BD437

Bipolar (BJT) Single Transistor, NPN, 45 V, 4 A, 36 W, TO-126, Through Hole

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Manufacturer: STMICROELECTRONICS
Product type: Single Bipolar Junction Transistors - BJT
Transistor Polarity:NPN; Collector Emitter Voltage V(br)ceo:45V; Transition Frequency ft:3MHz; Power Dissipation Pd:36W; DC Collector Current:4A; DC Current Gain hFE:140hFE; Transistor Case Style
MSL: -
SVHC: No SVHC (25-Jun-2025)
No. of Pins: 3Pins
Product Range: -
Qualification: -
Power Dissipation: 36W
Transistor Mounting: Through Hole
Transistor Polarity: NPN
Transition Frequency: 3MHz
Transistor Case Style: TO-126
DC Current Gain hFE Min: 140hFE
Operating Temperature Max: 150°C
Continuous Collector Current: 4A
Collector Emitter Voltage Max: 45V

Delivery and price
Units per pack	5000
Price	0.233 €
Current stock	1000+
Lead time	7 days

Datasheet

Updated at March 18, 2026