Overview
The SMCJ20A-TR is a Transient Voltage Suppressor (TVS) diode designed to protect sensitive electronics from voltage transients. This component is part of the SMCJ series and is manufactured by STMicroelectronics, although the specific model is more commonly associated with Littelfuse and Vishay. It is optimized for surface mount applications, offering a low profile package that helps in optimizing board space.
Key Specifications
| Property | Value |
|---|---|
| VR (V standoff) | 20 |
| Watts (W) | 1500 |
| IPP 10x1000µs (A) | 46.3 |
| MIN VBR@IT (V) | 22.2 |
| MAX VBR@IT (V) | 24.5 |
| Vc (V) | 32.4 |
| IT (mA) | 1 |
| Ir@Vr (µA) | 1 |
| Operating Temperature Max (°C) | 150 |
| Package | DO-214AB |
| Uni / Bi-Directional | Unidirectional |
| Peak Pulse Power - 10x1000 (W) | 1500 |
Key Features
- Halogen-free and RoHS compliant
- Low profile package ideal for surface mount applications to optimize board space
- Built-in strain relief
- Glass passivated junction
- Low inductance
- Excellent clamping capability
- Fast response time: typically less than 1 ps from 0 V to Vbrmin
- Typical IR less than 1 mA above 10 V
Applications
The SMCJ20A-TR is used in various applications to protect sensitive electronics against voltage transients induced by inductive load switching and lightning. Common uses include:
- Consumer electronics
- Computer systems
- Industrial equipment
- Automotive systems
- Telecommunication devices
- Signal lines of sensor units
Q & A
- What is the primary function of the SMCJ20A-TR?
The primary function of the SMCJ20A-TR is to protect sensitive electronics from voltage transients and surges.
- What is the standoff voltage (VR) of the SMCJ20A-TR?
The standoff voltage (VR) of the SMCJ20A-TR is 20V.
- What is the peak pulse power dissipation of the SMCJ20A-TR?
The peak pulse power dissipation of the SMCJ20A-TR is 1500W.
- Is the SMCJ20A-TR RoHS compliant?
- What is the operating temperature range of the SMCJ20A-TR?
The operating temperature range of the SMCJ20A-TR is up to 150°C.
- What package type does the SMCJ20A-TR use?
The SMCJ20A-TR uses the DO-214AB package type.
- Is the SMCJ20A-TR unidirectional or bidirectional?
The SMCJ20A-TR is unidirectional.
- What is the typical response time of the SMCJ20A-TR?
The typical response time of the SMCJ20A-TR is less than 1 ps from 0 V to Vbrmin.
- What are common applications for the SMCJ20A-TR?
Common applications include consumer electronics, computer systems, industrial equipment, automotive systems, and telecommunication devices.
- Does the SMCJ20A-TR have built-in strain relief?
