标准电阻:R25(25):1.5K、2K、5K、10K、20K、30K、47K、50K、100K、200K、500K等
- 电阻容差:±1%、±2%、±3%
- B值R25/50:3435K、3600K、3950K、3990K、4100K、4200K等
- B值精度:±1%
- 工作温度:-40~+300℃
- 功耗系数:>=5 mW/'C(在静止空气中)
- 麦克斯。 额定功率:45mW
- 热时间常数:<=7s(在静止空气中)
- 电阻温度系数:-2~-5%/'C
- 建议使用:R25'C=100K,B25/50=3950K±1%
R25摄氏度=100K?±1%
b25 摄氏度/50摄氏度=3950±1%
T |
Rmax |
RNOR |
Rmin |
T |
Rmax |
RNOR |
Rmin |
-30 |
1805.197 |
1733.2 |
1663.666 |
10 |
203.3838 |
199.99 |
196.6338 |
-29 |
1693.586 |
1630.408 |
1569.302 |
11 |
193.7916 |
190.5578 |
187.3599 |
-28 |
1593.938 |
1534.477 |
1476.966 |
12 |
184.7142 |
181.6319 |
178.5838 |
-27 |
1500.893 |
1444.903 |
1390.75 |
13 |
176.1211 |
173.1822 |
170.2759 |
-26 |
1413.967 |
1361.22 |
1310.203 |
14 |
167.9835 |
165.1804 |
162.4083 |
-25 |
1329.137 |
1283 |
1238.302 |
15 |
159.8962 |
157.6 |
155.3211 |
-24 |
1252.814 |
1209.327 |
1167.195 |
16 |
152.617 |
150.4253 |
148.2502 |
-23 |
1181.434 |
1140.424 |
1100.693 |
17 |
145.716 |
143.6234 |
141.5466 |
-22 |
1114.64 |
1075.949 |
1038.464 |
18 |
139.1712 |
137.1726 |
135.1891 |
-21 |
1052.109 |
1015.588 |
980.2059 |
19 |
132.9622 |
131.0528 |
129.1578 |
-20 |
990.8617 |
959.05 |
928.1695 |
20 |
126.7793 |
125.245 |
123.717 |
-19 |
936.0641 |
906.0117 |
876.839 |
21 |
121.124 |
119.6582 |
118.1984 |
-18 |
884.6914 |
856.2883 |
828.7167 |
22 |
115.7568 |
114.3559 |
112.9608 |
-17 |
836.5067 |
809.6506 |
783.5807 |
23 |
110.6613 |
109.3221 |
107.9884 |
-16 |
791.291 |
765.8865 |
741.2257 |
24 |
105.634 |
104.5415 |
103.4506 |
-15 |
746.7035 |
724.8 |
703.4662 |
25 |
101 |
100.000 |
99 |
-14 |
706.3711 |
685.6507 |
665.4693 |
26 |
96.8195 |
95.8191 |
94.8195 |
-13 |
668.5024 |
648.8929 |
629.7934 |
27 |
92.8384 |
91.8392 |
90.8415 |
-12 |
632.931 |
614.3649 |
596.2817 |
28 |
89.0074 |
88.0494 |
87.0928 |
-11 |
599.5024 |
581.9169 |
564.7888 |
29 |
85.3582 |
84.4395 |
83.5222 |
-10 |
566.5131 |
551.41 |
536.6581 |
30 |
81.9874 |
81 |
80.0167 |
-9 |
537.0073 |
522.6908 |
508.7073 |
31 |
78.57 |
77.6238 |
76.6815 |
-8 |
509.2437 |
495.6674 |
482.4068 |
32 |
75.3161 |
74.4091 |
73.5058 |
-7 |
483.1082 |
470.2286 |
457.6486 |
33 |
72.217 |
71.3472 |
70.4812 |
-6 |
458.4948 |
446.2714 |
434.3323 |
34 |
69.2643 |
68.4301 |
67.5994 |
-5 |
434.1442 |
423.7 |
413.4672 |
35 |
66.5901 |
65.6 |
64.7167 |
-4 |
411.9667 |
