Datasheet > WC146SM50-32.768KHZ-7

WC146SM50-32.768KHZ-7

更新时间： 2024-09-15 06:02:15

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MMD		/
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描述
32.768KHZ Series Crystal

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技术参数
数据手册

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WC146SM50-32.768KHZ-7 技术参数

是否无铅：	含铅	是否Rohs认证：	不符合
生命周期：	Contact Manufacturer	Reach Compliance Code：	compliant
HTS代码：	8541.60.00.10	风险等级：	5.72
老化：	3 PPM/FIRST YEAR	晶体/谐振器类型：	PARALLEL - FUNDAMENTAL
驱动电平：	1 µW	频率稳定性：	0.0144%
频率容差：	50 ppm	负载电容：	7 pF
安装特点：	SURFACE MOUNT	标称工作频率：	0.032768 MHz
最高工作温度：	85 °C	最低工作温度：	-40 °C
物理尺寸：	L6.7XB1.5XH1.4 (mm)/L0.264XB0.059XH0.055 (inch)	串联电阻：	65000 Ω
表面贴装：	YES	Base Number Matches：	1

WC146SM50-32.768KHZ-7 数据手册

WC146SM-32.768KHZ Series Crystal

¾ Ultra Low Profile with 1.4mm Height max

¾ 32.768KHZ

¾ RoHS Compliant Available

¾ Ideal for use in space confined applications

¾ Tape and Reel Packaging

ELECTRICAL SPECIFICATIONS:

Frequency

32.768KHZ

±20ppm or ±50ppm

+25°C ±5°C

Frequency Tolerance

Turnover Temperature

Temperature Coefficient

Load Capacitance

Series Resistance

Maximum Drive Level

Recommended Drivel Level

Shunt Capacitance

Aging

-0.04 x 10^-6/°C²

7.0pF or 12.5pF

65K Ohms max

1.0 uWatt

0.1 uWatt

0.8pF typ

±3ppm for the first year

-40°C to +85°C

-55°C to +125°C

Operating Temperature

Storage Temperature

MECHANICAL DETAIL:

1.50 [.059]

MAX

0.55 [.022]

INTERNAL CONNECTION

DO NOT CONNECT PINS 2 & 3 TO

EXTERNAL DEVICES

6.70 [.264]

7.00 [.276]

MAX

1.20 [.047]

0.30 [.012]

5.10 [.201]

1.20 [.047]

0.60 [.024]

1.40 [.055]

MAX

0.15 [.006]

0.40 [.016]

0.20 [.008]

0.40 [.016]

0.20 [.008]

0.60 [.024]

RECOMMENDED

LAND PATTERN

0.30 [.012]

DIMENSIONS IN BRACKETS ARE IN INCHES.

PART NUMBER GUIDE:

WC146SM

32.768KHZ

RoHS Compliant

Blank = Not Compliant

F = Is Compliant

Frequency Tolerance

Blank = ±20 ppm

50 = ±50 ppm

Load Capacitance

Blank = 12.5pF

7 = 7pF

Value Added Options

Blank = No Added Options

T = Tape and Reel

Please consult with MMD sales department for any other parameters or options.

MMD Components, 30400 Esperanza, Rancho Santa Margarita, CA, 92688

Phone: (949) 709-5075, Fax: (949) 709-3536, www.mmdcomp.com

Sales@mmdcomp.com

Specifications subject to change without notice

Revision 12/12/05 A

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