Specification	77204C

ET (Volt-Time)	240 VµS
Height - Seated (Max) [Max]	12.3 mm
Height - Seated (Max) [Max]	0.484 in
Inductance	4 mH
Mounting Type	Through Hole
Operating Temperature [Max]	70 °C
Operating Temperature [Min]	0 °C
Size / Dimension [x]	25.4 mm
Size / Dimension [x]	1 in
Size / Dimension [y]	20.3 mm
Size / Dimension [y]	0.799 "
Transformer Type	SCR and Triac Trigger (Encapsulated)
Turns Ratio - Primary:Secondary	1:1

772 Series

Part	ET (Volt-Time)	Inductance	Transformer Type	Mounting Type	Operating Temperature [Max]	Height - Seated (Max) [Max]	Height - Seated (Max) [Max]	Size / Dimension [y]	Size / Dimension [x]	Size / Dimension [x]	Size / Dimension [y]	Turns Ratio - Primary:Secondary [custom]	Turns Ratio - Primary:Secondary [custom]	Turns Ratio - Primary:Secondary [custom]	Turns Ratio - Primary:Secondary [custom]	Turns Ratio - Primary:Secondary
Murata Electronics 77202C	120 VµS	1 mH	SCR and Triac Trigger (Encapsulated)	Through Hole	70 °C	12.3 mm	0.484 in	20.3 mm	25.4 mm	1 in	0.799 "	1	1	1
Murata Electronics 77208C	482 VµS	16.3 mH	SCR and Triac Trigger (Encapsulated)	Through Hole	70 °C	12.3 mm	0.484 in	20.3 mm	25.4 mm	1 in	0.799 "	1	1	1
Murata Electronics 77206C	240 VµS	4 mH	SCR and Triac Trigger (Encapsulated)	Through Hole	70 °C	12.3 mm	0.484 in	20.3 mm	25.4 mm	1 in	0.799 "	2	1		1
Murata Electronics 77207C	482 VµS	16.3 mH	SCR and Triac Trigger (Encapsulated)	Through Hole	70 °C	12.3 mm	0.484 in	20.3 mm	25.4 mm	1 in	0.799 "					1:1
Murata Electronics 77205C	240 VµS	4 mH	SCR and Triac Trigger (Encapsulated)	Through Hole	70 °C	12.3 mm	0.484 in	20.3 mm	25.4 mm	1 in	0.799 "	1	1	1
Murata Electronics 77209C	482 VµS	16.3 mH	SCR and Triac Trigger (Encapsulated)	Through Hole	70 °C	12.3 mm	0.484 in	20.3 mm	25.4 mm	1 in	0.799 "	2	1		1
Murata Electronics 77201C	120 VµS	1 mH	SCR and Triac Trigger (Encapsulated)	Through Hole	70 °C	12.3 mm	0.484 in	20.3 mm	25.4 mm	1 in	0.799 "					1:1
Murata Electronics 77204C	240 VµS	4 mH	SCR and Triac Trigger (Encapsulated)	Through Hole	70 °C	12.3 mm	0.484 in	20.3 mm	25.4 mm	1 in	0.799 "					1:1
Murata Electronics 77203HVC	120 VµS	1 mH	SCR and Triac Trigger (Encapsulated)	Through Hole	70 °C	12.3 mm	0.484 in	20.3 mm	25.4 mm	1 in	0.799 "	2	1		1

Pricing

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

Distributor	Package	Quantity	$

Digikey	N/A	25	$ 6.95
	Tube	1	$ 6.95
		25	$ 6.73
		50	$ 5.87
		100	$ 5.63
		250	$ 5.49
		500	$ 5.31
		1000	$ 5.14
Newark	Each	25	$ 7.43
		50	$ 6.53
		100	$ 6.28

Description

General part information

772 Series

The 77204C is a PCB-mount Pulse Transformer intended for medium power applications in switch mode power supplies and thyristor/triac firing. The standard turns ratios may be modified on any transformer with three windings by connecting any two windings in series.

Documents

Technical documentation and resources

Product Change Notice EN

Datasheet

Technical Data Sheet EN

Datasheet