Jan LED 3.50x2.80x1.85mm PLCC4 - Na'urar Wutar Lantarki 2.4V - Rashin Wutar 196mW - Tsawon Wutar 621nm - Bayanan Fasaha

1. Bayanin Samfur

1.1 Bayani Gabaɗaya

Wannan samfurin wani jan LED ne mai ƙarfi da aka kera tare da yadudduka na AlGaInP a kan wani substrate. An saka shi a cikin marufin PLCC-4 mai girman 3.50 mm × 2.80 mm × 1.85 mm. An ƙera na'urar don haɗawa ta hanyar SMT kuma ta cancanci matakin mota (AEC-Q101), yana mai da ita dacewa ga aikace-aikace masu tsauri kamar hasken cikin mota da maɓallai. LED ɗin yana fitar da jan launi mai zurfi tare da tsawon wutar da ke kusa da 621 nm kuma yana ba da kusurwar gani mai faɗi sosai na 120°.

1.2 Siffofi

• Marufin PLCC-4 (3.50 mm × 2.80 mm × 1.85 mm)
• Kusurwar gani mai faɗi sosai (120°)
• Ya dace da duk hanyoyin haɗa SMT
• Ana samunsa a tef da reel (2000 guda / reel)
• Matsayin damshin danshi: Mataki na 2 (bisa ga IPC/JEDEC J-STD-020)
• Yarda da umarnin RoHS da REACH
• An cancanta bisa ga gwajin damuwa na AEC-Q101 don masu sarrafa wutar lantarki na matakin mota
• Ƙarfin jurewa ESD: 2000 V (HBM), tare da >90% yawan samfur

1.3 Aikace-aikace

• Hasken cikin mota (hasken rufin, hasken karatu, hasken yanayi)
• Maɓallai da fitilun nuna alama

2. Ma'aunai na Fasaha

2.1 Halayen Lantarki da Na'urar Gani (a Ts = 25°C, IF = 50 mA)

Tebur mai zuwa ya taƙaita mahimman ma'aunai na lantarki da gani da aka auna a ƙarfin gaba na 50 mA (sai dai idan an bayyana akasin haka):

Ana auna ƙarfin gaba tare da haƙuri na ±0.1 V, kuma haƙurin ƙarfin haske ±10%. Haƙurin tsawon wutar (dominant wavelength) ±0.5 nm.

2.2 Matsakaicin Matsayi Mafi Girma

Kada a yi amfani da na'urar fiye da matsakaicin matsayi mafi girma da aka jera a ƙasa. Ketare waɗannan iyakoki na iya haifar da lalacewa ta dindindin.

2.3 Yankunan Bin don Ƙarfin Gaba, Ƙarfin Hasken, da Tsawon Wutar Dominant

Don tabbatar da aiki daidai, ana rarraba LED ɗin a ƙarfin gwaji na 50 mA zuwa rukunoni masu zuwa:

• Yankunan Ƙarfin Gaba (V_F):C1 (2.0-2.1 V), C2 (2.1-2.2 V), D1 (2.2-2.3 V), D2 (2.3-2.4 V), E1 (2.4-2.5 V), E2 (2.5-2.6 V), F1 (2.6-2.7 V), F2 (2.7-2.8 V).
• Yankunan Ƙarfin Hasken (I_V):N1 (1800-2300 mcd), N2 (2300-2800 mcd), O1 (2800-3500 mcd).
• Yankunan Tsawon Wutar Dominant (λ_d):D2 (617.5-620 nm), E1 (620-622.5 nm), E2 (622.5-625 nm).

2.4 Halayen Zafi

Juriya na zafi daga junction zuwa wurin walda (R_{th J-S}) shine mafi girman 130 °C/W. Gudanar da zafi da kyau yana da mahimmanci don kiyaye zazzabin junction ƙasa da 120 °C. A yanayin zafi mai girma, ƙarfin gaba yana raguwa kuma ƙarfin haske yana faɗuwa. Dole ne masu ƙira su tabbatar da isasshen zubin zafi, musamman lokacin aiki a currents kusa da iyakar mafi girma (70 mA).

