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These cookies are necessary for our website to function and cannot be deactivated. As a rule, these cookies enable our website’s proper functioning and support critical features that you have requested such as the maintaining of your shopping cart and maintaining your session when you have logged in as a customer. Your browser can be set to block cookies or inform you of their use. Blocking these technical cookies will result in the website not functioning as intended.

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TT Electronics WHS Wirewound High Surge Resistors

TT Electronics WHS Wirewound High Surge Resistors are designed with overload and short pulse capability, with power ratings from 2W to 10W at 25°C and 5 second overload ratings from 10W to 50W. The WHS resistors use a high purity ceramic substrate with a wirewound resistive element, welded terminations, and a flameproof silicone cement coating. These resistors operate within a temperature range from -55°C to +200°C and find applications in process control, medical, and energy meters.

Features

Enhanced surge and pulse handling
Non inductive construction option
UL94-V0 flameproof protection
ZI-form surface mount option

Applications

Battery chargers
Energy meters
Lighting balance
Medical PSU
Process control
White goods

Technical Specifications

Parameters	Values
Isolation Voltage Range	250V to 1000V
Maximum Thermal Impedance	110°C/W
Operating Temperature Range	-55°C to +200°C
Power Rating Range at 25°C	2W to 10W
Temperature Coefficient of Resistance (TCR)	±200ppm/°C