Small true SMT high frequency reed relay
9 August 2006
Switches, Relays & Keypads
The Meder CR Series Reed Relay uses an innovative ceramic substrate design with gold plated leads, taking the leads from internal connections to external board connections, eliminating lead frame skewing and co-planarity issues.
Available with or without ball grid arrays, (BGA), the low-profile, CRF, RF relay and the CRR, DC switching relay, measure only 8,6 x 4,4 x 3,4 mm, have 1 Form-A contact, and can switch up to 10 W with individual maximums of 0,5 A and 210 V.
Typical insulation resistance to all points is >1014 Ω, with coil to switch isolation of 1500 V d.c. minimum.
The 50 Ω CRF-Series is capable of switching signal frequencies up to 7 GHz with less than 1 dB insertion loss, as well as fast digital pulses with rise times of 40 ps or greater. The high thermal conductivity of the ceramic substrate makes it a superior iso-thermal platform, virtually eliminating thermal offset voltages across the switch.
The CR Series is compatible with standard reflow techniques, with a maximum allowable temperature of 260°C.
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