Datasheet

SM Watch Crystal
CM7V
Specifications
Product
CM7V
Option
Code
Gold plated pads

T1A
32.768kHz

±20ppm
±100ppm


specify
Operating temperature range:
-40 to +85°C
-40 to +125°C
-55 to +125°C



E
M
Storage temperature range:
-55 to +125°C

Parameters
Terminations:
Frequency range:
Calibration tolerance:
3.30
(max)
1.60
(max)
4pF
6pF
7pF
9pF
12.5pF





1.2pF typ

3.7fF typ

Equivalent series resistance:
50kΩ typ, 70kΩ max @ 25°C

Ageing:
±3ppm max first year

1.0μW max

Miniature ceramic package with metal lid
Turnover temperature (T0):
+25°C ±5°C

High shock & vibration resistance
Frequency / temp coefficient:
-0.035ppm/°C2 ±10%

Shock resistance:
±5ppm, 5,000g, 0.3ms, ½ sine

Vibration resistance:
±5ppm, 20g, 10.0 ~ 2,000Hz

Soldering condition:
Reflow, 260°C, 20 sec max

Qualification:
Commercial
AEC-Q200 (Automotive)


Circuit condition:
0.65
(max)
SOLDER PAD LAYOUT
1.50
1.80
0.70
Motional capacitance (C1):
0.70
1.00
1.00
TOP VIEW
Features





Static capacitance (C0):
Drive level:
Extended temperature range options
AEC-Q200 Automotive option
Low power consumption
specify
specify
specify
specify
A
 Standard.  Optional - Please specify required code(s) when ordering
Ordering Information
Product name + termination + option codes +
frequency + calibration tolerance + circuit condition
eg: CM7V-T1A 32.768kHz ±20ppm 12.5pF -40+85°C
CM7V-T1A/EA 32.768kHz ±100ppm 7pF -40+125°C, AEC-Q200
Option code X (eg CM7V-T1A/X) denotes a custom spec.
 Available on T&R 1k, 3k or 14k pcs/reel.
 Ask about higher shock & vibration specifications.
Tel: +44 1460 256 100
15 Oct 2014
Fax: +44 1460 256 101
E-mail: sales@golledge.com
Web: www.golledge.com