402.056 |
392.3459 |
36 |
63.8857 |
62.9838 |
62.0884 |
-3 |
391.0739 |
381.6658 |
372.4482 |
37 |
61.3075 |
60.442 |
59.5827 |
-2 |
371.3832 |
362.4488 |
353.6953 |
38 |
58.8489 |
58.0181 |
57.1933 |
-1 |
352.8178 |
344.3301 |
336.0142 |
39 |
56.5037 |
55.706 |
54.9141 |
0 |
334.4393 |
327.24 |
320.1638 |
40 |
54.3774 |
53.5 |
52.6316 |
1 |
317.8826 |
311.0397 |
304.3138 |
41 |
52.2133 |
51.3708 |
50.537 |
2 |
302.2571 |
295.7506 |
289.3553 |
42 |
50.1482 |
49.3391 |
48.5382 |
3 |
287.5046 |
281.3157 |
275.2325 |
43 |
48.1771 |
47.3998 |
46.6304 |
4 |
273.571 |
267.682 |
261.8936 |
44 |
46.2952 |
45.5483 |
44.809 |
5 |
259.7533 |
254.8 |
249.9157 |
45 |
44.5864 |
43.78 |
42.9836 |
6 |
247.2985 |
242.5827 |
237.9326 |
46 |
42.8302 |
42.0555 |
41.2905 |
7 |
235.5234 |
231.0321 |
226.6034 |
47 |
41.1535 |
40.4092 |
39.6741 |
8 |
224.3869 |
220.108 |
215.8887 |
48 |
39.5522 |
38.8369 |
38.1304 |
9 |
213.8504 |
209.7724 |
205.7513 |
49 |
38.0227 |
37.335 |
36.6558 |
50 |
36.6326 |
35.8999 |
35.1785 |
90 |
9.4159 |
9.1 |
8.7939 |
51 |
35.3225 |
34.616 |
33.9204 |
91 |
9.1231 |
8.8171 |
8.5205 |
52 |
34.0669 |
33.3855 |
32.7147 |
92 |
8.841 |
8.5444 |
8.2571 |
53 |
32.8632 |
32.2059 |
31.5588 |
93 |
8.5691 |
8.2816 |
8.0031 |
54 |
31.7091 |
31.0748 |
30.4504 |
94 |
8.3069 |
8.0283 |
7.7583 |
55 |
30.66 |
29.99 |
29.3318 |
95 |
8.0667 |
7.784 |
7.5105 |
56 |
29.551 |
28.9053 |
28.2709 |
96 |
7.8282 |
7.5538 |
7.2884 |
57 |
28.4885 |
27.866 |
27.2545 |
97 |
7.5979 |
7.3316 |
7.074 |
58 |
27.4703 |
26.87 |
26.2803 |
98 |
7.3756 |
7.1172 |
6.867 |
59 |
26.4943 |
25.9153 |
25.3466 |
99 |
7.161 |
6.91 |
6.6672 |
60 |
25.6058 |
25 |
24.4063 |
100 |
6.9643 |
6.71 |
6.4644 |
61 |
24.6941 |
24.1099 |
23.5373 |
101 |
6.7739 |
6.5265 |
6.2876 |
62 |
23.82 |
23.2565 |
22.7042 |
102 |
6.5896 |
6.349 |
6.1166 |
63 |
22.9818 |
22.4381 |
21.9052 |
103 |
6.4113 |
6.1772 |
5.9511 |
64 |
22.1778 |
21.6531 |
21.1389 |
104 |
6.2388 |
6.0109 |
5.7909 |
65 |
21.4449 |
20.9 |
20.3669 |
105 |
6.0808 |
5.85 |
5.6274 |
66 |
20.7 |
20.1741 |
19.6595 |
106 |
5.9075 |
5.6832 |
5.4669 |
67 |
19.9852 |
19.4774 |
18.9806 |
107 |
5.74 |
5.5221 |
5.3119 |
68 |
19.299 |
18.8087 |
18.3289 |
108 |
5.578 |
5.3663 |
5.162 |
69 |
18.6402 |
18.1666 |
17.7032 |
109 |
5.4214 |
5.2156 |
5.0171 |
70 |
