The recommended footprint and land pattern for the 1SMA28AT3G can be found in the Littelfuse application note AN9313, which provides guidelines for surface mount assembly of TVS diodes.
To ensure proper soldering, follow the recommended soldering profile and guidelines outlined in the Littelfuse application note AN9313. Additionally, use a solder with a melting point below 260°C to prevent thermal damage to the device.
The 1SMA28AT3G has an operating temperature range of -65°C to 150°C, but the maximum operating temperature range for reliable operation is -40°C to 125°C.
While the 1SMA28AT3G is primarily designed for transient voltage suppression, it can be used in high-frequency applications up to 1 GHz. However, the device's performance may degrade at higher frequencies due to parasitic inductance and capacitance.
To select the correct TVS diode, consider the following factors: working voltage, peak pulse current, clamping voltage, and response time. Consult the Littelfuse TVS diode selection guide or consult with a Littelfuse application engineer for assistance.
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