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Updated at 25/10/2025 10:30:15(UTC+8)

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Description

The BD437G is a NPN medium-power Silicon Transistor can be used for amplifier and switching applications.
Complementary is BD438

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BD437G Specifications

Attribute	Attribute Value

Datasheet	Datasheet
3D Model	3D Model
Mounting Style	Through Hole
Number of Pins	3 Pin
Case/Package	TO-126-3
Frequency	3 MHz
Voltage Rating (DC)	45.0 V
Current Rating	4.00 A
Number of Positions	3 Position
Polarity	NPN
Power Dissipation	36 W
Breakdown Voltage (Collector to Emitter)	45 V
Continuous Collector Current	4A
hFE Min	85 @500mA, 1V
Input Power (Max)	36 W
DC Current Gain (hFE)	85
Operating Temperature (Max)	150 ℃
Operating Temperature (Min)	-55 ℃
Power Dissipation (Max)	36000 mW
	Show
Material	Silicon
Operating Temperature	-55℃ ~ 150℃
Product Lifecycle Status	Active
Packaging	Bulk
RoHS	RoHS Compliant
Lead-Free Status	Lead Free
REACH SVHC Compliance	No SVHC
REACH SVHC Compliance Edition	2015/12/17
ECCN Code	EAR99

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