SM12T Series
Miniature SMD Crystal
June 2008
• Pletronics’ SM12T Series is a miniature surface mount crystal. • Package is ideal for automated surface mount assembly and reflow practices. • Tape and Reel packaging
• • • • •
10 MHz to 80 MHz Fundamental Mode 40 MHz to 150 MHz 3rd Overtone 3.5 x 6 mm 4 pad AT Cut Crystal Ideal for use in hand held consumer products.
Pletronics Inc. certifies this device is in accordance with the RoHS 6/6 (2002/95/EC) and WEEE (2002/96/EC) directives.
Pletronics Inc. guarantees the device does not contain the following: Cadmium, Hexavalent Chromium, Lead, Mercury, PBB’s, PBDE’s Weight of the Device: 0.06 grams Moisture Sensitivity Level: 1 As defined in J-STD-020C Second Level Interconnect code: e4
Electrical Specification:
Item Frequency Range Min 10 40 Calibration Frequency Tolerance Frequency Stability over OTR Equivalent Series Resistance (ESR) 10 3 Drive Level Shunt Capacitance Aging (C0) -3 -2 Operating Temperature Range Storage Temperature Range -40 -55
160 140 120 100 80 60 40 20 0 -20 -40 -60 -80 -100 -120 -140 -160 -60 -40 -20 0 20 40 60 80 100 120
Max 80 150 50 150 60 50 100 100 5 +3 +2 +125 +125
Unit MHz MHz ppm ppm Ohms Ohms Ohms μW pF ppm /Yr ppm /Yr
o o
Condition Fundamental Mode 3rd Overtone _ at +25oC + 3oC, see part number for options see part number for available options 10 MHz to 16 MHz 16 MHz to 50 MHz 40 MHz to 150 MHz use 10 μW for testing Pad to Pad capacitance for the first year after the first year see part number for available options 3rd Overtone Fundamental
C C
Deviation (ppm)
AT Cut Crystal Frequency versus Temperature Typical Performance:
Temperature (oC)
Product information is current as of publication date. The product conforms to specifications per the terms of the Pletronics standard warranty. Production processsing does not necessarily include testing of all parameters.
Copyright © 2008, Pletronics Inc.
SM12T Series
Miniature SMD Crystal
June 2008
Part Number:
SM12T -18 -14.31818M20 E 1 L K -XX
See chart below for available options Internal code or blank Highest Specified Operating Temperature G = 70oC N = 100oC A = 40oC o o B = 45 C H = 75 C P = 105oC o o C = 50 C J = 80 C R = 110oC D = 55oC K = 85oC S = 115oC E = 60oC L = 90oC T = 120oC o o M = 95 C U = 125oC F = 65 C Lowest Specified Operating Temperature F = -15oC L = -40oC A = +10oC o o G = -20 C M = -45oC B = +5 C C = 0oC H = -25oC N = -50oC J = -30oC P = -55oC D = -5oC o o E = -10 C K = -35 C Mode: 1 = Fundamental 3 = 3rd Overtone Frequency Stability See chart below
Calibration Frequency Tolerance 10 = + 10 ppm at 25oC + 3oC _ _ 15 = + 15 ppm at 25oC + 3oC _ _ 20 = + 20 ppm at 25oC + 3oC _ _ 50 = + 50 ppm at 25oC + 3oC (Standard) _ _ Frequency in MHz Cload in pF Parallel Resonance from 06 to 32 pF or SR = Series Resonance Series Model
Available Frequency Stability versus Temperature in ppm Operating Temperature Range 0 to +45oC 0 to +50oC 0 to +60oC 0 to +70oC -10 to +50oC -10 to +60oC -10 to +75oC -20 to +70oC -20 to +75oC -30 to +75oC -30 to +80oC -30 to +85oC -35 to +80oC -40 to +85oC -40 to +90oC -40 to +105oC -40 to +125oC A CODE CB CC CE CG EC EE EH GG GH JH JJ JK KJ LK LL LP LU + 3.0 _ B + 5.0 _ C + 8.0 _ D + 10 _ E + 15 _ F + 20 _ G + 30 _ H + 50 _ J + 100 _ K + 150 _
! ! !
! ! ! ! ! !
! ! ! ! ! ! ! !
