L3100B STMicroelectronics, L3100B Datasheet - Page 7

• Manufacturer Part Number: L3100B
• Description: OVERVOLTAGE AND OVERCURRENT PROTECTION FOR TELECOM LINE
• Manufacturer: STMicroelectronics

L3100B/L3100B1
Ground key telephone set Protection
PROTECTION MODES :
ON HOOK = Ringer circuit protection is ensured with breakdown voltage at 265 V.
OFF HOOK = In dialing mode and in speech mode, the breakdown voltage of L3100B can be adapted to
different levels with zener diodes.
ORDER CODE
L3100 B 1
VERSION.
= VBR = 265 V
1 = VBR = 255 V
MARKING :
Logo, Date Code,part Number.
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