RTC - 72421 / 72423
Page - 19 MQ - 162 - 03
External dimensions
1. RTC-72421
23.1 Max.
6.3
4.2
Max.
2.54
Min.
0.2
Min.
2.54
0.46
7.62
0 - 15
0.25
1.52
2. RTC-72423
Min.
16.3 Max.
7.9
0.35
1.27
0.1
2.8
Max.
1.0
12.0
0.2
0 - 10
Unless otherwise stated, all units are [mm]
Marking layout
RTC72421
EPSON
A
6053C
Type
Frequency tlerance
Manufacturing lot no.
Indications of frequency tolerance
Type Tolerances
RTC-72421
RTC-72423
A
B
A
No indications
Indication
Logo mark
±
50 x10
-6
±
10 x10
-6
±
50 x10
-6
±
20 x10
-6
Note: The illustration is a general representation of the content and location of information on the
label, and is not a detailed specification of the typeface, size or positioning of printing used on the
label.