Takardun Ƙayyadaddun Fasaha na LED Mai Launuka Biyu 1.6x1.6x0.7mm 1.8V-2.4V 48mW Yellow/Yellow-Green RF-P1S196TS-B51

1. Bayyana Samfurin

1.1 Bayyana Gabaɗaya

Samfurin RF-P1S196TS-B51 wani LED ne mai ɗaukar launuka biyu, nau'in SMD, wanda aka yi ta amfani da ɓangaren rawaya da ɓangaren rawaya-kore. Yana cikin marufi 1.6mm x 1.6mm x 0.7mm, yana dacewa da aikace-aikace masu ƙarancin sarari. Wannan LED an ƙera shi don nunin gani gabaɗaya, maɗaukaki, alamomi, da nunin bayanai. Yana goyan bayan duk hanyoyin haɗa SMT da siyarwa kuma ya bi ka'idojin RoHS. Matsayin ƙwarewar danshi ya kai mataki na 3 bisa ga ƙa'idodin JEDEC.

1.2 Fasaloli

• Kusurwar kallo mai faɗi sosai (140° yawanci).
• Ya dace da duk hanyoyin haɗa SMT da siyarwa.
• Matsayin ƙwarewar danshi: Mataki na 3.
• Ya bi ka'idojin RoHS.
• Ƙaramin sarari: 1.6mm x 1.6mm.
• Ƙananan tsayi: 0.7mm.

1.3 Aikace-aikace

Alamomin gani, haskaka maɗaukaki da alamomi, haskaka bayanai, da alamun sigina gabaɗaya a cikin na'urorin masu amfani, cikin motoci, da na'urorin sarrafa masana'antu.

2. Fassarar Ma'auni na Fasaha

2.1 Abubuwan Lantarki da Gani (a T_s=25°C, I_F=20mA)

LED ɗin yana ba da tashoshi biyu na launi: rawaya (Y) da rawaya-kore (YG). Ana tantance ma'auni masu mahimmanci ƙarƙashin yanayin gwaji na 20mA na gabanci da zafin yanayi na 25°C.

2.2 Matsayin Ƙarfi Mafi Girma

Ketare waɗannan dabi'u na iya haifar da lalacewa ta dindindin. Ba a ba da shawarar aiki fiye da yanayin da aka ba da shawarar ba.

3. Tsarin Rarraba (Binning)

LED ɗin an raba shi bisa tsawon rarrabe mai iko, haske, da ƙarfin gabanci don tabbatar da daidaito. Tashar rawaya an raba ta zuwa D00 (585-590nm) da E00 (590-595nm). Tashar rawaya-kore an raba ta zuwa B10 (565-567.5nm), B20 (567.5-570nm), C10 (570-572.5nm), da C20 (572.5-575nm). Rarraba haske don rawaya yana daga 70 zuwa 200 mcd (bins 1DW, 1AP, G20, 1AW), yayin da rawaya-kore yana daga 18 zuwa 100 mcd (bins C00, D00, E00, F00, F20). Ƙarfin gabanci an raba shi zuwa lamba ɗaya (1L) tare da kewayon yau da kullum 1.8-2.4V. Bayanin rarraba an ɓoye shi akan lakabin reel a matsayin "BIN CODE" da lambobi daban don tsawon raƙuman ruwa (WLD) da ƙarfin gabanci (VF).

4. Binciken Kwatancin Aiki

4.1 Ƙarfin Gabanci vs. Ƙarfin Gabanci

A ƙananan igiyoyi (0-5mA), ƙarfin gabanci yana ƙaruwa da sauri; sama da 5mA, gangara yana raguwa. Kwatancin yana yau da kullum ga LEDs na GaP. A 20mA, ƙarfin gabanci ya kai kusan 2.0V ga kowane chip.

4.2 Ƙarfin Gabanci vs. Hasken Dangi

Hasken dangi yana ƙaruwa a layi tare da ƙarfin gabanci har zuwa 20mA, babu gauta da aka gani a cikin kewayon da aka ba da shawara. Igwiyar mafi girma tana ba da haske mafi girma amma dole ne ta kasance a cikin matsakaicin ƙarfi.

4.3 Dogaro da Zafin Jiki

Hasken dangi yana raguwa yayin da zafin yanayi ya tashi. A 100°C, fitarwa ta ragu zuwa kusan 80% na darajar zafin ɗaki. Ana buƙatar rage ƙarfin gabanci sama da 60°C don guje wa ketare iyakar zafin junction (95°C). Kwatancin zafin pin vs. ƙarfin gabanci yana nuna ragewa a layi daga 20mA a 25°C zuwa sifili a kusan 115°C.

