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SHOULDER ELECTRONICS CO., LTD.
CRYSTAL RESONATOR Data Sheet
PRODUCT : CRYSTAL RESONATOR
MODEL NO : 49U PREPARED : CHECKED : APPROVED : DATE : 2007-01-25 Fengyu York
Http://www.shoulder.cn
SHOULDER ELECTRONICS CO., LTD.
1. SPECIFICATION
FREQUENCY RANGE LOAD CAPACITANCE FREQUENCY TOLERANCE AT 25oC FREQUENCY STABILITY AT -20 TO +70 oC OPERATING TEMPERATURE RANGE STORAGE TEMPERATURE RANGE EQUIVALENT SERIES RESISTANCE (ESR) DRIVE LEVEL SHUNT CAPACITANCE AGING INSULATION RESISTANCE 1.8432-100.000MHz 10PF TO SERIES -/+30PPM MAXIMUM -/+30PPM MAXIMUM -20 TO +70 oC -40 TO +85 oC SEE ESR TABLE 1.0 mW MAXIMUM 7PF MAXIMUM -/+5PPM PER YEAR 500 MOhm MINIMUM
2. FREQUENCY RANGE AND OSCILLATION MODE
FUNDAMENTAL (F) 1.8432-30.000MHz THIRD OVERTONE (3OT) 24.000-70.000MHz FIFTH OVERTONE (5OT) 60.000-100.000MHz
3. PART NUMBERING SYSTEM
FREQUENCY TOLERANCE AT 25oC 30 FOR -/+30PPM FREQUENCY STABILITY AT -20 TO +70 oC 30 FOR -/+30PPM
HOLDER TYPE
FREQUENCY
MODE F 3OT 5OT
LOAD CAPACITANCE 10 TO 33PF FOR PARALLEL S FOR SERIES
49U
IN MHz
OPERATING TEMPERATURE RANGE 3RD 3PIN SL SP T
OPTIONS THIRD LEAD THREE PIN BASE PLASTIC SLEEVE PLASTIC SPACER TAPE AND REEL
A FOR -20 TO +70 oC
FUNDAMENTAL MODE NOT NEEDED IN PART NUMBER 30PPM OF FREQUENCY TOLERANCE AND FREQUENCY STABILITY NOT NEEDED IN PART NUMBER -20 TO +70 oC OF OPERATING TEMPERATURE RANGE NOT NEEDED IN PART NUMBER
4. ESR TABLE (Ohm)
1.8-2.0 MHz 600 2.0-2.5 MHz 400 2.5-3.5 MHz 200 3.5-4.0 MHz 120 4.0-8.0 MHz 90 8.0-14 MHz 60 14-24 MHz 40 >24 MHz 40
5. DIMENSIONS

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