FC4SD
(Former HC49SDLF)
11.7mm x 5.0mm
Resistance Weld SMD Crystal
Features
•
•
•
Tolerances down to ±10 ppm
Stabilities down to ±5 ppm
Operating Temperature Range to -55°C ~ +125°C
STANDARD SPECIFICATIONS
PARAMETERS
Frequency Range
Frequency Tolerance @ 25°C
Frequency Stability, ref 25°C
Over Operating Temp Range
Temperature Range
Operating (TOPR)
Storage (TSTG)
Shunt Capacitance (CO)
Load Capacitance (CL)
Drive Level
MAX (Unless otherwise noted)
3.200 ~ 80.000 MHz
(See options below)
Aging per year (@ 25°C)
Maximum Soldering Temp / Time
Moisture Sensitivity Level (MSL) per
J-STD-033
Termination Finish
Seal Method
Lead (Pb) Free
RoHS Compliant
±3 PPM
260°C / 10 Seconds x 2
1
Frequency Range (MHz)
3.200 ~ 3.500
>3.500 ~ 4.000
>4.000 ~ 5.000
>5.000 ~ 6.000
>6.000 ~ 7.000
>7.000 ~ 9.000
>9.000 ~ 13.000
>13.000 ~ 20.000
>20.000 ~ 40.000
24.000 ~ 70.000
>70.000 ~ 80.000
Revised A: 06/10/2019
DIMENSIONS / MECHANICAL
SPECIFICATIONS
(See options below)
(See options below)
-55°C ~ +125°C
7 pF
(See options below)
0.5mW (100µW Typical)
Sn/Ag3.0/Cu0.5
Resistance Weld
Yes
Yes-No Exemptions
Operating Mode Max ESR Ω
Fundamental
Fundamental
Fundamental
Fundamental
Fundamental
Fundamental
Fundamental
Fundamental
Fundamental
3rd OT
3rd OT
300
200
150
120
100
80
60
40
30
100
70
Page 1 of 2
Note: Dimensional drawing is for reference to critical
specifications defined by size measurements. Certain
non-critical visual attributes, such as side castellations,
etc. may vary.
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FC4SD
11.7mm x 5.0mm
Resistance Weld SMD Crystal
(Former HC49SDLF)
AVAILABLE OPERATING TEMPERATURES AND STABILITIES*
Operating Temperature ±5 PPM
±10 PPM ±15 PPM ±20 PPM ±25 PPM ±30 PPM ±50 PPM ±100 PPM
-10°C to+60°C
O
O
O
O
O
O
O
O
-20°C to +70°C
∆
O
O
O
O
O
O
O
-40°C to +85°C
X
X
O
O
O
O
O
O
-40°C to+105°C
X
X
X
X
X
∆
O
O
-40°C to+125°C
X
X
X
X
X
X
∆
O
-55°C to+125°C
X
X
X
X
X
X
∆
O
Key: O = Available, X = Not Available, ∆ = Consult Fox Technical Support *Does not imply a stocked part.
TAPE SPECIFICATIONS (mm)
A
ø1.55
B
4.0
C
12.0
D
11.5
E
24.0
F
4.8
REEL SPECIFICATIONS (mm)
REEL QTY
-T1 = 1,000
G
2.0
H
Ø13
I
Ø21
J
Ø80
K
Ø330
L
25.5
M
2.0
Available Options & Part Identification for Crystal Model C4SD1
Sample PN: FC4SDCBMF25.0-T1
F
C4SD
Fox
Model
Number
C
B
Tolerance
Stability
B = ±50ppm A = ±100 ppm
C = ±30ppm B = ±50 ppm
D = ±25ppm C = ±30 ppm
E = ±20ppm D = ±25 ppm
F = ±15ppm E = ±20 ppm
H = ±10ppm F = ±15 ppm
H = ±10 ppm
L = ±5 ppm
M
F
25.0
-T1
Load
Capacitance2
A = Series
E = 10pF
G = 12pF
J = 15pF
K = 16pF
L = 18pF
M = 20pF
Operating
Temperature
D = -10 to +60°C
F = -20 to +70°C
M = -40 to +85°C
P = -40 to +105°C
I = -40 to +125°C
T = -55 to +125°C
Frequency
(MHz)
Values Added
Options
Blank = Bulk
T1 = 1,000 pcs
1 Not all frequency, tolerance, stability, load, and operating temperature combinations may be available.
2 Listed load capacitances represent the most commonly used. Other load capacitances are available. Contact us for assistance
Reliability Test Conditions
Please contact Abracon Quality Assurance department
Revised A: 06/10/2019
Page 2 of 2
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