MICROPROCESSOR CRYSTAL UNITS
FEATURES
EXCELLENT CLOCK SIGNAL GENERATOR FOR CPU’s
WIDE FREQUENCY RANGE
INDUSTRY STANDARD PACKAGES
SPECIFICATIONS
FREQUENCY RANGE
A: HC-49/U
HOLDER TYPES
B: HC-51/U
C: UM-1
FREQUENCY TOLERANCE AT 25 °C
FREQUENCY STABILITY OVER TEMPERATURE
100.00 KHz TO 300.00 MHz
1.00 MHz TO 300.00 MHz
100.00 KHz TO 4.00 MHz
8.00 MHz TO 300.00 MHz
±30 PPM TYPICAL
±50 PPM MAXIMUM
±50 PPM TYPICAL
±100 PPM MAXIMUM
-20 °C TO +70 °C STANDARD
OPERATING TEMPERATURE RANGE
-40° C TO +85 °C EXTENDED
STORAGE TEMPERATURE RANGE
AGING
LOAD CAPACITANCE
SHUNT CAPACITANCE
EQUIVALENT SERIES RESISTANCE (ESR)
DRIVE LEVEL
SHOCK RESISTANCE
-55 °C TO +125 °C
±5 PPM PER YEAR MAXIMUM
10 TO 32 pF 0R SERIES
7 pF MAXIMUM
SEE PAGE 11
0.1 mW TYPICAL
1 mW MAXIMUM
±5 PPM MAXIMUM 75 cm DROP TEST IN 3 AXES ONTO A HARD
SURFACE OR 1000 g’s x 0.5 ms x ½ SINEWAVE IN 3 AXES
SERIES A, B, C
HC-49/U, HC-51/U, AND UM-1
FREQUENCY RANGE AND MODE OF OSCILLATION BY HOLDER TYPE
HOLDER TYPE
TYPE A: HC-49/U
TYPE B: HC-51/U
TYPE C: UM-1
FUNDAMENTAL
(FUND)
1.00 MHz TO 65.00 MHz
100.00 KHz TO 4.00 MHz
8.00 MHz TO 65.00 MHz
25.00 MHz TO 90.00 MHz
60.00 MHz TO 130.00 MHz 125.00 MHz TO 200.00 MHz 180.00 MHz TO 300.00 MHz
THIRD OVERTONE
(3OT)
20.00 MHz TO 90.00 MHz
FIFTH OVERTONE
(5OT)
SEVENTH OVERTONE
(7OT)
NINTH OVERTONE
(9OT)
60.00 MHz TO 130.00 MHz 125.00 MHz TO 200.00 MHz 180.00 MHz TO 300.00 MHz
PART NUMBERING SYSTEM
HOLDER TYPE
-
IN MHz
FREQUENCY
-
LOAD CAPACITANCE
-
F
3OT
5OT
7OT
9OT
MODE
FUNDAMENTAL
THIRD OVERTONE
FIFTH OVERTONE
SEVENTH OVERTONE
NINTH OVERTONE
-
EXT
EXTENDED
TEMPERATURE
A
B
C
HC-49/U
HC-51/U
UM-1
10 TO 32pF FOR PARALLEL
S FOR SERIES
MECHANICAL OPTIONS
THREE PIN BASE
3PIN
THIRD LEAD
(TOP OF HOUSING)
3RD
SPACER
SP
SLEEVE
SL
-
TAPE AND REEL
-
-
-
TR
† FUNDAMENTAL MODE NOT NEEDED IN PART NUMBER
EXAMPLE: A-4.000-S
A-3.579545-18-EXT-3PIN-SP-SL-TR
C-65.000-S-30T
Raltron Electronics Corporation 10651 NW 19th St. Miami, Florida 33172 U.S.A.
