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LL4148 The Vishay LL4148 is a small signal fast switching diode designed for extreme fast switching applications. It features a 100V repetitive peak reverse voltage and a 300mA forward continuous current.
Mfr Part #:

LL4148

Available from 4 distributors
Mfr Name: Vishay
Vishay
The Vishay LL4148 is a small signal fast switching diode designed for extreme fast switching applications. It features a 100V repetitive peak reverse voltage and a 300mA forward continuous current.
✓ Total Stock: 51,693 pcs
$ Price Range: $0.99

LL4148 Available from 4 distributors

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Fe Components ✓
Non-Authorised Inventory information
50,000 pcs
On Request
50000 pcs On Request 1 On Request On Request On Request On Request On Request
Braun Electronic Components ✓
Non-Authorised Inventory information
605 pcs
On Request
605 pcs On Request 1 On Request On Request On Request On Request On Request
Seba Components ✓
Non-Authorised Inventory information
588 pcs
On Request
588 pcs On Request 1 On Request On Request On Request On Request On Request
Bristol Electronics ✓
Non-Authorised Inventory information
500 pcs
On Request
500 pcs On Request 1 On Request On Request 2026-02-25 06:16:38 On Request On Request
DistyParts aggregates offers from multiple distributors. Final prices, lead times and terms are subject to the distributors' discretion and may change without prior notice. DistyParts is not liable for any discrepancies.

LL4148 Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Junction Temperature
Peak Forward Surge Current
Power Dissipation
Reverse Voltage
Storage Temperature
Tape & Reel
Weight
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LL4148 Description

Short technical summary and product information.

The Vishay LL4148 is a silicon epitaxial planar diode designed for fast switching applications. It offers a repetitive peak reverse voltage of 100V and a reverse voltage of 75V. The forward continuous current is rated at 300mA, with an average forward current of 150mA.

 

Key electrical characteristics include a maximum forward voltage of 1V at 50mA and a maximum reverse current of 25nA at 20V. The diode has a power dissipation of 500mW and a thermal resistance junction to ambient air of 300 K/W.

 

Packaged in a MiniMELF (SOD-80) case, the LL4148 is suitable for applications requiring extreme fast switching. It is available on tape and reel for automated assembly processes.

LL4148 Quick Information

Product Type: Small Signal Fast Switching Diode
Canonical Name: LL4148 Small Signal Fast Switching Diode
Subcategory: Rectifier

LL4148 Compliance

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

LL4148 Estimated Pricing

Qty Low High
1+ $0.99 $0.99

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

LL4148 Features

  • 100V repetitive peak reverse voltage.
  • 300mA forward continuous current.
  • MiniMELF (SOD-80) package.
  • Silicon epitaxial planar diode.
  • Extreme fast switches.

LL4148 Applications

  • Used in high-speed switching circuits
  • Suitable for rectification applications
  • Ideal for signal processing modules
  • Applicable in power management circuits

LL4148 FAQs

5 frequently asked questions generated from this part’s specifications.
What is the repetitive peak reverse voltage of the LL4148?

The repetitive peak reverse voltage of the LL4148 is 100 V.

What is the forward continuous current for the LL4148?

The forward continuous current for the LL4148 is 300 mA.

What is the maximum forward voltage at 50mA for the LL4148?

The maximum forward voltage at 50mA for the LL4148 is 1 V.

What is the storage temperature range for the LL4148?

The storage temperature range for the LL4148 is -65 to +175 °C.

What is the package type for the LL4148 diode?

The package type for the LL4148 diode is MiniMELF (SOD-80).

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