Kundin bayanai na LED Blue 3.00x3.00x2.10mm 3.3V 1.65W EMC Package - 460nm - 500mA - 20lm

1. Bayanin Samfurin

Wannan takarda tana ba da cikakken bayani na fasaha don LED shudi mai ƙarfi wanda ke amfani da marikin EMC (Epoxy Molding Compound). Na'urar an tsara ta don aikace-aikace masu wahala da ke buƙatar amintacciya mai girma, ciki har da lura da tsaro, haskaka firikwensin, haskaka shimfidar ƙasa, da haskaka gaba ɗaya. Tare da ƙaramin girma na 3.00mm x 3.00mm x 2.10mm, yana ba da damar shimfidar PCB mai yawa yayin da yake bayar da fitowa na 20 lumens a yanayin wutan 500mA. Marikin EMC yana ba da aikin zafi mafi kyau da ƙarfi idan aka kwatanta da marikin leadframe na gargajiya, yana mai da shi dacewa don aiki mai tsawo a cikin yanayi mara kyau.

1.1 Muhimman Abubuwan

• Ya dace da sodering reflow mara gubar (RoHS compliant)
• Matsayin hankali ga danshi: MSL Level 3 (bisa JEDEC)
• Tsawon raƙuman ruwa mai rinjaye: 460nm (yawanci) – launi shudi
• Wutar gaba: 3.0V – 3.3V (yawanci 3.3V a 500mA)
• Kusurwar kallo: digiri 100 (rabin ƙarfi)
• Juriya ga zafi: 14°C/W (junction zuwa wurin sodering)
• Kariya daga fitar da lantarki: 2kV (HBM) tare da >90% samarwa

1.2 Aikace-aikacen da aka nufa

• Alamomin gani da haskaka sigina
• Haskaka shimfidar ƙasa da gine-gine
• Haskaka gaba ɗaya da haskaka ado
• Haskaka kyamarar tsaro da lura
• Tsarin gani na firikwensin da inji

2. Binciken Ma'aunin Fasaha

Sassa masu zuwa suna bayar da fassarar zurfi na ma'aunin lantarki, gani, da zafi da aka bayar a cikin kundin bayanai na samfurin.

2.1 Halayen Gani

A 25°C da wutar gaba 500mA, LED yana nuna tsawon raƙuman ruwa mai rinjaye na 460nm tare da faɗin bakan na 30nm. Fitowa na haske an kiyasta shi a 20 lumens (yawanci), tare da haƙuri na auna ±10%. Kusurwar kallo (kusurwar rabin ƙarfi 2θ1/2) digiri 100 ne, yana ba da fadada haske mai dacewa don haskaka gaba ɗaya da aikace-aikacen alama. Tsarin haske yana da daidaito sosai, kamar yadda aka nuna a cikin zanen polar (duba Fig 1-10 a cikin kundin bayanai na asali).

2.2 Ma'aunin Lantarki

Wutar gaba a 500mA tana daga ƙarami 3.0V zuwa yawanci 3.3V. Haƙurin auna shine ±0.1V. An kayyade wutar baya a 10µA mafi girma lokacin da ake amfani da wutar baya 5V. An iyakance hasarar wuta zuwa 1.65W mafi girman cikakken, wanda yayi daidai da yanayin wutan 500mA. Yana da mahimmanci kada a taɓa wuce mafi girman cikakken matakan don guje wa lalacewa ta dindindin.

2.3 Halayen Zafi

Juriya ga zafi daga junction zuwa wurin sodering shine 14°C/W. Wannan ƙarancin juriya ga zafi, wanda tsarin marikin EMC ya sauƙaƙa, yana ba da damar canja wurin zafi ingantacce daga junction na LED zuwa PCB. Gudanar da zafi daidai yana da mahimmanci; bai kamata zafin junction ya wuce mafi girman matsayi na 115°C ba. Ƙididdigar ragewa suna nuna cewa dole ne a rage wutar gaba yayin da zafin yanayin ke ƙaruwa don kiyaye zafin junction cikin iyaka.

