Chip Attenuator  PAT3042, 4546

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<Mechanical and Dimension>

PAT3042
Dimension(mm)
0dB 1dB 2~3dB 4~6dB 7~10dB 16~20dB
L 4.2±0.2
W 3.0±0.2
t 0.8±0.15
W1 0.30±0.15 0.40±0.15
W2 0.85±0.1 0.65±0.1
W3 0.70±0.1 0.90±0.1
L1  ---- 1.90±0.2 1.75±0.2 1.60±0.2
L2 4.20±0.2 0.30±0.2 0.60±0.2 0.90±0.2 1.80±0.2

PAT4556
Dimension(mm)
0dB 1~20dB
L 5.6±0.2
W 4.5±0.2
t 0.8±0.15
W1 0.6±0.1
W2 0.64±0.1 1.3±0.1
W3 0.6±0.1

(1)

Electrode (Surface soldering and lead-free possible)

(2)

Covering resin

(3)

Alumina substrate

(4)

Thin film resistor

(5) Mark

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  <Schematic>

(1), (2) Input and output terminals

(3) Ground terminals

  

<Specification>

Type

Graph 1 Derating Curve

Items PAT3042 PAT4556
Impedance

50O(C)

Attenuation

1,2,3,4,5,6,7,8,9,10,16,20dB

VSWR 1.1

(DC~2GHz)

1.2

(2~5GHz)

1.3

(5~10GHz)

Operating Frequency Range DC~10GHz
Rated Input Power (Derating Curve Graph 1) 250mW  500mW 
Operating Temperature Range -55°C~+125°C
Rated Operating Temperature 70°C
Attenuation Rank DC~2GHz 2~5GHz 5~10GHz
0dB A +0.1/-0dB +0.2/-0dB +0.4/-0dB
1~10dB A ±0.1dB ±0.2dB ±0.4dB
B ±0.2dB ±0.3dB ±0.5dB
16,20dB B ±0.2dB ±0.3dB ±0.5dB

 <Characteristics>

Items

Test Condition Tolerance
Attenuation Impedance
0~10dB

16,20dB

Short Time Over Load

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

  ±0.01dB   ±0.02dB

±0.2%

Load Life

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

  ±0.02dB   ±0.04dB ±0.5%
Moisture Load Life

The attenuator is applied rated voltage for 90 min followed by a pause of 30 min in 60±2°C and 90~95%RH for 1000 hours.

  ±0.02dB   ±0.04dB ±0.5%
Temperature Cycle

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

  ±0.01dB   ±0.02dB ±0.2% 
Solder Heat Resistance

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

  ±0.01dB

  ±0.02dB

±0.2% 
Strength between terminals

Distance between fulcrums :90mm          Bending width :3mm

Substrate :Glass epoxy t=1.6mm

 ±0.01dB 

 ±0.02dB 

±0.2%  

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??
Temperature Coefficient of Resistance

R.T.---R.T.+100°C---R.T. 

 ±0.005 dB  ±0.01dB ±50ppm/?

<Taping>

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Yokohama Densi Seiko Co., Ltd.
Last Update 03/01/21