FAIRCHILD TN6725A NPN Darlington Transistor User's Manual
Summary
This high-performance NPN Darlington Transistor is engineered specifically for power electronic applications requiring exceptional current gain up to 1A. This comprehensive datasheet provides electrical engineers and circuit designers with critical technical specifications, including absolute maximum ratings, detailed thermal characteristics, and small signal parameters. Use this manual to ensure optimal design implementation and reliable performance in complex high-current circuits.
Page 1 Text Content
Discrete Power & Signal Technologies
TN6725A
C B E TO-226
NPN Darlington Transistor This device is designed for applications requiring extremely high current gain at collector currents to 1A. Sourced from Process 05. See MPSA14 for characteristics.
Absolute Maximum Ratings* TA = 25°C unless otherwise noted
Units Value Parameter Symbol V50Collector-Emitter Voltage VCES
V60Collector-Base Voltage VCBO
V12Emitter-Base Voltage VEBO
A1.2Collector Current - Continuous IC
°C-55 to +150Operating and Storage Junction Temperature Range TJ, Tstg
*These ratings are limiting values above which the serviceability of any semiconductor device may be impaired.
NOTES: 1) These ratings are based on a maximum junction temperature of 150°C. 2) These are steady state limits. The factory should be consulted on applications involving pulsed or low duty cycle operations. Thermal Characteristics TA = 25°C unless otherwise noted
Characteristic Symbol Units
TN6725A
Total Device Dissipation
Derate above 25°C m W/°C
°C/W50Thermal Resistance, Junction to Case RθJC
°C/W125Thermal Resistance, Junction to Ambient RθJA
1997 Fairchild Semiconductor Corporation
TN6725A, Rev A
Page Summary Contents For FAIRCHILD TN6725A NPN Darlington Transistor User's Manual
Manual Details
| Brand | Fairchild |
|---|---|
| Pages | 3 |
| File Size | 35.19 KB |
| Published | July 12, 2026 |
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Frequently Asked Questions
What is the maximum junction temperature range for this device?
The operating junction temperature range is guaranteed from -55°C to +150°C.
How should I calculate power derating above 25°C?
Total Device Dissipation of 1W must be derated at a rate of 8mW/°C above the standard 25°C junction temperature.
What type of applications is this transistor specialized for?
It is designed for applications that require extremely high current gain specifically at collector currents up to 1A.
Can I use this product in critical life support systems?
The device requires the express written approval of Fairchild Semiconductor Corporation for use as a critical component in life-support devices or systems.