Overview
The 1SMC33AT3G is a unidirectional Transient Voltage Suppressor (TVS) diode produced by ON Semiconductor. This component is designed to protect voltage-sensitive components from high voltage, high energy transients. It features excellent clamping capability, high surge capability, low zener impedance, and a fast response time. The 1SMC33AT3G is housed in the SURMETIC package, which is cost-effective and highly reliable.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Working Peak Reverse Voltage (VRWM) | 33 | V |
| Breakdown Voltage (VBR) @ IT | 36.70 - 38.65 | V |
| Peak Pulse Power (Ppp) | 1500 | W @ 1 ms |
| Maximum Reverse Peak Pulse Current (IPP) | 163 A | A |
| Clamping Voltage @ IPP (VC) | 53.3 | V |
| Maximum Reverse Leakage Current @ VRWM (IR) | 1 μA | μA |
| Forward Current (IF) | 100 A | A |
| Forward Voltage @ IF (VF) | 3.5 V Max @ IF = 100 A | V |
| ESD Rating | Class 3 (> 16 kV) per Human Body Model | |
| Package | SURMETIC (Pb-Free) | |
| Operating Temperature Range | -65°C to +150°C | °C |
Key Features
- Excellent Clamping Capability: Effective in protecting against high voltage transients.
- High Surge Capability: Can handle high energy pulses.
- Low Zener Impedance: Minimizes voltage drop during transient events.
- Fast Response Time: Quickly responds to transient voltage spikes.
- Cost-Effective and Reliable Package: SURMETIC package ensures high reliability and cost-effectiveness.
- ESD Protection: Rated for Class 3 ESD protection (> 16 kV) per Human Body Model.
Applications
The 1SMC33AT3G is ideally suited for various industrial and consumer applications, including:
- Communication Systems: Protects sensitive components from voltage spikes.
- Automotive Systems: Ensures reliability in automotive electronics.
- Numerical and Process Controls: Provides overvoltage protection in control systems.
- Medical Equipment: Safeguards medical devices from transient voltages.
- Business Machines and Power Supplies: Offers protection against overvoltage events.
Q & A
- Q: What is the primary function of the 1SMC33AT3G?
A: The primary function is to protect voltage-sensitive components from high voltage, high energy transients.
- Q: What is the working peak reverse voltage (VRWM) of the 1SMC33AT3G?
A: The VRWM is 33 V.
- Q: What is the peak pulse power rating of the 1SMC33AT3G?
A: The peak pulse power rating is 1500 W @ 1 ms.
- Q: What is the clamping voltage @ IPP for the 1SMC33AT3G?
A: The clamping voltage @ IPP is 53.3 V.
- Q: What is the ESD rating of the 1SMC33AT3G?
A: The ESD rating is Class 3 (> 16 kV) per Human Body Model.
- Q: In what package is the 1SMC33AT3G available?
A: It is available in the SURMETIC (Pb-Free) package.
- Q: What is the operating temperature range of the 1SMC33AT3G?
A: The operating temperature range is -65°C to +150°C.
- Q: Can the 1SMC33AT3G be used for ESD protection?
A: Yes, it offers some level of ESD protection, but it is primarily designed for voltage regulation and transient suppression.
- Q: What are some common applications for the 1SMC33AT3G?
A: Common applications include communication systems, automotive systems, numerical and process controls, medical equipment, and power supplies.
- Q: How do I ensure proper usage of the 1SMC33AT3G in my circuit?
A: Ensure proper polarity and rating compatibility. Refer to the datasheet for detailed usage instructions and application circuit diagrams.
