Resistor Color Code Calculator
Decode 4/5/6-band resistor mavara muhuwandu - kana kuchinja hunhu muhurongwa.
Zvinyorwa zvinogadziridzwa paunenge uchinyora.
Nezve iyi kalkulator
The resistor color code is the scheme of coloured bands painted on a resistor to show its value, used because the parts are too small to print numbers on. Reading left to right, the first bands are significant digits, the next band is a power-of-ten multiplier and the last band is the tolerance. For a 4-band part the value is (10 × digit1 + digit2) × 10^multiplier ohms; 5- and 6-band parts add a third significant digit for tighter precision (and, on 6-band parts, a temperature-coefficient band). Each colour maps to a fixed number: black 0, brown 1, red 2, orange 3, yellow 4, green 5, blue 6, violet 7, grey 8, white 9, with gold and silver serving as ×0.1 and ×0.01 multipliers or ±5% and ±10% tolerances.
As a worked example, the classic brown-black-red-gold band pattern reads as digits 1 and 0, a ×100 multiplier and ±5% tolerance: (10 + 0) × 100 = 1,000 Ω, i.e. a 1 kΩ ±5% resistor whose true value lies anywhere from 950 Ω to 1,050 Ω. Decode any part by selecting the colour of each band from the drop-downs and the calculator returns the nominal resistance, the tolerance and the guaranteed value range.
Switch to reverse (encode) mode to go the other way: type a target resistance and the tool rounds it to the nearest value the digit bands can express, chooses the multiplier to match, and lists the band colours you would read off a real resistor of that value — handy when you have a schematic value and need to find or verify the physical part on your bench.
Zvimwe zvinobvunzwa zvakanyanya
Maitiro ekushanda kweresitors emhando dzemabhandi?
The first two (or three) bands give the significant digits, the next is a ×10ⁿ multiplier and the last is the tolerance. Brown-Black-Red-Gold = 1, 0, ×100, ±5% = 1 kΩ ±5%.
Chii chinonzi tolerance band?
Kuchengeteka ndechokuti sei kure chokwadi kuremekedza anogona kubuda kubva mubhadharo mashoko. A ± 5% 1 kΩ resistor anogona kuongorora chero kupi kubva 950 Ω kuti 1050 Ω.
Maitiro ekudzokorora modhi anotora sei mabhaisikopo?
It rounds yako chinangwa kune yakanakisisa kukosha digit mabhandi anogona kutaura, uye wosarudza multiplier kuti kuverenga makwikwi - zvakafanana mavara iwe uchaverenga off a real resistor yezvakaipa.
Ndeupi musiyano pakati pe4-, 5- uye 6-band resistors?
A 4-band resistor ane maviri digit mabhaisikopo; a 5-band anowedzera wechitatu digit for tighter tolerance se±1%; uye a 6-band anowedzera a final tembiricha-coefficient band kuratidzwa kuti nei mari drifts per degree.More mabhaisikopo zvinoreva zvakajeka chikamu.
Chii chisina kumbobvira chisina kumbobvira chisina kumbobvira chisina kumbobvira chisina kumbobvira chisina kumbobvira chisina kumbobvira chisina kumbobvira?
Kutanga kubva band nearest rimwe kupera uye kuverenga kusvikira tolerance band, iyo inowanzo kuve gold kana silver uye zvishoma zvakasiyana kubva kuseri. Kana gold kana silver kugara pamwechete, kuti ndiyo tolerance band, saka kuverenga kubva kumashure.
Chii chinonzi Gold and Silver Bands?
Mumultiplier nzvimbo gold zvinoreva ×0.1 uye silver zvinoreva ×0.01, kupihwa sub-ohm hunhu.Mu tolerance nzvimbo gold zvinoreva ±5% uye silver zvinoreva ±10% - maviri anonyanya kushandiswa zuva nezuva tolerance.
Nei yangu yakaongororwa resistance ichienzaniswa nekodzero?
Bands kupa zita kunaka pamwe ne tolerance window. A ± 5% 1 kΩ resistor anogona zvakachengeteka kuongorora chero kupi kubva 950 Ω kuti 1,050 Ω, uye tembiricha uye makore anogona kuchinja ichi pamusoro, saka adiki kusingaenzaniswi pa multimeter itsvaka zvakajairika.
API — kushandisa iyi kalkulator kubva code
Nhare iyi calculator semahara JSON endpoint - hapana chikuru zvinodiwa. Kutumira nzvimbo mavara pasi separameter query kana JSON. Chii zvachose chaunoisa kunze chinoshandisa default iyo peji iri rakasviba nayo; parameter isiri yechokwadi inonzi 400, uye haisi zero. Tora yakazara API docs →
Endpoint
GET https://calculator.free/api/v1/resistor-color-code/curl
curl "https://calculator.free/api/v1/resistor-color-code/?mode=decode&bands=4&band1=1&band2=0&multiplier=2&tolerance=5"JavaScript fetch()
const r = await fetch(
"https://calculator.free/api/v1/resistor-color-code/?" + new URLSearchParams({
"mode": "decode",
"bands": "4",
"band1": "1",
"band2": "0",
"multiplier": "2",
"tolerance": "5"
}));
const data = await r.json();
console.log(data.results);Zviratidzo zvemubvunzo ndezvekufungidzira kwechinangwa chekudzidzisa chete, kwete zvemari, zvehutano kana zvemari.