Transistor - 2N169, Germanium, Oval case, NPN

Transistor - 2N169, Germanium, Oval case, NPN

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2N169 NPN germanium transistors in an oval package. The oval package is sometimes referred to as a top hat package. The 2N169 is a popular NPN for fuzz pedals and other effects. The NPN polarity allows for use with standard pedal power supplies.

Pinout (bottom view):

Pinout (bottom view)
Item ID:
Matched Pair:
Collector Current2 mA
Collector Cutoff Current (VCB=5V)0.5 µA
Collector Cutoff Current (VCB=15V)5 µA
Collector Supply Voltage5 V
Collector to Base Capacitance2.4 pF
Input Impedance700 ohms
Max. Collector Current-20 mA
Max. Collector Power Dissipation at 25°C65 mW
Max. Collector to Base Voltage15 V
Max. Collector to Emitter Voltage15 V
Max. Operating and Storage Temperature-55 to 85°C
Min. Power Gain in Typical IF Circuit27 dB
Min. hFE (IE=1ma, VCE=5V)34
Output Impedance7K ohms
Power Gain Range of Variation in Typical IF Circuit2.5 dB
hFE(IE=1ma, VCE=5V)72
Packaging Information
Packaging Dimensions1.847 in. × 0.52 in. × 0.364 in.
Weight (Packaging)0.0044 lbs.

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Specifications, Files, and Documents

PNG: Pinout (bottom view) Pinout (bottom view)7.07 KB
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Product Reviews

5.00 out of 5 based on 1 reviews
Alex g. - November 12th, 2023
5 out of 5

This is the original case design that transistors used in the 50s before the TO-1 case was introduced by the Japanese (more specifically Toshiba). These are a common sight in US made transistor radios like the Regency TR-1. The only difference is that this is an npn transistor instead of the pnp type which most transistor radios use exclusively.