3. Lankwasawan Aiki

An kwatanta halayen gani da lantarki na yau da kullun a cikin hotuna masu zuwa (duba takardar bayanai don cikakkun bayanai na hoto):

• Ƙarfin Gaba vs. Ƙarfin Gaba (Hoto 1-7):Ƙarfin gaba yana ƙaruwa ba daidai ba tare da current, daga kusan 2.20 V a 0 mA zuwa 2.60 V a 150 mA (yanayin bugun). A ƙarfin gwaji na 50 mA, V_Fyawanci 2.4 V.
• Ƙarfin Hasken vs. Ƙarfin Gaba (Hoto 1-8):Ƙarfin haske na dangantaka yana ƙaruwa kusan daidai da ƙarfin gaba har zuwa 70 mA. A 70 mA, ƙarfin haske ya fi na 20 mA kusan 80%.
• Zazzabin Walda vs. Ƙarfin Hasken (Hoto 1-9):Yayin da zazzabin yanayi ko wurin walda ya tashi daga 20 °C zuwa 120 °C, ƙarfin haske na dangantaka yana raguwa da kusan 15%. Ana buƙatar rage ƙarfin zafi don aiki a yanayin zafi mai girma.
• Zazzabin Walda vs. Ƙarfin Gaba (Hoto 1-10):Don hana wuce gona da iri na zazzabin junction mafi girma, dole ne a rage ƙarfin gaba yayin da zazzabin walda yake ƙaruwa. A 100 °C, iyakar current da aka yarda shine kusan 40 mA.
• Ƙarfin Gaba vs. Zazzabin Walda (Hoto 1-11):Ƙarfin gaba yana raguwa daidai da zazzabi a ƙimar kusan -2 mV/°C.
• Tsarin Radiyo (Hoto 1-12):Na'urar tana nuna tsarin radiyo mai kama da Lambertian tare da kusurwar rabin ƙarfi mai faɗi 120°, yana ba da haske iri ɗaya.
• Ƙarfin Gaba vs. Tsawon Wutar Dominant (Hoto 1-13):Tsawon wutar dominant yana motsawa kadan zuwa tsawon igiyoyi (ja) yayin da current ke ƙaruwa. A 70 mA, motsi yana kusan +2 nm idan aka kwatanta da 10 mA.
• Rarrabawar Bakan (Hoto 1-14):Bakin haskawa yana kaiwa kololuwa a kusan 621 nm tare da cikakken faɗin rabin iyaka (FWHM) na kusan 20 nm. Launi shine ja mai cikawa.

4. Marufin Injiniya

4.1 Girman Marufi

An saka LED ɗin a cikin marufin PLCC-4 mai girman 3.50 mm × 2.80 mm × 1.85 mm. Duban sama yana nuna siffar rectangular tare da ruwan tabarau na silicone a sama. An nuna cathode da anode a duban ƙasa ta hanyar kusurwar da aka yanke (cathode) da alamar maɓalli. Duk girma suna da millimeter tare da haƙuri na ±0.2 mm sai dai idan an bayyana akasin haka.

4.2 Tsarin Walda (Tsarin Filin Duniya da aka Shawarta)

An bayar da tsarin filin da aka shawarta don ƙirar PCB don tabbatar da ingantaccen haɗin walda da zubin zafi. Tsarin ya ƙunshi pads rectangular guda biyu (2.40 mm × 1.60 mm) tare da nisan 4.60 mm tsakaninsu. Ya kamata a ƙara girman yankin jan ƙarfe don inganta aikin zafi.

