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MCA1206MD2BP100 Datasheet(PDF) 2 Page - Vishay Siliconix |
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MCA1206MD2BP100 Datasheet(HTML) 2 Page - Vishay Siliconix |
2 / 9 page MCT 0603 AT, MCU 0805 AT, MCA 1206 AT - Precision Precision Thin Film Chip Resistor Superior Moisture Resistivity Vishay Beyschlag Document Number: 28785 For technical questions, contact: filmresistors.thinfilmchip@vishay.com www.vishay.com Revision: 09-Apr-09 2 APPLICATION INFORMATION The power dissipation on the resistor generates a temperature rise against the local ambient, depending on the heat flow support of the printed-circuit board (thermal resistance). The rated dissipation applies only if the permitted film temperature is not exceeded. Furthermore, a high level of ambient temperature or of power dissipation may raise the temperature of the solder joint, hence special solder alloys or board materials may be required to maintain the reliability of the assembly. These resistors do not feature a limited lifetime when operated within the permissible limits. However, resistance value drift increasing over operating time may result in exceeding a limit acceptable to the specific application, thereby establishing a functional lifetime. The designer may estimate the performance of the particular resistor application or set certain load and temperature limits in order to maintain a desired stability. MAXIMUM RESISTANCE CHANGE AT RATED DISSIPATION Operation mode Standard Power Rated dissipation P70 P70 MCT 0603 AT 0.100 W 0.125 W MCU 0805 AT 0.125 W 0.200 W MCA 1206 AT 0.250 W 0.400 W Film temperature 125 °C 155 °C Max. resistance change at rated dissipation for resistance range: MCT 0603 AT 47 Ω to 100 kΩ 47 Ω to 100 kΩ MCU 0805 AT 47 Ω to 100 kΩ 47 Ω to 100 kΩ MCA 1206 AT 47 Ω to 100 kΩ 47 Ω to 100 kΩ |ΔR/R| max., after: 1000 h ≤ 0.1 % ≤ 0.2 % 8000 h ≤ 0.2 % ≤ 0.4 % 225 000 h ≤ 0.6 % - |
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