LS4148 The Vishay Dale LS4148 is a small-signal fast switching diode designed for high-speed applications. It features a QuadroMELF package and robust electrical characteristics.
Mfr Part #:

LS4148

Available from 1 distributors
Mfr Name: Vishay
Vishay
The Vishay Dale LS4148 is a small-signal fast switching diode designed for high-speed applications. It features a QuadroMELF package and robust electrical characteristics.
✓ Total Stock: 12,115 pcs
$ Price Range: $1.20

LS4148 Available from 1 distributor

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Non-Authorised Inventory information
12,115 pcs
12115 pcs On Request 1 On Request On Request 1034 On Request On Request

LS4148 Specifications Quick View

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

LS4148 Description

Short technical summary and product information.

The Vishay Dale LS4148 is a silicon epitaxial planar diode designed for extremely fast switching applications. It is housed in a QuadroMELF (SOD-80) package, weighing approximately 34 mg.

 

Key electrical specifications include a repetitive peak reverse voltage of 100V, a reverse voltage of 75V, and a peak forward surge current of 2A. The forward continuous current is rated at 300mA, with an average forward current of 150mA. Power dissipation is a maximum of 500mW.

 

Thermal characteristics include a junction temperature of up to 175°C and a storage temperature range of -65°C to +175°C. The thermal resistance junction to ambient air is 300 K/W on a standard PC board.

 

This diode is suitable for various applications requiring high-speed switching. It is available in tape and reel packaging options, including 10K per 13" reel or 2.5K per 7" reel.

LS4148 Quick Information

Product Type: Diode
Canonical Name: LS4148 Small Signal Fast Switching Diode
Subcategory: Switching Diode

LS4148 Compliance

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

LS4148 Estimated Pricing

Qty Low High
1+ $1.20 $1.20

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

LS4148 Features

  • Small-signal fast switching diode.
  • QuadroMELF (SOD-80) package.
  • 100V repetitive peak reverse voltage.
  • 300mA forward continuous current.
  • Extremely fast switches.

LS4148 Applications

  • Switching in high-frequency circuits.
  • General purpose rectification.
  • Reverse polarity protection.
  • Overvoltage clamping.

LS4148 FAQs

7 frequently asked questions generated from this part’s specifications.
What is the repetitive peak reverse voltage of the LS4148?

100V.

What is the maximum forward continuous current?

300mA.

What is the package type of the LS4148?

QuadroMELF (SOD-80).

What is the operating junction temperature range?

Maximum junction temperature is 175°C, storage temperature range is -65°C to +175°C.

What is the power dissipation rating of the LS4148?

500mW.

What is the forward voltage at 5mA?

0.620V minimum to 0.720V maximum.

What is the reverse current at 20V reverse voltage?

25nA maximum.

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