BAT54CW

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BAT54CW

+BOM

SchottkyD, 30V, 0.2A

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Specifications

Attribute Value
Package Tape & Reel (TR)
ProductStatus Active
DiodeConfiguration 1 Pair Common Cathode
DiodeType Schottky
Voltage-DCReverse(Vr)(Max) 30 V
Current-AverageRectified(Io)(perDiode) 200mA
Voltage-Forward(Vf)(Max)@If 1 V @ 100 mA
Speed Small Signal =< 200mA (Io), Any Speed
ReverseRecoveryTime(trr) 5 ns
Current-ReverseLeakage@Vr 3 µA @ 30 V
OperatingTemperature-Junction -55°C ~ 150°C
MountingType Surface Mount
Package/Case SC-70, SOT-323

Overview

Description

The BAT54CW is a dual-series Schottky diode in a SOT-323 package, designed for high-speed switching and low-power applications. It consists of two diodes with a common cathode configuration, offering low forward voltage (~0.32V at 1mA) and fast switching speeds, making it ideal for signal clamping, rectification, and protection circuits.
Key features:
- Dual diode (common cathode)
- Low leakage current (~0.1µA)
- High efficiency due to low VF
- Compact SOT-323 package (saves PCB space)
Common uses include reverse polarity protection, DC-DC converters, and RF applications. Its small size and performance suit portable electronics like smartphones and IoT devices.
For detailed specs, refer to the datasheet from manufacturers like NXP or ON Semiconductor.

Equivalent

Equivalent products to the BAT54CW (Schottky diode) include:
- BAT54SW (similar specs, different package)
- BAT54C (same diode, different package)
- 1N5819 (higher current rating)
- RB520S-30 (ROHM alternative)
- PMEG2010EH (NXP alternative)
Check datasheets for exact compatibility in voltage, current, and package (SOT-323 for BAT54CW).

Pinout

The BAT54CW is a 3-pin SOT-323 packaged Schottky diode array. It consists of two common-cathode Schottky diodes in a single package.
Pin Functions:
1. Pin 1 (Anode 1) – First diode anode.
2. Pin 2 (Common Cathode) – Shared cathode for both diodes.
3. Pin 3 (Anode 2) – Second diode anode.
Key Features:
- Low forward voltage (~0.32V @ 1mA).
- Fast switching.
- Used in signal clamping, protection circuits, and rectification.
Compact and efficient for space-constrained designs.

Application

The BAT54CW, a Schottky diode, is widely used in:
1. Signal Clipping & Protection – Safeguards circuits from voltage spikes.
2. Switching Circuits – Fast switching in digital/logic applications.
3. Power Management – Reverse polarity protection in low-power devices.
4. RF & Mixer Circuits – High-frequency applications due to low capacitance.
5. Portable Electronics – Used in smartphones, tablets for efficiency.
Its low forward voltage and compact SOT-323 package make it ideal for space-constrained designs.

Package

The BAT54CW is a Schottky diode in an SOT-323 (SC-70) surface-mount package. It features a common-cathode configuration with dual diodes, offering low forward voltage and fast switching. The compact SOT-323 package is suitable for high-density PCB designs. Key specs include 30V reverse voltage and 200mA forward current. Ideal for signal switching, clamping, and protection circuits.

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