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CRF Series
MEDER electronic
7 GHz High Frequency Reed
Relay for 50 ? Impedance
DESCRIPTION
The MEDER CRF Reed Relay Series is a low-profile
device made with a ceramic case that exactly matches
the thermal coefficient of expansion of the Reed Switch
glass and the reed lead to eliminate any potential
packaging stress. Capable of switching up to 7 GHz
FEATURES
with <40 ps rise times for digital operations, this leadless
50 Ohm reed relay is the smallest in the industry and
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Ceramic / thermoset molded package
Patent pending
Smallest in the industry
No lead frame surface mount design eliminates
skewing of leads and coplanarity issues
Minimum path length for RF
Up to 7 GHz switching frequencies
Ability to switch fast pulses with rise times of 40 pico
seconds or less
Available with BGA
Internal magnetic shield standard
switches into the billions of operations.
This Relay has 1 μ V typical thermal offset voltage.
Measuring only 8.6 mm x 4.4 mm x 3.4 mm, the leadless
design eliminates skewing of leads and coplanarity
issues.
APPLICATIONS
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Very low profile
Gold plated leads for high conductivity RF path
Low thermal offset typical 1 μV
TCE matching of all internal components
Insulation resistance typical 1014 ohms
3 Volt option available
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Test and measurement
Medical Equipment
Telecommunications
High frequency applications
DIMENSIONS (Non-BGA)
*All dimensions in mm (inch)
PIN OUT
(Top View)
PCB LAYOUT
3.60
[0.1417]
1.20 ? 0.95
0.50
[0.0472] [ ? 0.0031]
[0.0197]
0.70
10x R0.475
[0.0276]
[0.187]
1.20
[0.0472]
3.125
0.95
[0.0374]
[0.123]
PAD LAYOUT
(Bottom View)
9.60
[0.378]
www.meder.com
134
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