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- R400AR Series
R400AR Series
- Paste Type: Resistor
- Substrate: Alumina (Al2O3)
- Application Method: Screen Printing
- Application: Resistors and Fuses, Heaters
Details
Description
Heraeus’ R400AR Series is a low range, lead free,
low TCR air-fired resistor system, compatible with
lead free Pt/Ag and Pd/Ag conductors. This series
gives a dense fired film and was designed to give
very tight resistance distribution when co firing the
front and back side of circuits. The series exhibits
excellent print resolution for use in typical
serpentine layouts. Heraeus’ R400AR Series is laser
trimmable and has outstanding power handling
capability.
low TCR air-fired resistor system, compatible with
lead free Pt/Ag and Pd/Ag conductors. This series
gives a dense fired film and was designed to give
very tight resistance distribution when co firing the
front and back side of circuits. The series exhibits
excellent print resolution for use in typical
serpentine layouts. Heraeus’ R400AR Series is laser
trimmable and has outstanding power handling
capability.
Key Features
Low range ohmic resistor
Low TCRs
Dense microstructure
Tight as fired distribution
Low TCRs
Dense microstructure
Tight as fired distribution
Metal
AgPd
Viscosity
180 – 260 kcps, Brookfield HBT, SC4-14 spindle & 6R utility cup @ 10 rpm, 25°C
Coverage
Coverage
Storage and Paste Preparation
Store in a dry location at 5 – 25°C. DO NOT REFRIGERATE. Allow paste to come to room temperature prior to opening. Spatulate well before using, as settling may occur during storage.
Warranty
Material guaranteed to meet specifications for 6 months from date of manufacturing with proper storage.
Printing Parameters
250 – 325 mesh, 1.1 mil wire and 0.5 mil emulsion screen
Printing Speed
Drying Temperature
150 ºC for 8 - 10 minutes
Process Temperature (TDS)
850 °C peak temperature
Dwell time of 10 minutes at peak
Dwell time of 10 minutes at peak
Film Thickness
Dried: 12-21 microns
Fired: 7-13 microns
Fired: 7-13 microns