3. Binning da Rarrabawa

Ko da yake kundin bayanai bai yi cikakken bayani kan teburin binning ba, ana ba da samfurin tare da lambobin bin don fitowa (Φ), tsawon raƙuman ruwa mai rinjaye (WLD), da wutar gaba (VF) kamar yadda aka nuna a label na reel. Wannan yana ba abokan ciniki damar zaɓar takamaiman matakan aiki don aikace-aikacen su. Binning na yau da kullun na iya haɗa da ƙungiyoyin fitowa a cikin ƙaruwa da ƙungiyoyin tsawon raƙuman ruwa a kusa da 460nm. Tuntuɓi mai bayarwa don samun cikakken bayani kan binning.

4. Binciken Ƙididdigar Aiki

4.1 Wutar Gaba vs. Wutar Gaba

Ƙididdigar halayyar I-V (Fig 1-6 a cikin kundin bayanai) tana nuna wutar gaba ta yawanci kusan 3.3V a 500mA. Yayin da wutar ke ƙaruwa daga 100mA zuwa 600mA, wutar tana tashi daga kimanin 3.0V zuwa 3.4V. Wannan dangantaka kusan madaidaiciya ta zama al'ada ga LED shudi.

4.2 Ƙarfin Dangi vs. Wuta

Ƙarfin haske na dangi yana ƙaruwa da wutar gaba amma yana nuna ɗan cikawar a manyan wuta (Fig 1-7). A 500mA, ƙarfin dangi yana kimanin 100%, yayin da a 100mA yana faɗuwa zuwa kimanin 20%. Wannan ƙididdigar tana taimaka wa masu zane su kimanta fitowar haske a ƙananan wutan tukawa.

4.3 Dogaron Zafi

Fig 1-8 tana nuna cewa ƙarfin dangi yana raguwa tare da ƙaruwar zafin yanayi. A 85°C, ƙarfin yana faɗuwa zuwa kimanin 85% na darajar a 25°C. Dole ne a yi la'akari da wannan hankalin zafi a cikin tsarin fitilun da ke aiki a yanayi masu zafi.

4.4 Rarraba Bakan

Bakan (Fig 1-9) yana kololuwa a kusa da 460nm tare da cikakken faɗi a rabin iyaka na 30nm. Bakan yana iyakance ga yankin shudi, tare da fitowar da ba a kula da ita a wajen kewayon 400-700nm.

4.5 Zanen Hasken

Zanen hasken polar (Fig 1-10) yana nuna rarrabuwa kamar lambertian tare da kusurwar rabin ƙarfi na ±50 digiri. Wannan faffadan rarrabuwa ya dace da haskaka ruwa da haskaka gaba ɗaya.

4.6 Rage Wuta vs. Zafin Pin

Fig 1-11 tana ba da ƙididdigar ragewa: a zafin pin na 60°C, mafi girman wutar gaba kusan 400mA ne, kuma a 100°C yana raguwa zuwa kimanin 100mA. Wannan ƙididdigar tana da mahimmanci ga tsarin zafi.

5. Bayanin Injiniya da Mariki

5.1 Girman Mariki

Marikin LED yana auna 3.00mm x 3.00mm x 2.10mm (tsawo x faɗi x tsayi) tare da haƙuri na ±0.2mm sai dai in an ambata. Kallon sama yana nuna marikin murabba'i mai tarnaƙi biyu: cathode da anode an gano su a Fig 1-2. Kallon gefe yana nuna tsayi na 2.10mm tare da fitowar ruwan tabarau na 0.70mm. Kallon ƙasa yana nuna girman tarnaƙi: tarnaƙin cathode 1.45mm x 0.69mm, tarnaƙin anode 1.45mm x 0.69mm, tare da tazarar 1.45mm tsakanin tarnaƙi. Zanen sodering (Fig 1-5) yana ba da shawarar tarnaƙin sodering 3.00 x 2.26mm don hawa daidai.

5.2 Gano Polarity

Ana gano cathode da ƙaramin gurɓi ko dige a kan marikin (duba Fig 1-2). Anode yana gefe na kishiyar. Dole ne a kiyaye polarity daidai yayin hawa.

5.3 Zanen Soderin

Zanen sodering da aka ba da shawarar (Fig 1-5) shine 3.00mm x 2.26mm tare da tazarar 0.46mm zuwa gefen. Tarnaƙin zafi yana taimakawa wajen watsar da zafi. Yi amfani da tsarin stencil da ya dace don tabbatar da cikakken rufe sodering.

