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SMP100LC Datasheet(PDF) 6 Page - STMicroelectronics

Part No. SMP100LC
Description  TRISILTM FOR TELECOM EQUIPMENT PROTECTION
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Maker  STMICROELECTRONICS [STMicroelectronics]
Homepage  http://www.st.com
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SMP100LC Datasheet(HTML) 6 Page - STMicroelectronics

 
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SMP100LC
6/10
Following figure shows the test method of the
board having Fuse and Trisil.
Following curve shows the turn on of the Trisil during
lightning surge.
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.
Test conditions:
2/10µs + and -2.5 and 5kV 500A (10 pulses of each
polarity), Tamb = 25°C
Test result:
Fuse and Trisil OK after test in accordance with
GR1089 requirements
Following curve shows Trisil action while the fuse
remains operational.
In case of high current power cross test, the fuse acts
like a switch by opening the circuit.
Test conditions:
600V 3A 1.1s (first level), Tamb = 25°C
Test result:
Fuse and Trisil OK after test in accordance with
GR1089 requirements
Test conditions:
277V 25A (second level), Tamb = 25°C
Test result:
Fuse safety opened 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)
I surge (2A/div)
V (100V/div)
I surge (10A/div)
V (100V/div)


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