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BAT54WFILMY BAT54WFILMY is a 40V, 300mA Schottky barrier diode from STMicroelectronics, designed for automotive applications. It features fast switching, low forward voltage, and low capacitance.
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BAT54WFILMY

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Mfr Name: STMicroelectronics
STMicroelectronics
BAT54WFILMY is a 40V, 300mA Schottky barrier diode from STMicroelectronics, designed for automotive applications. It features fast switching, low forward voltage, and low capacitance.
✓ Total Stock: 51,000 pcs

BAT54WFILMY Available from 1 distributor

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BAT54WFILMY Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Capacitance @ Vr, F
Continuous Forward Current
Current
Diode Configuration
Diode Type
Mounting Type
Operating Temperature
Operating Temperature Range
Package / Case
Reverse Recovery Time (trr)
Speed
Supplier Device Package
Technology
Voltage
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BAT54WFILMY Description

Short technical summary and product information.

The BAT54WFILMY is a 40V, 300mA Schottky barrier diode from STMicroelectronics, part of the BAT54-Y series designed for automotive applications. It offers a typical forward voltage of 240mV at 0.1mA, rising to 900mV at 100mA, ensuring low conduction losses. The diode has a typical reverse recovery time of 5ns, making it suitable for high-speed switching circuits. With a typical capacitance of 7pF, it minimizes signal distortion.

 

This diode is AEC-Q101 qualified and RoHS compliant (ECOPACK2), meeting automotive reliability standards. It is packaged in a surface mount SOT-323 package, which is also compatible with SC-70 footprints. The operating junction temperature range is -40°C to 150°C, with a storage range of -65°C to 150°C. Thermal resistance from junction to ambient is 550°C/W for the SOT-323 package.

 

Typical applications include automotive electronic control units, high-speed switching, low voltage rectification, and reverse polarity protection. The low forward voltage and fast switching characteristics make it ideal for power management in space-constrained designs.

BAT54WFILMY Quick Information

Product Type: Schottky Diode
Series: BAT54-Y
Canonical Name: BAT54WFILMY - Schottky Diode 40V 300mA SOT-323
Subcategory: Rectifiers - Single

BAT54WFILMY Compliance

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

BAT54WFILMY Features

  • 40V reverse voltage rating.
  • 300mA continuous forward current.
  • 5ns typical reverse recovery time.
  • AEC-Q101 automotive qualified.
  • Surface mount SOT-323 package.

BAT54WFILMY Applications

  • Automotive electronic control units.
  • High-speed switching circuits.
  • Low voltage rectification.
  • Reverse polarity protection.
  • Signal conditioning.

BAT54WFILMY FAQs

5 frequently asked questions generated from this part’s specifications.
What is the reverse voltage rating of the BAT54WFILMY?

The repetitive peak reverse voltage (VRRM) is 40 V.

What is the forward current rating?

The continuous forward current (IF) is 300 mA.

What is the forward voltage drop at various currents?

Typical forward voltage is 240 mV at 0.1 mA, 320 mV at 1 mA, 400 mV at 10 mA, 500 mV at 30 mA, and 900 mV at 100 mA.

What is the reverse recovery time?

Typical reverse recovery time is 5 ns (test conditions: IF=10 mA, IR=10 mA, Irr=1 mA, RL=100 Ω).

What package is the BAT54WFILMY available in?

The diode is available in SOT-323 surface mount package (also SC-70 compatible).

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