1N4148

1N148 switching diode

High-speed switching diode with short reverse recovery time for signal detection and logic protection.

SOD-123
Signal detection / logic circuits / high-speed switching
Diodes

Description

Product description

The 1N4148 is a classic high-speed switching diode with 4ns reverse recovery. The small SOD-123 package suits dense layouts and is used in signal detection, clamping and logic protection.

Specifications

Voltage range: 100 V
Current range: 0.2 A

Reverse voltage	100 V
Forward current	200 mA
Package	SOD-123
Reverse recovery time	4 ns
Operating temperature range	-65 ℃ ~ +175 ℃

Specifications indicate the typical range for this category; the datasheet confirmed with your order takes precedence.

Supply

Supply Notes

Small-batch and bulk supply
Combined with other diodes in one order
Samples of standard parts available upon request

Alternatives

Alternative Models

The part numbers below are alternatives for this product with similar specifications or pin compatibility; please verify against the datasheet.

Some rows are series-level references. Confirm package, ratings, and fusing characteristics with Engineering before volume purchasing.

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Brand

Alternative part number	Brand	Package	Rating	Note
1N148WS	ON Semiconductor	—	——	High-speed switching diode, SOD-323, equivalent ratings
BAV99	Nexperia	—	——	Dual switching diode, SOT-23, replaces single-diode use
1N148W	Vishay	—	——	High-speed switching diode, SOD-123, pin compatible

1N148WS

ON SemiconductorDifferent package

Package: —
Rating: —/ —

High-speed switching diode, SOD-323, equivalent ratings

BAV99

NexperiaDifferent package

Package: —
Rating: —/ —

Dual switching diode, SOT-23, replaces single-diode use

1N148W

VishayDifferent package

Package: —
Rating: —/ —

High-speed switching diode, SOD-123, pin compatible

Alternative models are for reference only. Confirm actual selection based on application requirements and datasheets. For further suggestions, submit an inquiry.

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