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Surge suppressor for wired PWS.

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DanS:

--- Quote from: cybog on February 10, 2016, 11:56:11 AM ---hi ,,

thank you for shearing this.. & i wont to know my telephone line around 50-70 volt when it ringing so  is this TVS diodes (1.5KE6.8c) clamping low voltage than ringer voltage how is it going to work

--- End quote ---
I'm not clear with your question. Are you making this surge suppressor to use for your home telephone line or your wired weather station? That TVS diode should be fine for your weather station but not with your telephone line.

cybog:
Thank you ..for your replay now i understand it..  i have made rj11 telephone surge protector same way but MOV values are different  (10D271k) ..can you tell me best TVS diode for it

DanS:
For a telephone line I believe I remember seeing something in the low/mid 100 volt range, like 1.5ke130ca for example (130 volt clamp).

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