Providing overvoltage protection of broadband driver amplifiers, the SIDACtor TwinChip SDP Series limits DSL secondary line voltage to a safe 43-V peak level. Offered in a 0.118 x 0.118 x 0.39-in. QFN package, the SMT protection devices feature surge current ratings up to 100 A.
Installed on the secondary side of coupling transformers ahead of the driver amplifier, the protection devices are not connected to the ground reference or the power rail, preserving the differential isolation provided by the transformer. (Contact Dan Stanek for pricing—stock to 10 weeks ARO.)
Littelfuse , Des Plaines , IL
Dan Stanek 847-391-0714
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