TFA32 Series
Features
Automotive Grade Tuning Fork Crystal
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
Industrial Control Equipment
M2M Communications
FPGAs & Microcontrollers
Part Dimensions:
3.2 × 1.5 × 0.9mm
•
12.1467mg
Applications
Automotive Electronics
Car Navigation Systems
Car Infotainment Systems
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
Model
TF
A32
Frequency
Tolerance
2
Load
Capacitance
P
Temperature
Range
I
Frequency Code
[kHz]
Packaging
R
327K
Package
Code
Automotive
A
3.2x1.5mm
32
Code
P
J
V
T
Capacitance
12.5pF
9pF
7pF
6pF
Code
Frequency
Frequency = 32.7680kHz
Code
2
1
@ +25°C
±20ppm
±10ppm
Temp. Range
Code
-40°C to +85°C
I
-40°C to +105°C
G
H
-40°C to +125°C
1
Packing
Code
3k pcs./reel
R
Notes:
1] Check with factory for availability.
Not all performance combinations and frequencies may be available.
Contact your local CTS Representative or CTS Customer Service for availability.
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.
DOC# 008-0563-0 Rev. D
Page 1 of 4
©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.
Automotive Grade Tuning Fork Crystal
TFA32 Series
Electrical Specifications
Operating Conditions
P ARAMETER
O perating Temperature
Turnover Temperature
Storage Temperature
SYMBO L
T
A
T
M
T
STG
CO NDITIO NS
-
-
-
MIN
-40
-40
-40
+20
-55
+25
-
+25
TYP
MAX
+85
+105
+125
+30
+125
°C
°C
°C
UNIT
Frequency Stability
P ARAMETER
Frequenc y
Frequenc y Toleranc e
[Note 1]
SYMBO L
f
O
Δf/f
O
ß
Δf/f
0
CO NDITIO NS
-
Standard @ +25°C
See Figure 1
First Year @ +25°C
MIN
TYP
32.7680
MAX
UNIT
kHz
-20
-
-0.034 ±0.010
20
ppm
ppm/°C
2
P arabolic Coeffic ient
Aging
-3
-
3
ppm
Crystal Parameters
P ARAMETER
O perating Mode
Load Capac itanc e
[Note 1]
SYMBO L
-
C
L
C
0
C
1
R
1
DL
R
i
CO NDITIO NS
-
Standard
-
-
-
-
+100Vdc ±15Vdc
MIN
TYP
MAX
UNIT
-
pF
pF
fF
kΏ
µW
MΏ
Flexural Mode [Tuning Fork]
-
-
-
-
-
500
12.5
1.2
3.4
-
0.5
-
-
-
-
70
1.0
-
Shunt Capac itanc e
Motional Capac itanc e
Series Resistanc e
Drive Level
Insulation Resistanc e
1.] See Ordering Information for available options.
Figure 1
Frequency Stability [Δf] at a given temperature,
Δf =
ß[T
A
-T
M
]
2
ß = Parabolic Coefficient
T
A
= Ambient Temperature
T
M
= Turnover Temperature
Ex. Find frequency stability at T
A
= +60°C
Δf = -0.034[60-25]
2
Δf = -0.034[35]
2
Δf = -41.65ppm
DOC# 008-0563-0 Rev. D
Page 2 of 4
©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.
Automotive Grade Tuning Fork Crystal
TFA32 Series
Mechanical Specifications
Package Drawing
Marking Information
Refer to document 016-0071-0, TF Marking Guide, for
marking formats by product family.
Recommended Pad Layout
Notes
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.
DOC# 008-0563-0 Rev. D
Page 3 of 4
©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.
Automotive Grade Tuning Fork Crystal
TFA32 Series
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.
DOC# 008-0563-0 Rev. D
Page 4 of 4
©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.
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