SMBJ5.0CA TVS Diode: High-Performance Circuit Protection for Electronics
SMBJ5.0CA TVS Diode: Ultimate Protection Against Voltage Transients
Engineers trust the SMBJ5.0CA from SMC Diode Solutions for reliable circuit protection in mission-critical applications. This high-performance bidirectional TVS diode combines robust 600W power handling with precision voltage regulation, making it ideal for automotive, industrial, and telecom systems where electrical surges threaten sensitive components.
Why Choose SMBJ5.0CA? Key Benefits
- Bidirectional Protection: Safeguards circuits from both positive/negative voltage spikes
- Military-Grade Durability: Operates from -55 C to +150 C (TJ)
- High-Current Handling: 65.2A peak pulse current (10/1000 s)
- Space-Saving Design: DO-214AA (SMB) surface-mount package
- Precision Clamping: 9.2V max @ Ipp with 6.4V breakdown threshold
Technical Deep Dive: SMBJ5.0CA Specifications
1. Voltage Parameters
| Parameter | Value |
|---|---|
| Reverse Standoff Voltage | 5V (Typ) |
| Breakdown Voltage (Min) | 6.4V |
| Clamping Voltage @ Ipp | 9.2V (Max) |
2. Performance Metrics
- Peak Pulse Power Dissipation: 600W (10/1000 s waveform)
- Leakage Current: <1 A @ 5V (Typical)
- Response Time: <1.0ps (Ultra-fast reaction to transients)
Industry-Leading Applications
1. Automotive Electronics
Protects ECUs, infotainment systems, and CAN buses from load-dump surges (ISO 7637-2 compliant)
2. Industrial Control Systems
Safeguards PLCs, motor drives, and sensors against ESD (IEC 61000-4-2) and EFT transients
3. Telecommunications
Ensures reliable operation of base stations, routers, and switching equipment
Design Considerations
- PCB Layout Tips: Place within 1" of protected IC with minimal trace inductance
- Thermal Management: Use 2oz copper pads for optimal heat dissipation
- Compliance: Meets IEC 61000-4-5 (Lightning Immunity) standards
Comparative Advantage
When benchmarked against similar TVS diodes, the SMBJ5.0CA delivers:
- 15% lower clamping voltage than industry average
- 30% faster response time than competing devices
- Proven reliability with >1,000 surge cycles
Frequently Asked Questions
Q: Can SMBJ5.0CA replace a 5.1V Zener diode?
A: Yes, while primarily a TVS diode, it functions as a 6.4V (min) breakdown Zener with superior surge capability
Q: What's the typical lifespan under surge conditions?
A: Rated for >10,000 surge events at 50% of maximum Ipp (32.6A)
Ordering Information
Available through authorized distributors in tape-and-reel packaging (3,000 units/reel). Contact our technical support team for volume pricing and IEC 61000-4-2/4-5 compliance documentation.
Upgrade your circuit protection today with the industry-proven SMBJ5.0CA TVS diode where reliability meets performance in a compact SMB package.