PMD16K100 Vintage TO-3 NPN Silicon Power Transistor With Protection Diode
$19.99
Original PMD16K100 NPN silicon power transistor housed in the rugged TO-3 metal can package. This specialized power device incorporates an internal protection diode and internal shunt resistor, making it suitable for industrial controls, relay drivers, motor control circuits, power switching applications, automation equipment, and OEM electronic systems. Professionally tested and verified functional with no measurable collector leakage. The device exhibits characteristics consistent with a protected power transistor intended for switching and control applications.
Historical Note:
The PMD16K100 appears to be a specialized industrial or OEM power transistor rather than a standard consumer catalog part number. Devices of this style were commonly used during the late 1970s through 1980s in industrial controls, automation systems, power supplies, and commercial equipment where integrated protection features reduced external component count and improved reliability. The exact manufacturer associated with the triangle logo remains unidentified at this time.
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
Industrial Controls, Relay Drivers, Motor Controllers, Power Switching Circuits, Automation Equipment, Power Supplies, Commercial Electronics, Test Equipment Repair, Semiconductor Substitution Research, Electronics Experimentation
RF Boneyard Bench Notes
Tester Lead Mapping:
Red-B Green-C Blue-E
Bench Measurements:
NPN Silicon BJT
hFE=38 at Ic=5.02mA
Vbe=0.591V at Ib=1.00mA
Vbe=0.704V at Ib=5.00mA
VceSat=0.104V at Ic=5.0mA and Ib=1.00mA
IcLeak=0.000mA
Rshunt=6800R
Protection Diode Present: Yes
Bench Evaluation:
PASS - Semiconductor analyzer testing completed successfully.
PASS - Device identified as NPN silicon power transistor.
PASS - No measurable collector leakage detected.
PASS - Internal protection diode detected and verified.
PASS - Internal shunt resistance measured at approximately 6800 ohms.
PASS - Suitable for restoration, repair, substitution research, and collector inventory.
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