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LL4148 The BKC LL4148 is a small signal fast switching diode designed for high-speed applications. It features a 100V repetitive peak reverse voltage and a compact MiniMELF package.
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LL4148

Available from 1 distributors
Mfr Name: BKC
BKC
The BKC LL4148 is a small signal fast switching diode designed for high-speed applications. It features a 100V repetitive peak reverse voltage and a compact MiniMELF package.
✓ Total Stock: 100 pcs
$ Price Range: $0.99

LL4148 Available from 1 distributor

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✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Hybrid Electronics ✓
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100 pcs
On Request
100 pcs On Request 1 On Request On Request 94 On Request On Request
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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
Tape & Reel
Weight
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LL4148 Description

Short technical summary and product information.

The LL4148 from BKC is a silicon epitaxial planar diode designed for fast switching applications. It offers a repetitive peak reverse voltage of 100V and a maximum forward continuous current of 300mA.

 

This diode is housed in a MiniMELF (SOD-80) package, making it suitable for space-constrained designs. Its electrical characteristics are identical to the 1N4148 and 1N4448 devices.

 

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

 

Applications include extreme fast switching circuits where rapid response times are critical.

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

  • Fast switching silicon epitaxial planar diode.
  • 100V repetitive peak reverse voltage.
  • 300mA maximum forward continuous current.
  • MiniMELF (SOD-80) package.
  • Suitable for extreme fast switches.

LL4148 Applications

  • Suitable for high-speed switching circuits.
  • Ideal for fast signal rectification.
  • Used in electronic switching applications.
  • Applicable in low-voltage signal routing.
  • Suitable for compact electronic devices.

LL4148 FAQs

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

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

What is the maximum forward continuous current of the LL4148?

The maximum forward continuous current for the LL4148 is 300mA.

What is the package type for the LL4148 diode?

The LL4148 diode is supplied in a MiniMELF (SOD-80) package.

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

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

What is the typical reverse current at 20V for the LL4148?

The reverse current at 20V for the LL4148 is 25nA.

LL4148 Alternate Parts

Same form/fit/function or matching attribute configuration across different manufacturers.
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LL4148
LL4148
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.
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