Overview
The Yageo SMBJ20CA/TR7 is a transient voltage suppressor (TVS) diode designed for surface mount applications. This component is part of the SMBJ series, which is known for its low profile package and built-in strain relief, making it ideal for optimizing board space. The SMBJ20CA/TR7 is a bi-directional TVS diode, offering protection against transient voltages in both directions.
Key Specifications
| Parameter | Value | Units |
|---|---|---|
| Peak Pulse Power Dissipation | 600 | Watts |
| Reverse Stand-Off Voltage (VRWM) | 20 | Volts |
| Breakdown Voltage (VBR) | 22.22 - 24.50 | Volts |
| Maximum Clamping Voltage (VC) | 30.8 | Volts |
| Peak Pulse Current (IPP) | 19.4 | Amps |
| Reverse Leakage Current (IR) | 1 μA | Microamps |
| Operating Junction and Storage Temperature Range | -55 to +150 | °C |
| Typical Thermal Resistance Junction to Lead (RθJL) | 20 | °C/W |
| Typical Thermal Resistance Junction to Ambient (RθJA) | 100 | °C/W |
| Package Type | DO-214AA | |
| Package Quantity | 500 per Reel |
Key Features
- Low profile package to optimize board space
- Built-in strain relief
- Glass passivated junction
- Low inductance
- Excellent clamping capability
- 600W peak pulse power capability at 10/1000μs waveform
- Fast response time
- Typical IR less than 1μA above 12V
- High Temperature soldering: 260°C/10 seconds at terminals
- Plastic package with Underwriters Laboratory flammability 94V-0
- Meets MSL level 1, per J-STD-020
- Safety certification: UL, IEC61000-4-2 ESD 30KV Air, 30KV contact compliance
Applications
- I/O interface protection
- AC/DC power supply protection
- Low frequency signal transmission lines (e.g., RS232, RS485)
Q & A
- What is the peak pulse power dissipation of the SMBJ20CA/TR7?
The peak pulse power dissipation is 600 Watts at 10/1000μs waveform.
- What is the reverse stand-off voltage (VRWM) of this TVS diode?
The reverse stand-off voltage (VRWM) is 20 Volts.
- What is the breakdown voltage (VBR) range for the SMBJ20CA/TR7?
The breakdown voltage (VBR) range is 22.22 to 24.50 Volts.
- What is the maximum clamping voltage (VC) of this component?
The maximum clamping voltage (VC) is 30.8 Volts.
- What is the peak pulse current (IPP) of the SMBJ20CA/TR7?
The peak pulse current (IPP) is 19.4 Amps.
- What is the typical reverse leakage current (IR) of this TVS diode?
The typical reverse leakage current (IR) is less than 1 μA above 12V.
- What is the operating junction and storage temperature range for this component?
The operating junction and storage temperature range is -55 to +150 °C.
- What is the package type of the SMBJ20CA/TR7?
The package type is DO-214AA.
- How many units are in a standard reel package?
There are 500 units per reel.
- What safety certifications does the SMBJ20CA/TR7 meet?
The component meets UL, IEC61000-4-2 ESD 30KV Air, and 30KV contact compliance.
