Diameter (mm) |
Part Number | Resistance at 25℃(Ω) |
Max. Steady State Current (Amps) |
( 25℃ Ambient) Approx. Res at Max. CurrentΩ |
Thermal Dissipation Constant (mW/℃) |
Thermal Time Constant (sec) |
7 | UNTC-2.5D-7 □ | 2.5 | 3 | 0.110 | 9 | 35 |
UNTC - 5D- 7 □ | 5 | 3 | 0.171 | 9 | 35 | |
UNTC - 8D- 7 □ | 8 | 2.5 | 0.245 | 9 | 35 | |
UNTC -10D-7 □ | 10 | 2.3 | 0.298 | 9 | 32 | |
UNTC -12D-7 □ | 12 | 2.3 | 0.327 | 12 | 30 | |
UNTC -16D-7 □ | 16 | 2 | 0.516 | 12 | 30 | |
UNTC -22D-7 □ | 22 | 1.5 | 0.714 | 10 | 32 | |
UNTC -30D-7 □ | 30 | 1.5 | 0.771 | 10 | 32 | |
UNTC -50D-7 □ | 50 | 1.2 | 0.638 | 10 | 30 | |
9 | UNTC-2.5D-9 □ | 2.5 | 5 | 0.110 | 11 | 42 |
UNTC - 3D- 9 □ | 3 | 4 | 0.121 | 11 | 42 | |
UNTC - 5D- 9 □ | 5 | 4 | 0.143 | 11 | 42 | |
UNTC - 8D- 9 □ | 8 | 3.5 | 0.139 | 12 | 43 | |
UNTC -10D- 9 □ | 10 | 3 | 0.172 | 12 | 50 | |
UNTC -12D-9 □ | 12 | 3 | 0.408 | 12 | 40 | |
UNTC -16D-9 □ | 16 | 2.5 | 0.359 | 11 | 44 | |
UNTC -18D-9 □ | 18 | 2 | 0.371 | 11 | 46 | |
UNTC -22D-9 □ | 22 | 2 | 0.402 | 11 | 46 | |
UNTC -50D-9 □ | 50 | 1.4 | 0.392 | 10 | 46 | |
UNTC-400D-9□ | 400 | 1 | 9.150 | 9 | 30 | |
11 | UNTC- 1D- 11 □ | 1 | 5 | 0.090 | 17 | 65 |
UNTC- 1.5D- 11 □ | 1.5 | 5 | 0.120 | 15 | 60 | |
UNTC- 2D- 11 □ | 2 | 5 | 0.099 | 12 | 55 | |
UNTC- 2.5D- 11 □ | 2.5 | 5 | 0.102 | 11 | 58 | |
UNTC- 3D- 11 □ | 3 | 4 | 0.106 | 11 | 60 | |
UNTC- 4D- 11 □ | 4 | 4 | 0.163 | 10 | 62 | |
UNTC- 5D- 11 □ | 5 | 4 | 0.168 | 10 | 58 | |
UNTC- 6D- 11 □ | 6 | 3 | 0.250 | 10 | 59 | |
UNTC- 7D- 11 □ | 7 | 3 | 0.262 | 13 | 60 | |
UNTC- 8D- 11 □ | 8 | 3 | 0.265 | 12 | 59 | |
UNTC- 10D- 11 □ | 10 | 3 | 0.273 | 12 | 56 | |
UNTC- 12D- 11 □ | 12 | 2 | 0.504 | 11 | 62 | |
UNTC- 15D- 11 □ | 15 | 2 | 0.500 | 12 | 40 | |
UNTC- 16D- 11 □ | 16 | 2 | 0.501 | 11 | 62 | |
UNTC- 20D- 11 □ | 20 | 2 | 0.557 | 12 | 60 | |
UNTC- 25D- 11 □ | 25 | 2 | 0.555 | 12 | 56 | |
UNTC- 50D- 11 □ | 50 | 2 | 0.723 | 10 | 58 | |
UNTC- 80D- 11 □ | 80 | 1 | 1.742 | 10 | 55 | |
UNTC- 120D- 11 □ | 120 | 1 | 2.335 | 15 | 91 | |
13 | UNTC-1.3D-13 □ | 1.3 | 7 | 0.065 | 15 | 91 |
