Aviation Solution Micross Components are pleased to present a range of bulk metal foil resistors, which can sustain extreme temperature variations, shock, vibration and long life stability for avionic applications. Function High Temperature control in Aircraft Engines Customer requirements: • Precise voltage reference capable of measureing doen to nano-volts • Implementation into a microbridge configuration • Must perform properly at +80°C and power of 0.1W Suitable products 300144Z Ultra-High precision Z-Foil voltage divider resistor • Absolute tolerance: 0.005% • Ratio tolerance: 0.005% • Absolute TCR: 0.2ppm/°C typ. at -55°C to +125°C, +25°C ref • Power rating: to 0.2W at +70°C • PCR: 5ppm at rated powerC to +125°C, +25°C ref) 303144, 303145 Screen/test flow in compliance with EEE-INST-002 (tables 2A & 3A) & MIL-PRF-55342 and MIL-PRF-49465 • TCR: ±20ppm/°C max (-55°C to 125°C) • Resistance tolerance: ±0.5% • Four Terminal (Kelvin) design: precision and accurate measurements • Power rating: 1W to 3W • Short time overload: ±0.1% typical • Thermal EMF: 3µV/°C • Max current: up to 38A www.micross.com 2 Hellesdon Park Road, Norwich, Norfolk, NR6 5DR • +44 • www.micross.com • • • +44(0)1603 (0)1603788967 788967 • www.micross.com [email protected]