18.0391 |
17.55 |
17.0723 |
110 |
5.2777 |
5.07 |
4.87 |
71 |
17.4182 |
16.9459 |
16.4847 |
111 |
5.131 |
4.9291 |
4.7346 |
72 |
16.822 |
16.3659 |
15.9204 |
112 |
4.9892 |
4.7928 |
4.6037 |
73 |
16.2495 |
15.8089 |
15.3786 |
113 |
4.8519 |
4.661 |
4.4771 |
74 |
15.6996 |
15.2739 |
14.8582 |
114 |
4.7192 |
4.5334 |
4.3546 |
75 |
15.1975 |
14.76 |
14.3337 |
115 |
4.5973 |
4.41 |
4.2299 |
76 |
14.7046 |
14.2813 |
13.8688 |
116 |
4.4729 |
4.2906 |
4.1154 |
77 |
14.2303 |
13.8206 |
13.4215 |
117 |
4.3524 |
4.1751 |
4.0046 |
78 |
13.7739 |
13.3774 |
12.991 |
118 |
4.2358 |
4.0632 |
3.8973 |
79 |
13.3346 |
12.9507 |
12.5767 |
119 |
4.1229 |
3.9549 |
3.7934 |
80 |
12.9333 |
12.54 |
12.1575 |
120 |
4.0192 |
3.85 |
3.6877 |
81 |
12.5153 |
12.1347 |
11.7646 |
121 |
3.9054 |
3.741 |
3.5833 |
82 |
12.113 |
11.7447 |
11.3865 |
122 |
3.7954 |
3.6357 |
3.4824 |
83 |
11.7259 |
11.3694 |
11.0225 |
123 |
3.6891 |
3.5338 |
3.3848 |
84 |
11.3532 |
11.008 |
10.6722 |
124 |
3.5862 |
3.4353 |
3.2904 |
85 |
11.0123 |
10.66 |
10.3179 |
125 |
3.4915 |
3.34 |
3.1947 |
86 |
10.6655 |
10.3243 |
9.993 |
126 |
3.4027 |
3.255 |
3.1135 |
87 |
10.3315 |
10.001 |
9.68 |
127 |
3.3166 |
3.1726 |
3.0346 |
88 |
10.0097 |
9.6895 |
9.3785 |
128 |
3.233 |
3.0927 |
2.9582 |
89 |
9.6996 |
9.3893 |
9.088 |
129 |
3.152 |
3.0152 |
2.8841 |
130 |
3.0776 |
2.94 |
2.8084 |
170 |
1.1861 |
1.122 |
1.0613 |
131 |
2.9974 |
2.8634 |
2.7353 |
171 |
1.1582 |
1.0956 |
1.0363 |
132 |
2.9198 |
2.7893 |
2.6644 |
172 |
1.131 |
1.0699 |
1.012 |
133 |
2.8445 |
2.7173 |
2.5957 |
173 |
1.1046 |
1.0449 |
0.9884 |
134 |
2.7715 |
2.6476 |
2.5291 |
174 |
1.079 |
1.0206 |
0.9654 |
135 |
2.7043 |
2.58 |
2.4613 |
175 |
1.0551 |
0.997 |
0.9419 |
136 |
2.6355 |
2.5144 |
2.3987 |
176 |
1.0326 |
0.9757 |
0.9218 |
137 |
2.5688 |
2.4507 |
2.338 |
177 |
1.0107 |
0.955 |
0.9023 |
138 |
2.5041 |
2.389 |
2.2791 |
178 |
0.9893 |
0.9348 |
0.8832 |
139 |
2.4413 |
2.3291 |
2.222 |
179 |
0.9685 |
0.9151 |
0.8646 |
140 |
2.3834 |
2.271 |
2.1637 |
180 |
0.9493 |
0.896 |
0.8457 |
141 |
2.3231 |
2.2135 |
2.1089 |
181 |
0.9271 |
0.875 |
0.8258 |
142 |
2.2645 |
2.1577 |
2.0557 |
182 |
0.9056 |
0.8547 |
0.8067 |
143 |
2.2077 |
2.1035 |
2.0041 |
183 |
0.8846 |
0.8349 |
0.788 |
144 |
2.1525 |
2.051 |
1.9541 |
184 |
0.8643 |
0.8157 |
0.7699 |
145 |
