Product Summary

The BD438 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

BD438 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

BD438 features: (1)sgs-thomson preferred salestypes; (2)complementary PNP - NPN devices.

Diagrams

Image Part No Mfg Description Data Sheet Download Pricing
(USD)		 Quantity
BD438
BD438
STMicroelectronics
Transistors Bipolar (BJT) PNP Medium Power
Data Sheet
0-2800: $0.14
2800-5000: $0.13
5000-10000: $0.12
BD438G
BD438G
ON Semiconductor
Transistors Bipolar (BJT) 4A 45V 36W PNP
Data Sheet
0-1: $0.34
1-25: $0.31
25-100: $0.25
100-500: $0.20
BD438S
BD438S
Fairchild Semiconductor
Transistors Bipolar (BJT) PNP Epitaxial Sil
Data Sheet
0-1: $0.27
1-25: $0.24
25-100: $0.21
100-250: $0.14
BD438STU
BD438STU
Fairchild Semiconductor
Transistors Bipolar (BJT) PNP Epitaxial Sil
Data Sheet
0-1: $0.27
1-25: $0.24
25-100: $0.21
100-250: $0.14