Bayani Na Musamman Na LED Ja 0402 - 1.0x0.5x0.4mm - Ƙarfin Gaba 1.6-2.4V - Ƙarfin Wutar 48mW - Takaddar Fasaha

1. Bayani Na Samfur

1.1 Bayani Na Gabaɗaya

Wannan LED ja ne wanda aka yi shi ta amfani da guntun ja. Girman marufinsa shine 1.0 mm x 0.5 mm x 0.4 mm, yana sa ya dace da ƙirar ƙarama. Yana ba da kusurwar kallo mai faɗi kuma yana jituwa da tsarin hada SMT na yau da kullun. Na'urar an ƙera ta don ayyukan nuni da alama na gama-gari.

1.2 Siffofi

• Kusurwar kallo mai faɗi da yawa na digiri 140.
• Ya dace da duk tsarin hada SMT da waldi.
• Matsayin damuwa na danshi: Matsayi 3 (bisa ga JEDEC).
• Yana bin RoHS kuma ba shi da abubuwa masu lahani.

1.3 Amfani

• Alamu na gani a cikin kayan lantarki na masu amfani.
• Hasken baya na maɓalli da alamomi.
• Alamu na lantarki da kayan nuni na gabaɗaya.

2. Ma'aunin Fasaha

2.1 Halayen Lantarki da Na Gani (a Ts=25°C, IF=5mA)

Wadannan sune mahimman ma'aunin lantarki da na gani da aka auna a ƙarfin gaba na 5 mA da zazzabi na 25°C:

• Faɗin Rabin Band ɗin Tazara:15 nm (na yau da kullun). Wannan yana nuna faɗin bakan haske a rabin iyakar ƙarfi.
• Ƙarfin Gaba (VF):An rarraba zuwa kewayon 8 daga 1.6 V zuwa 2.4 V, tare da ƙaruwa na 0.1 V. Rukunin sun haɗa da A1 (1.6-1.7V), A2 (1.7-1.8V), B1 (1.8-1.9V), B2 (1.9-2.0V), C1 (2.0-2.1V), C2 (2.1-2.2V), D1 (2.2-2.3V), D2 (2.3-2.4V).
• Tsawon Igiyar Ruwa Mai Rinjaye (λD):Ana samuwa a cikin rukunoni uku: F00 (625–630 nm), G00 (630–635 nm), H00 (635–640 nm).
• Ƙarfin Haske (IV):An rarraba 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).
• Kusurwar Kallo (2θ1/2):digiri 140 (na yau da kullun), yana ba da tsarin haskakawa mai faɗi.
• Ƙarfin Juyawa (IR):Matsakaicin 10 μA a ƙarfin juyawa VR=5V.
• Juriya na Zafi (RTHJ-S):Matsakaicin 450 °C/W, yana nuna juriya na zafi tsakanin haɗin gwiwa da wurin waldi.

2.2 Matsakaicin Iyaka

Don hana lalacewa, LED ba za a yi amfani da shi sama da iyaka masu zuwa ba:

• Rashin Wutar (Pd): 48 mW.
• Ƙarfin Gaba (IF): 20 mA na ci gaba.
• Ƙarfin Gaba na Kololuwa (IFP): 60 mA (faɗin bugun 0.1 ms, zagayowar aiki 1/10).
• Rashin Lantarki (ESD, HBM): 2000 V.
• Zazzabi na Aiki (Topr): -40 zuwa +85 °C.
• Zazzabi na Ajiya (Tstg): -40 zuwa +85 °C.
• Zazzabi na Haɗin Gwiwa (Tj): 95 °C.

3. Tsarin Rarraba (Binning)

3.1 Rarraba Voltage

Ana sarrafa ƙarfin gaba ta hanyar rarrabuwa don tabbatar da aikin daidaitaccen a cikin da'irori na jeri da da'ira. Akwai rukunoni takwas na voltage daga 1.6 V zuwa 2.4 V, kowane yana rufe taga 0.1 V. Lambobin rukunin sune A1, A2, B1, B2, C1, C2, D1, da D2.

3.2 Rarraba Tsawon Igiyar Ruwa

Tsawon igiyar ruwa mai rinjaye an rarraba shi zuwa ƙungiyoyi uku don biyan takamaiman buƙatun launi: F00 (625–630 nm, ja mai zurfi), G00 (630–635 nm, ja na yau da kullun), da H00 (635–640 nm, ja mai ɗan tsayi).

3.3 Rarraba Ƙarfin Haske

An raba ƙarfin haske zuwa rukunoni shida don ba da sassauci a zaɓin haske. Rukunin suna daga A00 (mafi ƙanƙanta) zuwa F00 (mafi girma), tare da ƙima daga 8 mcd zuwa 100 mcd.

4. Masu Aikin Aiki

4.1 Ƙarfin Gaba da Ƙarfin Gaba

Masu aikin suna nuna alaƙar logarithmic: yayin da ƙarfin gaba ya ƙaru, ƙarfin gaba kuma yana ƙaruwa a hankali. A 5 mA, ƙarfin gaba na yau da kullun yana kusa da 1.8–2.0 V dangane da rukuni.

