Description
The SMAJ11CA is a surface-mountable, single-directional TVS (Transient Voltage Suppressor) diode from Littelfuse. It has a voltage rating of 11V and a power dissipation of 400W. This device is designed to protect electronic circuits from voltage transients and surges.
The SMAJ11CA features a low profile package, built-in strain relief, and glass passivated junction for improved reliability. Its fast response time and high clamping capability make it suitable for applications where electromagnetic interference (EMI) and radio-frequency interference (RFI) are concerns.
This TVS diode is RoHS compliant and halogen-free, making it a popular choice for modern electronics designs that require compactness, reliability, and environmental sustainability. Its operating temperature range is -40°C to 125°C, and it can withstand high-temperature soldering up to 250°C.
Features
According to the product information, the features of SMAJ11CA are:
- Halogen-Free and RoHS compliant
- For surface mounted applications in order to optimize board space
- Low profile package
- Built-in strain relief
- Glass passivated junction
- Low Inductance
- Excellent clamping capability
- Repetition Rate (duty cycle): 0.01%
- Fast response time: typically less than 1.0ps from 0 Volts to V(BR) for unidirectional types.
- Typical IR less than 1mA above 10V
- High temperature soldering: 250 degrees C/10 seconds at terminals
- Plastic package has Underwriters Laboratory Flammability 94V-O
Package
The package type of SMAJ11CA is DO-214AC, also known as SMA (Small Metal Can).
Pinout
According to the product information, the SMAJ11CA has a 2-pin package, specifically an SMA (Surface Mount Array) package with a DO-214AC footprint.
The two pins are for:
- Pin 1: Cathode (-)
- Pin 2: Anode (+)
This is a bi-directional TVS diode, meaning it can conduct current in both forward and reverse directions.
Manufacturer
The manufacturer of the SMAJ11CA is Littelfuse, a leading global manufacturer of electronic components, including fuses, switches, and protectors.
Applications
Based on the provided information, I do not find any explicit mention of application areas for SMAJ11CA. However, considering its features, such as low profile package, built-in strain relief, and glass passivated junction, it is likely used in surface-mounted applications to provide overvoltage protection (OVP) or electromagnetic interference (EMI) filtering in devices with high input/output voltage levels, such as telecommunications equipment, computers, and consumer electronics.
Equivalent
Based on the product information, SMAJ11CA is a TVS diode with specific features and characteristics. Equivalent products would likely be other TVS diodes from Littelfuse or other manufacturers that offer similar specifications, such as:
- Littelfuse's own SMAJ12A, SMAJ15A, or SMAJ20A
- Other manufacturers' equivalent products, such as ON Semiconductor's SMBJ11A, Vishay's 1N7463, or STMicroelectronics' SMBB11A
Please note that exact equivalents may not exist, but these options would likely provide similar performance and characteristics.
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