©2017 CTS® Corporation. Information/product(s) subject to change. No warranty that product(s) will meet the stated specifications for customer specific applications or test
equipment. Visit www.ctscorp.com for list of applicable patent(s), more information, or to request a quote.
DOC# 008-0563-0 Rev. D Page 1 of 4
TFA32 Series
Automotive Grade Tuning Fork Crystal
Features
AEC-Q200 Compliant
Hermetic Ceramic Surface Mount Package
Tuning Fork Crystal Design
32.7680kHz Frequency Reference
Frequency Tolerance, ±20ppm Standard
Parabolic Temperature Coefficient
Tape and Reel Packaging, EIA-418
Applications
Automotive Electronics
Car Navigation Systems
Car Infotainment Systems
Industrial Control Equipment
M2M Communications
FPGAs & Microcontrollers
Description
CTS TFA32 Series is ideal for supporting wide range of electronic designs requiring a Real Time Clock reference.
This series will support general automotive and industrial applications.
Ordering Information
TF A32
Code Code Code
A P
32 J
V
T
Code Code Code
2 I R
1 G
H
Notes:
1]
3.2x1.5mm
Package
Automotive
Model
Not all performance combinations and frequencies may be available.
Contact your local CTS Representative or CTS Customer Service for availability.
±20ppm
±10ppm
7pF
6pF
@ +25°C
Check with factory for availability.
Temp. Range
-40°C to +85°C
-40°C to +105°C
-40°C to +125°C
1
Frequency
Frequency = 32.7680kHz
9pF
Load
Capacitance
Frequency Code
[kHz]
Capacitance
12.5pF
2
P
327K
Temperature
Range
I
Frequency
Tolerance
This product is specified for use only in standard commercial applications. Supplier disclaims all express and implied
warranties and liability in connection with any use of this product in any non-commercial applications or in any
application that may expose the product to conditions that are outside of the tolerances provided in its specification.
Part Dimensions:
3.2 × 1.5 × 0.9mm • 12.1467mg
©2017 CTS® Corporation. Information/product(s) subject to change. No warranty that product(s) will meet the stated specifications for customer specific applications or test
equipment. Visit www.ctscorp.com for list of applicable patent(s), more information, or to request a quote.
TFA32 Series
Automotive Grade Tuning Fork Crystal
DOC# 008-0563-0 Rev. D Page 2 of 4
Electrical Specifications
Figure 1
Operating Conditions
PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNIT
-40
+85
-40
+105
-40
+125
Turnover Temperature TM-+20 +25 +30 °C
Storage Temperature
TSTG --55 -+125 °C
Frequency Stability
PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNIT
Frequency fO-32.7680 kHz
Frequency Tolerance
[Note 1]
Δf/fOStandard @ +25°C -20 -20 ppm
Parabolic Coefficient ßSee Figure 1 ppm/°C2
Aging Δf/f0First Year @ +25°C -3 - 3 ppm
Crystal Parameters
PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNIT
Operating Mode - - -
Load Capacitance
[Note 1] CLStandard -12.5 -pF
Shunt Capacitance C0- - 1.2 -pF
Motional Capacitance
C1- - 3.4 -fF
Series Resistance R1- - - 70 kΏ
Drive Level DL - - 0.5 1.0 µW
Insulation Resistance Ri+100Vdc ±15Vdc 500 - - MΏ
1.] See Ordering Information for available options.
+25
Flexural Mode [Tuning Fork]
-0.034 ±0.010
Operating Temperature
TA
-
°C
Frequency Stability [Δf] at a given temperature,
ß = Parabolic Coefficient
T
A
= Ambient Temperature
T
M
= Turnover Temperature
Δf = ß[T
A
-T
M
]
2
Ex. Find frequency stability at T
A
= +60°C
Δf = -0.034[60-25]
2
Δf = -0.034[35]
2
Δf = -41.65ppm
©2017 CTS® Corporation. Information/product(s) subject to change. No warranty that product(s) will meet the stated specifications for customer specific applications or test
equipment. Visit www.ctscorp.com for list of applicable patent(s), more information, or to request a quote.
TFA32 Series
Automotive Grade Tuning Fork Crystal
DOC# 008-0563-0 Rev. D Page 3 of 4
Mechanical Specifications
Package Drawing Marking Information
Recommended Pad Layout Notes
Refer to document 016-0071-0, TF Marking Guide, for
marking formats by product family.
1. JEDEC termination code (e4). Barrier-plating is
nickel [Ni] with gold [Au] flash plate.
2. Reflow conditions per JEDEC J-STD-020; +260°C
maximum, 20 seconds.
3. MSL = 1.
©2017 CTS® Corporation. Information/product(s) subject to change. No warranty that product(s) will meet the stated specifications for customer specific applications or test
equipment. Visit www.ctscorp.com for list of applicable patent(s), more information, or to request a quote.
TFA32 Series
Automotive Grade Tuning Fork Crystal
DOC# 008-0563-0 Rev. D Page 4 of 4
Packaging - Tape and Reel
Tape Drawing
Reel Drawing
Notes
1. Device quantity is 3k pieces maximum per 180mm reel.
2. Complete CTS part number, frequency value, date code and manufacturing site code information must appear
on reel and carton labels.