Part Number: D13005A, 3DD13005A
Function: 450V, 4A, High-voltage high-speed switching NPN power transistor
Package: TO-220, TO-126 Type
Manufacturer: Jilin Sino
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Description
D13005A is a high-voltage, fast-switching NPN power transistor designed for switching applications in off-line power supplies, electronic ballasts, and energy-efficient lighting systems. It offers high breakdown voltage, good current handling capability, and fast switching characteristics, making it suitable for high-frequency SMPS and inverter designs.
Features
- High collector-emitter breakdown voltage (up to 400V)
- High collector current capability (up to 4A)
- Fast switching performance for high-frequency operation
- High power dissipation capability (40W)
- Good reliability and thermal stability
- RoHS compliant
Pinout
Absolute Maximum Ratings (Ta = 25 °C)
| Parameter | Symbol | Value | Unit |
| Collector-Base Voltage | VCBO | 450 | V |
| Collector-Emitter Voltage | VCEO | 400 | V |
| Emitter-Base Voltage | VEBO | 9 | V |
| Collector Current | IC | 4 | A |
| Power Dissipation | PC | 40 | W |
| Junction Temperature | Tj | 150 | °C |
| Storage Temperature | Tstg | -55 to 150 | °C |
Functional Description
- Designed for high-voltage switching in flyback and forward converter topologies
- Operates efficiently at high frequencies compared to standard BJTs
- Provides good trade-off between switching speed and conduction losses
Design Notes
- Requires proper base drive (typically via driver transformer or resistor network)
- Use heat sink for high power operation to maintain junction temperature
- Snubber circuits (RC or RCD) recommended to suppress voltage spikes in inductive loads
- Ensure safe operating area (SOA) is not exceeded during switching transitions
- Consider replacing with MOSFET in newer high-efficiency designs
Typical Applications
- Switch-mode power supplies (SMPS)
- Electronic ballasts for fluorescent lamps
- Energy-saving lighting circuits (CFL)
- High-frequency transformers and inverters
- General-purpose power switching
How to Choose This Part
- Select for high-voltage (>300V) switching applications
- Suitable when cost-sensitive designs prefer BJTs over MOSFETs
- Ensure switching frequency and efficiency requirements match BJT characteristics
- Consider thermal management and base drive complexity
Alternative / Equivalent Products
- MJE13005 (common equivalent)
- 2SC13005 (Japanese designation)
- FJP13005 (Fairchild/ON Semiconductor)
- ST13005 (STMicroelectronics variant)
Other data sheets are available within the file: D13005A220, D13005A-220
D13005A Datasheet PDF Download
