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LCDP1521：Dual protection for single voltage SLICs

This device has been designed to protect 2 new high voltage, as well as classical SLICs against transient overvoltages.

Positive overvoltages are clamped by 2 diodes. Negative surges are suppressed by 2 thyristors, their breakdown voltage being referenced to -V_BATthrough the gate.

This component presents a very low gate triggering current (I_GT) to reduce the current consumption on printed circuit boards during the firing phase.

Key Features

• dual-line programmable transient voltage suppressor
• wide negative firing voltage range
• VMGL = -150 V max.
• low dynamic switching voltages: VFP and VDGL
• low gate triggering current: IGT = 5 mA max.
• peak pulse current: IPP = 20 A (10/1000 μs)
• holding current: IH = 150 mA min.
• Benefits
  • A Trisil™ is not subject to ageing and provides a fail safe mode in short circuit for better protection.
  • Trisils are used to help equipment meet various standards such as UL1950, IEC 950 / CSA C22.2, UL1459 and FCC part68.
  • Trisils have UL94 V0 approved resin.
  • Trisils are UL497B approved (file: E136224).

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