Overview
The BAT54CW RVG, produced by Taiwan Semiconductor Corporation, is a dual common cathode Schottky barrier diode designed for high-speed switching applications, voltage clamping, and circuit protection. This component is packaged in a miniature surface mount SOT323 package, making it ideal for portable applications where space is limited. The BAT54CW is known for its low forward voltage drop, fast switching speed, and enhanced ruggedness due to its PN junction guard ring.
Key Specifications
| Parameter | Value | Units | Conditions |
|---|---|---|---|
| Repetitive Reverse Voltage (VRRM) | 30 | V | |
| Forward Continuous Current (IF) | 200 | mA | |
| Forward Surge Current (IFSM) | 600 | mA | t < 1.0s |
| Forward Voltage Drop (VF) | 0.4 | V | @ 10mA, TJ = 25°C |
| Reverse Leakage Current (IRM) | 2 | μA | VR = 25V |
| Junction Temperature Range (TJ) | -65 to 150 | °C | |
| Storage Temperature Range (Tstg) | -65 to 150 | °C | |
| Thermal Resistance (Rth(j-a)) | 625 | °C/W | Junction to ambient |
| Package Style | SOT323 | ||
| No. of Pins | 3 | ||
| Moisture Sensitivity Level (MSL) | 1 - Unlimited |
Key Features
- Low Forward Voltage Drop: The BAT54CW has a very low forward voltage drop, typically 0.4V at 10mA, which minimizes power loss in high-frequency applications.
- Fast Switching Speed: This diode is designed for high-speed switching, making it suitable for applications requiring fast switching times.
- Ultra-Small Surface Mount Package: The SOT323 package is compact, making it ideal for space-constrained designs.
- PN Junction Guard Ring: Enhances ruggedness and provides transient and ESD protection.
- Totally Lead-Free & Fully RoHS Compliant: The device is halogen and antimony free, adhering to environmental standards.
Applications
- Switch-Mode Power Supplies (SMPS): Suitable for high-frequency switching in power supply circuits.
- DC-DC Converters: Used in DC-DC conversion applications due to its fast switching and low forward voltage drop.
- Freewheeling Diodes: Often used as freewheeling diodes to protect against back-EMF in inductive circuits.
- Reverse Polarity Protections: Can be used to protect circuits from reverse polarity conditions.
- Blocking Diodes: Used in various blocking diode applications where low forward voltage drop and fast switching are required.
Q & A
- What is the maximum repetitive reverse voltage (VRRM) of the BAT54CW?
The maximum repetitive reverse voltage (VRRM) is 30V.
- What is the forward continuous current (IF) rating of the BAT54CW?
The forward continuous current (IF) rating is 200mA.
- What is the maximum forward surge current (IFSM) of the BAT54CW?
The maximum forward surge current (IFSM) is 600mA for t < 1.0s.
- What is the typical forward voltage drop (VF) of the BAT54CW at 10mA?
The typical forward voltage drop (VF) at 10mA is 0.4V.
- What is the junction temperature range (TJ) of the BAT54CW?
The junction temperature range (TJ) is -65 to 150°C.
- What package style is the BAT54CW available in?
The BAT54CW is available in the SOT323 package style.
- Is the BAT54CW RoHS compliant?
Yes, the BAT54CW is totally lead-free and fully RoHS compliant.
- What are some common applications of the BAT54CW?
Common applications include SMPS, DC-DC converters, freewheeling diodes, reverse polarity protections, and blocking diodes.
- What is the moisture sensitivity level (MSL) of the BAT54CW?
The moisture sensitivity level (MSL) is 1 - Unlimited.
- Does the BAT54CW have any built-in protection features?
Yes, it has a PN junction guard ring for transient and ESD protection.
