Overview
The BAT54CW is a planar Schottky barrier diode designed for high-speed switching applications, voltage clamping, and circuit protection. It is encapsulated in a very small SOT323 (SC-70) surface-mounted device (SMD) plastic package, making it ideal for portable applications where space is limited.
This diode is characterized by its low forward voltage drop, ultra-high-speed switching capabilities, and integrated guard ring for enhanced ruggedness and long-term reliability.
Key Specifications
| Parameter | Value | Units | Conditions |
|---|---|---|---|
| VRRM (Max. DC Reverse Voltage) | 30 | V | |
| IF (DC Forward Current) | 0.2 | A | |
| IFSM (Max. Peak One Cycle Non-Repetitive Surge Current) | 1.0 | A | 10 ms sine or 6 ms rect. pulse, TJ = 25°C |
| VF (Max. Forward Voltage Drop) | 0.50 | V | @ 30 mA, TJ = 25°C |
| IR (Max. Reverse Leakage Current) | 2 | µA | VR = 25 V |
| CT (Max. Junction Capacitance) | 10 | pF | VR = 1 VDC, TJ = 25°C |
| TJ (Junction Temperature Range) | -65 to 150 | °C | |
| RθJA (Thermal Resistance Junction to Ambient Air) | 625 | °C/W |
Key Features
- Low forward voltage drop, ensuring minimal power loss.
- Ultra-high-speed switching capabilities, making it suitable for high-frequency operations.
- Integrated guard ring for enhanced ruggedness and long-term reliability.
- Ultra-small SOT323 (SC-70) surface-mounted device (SMD) package, ideal for space-constrained applications.
- Totally lead-free and fully RoHS compliant, with a halogen and antimony-free design.
- Fast switching speed and low capacitance.
- Voltage clamping and reverse polarity protection capabilities.
Applications
- Switch-Mode Power Supplies (SMPS).
- DC-DC converters.
- Freewheeling diodes.
- Reverse polarity protections.
- Blocking diodes.
- Portable and mobile devices where space is limited.
Q & A
- What is the maximum DC reverse voltage of the BAT54CW?
The maximum DC reverse voltage (VRRM) is 30 V.
- What is the maximum forward current of the BAT54CW?
The maximum DC forward current (IF) is 0.2 A.
- What is the maximum forward voltage drop of the BAT54CW at 30 mA?
The maximum forward voltage drop (VF) at 30 mA is 0.50 V.
- What is the junction temperature range of the BAT54CW?
The junction temperature range (TJ) is -65 to 150 °C.
- Is the BAT54CW RoHS compliant?
- What package type is the BAT54CW available in?
The BAT54CW is available in the SOT323 (SC-70) surface-mounted device (SMD) package.
- What are some common applications of the BAT54CW?
- What is the thermal resistance junction to ambient air for the BAT54CW?
The thermal resistance junction to ambient air (RθJA) is 625 °C/W.
- Does the BAT54CW have any integrated protection features?
- What is the maximum peak one cycle non-repetitive surge current for the BAT54CW?
FSM) is 1.0 A for 10 ms sine or 6 ms rect. pulse at TJ = 25°C.
