NHQMM300B275R5 NHQMM400B280R5 NHQMM680B280R5 NHQMM800B280R5 NHQMM101B280R5 - Datasheet Archive

 

NTC THERMISTORS: TYPE NHQMM SURFACE MOUNT CHIP 0603 SIZE DESCRIPTION: DIMENSIONS: A range of 0603 size surface mount NTC chip

 

g NTC THERMISTORS: TYPE NHQMM SURFACE MOUNT CHIP 0603 SIZE DESCRIPTION: DIMENSIONS: A range of 0603 size surface mount NTC chip thermistors. FEATURES: · Palladium silver electrodes with nickel barrier and solder plating · Intended for temperature measurement, control and compensation · Excellent solderabilty without `tombstoning' · Suitable for standard soldering techniques · Glass-coated ceramic between electrodes for improved stability DATA: Soldering Recommendations: Maximum storage time in closed package.1 year Maximum storage time exposed to ambient conditions of I5°C - 30°C, 15% - 70% RH .30 days Drying prior to soldering: not to exceed 48h at 80°C . or 16h at 100°C . or 8h at 125°C Flux type . R or RMA Flow soldering conditions: Preheat temperature . 80° - 150°C Max rate of change of temperature . 2.5°C/s Max solder temperature . 265°C Max dwell time . 10s Cooling in ambient or air flow of . 5m/s Reflow soldering conditions: Method . infrared, hot gas, vapor Max rate of change preheat temperature . 2.5°C/s Max Temp . 225°C Max time above 200°C . 30s Max radiant flux (0. 1 to 100W µ) . 5W/cm2 Max hot air temperature . 275°C at 4 m/s Max vapor temperature . 215°C Max rate of cooling . 2.5°C/s Cleaning: Ultrasonic cleaning in methanol or isopropanol not exceeding 40 kHz for 5 minutes or aqueous cleaning not exceeding 70°C for 7 minutes, is recommended. Resistance tolerance at 25°C . ± 5% . (for± 10% replace R5 by R10in code) Tolerance on B value . ±200 K Minimum temperature . -40°C Maximum temperature . 125°C Dissipation factor . 1.2mW/K Time constant . 4s max 0.3 ­ 0.2mm 0.8 ­ 0.2 mm 1.6 ­ 0.2 mm 1.0mm max Code NHQMM300B275R5 NHQMM300B275R5 NHQMM400B280R5 NHQMM400B280R5 NHQMM680B280R5 NHQMM680B280R5 NHQMM800B280R5 NHQMM800B280R5 NHQMM101B280R5 NHQMM101B280R5 NHQMM471B320R5 NHQMM471B320R5 NHQMM501B320R5 NHQMM501B320R5 NHQMM102B325R5 NHQMM102B325R5 NHQMM152B345R5 NHQMM152B345R5 NHQMM202B410R5 NHQMM202B410R5 NHQMM222B410R5 NHQMM222B410R5 NHQMM252B710R5 NHQMM252B710R5 NHQMM302B410R5 NHQMM302B410R5 NHQMM332B410R5 NHQMM332B410R5 NHQMM472B355R5 NHQMM472B355R5 NHQMM502B355R5 NHQMM502B355R5 NHQMM682B355R5 NHQMM682B355R5 NHQMM103B375R5 NHQMM103B375R5 NHQMM153B380R5 NHQMM153B380R5 NHQMM203B380R5 NHQMM203B380R5 NHQMM223B380R5 NHQMM223B380R5 NHQMM303B400R5 NHQMM303B400R5 NHQMM333B400R5 NHQMM333B400R5 NHQMM473B400R5 NHQMM473B400R5 NHQMM503B400R5 NHQMM503B400R5 NHQMM683B400R5 NHQMM683B400R5 NHQMM104B415R5 NHQMM104B415R5 NHQMM154B425R5 NHQMM154B425R5 NHQMM204B425R5 NHQMM204B425R5 R25 30 40 68 80 100 470 500 1000 1500 2000 2200 2500 3000 3300 4700 5000 6800 10000 15000 20000 22000 30000 33000 47000 50000 68000 100000 150000 200000 B 25/85 K 2750 2800 2800 2800 2800 3200 3200 3250 3450 4100 4100 4100 4100 4100 3550 3550 3550 3750 3800 3800 3800 4000 4000 4000 4000 4000 4150 4250 4250 Data sheet D-NHQMM-3 Crown Industrial Estate, Priorswood Rd Taunton, Somerset TA2 8QY UK Tel +44 (0)1823 335200 Fax +44 (0)1823 332637 808 US Highway 1 Edison, New Jersey 08817-4695 USA Tel +1 (732) 287 2870 Fax +1 (732) 287 8847 967 Windfall Road St Marys, Pennsylvania 15857-3397 USA Tel +1 (814) 834 9140 Fax +1 (814) 781 7969