6. Jagororin Soderin da Hawa

6.1 Bayanin Soderin Reflow

Bayanin reflow da aka ba da shawarar (Fig 3-1) ya kayyade: preheat daga 150°C zuwa 200°C na daƙiƙa 60-120; lokaci sama da 217°C (TL) ya kamata ya zama daƙiƙa 60-150; mafi girman zafi (TP) 260°C tare da mafi girman lokacin riƙe (tP) daƙiƙa 10 a cikin 5°C na kololuwa. Adadin sanyayewa bai kamata ya wuce 6°C/daƙiƙa ba. An yarda da wucewar reflow biyu kacal. Idan fiye da awa 24 suka wuce tsakanin reflow na farko da na biyu, LEDs na iya lalacewa.

6.2 Soderin Hannu

Lokacin sodering da hannu, yi amfani da ƙarfe na sodering da aka saita ƙasa da 300°C na kasa da daƙiƙa 3 a kowane tarni. An yarda da aikin sodering hannu daya kacal.

6.3 Sake Aiki da Gyara

Ba a ba da shawarar gyara ba bayan sodering. Idan ba zai iya ba, yi amfani da ƙarfe na sodering mai kai biyu kuma a gwada halayen tukuna. Tabbatar cewa ba a sanya damuwa ta injiniya yayin zafi.

6.4 Tsare-tsare na Mu'amala

• Kada a matsa kan ruwan tabarau na silicone; a riƙa ta gefe kawai.
• Ka guji hawa akan PCBs da suka lankwasa; kada a lankwasa allon bayan sodering.
• Kada a yi sanyaya da sauri bayan sodering; bar sanyaya na halitta zuwa zafin daki.
• Kada a sanya girgiza ta injiniya yayin sanyaya.

6.5 Yanayin Adanawa

Buhunan shingen danshi da ba a buɗe ba: a adana a<30°C da<75% RH har zuwa shekara ɗaya daga ranar tattarawa. Bayan buɗewa: awa 168 a<30°C da<60% RH. Idan ya wuce, a gasa a 60±5°C na awa 24 kafin amfani.

7. Bayanin Marufi da Oda

7.1 Ƙayyadaddun Marufi

Ana ba da LED a cikin marufi na tef da reel tare da guda 3000 a kowane reel. Girman tef na ɗauka an nuna a Fig 2-1 tare da alamar polarity. Girman reel: A=12.7±0.3mm, B=330.2±2mm, C=79.5±1mm, D=14.3±0.2mm. Ana amfani da buhun shingen danshi tare da bushewa da katin nuna danshi don kare danshi.

7.2 Bayanin Label

Label na reel ya haɗa da: Lambar Sashe (PART NO.), Lambar Ƙayyadaddun (SPEC NO.), Lambar Lot (LOT NO.), Lambar Bin (BIN CODE), Fitowa (Φ), Tsawon Raƙuman Ruwa Mai Rinjaye (WLD), Wutar Gaba (VF), Adadi (QTY), da Kwanan wata (DATE). Ana amfani da wannan bayanin don bibiya da zaɓin bin.

7.3 Akwatin Kati

Ana tattara reels a cikin akwatunan kati don jigilar kaya. An sanya label akwatin da bayanin samfur da adadi.

8. Amintacciya da Cancanta

8.1 Abubuwan Gwajin Amintacciya

Samfurin ya ci gwajin amintacciya masu zuwa bisa ga ma'aunin JEDEC: Soderin reflow (260°C, sau 3), Zagayowar zafi (-40°C zuwa 100°C, zagaye 100), Girgizar zafi (-40°C zuwa 115°C, zagaye 300), Adanawa a zafi mai girma (100°C, awa 1000), Adanawa a zafi mara ƙarfi (-40°C, awa 1000), da Gwajin rayuwa (25°C, 500mA, awa 1000). Ma'aunin karɓa: 0 gazawa daga cikin samfuran 10 (0/1) ga kowane gwaji.

8.2 Ma'aunin Gazuwa

Iyakoki bayan damuwa: Canjin wutar gaba ≤ 1.1x iyakar ƙayyadaddun sama; Wutar baya ≤ 2.0x iyakar ƙayyadaddun sama; Ragewar fitowa ≥ 0.7x iyakar ƙayyadaddun ƙasa.

