Thin film resistor network attenuator chip
Metallization type: TaN/TiW/Ni/Au & 4 micron Au thickness Min.
Working frequency up to 67 GHz,Attenuation range from 1dB to 40dB

RF MicroWave MillimeterWave Programmable Step Attenuator

Substrate material: 99.6% Al2O3, 95% AlN, BeO.
Substrate thickness range: 0.127mm, 0.254mm、0.381mm、0.508mm、0.635mm、1mm & other custom required size
Attenuation range: 1dB to 40dB
Attenuation Accuracy : 1dB to 20dB: +/- 0.5dB 21dB to 40dB: +/- 1.0dB
Fre. Range : Dc to 12Ghz; Dc to 18GHz; Dc to 26GHz; Dc to 40GHz; Dc to 50GHz; Dc to 67GHz
VSWR : DC to 12Ghz: 1.20Max; 12 to 18Ghz :1.25 Max; 18 to 26GHz: 1.35 Max; 26 to 40GHz 1.50Max
Power rating: Max 2 Watts

| Part | Signification | Detail |
| ① | Up Frep. | 18GHz |
| ② | Programmable Attenuator Chip | PAC Abbreviation |
| ③ | Attenuation value | 1dB to 40dB |
| ④ | Type Code | Type A or Type B |
| ⑤ | Size Code | Length, Width & Thickness |
| ⑥ | Substrate Code | Al2O3, AlN, BeO |