High Quality Resistors
Hackspace has a large number of through hole resistors that are ideal for prototyping, perfboards, solderless breadboards and general purpose applications because they are:
- accurate: 1% tolerance
- temperature stable: 50ppm/C
- good HF characteristics: metal film
- moderate power: 0.25W
- small: 10mm long
They are mostly in E96 values and so appear unfamiliar, but that is unimportant in most cases because in most circuits:
- the absolute value isn't that critical, e.g. a 5k6 pullup is usually just as good as a 4k7 pullup, even If the colour code isn't as pretty
- ratios between resistors are often more important, e.g. defining opamp gain or in potential dividers. Here tolerance and stability are more important than the absolute value
- if the circuit specifies the familiar E12 values, by definition they can vary by +-10% anyway. In such cases a 49k6 resisitor is a perfectly acceptable substitute for a 47k 10% E12 resistor.
So even if you can't find the exact value, you can probably find an acceptable value. The following table indicates which resistors are available, and which value is a substitute for the familiar E12 (10%) and E24 (5%) resistor.
Please put resistors back in the same box. If they are misplaced we can't find them - and they are effectively lost or might as well be thrown away!
Resistor | Equivalent | Location | |
---|---|---|---|
E96 1% | E12 10% | E24 5% | |
12r | 12r | 12r | Box 1 |
15r | 15r | 15r | Box 1 |
15r8 | 16r | Box 1 | |
16r2 | 18r | Box 1 | |
16r9 | Box 1 | ||
17r4 | 18r | Box 1 | |
17r8 | Box 1 | ||
18r | Box 1 | ||
18r7 | 20r | Box 1 | |
19r1 | Box 1 | ||
19r6 | 22r | Box 1 | |
20r5 | Box 1 | ||
21r | 22r | Box 1 | |
22r | Box 1 | ||
26r1 | 27r | 27r | Box 1 |
26r7 | Box 1 | ||
28r7 | 33r | 30r | Box 1 |
33r | 33r | Box 1 | |
43r | 47r | 43r | Box 2 |
56r | 56r | 56r | Box 2 |
82r | 82r | 82r | Box 2 |
113r | 120r | 110r | Box 2 |
120r | 120r | Box 2 | |
127r | 130r | Box 2 | |
137r | 150r | Box 2 | |
147r | 150r | Box 2 | |
158r | 160r | Box 2 | |
165r | 180r | Box 2 | |
174r | 180r | Box 2 | |
210r | 220r | 220r | Box 2 |
240r | 270r | 240r | Box 2 |
270r | 270r | Box 2 | |
301r | 330r | 300r | Box 2 |
348r | 390r | 360r | Box 2 |
361r | Box 2 | ||
390r | 390r | Box 2 | |
453r | 470r | 470r | Box 2 |
560r | 560r | 560r | Box 2 |
620r | 680r | 620r | Box 2 |
634r | Box 2 | ||
665r | 680r | Box 2 | |
680r | Box 2 | ||
787r | 820r | 820r | Box 2 |
806r | Box 2 | ||
845r | Box 2 | ||
931r | 1k | 910r | Box 2 |
1k0 | Box 3 | ||
1k15 | 1k2 | 1k1 | Box 3 |
1k2 | 1k2 | Box 3 | |
1k3 | 1k3 | Box 3 | |
1k43 | 1k5 | 1k5 | Box 3 |
1k69 | 1k8 | 1k6 | Box 3 |
1k78 | 1k8 | Box 3 | |
1k8 | Box 3 | ||
2k55 | 2k7 | 2k7 | Box 3 |
2k8 | 3k | Box 3 | |
3k32 | 3k3 | 3k6 | Box 3 |
3k83 | 3k9 | 3k9 | Box 3 |
3k9 | Box 3 | ||
3k92 | Box 3 | ||
5k76 | 5k6 | 5k6 | Box 3 |
6k81 | 6k8 | 6k8 | Box 3 |
6k98 | Box 3 | ||
7k32 | 7k5 | Box 3 | |
9k09 | 10k | 9k1 | Box 3 |
10k7 | 11k | Box 4 | |
11k3 | 12k | Box 4 | |
12k | 12k | Box 4 | |
12k1 | Box 4 | ||
13k | 13k | Box 4 | |
13k3 | 15k | Box 4 | |
16k9 | 18k | 16k | Box 4 |
17k3 | 18k | Box 4 | |
18k | Box 4 | ||
18k2 | Box 4 | ||
20k | 22k | 20k | Box 4 |
21k5 | 22k | Box 4 | |
22k | Box 4 | ||
23k2 | 24k | Box 4 | |
24k9 | 27k | 27k | Box 4 |
26k | Box 4 | ||
27k | Box 4 | ||
32k4 | 33k | 33k | Box 4 |
33k2 | 36k | Box 4 | |
36k | 39k | Box 4 | |
40k2 | 43k | Box 4 | |
43k2 | 47k | Box 5 | |
46k4 | 47k | Box 5 | |
53k6 | 56k | 56k | Box 5 |
57k6 | Box 5 | ||
64k9 | 68k | 68k | Box 5 |
69k8 | Box 5 | ||
80k6 | 82k | 82k | Box 5 |
84k5 | Box 5 | ||
102k | 100k | 100k | Box 5 |
105k | 110k | Box 5 | |
110k | 120k | Box 5 | |
124k | 120k | Box 5 | |
140k | 150k | 150k | Box 5 |
150k | Box 5 | ||
178k | 180k | 180k | Box 5 |
180k | Box 5 | ||
280k | 270k | 300k | Box 5 |
412k | 390k | 430k | Box 5 |
430k | 470k | Box 5 | |
442k | 470k | Box 5 | |
560k | 560k | 560k | Box 5 |
562k | Box 5 | ||
590k | 620k | Box 5 | |
619k | 680k | Box 5 | |
634k | Box 5 | ||
680k | 680k | Box 5 | |
787k | 820k | 820k | Box 5 |
913k | 1M | 910k | Box 5 |