9. Shawarwarin Tsarin Aikace-aikace

9.1 Tsarin Zafi

Idan aka yi la'akari da juriya ga zafi na 14°C/W da mafi girman hasarar wuta 1.65W, zubar da zafi ya zama mahimmanci. Yi amfani da yankin jan ƙarfe na PCB da hanyoyin zafi don kiyaye zafin junction ƙasa da 115°C. Rage wuta bisa ga zafin yanayi ta amfani da ƙididdigar ragewa da aka bayar.

9.2 Tsarin Lantarki

Dole ne a kori kowane LED tare da resistors masu iyakance wuta ko tushen wuta na dindindin don hana zafi mai ƙaruwa. Ya kamata a guji wutar baya; yi amfani da diodes na kariya idan ya cancanta. Ana ba da shawarar kariya daga ESD yayin mu'amala da aiki.

9.3 La'akarin Muhalli

Ka guji fallasa ga mahallin sulfur (>100ppm), halogens (bromine da chlorine daban-daban<900ppm, jimla<1500ppm), da mahallin kwayoyin da ke canzawa waɗanda zasu iya fitar da iska da lalata ruwan tabarau na silicone. Yi amfani da alcohol isopropyl don tsaftacewa idan ya cancanta.

10. Ka'idar Aiki

Wannan LED wata na'urar semiconductor ce da ke fitar da haske ta hanyar electroluminescence. Yankin aiki ya ƙunshi tsarin rijiyar adadi na InGaN (indium gallium nitride) wanda ke fitar da haske shudi lokacin da electrons da ramuka suka sake haɗuwa ƙarƙashin tura gaba. Tsawon raƙuman ruwa na fitowa an ƙaddara shi ta hanyar bandgap na kayan rijiyar adadi. Marikin EMC yana amfani da epoxy molding compound a matsayin kariya, wanda ke ba da kariya ta injiniya da haɗin gani. Ruwan tabarau na silicone yana ƙara kusurwar kallo kuma yana inganta fitar da haske.

11. Yunkurin Fasaha

Hanyar ga LEDs masu ƙarfi na ci gaba zuwa inganci mafi girma, ƙananan marika, da ingantaccen gudanar da zafi. Marika na EMC kamar wannan suna ba da daidaito tsakanin farashi da aiki don haskaka gaba ɗaya da aikace-aikacen masana'antu. Guntun shudi na 460nm kuma ana amfani da shi azaman tushen phosphor-pumping don LEDs fari, ko da yake wannan na'urar an yi niyya ne don fitar da shudi kai tsaye. Ci gaban gaba na iya haɗawa da mafi girman yawan fitowa da ingantaccen amintacciya tare da ƙarancin juriya ga zafi.

12. Tambayoyi na Yau da Kullun da Lamurran Tsari

12.1 FAQ

Tambaya: Zan iya korar wannan LED a 700mA?Amsa: A'a, mafi girman cikakkiyar wuta shine 500mA (tare da zubar da zafi daidai). Wuce wannan yana iya lalata na'urar.

Tambaya: Menene rayuwar yau da kullun?Amsa: Kundin bayanai bai bayyana rayuwar L70 ba, amma bisa ga LEDs EMC makamantan, ƙarƙashin yanayin da aka ƙiyasta yana iya wuce awa 50,000.

Tambaya: Shin LED ɗin ya dace da aikin bugun jini?Amsa: Ee, aikin bugun jini tare da ƙaramin zagayowar aiki na iya ba da damar wutar kololuwa mafi girma, amma tabbatar da matsakaiciyar wuta bata wuce 1.65W ba.

12.2 Misalin Aikace-aikace

A cikin fitilar haskaka shimfidar ƙasa mai LEDs 12, kowanne ana kora shi a 350mA don samun jimillar 240 lumens, tare da zubar da zafi daidai ta amfani da PCB na aluminum. Wutar gaba a 350mA kusan 3.2V ne, don haka jimillar wuta ga kowane LED shine 1.12W. Tsarin zafi yana tabbatar da zafin junction ƙasa da 85°C a yanayin 40°C. Ana ba da shawarar mai tukawa mai ɗorewa tare da koma baya na zafi don aminci.