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Circuit Protector is designed for automotive wire harnesses.

February 4, 2008 - Providing resettable overcurrent protection for passenger vehicle and heavy truck wire harnesses, PolySwitch BD280 bladed device has 2.8 mm form factor to facilitate one-to-one replacement of mini-sized fuses and Type II bimetal circuit protection devices in 12 V vehicle systems. Rated for operating temperatures between -40 and +125ºC, device provides constant power consumption across 4-14 V voltage range, and is available in current ratings of 10, 15, 20, 25 and 30 A.

Related categories: Electrical Equipment and Systems | Transportation Industry Products

Press Release
Release date: January 25, 2008

Tyco Electronics' New Polyswitch(TM) Bladed Device Helps Provide Resettable Circuit Protection for Automotive Wire Harnesses

MENLO PARK, Calif. - January 25, 2008 - Tyco Electronics , the world's leading passive electronic components manufacturer, announced today the introduction of a new line of Raychem Circuit Protection PolySwitch(TM) devices for the automotive market. Useful in helping to provide resettable overcurrent protection for passenger vehicle and heavy truck wire harnesses, the PolySwitch bladed contact device features a 2.8 mm form factor to facilitate easy, one-to-one replacement of mini-sized fuses and Type II bimetal circuit protection devices in 12V vehicle systems.

Unlike Type II bimetal circuit breakers - which typically cycle several times before latching - the PolySwitch BD280 device features a no-moving parts design with a resistance switching action that latches immediately following an overcurrent tripping condition that causes the resistance of the device to increase to a high value. Such latching occurs even at lower battery voltage and low environmental temperatures. Since the device has no contacts to arc, erode or weld together, the resettable PolySwitch device offers longer life than bimetal breakers and can provide more reliable performance.

The PolySwitch BD280 device is a constant wattage device, providing virtually constant power consumption across a voltage range of 4V to 14V. The device's low power dissipation and flatter thermal derating result in less thermal crosstalk between devices than a Type II bimetal circuit breaker. Rated for operating temperatures between - 40ºC and +125ºC, the PolySwitch BD280 device passes more current at higher temperatures than bimetal circuit breakers and is suitable for harsh underhood applications.

The solid-state construction of the PolySwitch BD280 series provides high resistance to shock, vibration and rough handling. The bright color-coded housing and rated current value printed on the top of the device make replacement of automotive fuses and bimetal breakers easy, and help prevent installation errors. The device also incorporates two exposed probe points to facilitate inspection and faultfinding.

The PolySwitch BD280 device is used to help provide resettable overcurrent protection for power window, power seat, and power outlet circuits. Available in current ratings of 10A, 15A, 20A, 25A and 30A, the devices meet all applicable SAE and ISO standards.

Published Price: $1.00 per piece
Availability: Now
Delivery: 6-8 weeks

ABOUT TYCO ELECTRONICS

Tyco Electronics Ltd. is a leading global provider of engineered electronic components, network solutions, wireless systems and undersea telecommunication systems, with fiscal 2007 sales of US$13.5 billion to customers in more than 150 countries. We design, manufacture and market products for customers in industries from automotive, appliance and aerospace and defense to telecommunications, computers and consumer electronics. With approximately 8,000 engineers and worldwide manufacturing, sales and customer service capabilities, Tyco Electronics' commitment is our customers' advantage. More information on Tyco Electronics can be found at http://www.tycoelectronics.com/.

Contacts:
Product Communications
Kenzie Ferguson
Manager, Global Marketing Communications
Tyco Electronics
Raychem Circuit Protection Products
PH: (800) 227-7040
kenzie.ferguson@tycoelectronics.com

Product Communications
Guillemette Paour
Global Marketing Manager - Automotive
Tyco Electronics
Raychem Circuit Protection Products
PH: +33 1 34 20 21 06
gpaour@tycoelectronics.com

Contacts:

Marketing:
Kenzie Ferguson Manager, Global Marketing Communications
USA
Phone: 800-227-7040

E-mail this person

Company Information:
Name: Tyco Electronics/Raychem.
Address: 305 Constitution Dr., Mailstop R17-1A
City: Menlo Park
State: CA
ZIP: 94025-1164
Country: USA
Phone: 800-926-2425
FAX: 800-611-2323
http://www.raychem.com

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