FFA40UP35STU The FFA40UP35STU is a fast recovery rectifier diode from ON Semiconductor. It is rated for 350V reverse voltage and 40A forward current, with 55ns reverse recovery.
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FFA40UP35STU

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Mfr Name: On Semiconductor
On Semiconductor
The FFA40UP35STU is a fast recovery rectifier diode from ON Semiconductor. It is rated for 350V reverse voltage and 40A forward current, with 55ns reverse recovery.
Total Stock: 783 pcs

FFA40UP35STU Available from 1 distributor

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FFA40UP35STU Specifications Quick View

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

FFA40UP35STU Description

Short technical summary and product information.

The FFA40UP35STU is a fast recovery rectifier diode from ON Semiconductor. It is designed for general-purpose rectification in through-hole power applications. Housed in a TO-3PN (TO-3P-3/SC-65-3) package, this diode supports a maximum DC reverse voltage of 350V and an average forward current of 40A.

 

Electrical characteristics include a maximum forward voltage of 1.6V at 40A and a fast recovery speed with a reverse recovery time of 55ns. The diode can operate at junction temperatures up to 150°C. These specifications make it suitable for power supply rectification, freewheeling, and other industrial circuits requiring efficient switching.

 

The through-hole mounting package simplifies PCB assembly and provides robust thermal performance for high-current designs. The TO-3PN package is widely used in power electronics. With its combination of voltage and current ratings, the FFA40UP35STU offers a reliable solution for designers needing a high-current rectifier.

FFA40UP35STU Quick Information

Product Type: Rectifier Diode
Canonical Name: Fast Recovery Rectifier Diode, 350V, 40A, TO-3PN
Subcategory: Diodes - Rectifiers - Single

FFA40UP35STU Compliance

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

FFA40UP35STU Features

  • Rated up to 350V DC reverse voltage.
  • Handles 40A average forward current.
  • Fast recovery with 55ns trr.
  • 1.6V maximum forward voltage at 40A.
  • Through-hole TO-3PN package design.

FFA40UP35STU Applications

  • Power supply output rectifier stage.
  • Freewheeling diode for inductive loads.
  • High-current industrial power converters.
  • General purpose rectification up to 40A.

FFA40UP35STU FAQs

6 frequently asked questions generated from this part’s specifications.
What is the maximum reverse voltage rating of the FFA40UP35STU?

The maximum DC reverse voltage (Vr) is 350V.

What is the average forward current rating?

The average rectified forward current (Io) is 40A.

What is the forward voltage drop at rated current?

The maximum forward voltage is 1.6V at 40A.

Does this diode have a fast reverse recovery time?

Yes, it is rated as fast recovery with a reverse recovery time (trr) of 55ns.

What package is the FFA40UP35STU available in?

It is offered in a through-hole TO-3P-3 (SC-65-3) package, with supplier device package TO-3PN.

What is the maximum operating junction temperature?

The maximum junction temperature is 150°C, with an operating range of -65°C to 150°C.

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