LED 0402 Yellow 1.0x0.5x0.4mm - Wutar Forward 1.7-2.4V - Ƙarfin 48mW - Takardar Fasaha

1. Bayanin Samfurin

RF-YU0402TS-CE-B LED ne mai rawaya na SMD wanda aka ƙera don ayyukan nuni da hasken baya. Yana cikin ƙaramin akwati 1.0mm x 0.5mm x 0.4mm, yana amfani da guntun rawaya mai inganci don samar da tsayin haske na 585nm zuwa 595nm. Tare da kusurwar kallo mai faɗi sosai na digiri 140 da kuma jituwa da matakan haɗa SMT na yau da kullum, ya dace da ƙirar da ke da iyaka inda ake buƙatar aikin gani mai dogaro. LED ɗin yana da matakin damshin aji 3 kuma ya bi ka'idojin RoHS.

2. Fassarar Sigogin Fasaha

2.1 Halayen Lantarki / Gani (a Ts=25°C)

Ana kwatanta LED ɗin a ƙarƙashin gwajin wutar 5mA. Mahimman sigogi sun haɗa da:

• Wutar Forward (VF):An raba ta zuwa rukunoni da yawa daga 1.7V zuwa 2.4V, yana ba da damar daidaita wutar daidai don ƙirar jeri/parallel. Misalan rukunoni: A2 (1.7-1.8V), B1 (1.8-1.9V), C1 (1.9-2.0V), D1 (2.2-2.3V), da sauransu.
• Tsayin Haske Mai Rinjaye (λD):Yana zuwa daga 585nm zuwa 595nm, tare da ƙananan rukunoni kamar D10 (585-587.5nm), D20 (587.5-590nm), E10 (590-592.5nm), E20 (592.5-595nm). Wannan yana tabbatar da daidaiton launi a samarwa.
• Hasken Haske (IV):An raba shi zuwa rukunoni shida: A00 (8-12 mcd), B00 (12-18 mcd), C00 (18-28 mcd), D00 (28-43 mcd), E00 (43-65 mcd), F00 (65-100 mcd). Masu ƙira za su iya zaɓar rukunin haske mai dacewa don aikinsu.
• Kusurwar Kallo (2θ1/2):Yawancin 140°, yana ba da mazugi mai faɗi wanda ya dace da fitilun nuni.
• Wutar Baya (IR):Matsakaicin 10 μA a VR=5V, yana tabbatar da ƙarancin zubi.
• Juriyar Zafi (RTHJ-S):450°C/W (yawanci), wanda dole ne a yi la'akari da shi a sarrafa zafi.

2.2 Matsakaicin Ƙarfin Ƙarfi

• Rushewar Wutar (Pd):48 mW
• Wutar Gaba (IF):20 mA (ci gaba)
• Matsakaicin Wutar Gaba (IFP):60 mA (1/10 da'irar aiki, 0.1ms faɗin bugun jini)
• Rushewar Lantarki (ESD, HBM):2000 V
• Yanayin Aiki (Topr):-40°C zuwa +85°C
• Yanayin Ajiya (Tstg):-40°C zuwa +85°C
• Zafin Junction (Tj):95°C

Dole ne a kula don tabbatar da cewa zafin junction bai wuce matsakaicin ƙima ba, musamman a yanayin zafi mai girma ko kuma lokacin da aka kori LED da yawa kusa da iyakar su.

3. Tsarin Rabe-Rabe

3.1 Rabe-Raben Tsayin Haske

Tsayin haske mai rinjaye an raba shi zuwa manyan rukunoni huɗu: D10, D20, E10, E20, kowanne yana da tazara 2.5nm daga 585nm zuwa 595nm. Wannan ƙaramin rabe yana tabbatar da daidaiton launi a cikin guda ɗaya.