Tel: 305-593-6033 Fax: 305-594-3973 e-mail: sales@raltron.com Internet: http://www.raltron.com
OUTLINE DRAWINGS FOR MICROPROCESSOR CRYSTALS
19.70 MAX
13.49 MAX
.531 MAX
.776 MAX
12.00 MIN
.472 MIN
20.0 MIN
0.43 DIA
.017 DIA
4.88
.192
0.76 DIA
.030 DIA
12.34
.486
.787 MIN
0.35 DIA
.014 DIA
3.76
.148
3.30 MAX
12.00 MIN
.472 MIN
7.90 MAX
.311 MAX
8.00 MAX
.315 MAX
19.23 MAX
.757 MAX
8.94 MAX
.352 MAX
11.05 MAX
.435 MAX
4.65 MAX
.183 MAX
TYPE A (HC-49/U)
TYPE B (HC-51/U)
TYPE C (UM-1)
PACKAGE OPTIONS
13.49 MAX
TRANSPARENT
PLASTIC
SLEEVING
12.00 MIN
0.43 DIA
.017 DIA
4.88
.192
4.75 MAX
TRANSPARENT
PLASTIC
SLEEVING
11.05 MAX
.435 MAX
THIRD LEAD OPTION: 3RD
PLASTIC SLEEVE OPTION: SL
13.5 MAX
.530 MAX
3 X 0.46 DIA
3 X .018 DIA
4.88
.192
2.44
.192
20.0 MIN
.787 MIN
4.57
.187 MAX
.472 MIN
.531 MAX
0.43 DIA
.017 DIA
4.88
.192
10.66
.420
0.5 MAX
11.05 MAX
.435 MAX
3 LEAD BASE OPTION: 3PIN
4.65 MAX
.183 MAX
PLASTIC SPACER OPTION: SP
Raltron Electronics Corporation 10651 NW 19th St. Miami, Florida 33172 U.S.A.
Tel: 305-593-6033 Fax: 305-594-3973 e-mail: sales@raltron.com Internet: http://www.raltron.com
.02 MAX
2.44
.096
.180
.130 MAX
ESR CHARACTERISTICS AND TAPE AND
REEL DIMENSIONS
EQUIVALENT SERIES RESISTANCE VERSUS FREQUENCY AND PACKAGE
FREQUENCY
MHz
1.000
1.843
2.000
2.097152
2.4576
3.000
3.2768
3.579545
3.600
3.6864
4.000
4.096
4.194304
4.433619
4.9152
5.000
5.0688
5.185
5.7143
5.9904
6.000
6.144
6.400
6.5536
7.000
7.15909
7.3728
8.000
9.216
9.8304
10.000
10.738635
11.000
11.050
HOLDER TYPE
HC-51/U "B" HC-49/U "A" UM-1 "C"
B
A
B
A
B
A
B
A
B
A
B
A
B
A
B
A
B
A
B
A
B
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
C
A
C
A
C
A
C
"B"
700
600
500
500
400
150
150
120
100
100
50
ESR
"A"
700
700
500
500
400
200
180
180
160
140
80
80
80
80
60
60
60
60
50
50
50
40
40
40
30
30
30
30
30
30
25
25
25
25
"C"
11.059
12.000
12.288
13.5168
14.31818
14.7456
15.000
16.000
16.384
17.360
18.000
18.432
19.354
19.6608
20.000
22.1184
23.400
24.000
24.576
25.000
27.000
30.000
32.000
36.000
40.000
48.000
60.000
70.000
80.000
90.000
100.000
150.000
200.000
300.000
FREQUENCY
MHz
HOLDER TYPE
HC-51/U "B"
HC-49/U "A" UM-1 "C"
A
C
A
C
A
C
A
C
A
C
A
C
A
C
A
C
A
C
A
C
A
C
A
C
A
C
A
C
A
C
A
C
A
C
A
C
A
C
A
C
A
C
A
C
A
C
A
C
A
C
A
C
A
C
A
C
A
C
A
C
A
C
A
C
A
C
A
C
"B"
ESR
"A"
25
25
25
25
25
25
25
25
25
25
20
20
20
20
20
20
20
20
30
30
30
30
30
30
30
30
30
30
30
40
40
50
100
150
"C"
50
40
40
40
35
35
35
30
35
30
25
30
30
30
30
25
25
25
25
20
20
20
60
60
50
50
40
40
40
40
100
70
120
180
50
50
50
50
CARRIER TAPE DIMENSIONS
HC-49/U ONLY
PACKAGING
370 mm REEL DIAMETER, 18 mm TAPE WIDTH, 12.7 mm PITCH, QUANTITY 1000 PIECES PER REEL
Raltron Electronics Corporation 10651 NW 19th St. Miami, Florida 33172 U.S.A.
Tel: 305-593-6033 Fax: 305-594-3973 e-mail: sales@raltron.com Internet: http://www.raltron.com
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