Stripline Mounting Fixed Attenuators for SMT
AT-1400 Series
s
Features
1.Small Size and Lightweight
Small size and lightweight with dimensions of 4 x
3.6 mm and weight of 0.1 g.
2.Abundant Variations of Attenuators
2. Attenuation level: 0, 0.5, 1, 1.5, 1.8, 2, 2.5, 3, 3.5
4, 4.5, 5, 6, 6.5, 7, 8, 8.5, 9, 10, 20dB
3.Suited to Automatic Mounting
Embossed tape packaging permits automatic
mounting.(Individual delivery can also be
accommodated.)
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Product Specifications
Ratings
Frequency range (Note)
Characteristic impedance
Maximum Input Power (Note)
DC to 2.5 GHz
50
ohms
1W
Standard
No electrical discontinuity of 1 µs or more
2.Shock
No damage, cracks, or parts dislocation
Operating temperature range
Operating relative humidity
-10ç to +65ç
95%
Max.
Note: AT-1420 has a frequency range of DC to 600 MHz.
Item
1.Vibration
Conditions
Frequency of 10 to 2000 Hz, overall amplitude of 1.52 mm,
acceleration of 98 m/s
2
for 2 hours in each of 3 directions
Acceleration of 490 m/s
2
, sine half-wave waveform,
3 cycles in each of the 3 axis
Temperature: -35ç
¡
+5ç to +35ç
¡
+85ç
¡
+5ç to
+35ç Time: 30
¡
5 max.
¡
30
¡
5 max. (Minutes)
5 cycles
3.Temperature cycle
No damage, cracks, or parts dislocation
qThe
test method conforms to MIL-STD-202.
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Materials
Part
Attenuation element
Material
Metal film
Finish
----------
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External Dimensions
Example: AT-1410
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Ordering Information
AT - 14 01
1
2
3
1
AT: Indicates a fixed attenuator
2
Indicates the Series Name: AT-1400 Series
3
Attenuation
01
06
00-(05)
00-(0)
: 1dB
: 6dB
: 0.5dB
: 0dB
(Through)
q
Epoxy resin
The black areas represent the electrodes.
(Silver palladium and Solder plating)
qThe
side marked
•
•
is the signal electrode.
The side marked E is the ground electrode.
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Mounting Method
The AT-1400 Series is designed to accept reflow soldering or hand soldering. Please perform soldering taking
into consideration the following points for the mounting process.
Recommended Temperature Profile
q
Reflow Soldering (Example of Temperature Recommendation)
Temperature (
ç
)
Preheating
1 minute Min.
Soldering
5 to 20 s
Cooling
Natural cooling for 1 minute Min.
Preheat so that
∆T
becomes 120
ç
Max.
q
Hand Soldering (Recommendation Example
)
Solering iron rating : 30 W Max.
Tip temperature : 280
ç
Max.
Tip form : 1.2 mm dia.
π
Be careful that the soldering iron does not come into direct contact with the
ceramic part.Please mount quickly so that electrode damage does not occur.
Example of Mounting Recommendation
Ceramic part
Substrate
Grounding Pattarn
50ø Line
π
The broken line portion indicates the position of the pattern.
NOTE: Do not reuse a product that has been previously mounted.
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