2322 640 7.... 2322 642 7... ASSEMBLY RANGE NTC THERMISTORS screw range Features TEMPERATURE SENSING AND CONTROL ] Easy mounting Rugged construction QUICK REFERENCE DATA 640 7... _ | 642 7... Resistance value at +25 C 2.2 kal to 470k 3.30) to 15ko Dissipation factor approx. (see note 1) 23 MWK 25 mW/K Thermal time constant approx, (see note 1} 7.58 20s Operating temperature range at zero power 25te +100C | 25 to +100 C at maximum power 0 to +55 [C ; O to +55 OC APPLICATION Suitable for all kinds of applications, especially when a good insulation and/or a good thermal contact with the chassis is required, DESCRIPTION Disc thermistor with negative temperature coefficient mounted in the head of aluminium screws M4 and with twa solid tinned copper wires. MECHANICAL DATA Outline drawing 55 min | v Ma 3h a1 | 67 nes a ela 8 BP max +3 max max TZBSTOG Fig.1 Component outline. Note 1, Measured with screw mounted on an aluminium heatsink of 100 em?, thickness 1.5 mm, in still air, Tamb = +375 9C, April 1995 1812322 640 7... 2322 642 7... ASSEMBLY RANGE Marking The last 4 digits of the catalogue number are printed an the stud in accordance with the information in Tables 1 and 2, Mess 1.5 9 approx. Mounting By means of a washer and. M4 nut supplied with the device. Applied torque shall not exceed 1.2 Nm. Leacs to be soldered. Robustness of terminations Tensile strength Bending Torque applied on screw Soldering solderability Resistance to heat PACKAGING 100 thermistors in a cardboard box. FLECTRICAL DATA Maximum dissipation Heat capacity Operating temperature range at Zero power at maximum power Dielectric withstanding voltage between terminals and screw Insulation resistance between terminals and screw at 100 V DC Also see Tables 1 and 2. 10 BW 1.2Nm max. max. 240 C, max. 4s max. 240 C, max. 4s 0.5 W 0.5 J/K approx. ?5 ta + 100C Oto +55 9C min. 700 Y RMS min. 100 M2 For typical resistance/temperature and voltage/current characteristics, refer to data for type 2327 640 6.... or 2322 642 6... 182 April 19952322 640 7.... NTC thermistors - screw range eoee 642 7... ASSEMBLY RANGE Table 1 9 Catalogue number 2322 640 7... | SUFFIX OF TEMPERATURE CATALOGUE Ros Basjas- VALUE COEFFICIENT NUMBER (2) AT 25C Rag +55 K | =% (S0/K) 3472 4700 3977 0.75 4.37 3103 10000 4977 0.75 4.37 | 3123 12000 | 37400022 1.5 4.10 3153 15000t BRO 15 410 | 3473 47000 4090 fo 4.48 3104 190000 4190 7 15 457 3154 150000 4370 25 475 | 3474 470000 4570 2 4.95 | Table 2 Catalogue number 2322 642 7... | SUFFIX OF CATALOGUE NUMBER Bosya5-VALUE TEMPERATURE Roos GOEFFIGIENT TOL. 5% TOL. 10% (2) K | +% AT 25 C | (967K) - 3478 2478 47 2750 5 -3.1 3109 2109 10 2875 5 3.2 3479 2479 47 3150 5 3.5 3101 2101 700 3300 - 5 ~3.7 3151 2151 150 3375 5 3.8 3471 2471 470 3650 5 4.1 3802 2102 1000 3825 5 -43 3152 2152 1500 3975 5 4.5 April 1995