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4D250G0020

4D250G0020

  • 厂商:

    CHANGXING(长兴)

  • 封装:

    SMD2520_4P

  • 描述:

    无源晶振 25MHz ±10ppm 20pF 60Ω SMD2520_4P SMT -40℃~+85℃

  • 数据手册
  • 价格&库存
4D250G0020 数据手册
福建省长兴电子公司 CHANGXING ELECTRONICS CO.,LTD. 福建省将乐县东门新村3号 NO.3 Dong Men New Village Jiangle Country, Fujian 电话:86-598-2329554 传真:86-598-2333554 石英晶体振荡器产品确认书 Quartz Crystal Resonator Specification For Approval 产品型号: Model 客户名称: Customer 客户编号: Customer's Part No. 长兴编号: Product No. 发行日期: Issue Date 承办:林峰 Seam2520 4PIN 25.000000MHz 4D250G0020 审核:林东国 批准:杨启付 内容: 1、Features 特点 2、Electrical Specifications 电气参数 3、Dimensions 外型尺寸 4、Marking 印码 5、Reflow Condition 回流焊条件 6、Packing 包装(EIA-481-2) 7、Reliability Specifications 可靠性规范 8、Material Composition Declaration 材料成分表 客户 Conclusion: Conditional Approval Full Approval 会 签 意 见 APPROVED BY : ISSUED DATE : Reject 2.5×2.0×0.55mm SMD Seam Sealing Crystals / 4D Series Features 特点 .High precision and high frequency stability. .Excellent heat resistance and environmental characteristics. .Applications in PDA, DSC, DVC, and PC. .RoHS Compliant / Pb Free. Electrical Specifications电气参数 Standard atmospheric conditions Unless otherwise specified, the standard range of atmospheric conditions for making measurement and tests are as follow: Ambient temperatu: 22±5℃ Relative humidity : 40%~70% If there is any doubt about the results, measurement shall be made within the following limits: Ambient temperatu: 22±1℃ Relative humidity : 40%~70% Measure equipment Electrical characteristics measured by HP E5100A or equivalent. Crystal cutting type The crystal is using AT CUT (thickness shear mode). Parameters Electrical Spec. UNITS Notes 25.000000 1 Nominal Frequency MHz Fund 2 Oscillation Mode 20 3 Load Capacitance pF ±10 at 25 ℃ ± 3 ℃ 4 Frequency Tolerance ppm ±30 Over Operating Temp. Range 5 Frequency Tolerance ppm -40~+85 6 Operating Temperature ℃ ±3 1st Year 7 Aging ppm 100 8 Drive Level uW 60 Max. 9 Effective Resistance Rr Ω Shunt Capacitance C0 5 Max. 10 pF 11 Motional Capacitance C1 fF 12 Pulling Sensitivity TS ppm/pF -3.0 -1000~+5000 ppm 125 步 13 Spurious Response dB 500 Min. at DC 100V 14 Insulation Resistance MΩ -55~+125 15 Storage Temperature Range ℃ 60 Max. 16 RLD2 Ω 10 Max. 0.01~30μW/15 steps 17 FDLD ppm 10 Max. 30~100μW/5 steps 18 DLD2 Ω 5 Max. 100~30μW/5 steps 19 FDLDH ppm DLDH2 5 Max. 30~0.01μW/15 steps 20 Ω 21 DLDF Ω 0.01~30μW/15 steps 22 DLD2(低) Ω 23 Others - Dimensions外型尺寸 Marking印码 长兴电子LOGO CX25.0 **** 线别代码 标称频率(MHz) 生产批号末三位代码 年月代码 年月代码(四年一个周期): Reflow Condition回流焊条件 Packing包装(EIA-481-2) CX DIMENSIONS A B UNIT : mm 0.80± 0.1 2.70± 0.1 DIMENSIONS L L1 W W1 UNIT : mm 178± 1.0 13± 0.5 11.5± 0.2 8.0± 1.0 C D 2.25± 4.00± 0.1 0.1 E F 8.0± 0.2 4.00± 0.1 H 1.75 1.55± ± 0.05 0.1 Standard Reel Quantity 3,000 pcs per reel(WHITE) G Reliability Specifications(可靠性规范) 1.Mechanical Endurance(机械耐久性) No. Test Item Test Methods REF.DOC 1.1 Drop Test 150 cm height,3 times on concrete floor . 