B, BT, BR Series
HC-49/US Microprocessor Crystals
PART NUMBERING GUIDE
Package
B =HC49/US (3.68mm max. ht.)
BT=HC49/US (2.50mm max. ht.)
BR=HC49/US (2.00mm max. ht.)
Tolerance/Stability
A=±50/100
N=±10/10ppm
B=±30/50
P=±20/30ppm
C=±15/30
D=±15/50
E=±25/30
F=±25/50
G=±10/30
H=±20/20
J=± 5/10
K=±20/20
L=±10/25
M=±15/15
Lead-Free
RoHS Compliant
C A L I B E R
Electronics Inc.
Environmental/Mechanical Specifications on page F5
B A 32 C 3 - 30.000MHz - I - AT
Configuration Options
I=Insulator Tab, TR=Tape and Reel (ammo for thru-hole), L=Third Lead
L3=Third Lead/Base Mount, V=Vinyl Sleeve, AT=Cut of Quartz
SP=Spring Mount, G-Gull Wing, G1=Gull Wing/Metal Jacket
Mode of Operation
1=Fundamental (over 25.000MHz AT and BT Cut Available)
3=Third Overtone, 5=Fifth Overtone
Operating Temperature Range
C=0°C to 70°C
E=-20°C to 70°C
F=-40°C to 85°C
Load Capacitance
S=Series, XX=XXpF (Pico Farads)
ELECTRICAL SPECIFICATIONS
Frequency Range
Frequency Tolerance/Stability
A, B, C, D, E, F, G, H, J, K, L, M
Operating Temperature Range
“C” Option, “E” Option, “F” Option
Aging
Storage Temperature Range
Load Capacitance
“S” Option
“XX” Option
Shunt Capacitance
Insulation Resistance
Drive Level
3.579545MHz to 100.000MHz
Revision: 1994-D
See above for details!
Other Combinations Available. Contact Factory for Custom Specifications.
0°C to 70°C, -20°C to 70°C, -40°C to 85°C
±5ppm / year Maximum
-55°C to 125°C
Series
10pF to 50pF
7pF Maximum
500 Megaohms Minimum at 100Vdc
2mWatts Maximum, 100uWatts Correlation
Solder Temp. (max) / Plating / Moisture Sensitivity
260°C / Sn-Ag-Cu / None
EQUIVALENT SERIES RESISTANCE (ESR)
Frequency (MHz)
3.579545 to 4.999
5.000 to 5.999
6.000 to 7.999
8.000 to 8.999
ESR (ohms)
200
150
120
90
Frequency (MHz)
9.000 to 9.999
10.000 to 14.999
15.000 to 15.999
16.000 to 23.999
ESR (ohms)
80
70
60
40
Frequency (MHz)
24.000 to 30.000
24.000 to 50.000
24.576 to 29.999
30.000 to 60.000
ESR (ohms)
40 (AT Cut Fund)
40 (BT Cut Fund)
100 (3rd OT)
100 (3rd OT)
MECHANICAL DIMENSIONS
All Dimensions in mm.
6.35
MIN
Marking Guide
12.000CYM
12.000 = Frequency
C
= Caliber Electronics Inc.
YM
= Date Code (Year/Month)
11.18
MAX
0.457±0.051DIA
4.88±0.2
4.70 MAX
3.68 MAX
TEL
949-366-8700
FAX
949-366-8707
WEB
http://www.caliberelectronics.com
实时操作系统RTOS
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