BAT54CLT1: High-Performance Dual Schottky Diode in SOT-23 Package | Onsemi
BAT54CLT1: High-Performance Dual Schottky Diode in SOT-23 Package by Onsemi
The BAT54CLT1 from Onsemi is a premium dual Schottky diode array designed for surface-mount applications requiring fast switching, low power loss, and compact form factors. Despite being marked as obsolete, this component remains highly sought-after due to its unmatched performance in signal processing, power management, and circuit protection. Below, we explore its technical specifications, applications, and why it s a staple in modern electronics.
Detailed Overview of BAT54CLT1
Manufacturer and Part Details
- Manufacturer: Onsemi (formerly ON Semiconductor)
- Part Number: BAT54CLT1
- Category: Discrete Semiconductor Products > Diodes - Rectifiers - Arrays
- Status: Obsolete (but still widely available)
Key Features and Specifications
1. Dual Diode Configuration
- Configuration: 1 Pair Common Cathode
- Integrates two Schottky diodes in a single SOT-23 package, saving PCB space.
2. Electrical Characteristics
- Reverse Voltage (VR): 30V
- Forward Voltage Drop (VF): 800mV @ 100mA (max)
- Average Rectified Current (IO): 200mA per diode
- Reverse Leakage Current: 2 A @ 25V (typ)
3. High-Speed Performance
- Reverse Recovery Time (trr): 5ns (ultra-fast)
- Ideal for high-frequency switching (PWM, RF circuits).
4. Temperature Resilience
- Operating Range: -55 C to +150 C
- Suitable for industrial and automotive environments.
5. Compact SMT Package
- Package: SOT-23-3 (TO-236)
- Dimensions: 2.9mm x 1.3mm x 1.1mm (ideal for dense layouts).
Applications of BAT54CLT1
1. Signal Conditioning
- Used in clamping, flyback protection, and level-shifting circuits.
2. ESD and Surge Protection
- Protects sensitive ICs from electrostatic discharge (ESD) and voltage spikes.
3. Power Management
- Efficiently used in low-power DC-DC converters and voltage regulators.
4. High-Frequency Circuits
- Enables fast switching in RF detectors, mixers, and digital isolators.
Why Choose BAT54CLT1?
Despite its obsolete status, the BAT54CLT1 remains a top choice due to:
- Proven Reliability: Trusted in legacy and new designs.
- Space Efficiency: Dual diodes in a tiny SOT-23 package.
- Low Power Loss: Schottky technology minimizes heat generation.
Technical Comparison with Alternatives
| Parameter | BAT54CLT1 | BAT54S | BAT54C |
|---|---|---|---|
| Configuration | Common Cathode | Series | Common Anode |
| VF (max) | 800mV | 1V | 800mV |
| Package | SOT-23-3 | SOT-23 | SOT-23 |
Where to Buy BAT54CLT1?
We stock authentic Onsemi BAT54CLT1 diodes with:
- Same-day shipping.
- Competitive bulk pricing.
- Technical support for integration.
Conclusion
The BAT54CLT1 is a versatile, high-speed Schottky diode array perfect for modern electronics. Its compact size, low VF, and robust performance make it indispensable for designers. Contact us today to secure your supply!