A1837 Transistor PNP. A1837 Transistor Price. 2SA1837 Transistor. A1837 transistor pinout.
- Collector-base voltage: -230V
- Collector-emitter voltage: -230V
- Emitter-base voltage: -5V
- Collector current: -1A
- Base current: -0.1A
- Collector power dissipation: 20W
Download C4793 Transistor Datasheet PDF.
A1837 Transistor PNP – 2 PCs (Original TOSHIBA) | Full Specification | Technical Buyers Only
Upgrade your electronic repairs and projects with Original TOSHIBA A1837 PNP Transistors. These high-quality components deliver excellent reliability, stable switching performance, and superior thermal durability—ideal for power amplifier stages, inverter boards, SMPS repair, and other professional circuits.
Specially recommended only for technical and experienced users.
Key Features
- Original TOSHIBA A1837 PNP Power Transistor
- High reliability for professional repair work
- Excellent switching performance
- Ideal for audio amplifiers, SMPS, inverter boards, LED drivers
- Stable operation under high temperature
- Long-life silicon build for consistent output
- Combo Pack – 2 Pieces
Technical Specifications
- Transistor Type: PNP
- Manufacturer: TOSHIBA
- Part Number: A1837
- Polarity: PNP
- Collector-Emitter Voltage (Vce): –150V
- Collector-Base Voltage (Vcb): –180V
- Emitter-Base Voltage (Veb): –5V
- Collector Current (Ic): –1A
- Power Dissipation (Pd): 20W (approx.)
- DC Current Gain (hFE): 40 – 320 (varies by classification)
- Package Type: TO-220
- Transition Frequency (Ft): 60 MHz (typical)
- Operating Temperature: –55°C to +150°C
- Applications: Power amplifiers, SMPS, inverter circuits, motor drivers, high-voltage switching
Why Buy This?
- 100% genuine TOSHIBA part
- Trusted by technicians for inverter and amplifier repairs
- Durable, stable, and high-performance PNP transistor
- Supplied in 2-piece pack for maintenance work



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