! ! ! ! ! ! ! ! ! ! ! !
! ! ! ! ! ! ! ! ! ! ! ! ! ! ! !
! ! ! ! ! ! ! ! ! ! ! ! ! ! ! !
! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! !
! ! !
STD
! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! !
! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! !
! ! ! ! ! ! ! ! ! ! ! ! !
Legacy Part Number (not for new designs):
www.pletronics.com 425-776-1880
2
SM12T Series
Miniature SMD Crystal
June 2008
SM12T B
E
-18
-11.0592M
-XX
Internal code or blank Frequency in MHz Cload in pF Parallel Resonance from 6 to 32 pF or SR = Series Resonance Operating Temperature Range Blank = 0 to + 70oC E = -40 to +85oC Calibration Tolerance / Frequency Stability Blank = 50/50 (Standard) A = 30/50 B = 30/30 C = 15/30 D = 10/20 (not all frequencies) Model Number
Reliability: Environmental Compliance
Parameter Mechanical Shock Vibration Solderability Thermal Shock Condition MIL-STD-883 Method 2002, Condition B MIL-STD-883 Method 2007, Condition A MIL-STD-883 Method 2003 MIL-STD-883 Method 1011, Condition A
Package Labeling
Label is 1" x 2.6" (25.4mm x 66.7mm) Font is Courier New Bar code is 39-Full ASCII Label is 1" x 2.6" (25.4mm x 66.7mm) Font is Arial
www.pletronics.com
425-776-1880
3
SM12T Series
Miniature SMD Crystal
June 2008
Mechanical:
Inches A 0.138 + 0.008 _ 0.236 + 0.008 _ 0.047 max 0.035 0.004 0.059 0.055 0.118 0.004 mm 3.5 + 0.2 _ 6.0 + 0.2 _ 1.2 max 0.9 0.1 1.5 1.4 3.0 0.1
4
4
1
B C D1 E
1
3
3
2
F1 G1 H1
Contacts : Gold 11.8 μinches 0.3 μm minimum over Nickel 50 to 350 μinches 1.27 to 8.89 μm
J Not to Scale
1
1
Typical dimensions
Connection (top view):
Pad 2 and Pad 4 are common and connected to the metal cover. They are not connected to the crystal.
1
4
2
3
Layout and application information
• Trace lengths to the crystal should be kept as short as possible. • The crystal connections are sensitive to noise. • The package should be grounded for optimum performance, pad 2 and/or pad 4 connected to ground.
www.pletronics.com
425-776-1880
4
SM12T Series
Miniature SMD Crystal
June 2008
Part Marking:
fff.fff M PymdC • • W here fff.fff Pymd C = frequency in MHz = Pletronics and Date code = Capacitance load code (see table below)
Orientation of marking may be mixed on the tape Traceability of part is lost once removed from reel B C D 8 E F G H J K L M N P Q R S T U VW X Y
Code A pF
10 12 13
15 18 20 22 24 26 28 30 32 34 36 27 series 33 50 19 16 17 14
Codes for Date Code YMD
Code Year Code Month Code Day Code Day Code Day 1 1 D 13 T 25 6 2006 A JAN 2 2 E 14 U 26 7 2007 B FEB 3 3 F 15 V 27 8 2008 C MAR 4 4 G 16 W 28 9 2009 D APR E MAY 5 5 H 17 X 29 0 2010 F JUN 6 6 J 18 Y 30 1 2011 G JUL 7 7 K 19 Z 31 H AUG 8 8 L 20 2 2012 J SEP 9 9 M 21 K OCT A 10 N 22 L NOV B 11 P 23 M DEC C 12 R 24
www.pletronics.com
425-776-1880
5
SM12T Series
Miniature SMD Crystal
June 2008
Reflow Cycle (typical for lead free processing)
260°C Maximum 10 Seconds Maximum 215°C±10°C 175°C±10°C
Temperature (°C)
250 200 150 100
120 to 160 Seconds
Approximately 50 Seconds Allowed rate of temperature change Maximum 4°C per second
The part may be reflowed 2 times without degradation.
Tape and Reel: available for quantities of 250 to 3000 per reel (
很抱歉,暂时无法提供与“SM12TB-18”相匹配的价格&库存,您可以联系我们找货
免费人工找货