UNTC-2.5D-13 □ | 2.5 | 6 | 0.094 | 16 | 85 | |
UNTC- 3D- 13 □ | 3 | 5 | 0.131 | 16 | 91 | |
UNTC- 4D- 13 □ | 4 | 5 | 0.139 | 16 | 91 | |
UNTC- 5D- 13 □ | 5 | 6 | 0.150 | 17 | 93 | |
UNTC- 8D- 13 □ | 8 | 4 | 0.207 | 15 | 91 | |
UNTC- 10D- 13 □ | 10 | 4 | 0.211 | 14 | 87 | |
UNTC- 12D- 13 □ | 12 | 4 | 0.227 | 18 | 82 | |
UNTC- 16D- 13 □ | 16 | 3 | 0.367 | 15 | 87 | |
UNTC- 18D- 13 □ | 18 | 3 | 0.391 | 15 | 92 | |
UNTC- 20D- 13 □ | 20 | 3 | 0.430 | 17 | 93 | |
15 | UNTC-1.3D-15□ | 1.3 | 8 | 0.059 | 20 | 107 |
UNTC-1.5D-15□ | 1.5 | 8 | 0.064 | 19 | 107 | |
UNTC-2.5D-15□ | 2.5 | 8 | 0.070 | 20 | 104 | |
UNTC- 3D-15□ | 3 | 5 | 0.089 | 20 | 105 | |
UNTC- 4D-15□ | 4 | 6 | 0.115 | 18 | 104 | |
UNTC- 5D-15□ | 5 | 6 | 0.122 | 20 | 110 | |
UNTC- 7D-15□ | 7 | 5 | 0.188 | 21 | 99 | |
UNTC- 8D-15□ | 8 | 5 | 0.186 | 15 | 103 | |
UNTC-10D -15□ | 10 | 5 | 0.182 | 19 | 103 | |
UNTC-12D -15□ | 12 | 4 | 0.252 | 21 | 102 | |
UNTC-15D -15□ | 15 | 4 | 0.260 | 17 | 101 | |
UNTC-16D -15□ | 16 | 4 | 0.285 | 22 | 102 | |
UNTC-20D -15□ | 20 | 4 | 0.292 | 20 | 101 | |
UNTC-22D -15□ | 22 | 4 | 0.303 | 17 | 107 | |
UNTC-25D -15□ | 25 | 3 | 0.482 | 21 | 100 | |
UNTC-33D -15□ | 33 | 3 | 0.490 | 18 | 102 | |
UNTC-40D -15□ | 40 | 3 | 0.496 | 20 | 101 | |
UNTC-47D -15□ | 47 | 3 | 0.517 | 21 | 102 | |
UNTC-55D -15□ | 55 | 3 | 0.534 | 21 | 102 | |
UNTC-80D -15□ | 80 | 2.5 | 0.748 | 22 | 102 | |
UNTC-120D -15□ | 120 | 2 | 1.159 | 20 | 104 | |
20 | UNTC-0.7D-20□ | 0.7 | 12 | 0.039 | 25 | 145 |
UNTC- 1D-20 □ | 1 | 10 | 0.051 | 28 | 160 | |
UNTC-1.3D-20□ | 1.3 | 8 | 0.064 | 24 | 144 | |
UNTC- 2D-20 □ | 2 | 8 | 0.072 | 21 | 140 | |
UNTC-2.5D-20 □ | 2.5 | 8 | 0.073 | 25 | 120 | |
UNTC- 4D-20 □ | 4 | 8 | 0.087 | 25 | 135 | |
UNTC- 5D-20 □ | 5 | 7 | 0.107 | 24 | 144 | |
UNTC- 6D-20 □ | 6 | 7 | 0.156 | 24 | 136 | |
UNTC- 7D-20 □ | 7 | 6 | 0.156 | 24 | 132 | |
UNTC-10D -20 □ | 10 | 6 | 0.158 | 23 | 135 | |
UNTC-12D -20 □ | 12 | 5 | 0.209 | 25 | 132 | |
UNTC-20D -20 □ | 20 | 6 | 0.197 | 22 | 127 | |
UNTC-120D -20 □ | 120 | 2 | 1.222 | 24 | 142 | |
30 | UNTC-0.7D-30□ | 0.7 | 14 | 0.161 | 45 | 190 |