2.1016 |
2 |
1.9031 |
185 |
0.8453 |
0.797 |
0.7514 |
146 |
2.0504 |
1.9513 |
1.8567 |
186 |
0.8279 |
0.7806 |
0.736 |
147 |
2.0007 |
1.904 |
1.8117 |
187 |
0.811 |
0.7646 |
0.7209 |
148 |
1.9524 |
1.858 |
1.768 |
188 |
0.7944 |
0.749 |
0.7062 |
149 |
1.9055 |
1.8134 |
1.7255 |
189 |
0.7783 |
0.7338 |
0.6918 |
150 |
1.8624 |
1.77 |
1.6822 |
190 |
0.7633 |
0.719 |
0.6771 |
151 |
1.8222 |
1.7319 |
1.6459 |
191 |
0.7463 |
0.7029 |
0.6619 |
152 |
1.7832 |
1.6947 |
1.6106 |
192 |
0.7297 |
0.6873 |
0.6472 |
153 |
1.7451 |
1.6586 |
1.5763 |
193 |
0.7136 |
0.6721 |
0.6329 |
154 |
1.708 |
1.6233 |
1.5428 |
194 |
0.6979 |
0.6574 |
0.6191 |
155 |
1.6739 |
1.589 |
1.5083 |
195 |
0.6835 |
0.643 |
0.6049 |
156 |
1.6349 |
1.552 |
1.4732 |
196 |
0.6698 |
0.6302 |
0.5928 |
157 |
1.597 |
1.516 |
1.4391 |
197 |
0.6566 |
0.6177 |
0.5811 |
158 |
1.5602 |
1.4811 |
1.4059 |
198 |
0.6436 |
0.6055 |
0.5696 |
159 |
1.5244 |
1.4471 |
1.3736 |
199 |
0.6309 |
0.5936 |
0.5584 |
160 |
1.4914 |
1.414 |
1.3406 |
200 |
0.6192 |
0.582 |
0.5469 |
161 |
1.4568 |
1.3812 |
1.3095 |
201 |
0.6082 |
0.5717 |
0.5373 |
162 |
1.4233 |
1.3494 |
1.2793 |
202 |
0.5976 |
0.5617 |
0.5279 |
163 |
1.3906 |
1.3184 |
1.25 |
203 |
0.5872 |
0.5519 |
0.5187 |
164 |
1.3588 |
1.2883 |
1.2214 |
204 |
0.5769 |
0.5423 |
0.5096 |
165 |
1.3294 |
1.259 |
1.1923 |
205 |
0.5677 |
0.533 |
0.5004 |
166 |
1.2988 |
1.2301 |
1.1649 |
206 |
0.5565 |
0.5225 |
0.4905 |
167 |
1.2691 |
1.2019 |
1.1382 |
207 |
0.5455 |
0.5122 |
0.4808 |
168 |
1.2402 |
1.1745 |
1.1123 |
208 |
0.5349 |
0.5022 |
0.4715 |
169 |
1.2121 |
1.1479 |
1.0871 |
209 |
0.5245 |
0.4925 |
0.4624 |
210 |
0.5149 |
0.483 |
0.4529 |
250 |
0.2471 |
0.23 |
0.2141 |
211 |
0.5046 |
0.4733 |
0.4438 |
251 |
0.243 |
0.2262 |
0.2106 |
212 |
0.4945 |
0.4639 |
0.435 |
252 |
0.2388 |
0.2223 |
0.207 |
213 |
0.4847 |
0.4547 |
0.4264 |
253 |
0.2348 |
0.2186 |
0.2035 |
214 |
0.4751 |
0.4457 |
0.418 |
254 |
0.2309 |
0.215 |
0.2002 |
215 |
0.4664 |
0.437 |
0.4095 |
255 |
0.2273 |
0.2114 |
0.1966 |
216 |
0.4572 |
0.4284 |
0.4014 |
256 |
0.2235 |
0.2079 |
0.1934 |
217 |
0.4482 |
0.42 |
0.3935 |
257 |
0.2199 |
0.2045 |
0.1902 |
218 |
0.4395 |
0.4118 |
0.3859 |
258 |
0.2162 |
0.2011 |
0.1871 |
219 |
0.4309 |
0.4038 |
0.3784 |
259 |
0.2127 |
0.1978 |
0.184 |
220 |
0.423 |
0.396 |
