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BAT54SWFILM

Name: BAT54SWFILM
Rating: 4.7 (12 reviews)

DIODE ARRAY SCHOTTKY 40V SOT323

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Mfr。パート #BAT54SWFILM
パッケージ SC-70, SOT-323
データシート
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仕様

Supplier	STMicroelectronics
Package	Tape & Reel (TR),Cut Tape (CT)
ProductStatus	Active
DiodeConfiguration	1 Pair Series Connection
DiodeType	Schottky
Voltage-DCReverse(Vr)(Max)	40 V
Current-AverageRectified(Io)(perDiode)	300mA (DC)
Voltage-Forward(Vf)(Max)@If	900 mV @ 100 mA
Speed	Fast Recovery =< 500ns, > 200mA (Io)
ReverseRecoveryTime(trr)	5 ns
Current-ReverseLeakage@Vr	1 µA @ 30 V
OperatingTemperature-Junction	-40°C ~ 150°C
MountingType	Surface Mount
Package/Case	SC-70, SOT-323

概要

Description

BAT54SWFILM is a variant of the BAT54S family: a dual Schottky barrier diode in a WFILM (film-package) SMD form. The BAT54S devices contain two Schottky diodes with a common anode in one package, offering fast switching and low forward voltage.
Key points:
- Configuration: dual Schottky diodes, common anode.
- Electrical behavior: very fast switching, negligible reverse recovery, low forward voltage (typical ~0.2–0.4 V at modest current).
- Ratings (per diode, typical): reverse voltage up to about 30 V; continuous forward current on the order of a few hundred milliamps (depends on vendor variant).
- Packaging: compact SMD in the WFILM/film-style package variant (specifics can vary by supplier).
- Applications: input protection, logic-level shifting, power-rail ORing, clamping, and small-signal rectification in low-voltage, high-speed circuits.
Note: exact numbers and pinout can vary by manufacturer and the “WFILM” variant. Always consult the specific device datasheet for BAT54SWFILM from your supplier.

Features

BAT54SWFILM is a BAT54S family dual Schottky barrier diode in a WFILM (SMD) package. Key features:
- Dual Schottky diodes with common cathode (BAT54S configuration) in one package
- Very low forward voltage drop (≈0.2–0.3 V at low currents)
- Very fast switching; negligible reverse recovery
- Reverse voltage rating typically around 30 V
- Forward current roughly 0.2 A (per diode, depending on variant)
- Low leakage current and low junction capacitance
- Suitable for high-speed rectification, clipping, logic-level switching, and protection
- RoHS compliant; available in WFILM/SMD package variants
Note: Exact ratings (VR, IF, capacitance) depend on the manufacturer, so consult the specific datasheet for your part.

Package

Package: surface-mount film package (3-pin SMD, typically SOT-23 style).

Pinout

- Pin count: 3 pins.
- Function: Dual Schottky barrier diodes with a common cathode (A1 and A2 are the anodes; C is the common cathode). Used for fast switching, OR-ing, and clamping. Typical pinout (SOT-23): Pin1 = A1, Pin2 = C, Pin3 = A2.

Manufacturer

Manufacturer: Vishay Intertechnology, Inc.
What kind of company: A global, publicly traded semiconductor and passive components manufacturer. It designs and makes electronic components such as diodes, transistors, resistors, capacitors, and sensors used in consumer, automotive, and industrial applications.

Application

BAT54SWFILM is a dual Schottky barrier diode in a film package with low forward voltage and fast switching. Typical applications:
- High-speed switching and logic-level shifting in digital circuits
- Input protection (reverse polarity/overvoltage) for microcontrollers and portable devices
- Peak-detection/envelope detectors in RF/communications
- Low-leakage rectification and diode-OR/power-management circuits

Equivalent

Equivalent parts are other dual Schottky diodes with the same ratings (≈30 V, ≈200 mA) and the same SOT‑23 footprint/pinout. Typical direct substitutes:
- SBAT54 (Vishay)
- BAT54S (Vishay) in other packaging variants
- Similar dual Schottky diodes from other manufacturers (check VR, IF, and pinout)
Note: verify exact pinout and polarity for a direct substitute.