DIMENSIONS
CM7V-T1A Low ESR
Tuning Fork Crystal 32.768 kHz
All dimensions in mm typical
DESCRIPTION
The CM7V-T1A Low ESR is a low frequency SMT Quartz Crystal Unit
that incorporates a tuning fork Quartz Crystal Resonator. It operates
under vacuum in a hermetically sealed ceramic package with metal lid.
APPLICATIONS
IoT
Metering
Industrial
Automotive
Health Care
Wearables, Portables
ELECTRICAL CHARACTERISTICS
AT 25
o
C
1) Other frequencies on request.
2) Other load capacitances on request.
3) Tighter frequency tolerances on request.
Standard Frequency
1)
F
L
32.768 kHz
Load capacitance
2)
C
L
6.0 / 7.0 / 9.0 / 12.5 pF
Frequency tolerance
3)
ΔF/F ±20 ppm
ΔF/F ±100 ppm
Series resistance typ./max. R
S
40 / 50 kΩ
Motional capacitance typ. C
1
4.7 fF
Static capacitance typ. C
0
1.3 pF
Drive level max. P 1.0 μW
Insulation resistance min. R
i
500 MΩ
Aging rst year max. ΔF/F ±3 ppm
Turnover temperature T
0
25 ±5 °C
Frequency vs. temperature ΔF/F
0
–0.035
ppm
/
°C²
(T - T
0
)
2
±10% ppm
Package: Recommended Solder Pad:
0,75
1,8
1,5
0,65 max
0,75
3,2
1,51,0
1,0
FEATURES
Maximum ESR value of 50 kΩ for low power designs.
Outstanding hermetic sealing with gold-tin preform.
High stability and low aging guaranteed by hermetic sealing.
Available for extended operating temperature range.
Small size, low prole, lightweight (10.3 mg).
High shock and vibration resistant.
100% Pb-free, RoHS-compliant.
Automotive qualication according to AEC-Q200 available.
Version 8.0/10.2016
Micro Crystal AG Phone +41 32 655 82 82
Muehlestrasse 14 Fax +41 32 655 82 83
CH-2540 Grenchen sales@microcrystal.com
Switzerland www.microcrystal.com
C M 7 V - T 1 A Low ESR 32.768 kHz 12.5 pF ±20 ppm TA QC
Metal lid
Pads on both ends
Load capacitance C
L
Au flashed pads
SMT Package
Tuning fork
Package size
Frequency F
L
Frequency tolerance
Temperature range
6.0 pF
7.0 pF
9.0 pF
12.5 pF
Other C
L
on request
±20 ppm
±100 ppm
Tighter freq. tolerances on request
Special feature
Ceramic
package
7 = 3.2 x 1.5 x 0.65 mm
Low ESR = 50 kΩ max.
TA = -40 to +85°C (Standard)
TB = -40 to +125°C
TC = -55 to +125°C
Qualification
QC = Commercial Grade (Standard)
QA = Automotive Grade AEC-Q200
TERMINATIONS AND
PROCESSING
Type Termination Processing
CM7V-T1A
Low ESR
For SMT mounting
Au ashed pads
IPC/JEDEC J-STD-020C
260°C / 20 - 40 s
ORDERING INFORMATION
All specifications subject to change without notice.
ENVIRONMENTAL
CHARACTERISTICS
Conditions Max. Dev.
Storage temp. range –55 to +125°C
TA Operating temperature range –40 to +85°C
TB Extended oper. temp. range –40 to +125°C
TC Extended oper. temp. range –55 to +125°C
Shock resistance
ΔF/F
5000 g, 0.3 ms, ½ sine ±5 ppm
Vibration resistance
ΔF/F
20 g / 10–2000 Hz ±5 ppm
STANDARD FREQUENCIES
Frequency
32.768 kHz
Other frequencies on request
A unique part number will be generated for each product specication, i.e:
20xxxx-MG01 1'000 pcs (in 12 mm tape on 7" reel)
20xxxx-MG03 3'000 pcs (in 12 mm tape on 7" reel)
20xxxx-
PG14
14'000 pcs (in 12 mm tape on 13" reel)