3.2 Rabe-Raben Hasken Haske

Rukunonin haske shida (A00 zuwa F00) sun rufe kewayo daga 8 mcd zuwa 100 mcd, kowane rukunin yana da rabo kusan 1.5x. Wannan yana ba da damar masu ƙira su zaɓi matakin haske mai dacewa ba tare da wuce gona da iri ba.

3.3 Rabe-Raben Wutar Forward

Wutar an raba ta zuwa rukunoni 12 daga 1.7V zuwa 2.4V (misali, A2, B1, B2, C1, C2, D1, D2). Daidaita rukunonin wutar a cikin igiyoyi masu layi ɗaya yana taimakawa daidaita rarraba wutar.

4. Nazarin Lankwasi Aiki

4.1 Wutar Forward da Wutar Gaba (Hoto 1-6)

Lankwasa yana nuna alaƙar exponential. A gwajin wutar 5mA, VF kusan 2.0V ne, yana ƙaruwa zuwa kusan 2.8V a 25mA. Masu ƙira ya kamata suyi la'akari da wannan bambancin wutar lokacin saita resistor iyakance wutar.

4.2 Wutar Gaba da Hasken Dangantaka (Hoto 1-7)

Hasken dangantaka yana ƙaruwa kusan daidai da wutar gaba har zuwa 7.5mA, yana da ra'ayi na cikawa a manyan wutar. Yin aiki kusa da wutar gwajin (5mA) yana ba da daidaito tsakanin haske da inganci.

4.3 Tasirin Zafi (Hoto 1-8, Hoto 1-9)

Yayin da zafin yanayi ko fil ɗin yake tashi, hasken dangantaka yana raguwa (kimanin 10% daga 25°C zuwa 75°C). Dole ne a rage matsakaicin wutar gaba a manyan zafin don guje wa wuce iyakar zafin junction.

4.4 Wutar Gaba da Tsayin Haske Mai Rinjaye (Hoto 1-10)

Tsayin haske mai rinjaye yana canzawa kaɗan tare da wutar (kimanin 1nm a cikin kewayon 25mA), wanda shine al'ada ga LED rawaya na InGaN. Wannan canji ba shi da muhimmanci ga yawancin aikace-aikacen nuni.

4.5 Rarraba Haske (Hoto 1-11)

Kololuwar haske tana kusan 590nm tare da cikakken faɗi a rabin matsakaici (FWHM) na kimanin 15nm. Ƙarƙashin bakan yana tabbatar da tsaftar launi mai kyau ga nuni rawaya.

4.6 Tsarin Radiya (Hoto 1-12)

Tsarin radiya yana nuna rarraba Lambertian mai faɗin daidaiton kusurwa. Hasken dangantaka yana sama da 0.6 a ±40°, yana tabbatar da kusurwar kallo 140°.

5. Bayanin Injiniya da Marufi

5.1 Girman Akwati

LED ɗin yana da 1.0mm (tsawo) x 0.5mm (faɗi) x 0.4mm (tsayi). Duban ƙasa yana nuna fenti biyu: Fenti 1 (cathode) da Fenti 2 (anode). Ana nuna polarity ta wani kashin a saman. Tsarin walda yana ba da shawarar fenti 0.5mm x 0.6mm tare da tazara 0.6mm.

5.2 Tef ɗin Jigilar Kaya da Reel

Kowane reel yana ƙunshe da guda 6,000. Girman tef ɗin jigilar kaya: 8mm faɗi, 2.00mm tazarar ciyarwa, tare da alamar polarity. Diamita na reel 178mm (inci 7), diamita na hub 60mm, faɗi 8.0mm.

5.3 Bayanin Lakabi

Lakabi sun haɗa da lambar sashi, lambar spec, lambar lot, lambar bin (don flux, chromaticity, VF, wavelength), yawa, da lambar kwanan wata.

