MIL-PRF-3098/67F
Inches
mm
Ltr
Min
Max
Min
Max
A
---
.567
---
14.40
B
---
.237
---
6.02
C
---
.535
---
13.59
D
.030
.037
0.76
0.94
E
.264
.303
6.71
7.70
F
---
.207
---
5.26
G
---
.640
---
16.26
H
.233
.248
5.92
6.30
J
.015
.025
0.38
0.64
K
.165
.175
4.19
4.45
L
.038
.042
0.97
1.07
NOTES:
1. Dimensions are in inches.
2. Metric equivalents are given for general information only.
3. The pin undercut may be omitted.
4. Marking to be in accordance with MIL-PRF-3098.
FIGURE 1. Crystal unit - CR89/U - Continued.
REQUIREMENTS:
Dimensions, marking, and configuration: See figure 1.
Frequency range: 2.12 MHz to 6.2 MHz, inclusive.
Mode of oscillation: Fundamental.
Rated drive level: 1.0 mW maximum.
Operating temperature range (noncontrolled): -55C to +90C, inclusive.
Frequency tolerance: 50 ppm,
Equivalent resistance: See table I.
Antiresonance, load capacitance: 30.0 pF 0.5 pF.
Capacitance, shunt: 7.0 pF, maximum.
Shock (specified pulse):
Frequency change permitted: 5 ppm.
Equivalent resistance change permitted: 15 percent.
2
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