°C ~ 85°C (TA) Mounting Type: Through Hole Package / Case: Disc 17.5mm	Package: Disc 17.5mm	Stock3,508	820V	902V	7.5kA	460J	1	1	510VAC	670VDC	500pF @ 1kHz	-40°C ~ 85°C (TA)	Through Hole	Disc 17.5mm
ERZ-E14A561	Panasonic Electronic Components	VARISTOR 560V 10KA DISC 16.5MM Varistor Voltage (Min): 504V Varistor Voltage (Typ): 560V Varistor Voltage (Max): 616V Current - Surge: 10kA Energy: 382J Number of Circuits: 1 Number of Circuits: 1 Maximum AC Volts: 350VAC Maximum DC Volts: 450VDC Capacitance @ Frequency: 700pF @ 1kHz Operating Temperature: -40°C ~ 85°C (TA) Mounting Type: Through Hole Package / Case: Disc 16.5mm	Package: Disc 16.5mm	Stock4,968	560V	616V	10kA	382J	1	1	350VAC	450VDC	700pF @ 1kHz	-40°C ~ 85°C (TA)	Through Hole	Disc 16.5mm