Product Overview
Motorola 2N375 Germanium PNP Power Transistor TO-3 Flange
Condition
Unused new old stock (NOS). Stored in factory styrofoam block with original Motorola Semiconductor Products cardboard sleeve. Markings legible: Motorola logo, 2N375, 2-28. Sold each.
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Product Overview
Motorola 2N375 is a vintage germanium PNP power transistor built for medium-current switching and audio amplification in a standard two-pin diamond-flange TO-3 metal package. Rated for collector currents up to 3 A and breakdown voltages up to 80 V (VCBO), it provides the characteristic low forward drop and saturation response required when servicing legacy analog equipment, early solid-state audio amplifiers, and period test instruments.
Key Features
- Germanium (Ge) PNP transistor construction
- Classic diamond-flange TO-3 two-pin metal can with gold-plated baseplate
- Collector-base voltage (VCBO): 80 V maximum
- Collector-emitter voltage (VCEO): 60 V maximum
- Emitter-base voltage (VEBO): 40 V maximum
- Continuous collector current (IC): 3 A maximum
- Chassis-mount through-hole configuration
Applications
- Bench repairs and component-level restorations of vintage Germanium audio amplifiers
- Servicing legacy industrial control circuitry and discrete regulated DC power supplies
- Period-accurate guitar fuzz pedals and experimental analog audio projects seeking genuine Germanium clipping characteristics
Frequently Asked Questions
What package style does the 2N375 use?
It uses the classic two-pin diamond-flange TO-3 package with dual mounting holes, where the metal case serves as the collector connection.
Can this transistor be directly substituted with a silicon PNP transistor?
No. Germanium transistors have a lower forward junction drop (roughly 0.2 V to 0.3 V compared to 0.6 V to 0.7 V for silicon). Dropping a silicon part into a circuit biased for germanium typically causes improper biasing or distortion unless circuit resistor values are modified.
What modern part number crosses or replaces the 2N375?
The standard industry cross-reference replacement for the 2N375 is the NTE104 germanium power transistor.
Real Phoenix germanium in the classic diamond can, ready to bring vintage audio iron or bench gear right back into bias.
