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1. SCOPE
Email: lge@luguang.cn
This specification shall cover the characteristics of the ceramic
filter with the type LT10.7MS2.
2. PART NO.:
PART NUMBER
CUSTOMER PART NO
SPECIFICATION NO
LT10.7MS2
3. OUTLINE DRAWING AND STRUCTURE:
Appearance: No visible damage and dirt.
Construction: Leads are soldered on electrode and body is molded by
resin.
Dimensions:
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M ol d R e si n
Ceramic
Substrate
O v e r c o a ti n g
Solder
L e a d
W ir e
3.4 STRUCTURE
Component
Lead Wore
Mold Resin
Solder
Ceramic Substrate
Over coating
Material
Solder plating copper wire
epoxy resin
High-melting solder (No Pb)
Lead
titanate-zirconate
Clear Epoxy Resin
4. RATING AND ELECTRICAL SPECIFICATIONS:
4.1 RATING
Items
Withstand DC Voltage max
Applied DC voltage max
Operating temperature
Temp. Coefficient of Frequency
(%) max
Storage temperature range
Content
50V 1minute
10V
-20℃½80℃
±0.5（Center
Frequency
drift，
-20℃½80℃）
-40℃½80℃
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4.2 ELECTRICAL SPECIFICATIONS
Items
Center Frequency
3dB Band Width
20dB Band Width
Insertion Loss
fo (MHz)
(kHz)
(kHz) max
(dB) max
(dB) min
(Ω)
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Content
10.700±0.030 (Red)
10.670±0.030(Blue)
10.730±0.030(Orange)
230±50
570
6.0
1.0
40
(9 MHz ~12MHz)
330
Ripple (within 3dB bandwidth) % max
Spurious Response
Input/Output Impedance
5. MEASUREMENT:
Measurement Conditions:
Parts shall be measured under a condition ( Temp.
：
20
℃
±15
℃
,Humidity
：
65%±20% R.H.) unless the standard
condition(Temp.：25℃±3℃,Humidity
：65%±5%
R.H.) is regulated
to measure.
Test Circuit:
Rg+R1=R2=330Ω
C=10pF(Including stray capacitance and input capacitance of RF voltmeter)
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6 PHYSICAL AND ENVIRONMENTAL CHARACTERISTICS
No
Item
Condition of Test
Subject the filter at (60
±
2)
℃
and
90%~95% R.H. for 100 hours, filter shall be
measured after being placed in natural
conditions for 1 hour.
Subject the filter to (85
±
5)
℃
for 100
hours, filter shall be measured after being
placed in natural conditions for 1 hour.
Performance
Requirements
It shall fulfill the
specifications
in
Table 1.
6.1
Humidity
6.2
6.3
High
Temperature
Exposure
Low
Temperature
Exposure
It shall fulfill the
specifications
in
Table 1.
Subject the filter to (–-40±5)℃ for 100 hours,
It shall fulfill the
filter shall be measured after being placed in
specifications
in
natural conditions for 1 hour.
Table 1.
After temperature cycling of blow table was
performed 5 times, filter shall be measured after
being placed in natural conditions for 1 hour.
6.4
Thermal
shock
6.5
Vibration
Temperature
Time
1
(–40±3)℃
(30±3) mins
2
Room temp.
5S
3
(+85±3)℃
(30±3) mins
4
Room temp.
5S
Subject the filter to vibration for 2 hours
each in x y and z axis with the amplitude of
1.5mm, the frequency shall be varied
uniformly between the limits of 10Hz~55Hz
and then filter shall be measured.
It shall fulfill the
specifications
in
Table 1.
It shall fulfill the
specifications
in
Table 1.
6.6
Mechanical
Shock test
6.7
Drop test
No visible damage
Apply the half-sine shock pulses:
and it shall fulfill
981m/s
2
,6ms for 3 times in each direction of
the specifications
three mutually perpendicular planes.
in Table 1.
No visible damage
Filter shall be measured after 3 times
and it shall fulfill
random dropping from the height of 1m on
the specifications
concrete floor.
in Table 1.
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6 PHYSICAL AND ENVIRONMENTAL CHARACTERISTICS
(Continued from the preceding page)
No
Item
Condition of Test
Performance
Requirements
6.8
Lead terminals are immersed up to 2 mm
Resistance to from filter’s body in soldering bath of It shall fulfill the
Soldering
(+260±5)℃ for (10±1) seconds and then specifications in
Heat
filter shall be measured after being placed Table 1.
in natural conditions for 1 hour.
Short
time Store in (+160±2)℃ for 2 min and then It shall fulfill the
heat
filter shall be measured after being placed specifications in
resistance
in natural conditions for 1 hour.
Table 1.
More than 95%
Lead terminals are immersed up to 2mm of the terminal
from filter’s body in soldering bath of surface of the filter
(+250±5)℃ for (2±0.5 )seconds.
shall be covered
with fresh solder.
Force of 4.9N is applied to each lead in
axial direction for (10±1) seconds.
When force of 4.9N is applied to each lead
in axial direction, the lead shall folded up
90°from the axial direction and folded
back to the axial direction. The speed of
folding shall be each 3 seconds.
6.9
6.10
Solderability
6.11
Terminal
Strength
6.11.1 Terminal
Pulling
6.11.2 Terminal
Bending
No visible damage
and it shall fulfill
the specifications
in Table 1.
Table 1
Item
Center Frequency drift
Insertion Loss drift
3dB Band Width drift
20dB Band Width drift
Spurious Response
Specification after test
±30kHz
max
±2dB
max.
±20kHz
max.
±30kHz
max.
25 dB min
Note
：
The limits in the above table are referenced to the initial measurements.
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