4.3 Gane Polarity

Ana nuna cathode ta wani ɗan kwane-kwane ko yanke a jikin marufi a duban ƙasa. Tsarin fil shine: Fil 1 (anode) da Fil 2 (cathode) a gefe ɗaya, da Fil 3 (anode) da Fil 4 (cathode) a gefen kishiyar. Duba takardar bayanai don daidaitaccen alkibla.

5. Haɗawa da Walda

5.1 Tsarin Walda na Reflow

An ƙera LED ɗin don jure walda na reflow bisa ga tsarin mai zuwa (bisa ga JEDEC J-STD-020):

Kada a yi walda na reflow fiye da sau biyu. Idan tazarar tsakanin zagayen walda biyu ta wuce sa'o'i 24, dole ne a gasa LED ɗin (60 °C, awanni 24) don hana lalacewa ta danshi.

5.2 Walda da Hannu

Idan ana buƙatar walda da hannu, yi amfani da ƙarfe mai walda tare da zazzabi ƙasa da 300 °C da lokacin aiki ƙasa da daƙiƙa 3. An yarda da aikin walda da hannu guda ɗaya kawai.

5.3 Kariya da Gudanarwa

• Kada a matsa lamba mai yawa a kan ruwan tabarau na silicone. Yi amfani da nozzles na pick-and-place da aka tsara don LED masu rufe da silicone.
• Ka guji haɗa LED ɗin a kan sassan PCB masu lankwasa ko marasa daidaituwa.
• Bayan walda, bar allo ya sanyaya a hankali; kar a tilasta sanyaya da iska ko ruwa.
• Kada a yi lankwasa ko murɗa PCB bayan walda.
• Yi amfani da kayan tsabtace da aka shawarta kawai (isopropyl alcohol). Ba a ba da shawarar tsabtace ultrasonic ba saboda yana iya lalata LED ɗin.

6. Marufi da Ajiya

6.1 Bayanin Marufi

Ana ba da LED ɗin a cikin marufin tef da reel tare da cikakkun bayanai masu zuwa:

• Yawa: 2000 guda a kowane reel.
• Tef mai ɗaukar kaya: faɗi 8 mm, nisan aljihu 4.0 mm, tare da tef mai rufi.
• Reel: diamita 330 mm, diamita na cibiya 100 mm, ramin spindle 13 mm.

6.2 Bayanin Label

Kowane reel yana ɗauke da label tare da lambar sashi, lambar bayani, lambar lot, lambar bin (don VF, IV, wavelength), yawa, da lambar kwanan wata.

6.3 Jakar Danshi da Yanayin Ajiya

Ana rufe LED ɗin a cikin jakar danshi (MBB) tare da busasshen abu. Yanayin ajiya:

7. Gwajin Dogara

7.1 Abubuwan Gwaji da Yanayi

An yi wa LED ɗin gwaje-gwajen dogara masu zuwa bisa ga ƙa'idodin da aka jera. An yi kowane gwaji akan samfura 20 tare da ma'aunin karɓa na gazawar 0 (0/1).

7.2 Ma'aunin Gazawa

Ana ɗaukar na'urar ta gaza idan ta wuce iyakoki masu zuwa bayan gwaji:

• Ƙarfin gaba a 50 mA: > 1.1 × babban iyakar ƙayyadaddun (U.S.L.)
• Ƙarfin baya a 5 V: > 2.0 × U.S.L.
• Hasken haske a 50 mA:<0.7 × ƙananan iyakar ƙayyadaddun (L.S.L.)

