Chip Attenuator  PAT0510

  YDS's thin film fixed chip attenuator consists of high precision thin films and is small with high performance. It has the attenuation circuit in an element, especially PAT0510 is much smaller.

  

<Mechanical and Dimension>

Dimension(mm)
W 0.50±0.05
L 1.00±0.05
T 0.02±0.01
W1 0.17±0.04
W2 0.14±0.06
a2 0.29±0.05
a1 0.39±0.07
t 0.30±0.05

(1):Electrode (Surface soldering and lead-free possible)   

(2):Covering resin

(3):Alumina substrate 

(4):Thin film resistor

(5):Mark (shows direction)

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<Schematic>

(1),(2) Input and output terminals

(3) Ground terminals

  

<Specification>

Items

   Graph 1 Derating Curve

Attenuation 1,2,3,4,5,6,7,8,9,10dB
Attenuation Tolerance 0~3dB ±0.3dB

4~7dB ±0.5dB

8~10dB ±0.7dB

Impedance 50O
VSWR 1.5 or less
Operating Frequency Range DC~10GHz
Rated Input Power 32mW (Derating Curve Graph 1)
Operating Temperature Range -55°C~+125°C
Rated Operating Temperature 70°C

<Characteristics>

Items

Test Condition

Tolerance

Attenuation Impedance
Short Time Over Load

2.5 times of the rated voltage shall be applied for 5 seconds.

±0.03dB

±0.5%

Load Life

Apply rated voltage for 90 min followed by a pause of 30 min at 70±3°C for 1000 hours.

±0.05dB ±1.0%
Moisture Load Life

The attenuator is applied rated voltage for 90 min at 60±2°C 90~95%RH for 1000 hours.

±0.05dB ±1.0%
Temperature Cycle

[-55°C(30min)-R.T.(3min)-+125°C(30min)-R.T.(3min)] is repeated 5 cycles.

±0.03dB ±0.5 %
Solder Heat Resistance

Leave attenuator in melt solder of 260±5°C for 10±1 seconds.

±0.03dB

±0.5% 
Strength between terminals

Distance between fulcrums : 90mm  Bending width : 3mm

Substrate: Glass epoxy t=3mm

±0.03dB 

±0.5 % 

Solderbility

Leave attenuator in melt solder of 235±5°C for  3±0.5 seconds.

95% or more of the surface should be wet.

Insulation Resistance

A minute after DC500V

1000MO or more
Temperature Coefficient of Resistance

R.T.---R.t.+100°C---R.T.

±0.02 dB ±50ppm/°C

 

<Recommended Mounting Pattern>

Note: Please take great care of frequency characteristics when deciding the width of wire from mounted part.

 

<Taping>

For further information of taping.  CLICK!

Yokohama Densi Seiko Co., Ltd.
Last Update 03/04/04

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