ESR Chart
Frequency Range
1.8432MHz to 1.999MHz
ESR (Ohms)
Mode / Cut
Fund / AT
Fund / AT
Fund / AT
Fund / AT
Fund / AT
Fund / AT
Fund / AT
Fund / AT
Fund / AT
Fund / AT
3rd OT / AT
5th OT /AT
800 Max
550 Max
350 Max
250 Max
200 Max
150 Max
120 Max
100 Max
70 Max
2.000MHz to 2.399MHz
2.400MHz to 2.999MHz
3.000MHz to 3.199MHz
3.200MHz to 3.499MHz
3.500MHz to 3.599MHz
3.600MHz to 3.999MHz
4.000MHz to 4.999MHz
5.000MHz to 5.999MHz
6.000MHz to 40.000MHz
24.000MHz to 75.000MHz
75.001MHz to 160.000MHz max
40 Max
40 Max
100 Max
Part Number Guide
Frequency
A
HC-49/U
Mode of Operation
RoHS Compliant
Blank = Not Compliant
F = Is Compliant
1 = Fundamental
3 = 3rd Overtone
5 = 5th Overtone
Temperature
Tolerance/Stability*
Value Added Options
Blank = No Added Options
I = Mylar Insulator Tab
L = 3rd Lead (Top of Can)
3 = 3 Lead Base
CLXXX = Cut Leads
XXX = Lead Length Code
A = ±50 ppm / ±100 ppm
B = ±30 ppm / ±50 ppm
C = ±15 ppm / ±30 ppm
D = ±10 ppm / ±15 ppm
E = ±50 ppm / ±50 ppm
N = ±10 ppm / ±10 ppm
Load Capacitance
Operating Temperature
A = 0°C to +70°C
B = -20°C to +70°C
S = Series
20 = 20pF (Standard)
XX = XXpF (8pF to 50pF)
C = -40°C to +85°C **
* Please consult with MMD sales department for any other parameters or options.
** Not all Frequency Tolerance/Stability options available at this temperature range.
Mechanical Details
4.70 [.185]
MAX
13.46 [.530]
MAX
12 MM Min
0.43 [.017]
4.88 [.192]
MXX.XXX
SYMCCL
11.20 [.441]
MAX
DIMENSIONS IN BRACKETS ARE IN INCHES
MMD Monitor/Quartztek
30400 Esperanza, Rancho Santa Margarita, CA, 92688
Phone: (949) 709-5075, Fax: (949) 709-3536, www.mmdcomp.com
Sales@mmdcomp.com
Revision:
08/14/13 J
Pg 2 of 3
Specifications subject to notice without notice
ILSI [ ILSI ]
