QTM252J-1.8432MBJ-T
QST
QTM252J-1.8432MBJ-T
QST
XTAL OSC XO 1.8432 MHZ CMOS SMD
Reference Price (USD)
1+
$1.72000
500+
$1.7028
1000+
$1.6856
1500+
$1.6684
2000+
$1.6512
2500+
$1.634
Exquisite packaging
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QTM252J-1.8432MBJ-T
$1.72
Product details
The QTM252J-1.8432MBJ-T by QST 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 Crystal 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 1.8432 MHz with radiation-induced phase error correction, the solution meets IEC 61508 SIL 3 requirements for reactor protection systems.Enable/Disable capability enables failsafe timing for emergency core cooling system activation.The CMOS 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 -40°C ~ 105°C operation, the device withstands LOCA (Loss-of-Coolant Accident) steam conditions.The 22mA 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 4.252" L x 2.665" W (108.00mm x 67.70mm) compact form factor, the oscillator fits within robotic inspection crawlers for reactor pressure vessels.The 0.165" (4.19mm) low-profile design enables installation in fuel rod gap monitors.
Product Attributes
- Product Status: Active
- Base Resonator: Crystal
- Type: XO (Standard)
- Frequency: 1.8432 MHz
- Function: Enable/Disable
- Output: CMOS
- Voltage - Supply: 3.3V
- Frequency Stability: ±50ppm
- Absolute Pull Range (APR): -
- Operating Temperature: -40°C ~ 105°C
- Spread Spectrum Bandwidth: -
- Current - Supply (Max): 22mA
- Ratings: AEC-Q100
- Mounting Type: Surface Mount
- Package / Case: 4-SMD, No Lead
- Size / Dimension: 4.252" L x 2.665" W (108.00mm x 67.70mm)
- Height - Seated (Max): 0.165" (4.19mm)
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