FREQUENCY
QEHC49H3
HC49/S Crystal – Through Hole packaged
Specification (Rev-D)
Electrical Characteristics ......................................................P01
ESR vs. frequency range and Mode of vibration ..................P01
Mechanical Characteristics ...................................................P01
Ordering Information .............................................................P02
Radial taping specification ....................................................P02
QEHC49H3
HC49/S Crystal – Through Hole packaged
Specification (rev-D) June 29
th
, 2006
Frequency
1
TEMEX reserves the right to modify herein specifications and informations at any time when necessary to provide optimum performance and cost.
Electrical Characteristics
Electrical Parameters Unit Minimum Typical Maximum Test conditions
Frequency range
MHz 3.200 66.000
Frequency Tolerance (at 25°C) ± ppm 10 30 50 Refer to Ordering Information
Temperature Stability
± ppm 10 30 50 Refer to Ordering Information
Operating Temperature Range
°C -20/+70 -40/+85 Refer to Ordering Information
Storage temperature range
°C -40 +85
Shunt capacitance C
0
pF 7.0
Load capacitance
pF 10pF ~ 32pF or series Refer to Ordering Information
Drive level
µW 100 500
Aging (First Year)
± ppm 5 Ref at 25°C
Insulator resistance
MΩ 500 At 100V
DC
Customized specification upon request
ESR vs. frequency range and Mode of vibration
Mechanical Characteristics
Marking for QEHC49H3
Frequency in MHz (6 digits)
On top
Frequency range (MHz) Mode of vibration Max ESR (Ω) Frequency range (MHz) Mode of vibration Max ESR (Ω)
3.200 to 4.499 Fund. 150 9.000 to 9.999 Fund. 60
4.500 to 5.999 Fund. 120 10.000 to 12.999 Fund. 50
6.000 to 6.999 Fund. 100 13.000 to 30.000 Fund. 40
7.000 to 7.999 Fund. 90 30.000 to 66.000 3rd 80
8.000 to 8.999 Fund. 80
H = 3.56 [0.140] max
5.0 [0.197] max
Mechanical conditions
Vibration 10g, 10Hz to 2KHz
according to standard CEI
68-2-63
Shocks 100g, 6ms according to
standard CEI 68-2-27
Note 1 : QEHC49H3 is fully RoHS
compliant.
QEHC49H3
HC49/S Crystal – Through Hole packaged
Specification (rev-D) June 29
th
, 2006
2
TEMEX reserves the right to modify herein specifications and informations at any time when necessary to provide optimum performance and cost.
Frequency
Ordering Information
Radial taping specification
Part numbering system
QEHC49H3 1 30 HQ 50 16 25.000MHZ
Package type Vibration
mode
Frequency
tolerance
Operating
temperature
range
Frequency
stability
Load
Capacitance
Nominal
Frequency
(MHz)
QEHC49H3 :
HC49/S Through
Hole packaged
1 = Fundamental
3 = 3
rd
Overtone
5 = 5
th
Overone
10=±10ppm
30=±30ppm
50=±30ppm
D=-40°C
F= -30°C
H=-20°C
J=-10°C
L=0°C
M=+50°C
N=+55°C
O=+60°C
Q=+70°C
T=+85°C
10=±10ppm
30=±20ppm
50=±30ppm
16=16pF
Please, enter the
value of load
capacitance
Please enter the
nominal
frequency
Item Symbol Dimensions
Product size A1 x A 11.05x13.46 max
Product thickness T 4.65 max
Feed hole location P1
3.81±0.7
Feed hole pitch P
0
12.7±0.3
Lead span F
5.0±0.5
Tape width X
18.0±1.0
Cover tape width W
0
12.7±1.0
Tolerance of leading hole W1
9.0±0.5
Masking tape location H
20.0±0.5
Feed hole diameter D
0
4.0±0.2
Tape thickness t
0.6±0.2
