Resistance Weld Thru-Hole Crystal
(Former HC49ULF)
C4UT
DATASHEET
•
Tolerances down to 10 PPM
•
Stabilities down to 10 PPM
•
Temperature Ranges as wide as
-40ºC
to +85ºC
•
C4UT STANDARD SPECIFICATIONS
PARAMETERS
Frequency Range
Frequency Tolerance @ 25ºC
Frequency Stability, ref @ 25ºC
Over Operating Temp Range
Temperature Range
Operating (T
OPR
)
Storage
(T
STG
)
Shunt Capacitance (C
o
)
Load Capacitance (C
L
)
Drive Level
Aging per year
Termination Finish
Seal Method
Lead (Pb) Free
RoHS Compliant
MAX
(unless otherwise noted)
3.579545 ~ 180.000 MHz
(See options on page 2)
(See options below)
(See options below)
-40ºC ~ +85ºC
7.0 pF
(See options on page 2)
1.0 mW
±5 PPM
Sn/3.0Ag/0.5Cu
Resistance Weld
Yes
Yes
Frequency Range
(MHz)
3.579545 ~ 3.700
>3.700 ~ 4.200
>4.200 ~ 4.900
>4.900 ~ 5.000
>5.000 ~ 6.000
>6.000 ~ 8.000
>8.000 ~ 10.000
>10.000 ~ 12.500
>12.500 ~ 16.000
>16.000 ~ 30.000
23.000 ~ 96.000
60.000 ~ 140.000
110.000 ~ 180.000
Operating Mode
Fundamental
Fundamental
Fundamental
Fundamental
Fundamental
Fundamental
Fundamental
Fundamental
Fundamental
Fundamental
3rd OT
5th OT
7th OT
Max ESR
Ω
120
100
70
55
50
40
35
30
25
20
40
80
120
All dimensions are in millimeters.
•Available Operating Temperatures and Stabilities*
Operating Temperature
±10 PPM
±15 PPM
O
O
O
±20 PPM
O
O
O
±25 PPM
O
O
O
±30 PPM
O
O
O
±50 PPM
O
O
O
O
-10°C to +60°C
O
-20°C to +70°C
-40°C to +85°C
X
Key: O=Available, X=Not Available
*Does not imply a stocked part.
© Copyright 2017 Fox Electronics, All rights reserved
Title / Description:
C4UT STANDARD SPECIFICATIONS
Drawing Number:
101159
Size: A
Part Number:
Cage:
61429
Draftsperson:
CMR
Approved:
BEC
Revision Date:
09/05/2017
Page
1
of
3
Resistance Weld Thru-Hole Crystal
(Former HC49ULF)
C4UT
DATASHEET
Available Options & Part Identification for Thru-Hole Crystal C4UT*
F C4UT C B M F 16.0
F
FOX
C4UT
Model
Number
C
Tolerance
B=50ppm
C=30ppm
D=25ppm
E=20ppm
F=15ppm
H=10ppm
B
Stability
B=50ppm
C=30ppm
D=25ppm
E=20ppm
F=15ppm
H=10ppm
M
Load
Capacitance
A=Series
E=10pF
G=12pF
U=13pF
L=18pF
M=20pF
N=22pF
Q=30pF
R=32pF
S=33pF
F
Operating
Temperature
D=-10 to +60C
F=-20 to +70C
M=-40 to +85C
16.0
Frequency
(MHz)
*Not
all frequency, tolerance, stability, load, and operating temperature combinations may be available.
•
C4UT (former HC49ULF) Standard Crystals
Part Number
FOXLF036S
FOXLF0368S
FOXLF0368-20
FOXLF040A
FOXLF040
FOXLF080-20
FOXLF100-20
FOXLF115
FOXLF115-20
FOXLF120
FOXLF120-20
FOXLF160
FOXLF160-20
FOXLF200-20
FOXLF250F-20
Frequency
3.579545
3.686400
3.686400
4.000000
4.000000
8.000000
10.000000
11.059200
11.059200
12.000000
12.000000
16.000000
16.000000
20.000000
25.000000
Tolerance
± 30 ppm
± 30 ppm
± 30 ppm
± 30 ppm
± 30 ppm
± 30 ppm
± 30 ppm
± 30 ppm
± 30 ppm
± 30 ppm
± 30 ppm
± 30 ppm
± 30 ppm
± 30 ppm
± 30 ppm
Stability
± 50 ppm
± 50 ppm
± 50 ppm
± 50 ppm
± 50 ppm
± 50 ppm
± 50 ppm
± 50 ppm
± 50 ppm
± 50 ppm
± 50 ppm
± 50 ppm
± 50 ppm
± 50 ppm
± 50 ppm
Temp Range
-20 to +70 C
-20 to +70 C
-20 to +70 C
-20 to +70 C
-20 to +70 C
-20 to +70 C
-20 to +70 C
-20 to +70 C
-20 to +70 C
-20 to +70 C
-20 to +70 C
-20 to +70 C
-20 to +70 C
-20 to +70 C
-20 to +70 C
CL
18pF
Series
20pF
Series
20pF
20pF
20pF
Series
20pF
Series
20pF
Series
20pF
20pF
20pF
© Copyright 2017 Fox Electronics, All rights reserved
Title / Description:
C4UT STANDARD SPECIFICATIONS
Drawing Number:
101159
Size: A
Part Number:
Cage:
61429
Draftsperson:
CMR
Approved:
BEC
Revision Date:
09/05/2017
Page
2
of
3
Resistance Weld Thru-Hole Crystal
(Former HC49ULF)
C4UT
DATASHEET
Corporate
Headquarters
Sales
5570 Enterprise Parkway
Fort Myers, FL 33905
http://www.FOXONLINE.com
1-888-GET-2-FOX (1-888-438-2369) or
1-239-693-0099
http://www.FOXONLINE.com/repdisty
http://www.FOXONLINE.com/email
Tech Support
PRODUCT USE: Fox Electronics reserves the right to modify the products and/or specifications described herein at any time and at Fox
Electronics' sole discretion. All information in this document, including descriptions of product features and performance, is subject to change
without notice. Performance specifications and the operating parameters of the described products are determined in the independent state and
are not guaranteed to perform the same way when installed in customer products. The information contained herein is provided without
representation or warranty of any kind, whether express or implied, including, but not limited to, the suitability of Fox Electronics' products for any
particular purpose, an implied warranty of merchantability, or non-infringement of the intellectual property rights of others. This document is
presented only as a guide and does not convey any license under intellectual property rights of Fox Electronics or any third parties.
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Fox Electronics and the Fox logo are registered trademarks of Fox Electronics. Product specification is subject to change without notice. Other
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respective third party owners.
For datasheet type definitions and a glossary of common terms, visit http://www.foxonline.com/tgcrystals.html .
© Copyright 2017 Fox Electronics, All rights reserved
Title / Description:
C4UT STANDARD SPECIFICATIONS
Drawing Number:
101159
Size: A
Part Number:
Cage:
61429
Draftsperson:
CMR
Approved:
BEC
Revision Date:
09/05/2017
Page
3
of
3
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