BD681G Transistor Datasheet & Specifications

NPN BJT | onsemi

NPNTO-225-3General Purpose
VCEO
100V
Ic Max
4A
Pd Max
40W
Gain
750

Quick Reference

The BD681G is a NPN bipolar transistor in a TO-225-3 package. This datasheet provides complete specifications including 100V breakdown voltage and 4A continuous collector current. Download the BD681G datasheet PDF below for detailed pinout diagrams and application circuits.

Technical Specifications

ParameterValueDescription
ManufactureronsemiOriginal Manufacturer
PackageTO-225-3Physical mounting
VCEO100VBreakdown voltage
IC Max4ACollector current
Pd Max40WPower dissipation
Gain750DC current gain
Frequency-Transition speed
VCEsat2.5VSaturation voltage
Vebo-Emitter-Base voltage
Temp-55โ„ƒ~+150โ„ƒ@(Tj)Operating temp

Direct Replacements & Alternatives

PartTypePackageVCEOIcPd
BD139GNPNTO-225-380V1.5A12.5W
MJE243GNPNTO-225-3100V4A15W
MJE182GNPNTO-225-3100V3A12.5W