Taiwan Semiconductor 1N4148 Switching Diodes
Taiwan Semiconductor 1N4148 Switching Diodes feature fast switching speed, high surge current capability, 150mA forward current, and high efficiency. These diodes offer up to 400W power dissipation and are available in a single-die configuration. The 1N4148 diodes are RoHS-compliant and halogen-free. These diodes are used in Switching Mode Power Supplies (SMPS), adapters, on-board DC-DC converters, and lighting applications.
Features
- Low power loss
- High efficiency
- Fast switching speed
- Moisture Sensitivity Level 1 (MSL 1)
- RoHS compliant
- Halogen-free
Applications
- Switching Mode Power Supplies (SMPS)
- Adapters
- On-board DC-DC converters
- Lighting requirements
- General-purpose switching
Circuit Diagram
View Results ( 14 ) Page
| Part Number | Datasheet | Peak Reverse Voltage | Max Surge Current | If - Forward Current | Vf - Forward Voltage | Ir - Reverse Current | Pd - Power Dissipation | Minimum Operating Temperature | Maximum Operating Temperature |
|---|---|---|---|---|---|---|---|---|---|
| 1N4148 R0G |  |
100 V | 2 A | 150 mA | 1 V | 5 uA | - 65 C | + 150 C | |
| 1N4148WTH RSG | |
100 V | 2 A | 300 mA | 1.25 V | 500 nA | 200 mW | - 55 C | + 150 C |
| 1N4148 A0G | |
100 V | 2 A | 150 mA | 1 V | 5 uA | - 65 C | + 150 C | |
| 1N4148W-G RHG | |
100 V | 2 A | 150 mA | 1 V | 5 uA | - 65 C | + 150 C | |
| 1N4148WH RHG | |
100 V | 2 A | 300 mA | 1.25 V | 500 nA | 400 mW | - 55 C | + 150 C |
| 1N4148WS-G RVG | |
100 V | 300 mA | 150 mA | 1 V | 5 uA | - 65 C | + 150 C | |
| 1N4148WSH RRG | |
100 V | 2 A | 300 mA | 1.25 V | 500 nA | 200 mW | - 55 C | + 150 C |
| 1N4148WS R9G | |
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| 1N4148WS RRG | |
100 V | 300 mA | 150 mA | 1 V | 5 uA | - 65 C | + 150 C | |
| 1N4148 A0 | |
Published: 2025-03-12
| Updated: 2025-06-02