Main image for 1N4148 switch diode product

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
1N4148 Switching Diode - Physical Image
Description

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

Specifications

Voltage coverage
100 V
Current coverage
0.2 A
Reverse Voltage100 V
Forward Current200 mA
Package FormSOD-123
Reverse recovery time4 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

Supply Details

  • Supports both small-batch and bulk supply
  • Can be bundled with other diodes.
  • Samples available for standard models.
Alternatives

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.

Brand

1N148WS

ON SemiconductorHetero-encapsulation
Encapsulate
—
Rated Value
—/ —

High-speed switching diode, SOD-323 package, identical specifications

BAV99

NexperiaHetero-encapsulation
Encapsulate
—
Rated Value
—/ —

Dual-channel switch diode, SOT-23 package; replaces single-channel applications

1N148W

VishayHetero-encapsulation
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.

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