Overview
The BAT54CW is a Schottky barrier diode produced by SMC Diode Solutions. It is designed for high-speed switching applications, voltage clamping, and circuit protection. This diode is part of the BAT54 series and is known for its low forward voltage drop, fast switching speed, and compact surface mount package.
Key Specifications
| Characteristic | Symbol | Value | Unit | Test Condition |
|---|---|---|---|---|
| Repetitive Reverse Voltage (Max) | VRRM | 30 | V | IR = 100µA |
| Average Forward Current | IF(AV) | 0.2 | A | |
| Forward Voltage Drop (Max) | VF | 0.32 | mV | IF = 1mA |
| Peak One Cycle Non-Repetitive Surge Current (Max) | IFSM | 0.6 | A | tp = 10 ms sine |
| Reverse Leakage Current (Max) | IR | 2.0 | µA | VR = 25V |
| Total Capacitance | CT | 10 | pF | VR = 1V, f = 1.0MHz |
| Reverse Recovery Time | tRR | 5.0 | ns | IF = 10mA through IR = 10mA to IR = 1.0mA, RL = 100Ω |
| Power Dissipation | Pd | 200 | mW | TA = 25°C |
| Thermal Resistance Junction to Ambient Air | RθJA | 625 | °C/W | |
| Operating and Storage Temperature Range | TJ, TSTG | -65 to +125 | °C |
Key Features
- Low forward voltage drop, ensuring minimal power loss during operation.
- Extremely fast switching speed, making it suitable for high-frequency applications.
- Ultra-small surface mount package (SOT323), ideal for space-constrained designs.
- Pn junction guard ring for transient and ESD protection, enhancing reliability.
- Totally lead-free and fully RoHS compliant, aligning with environmental regulations.
- Halogen and antimony free, classified as a “Green” device.
- Molded plastic body with UL flammability classification rating 94V-0.
- Terminals with matte tin finish, annealed over alloy 42 leadframe, ensuring good solderability.
Applications
- Switch Mode Power Supplies (SMPS).
- DC-DC converters.
- Freewheeling diodes.
- Reverse polarity protections.
- Blocking diodes.
- High-speed switching applications.
- Voltage clamping and circuit protection.
Q & A
- What is the maximum repetitive reverse voltage of the BAT54CW?
The maximum repetitive reverse voltage (VRRM) is 30V.
- What is the average forward current rating of the BAT54CW?
The average forward current (IF(AV)) is 0.2A.
- What is the typical forward voltage drop at 1mA for the BAT54CW?
The typical forward voltage drop (VF) at 1mA is 0.32mV.
- What is the peak one cycle non-repetitive surge current rating?
The peak one cycle non-repetitive surge current (IFSM) is 0.6A for tp = 10 ms sine.
- What is the reverse leakage current at 25V for the BAT54CW?
The reverse leakage current (IR) at 25V is 2.0µA.
- What is the total capacitance of the BAT54CW at 1V and 1MHz?
The total capacitance (CT) at 1V and 1MHz is 10pF.
- What is the reverse recovery time of the BAT54CW?
The reverse recovery time (tRR) is 5.0ns.
- What is the power dissipation rating of the BAT54CW at 25°C?
The power dissipation (Pd) at 25°C is 200mW.
- What is the thermal resistance junction to ambient air for the BAT54CW?
The thermal resistance junction to ambient air (RθJA) is 625°C/W.
- What is the operating and storage temperature range for the BAT54CW?
The operating and storage temperature range (TJ, TSTG) is -65 to +125°C.
