Product Summary

The BD437 is a silicon epitaxial-base NPN power transistor in Jedec SOT-32 plastic package. The device is intented for use in medium power linear and switching applications.

Parametrics

BD437 absolute maximum ratings: (1)VCBO, Collector-Base Voltage (IE = 0): 45 V; (2)VCES, Collector-Emitter Voltage (VBE = 0): 45 V; (3)VCEO, Collector-Emitter Voltage (IB = 0): 45 V; (4)VEBO, Emitter-Base Voltage (IC = 0): 5 V; (5)IC, Collector Current: 4 A; (6)ICM, Collector Peak Current (t≤ 10 ms): 7 A; (7)IB, Base Current 1 A; (8)Ptot, Total Dissipation at Tc≤ 25℃: 36 W; (9)Tstg, Storage Temperature: -65 to 150℃; (10)Tj, Max. Operating Junction Temperature: 150℃.

Features

BD437 features: (1)sgs-thomson preferred salestypes; (2)complementary PNP - NPN devices.

Diagrams

Image Part No Mfg Description Data Sheet Download Pricing
(USD)		 Quantity
BD437
BD437
STMicroelectronics
Transistors Bipolar (BJT) NPN Medium Power
Data Sheet
0-1: $0.24
1-10: $0.22
10-100: $0.19
100-250: $0.18
BD437G
BD437G
ON Semiconductor
Transistors Bipolar (BJT) 4A 45V 36W NPN
Data Sheet
0-1: $0.34
1-25: $0.31
25-100: $0.25
100-500: $0.20
BD437S
BD437S
Fairchild Semiconductor
Transistors Bipolar (BJT) NPN Epitaxial Sil
Data Sheet
0-1: $0.26
1-25: $0.23
25-100: $0.21
100-250: $0.14
BD437T
BD437T
ON Semiconductor
Transistors Bipolar (BJT) 4A 45V 36W NPN
Data Sheet
Negotiable 
BD437TG
BD437TG
ON Semiconductor
Transistors Bipolar (BJT) 4A 45V 36W NPN
Data Sheet
0-1: $0.38
1-25: $0.29
25-100: $0.26
100-500: $0.19