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To make the TTIAsia.com experience more targeted and user-friendly, TTIAsia.com (and selected third parties) use “cookies” on this website. This technology helps us gather statistical and analytical information for personalization purposes, but the choice to accept the cookies is always yours.

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.

These cookies allow us to understand how the website is being used and how it is performing so that we can make improvements to your experience. By allowing these cookies you help us understand which pages are most important, and which are less so and where work may need to be done to improve the speed or content of our pages. These cookies may be set by us, or they may be set by providers whose tools we use to help in our analysis.

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TT Electronics ULW Wirewound Resistors

TT Electronics ULW Wirewound Resistors provide fusible protection for circuits exposed to overload, inrush, and surge conditions. These resistors feature a ceramic rod, wirewound element, welded terminations, and flameproof fusible cement coating. The ULW series operates over a temperature range from -55°C to +200°C and offers power ratings from 2W to 5W at 25°C. These resistors have UL1412 recognition and UL94-V0 flameproof construction. Applications include white goods and main inrush limiting.

Features

cRUus certification
Inrush and surge condition resistance
UL1412 recognized fusible resistor construction
UL94-V0 flame resistant coating
ZI-formed leads for surface mount assembly

Applications

LED lighting application
Main inrush limiting
Transient overvoltage protection
White goods

Technical Specifications

Parameters	Values
Isolation Voltage	250V, 350V, and 500V
Operating Temperature Range	-55°C to +200°C
Resistance Range	1R0Ω to 100RΩ
Resistance Tolerance	±5%
Temperature Coefficient of Resistance (TCR)	±200ppm/°C