0.3707 |
260 |
0.2094 |
0.1946 |
0.1808 |
221 |
0.4149 |
0.3884 |
0.3636 |
261 |
0.206 |
0.1914 |
0.1779 |
222 |
0.407 |
0.381 |
0.3566 |
262 |
0.2026 |
0.1883 |
0.175 |
223 |
0.3994 |
0.3739 |
0.35 |
263 |
0.1994 |
0.1853 |
0.1722 |
224 |
0.3918 |
0.3668 |
0.3434 |
264 |
0.1962 |
0.1823 |
0.1694 |
225 |
0.385 |
0.36 |
0.3366 |
265 |
0.1932 |
0.1794 |
0.1666 |
226 |
0.3778 |
0.3533 |
0.3304 |
266 |
0.1901 |
0.1765 |
0.1639 |
227 |
0.3708 |
0.3467 |
0.3242 |
267 |
0.1871 |
0.1737 |
0.1613 |
228 |
0.3639 |
0.3403 |
0.3182 |
268 |
0.1842 |
0.171 |
0.1588 |
229 |
0.3573 |
0.3341 |
0.3124 |
269 |
0.1813 |
0.1683 |
0.1563 |
230 |
0.351 |
0.328 |
0.3065 |
270 |
0.1785 |
0.1656 |
0.1536 |
231 |
0.3446 |
0.322 |
0.3009 |
271 |
0.1757 |
0.163 |
0.1512 |
232 |
0.3383 |
0.3161 |
0.2953 |
272 |
0.1729 |
0.1604 |
0.1488 |
233 |
0.3322 |
0.3104 |
0.29 |
273 |
0.1702 |
0.1579 |
0.1465 |
234 |
0.3262 |
0.3048 |
0.2848 |
274 |
0.1676 |
0.1555 |
0.1443 |
235 |
0.3206 |
0.2993 |
0.2794 |
275 |
0.1652 |
0.1531 |
0.1419 |
236 |
0.3149 |
0.294 |
0.2744 |
276 |
0.1626 |
0.1507 |
0.1397 |
237 |
0.3094 |
0.2888 |
0.2696 |
277 |
0.1601 |
0.1484 |
0.1375 |
238 |
0.3038 |
0.2836 |
0.2647 |
278 |
0.1576 |
0.1461 |
0.1354 |
239 |
0.2984 |
0.2786 |
0.2601 |
279 |
0.1553 |
0.1439 |
0.1334 |
240 |
0.2934 |
0.2737 |
0.2553 |
280 |
0.153 |
0.1417 |
0.1312 |
241 |
0.2883 |
0.2689 |
0.2508 |
281 |
0.1508 |
0.1396 |
0.1293 |
242 |
0.2832 |
0.2642 |
0.2464 |
282 |
0.1485 |
0.1375 |
0.1273 |
243 |
0.2783 |
0.2596 |
0.2421 |
283 |
0.1462 |
0.1354 |
0.1254 |
244 |
0.2735 |
0.2551 |
0.2379 |
284 |
0.1441 |
0.1334 |
0.1235 |
245 |
0.269 |
0.2507 |
0.2337 |
285 |
0.142 |
0.1314 |
0.1216 |
246 |
0.2644 |
0.2464 |
0.2296 |
286 |
0.14 |
0.1295 |
0.1198 |
247 |
0.2599 |
0.2422 |
0.2257 |
287 |
0.1378 |
0.1275 |
0.118 |
248 |
0.2554 |
0.238 |
0.2218 |
288 |
0.1359 |
0.1257 |
0.1163 |
249 |
0.2511 |
0.234 |
0.2181 |
289 |
0.1338 |
0.1238 |
0.1145 |
290 |
0.132 |
0.122 |
0.1128 |
291 |
0.1301 |
0.1202 |
0.1111 |
292 |
0.1282 |
0.1185 |
0.1095 |
293 |
0.1264 |
0.1168 |
0.108 |
294 |
0.1245 |
0.1151 |
0.1064 |
295 |
0.1228 |
0.1134 |
0.1047 |
296 |
0.1211 |
0.1118 |
0.1033 |
297 |
0.1193 |
0.1102 |
0.1018 |
298 |
0.1176 |
0.1086 |
0.1003 |
299 |
0.116 |
0.1071 |
0.0989 |
300 |
0.1145 |
0.1056 |
0.0974 |