Specification	BD681STU

Current - Collector (Ic) (Max) [Max]	4 A
Current - Collector Cutoff (Max) [Max]	500 çA
DC Current Gain (hFE) (Min) @ Ic, Vce [Min]	750
Mounting Type	Through Hole
Operating Temperature	150 °C
Package / Case	TO-225AA, TO-126-3
Power - Max [Max]	40 W
Supplier Device Package	TO-126-3
Vce Saturation (Max) @ Ib, Ic	2.5 V
Voltage - Collector Emitter Breakdown (Max) [Max]	100 V

BD681(LEGACY%20FAIRCHILD) Series

Medium Power NPN Darlington Bipolar Power Transistor

Part	Supplier Device Package	Mounting Type	Package / Case	Voltage - Collector Emitter Breakdown (Max) [Max]	Current - Collector Cutoff (Max) [Max]	Vce Saturation (Max) @ Ib, Ic	Power - Max [Max]	Operating Temperature	DC Current Gain (hFE) (Min) @ Ic, Vce [Min]	Current - Collector (Ic) (Max) [Max]	Operating Temperature [Min]	Operating Temperature [Max]
ON Semiconductor BD681STU	TO-126-3	Through Hole	TO-126-3 TO-225AA	100 V	500 çA	2.5 V	40 W	150 °C	750	4 A
ON Semiconductor BD681G	TO-126	Through Hole	TO-126-3 TO-225AA	100 V	500 çA	2.5 V	40 W		750	4 A	-55 °C	150 °C

Pricing

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

Distributor	Package	Quantity	$

Description

General part information

BD681(LEGACY%20FAIRCHILD) Series

The Medium Power NPN Darlington Bipolar Power Transistor is for use as output devices in complementary general-purpose amplifier applications.Replacement Active Part Number:BD681