Specification	VHFD37-08IO1

Current - Gate Trigger (Igt) (Max)	65 mA
Current - Hold (Ih) (Max)	100 mA
Current - Non Rep. Surge (Itsm)	320 A, 350 A
Current - Non Rep. Surge Frequencies	60Hz, 50Hz
Current - Non Rep. Surge Type	Itsm
Current - On State (Max)	36 A
Mounting Type	Chassis Mount
Number of Diodes	4 count
Number of SCRs	2 count
Operating Temperature (Max)	125 °C
Operating Temperature (Min)	-40 °C
Package / Case	V1A-PAK
Structure	Single Phase - SCRs/Diodes (Layout 1), Diodes (Layout 1), Single Phase - SCRs, Bridge
Voltage - Gate Trigger (Vgt) (Max)	1 V
Voltage - Off State	800 V

VHFD37 Series

Bipolar Module-Thyristor/Diode V1A/B pk

Part	Package / Case	Current - Hold (Ih) (Max)	Operating Temperature (Max)	Operating Temperature (Min)	Current - Gate Trigger (Igt) (Max)	Number of SCRs	Number of Diodes	Mounting Type	Structure	Current - Non Rep. Surge Frequencies	Current - Non Rep. Surge Type	Current - Non Rep. Surge (Itsm)	Current - On State (Max)	Voltage - Gate Trigger (Vgt) (Max)	Voltage - Off State
LITTELFUSE VHFD37-08IO1	V1A-PAK	100 mA	125 °C	-40 °C	65 mA	2 count	4 count	Chassis Mount	Bridge Diodes (Layout 1) Single Phase - SCRs Single Phase - SCRs/Diodes (Layout 1)	50Hz 60Hz	Itsm	320 A 350 A	36 A	1 V	800 V
LITTELFUSE VHFD37-12IO1	V1A-PAK	100 mA	125 °C	-40 °C	65 mA	2 count	4 count	Chassis Mount	Bridge Diodes (Layout 1) Single Phase - SCRs Single Phase - SCRs/Diodes (Layout 1)	50Hz 60Hz	Itsm	320 A 350 A	36 A	1 V	1200 kV
LITTELFUSE VHFD37-16IO1	V1A-PAK	100 mA	125 °C	-40 °C	65 mA	2 count	4 count	Chassis Mount	Bridge Diodes (Layout 1) Single Phase - SCRs Single Phase - SCRs/Diodes (Layout 1)	50Hz 60Hz	Itsm	320 A 350 A	36 A	1 V	1.6 kV

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