RCA 040934 Vintage TO-3 NPN Silicon Power Transistor Tested PASS USA
$19.99
Vintage RCA 040934 NPN silicon power transistor in the classic TO-3 metal can package. This USA-manufactured device has been bench tested and verified functional with strong gain, excellent saturation characteristics, and no measurable leakage. Suitable for vintage electronics restoration, industrial equipment repair, power supplies, communications equipment, audio projects, and semiconductor collectors. A quality American-made transistor from the golden age of semiconductor manufacturing.
HISTORICAL NOTE:
RCA was one of the most important American semiconductor manufacturers during the 1960s through 1980s. TO-3 metal can power transistors like the 040934 were commonly used in commercial, industrial, communications, and power control equipment where reliability and heat dissipation were critical.
Origin Tracker
Obsolete Stock
Legacy or discontinued stock no longer in normal production flow. Future supply may be limited.
Pipeline quantities are informational and may change after arrival, inspection, sorting, testing, or donor teardown.
Compatible Radios / Boards
Vintage Electronics Restoration, Industrial Equipment Repair, Power Supplies, Communications Equipment, Audio Equipment, Test Equipment Repair, Semiconductor Collection, Electronics Experimentation, Educational Projects
RF Boneyard Bench Notes
Tester Lead Mapping:
Red-B Green-C Blue-E
Bench Measurements:
NPN Silicon BJT
hFE=110 at Ic=5.01mA
Vbe=0.522V at Ib=1.00mA
Vbe=0.589V at Ib=5.00mA
VceSat=0.010V at Ic=5.0mA and Ib=1.00mA
IcLeak=0.000mA
PASS - Semiconductor analyzer testing completed successfully.
PASS - Strong gain measurement of hFE 110 recorded.
PASS - Excellent VceSat measurement of 0.010V recorded.
PASS - No measurable collector leakage detected.
Vintage RCA TO-3 power transistor exhibiting excellent electrical characteristics and suitable for restoration, repair, experimentation, or collection.
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