1. SCOPE
This specification shall cover the characteristics of the ceramic
resonator with the type ZTT20.00MX.
2. PART NO.:
PART NUMBER CUSTOMER PART NO SPECIFICATION NO
ZTT20.00MX
3. OUTLINE DRAWING AND DIMENSIONS:
3.1 Appearance: No visible damage and dirt.
3.2 Construction: Leads are soldered on electrode and body is molded by
resin.
3.3 Dimensions:
UNIT：mm
6. PHYSICAL AND ENVIRONMENTAL CHARACTERISTICS
No
6.1
Item
Humidity
Performance
Requirements
Subject the resonator at +40±2
℃
and It shall fulfill the
90%-95% R.H. for 500 hours, resonator specifications in
shall be measured after being placed in Table 1.
natural conditions for 1 hour.
Subject the resonator to +85±5
℃
for 500 It shall fulfill the
hours, resonator shall be measured after specifications in
being placed in natural conditions for 1 Table 1.
hour.
Subject the resonator to –25±5
℃
for 500 It shall fulfill the
hours, resonator shall be measured after specifications in
being placed in natural conditions for 1 Table 1.
hour.
Subject the resonator to
－25
℃
for 30 It shall fulfill the
min. followed by a high temperature of
＋
specifications in
85
℃
for 30 min. Cycling shall be repeated Table 1.
5 times. Resonator shall be measured
after being placed in natural conditions for
1 hour.
Subject the resonator to vibration for 2 It shall fulfill the
hours each in x y and z axis with the specifications in
amplitude of 1.5mm, the frequency shall Table 1.
be varied uniformly between the limits of
10Hz-55Hz and then resonator shall be
measured.
Resonator shall be measured after 3 No
visible
times' random dropping from the height of damage and it
100cm on concrete floor.
shall fulfill the
specifications in
Table 1.
Lead terminals are immersed up to 2 mm It shall fulfill the
from resonator’s body in soldering bath of specifications in
260±5
℃
for 5±1 seconds and then Table 1.
resonator shall be measured after being
placed in natural conditions for 1 hour
Lead terminals are immersed up to 2mm More than 95%
from resonator’s body in soldering bath of of the terminal
235±5
℃
for 2±0.5 sec.
surface of the
resonator shall
be covered with
fresh solder.
Condition of Test
6.2
High
Temperature
Exposure
Low
Temperature
Exposure
Temperature
Cycling
6.3
6.4
6.5
Vibration
6.6
Mechanical
Shock
6.7
Resistance
to Soldering
Heat
6.8
Solderability
(Continued from the preceding page)
No
6.9
Item
Performance
Requirements
No
visible
Force of 5N is applied to each lead in damage and it
axial direction for 10±1 sec.
shall fulfill the
When force of 5N is applied to each specifications in
lead in axial direction,the lead shall Table 1.
folded up 90°from the axial direction
and folded back to the axial direction.
The speed of folding shall be each 3
seconds.
Condition of Test
Terminal
Strength
6.9.1 Terminal
Pulling
6.9.2 Terminal
Bending
Table 1
Item
Oscillation Frequency Change
Δfosc/fosc
（%）max
Specification after test
±0.3
（Refer
to the initial value）
Resonant Impedance
Ro（
Ω
）
30
max
Note
：
The limits in the above table are referenced to the initial
measurements.
7. REVIEW OF SPECIFICATIONS
When something gets doubtful with this specifications, we shall jointly
work to get an agreement.
Talking
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