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ECS-320-20-33-DU-TR产品简介:
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ECS-320-20-33-DU-TR 是 ECS Inc. 推出的一款石英晶体谐振器(无源晶振),属于SMD贴片型,具体参数为:频率32.768 kHz(即32.768千赫兹)、负载电容12.5 pF、精度±20 ppm、工作温度范围–40°C 至 +85°C、封装尺寸2.0×1.2 mm(SMD 2012),符合RoHS标准,卷带包装(TR)。 该型号专为超低功耗、高稳定性实时时钟(RTC)应用优化设计,典型应用场景包括: ✅ 智能穿戴设备(如智能手表、手环)中的时间保持与睡眠唤醒计时; ✅ 物联网终端(如NB-IoT模组、LoRa节点)的低功耗RTC功能,支持长时间电池供电(可待机数年); ✅ 工业控制与医疗电子设备(如便携式监护仪、数据记录仪)中对时间精度和温漂性能要求较高的实时时钟电路; ✅ 主板/嵌入式系统(如ARM Cortex-M系列MCU)的外部RTC时钟源,配合内部RTC模块提升计时可靠性; ✅ 汽车电子中的非安全相关时钟备份(如信息娱乐系统日历、事件日志时间戳)。 其“DU”后缀代表ECS特有的双端接地(Dual Ground)结构设计,有助于抑制寄生振动、提升抗干扰能力与长期频率稳定性。搭配低功耗RTC芯片(如PCF8563、RX-8025、STM32内置RTC)使用效果更佳。不适用于高频主时钟(如MHz级CPU时钟),仅限32.768 kHz RTC专用场景。
| 参数 | 数值 |
| 产品目录 | 晶体和振荡器无源元件 |
| 描述 | CRYSTAL 32MHZ 20PF SMD晶体 32.000MHz 20pF 100 ppm -55C +125C |
| ESR | 40 Ohms |
| ESR(等效串联电阻) | 40 欧姆 |
| 产品分类 | |
| 品牌 | ECS Inc |
| 产品手册 | |
| 产品图片 |
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| rohs | 符合RoHS无铅 / 符合限制有害物质指令(RoHS)规范要求 |
| 产品系列 | 晶体,ECS ECS-320-20-33-DU-TRECX-32 |
| 数据手册 | |
| 产品型号 | ECS-320-20-33-DU-TR |
| 产品种类 | |
| 其它名称 | ECS3202033DUTR |
| 包装 | 带卷 (TR) |
| 商标 | ECS |
| 外壳宽度 | 2.5 mm |
| 外壳长度 | 3.2 mm |
| 外壳高度 | 0.8 mm |
| 大小/尺寸 | 0.126" 长 x 0.098" 宽(3.20mm x 2.50mm) |
| 安装类型 | 表面贴装 |
| 安装风格 | SMD/SMT |
| 容差 | 50 PPM |
| 封装 | Reel |
| 封装/外壳 | 4-SMD,无引线(DFN,LCC) |
| 封装/箱体 | 3.2 mm x 2.5 mm |
| 尺寸 | 2.5 mm W x 3.2 mm L x 0.8 mm H |
| 工作模式 | 基谐 |
| 工作温度 | -55°C ~ 125°C |
| 工作温度范围 | - 55 C to + 125 C |
| 工厂包装数量 | 1000 |
| 标准包装 | 1,000 |
| 端接类型 | SMD/SMT |
| 等级 | - |
| 类型 | MHz 晶体 |
| 系列 | ECX-32 |
| 负载电容 | 20pF |
| 频率 | 32MHz |
| 频率容差 | ±50ppm |
| 频率稳定度 | ±100ppm |
| 频率稳定性 | 100 PPM |
| 高度 | 0.031"(0.80mm) |
ECX-32 SMD CRYSTAL The sub miniature ECX-32 is a compact SMD Crystal. The 3.2 x 2.5 x 0.8 mm ceramic package is ideal for LoRa WAN, Request a Sample wireless, and high density applications. OPERATING CONDITIONS / ELECTRICAL CHARACTERISTICS ECX-32 SMD CRYSTAL PARAMETERS CONDITIONS ECX-32 UNITS MIN TYP MAX Frequency 8.000 54.000 MHz Mode of Oscillation Fundamental Frequency Tolerance* @ +25°C ± 50 ppm Frequency Stability* -20 ~ +70°C ± 50 ppm Shunt Capacitance Co 5 pF Load Capacitance Specify in P/N 4 20 Series pF • Low Profile Drive Level DL 100 μW • 3.2 x 2.5 mm Footprint • Extended Temp. Range Option Operating Temperature* Topr -20 +70 °C • RoHS Compliant Storage Temperature Tstg -55 +125 °C Aging (First Year) @ +25°C ±3°C ±5 ppm DIMENSIONS (mm) Equivalent Series Resistance ggested land pattern Frequency (MHz) ESR Ω Max. 8.000 ~ 9.999 400 10.000 ~ 15.999 100 16.000 ~ 19.999 80 20.000 ~ 23.999 60 24.000 ~ 54.000 40 Pad Connections 1 In/Out Figure 1) Top, Side, and Bottom 2 Gnd Crystal is symmetrical, pad 1 & 3 are interchangeable. 3 Out/In Chamfer on the bottom can be on pad 4 or pad 1 and has no electrical significance. 4 Gnd Figure 2) Suggested land pattern PART NUMBERING GUIDE: Example ECS-200-20-33-TR ECS - FREQUENCY ABBREVIATION LOAD PACKAGE AVAILABLE OPTIONS PACKAGING CAPACITANCE Tolerance Stability Temp Range ECS 200 = 20.000 MHz 20 = 20 pF 33 = Blank = Std Blank= Std Blank= Std TR = See P/N Guide S = Series ECX-32 A = ± 25 ppm D= ±100 ppm L = -10 ~ +70°C Tape J = ± 20 ppm E = ± 50 ppm M = -20 ~ +70°C & Reel R = ± 15 ppm G = ± 30 ppm Y = -30 ~ +85°C C = ± 10 ppm H = ± 25 ppm N = -40 ~ +85°C 1K/Reel * Specify available options in P/N. T = ± 20 ppm † P = -40 ~ +105°C W = ±15 ppm † S = -40 ~ +125°C † Contact ECS for availability over extended temp range. K = ± 10 ppm † U = -55 ~ +125°C Rev.2019 15351 West 109th Street | Lenexa, KS 66219 | Phone: 913.782.7787 | Fax: 913.782.6991 | www.ecsxtal.com
ECX-32 SMD CRYSTAL POCKET TAPE DIMENSIONS (mm) SOLDER PROFILE DEVELOPED FREQUENCIES Peak solder Temp +260°C Max 10 sec Max. Abbreviation Frequency (MHZ) 2 Cycles Max. 80 8.000 MSL 1, Lead Finish Au 100 10.000 120 12.000 122.8 12.288 143 14.31818 147.4 14.7456 160 16.000 184 18.432 192 19.200 196 19.6608 200 20.000 240 24.000 245.7 24.576 250 25.000 260 26.000 270 27.000 300 30.000 320 32.000 360 36.000 400 40.000 Figure 1) Suggested Reflow Profile 480 48.000 15351 West 109th Street | Lenexa, KS 66219 | Phone: 913.782.7787 | Fax: 913.782.6991 | www.ecsxtal.com
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