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BAT54SW-QX

Name: BAT54SW-QX
Rating: 4.7 (12 reviews)

DIODE ARR SCHOT 30V 200MA SOT323

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仕様

Part Status	Active
Base Product Number	BAT54
Diode Configuration	1 Pair Series Connection
Technology	Schottky
Voltage - DC Reverse (Vr) (Max)	30 V
Current - Average Rectified (Io) (per Diode)	200mA
Voltage - Forward (Vf) (Max) @ If	800 mV @ 100 mA
Reverse Recovery Time (trr)	5 ns
Current - Reverse Leakage @ Vr	2 µA @ 25 V
Operating Temperature - Junction	150°C
Grade	Automotive
Qualification	AEC-Q101
Mounting Type	Surface Mount
Supplier Device Package	SOT-323
Packaging	Cut Tape (CT), Tape & Reel (TR)
Speed	Small Signal =< 200mA (Io), Any Speed
Package	SC-70, SOT-323

概要

Description

BAT54SW-QX is a dual Schottky barrier diode array in a small SMD package. It contains two Schottky diodes with a common cathode, i.e., A1 and A2 are the two anodes and K is the shared cathode. This makes it useful for low-loss diode-ORing, reverse-polarity protection, and fast clamping in portable circuits.
Key points:
- Package: 3-pin SMD (A1, A2, K).
- Low forward voltage drop and fast switching (Schottky).
- Typical ratings (variant-dependent): approx. 30 V reverse voltage; a few hundred milliamps per diode; Vf ~0.2–0.3 V at low currents.
- Leakage and temperature range depend on exact part; often wide operating temp.
Note: “QX” denotes a specific manufacturer/pack code; always consult the exact datasheet for precise electrical specs and pinout for your variant.

Features

- Dual Schottky barrier diodes in a single SOT-23 package (three pins)
- Very low forward voltage drop and ultra-fast switching
- Low reverse leakage current
- Small form factor; surface-mount; RoHS-compliant and Pb-free; reflow-solderable
- Suitable for high-speed rectification, OR-ing, polarity protection, clamps, and fast logic circuits
- Broad operating temperature range (typical for Schottky diodes)
- Available in variants/configurations with common anode or common cathode (choose the variant that fits your design)
Note: For exact electrical specs (VR, IF, VF, leakage, package pinout), refer to the manufacturer’s datasheet for BAT54SW-QX.

Package

SOT-23 3-pin package (dual Schottky diode, common cathode).

Pinout

- Pin count: 3 pins.
- Function: BAT54SW-QX is a dual Schottky diode (BAT54S family) in one package with a common cathode. Pin 1 and Pin 2 are the anodes of D1 and D2, and Pin 3 is the common cathode. Used for fast switching, OR-ing, and low-voltage clamping.

Manufacturer

Manufacturer: Nexperia.
What kind of company: A global semiconductor company that designs and manufactures discrete components (e.g., diodes, transistors, MOSFETs), logic devices, and related semiconductor products for automotive, consumer, and industrial applications.

Application

BAT54SW-QX is a dual Schottky barrier diode pair, ideal for fast, low‑voltage applications. Common uses include:
- High-speed switching, logic-level clamping and protection for microcontroller interfaces
- Diode-ORing and power-path switching in portable devices
- Low-voltage rectification and peak/envelope detection
- Input protection and level shifting in mixed-signal circuits
- RF/IF front-end applications such as envelope detection and signal rectification

Equivalent

Equivalents are other dual Schottky diodes in SOT-23 with a common cathode, ~30 V, ~0.2–0.3 A. Cross references include:
- Vishay BAT54S
- Nexperia BAT54S
- Diodes Inc. BAT54S
(Other vendors offer BAT54S-family variants as well.)
If automotive grade is required, seek AEC-Q101 qualified equivalents from these vendors. Verify exact pinout and ratings before substitution.