UTR42 The UTR42 is a standard fast recovery rectifier diode from Microchip Technology, rated for 400V reverse voltage and 2A average forward current. It comes in an A, Axial through-hole package.
Mfr Part #:

UTR42

Available from 1 distributors
Mfr Name: Microchip Technology
Microchip Technology
The UTR42 is a standard fast recovery rectifier diode from Microchip Technology, rated for 400V reverse voltage and 2A average forward current. It comes in an A, Axial through-hole package.
Total Stock: 3,370 pcs
$ Price Range: $8.64

UTR42 Available from 1 distributor

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UTR42 Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Capacitance @ Vr, F
Current
Mounting Type
Operating Temperature
Reverse Recovery Time (trr)
Speed
Supplier Device Package
Technology
Voltage
Voltage - DC Reverse (Vr) (Max)

UTR42 Description

Short technical summary and product information.

The UTR42 is a general-purpose fast recovery rectifier diode designed for moderate frequency switching applications. It features a maximum reverse voltage (Vr) of 400V and an average rectified forward current (Io) of 2A. The forward voltage drop (Vf) is 1.1V maximum at 1A, and the reverse recovery time (trr) is 350ns, making it suitable for high-efficiency rectification. The junction capacitance is 60pF at 0V and 1MHz. The diode operates over a wide junction temperature range from -65°C to 175°C. It is housed in a through-hole A, Axial package, which is easy to mount on PCBs. The UTR42 is compliant with RoHS, REACH, and has an MSL of 1 (unlimited). Typical applications include general purpose rectification, freewheeling diodes, and reverse polarity protection.

UTR42 Quick Information

Product Type: Rectifier Diode
Canonical Name: Standard Fast Recovery Rectifier Diode, 400V, 2A, Axial
Subcategory: Single Diodes

UTR42 Compliance

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

UTR42 Estimated Pricing

Qty Low High
103+ $8.64 $8.64

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

UTR42 Features

  • Rated for 400V maximum reverse voltage.
  • 2A average rectified forward current.
  • Fast recovery time of 350ns.
  • Low forward voltage drop of 1.1V at 1A.
  • Through-hole axial package for easy mounting.

UTR42 Applications

  • Used in general purpose rectification circuits.
  • Suitable for switched-mode power supplies.
  • Ideal for freewheeling diode applications.
  • Can be used in reverse polarity protection.

UTR42 FAQs

7 frequently asked questions generated from this part’s specifications.
What is the maximum reverse voltage rating of the UTR42?

400V.

What is the average forward current rating?

2A.

What is the forward voltage drop at 1A?

1.1V maximum.

What is the reverse recovery time of the UTR42?

350ns.

What package type is the UTR42 available in?

A, Axial through-hole package.

What is the operating junction temperature range?

-65°C to 175°C.

What is the junction capacitance of the UTR42?

60pF at 0V, 1MHz.

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