1.2 Shock Test 150g/150cm Height, 3 times in the direction of ± IEC-68-02-27 X,±Y,±Z on concrete floor 1.3 1.4 1.5 1.6 1.7 Device are shocked to half sine wave ( 1000 G ) three mutually Mechanical Shock perpendicular axes each 3 times. 0.5m sec. duration time Frequency range 10 ~2000 Hz Amplitude 1.52 mm/20G Vibration Sweep time 20 minute Perpendicular axes each test time 4 hours (Total test time 12 hours) Standard Sample For Automatic Gross Leak Detector, Gross Leak Test Pressure: 2Kg / cm2 Fine Leak Helium Bombing 4.5 Kgf / cm2 for 2 hr Temperature 260 ℃ ± 5℃ Immersing depth 0.5 mm minimum Solderability Immersion time 5 ± 1 seconds Flux Rosin resin methyl alcohol solvent ( 1 : 4 ) JIS C6701 MIL-STD-202F MIL-STD-883E MIL-STD-883E MIL-STD-883E 2.Environmental Endurance(环境耐久性) No. 2.1 2.2 2.3 Test Item Test Methods Pre-heat temperature 125 ℃ Resistance Pre-heat time 60 ~ 120 sec. To Soldering Test temperature 260 ± 5 ℃ Heat Test time 10 ± 1 sec. + 125 ℃ ± 3 ℃ for 500 ± 12 hours High Temp. - 40 ℃ ± 3 ℃ for 500 ± 12 hours Low Temp. Total 100 cycles of the following temperature cycle 2.4 Thermal Shock 2.5 2.6 High Temp& Pressure REF.DOC MIL-STD-202F MIL-STD-883E MIL-STD-883E 85℃ ± 3℃ , RH 85% , 500Hrs 125℃ ± 3℃ , RH100% , 2 bar , 240Hrs JIS C5023 JIS C6701 Material Composition Declaration 材 料 成 份 表 1.PRODUCTION NAME: Seam 2520 2.PRODUCTION WEIGHT(mg): 10.982 编号 No. 构成部件 Name of Part 部件材质名 Material Name 陶瓷 Ceramics 材质质量 Material Mass(mg) 6.39 材质质量百分比 Mat er i al mass ( %) 构成之元素名称 Constituent name Al2O3 Aluminum oxide SiO2 Siliconoxide 58.17% Cr2o3 MO 1 基座 Base KV环 0.35 3.17% 焊料 金属化 (Metal) 镀层 Metallizing 2 外壳 Cover 4J29 (基材) 0.28 2.30 2.56% 20.94% Ni(镀层) 金属 Metal 3 黏合剂 Adhesive 1.09% 聚合物 Polymer 4 Blank 5 Electrode 晶片 Quartz 1.20 10.96% 电极 Electrode 0.34 3.07% 第 6 页,共 6 页 元素百分比 Material Analysis(%) 1344-28-1 90.00% 4808-60-7 6.00% 1308-38-9 2.00% Magnesium 7439-98-7 oxide Fe 7439-89-6 Iron Ni 7440-02-0 Nickel 2.00% 51.00% 29.00% Co 7440-48-4 18.00% Ag silver 7440-22-4 71.00% Cu 7440-50-8 29.00% 7440-33-7 100.00% 7440-57-5 100.00% 7440-02-0 100.00% Fe 7439-89-6 49.00% Ni 7440-02-0 35.00% Co 7440-48-4 16.00% Ni 7440-02-0 100.00% Ag Silver 7440-22-4 74.00% - 10.20% SiO2 14808-60-7 10.00% - 64742-47-8 5.00% CH3OH SiO2 Silicon oxide Cr Chromium Ag silver 67-56-1 0.80% 14808-60-7 100.00% 7440-47-3 5.56% 7440-22-4 94.44% W Tungsten Au Gold Ni Nickel 0.12 CAS编号 CAS No.
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