4.4 Canjin Tsawon Rarrabe vs. Igwiyar

Tsawon rarrabe mai iko yana ƙaruwa kaɗan tare da ƙarfin gabanci ga duka launuka. Ga rawaya, canjin yana daga ~589nm a 0mA zuwa ~596.5nm a 30mA. Ga rawaya-kore, yana canzawa daga ~567nm zuwa ~575nm a cikin kewayon igwiyar iri ɗaya. Wannan tasiri yana faruwa ne saboda dumama junction da kunkuntar bandgap.

4.5 Rarraba Siffar Hasken da Tsarin Radiyewa

Chip ɗin rawaya yana kololuwa kusa da 590-595nm, chip ɗin rawaya-kore kusa da 565-575nm. Dukansu suna da faɗin rabin band na kusan 15nm, suna ba da launi mai tsafta. Tsarin radiyewa yana kama da Lambertian tare da babban rabin kusurwa na 140°, yana tabbatar da haskaka daidai a kan wani yanki mai faɗi.

5. Bayanan Injiniya da Marufi

5.1 Girman Marufi

Marufin LED ɗin yana auna 1.6mm (tsawo) × 1.6mm (faɗi) × 0.7mm (tsayi). Duban sama yana nuna wani yanki mai haske 1.1mm×0.9mm. Duban gefe yana nuna kauri na substrate 0.3mm. Duban ƙasa yana nuna pads na siyarwa guda huɗu: pad 1 (cathode don rawaya? alamar polarity), 2 (anode don rawaya), 3 (anode don rawaya-kore), 4 (cathode don rawaya-kore). Tsarin siyarwa da aka ba da shawara yana amfani da nisa na pad 0.8mm da tazarar pad 0.6mm. Ana nuna polarity ta alamar kusurwa (ganewa pin 1).

5.2 Tape da Reel

Girman tape: faɗi 8.0mm, nisa 4.0mm, girman aljihu 1.83×1.83mm, zurfin 0.95mm. Diamita na reel: 178mm (inci 7), faɗi 8.0±0.1mm, diamita na hub 60±1mm, rami 13.0±0.5mm. Kowane reel yana ɗauke da guda 4000. Lakabin reel ya haɗa da lambar sassa, lambar ƙayyadaddun, lambar kuri'a, lambar bin, yawa, da kwanan wata.

5.3 Marufi na Hana Danshi

An rufe reel ɗin a cikin jaka mai hana danshi tare da busasshiyar abu da katin nuna danshi. Akwatin waje akwatin kwali ne na yau da kullum don kariya ta injiniya. Yanayin ajiya: kafin buɗewa, ≤30°C da ≤75% RH har zuwa shekara 1 daga ranar samarwa; bayan buɗewa, ≤30°C da ≤60% RH na awanni 168. Idan yanayin ajiya ya wuce, ana buƙatar gasa a 60±5°C na > awanni 24.

6. Jagororin Siyarwa da Haɗawa

6.1 SMT Reflow Siyarwa

Tsarin reflow marar gubar: preheat daga 150°C zuwa 200°C na daƙiƙa 60-120; tashin zuwa 217°C (TL) a max 3°C/s; ci gaba sama da 217°C na daƙiƙa 60-150; kololuwar zafin 260°C tare da lokaci sama da 260°C (tp) max daƙiƙa 10; saurin sanyaya max 6°C/s. Jimlar lokaci daga 25°C zuwa kololuwar zafin bai kamata ya wuce mintuna 8 ba. Kada a yi reflow fiye da sau biyu. Idan tazara ta wuce awanni 24 tsakanin reflows, ana buƙatar gasa.

6.2 Siyarwa da Gyara da Hannu

Siyarwa da hannu: zafin tip na ƙarfe ≤300°C, tsawon lokaci ≤ daƙiƙa 3, sau ɗaya kawai. Ya kamata a guji gyara bayan reflow; idan ya cancanta, yi amfani da ƙarfen siyarwa mai kai biyu kuma tabbatar da aikin LED.

6.3 Kariya Gabaɗaya

• Kada a ɗora LEDs akan allon da ya karkata ko kuma tanƙwara allon bayan siyarwa.
• Ka guji damuwa ta injiniya ko girgiza yayin sanyaya bayan siyarwa.
• Kada a sanyaya na'urar da sauri bayan siyarwa.
• Yi amfani da abubuwan tsaftacewa masu dacewa (isopropyl alcohol ana ba da shawara); ka guji tsaftacewa ta ultrasonic.
• Yanayin aiki ya kamata ya ƙayyade mahadin sulfur zuwa<100 ppm, bromine zuwa<900 ppm, chlorine zuwa<900 ppm, da jimlar halogens zuwa<1500 ppm don hana lalacewar LED.
• Yi amfani da matakan kariya na ESD da suka dace; LED ɗin an ƙididdige shi don 2kV HBM.

