Vintage Texas Instruments N-272 NPN Germanium Transistor TO-39 Metal Can Bench Tested
$14.99
Vintage Texas Instruments N-272 NPN Germanium Transistor in TO-39 metal can package. This obsolete semiconductor has been bench tested and verified functional. Features strong measured gain and classic germanium transistor characteristics including low base-emitter voltage and extremely low saturation voltage.
Suitable for vintage electronics restoration, transistor radio repair, early solid-state audio equipment, communications receivers, test equipment, industrial electronics, and other applications requiring germanium semiconductor devices.
This is a genuine vintage Texas Instruments component and is no longer in production.
Origin Tracker
Donor Pull
Recovered from donor equipment for reuse in radio repair, restoration, or parts recovery work.
Pipeline quantities are informational and may change after arrival, inspection, sorting, testing, or donor teardown.
Compatible Radios / Boards
Vintage transistor radios, vintage audio equipment, early solid-state receivers, communications receivers, CB radio repair, ham radio repair, test equipment repair, industrial control electronics, 1960s–1970s electronics restoration, germanium transistor replacement projects.
Buyer must verify circuit compatibility, pinout, gain, leakage, and voltage/current requirements before installation.
RF Boneyard Bench Notes
Manufacturer: Texas Instruments (TI)
Part Marking: N-272
Secondary Marking: 137
Package: TO-39 Metal Can
Device Type: Bipolar Junction Transistor (BJT)
Polarity: NPN
Technology: Germanium
HFE (DC Gain): 143
IC Test Current: 5.00mA
IB Test Current: 1.00mA
VBE: 0.249V @ IB 1.00mA
VBE: 0.403V @ IB 5.00mA
VCESAT: 0.0027V
Test Conditions: IC 5.00mA / IB 1.00mA
IC Leakage: 0.061mA (61µA)
Bench Result: PASS
Leakage Assessment: Normal for Vintage Germanium
Gain Assessment: Strong
Switching Assessment: Excellent
Overall Condition: Tested Good
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