T1254

T1254

T1254

Product catalog summary
Product Description
Greenray Industries' T1254 TCXO is designed for high shock and vibration environments, featuring a rugged, radiation-tolerant package.
Features
  • 30 krad (Si) total ionizing dose
  • Rugged, radiation-tolerant 20.3 x 12.7 mm package
  • Frequency range: 10 to 100 MHz
  • Stability: ±1.0 ppm from -20°C to +70°C
  • Ultra-low acceleration sensitivity < 0.07 ppb/g
  • 3.3 VDC and 5 VDC supply
  • CMOS output
Applications
  • High orbit transponders
  • Low orbit satellites (nano/micro satellites)
  • RF telemetry systems
  • Multiband terminal
  • Upconverter
Electrical Characteristics
  • Nominal Frequency: 10 to 100 MHz at +25°C
  • Frequency Stability: ±1 ppm (-20°C to +70°C), ±5 ppm (-40°C to +85°C), ±7 ppm (-55°C to +125°C)
  • Aging: ±1 ppm for the first year
  • Acceleration Sensitivity: 0.7 ppb/g (SD), 0.07 ppb/g (LG)
  • Frequency vs Voltage: 0.3 ppm for a 2% change
  • Electronic Frequency Control: ±7 ppm with negative slope
  • Phase Noise Performance: -90 dBc/Hz at 10 Hz offset, -155 dBc/Hz at 100 kHz offset
  • Supply Voltage: 3.3 VDC or 5.0 VDC
  • Supply Current: 35 mA
  • RF Output: CMOS with load of 15 pF
Environmental and Mechanical Specifications
  • Vibration: MIL-STD-883 2007, Cond A, 50 g, 20 to 2,000 Hz
  • Shock: MIL-STD-883 2002, Cond B, 1,500 g, 0.5 ms half-sine
Recommendations and General Information
  • Operating Temperature: -55°C to +125°C
  • Storage Temperature: -65°C to +125°C
  • Radiation: Operates during exposure to 30 krad (Si)
  • Terminal Finish: Lead Free or SnPb
  • Package Finish: Stainless Steel and Nickel-plated Kovar
  • Package Weight: 3 grams
  • Soldering Instruction: Hand solder only
  • Shipping: Tray pack
  • Marking: Includes Greenray logo, model, frequency, serial number, and date code
Ordering Example
Example: T1254 - T56 - 3.3 - LG - 10.0 MHz - E
Model, Stability Code, Supply Voltage, G-Sensitivity Code, Frequency in MHz, Termination finish
See more

Catalog excerpts

T1254-1

Product Description Greenray Industries' T1254 TCXO offers excellent performance in high shock and vibration environments in a rugged, radiation tolerant package. 30 krad (Si) total ionizing dose Rugged, radiation tolerant 20.3 x 12.7 mm package Frequency: 10 to 100 MHz Stability: ±1.0 ppm (-20°C to +70°C) Ultra-low acceleration sensitivity < 0.07 ppb/g 3.3 VDC and 5 VDC supply CMOS output High orbit transponders Low orbit satellites (nano/micro satellites) RF telemetry systems Multiband term

 Open the catalog to page 1
T1254-2

Electrical Characteristics Parameter Nominal Frequency Frequency Stability Aging Acceleration Sensitivity Frequency vs Voltage Electronic Frequency Control Short Term Parameter Static @ 10 MHz Nominal Frequency Parameter Supply Voltage Phase Noise Performance Frequency Offset (Hz) Min Typical 10 -90 100 -120 1k -145 10 k -150 100 k -155 DC Supply Conditions Min Typical ± 5% 3.0 3.3 ± 5% 4.75 5.0 Supply Current Parameter CMOS Load Level Electrical Characteristics Min Typical 10 ±1 ±5 ±7 +2.8 (“1” level) SUP.=5.0V +4.5 (“1” level) Symmetry 40 (1) Acceleration Sensitivity is worst axis tested at...

 Open the catalog to page 2
T1254-3

Environmental and Mechanical Specifications Screening Vibration Shock Screenings Method, Condition 2007, Cond A 2002, Cond B Description 50 g, 20 to 2,000 Hz, swept sine 1,500 g, 0.5 ms half-sine Recommendations and General Information Conditions Notes -55°C to +125°C -65°C to +125°C Unit shall continue to operate during exposure to 30 krad (Si) Lead Free or SnPb Stainless Steel and Nickel-plated Kovar 3 grams Hand solder only Tray pack Line 1: Greenray logo Line 2: Model Line 3: Frequency Line 4: Serial Number + Date Code (YYWW) Parameter Operating Temperature Storage Temperature Radiation Terminal...

 Open the catalog to page 3
T1254-4

Package dimensions and Pad Connections

 Open the catalog to page 4

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*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.