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Home > Frequency Management International (FMI) > HI-TEMP XTALFMI HI-TEMP XTAL Distributor
4 Star Electronics is the premier Authorized Distributor of Frequency Management International crystals and oscillators. FMI manufactures the most reliable High-Temperature XTALs in the industry. Our direct relationship with FMI ensures you receive the best pricing and the highest level of quality assurance. 4 Star’s commitment to customer satisfaction is unmatched. To procure High Temperature Crystals please call our Sales Team at 949-276-5225 or email sales@4starelectronics.com. You can also use our Request A Quote form to inquire online.
FMXTHT Hi Temp Crystals ![]() |
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Thru-Hole |
High-Temperature High-Reliability Resistant to High-Shock & Vibration |
TO-5 HC-49/U, UM-1 UM-5 |
4-125 MHz | 0°C to +200°C | custom
at +25ºC ----------- custom over temp. |
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FMXTHC7S Hi-Temp Crystals ![]() |
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SMD | High-Temperature
High-Reliability
Resistant
to High-Shock & Vibration |
Ceramic, 7x7mm | 4.2-125 MHz | 0°C to +200°C | custom
at +25ºC ----------- custom over temp. |
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FMXTHC5S Hi-Temp Crystals ![]() |
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SMD | High-Temperature
High-Reliability
Resistant
to High-Shock & Vibration |
Ceramic, 5x7mm | 10-125 MHz | 0°C to +200°C | custom
at +25ºC ----------- custom over temp. |
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FMXTHTO5 Hi-Temp Crystals ![]() |
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TO-5 & TO-5 LP |
High-Temperature
High-Reliability
Resistant
to High-Shock & Vibration |
TO-5 & TO-5 Low Profile |
4.2-125 MHz | -55°C to +220°C & beyond |
custom
at +25ºC ----------- custom over temp. |
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Extreme
Temperature Brochure ![]() |