SIT9025AM-23H33SA25.000000
SiTime
SIT9025AM-23H33SA25.000000
SiTime
MEMS OSC XO 25.0000MHZ LVCMOS
Reference Price (USD)
1+
$24.61000
500+
$24.3639
1000+
$24.1178
1500+
$23.8717
2000+
$23.6256
2500+
$23.3795
Exquisite packaging
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SIT9025AM-23H33SA25.000000
$24.61
Product details
The SIT9025AM-23H33SA25.000000 by SiTime redefines Oscillators technology, specifically engineered for extreme-radiation environments in nuclear power monitoring systems. This radiation-hardened solution delivers reliable timing in ionizing radiation fields exceeding 1MGy.Featuring MEMS technology with sapphire insulation, the device maintains <1ppm frequency deviation after 10 years of continuous gamma exposure in reactor vessel instrumentation.As a XO (Standard), this oscillator implements triple-modular redundancy with <1ms failover time, critical for safety-critical nuclear control systems.Operating at 25 MHz with radiation-induced phase error correction, the solution meets IEC 61508 SIL 3 requirements for reactor protection systems.Standby (Power Down) capability enables failsafe timing for emergency core cooling system activation.The LVCMOS configuration includes fiber-optic isolation for noise immunity in high-electromagnetic-interference containment buildings.With 3.3V operating range, the device maintains operation during station blackout scenarios with backup power fluctuations.Achieving ±50ppm stability with neutron flux compensation, the oscillator enables precise timing in neutron flux monitoring chambers.Rated for -55°C ~ 125°C operation, the device withstands LOCA (Loss-of-Coolant Accident) steam conditions.Implementing ±0.125%, Center Spread modulation, the oscillator reduces interference with sensitive radiation detector readouts.The 9.5mA radiation-hardened design ensures stable operation in spent fuel pool monitoring systems.Compliant with AEC-Q100 nuclear safety standards, the device undergoes accelerated aging tests equivalent to 40 years of operation.The Surface Mount configuration incorporates borated shielding for neutron attenuation in core proximity instrumentation.The 4-SMD, No Lead package features zirconium alloy encapsulation for corrosion resistance in primary coolant loops.With 0.126" L x 0.098" W (3.20mm x 2.50mm) compact form factor, the oscillator fits within robotic inspection crawlers for reactor pressure vessels.The 0.031" (0.80mm) low-profile design enables installation in fuel rod gap monitors.
Product Attributes
- Product Status: Active
- Base Resonator: MEMS
- Type: XO (Standard)
- Frequency: 25 MHz
- Function: Standby (Power Down)
- Output: LVCMOS
- Voltage - Supply: 3.3V
- Frequency Stability: ±50ppm
- Absolute Pull Range (APR): -
- Operating Temperature: -55°C ~ 125°C
- Spread Spectrum Bandwidth: ±0.125%, Center Spread
- Current - Supply (Max): 9.5mA
- Ratings: AEC-Q100
- Mounting Type: Surface Mount
- Package / Case: 4-SMD, No Lead
- Size / Dimension: 0.126" L x 0.098" W (3.20mm x 2.50mm)
- Height - Seated (Max): 0.031" (0.80mm)
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