8. La'akari da Tsarin Aikace-aikace

Don cimma kyakkyawan aiki da dogara, ya kamata a bi waɗannan jagororin ƙira:

• Ƙuntata Current:Ana buƙatar resistor jeri don iyakance ƙarfin gaba zuwa bai wuce 70 mA ba. Ko canji kaɗan a ƙarfin wutar lantarki na iya haifar da babban canji na current saboda lankwasa IV mai tsauri.
• Kariya daga Ƙarfin Baya:LED ɗin yana da iyakar ƙarfin baya na 5 V kawai. Tabbatar cewa kewaye baya sanya ƙarfin baya yayin aiki ko canje-canje na wucin gadi.
• Gudanar da Zafi:A 50 mA, rashin wutar yana kusan 120 mW (V na yau da kullun_F2.4 V). Tare da juriya na zafi na 130 °C/W, haɓakar zazzabin junction shine 15.6 °C sama da wurin walda. Don yanayin zafi mai girma, rage ƙarfin current daidai.
• Kariya ESD:Ko da yake LED ɗin yana iya jure 2000 V HBM, ana ba da shawarar yin amfani da na'urorin kariya ESD (misali, diodes na zener) a cikin kewaye idan tsarin yana da saurin kamuwa da cikewar lantarki.
• Dacewa da sinadarai:Ka guji amfani da kayan da ke ɗauke da sulfur, bromine, chlorine, ko mahaɗan kwayoyin halitta masu canzawa (VOCs) waɗanda zasu iya fitar da iskar gas kuma su kai hari ga rufin silicone. Bai kamata yawan sulfur a cikin muhalli ya wuce 100 ppm ba, kuma halogens (Br, Cl) daban-daban ƙasa da 900 ppm, gabaɗaya ƙasa da 1500 ppm.
• Tsaftacewa:Idan tsaftacewa ya zama dole bayan walda, yi amfani da isopropyl alcohol. Kada a yi amfani da tsaftacewa ultrasonic domin yana iya haifar da lalacewar haɗin waya.

9. Fa'idodin Kwatanta

Idan aka kwatanta da jan LED na yau da kullun na girman marufi iri ɗaya, wannan na'urar tana ba da fa'idodi na musamman da yawa:

• Kusurwar Gani Mai Faɗi:120° (sabanin yawanci 60°-90°) ya sa ya dace da hasken ciki iri ɗaya.
• Hasken Mai Ƙarfi:Har zuwa 3500 mcd a 50 mA, yana ba da damar amfani a aikace-aikacen da ake iya gani a rana.
• Cancantar Mota:Yarda da AEC-Q101 yana tabbatar da ƙarfi a ƙarƙashin yanayin mota mai tsauri (matsanancin zazzabi, girgiza, danshi mai girma).
• Ƙananan Juriya na Zafi:130 °C/W yana da gasa ga marufin filastik, yana ba da damar aiki mafi girma na current tare da zubin zafi mai kyau.
• Ƙananan Haƙurin Tsawon Wutar:Rarraba zuwa bins na 2.5 nm yana tabbatar da daidaiton launi don alamun maɓalli.

10. Tambayoyi da Amsoshi (FAQ)

1. Tambaya: Mene ne iyakar ƙarfin gaba na ci gaba?Amsa: Matsakaicin mafi girma shine 70 mA. Don dogon aiki mai dogaro, ana ba da shawarar a kasance ƙasa da 60 mA a yanayin zafi mai girma.
2. Tambaya: Zan iya kunna LED ɗin ba tare da resistor ba?Amsa: A'a. Resistor mai iyakance current yana da mahimmanci don hana guduwar zafi. Har ma ba a ba da shawarar tushen ƙarfin wutar lantarki na dindindin ba saboda V_Fyana canzawa tare da zazzabi.
3. Tambaya: Yaya zan adana LED ɗin da ba a yi amfani da su ba?Amsa: Ajiye su a cikin jakar danshi da ba a buɗe ba a ≤30 °C da ≤75% RH. Da zarar an buɗe, yi amfani da su a cikin awanni 24 ko kuma gasa kafin haɗawa.
4. Tambaya: Menene bambanci tsakanin tsawon wutar dominant da tsawon wutar peak?Amsa: Tsawon wutar dominant shine launi da ɗan adam ke gani (ga jan LED, yawanci yana kusa da peak). Ana auna tsawon wutar dominant bisa ga ƙa'idodin CIE; ga wannan samfurin, yana daga 617.5 zuwa 625 nm.
5. Tambaya: Zan iya amfani da wannan LED ɗin don hasken mota na waje?Amsa: An ƙayyade wannan na'urar don aikace-aikacen ciki. Don amfani na waje (misali, fitilun baya), ana iya buƙatar ƙarin gwajin muhalli (UV, shigar ruwa).
6. Tambaya: Me yasa ruwan tabarau na silicone yake da laushi?Amsa: An zaɓi Silicone saboda kyakkyawan watsa haske da kwanciyar hankali a zazzabi mai girma. Duk da haka, yana da laushi fiye da epoxy; ka guji taɓa ruwan tabarau da abubuwa masu kaifi.

