QEHC49U
HC49U Crystal – Through Hole packaged
Specification (rev-D) June 27
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
QEHC49U 1 30 HQ 50 16 25.000MHZ
Package type Vibration
mode
Frequency
tolerance
Operating
temperature
range
Frequency
stability
Load
Capacitance
Nominal
Frequency
(MHz)
SMD Package
QEHC49U : HC49U
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
