Fairchild Semiconductor-BD681S - Transistors - Bipolar (BJT) - Single Product Specifications and Latest Quotes

Part Number	BD681S	BD682S	BD681	BD681G
Manufacturer	Fairchild Semiconductor	onsemi	STMicroelectronics	onsemi
Product Status	Active	Obsolete	Active	Active
Transistor Type	NPN - Darlington	PNP - Darlington	NPN - Darlington	NPN - Darlington
Current - Collector (Ic) (Max)	4 A	4 A	4 A	4 A
Voltage - Collector Emitter Breakdown (Max)	100 V	100 V	100 V	100 V
Vce Saturation (Max) @ Ib, Ic	2.5V @ 30mA, 1.5A	2.5V @ 30mA, 1.5A	2.5V @ 30mA, 1.5A	2.5V @ 30mA, 1.5A
Current - Collector Cutoff (Max)	500µA	500µA	500µA	500µA
DC Current Gain (hFE) (Min) @ Ic, Vce	750 @ 1.5A, 3V	750 @ 1.5A, 3V	750 @ 1.5A, 3V	750 @ 1.5A, 3V
Power - Max	40 W	14 W	40 W	40 W
Frequency - Transition	-	-	-	-
Operating Temperature	150°C (TJ)	150°C (TJ)	150°C (TJ)	-55°C ~ 150°C (TJ)
Mounting Type	Through Hole	Through Hole	Through Hole	Through Hole
Package / Case	TO-225AA, TO-126-3	TO-225AA, TO-126-3	TO-225AA, TO-126-3	TO-225AA, TO-126-3
Supplier Device Package	TO-126-3	TO-126-3	SOT-32-3	TO-126

Transistor Type:	NPN - Darlington
Current - Collector (Ic) (Max):	4 A
Voltage - Collector Emitter Breakdown (Max):	100 V
Vce Saturation (Max) @ Ib, Ic:	2.5V @ 30mA, 1.5A
Current - Collector Cutoff (Max):	500µA
DC Current Gain (hFE) (Min) @ Ic, Vce:	750 @ 1.5A, 3V
Power - Max:	40 W
Frequency - Transition:	-
Operating Temperature:	150°C (TJ)
Mounting Type:	Through Hole
Package / Case:	TO-225AA, TO-126-3
Supplier Device Package:	TO-126-3

Fairchild Semiconductor BD681S