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Frequency Management Int'l
15302 Bolsa Chica Street
Huntington Beach, CA
92649-1245

Tel: 714 373 8100
USA: 800 800 9825
Fax: 714 373 8700
EXTREME ENVIRONMENT PRODUCTS: Crystals | Oscillators | VCXOs | Sensors
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HI-REL | HIGH-TEMPERATURE - CRYSTALS

High Temperature Crystals manufactured by Frequency Management International offer high quality
quartz crystal solutions in Thru-hole & SMD (surface mount) packages. Applications
include oil drilling, geothermal, commercial space, aircraft engine,
aerospace and military, and industrial instrumentation.
We offer a wide variety of standard & custom quartz crystals
for your high-rel (high-reliability), high-temperature,
and rugged quality critical applications -
resistant to High-Shock and Vibration.

Hi-Temperature Ceramic SMD and Thru-hole Packaged Crystals
High-Shock and Vibration Designs
Model Picture Size Style Frequency Range Temp Range Max Notes
FMXTHT HI-TEMP Crystals Various
TO-5, HC-49/U
UM-1, UM-5
2 & 3 Lead 1.8 MHz to 125 MHz -100ºC to +300ºC Custom Packages also Available
FMXTHC7S Hi-Temp 7 x 7 SMD Crystals 7 x 7 mm Ceramic
4 Pad SMD
3.6 MHz to 125 MHz -150ºC to +240ºC Lower height version available, please inquire
FMXTHC5S Hi-Temp 5 x 7 SMD Crystals 5 x 7 mm Ceramic
4 Pad SMD
8 MHz to 125 MHz -150ºC to +240ºC -150ºC to +300ºC available, please inquire
FMXTHTO5 Hi-Temp TO-5 Crystals 9 mm DIA
TO-5 &
TO-5 Low-Profile
3 Lead
3.9 MHz to 125 MHz -55ºC to +220ºC 8 Lead version available, please inquire
FMXTHC3S 5 x 3.2 mm 5 x 3.2 mm 4 Pad SMD 12 MHz to 100 MHz 0ºC to +200ºC 2 Pad Option Available
FMXTHTMB HC-49/US HiTemp HC-49/US 2 Lead 3.5 MHz to 90 MHz 0ºC to +200ºC  
 
Hi-Temperature | Extreme Temperature Brochure