2SD869 N-Channel Transistor Metal 600V 3.5A

The 2SD869 N-Channel Transistor Metal 600V 3.5A is a high-voltage, metal-case NPN power transistor built for demanding applications that require exceptional durability, long-term stability, and strong thermal performance. Moreover, this transistor stands out in circuits involving industrial power control, high-voltage switching, and audio power output stages thanks to its robust metal package and reliable electrical characteristics. Because authentic metal-case transistors are becoming rare in the modern component market, the 2SD869 is now considered new and rare, making it a valuable choice for technicians and engineers who require high-quality replacement parts.

Additionally, this transistor arrives in brand-new condition, ensuring consistent electrical performance even under heavy load and elevated temperatures. Its metal TO-3 style casing provides superior heat dissipation compared to plastic packages, which consequently enhances reliability in continuous or high-voltage operation. Furthermore, the 2SD869 supports fast switching response and maintains stable current gain, making it ideal for precision power applications.

Key Features

• High-voltage NPN transistor rated for 600V operation

• Metal-case design for exceptional heat dissipation

• Supports up to 3.5A continuous collector current

• Provides fast switching performance for demanding circuits

• Supplied as a new and rare original component

Typical Applications

• Industrial power switching and regulation

• High-voltage inverter circuits

• Audio amplifier driver and output stages

• Motor control and industrial automation systems

• Restoration of vintage or metal-case power electronics

Furthermore, the 2SD869 N-Channel Transistor Metal 600V 3.5A maintains stable performance across a wide temperature range, which makes it reliable for both analog and digital power systems. Consequently, engineers prefer this transistor in scenarios where voltage spikes, thermal stress, and long-term reliability must be managed carefully. Therefore, the 2SD869 continues to serve as a dependable component in both modern industrial applications and classic high-power equipment.

Datasheet Specifications

• Type: NPN Metal Power Transistor

• Collector–Emitter Voltage (Vceo): 600 V

• Collector–Base Voltage (Vcbo): 700 V

• Emitter–Base Voltage (Vebo): 5 V

• Collector Current (Ic): 3.5 A

• Power Dissipation: Approx. 80–100 W (with heatsink)

• DC Current Gain (hFE): 20–60

• Transition Frequency (ft): 2–3 MHz

• Package: Metal TO-3 style

• Pinout:

  1. Base

  2. Emitter
     Case = Collector

Why This Component Is Highly Valued

• Excellent choice for high-voltage and industrial power systems

• Metal casing ensures strong heat handling and long service life

• Rare and authentic component ideal for repairs and restoration

• Maintains strong performance under thermal and electrical stress