The D882 (2SD882) is a high-current NPN bipolar junction transistor (BJT) designed for switching and amplification applications. It is widely used in motor drivers, power supplies, audio amplifiers, battery chargers, voltage regulator circuits, relay drivers, and DIY electronics. With a 3A collector current capability and low saturation voltage, the D882 is suitable for medium-power electronic circuits.
Features
- Full Name: D882 (2SD882) NPN Power Transistor
- High current NPN transistor
- Low collector-emitter saturation voltage
- Fast switching performance
- Suitable for switching and amplification
- High DC current gain
- TO-126 package for efficient heat dissipation
- Reliable and durable construction
- Easy to mount with a heat sink if required
Specifications
| Specification | Value |
|---|---|
| Product Type | NPN Bipolar Junction Transistor (BJT) |
| Model | D882 (2SD882) |
| Package | TO-126 |
| Collector-Emitter Voltage (VCEO) | 30V |
| Collector-Base Voltage (VCBO) | 40V |
| Emitter-Base Voltage (VEBO) | 5V |
| Maximum Collector Current (IC) | 3A |
| Power Dissipation | 10W |
| DC Current Gain (hFE) | 60–400 |
| Transition Frequency (fT) | Approx. 90 MHz |
| Operating Temperature | -55°C to +150°C |
Pin Configuration
When viewed from the front (flat side facing you, leads downward):
| Pin | Function |
|---|---|
| 1 | Emitter (E) |
| 2 | Collector (C) |
| 3 | Base (B) |
Note: The metal tab is internally connected to the Collector (C). Pin configuration may vary slightly between manufacturers, so always verify with the specific datasheet before use.
Applications / Uses
- DC motor drivers
- Relay driver circuits
- Battery chargers
- Switching power supplies
- Voltage regulator circuits
- Audio amplifier output stages
- LED driver circuits
- Arduino interface circuits
- Robotics projects
- DIY electronics
Advantages
- High current handling capability
- Low saturation voltage
- Fast switching response
- Suitable for power switching
- Compact TO-126 package
- Reliable and durable
- Cost-effective solution
Size
- Package Type: TO-126
- Body Width: Approx. 8 mm
- Body Height: Approx. 11 mm
- Overall Height (with leads): Approx. 25 mm
- Lead Pitch: 2.54 mm
- Weight: Approximately 1.5 g
Package Includes
- 1 × D882 (2SD882) NPN Power Transistor
Note: The D882 is often paired with its complementary B772 (2SB772) PNP transistor in audio amplifier output stages and push-pull driver circuits. For loads approaching the maximum current rating, use an appropriate heat sink to ensure reliable operation.






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