New low-resistance SMD series helps save space, cost and power consumption in mobile electronics

September 18, 2012 // By Paul Buckley
TE Circuit Protection, a business unit of TE Connectivity Ltd., has released a new family of nine low rho (low-resistance) SMDs designed for space-constrained mobile applications.

The devices help provide both overcurrent and overtemperature protection for the battery pack PCMs (protection circuit modules) used in compact consumer devices such as smartphones, MP3/4 players and portable GPS units. The low rho SMD series addresses a need in the consumer-driven mobile device market for a low-cost, low power consumption and flexible solution for today’s increasingly compact products.

Manufacturers of handheld consumer products require the smallest possible components that occupy the least amount of board space while helping reduce production costs. Fulfilling these demands, the low rho SMD products provide low-resistance in an industry-standard form factor of 1210 (3.0 × 2.54 mm; or 0.12 × 0.10inch), 1206 (3.0 × 1.52 mm; or 0.12 × 0.060 inch), or 1812 (3.0 × 4.57 mm; or 0.12 × 0.18 inch) thus meeting board space requirements. In addition, these devices can be assembled with a reflowable soldering technique, as opposed to the spot welding process required by many other components, to save board space and reduce production costs.

The low rho SMD device resistance is just 10 to 25 milliohms after reflow process. The devices’ low resistance helps reduce power consumption and improve battery efficiency. The nine new devices in the low rho SMD series are all designed for an operating current of 2 A and above.

Availability and Pricing

The family of low rho SMDs are available now and priced at $0.15 at 100K pieces

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