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LL4148 The Semtech LL4148 is a standard rectifier diode designed for general-purpose applications. It features a 75V reverse voltage rating and 300mA forward current capacity.
Mfr Part #:

LL4148

Available from 3 distributors
Mfr Name: Semtech
Semtech
The Semtech LL4148 is a standard rectifier diode designed for general-purpose applications. It features a 75V reverse voltage rating and 300mA forward current capacity.
✓ Total Stock: 1,687 pcs
$ Price Range: $0.99

LL4148 Available from 3 distributors

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Speed Components Ltd ✓
Non-Authorised Inventory information
1,491 pcs
On Request
1491 pcs On Request 1 On Request On Request 09+ On Request On Request
Braun Electronic Components ✓
Non-Authorised Inventory information
98 pcs
On Request
98 pcs On Request 1 On Request On Request On Request On Request On Request
Emiteli ✓
Non-Authorised Inventory information
98 pcs
On Request
98 pcs On Request 1 On Request On Request On Request 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
Capacitance
Diode Type
Forward Current
Forward Voltage
Lead Style
Mounting Type
Operating Temperature
Reverse Recovery Time
Reverse Voltage
Storage Temperature
Supplier Package
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LL4148 Description

Short technical summary and product information.

The Semtech LL4148 is a standard rectifier diode with key electrical characteristics suitable for various electronic circuits. It offers a maximum reverse voltage of 75V and an average rectified forward current of 300mA.

 

The diode exhibits a maximum forward voltage of 1V at 50mA and a fast reverse recovery time of 4ns. Its reverse leakage current is a low 5µA at 75V, with a capacitance of 4pF at 0V and 1MHz.

 

This component is housed in a surface mount SOD-80 MiniMELF package (DO-213AC). It operates within a junction temperature range of -65°C to 175°C, making it suitable for a wide array of environmental conditions.

 

The LL4148 is compliant with RoHS3 standards and has a Moisture Sensitivity Level (MSL) of 1.

LL4148 Quick Information

Product Type: Rectifier Diode
Canonical Name: LL4148 Standard Rectifier 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

  • Standard rectifier diode type.
  • 75V maximum reverse voltage.
  • 300mA average forward current.
  • Fast 4ns reverse recovery time.
  • Surface mount SOD-80 MiniMELF package.

LL4148 Applications

  • High-speed switching in digital circuits.
  • Signal clamping and protection applications.
  • Low-current rectification in power supplies.
  • Reverse polarity protection for sensitive components.

LL4148 FAQs

7 frequently asked questions generated from this part’s specifications.
What is the maximum reverse voltage of the LL4148 diode?

The maximum reverse voltage for the LL4148 diode is 75V.

What is the average rectified forward current for the LL4148?

The average rectified forward current (Io) for the LL4148 is 300mA.

What is the maximum forward voltage of the LL4148?

The maximum forward voltage (Vf) for the LL4148 is 1V at a forward current (If) of 50mA.

What is the reverse recovery time of the LL4148 diode?

The reverse recovery time (trr) for the LL4148 diode is 4 ns.

What is the package type for the LL4148?

The LL4148 is available in DO-213AC, MINI-MELF, and SOD-80 packages, with the supplier package being SOD-80 MiniMELF.

What is the operating temperature range for the LL4148?

The operating junction temperature range for the LL4148 is -65°C to 175°C.

What is the typical reverse leakage current for the LL4148?

The typical reverse leakage current for the LL4148 is 5 µA at a reverse voltage (Vr) of 75V.

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