425 CTS | Alldatasheet

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Technical content

Document No. 008-0332-0 Page 1 - 3 Rev. A ٠ ٠ ٠CTS Electronic Components, Inc. ٠171 Covington Drive ٠Bloomingdale, IL 60108 ٠ ٠ ٠ ٠ ٠ ٠www.ctscorp.com ٠ ٠ ٠ Model 425 Surface Mount Quartz Crystal

FEATURES

  • Standard 2.5x2.0mm Surface Mount Footprint
  • Stable Frequency Over Temperature and Drive Level
  • Fundamental Crystal Design
  • Frequency Range 16 – 54 MHz
  • Frequency Tolerance, ±30 ppm Standard (±10 ppm, ±15 ppm and ±20 ppm available)
  • Frequency Stability, ±50 ppm Standard (±10,±20,±30 and ±40 ppm available)
  • Operating Temperature to –40°C to +85°C
  • Tape & Reel Packaging, EIA-481-2 Compliant
  • RoHS/Green Compliant (6/6)

ORDERING INFORMATION

MODE OF OSCILLATION FREQUENCY IN MHz F = Fundamental M - indicates MHz and decimal point. Frequency is recorded with minimum 4 significant digits to the right of the "M". M FREQUENCY TOLERANCE @ 25°C 1 = ± 10 ppm 2 = ± 20 ppm 3 = ± 30 ppm (standard) X = ± 15 ppm LOAD CAPACITANCE A = 10 pF B = 13 pF C = 16 pF D = 18 pF E = 20 pF F = 24 pF G = 30 pF H = 32 pF J = 9 pF K = 8 pF L = 12 pF S = Series STABILITY TOLERANCE/TEMPERATURE RANGE Over Operating Temperature Range (Referenced to 25°C Reading) 1 = ± 10 ppm, -20°C to +70°C 2 = ± 20 ppm, -20°C to +70°C 3 = ± 30 ppm, -20°C to +70°C 4 = ± 40 ppm, -20°C to +70°C 5 = ± 50 ppm, -20°C to +70°C (standard) 6 = ± 20 ppm, -40°C to +85°C 7 = ± 30 ppm, -40°C to +85°C 8 = ± 40 ppm, -40°C to +85°C 9 = ± 50 ppm, -40°C to +85°C Example Part Numbers: 425F35E014M3181 425FX9A050M0000 Custom performance characteristics are available upon request. Use form C052 to detail non-standard parameters. Contact your local CTS Representative or CTS Customer Service for assistance.

DESCRIPTION

The Model 425 is a ceramic packaged Crystal offering reduced size, ideal for high-density circuit board applications. The Model 425 offers reliable precision and excellent shock performance in wireless telecommunication devices.

Document No. 008-0332-0 Page 2 - 3 Rev. A ٠ ٠ ٠CTS Electronic Components, Inc. ٠171 Covington Drive ٠Bloomingdale, IL 60108 ٠ ٠ ٠ Model 425 2.5x2.0mm Low Cost Surface Mount Crystal