4.2 Ƙarfin Gaba da Ƙarfin Dangantaka

Fitowar haske na dangantaka yana ƙaruwa tare da ƙarfin gaba. Masu aikin sun kusan mike tsaye har zuwa 20 mA, yana nuna inganci mai kyau a ƙarfin tuƙi na yau da kullun.

4.3 Zazzabi na Fil da Ƙarfin Dangantaka

Yayin da zazzabi na fil ya tashi, ƙarfin dangantaka yana raguwa. A 85°C, ƙarfin na iya faɗuwa zuwa kusan 80–90% na ƙimar a 25°C, dangane da ƙarfin gaba.

4.4 Zazzabi na Fil da Ƙarfin Gaba

Zazzabi mai girma yana buƙatar rage ƙarfin gaba don guje wa wuce iyakar zazzabi na haɗin gwiwa.

4.5 Ƙarfin Gaba da Tsawon Igiyar Ruwa Mai Rinjaye

Ƙara ƙarfin gaba yana haifar da ɗan canji a tsawon igiyar ruwa mai rinjaye, yawanci 'yan nanometer zuwa tsawon igiyar ruwa.

4.6 Ƙarfin Dangantaka da Tsawon Igiyar Ruwa

Bakan haske yana da kololuwa kusan 625–640 nm tare da rabin faɗin 15 nm, yana ba da launin ja mai kunkuntar.

4.7 Tsarin Haskakawa

Zanen haskakawa yana nuna kusurwa mai faɗi na digiri 140, yana sa LED ya dace da haskakawa mai faɗi a aikace-aikacen alama.

5. Bayani Na Injiniya da Marufi

5.1 Girman Marufi

LED yana da girman 1.0 mm × 0.5 mm × 0.4 mm (tsayi × faɗi × tsawo). Duba daga sama yana nuna lantarki biyu: anode da cathode. Duba daga ƙasa yana nuna faɗin waldi daban-daban don ganewa cikin sauki. An yiwa polarity alama da zube ko dige a saman.

5.2 Polarity da Tsarin Waldi

Tsarin waldi da aka ba da shawarar ya ƙunshi faɗi biyu: ɗaya na anode (mafi girma) da ɗaya na cathode (mafi ƙanƙanta). Daidaitawa daidai yana tabbatar da polarity daidai. An bayar da girman shimfidar a cikin takaddar bayanai: 0.6 mm ga kowane faɗi tare da tazara 0.5 mm.

5.3 Girman Tef da Reel

Tef ɗin ɗaukar kaya yana amfani da faɗin 8 mm, tare da tafiya na 2.00 mm don aljihun abubuwan. Diamita na reel shine 178 mm, tare da faɗin 8.0 mm. Kowane reel yana ɗauke da guda 4000.

6. Jagororin Waldi da Hada

6.1 Waldi na SMT Reflow

Tsarin reflow da aka ba da shawarar ya haɗa da ƙimar hawan sama har zuwa 3°C/s, preheating daga 150°C zuwa 200°C na tsawon daƙiƙa 60–120, sai kuma hawan zuwa zazzabi kololuwa na 260°C (max) na tsawon daƙiƙa 10. Sanyaya a ƙimar har zuwa 6°C/s. Jimlar lokaci daga 25°C zuwa kololuwa bai kamata ya wuce mintuna 8 ba.

6.2 Waldi da Hannu

Idan waldi da hannu ya zama dole, yi amfani da ƙarfe mai zafi da zazzabi ƙasa da 300°C kuma gama haɗin cikin ƙasa da daƙiƙa 3. Ana ba da izinin aikin waldi da hannu ɗaya kawai ga kowane LED.

6.3 Gyara da Sake Aiki

Ba a ba da shawarar gyara bayan waldi ba. Idan ba za a iya kaucewa ba, yi amfani da ƙarfe mai zafi mai kai biyu kuma tabbatar da cewa halayen LED basu lalace ba. Ka guje wa damuwa na injiniya yayin sanyaya.

6.4 Gargaɗi Na Gama-gari

Kada a ɗora LED a kan wuraren PCB da suka lanƙwasa. Bayan waldi, kada a lanƙwasa allo ko a yi girgiza. Ba a ba da izinin sanyaya da sauri bayan reflow ba.

7. Bayani Na Marufi da Oda

7.1 Tef ɗin ɗaukar kaya da Reel

Marufi na yau da kullun shine guda 4000 a kowane reel a cikin tef ɗin ɗaukar kaya 8 mm. Tef ɗin yana da ramukan ciyarwa da tef ɗin rufe sama. An yiwa reel alama da lambar sashi, lambar lot, lambobin rukuni, yawa, da kwanan wata.

7.2 Marufi Mai Hana Danshi

Ana jigilar LED a cikin jakunkuna masu hana danshi tare da bushewa don kiyaye ƙarancin danshi. MSL Level 3 yana buƙatar cewa bayan buɗewa, dole ne a yi amfani da na'urorin cikin awanni 168 idan an ajiye su a ≤30°C/60%RH. Ana buƙatar buƙata a 60°C na awanni 24 idan aka wuce iyaka.

