Application information

SMP100LC

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Figure 11.

Test method of the board with fuse and Trisil

These topologies, using SMP100LC from ST and TCP1.25A from Cooper Bussmann, have

been functionally validated with a Trisil glued on the PCB. Following example was performed

with SMP100LC-270 Trisil. For more information, see Application Note AN2064.

Figure 12.

Trisil turns on during lightning strike

Test conditions:

Test result:

Fuse and Trisil OK after test in accordance with GR1089 requirements.

Surge

Generator

Device to be protected

V

Oscilloscope

I surge

Line side

Voltage probe

Current probe

Test board

I surge (100A/div)

V (50V/div)