See datasheet for actual packaging/pinout drawings


Package | PIN:

DRV | 6


Q (-40 to 125)

ECO Plan:



18V Flat-Clamp Surge Protection Device

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Texas Instruments PTVS1800DRVR

The TVS1800 Flat-Clamp diode is a transient voltage suppressor which provides robust protection for circuits exposed to high transient voltage events. The IC is designed to protect against 40 A of IEC61000-4-5 surge current, robustly protecting systems in harsh industrial environments. Unlike traditional TVS diodes, the TVS1800 regulates with a feedback mechanism to ensure precise flat clamping protection below 25 V during a fault. The lower clamping enables a unique protection solution that can significantly lower the voltage a system is exposed during a surge event. This allows designers to confidently select downstream system components with a lower voltage rating, lower system costs and complexity without sacrificing robustness.

In addition, the TVS1800 ultra low leakage and low capacitance enable an input protection stage that has less effect on system operation than traditional TVS diodes. Typical leakage of 300 pA at 18 V is smaller than comparable conventional technology, assuring low power dissipation. The device capacitance of 120 pF is also much lower than typical TVS diodes, lowering distortion on sensitive analog input signals and increasing system flexibility.

The TVS1800 is available in a small 2×2 SON footprint which is ideal for space constrained applications, offering a 70 percent reduction in size compared to industry standard SMA and SMB packages. The unique precision surge technology allows the TVS1800 to dissipate large surge currents even in a small package, helping system designers save space without sacrificing robustness.

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