SHOULDER ELECTRONICS CO., LTD. CRYSTAL RESONATOR Data Sheet PRODUCT 产 品: CRYSTAL RESONATOR MODEL NO 型 号: 49U PREPARED 编 制: Fengyu CHECKED 审 核: York APPROVED 批 准: DATE Http://www.shoulder.cn 日 期: 2007-01-25 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) THIRD OVERTONE (3OT) FIFTH OVERTONE (5OT) 1.8432-30.000MHz 24.000-70.000MHz 60.000-100.000MHz 3. PART NUMBERING SYSTEM HOLDER TYPE FREQUENCY 49U IN MHz MODE LOAD CAPACITANCE FREQUENCY TOLERANCE AT 25oC FREQUENCY STABILITY AT –20 TO +70 oC F 3OT 5OT 10 TO 33PF FOR PARALLEL S FOR SERIES 30 FOR –/+30PPM 30 FOR –/+30PPM OPERATING TEMPERATURE RANGE A FOR –20 TO +70 oC OPTIONS 3RD 3PIN SL SP T THIRD LEAD THREE PIN BASE PLASTIC SLEEVE PLASTIC SPACER TAPE AND REEL 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 2.0-2.5 MHz 2.5-3.5 MHz 3.5-4.0 MHz 4.0-8.0 MHz 8.0-14 MHz 14-24 MHz >24 MHz 600 400 200 120 90 60 40 40 5. DIMENSIONS