PTC THERMISTORS: YS4019, YS4020,YSM4021

PTC THERMISTORS: YS4019, YS4020,YSM4021
OVER-CURRENT PROTECTION
DESCRIPTION:
A range of three high voltage PTC thermistors.
Types YS4019 & YS4020 have radial wires and a
conformal coating; type YSM4021 has a lead
frame construction suitable for surface mount
applications.
FEATURES:
Designed for over-current and over-voltage
protection at voltages up to 1000V r.m.s.
Ability to withstand direct connection to 1000V
r.m.s. supply
Suitable for resettable input protection of
digital multimeters and other instrumentation
Excellent stability
Fail-safe operation
Solid state
High performance barium titanate ceramic
OPTIONS:
Non-standard resistances and tolerances
Resistance matching
Non-standard wire lengths
Other wire configurations
DATA:
Tolerance on R25 .....................................