
1N4148
1N4148 Switching Diode
High-speed switching diode with short reverse recovery time, ideal for signal detection and logic protection.
- SOD-123
- Signal Detection / Logic Circuits / High-Speed Switching
- Diode

Product Description
The 1N4148 is a classic high-speed switching diode with a reverse recovery time of just 4ns. Its compact SOD-123 package makes it ideal for high-density layouts. Commonly used for signal detection, clamping, and logic circuit protection.
Specifications
| Reverse Voltage | 100 V |
|---|---|
| Forward Current | 200 mA |
| Package Form | SOD-123 |
| Reverse recovery time | 4 ns |
| Operating Temperature Range | -65 ℃ ~ +175 ℃ |
The parameters shown represent general category ranges. Actual supply shall be based on the specification confirmed at the time of order.
Supply Details
- Supports both small-batch and bulk supply
- Can be bundled with other diodes.
- Samples available for standard models.
Alternative Model
The following models are compatible alternatives with similar specifications or pinouts. Please verify details in the datasheet.
This table includes series-level reference items. Please confirm package, ratings, and fuse characteristics with engineering before bulk procurement.
1N148WS
- Encapsulate
- —
- Rated Value
- —/ —
High-speed switching diode, SOD-323 package, identical specifications
BAV99
- Encapsulate
- —
- Rated Value
- —/ —
Dual-channel switch diode, SOT-23 package; replaces single-channel applications
1N148W
- Encapsulate
- —
- Rated Value
- —/ —
High-speed switching diode, SOD-123 package, pin-compatible
Alternative models are for reference only. Please confirm final selection based on application requirements and datasheets. For further recommendations, feel free to submit an inquiry.
Similar models within the same parameter range
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- SKY-60V-1A-SMASchottky Diode 60V 1AParameter deviation exceeds 30%, please verify.Voltage difference -40%Current difference +400%SMA· 60 V
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