UNTC- 1D-30 □ | 1 | 11 | 0.089 | 45 | 190 | |
UNTC-1.5D-30□ | 1.5 | 11 | 0.117 | 43 | 190 | |
UNTC- 2D-30 □ | 2 | 10 | 0.120 | 43 | 190 | |
UNTC- 3D-30 □ | 3 | 10 | 0.148 | 41 | 190 | |
UNTC- 5D-30 □ | 5 | 9 | 0.179 | 45 | 190 | |
UNTC- 8D-30 □ | 8 | 8 | 0.188 | 45 | 190 | |
UNTC-10D-30 □ | 10 | 8 | 0.232 | 45 | 190 | |
UNTC-16D-30 □ | 16 | 7 | 0.232 | 45 | 190 | |
UNTC-20D -30 □ | 20 | 7 | 0.245 | 45 | 190 | |
UNTC-30D -30 □ | 30 | 6 | 0.333 | 45 | 190 | |
35 | UNTC- 3D-35 □ | 3 | 11 | 0.120 | 47 | 235 |
UNTC- 5D-35 □ | 5 | 10 | 0.145 | 45 | 235 | |
UNTC- 8D-35 □ | 8 | 9 | 0.173 | 56 | 235 | |
UNTC-10D -35 □ | 10 | 9 | 0.179 | 47 | 235 | |
UNTC-20D -35 □ | 20 | 8 | 0.226 | 50 | 235 | |
UNTC-30D -35 □ | 30 | 7 | 0.296 | 50 | 235 | |
45 | UNTC- 1D-45 □ | 1 | 14 | 0.078 | 66 | 285 |
UNTC-1.5D-45 □ | 1.5 | 14 | 0.087 | 62 | 285 | |
UNTC- 2D-45 □ | 2 | 13 | 0.096 | 62 | 285 | |
UNTC- 3D-45 □ | 3 | 13 | 0.101 | 62 | 285 | |
UNTC- 5D-45 □ | 5 | 12 | 0.118 | 60 | 285 | |
UNTC- 8D-45 □ | 8 | 11 | 0.134 | 66 | 285 | |
UNTC-10D -45 □ | 10 | 11 | 0.140 | 62 | 285 | |
UNTC-16D -45 □ | 16 | 10 | 0.163 | 60 | 285 | |
UNTC-20D -45 □ | 20 | 10 | 0.170 | 60 | 285 | |
UNTC-30D -45 □ | 30 | 9 | 0.210 | 60 | 285 | |
60 | UNTC-0.5D-60□ | 0.5 | 25 | 0.032 | 94 | 350 |
UNTC-0.7D-60□ | 0.7 | 20 | 0.050 | 94 | 350 | |
UNTC- 1D-60 □ | 1 | 17 | 0.060 | 94 | 350 | |
UNTC-1.5D-60□ | 1.5 | 17 | 0.069 | 88 | 350 | |
UNTC- 2D-60 □ | 2 | 16 | 0.075 | 88 | 350 | |
UNTC- 3D-60 □ | 3 | 16 | 0.078 | 88 | 350 | |
UNTC- 5D-60 □ | 5 | 15 | 0.089 | 85 | 350 | |
UNTC- 8D-60 □ | 8 | 14 | 0.098 | 94 | 350 | |
UNTC-10D -60 □ | 10 | 14 | 0.102 | 88 | 350 | |
UNTC-16D -60 □ | 16 | 13 | 0.113 | 85 | 350 | |
UNTC-20D -60 □ | 20 | 13 | 0.118 | 85 | 350 | |
UNTC-30D -60 □ | 30 | 12 | 0.138 | 85 | 350 |
Series Code | Res. value | Nominal Diameter | Res. Tolerance | |
UNTC-7D~60D | at 2 5℃ 10 x 103 Ω | 7 : 7mm | 20 : 20mm | J : ± 5% |
9 : 9mm | 30 : 30mm | K = ±10% | ||
11 : 11mm | 35 :35mm | L = ± 15% | ||
13 : 13mm | 45 : 45mm | M = ± 20% | ||
15 :15mm | 60 : 60mm | N = ±30% |