Overview
The SMCJ33A-TR, produced by STMicroelectronics, is a Transient Voltage Suppressor (TVS) diode designed to provide protection against voltage spikes and transient events in electronic circuits. This unidirectional TVS diode is packaged in the DO-214AB (SMC) format, making it suitable for surface mount applications where space optimization is crucial.
Key Specifications
| Property | Value |
|---|---|
| VR (Vso) | 33 V |
| Peak Pulse Power (10/1000 µs) | 1500 W |
| Peak Pulse Current (8/20 µs) | 155.1 A |
| Minimum Breakdown Voltage (VBR) | 36.7 V |
| Maximum Breakdown Voltage (VBR) | 40.6 V |
| Clamping Voltage (Vc) | 53.3 V |
| Operating Temperature Max | 150 °C |
| Package | DO-214AB (SMC) |
| Uni / Bi-Directional | Unidirectional |
| Leakage Current at VR | 1 µA |
Key Features
- Halogen-free and RoHS compliant
- Low profile package with built-in strain relief
- Glass passivated junction for reliability
- Low inductance for fast response times
- Excellent clamping capability to protect against transient voltages
- Fast response time: typically less than 1 ps from 0 V to VBRmin
- Repetition Rate (duty cycle): 0.05%
Applications
The SMCJ33A-TR is suitable for a variety of applications requiring transient voltage suppression, including:
- Power supplies and DC-DC converters
- Telecommunication equipment
- Automotive systems
- Industrial control systems
- Consumer electronics
Q & A
- What is the peak pulse power of the SMCJ33A-TR?
The peak pulse power of the SMCJ33A-TR is 1500 W (10/1000 µs) and up to 10 kW (8/20 µs). - What is the stand-off voltage of the SMCJ33A-TR?
The stand-off voltage (VR) of the SMCJ33A-TR is 33 V. - What is the package type of the SMCJ33A-TR?
The SMCJ33A-TR is packaged in the DO-214AB (SMC) format. - Is the SMCJ33A-TR RoHS compliant?
Yes, the SMCJ33A-TR is RoHS compliant and halogen-free. - What is the maximum operating temperature of the SMCJ33A-TR?
The maximum operating temperature of the SMCJ33A-TR is 150 °C. - What is the clamping voltage of the SMCJ33A-TR?
The clamping voltage (Vc) of the SMCJ33A-TR is 53.3 V. - Is the SMCJ33A-TR unidirectional or bidirectional?
The SMCJ33A-TR is a unidirectional TVS diode. - What is the leakage current at VR for the SMCJ33A-TR?
The leakage current at VR for the SMCJ33A-TR is 1 µA. - What are some common applications for the SMCJ33A-TR?
The SMCJ33A-TR is commonly used in power supplies, telecommunication equipment, automotive systems, industrial control systems, and consumer electronics. - Does the SMCJ33A-TR have built-in strain relief?
Yes, the SMCJ33A-TR has built-in strain relief.
