Disk Thermistors with Leads NRD series are epoxy coated radial lead thermistors. Features High reliability and stability for thermal and electrical stress. Wide applications for temperature detection and compensation. Operating Temp. Range; -20 +100 NRD Formed Leads Straight Leads D t D t 3 Max. R25 marking 102 coating (4) coating 25 Min. 3 Max. 30 Min. 102 5 1 3 1 1 : in still air Type R25 B Resistance Value R25 ( ) B-Constant 25/85(K) NRD3-type NRD3202L360Y 2k 3600 NRD3502L390Y 5k 3900 NRD3103L400Y 10 k 4000 NRD3153L400Y 15 k 4000 NRD3303L420Y 30 k 4200 NRD3503L420Y 50 k 4200 NRD3104L420Y 100 k 4200 NRD3303L420Y 300 k 4200 NRD5-type NRD5900L280K 90 2800 NRD5101L280K 100 2800 NRD5151L280K 150 2800 NRD5201L325Y 200 3250 NRD5301L325Y 300 3250 NRD5501L370Y 500 3700 NRD5102L400Y 1k 4000 NRD5202L400Y 2k 4000 NRD5302L400Y 3k 4000 NRD5502L400Y 5k 4000 NRD5103L420Y 10 k 4200 NRD5203L420Y 20 k 4200 NRD5503L420Y 50 k 4200 NRD5104L420Y 100 k 4200 Type NRD8-type NRD8080L300K 8 3000 NRD8100L300K 10 3000 NRD8130L320K 13 3200 NRD8200L320K 20 3200 NRD8400L325K 40 3250 NRD8500L325K 50 3250 "Type" indicates the product No., which is not the trademark. Dimensions 1 Dissipation Constant (mW/ ) 2 : at 25 2 Rated Power (mW) 1 Thermal Time Constant (Sec.) D(mm) t(mm) 4.5 Max. 6.0 Max. 5 375 15 Approx. 6.7 Max. 6.0 Max. 7 520 20 Approx. 9.5 Max. 7.0 Max. 8 600 25 Approx. HOKURIKU Specifications are subject to change without notice. Disk Thermistors with Leads NRD type R-T table Type Parts number NRD3 NRD5 NRD5101L280Y NRD5501L370Y NRD5102L400Y NRD5502L400Y NRD5103L420Y NRD5503L420Y NRD8 NRD8100L300K R25 10 100 500 1k 5k 10k 50k B25/85(K) 3000 2800 3700 4000 4000 4200 4200 RT() RT() RT() RT(k) RT(k) RT(k) RT(k) T() -20 59.77 468.6 4,128 9.539 50.29 107.7 525.9 -15 47.60 386.5 3,165 7.179 37.63 79.96 392.7 -10 38.22 320.6 2,448 5.454 28.42 59.92 295.7 -5 30.92 267.4 1,909 4.181 21.66 45.31 224.5 0 25.20 224.3 1,500 3.232 16.65 34.56 171.8 5 20.69 189.1 1,188 2.519 12.90 26.57 132.4 10 17.09 160.1 947.7 1.978 10.07 20.59 102.8 15 14.21 136.3 760.9 1.565 7.921 16.07 80.33 20 11.88 116.5 614.9 1.247 6.272 12.63 63.18 25 10.00 100.0 500.0 1.000 5.000 10.00 50.00 30 8.456 86.17 408.9 0.8070 4.010 7.964 39.79 35 7.188 74.54 336.2 0.6551 3.236 6.381 31.85 40 6.139 64.71 278.0 0.5349 2.626 5.143 25.63 45 5.268 56.38 231.0 0.4391 2.143 4.168 20.73 50 4.563 49.06 193.6 0.3642 1.764 3.412 16.96 55 3.955 43.02 162.6 0.3026 1.456 2.798 13.88 60 3.442 37.84 137.2 0.2527 1.208 2.307 11.42 65 3.008 33.40 116.3 0.2120 1.007 1.911 9.439 70 2.638 29.56 99.01 0.1787 0.8438 1.591 7.835 75 2.322 26.25 84.62 0.1514 0.7098 1.330 6.531 80 2.052 23.36 72.60 0.1287 0.5997 1.117 5.467 85 1.818 20.86 62.52 0.1099 0.5087 0.9419 4.594 90 1.617 18.67 54.03 0.0942 0.4332 0.7974 3.875 95 1.442 16.75 46.86 0.0810 0.3703 0.6776 3.281 100 1.290 15.06 40.77 0.0700 0.3177 0.5779 2.788 "Type" indicates the product No., which is not the trademark. HOKURIKU Specifications are subject to change without notice.