TISP4200H3BJ protectors equivalent, bidirectional thyristor overvoltage protectors.
Information and Figure 10 for voltage values at lower temperatures. Initially the TISP4xxxH3BJ must be in thermal equili.
These devices are designed to limit overvoltages on the telephone line. Overvoltages are normally caused by a.c. power system or lightning flash disturbances which are induced or conducted on to the telephone line. A single device provides 2-point pr.
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