PWR05GTRCA2201N datasheet, PDF

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PWR05GTRCA2201N: DescriptionPWR Pulse Withstanding Chip Resistors; File Size396KB，7 Pages; ManufacturerToken Electronics Industry Co., Ltd.; Websitehttp://www.token.com.tw/

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PWR05GTRCA2201N Overview

PWR Pulse Withstanding Chip Resistors

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TOKEN

PWR Pulse Withstanding Chip Resistors

Pulse Withstanding

Chip Resistors

Token (PWR) Pulse Withstanding Chip Resistors

Provide 50 Percent Increase in Power Dissipation

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As electronic design engineers have increased the power density of their equipment, the demand for smaller

surface mount single-chip circuit protection resistors has also increased. Token developed the PWR Series

resistors to provide an economical alternative to bulky molded wirewound components or multi-chip solutions

while saving both PC board space and manufacturing costs.

To meet the increased demand for the PWR Series resistors, Token has developed a series of pulse withstanding

chip resistors with improved power ratings in reduced surface mounted sizes. Designated the PWR Series, the

chip resistors deliver up to 50 percent higher power ratings than conventional surface mount resistors - up to

1.5W in a standard 2512 size chip.

Token is able to boost this power rating up to 50 percent through a

combination of proprietary power film materials and advanced

manufacturing processes. The PWR Series Resistors are available

in four standard sizes (0805, 1206, 2010 and 2512) with power

ratings from 0.125W to 1.5W, and maximum operating voltage

ratings for 100V to 500V. Resistance range is from 10 Ω to

20 MΩ, with tolerance tight to 0.5 percent. The PWR meets

restriction of hazardous substances RoHS directive and RoHS

compliance.

Along with the increased power ratings, the PWR Series resistors also feature high surge and high voltage

ratings, making them extremely stable in demanding surge and pulse environments. The PWR Series chip

resistors are specified for use in power supplies, circuit protection devices, portable battery chargers, motor

controls and line-powered equipment.

Token will also produce devices outside these specifications to meet specific customer requirements, please

contact our sales for more information.

Features

- High Power Rating .

- Tolerance from ±0.5%~5%.

- Improved Working Voltage Ratings.

- Excellent Pulse Withstanding Performance.

- Standard Package sizes of 0805, 1206, 2010,

and 2512.

Applications

- Power Supplies, Diagnostic Equipment.

- Industrial Controls, LCD Video Monitors.

- Portable Battery Chargers, Medical Devices.

- Motor Controls and Line-Powered Equipment.

- Metering (Testing/Measurement), Circuit

Protection Devices .

Version 2010

http://www.token.com.tw/

rfq token.com.tw

01 of 07

TOKEN

PWR Pulse Withstanding Chip Resistors

Application & Soldering Notes

Today’s electronic devices are becoming smaller and smaller. The requirement, in particular, for pulse withstand

capability is growing due to the need to protect sensitive modern electronic systems.

To meet this demand Token Electronics have designed a Pulse Withstanding Chip Resistor (PWR Series). The

enhanced performance of the chips is made possible by the precise use of the best resistance inks and a closely

controlled production process.

Application Notes:



Applications vary from line protection for telecommunications to surge withstanding resistors for use in

circuit breakers. Details of a typical telecomm and power supply application are given below.



Telephone lines can be subjected to a large range of voltage disturbances, many of which can damage

switching equipment. This has led to the need for circuit protection against both high voltage transients,

usually of short duration caused by lighting strikes and overloads of longer duration, due to direct

connection to mains power lines.



These two faults are separated into primary and secondary protection.

- Primary protection handles the high voltage transients, and is usually located within the exchange.

- Secondary protection is usually built into the equipment to be protected, and deals with both

current and voltage limiting.



Voltage limiting prevents damage to the equipment and shock hazards, and current limiting prevents

damage to wiring.



To determine the suitability of a PWC series chip resistors for your application refer to the pulse

withstanding data as given lighting surge performance using both 1.2/50μs and 10/700μs pulse shapes.

Soldering Notes:



Electrical connection to a ceramic substrate or to a printed circuit board can be made by reflow or wave

soldering of wrap-around terminations.



Wrap-around terminations provide good leach properties and ensure reliable contact.



Due to the robust construction, the PWR can be immersed in the solder bath for 30 seconds at 260°C.



This enables the resistor to be mounted on one side of a printed circuit board and wire-leaded components

applied on the other side.



PWR resistors themselves can operate at a maximum temperature of 155°C.



For soldered resistors, the joint temperature should not exceed 110°C.



This condition is met when the stated power levels at 70°C and recommended pad and trace areas

are used.



Allowance should be made if smaller areas of copper are used.

04 of 07

http://www.token.com.tw/

rfq token.com.tw

Version 2010

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