7.3 Taƙaitaccen Gwajin Dogaro

Samfurin ya ci gwajin dogaro na yau da kullun ciki har da waldi na reflow (260°C, 10s, 2 zagaye), zagayowar zazzabi (−40°C zuwa 100°C, 100 zagaye), girgizar zafi (−40°C/100°C, 300 zagaye), ajiya a babban zazzabi (100°C, 1000h), ajiya a ƙaramin zazzabi (−40°C, 1000h), da gwajin rayuwa (25°C, 5mA, 1000h). Abubuwan da ke haifar da gazawa an ayyana su azaman canjin VF >10%, IR >2x iyaka, ko raguwar haske >30%.

8. Shawarwari Na Aikace-aikace

8.1 Da'irorin Aikace-aikace Na Yau da Kullun

Don aikace-aikacen alama, ya kamata a yi amfani da resistor mai iyakance ƙarfi a jeri. Misali, a wutar 5V da ƙarfin 5mA, resistor kusan 640Ω (don VF≈1.8V) ya dace. Don haske mafi girma, tuƙi har zuwa 20mA tare da sarrafa zafi daidai.

8.2 Kariya ta ESD

LED yana da ƙarfin jurewa ESD na 2000V (HBM). Duk da haka, ana ba da shawarar matakan kariya na ESD na yau da kullun (ƙasa, igiyoyin hannu, ionizers) yayin ɗauka da haɗawa.

8.3 Zane na Zafi

Ko da yake juriyar zafi tana da girma (450°C/W), ƙarancin ɓata wutar yana nufin zafi yana iya sarrafawa. Tabbatar da kyakkyawan haɗin waldi kuma ka guje wa sanya LED kusa da tushen zafi mai ƙarfi.

9. Kwatanta Fasaha

9.1 Kwatanta da LED Ja 0402 Na Yau da Kullun

Wannan LED yana ba da kusurwar kallo mai faɗi (140°) idan aka kwatanta da na'urorin 120° na yau da kullun. Zaɓuɓɓukan rarrabuwa masu ƙarfi suna ba da mafi kyawun daidaiton launi da haske. Ƙimar ESD na 2 kV tana sama da yawancin LED na yau da kullun (yawanci 1 kV). Juriya na zafi yana kama da marufi iri ɗaya.

10. Tambayoyi Na Yau da Kullun

10.1 Menene ƙarfin gaba da ake ba da shawara?

Ƙarfin gwajin na yau da kullun shine 5 mA, amma ana iya tuƙa LED har zuwa 20 mA na ci gaba. Don bugun jini, har zuwa 60 mA a zagayowar aiki 10%.

10.2 Yaya zan ajiye LED bayan buɗe jakar?

Ajiye a ≤30°C da ≤60% RH. Yi amfani da shi cikin awanni 168. Idan ba a yi amfani da shi ba, buƙata a 60°C na awanni 24 kafin amfani.

10.3 Zan iya amfani da waɗannan LED a aikace-aikacen waje?

Kewayon zazzabi na aiki shine -40 zuwa +85°C, mai dacewa da aikace-aikacen waje da yawa idan an kiyaye shi daga danshi da damuwa na injiniya.

11. Misalan Aikace-aikace Na Aiki

11.1 Alamar Matsayi a Karfe Na Wayar Hannu

Ana amfani da LED ja 0402 don nuna halin caji. Tare da ƙarfin 5 mA, yana ba da isasshen gani. Kusurwar kallo mai faɗi yana tabbatar da ganin alama daga kusurwoyi daban-daban.

11.2 Hasken Baya na Maɓalli a Kayan Mota

Ana ɗora LED 0402 da yawa a bayan alama don samar da haske ja daidai. Ƙaramin girman yana ba da damar ɗaurewa sosai.

12. Ka'idar Aiki

12.1 Ka'idar Aiki na LED Ja

LED ya dogara ne akan haɗin semiconductor da aka yi daga kayan da ke fitar da ja (yawanci AlGaInP ko GaAsP). Lokacin da aka yi amfani da ƙarfin gaba, electrons da holes suna haɗuwa a yankin aiki, suna fitar da photons tare da makamashi da ya dace da kewayon tsawon igiyar ruwa ja (625–640 nm). Ƙarfin yana daidaita da ƙarfin gaba. Guntun yana lulluɓe a cikin marufi na epoxy ko silicone mai haske wanda ke jagorantar haske a waje.

13. Hanyoyin Ci gaba

13.1 Ƙanananci da Ingantacciyar Ingantacciyar

Hanyar da ke cikin marufi na LED tana zuwa ga ƙananan ƙafafu kamar 0402 har ma 0201, ba tare da rasa haske ko dogaro ba. Ci gaba a ƙirar guntu da fasahar phosphor (don LED farare) na ci gaba da tura inganci sama. Ga LED ja, ingantattun tsarin AlGaInP sun haifar da ingancin haske mafi girma da kwanciyar hankali mafi kyau a zazzabi. Ci gaba na gaba na iya haɗa da haɗaɗɗen kariya ta ESD da ƙarfin wutar lantarki mafi girma a cikin ƙananan marufi.