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LTUCG455B Datasheet Preview

LTUCG455B Datasheet

SURFACE MOUNT 455 KHZ CERAMIC FILTER

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DETAILED SPECIFICATION FOR A SURFACE MOUNT 455 KHZ CERAMIC FILTER
Page 1 of 7
DETAILED SPECIFICATION FOR A SURFACE MOUNT 455 KHZ CERAMIC FILTER (ROHS COMPLIANT)
1.0 PURPOSE
This specification show cover the characteristics of a surface mount 455 KHz ceramic filter, which mainly
used for FM broadcast receiver.
2.0 MODEL NAME
2.1 Part No.
2.2 Specification No.
2.3 Revision No.
2.4 Date
: LTUCG455B (Pre P/N: LTUC455B)
: 2.832.451h
:1
: January 10, 2011
3.0 ABSOLUTE MAXIMUM RATINGS
“Absolute Maximum Ratings” are those values beyond which the life of the device cannot be guaranteed.
They are not meant to imply that the device can or should be operated at these limited.
No. Parameter
3.1 Withstanding Voltage
3.2 Ambient Operating Temperature Range
3.3 Lead Temperature for Soldering 1/16” from Body for 10sec
3.4 Storage Temperature Range
3.5 Power Dissipation (Ta = 25°C)
3.6 Isolation Resistance
4.0 ELECTRICAL CHARACTERISTICS Ta = 25°C
Rating
50
-20 ~ +80
260
-40 ~ +85
100
100
Unit
VDC
°C
°C
°C
mW
MΩ
No. Parameter
4.1 Center Frequency fo
4.2 Initial Tolerance
4.3 6dB bandwidth
4.4 40dB Bandwidth
4.5 Insertion Loss (at minmum loss point)
4.6 Ripple in fo±9.0KHz
4.7 Stop Band Attenuation (fo±100KHz)
Temperature Characteristics
4.8
over -20°C ~ +80°C
4.9 I/O Impedance
NS = Not Specified
Minimum
NS
-
±15.0
-
-
-
25
-
-
Typical
455
-
-
-
-
-
-
-
1.0
Maximum
NS
±1.5
-
±35.0
4.0
2.0
-
±0.5
-
Unit
KHz
KHz
KHz
KHz
dB
dB
dB
%
KΩ
5.0 TEST CIRCUIT
5.1 Measurement Condition:
The reference temperature shall be 25°C ± 2°C. The measurement shall be performed at the
temperature range of 5°C to 35°C unless otherwise the result is doubtful.
5.2 Test Circuit and Equipment:
Oscillating frequency shall be measured by the standard test circuit as shown in Figure 2.
Resonant impedance shall be measured by HP87510A Network Analyzer.
© VANLONG TECHNOLOGY CO., LTD.
Phone: +86 (10) 5820-3910 Fax: +86 (10) 5820-3915
Email: sales@vanlong.com
January 10, 2011
Web: http://www.vanlong.com




VANLONG

LTUCG455B Datasheet Preview

LTUCG455B Datasheet

SURFACE MOUNT 455 KHZ CERAMIC FILTER

No Preview Available !

DETAILED SPECIFICATION FOR A SURFACE MOUNT 455 KHZ CERAMIC FILTER
Page 2 of 7
6.0
\
PHYSICAL CHARACTERISTICS
No. Item
6.1 Random Drop
6.2 Vibration
6.3
Resistance to
Soldering Heat
6.4 Solderability
6.6 Washability
Condition of Test
Requirements
The Filter shall be measured after 3 times random
drops from the height of 30cm on concrete floor.
No visible damage
and the measured
values shall meet
Table 1.
The Filter shall be measured after being applied
vibration of amplitude of 1.5mm with 10 to 55Hz
bands of vibration frequency to each of 3
perpendicular directions for 1 hour.
The measured
values shall meet
Table 1.
Lead terminals are immersed up to 1.5mm from
the Filter’s body in solder bath of 350°C ± 10°C for
3 ± 0.5 seconds or 260°C ± 5°C for 10 ± 1 seconds,
and then the Filter shall be measured after being
placed in natural condition for 1 hour.
The measured
values shall meet
Table 1.
Lead terminals are immersed in resin for 5
seconds and then immersed in soldering bath of
235°C ± 5°C for 2 ± 0.5 seconds.
95% min. lead
terminals shall be
wet with solder.
Ultrasonic wash not available
7.0 ENVIRONMENTAL CHARACTERISTICS
No. Item
Condition of Test
Requirements
After being placed in a chamber with +85°C ± 2°C The measured
for 96 ± 4 hours and then being placed in natural
7.1 High Temperature condition for 1 hour. The Filter shall be
measured.
values shall meet
Table 1.
After being placed in a chamber with -20°C ± 2°C
for 96 ± 4 hours and then being placed in natural
The measured
7.2 Low Temperature condition for 1 hour. The Filter shall be
measured.
values shall meet
Table 1.
7.3 Humidity
After being placed in a chamber with 90 to 95%
R.H. at +40°C ± 2°C for 96 ± 4 hours and then
being placed in natural condition for 1 hour. The
Filter shall be measured.
The measured
values shall meet
Table 1.
7.4 Heat Shock
After being kept at room temperature, the Filter
shall be placed at temperature of –20°C for 30
minutes, then the Filter shall be immediately
placed at temperature of 80°C, after 30 minutes
at temperature of 80°C, the Filter shall be
returned to –20°C again. After 5 times above
cycles, the Filter shall be returned to room
temperature, after 1 hour in natural condition,
the Filter shall be measured.
The measured
values shall meet
Table 1.
7.5
Temperature
Characteristic
From temperature range of -20°C to +85°C
FTC < 50 ppm/°C
© VANLONG TECHNOLOGY CO., LTD.
Phone: +86 (10) 5820-3910 Fax: +86 (10) 5820-3915
Email: sales@vanlong.com
January 10, 2011
Web: http://www.vanlong.com


Part Number LTUCG455B
Description SURFACE MOUNT 455 KHZ CERAMIC FILTER
Maker VANLONG
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LTUCG455B Datasheet PDF






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