2SD400 NPN Transistor 25V 1A
High-performance 2SD400 NPN silicon transistor featuring a 25V rating and 1A current capacity for power amplification and electronic governor use.
4.00 ج.م
متوفرالكود 3496300138821
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2SD400 NPN Transistor 25V 1A
The 2SD400 NPN Transistor 25V 1A is a versatile bipolar junction transistor (BJT) designed for general‑purpose electronic applications where reliable switching and amplification are required. This through‑hole silicon NPN transistor is manufactured in a TO‑92 package and supports up to 1 A of continuous collector current with a maximum collector‑emitter breakdown voltage of 25 V, making it suitable for low‑voltage circuits.
Features:
- NPN bipolar junction transistor designed for general‑purpose and medium‑power applications.
- Supports collector current up to 1 A.
- Maximum collector‑emitter voltage of 25 V.
- TO‑92 plastic through‑hole package for easy PCB mounting.
- Suitable for low‑frequency amplifiers, switching circuits, and RF usage below rated frequency limits.
- Wide range of DC current gain for flexibility across circuit needs.
Specifications:
| Parameter | Value |
|---|---|
| Transistor Type | NPN |
| Collector-Base Voltage (V_CBO) | 25V |
| Collector-Emitter Voltage (V_CEO) | 25V |
| Emitter-Base Voltage (V_EBO) | 5V |
| Collector Current (I_C) | 1A |
| Collector Power Dissipation (P_C) | 0.9W |
| Transition Frequency (f_T) | 180MHz |
| DC Current Gain (h_FE) | 60-560 |
| Collector-Emitter Saturation Voltage (V_CE(sat)) | 0.3V |
| Base-Emitter Saturation Voltage (V_BE(sat)) | 1.2V |
| Junction Temperature (T_J) | 150°C |
| Storage Temperature (T_stg) | -55 to 150°C |
| Package | TO-92 |
Pin Configuration:

Applications:
- Low-frequency power amplification in audio circuits.
- Electronic governor systems for speed control in motors.
- Switching applications for loads up to 1A, such as relays or LEDs.
- General-purpose audio amplifiers.
- RF circuits operating under 180MHz.
- DIY electronics projects and prototyping.
Package Include:
1x 2SD400 NPN Transistor 25V 1A.








