1N4148 The Unitrode 1N4148 is a small signal fast switching diode designed for extreme fast switching applications. It features a DO-35 package.
Mfr Part #:

1N4148

Available from 1 distributors
Mfr Name: Unitrode
Unitrode
The Unitrode 1N4148 is a small signal fast switching diode designed for extreme fast switching applications. It features a DO-35 package.
Total Stock: 42 pcs
$ Price Range: $0.99

1N4148 Available from 1 distributor

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1N4148 Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Diode Capacitance
Forward Voltage
Junction Temperature
Peak Forward Surge Current
Reverse Voltage
Weight

1N4148 Description

Short technical summary and product information.

The 1N4148 from Unitrode is a silicon epitaxial planar diode designed for fast switching applications. It is electrically equivalent to the 1N914 diode.

 

Key electrical characteristics include a repetitive peak reverse voltage of 100V and a forward continuous current of 300mA. The average forward current is rated at 150mA. Its reverse current is very low, measuring 25nA at 20V and 5μA at 75V. The diode capacitance is typically 4pF at 1MHz.

 

This diode is housed in a DO-35 (DO-204AH) case, weighing approximately 105mg. It is suitable for applications requiring extreme fast switching speeds. The diode features a black cathode band for identification.

 

Packaging options include tape and reel (10K per 14" reel) and ammopack (10K per ammopack), with a box quantity of 50K.

1N4148 Quick Information

Product Type: Diode
Canonical Name: 1N4148 Small Signal Fast Switching Diode
Subcategory: RF Diode

1N4148 Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

1N4148 Estimated Pricing

Qty Low High
1+ $0.99 $0.99

Estimated market price range - modelled values for guidance only, not live distributor offers.

1N4148 Features

  • Fast switching silicon epitaxial planar diode
  • 100V repetitive peak reverse voltage
  • 300mA forward continuous current
  • Low reverse current
  • DO-35 (DO-204AH) package

1N4148 Applications

  • Used in high-speed switching circuits
  • Suitable for RF signal applications
  • Ideal for digital switching circuits
  • Applied in high-frequency rectification

1N4148 FAQs

5 frequently asked questions generated from this part’s specifications.
What is the maximum repetitive peak reverse voltage for the 1N4148?

The maximum repetitive peak reverse voltage is 100V.

What is the forward continuous current rating of the 1N4148?

The forward continuous current is 300mA.

What is the typical diode capacitance of the 1N4148?

The typical diode capacitance is 4pF at 1MHz.

What is the package type for the 1N4148 diode?

The 1N4148 is supplied in a DO-35 (DO-204AH) case.

What is the reverse recovery time for the 1N4148?

The reverse recovery time is a maximum of 8ns under specific conditions, and 4ns under other conditions.

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