6. Jagororin Walda da Haɗawa

6.1 Tsarin Walda Reflow

Tsarin da aka ba da shawara: Preheating daga 150°C zuwa 200°C na dakika 60-120, tashin zafin ≤3°C/s, kololuwar zafin 260°C (matsakaicin dakika 10), sanyaya ≤6°C/s. LED ɗin zai iya jure har zuwa 2 zagayen reflow, amma fiye da 2 na iya haifar da lalacewa.

6.2 Walda da Hannu

Idan walda da hannu ya zama dole, kiyaye zafin baƙin ƙarfe ƙasa da 300°C da tsawon lokaci ƙasa da dakika 3. Aikin walda da hannu ɗaya kawai aka yarda.

6.3 Ajiya da Sarrafa Damshi

Adana buhunan da ba a buɗe ba a 30°C/75% RH har zuwa shekara 1. Bayan buɗewa, yi amfani da shi cikin sa'o'i 168 a 30°C/60% RH. Idan damshi ya wuce iyaka, gasa a 60±5°C na sa'o'i 24 kafin amfani.

7. Shawarwarin Aikace-aikace

7.1 Aikace-aikace na Yau da Kullum

• Nuni na gani akan na'urorin lantarki, kayan aiki, da kuma gaban mota
• Hasken baya na maɓalli da alamomi
• Fitillun matsayi da faɗakarwa na gama-gari
• Nuni da alamomi na ƙarami

7.2 La'akari da Ƙira

• Koyaushe yi amfani da resistor iyakance wutar don hana wuce gona da iri; canjin wutar kaɗan na iya haifar da manyan canje-canje na wutar.
• Tabbatar da isasshen sarrafa zafi: kiyaye zafin junction ƙasa da 95°C, musamman lokacin aiki kusa da matsakaicin wutar.
• Guji fallasa LED ɗin ga yanayin da ke da babban abun sulfur (>100PPM) don hana lalacewar sassan ciki.
• Rage fitowar VOC daga manne da kayan shafa don hana canza launi na silicone encapsulant.
• Kare daga rushewar lantarki (ESD) – LED ɗin an ƙididdige shi don 2000V HBM, amma ana ba da shawarar kariya daga ESD yayin sarrafawa da haɗawa.

8. Dogaro da Gwaji

LED ɗin ya ci gwajin dogaro ciki har da hawan yanayin zafi (−40°C zuwa 100°C, 100 zagaye), girgizar zafi (−40°C zuwa 100°C, 300 zagaye), ajiya a babban zafi (100°C, 1000h), ajiya a ƙaramin zafi (−40°C, 1000h), da gwajin rayuwa (25°C, 5mA, 1000h). Ka'idojin karɓa sun buƙaci wutar forward a cikin 1.1x babban iyakar spec, wutar baya a cikin 2.0x babban iyaka, da kuma haske sama da 0.7x ƙasan iyakar spec.

9. Ka'idar Aiki

Wannan LED yana amfani da guntun semiconductor mai fitar da rawaya, yawanci bisa tsarin InGaN (indium gallium nitride) tare da phosphor da ya dace ko fitar da kai tsaye don samun tsayin haske 585–595nm. Lokacin da aka ba da wutar gaba, electrons da holes sun sake haɗuwa a junction p-n, suna sakin photons. Ƙaramin girman guntu da ingantaccen ƙira suna ba da haske mai girma a ƙaramin wutar, yana sa ya dace da na'urorin da ke amfani da baturi.

10. Hanyoyin Ci Gaba

Ƙananan SMD LEDs na ci gaba da ƙanƙanta, tare da 0402 packages suna zama ma'auni don ƙirar da yawa. Hanyoyin gaba sun haɗa da ƙarin haɓaka ingancin haske, faɗin gamut launi, da ingantaccen sarrafa zafi. Amfani da kayan da ba su da guba kuma suna bi da RoHS yanzu ya zama al'ada. Bugu da kari, dabarun rabe-rabe na ci gaba suna ba da damar sarrafa launi da haske daidai, suna ba da damar tsararrun haske masu daidaito.