www.microcrystal.com
2
kHz Tuning Fork Crystals in Ceramic Packages
Crystal Type 30.0 kHz to 2'000 kHz Tuning Fork Crystals Units
Product Type
CC1V-T1A CC4V-T1A CM7V-T1A
CM7V-T1A
low ESR
CM8V-T1A CM9V-T1A
Dimensions (l × w × h) 8.0 x 3.7 x 1.75 5.0 x 1.9 x 0.90 3.2 x 1.5 x 0.65 3.2 x 1.5 x 0.65 2.0 x 1.2 x 0.60 1.6 x 1.0 x 0.50 mm
mm
PCB Footprint and Symbol
available on product pages on website
h = 1.75
3.7
8.0
5.0
1.9
h = 0.90
h = 0.65
3.2
1.5
h = 0.65
3.2
1.5
h = 0.60
1.2
2.0
h = 0.50
1.6
1.0
mm
Lid Material Ceramic Ceramic Metal Metal Metal Metal
Operating Temp. Range TA -40 to +85 -40 to +85 -40 to +85 -40 to +85 -40 to +85 -40 to +85 °C
Operating Temp. Range TB
1)
-40 to +125 -40 to +125 -40 to +125 -40 to +125 -40 to +125 -40 to +125 °C
Frequency FL 32.768 32.768 32.768 32.768 32.768 32.768 kHz
Standard Load Capacitance
2)
CL 9 / 12.5 6 / 7 / 9 / 12.5 6 / 7 / 9 / 12.5 6 / 7 / 9 / 12.5 4 / 7 / 9 / 12.5 4 / 7 / 9 / 12.5 pF
Frequency Tolerance @ 25°C
3)
ΔF/F
±20 ±20 ±20 ±20 ±20 ±20 ppm
Series Resistance typ./max. RS 40 / 60 50 / 65 50 / 70 40 / 50 55 / 70 60 / 75
kΩ
Motional Capacitance typ. C1 2.0 2.1 3.7 4.7 4.7 6.3 fF
Static Capacitance typ. C0 1.6 1.2 1.2 1.3 1.2 1.4 pF
Drive Level max. P 1.0 1.0 1.0 1.0 0.5 0.5 µW
Aging max. 1st Year @ 25°C
ΔF/F
±3 ±3 ±3 ±3 ±3 ±3 ppm
Turnover Temperature T0 25 ±5 25 ±5 25 ±5 25 ±5 25 ±5 25 ±5 °C
Frequency vs. Temperature
ΔF/F
-0.035 ppm/°C
2
(T-T0)
2
±10% ppm
1) Also available in -55 to +125°C temp. range (TC).
2) Other load capacitance on request.
3) Tighter and wider frequency tolerances on request.
Ordering InformationApplications
• IoT
• Computing
• Automotive
• Wireless Units
• Smart Metering
• Industrial Control
• Embedded Modules
• GPS and Navigation
• Tablets, Smart Phones
• Security and Access Control
• Wearables, Portable Devices
• Remote Keyless Entry Systems
• High Temperature Range Designs
• Ultra Small Size Devices, Smart Cards
• Healthcare, Medical and Medical Implantable
C
eramic package
P
ackage lid
2 pads
C
= Ceramic lid
Au flashed pads
SMD Package
T
uning fork
P
ackage size
M
= Metal lid
Special feature
1
4
5
7
8
9
8.0 x 3.7 x 1.75 mm
5.0 x 1.9 x 0.90 mm
4.1 x 1.5 x 0.90 mm
3.2 x 1.5 x 0.65 mm
2.0 x 1.2 x 0.60 mm
1.6 x 1.0 x 0.50 mm
=
=
=
=
=
=
= Lowest profile, 0.35 mm
= 50 kΩ max.
0.3
Low ESR
Temperature range
Qualification
QC
QA
QM
Frequency tolerance
Load capacitance C
L
Frequency F
L
TA = -40 to +85°C (Standard)
TB = -40 to +125°C
= Commercial Grade (Standard)
= Automotive Grade AEC-Q200
= Medical Grade (see page 6)
C M 7 V - T 1 A 0.3 32.768 kHz 12.5 pF ±20 ppm TA QC
h = 0.35
on request
h = 0.35
on request
h = 0.35
on request