Product Summary

The ZTX851 is an NPN silicon planar medium power high current transistor. It is used for Emergency lighting circuits.

Parametrics

ZTX851 absolute maximum ratings: (1)Collector-Base Voltage: 150V; (2)Collector-Emitter Voltage: 60 V; (3)Emitter-Base Voltage: 6 V; (4)Peak Pulse Current: 20A; (5)Continuous Collector Current: 5A; (6)Practical Power Dissipation: 1.58 W; (7)Power Dissipation at Tamb=25°C Ptot: 1.2 W; (8)Operating and Storage Temperature Range: -55 to +200 °C.

Features

ZTX851 features: (1)60 Volt VCEO; (2)5 Amps continuous current; (3)Up to 20 Amps peak current; (4)Very low saturation voltage; (5)Ptot=1.2 Watts.

Diagrams

ZTX851 package dimensions

Image Part No Mfg Description Data Sheet Download Pricing
(USD)		 Quantity
ZTX851
ZTX851
Diodes Inc.
Transistors Bipolar (BJT) NPN Big Chip SELine
Data Sheet
0-1: $0.58
1-25: $0.48
25-100: $0.46
100-250: $0.40
ZTX851STOA
ZTX851STOA
Diodes Inc. / Zetex
Transistors Bipolar (BJT) NPN Big Chip SELine
Data Sheet
Negotiable 
ZTX851STOB
ZTX851STOB
Diodes Inc. / Zetex
Transistors Bipolar (BJT) NPN Big Chip SELine
Data Sheet
0-2400: $0.29
2400-4000: $0.25
4000-8000: $0.23
ZTX851STZ
ZTX851STZ
Diodes Inc.
Transistors Bipolar (BJT) NPN Big Chip SELine
Data Sheet
0-920: $0.41
920-1000: $0.35
1000-2000: $0.32
2000-5000: $0.27