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HC49153020SR3RDBUT Datasheet, PDF (18/31 Pages) List of Unclassifed Manufacturers – SPECIFYING QUARTZ CRYSTALS
UM5 & UM4 CRYSTALS
ISSUE 6; 12 JANUARY 1996
Delivery Options
n Please contact our sales office for current leadtimes
Holder Style
n UM5 & UM4 crystals are resistance welded, hermeti-
cally sealed in an inert atmosphere with glass to metal
seals securing the lead wires
n Holders suffixed ‘–3L have a centre third wire which
grounds the case
General Specifications
n Load Capacitance (CL): 10pF to 75pF or Series
n Drive Level: 1mW max.
n Static Capacitance (C0): 6pF max
n Ageing: ±3ppm typical per year
Standard Frequency Tolerances and Stabilities
n ±5ppm, ±10ppm, ±15ppm, ±20ppm, ±30ppm,
±50ppm, ±100ppm
Operating Temperature Ranges
n 0 to 50°C
–10 to 60°C
–20 to 70°C
–30 to 80°C
–40 to 90°C
–55 to 105°C
Storage Temperature Range
n –55 to 125°C
Environmental Specification
n Shock: 981m/s2 for 6ms, three shocks in each direc-
tion along three mutually perpendicular planes
n Vibration: 10 to 60Hz 0.75mm displacement, 60 to
500Hz 98.1m/s2 acceleration, 30 minutes in each of
three mutually perpendicular planes
Marking
n Includes Frequency
Minimum Order Information Required
n Frequency + Holder + Frequency Tolerance @ 25°C
+ Frequency Stability + Operating Temperature
Range + Circuit Condition + Overtone Order
Outline in mm (inches) - UM5 & UM5-3L
7 .0
7 .0
(0 .2 7 6 )
(0 .2 7 6 )
6 .0
(0 .2 3 6 )
6 .0
(0 .2 3 6 )
Æ 0 .3 5
(Æ 0 .0 1 4 )
1 2 .0 m in
(0 .4 7 2 m in )
Æ 0 .3 5
(Æ 0 .0 1 4 )
1 2 .0 m in
(0 .4 7 2 m in )
3 .7 5 (0 .1 4 8 )
3 .7 5 (0 .1 4 8 )
7 .8
(0 .3 0 7 )
3 .2 (0 .1 2 6 )
123
3 .2 (0 .1 2 6 )
7 .8
(0 .3 0 7 )
P in c o n n e c tio n s
1 . C ry s ta l
2 . C a s e & g ro u n d
3 . C ry s ta l
Outline in mm (inches) - UM4 & UM4-3L
7 .0
(0 .2 7 6 )
7 .0
(0 .2 7 6 )
Æ 0 .3 5
(Æ 0 .0 1 4 )
4 .8
(0 .1 8 9 )
1 2 .0 m in
(0 .4 7 2 m in )
Æ 0 .3 5
(Æ 0 .0 1 4 )
4 .8
(0 .1 8 9 )
1 2 .0 m in
(0 .4 7 2 m in )
3 .7 5 (0 .1 4 8 )
3 .7 5 (0 .1 4 8 )
3 .2 (0 .1 2 6 )
7 .8
(0 .3 0 7 )
12 3
3 .2 (0 .1 2 6 )
7 .8
(0 .3 0 7 )
P in c o n n e c tio n s
1 . C ry s ta l
2 . C a s e & g ro u n d
3 . C ry s ta l
Typical Frequency vs Temperature Curves
for various angles of AT-cut crystals
+ 25
0
Europe Tel: +44 (0)1460 74433 Fax: +44 (0)1460 72578
–25
–50
–20
+ 25
T e m p e ra tu re (° C )
+ 70
+ 100
18
Americas Tel: +1 919 941 0430 Fax: +1 919 941 0530