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1187
  • 1187

1187

In Production

The 1187 is a Radiation Tolerant, Space Qualified, Crystal Oscillator (Clock) governed by Hi-Rel Standard OS-68338. When ordered, flight units utilize Swept Quartz, a 3-point Crystal Mount, Class K Element Evaluation IAW MIL-PRF-38534, and Class S Screening IAW MIL-PRF-55310. Engineering Models (EM) are fit, form, and functional equivalents of the Flight Models (FM) and can withstand the same environmental envelope less radiation. Please see OS-68338 for the multitude of design, assembly, inspection, and test options that can be selected or added by purchase order request....

Microchip Technology 1187 Product Info

16 April 2026 0

Features

  • Frequency Range: 750 kHz kHz to 100 MHz
  • Supply: 3.3V or 5V
  • Output: ACMOS
  • Temperature Stability: +/-50ppm over -55°C to +125°C
  • Total Ionizing Dose (TID) Tolerance: 100krad(Si)
  • Destructive Single Event Effect (SEL) Tolerance: 120 MeV
  • Non-Destructive Single Event Effect (SET/SEU) Tolerance: 40 MeV
  • Screening Options: Class S, K, or B
  • Enclosure: Lead Formed Outward Gullwing
  • Dimensions: 5 x 7 x 3 mm
  • Weight: 0.2 grams

    • Description

    The 1187 is a Radiation Tolerant, Space Qualified, Crystal Oscillator (Clock) governed by Hi-Rel Standard OS-68338. When ordered, flight units utilize Swept Quartz, a 3-point Crystal Mount, Class K Element Evaluation IAW MIL-PRF-38534, and Class S Screening IAW MIL-PRF-55310. Engineering Models (EM) are fit, form, and functional equivalents of the Flight Models (FM) and can withstand the same environmental envelope less radiation. Please see OS-68338 for the multitude of design, assembly, inspection, and test options that can be selected or added by purchase order request.

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