NTE172A NTE-172A | ECG172A ECG-172A | NTE Electronics
NTE172A
Silicon NPN Transistor
Darlington Preamp, Medium Speed Switch
Description:
The NTE172A is a silicon NPN Darlington transistor in a TO92 type case designed for preamplifier
input stages requiring input impedances of several megohms or extremely low level, high gain, low
noise amplifier applications.
Info as pdf-file
NTE-ECG replacement list as pdf-file
NTE-ECG diagrams
Absolute Maximum Ratings: (TA = +25°C unless otherwise specified)
Collector-Base Voltage, VCBO . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40V
Collector-Emitter Voltage, VCEO . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40V
Emitter-Base Voltage, VEBO . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12V
Collector Current, IC
Continuous . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 300mA
Pulsed (Note 1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 500mA
Base Current, IB . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50mA
Total Power Dissipation (TA = +25°C), PD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 400mW
Derate Above 25°C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4mW/°C
Operating Junction Temperature Range, TJ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -65° to +125°C
Storage Temperature Range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -65° to +150°C
Lead Temperature (During Soldering, 1/16” ±1/32” from case for 10sec max.), TL . . . . . . . . +260°C
Note 1. Pulse Test: Pulse Width ≤ 300μs, Duty Cycle ≤ 2%
NTE Electronic Components (our whole assortment)
Semiconductors (our whole assortment)
Pictures are a guide only actual product may vary. Subject to alterations and errors. Help us to eliminate errors:
Please report any errors here.
Are you searching for replacements of semiconductors?
The following link brings you to the search window of NTE Electronics (a world wide supplier of high quality electronic components). This QUICKCross software can assist users in selecting the proper NTE replacement device.
QUICKCross Search Engine for NTE Replacement Semiconductors
Note about NTE replacement devices (formerly ECG Philips and Sylvania):
NTE has one of the most extensive semiconductor lines in the industry. All NTE semiconductors are guaranteed to meet or exceed original specifications.