Specification	MCD44-18IO8B

Current - Gate Trigger (Igt) (Max) [Max]	100 mA
Current - Hold (Ih) (Max) [Max]	200 mA
Current - Non Rep. Surge 50, 60Hz (Itsm) [Max]	1230 A
Current - Non Rep. Surge 50, 60Hz (Itsm) [Min]	1150 A
Current - On State (It (AV)) (Max) [Max]	51 A
Current - On State (It (RMS)) (Max)	80 A
Mounting Type	Chassis Mount
Number of SCRs, Diodes	1 Diode
Operating Temperature [Max]	125 °C
Operating Temperature [Min]	-40 C
Package / Case	TO-240AA
Structure	Series Connection - SCR/Diode
Voltage - Gate Trigger (Vgt) (Max)	1.5 V
Voltage - Off State	1.8 kV

MCD44 Series

Bipolar Module-Thyristor/Diode TO-240AA

Part	Current - On State (It (AV)) (Max) [Max]	Current - Non Rep. Surge 50, 60Hz (Itsm) [Min]	Current - Non Rep. Surge 50, 60Hz (Itsm) [Max]	Current - Gate Trigger (Igt) (Max) [Max]	Current - On State (It (RMS)) (Max)	Operating Temperature [Min]	Operating Temperature [Max]	Current - Hold (Ih) (Max) [Max]	Mounting Type	Package / Case	Voltage - Gate Trigger (Vgt) (Max)	Voltage - Off State	Number of SCRs, Diodes	Structure
LITTELFUSE MCD44-12IO8B	51 A	1150 A	1230 A	100 mA	80 A	-40 C	125 °C	200 mA	Chassis Mount	TO-240AA	1.5 V	1.2 kV	1 Diode	Series Connection - SCR/Diode
LITTELFUSE MCD44-14IO8B	51 A	1150 A	1230 A	100 mA	80 A	-40 C	125 °C	200 mA	Chassis Mount	TO-240AA	1.5 V	1.4 kV	1 Diode	Series Connection - SCR/Diode
LITTELFUSE MCD44-16IO1B	51 A	1150 A	1230 A	100 mA	80 A	-40 C	125 °C	200 mA	Chassis Mount	TO-240AA	1.5 V	1.6 kV	1 Diode	Series Connection - SCR/Diode
LITTELFUSE MCD44-18IO1B	51 A	1150 A	1230 A	100 mA	80 A	-40 C	125 °C	200 mA	Chassis Mount	TO-240AA	1.5 V	1.8 kV	1 Diode	Series Connection - SCR/Diode
LITTELFUSE MCD44-08IO8B	51 A	1150 A	1230 A	100 mA	80 A	-40 C	125 °C	200 mA	Chassis Mount	TO-240AA	1.5 V	800 V	1 Diode	Series Connection - SCR/Diode
LITTELFUSE MCD44-18IO8B	51 A	1150 A	1230 A	100 mA	80 A	-40 C	125 °C	200 mA	Chassis Mount	TO-240AA	1.5 V	1.8 kV	1 Diode	Series Connection - SCR/Diode

Pricing

Prices provided here are for design reference only. For realtime values and availability, please visit the distributors directly

Distributor	Package	Quantity	$	Updated

Digikey	Box	36	$ 25.74	1m+
	N/A	0	$ 19.91	1m+
Newark	Each	25	$ 24.05	1m+
		50	$ 21.98
		100	$ 21.50
		250	$ 20.87

General part information

The Thyristor-Diode Modules Portfolio offers various packages and breakdown voltages up to 2200V.