11. Misalan Aikace-aikace Aiki

Misali 1: Hasken Rufin Mota

LED ɗaya na iya maye gurbin kwanon wuta na al'ada a cikin hasken rufin. Tare da ƙarfin 50 mA, LED ɗin yana ba da ~2.9 cd, wanda ya isa ya haskaka ƙaramin motar ciki. Kusurwar gani mai faɗi yana tabbatar da rarraba haske daidai. Resistor na 18 Ω (don samar da 12 V) yana iyakance current zuwa ~50 mA, la'akari da V na yau da kullun_Fna 2.4 V. Ana iya haɗa LED ɗin a kan PCB mai tushen aluminum (MCPCB) don zubin zafi.

Misali 2: Hasken Baya na Maɓalli

Don maɓallin turawa, ana iya sanya LED ɗin a bayan maɓallin da ba a gani ba. Tare da ƙaramin ƙarfin tuƙi (20 mA), ƙarfin haske (~1.5 cd) ya isa don nuna alamar yanayi. Wannan yana rage amfani da wutar lantarki da haɓakar zafi. Ƙaramin marufin PLCC-4 ya dace sosai akan PCB na FR4 na yau da kullun.

12. Ka'idar Aiki

LED ɗin shine tushen haske na semiconductor wanda ya dogara da tsarin kayan AlGaInP (aluminum gallium indium phosphide). Lokacin da aka sanya ƙarfin gaba a kan junction p-n, electrons daga gefen n suna sake haɗuwa da ramuka daga gefen p a cikin yanki mai aiki. Wannan sake haɗuwa yana saki makamashi a cikin nau'in photons (haske) tare da tsawon wutar da aka ƙayyade ta hanyar ƙarfin band na mahaɗin AlGaInP. Ta hanyar sarrafa abun da ke ciki a hankali, ana daidaita haskawa zuwa ɓangaren ja na bakan (~621 nm). Marufin PLCC-4 yana amfani da ruwan tabarau na silicone mai haske don haɓaka fitar da haske da kuma ba da tsarin radiyo mai faɗi.

13. Hanyoyin Ci Gaba

Hanyar ci gaba a cikin hasken cikin mota ita ce mafi inganci, ƙananan marufi, da ingantaccen daidaiton launi. Ci gaba na gaba na iya haɗawa da:

- Haɗa LED da yawa a cikin marufi guda don mafita na RGB ko farin daidaitacce.

- Ingantaccen juriya na zafi ta hanyar ƙirar marufi na ci gaba (misali, amfani da leadframes na ƙarfe ko substrates na yumbu).

- Matsayin haske mafi girma don tallafawa nunin da ake iya gani da rana.

- Ƙuntataccen haƙurin bin kamar yadda tsarin haske na daidaitawa ke buƙata.

- Ƙara amfani da LED a cikin hasken da ke mai da hankali ga ɗan adam (HCL) don sarrafa yanayi.

Wannan samfurin, tare da cancantar AEC-Q101 da haskawa mai kusurwa mai faɗi, yana da matsayi mai kyau don tsara na gaba na hasken cikin mota.