ELECTRICAL CHARACTERISTICS

Operating Mode Fundamental Crystal Cut AT-Cut Frequency Range 16.0 MHz to 54.0 MHz ± 30 ppm Standard (± 10 ppm, ±15 ppm and ± 20 ppm Available) Frequency Stability Tolerance ± 50 ppm Standard (Operating Temperature Range, Referenced to 25°C Reading) (± 10 ppm, ± 20 ppm, ± 30 ppm and ± 40 ppm Available) -20°C to +70°C Standard (-40°C to +85°C Available) Storage Temperature Range -40°C to +85°C Equivalent Series Resistance See ESR Table Load Capacitance or Resonance Mode See Orderin g Information Shunt Capacitance (C0) 5.0 pF Maximum Drive Level 10 µW Typical, 100 µW Maximum Aging @ 25°C ± 3 ppm/year maximum Reflow Condition, per JEDEC J-STD-020 +255°C ± 5°C , 10 Seconds Maximum Electrical Parameters Frequency Tolerance @ 25°C Operating Temperature Range EQUIVALENT SERIES RESISTANCE TABLE FREQUENCY RANGE MODE of OSCILLATION ESR Maximum 16.00 MHz - 19.999 MHz Fundamental 120 Ohms 20.00 MHz - 29.999 MHz Fundamental 100 Ohms 30.00 MHz - 54.000 MHz Fundamental 60 Ohms MECHANICAL SPECIFICATIONS Notes: 1. Termination pads (e4), barrier-plating is nickel (Ni) with gold (Au) flash plate. 2. Terminations #2, #4 and the metal lid are connected internally. End user may connect these pins to circuit ground. MARKING INFORMATION 1. XX.XX – Frequency in MHz. 2. C – CTS and Pin 1 identifier. 3. – Manufacturing Site Code. 4. D – Manufactured Date Code. See Table I for codes. 5. Complete CTS part number, frequency value and date code information must appear on reel and box labels. SUGGESTED SOLDER PAD GEOMETRY 0.035 [0.90] 0.073 [1.85] 0.061 [1.55] Inch [mm]Key: 0.039 [1.00] PACKAGE DRAWING 0.064 ( 1.625 ) 0.029 ( 0.725 ) 0.027 ( 0.675 ) 0.028 ( 0.700 ) Bottom View Top View 4 3 ( 0.65 ) MAX ( 2.50 ±0.10 ) 0.098 ±0.004 0.026 ( 2.00 ±0.10 ) 0.079 ±0.004 Key: ( MM ) Inch #3#4 XX.XX CD

Document No. 008-0332-0 Page 3 - 3 Rev. A ٠ ٠ ٠CTS Electronic Components, Inc. ٠171 Covington Drive ٠Bloomingdale, IL 60108 ٠ ٠ ٠ Model 425 2.5x2.0mm Low Cost Surface Mount Crystal QUALITY AND RELIABILITY Quality systems meet or exceed the requirements of ISO 9000:2000 standards. TAPE AND REEL INFORMATION DIRECTION OF FEED 2.25 2.70 8.00 4.00Ø1 . 5 5 DIMENSIONS IN MILLIMETERS 4.00 1.75 1.55 Ø2 3 Ø 178Ø6 0 11.50 120° Ø1 3 1.75 Device quantity is 3,000 pieces mimimum per 178mm reel. ENVIRONMENTAL SPECIFICATIONS Temperature Cycle: 400 cycles from –55°C to +125°C, 10 minut e dwell at each temperature, 1 minute transfer time between temperatures. Mechanical Shock: 1,500g’s, 0.5mS dura tion, ½ sinewave, 3 shocks each direction along 3 mutually perpendicular planes (18 total shocks). Sinusoidal Vibration: 0.06 inches double amplitude, 10 to 55 Hz and 20g’s, 55 to 2,000 Hz, 3 cycles each in 3 mutually perpendicular planes (9 times total). Gross Leak: No leak sh all appear while immersed in an FC40 or equivalent liquid at +125°C for 20 seconds. Fine Leak: Mass spectrometer leak rates less than 2x10 -8 ATM cc/sec air equivalent. Resistance to Solder Heat: Product must surviv e 3 reflows of +260°C peak, 10 seconds maximum. High Temperature Operating Bias: 2,000 hours at +125°C, disregarding frequency shift. Frequency Aging: 1,000 hours at +85°C, maximum ±5 ppm shift. Insulation Resistance: 500M Ohms @ 100V DC ±15VDC. Moisture Sensitivity Level: Level 1 per JEDEC J-STD-020. TABLE I 2001 2005 2009 2013 2017 A B C D E F G H J K L M 2002 2006 2010 2014 2018 N P Q R S T U V W X Y Z 2003 2007 2011 2015 2019 a b c d e f g h j k l m 2004 2008 2012 2016 2020 n p q r s t u v w x y z DEC YEAR AUG SEP OCT NOVAPR MAY JUN JUL MONTH JAN FEB MAR