7. Bayanan Marufi da Oda

Marufi na yau da kullum: guda 4000 a kowane reel a cikin tsarin tape da reel. Akwatin waje yana ɗauke da reels da yawa (yawanci na iya bambanta). Kowane reel yana da lakabi da lambar sassa, lambar ƙayyadaddun, lambar kuri'a, lambobin bin (don tsawon raƙuman ruwa da haske), yawa, da lambar kwanan wata. Jakar hana danshi ta haɗa da fakitin busasshiyar abu da nuna danshi don saka idanu akan fallasa. Oda ya kamata ya ƙayyade haɗin bin da ake so don tsawon raƙuman ruwa da haske idan ana buƙatar ƙarancin haƙuri.

8. Shawarwarin Aikace-aikace

8.1 Amfani na Yau da kullum

Mai dacewa don alamomin hali, haskaka maɗaukaki, ƙananan nunin bayanai, da duk wani aikace-aikacen da ke buƙatar launuka biyu a cikin ƙaramin sarari. Kusurwar kallo mai faɗi ta sa ta dace da allunan da aka haskaka gefe ko kuma masu watsawa.

8.2 La'akari da Zane

• Rarraba zafi: Ganin juriyar zafi na 450°C/W, ana ba da shawarar yawan yankin jan ƙarfe na PCB da vias don kiyaye zafin junction ƙasa da 95°C. Rage ƙarfin gabanci idan zafin yanayi ya wuce 60°C.
• Ƙuntata igwiyar: Koyaushe yi amfani da resistors a jeri don hana guduwar zafi. Canjin ƙarami a cikin ƙarfin lantarki (misali, 0.1V) na iya haifar da bambancin igwiyar sosai saboda tsananin IV kwatancin.
• Kariya daga juyar ƙarfin lantarki: Tabbatar cewa da'irar motsi ba ta sanya juyar ƙarfin lantarki ba, domin yana iya lalata LED.
• Dacewa da adhesives: Ka guji adhesives da ke fitar da tururi na halitta, wanda zai iya canza launin silicone encapsulation.
• Tsaftacewa: Idan ana buƙatar tsaftacewa, isopropyl alcohol yana da lafiya; ka guji abubuwan kaushi da ke kaiwa ga marufin hari.

9. Kwatancen Fasaha tare da Kayayyakin Gasa

Idan aka kwatanta da sauran LEDs masu launuka biyu 1.6×1.6mm, RF-P1S196TS-B51 yana ba da kusurwar kallo mai faɗi sosai (140° vs 120° na yau da kullum) da ƙarancin juriyar zafi (450°C/W yana da gasa ga wannan girman marufi). Zaɓuɓɓukan bin suna ba da bins biyu na tsawon raƙuman ruwa don rawaya da 4 don rawaya-kore, suna ba abokan ciniki damar zaɓar kewayon launi mai kunkuntar. Matsayin ESD mafi girma na 2kV yana daidai ga LEDs na chip. Haɗa jagororin sarrafa sulfur da halogen a bayyane yana nuna ingantaccen injiniyan aminci. Wasu kayayyakin gasa na iya ba da bins mafi girma na haske amma sau da yawa a kan kudin kusurwar kallo mai kunkuntar ko mafi girma ƙarfin lantarki. Gabaɗaya, wannan LED yana daidaita aiki, girman, da aminci don nunin gani gabaɗaya.

10. Tambayoyin da Aka Yi Akai-akai

Tambaya: Zan iya tuka duka chips biyu a lokaci ɗaya?E, ana iya sarrafa duka chips na rawaya da rawaya-kore da kansa ko tare. Jimlar igwiyar tuki bai kamata ta wuce matsakaicin mafi girma don kowane chip ba.

Tambaya: Menene igwiyar da aka ba da shawara don mafi kyawun rayuwa?Aiki a 15-20mA yana tabbatar da kyakkyawan haske da tsawon rai. Ana buƙatar ragewa a manyan zafin yanayi.

Tambaya: Yaya zan sarrafa silicone encapsulation?Ka guji taɓa saman ruwan tabarau kai tsaye; yi amfani da ƙwanƙwasa a gefen marufi. Silicone yana da laushi kuma yana iya jawo ƙura.

Tambaya: Idan jakar hana danshi ta yi kumburi fa?Idan jakar ta kumbura, mai yiwuwa busasshiyar abu ta ƙare. Gasa LEDs a 60±5°C na > awanni 24 kafin amfani.

Tambaya: Zan iya amfani da wannan LED a aikace-aikacen waje?Kewayon zafin aiki (-40 zuwa +85°C) yana ba da izinin amfani da waje, amma ya kamata a guji fallasa kai tsaye ga UV, babban danshi, ko iskar gas mai lalata. Ana iya buƙatar suturar da ta dace.

11. Misalin Aikace-aikace Mai Amfani

Nuna Hali Biyu a cikin Thermostat na Smart Home:Thermostat mai ƙarami yana amfani da LED mai launuka biyu don nuna hali: rawaya don dumama, rawaya-kore don sanyaya. Faɗin kusurwar kallo 140° yana tabbatar da ganuwa daga ɗakin nesa. Ƙaramin sarari 1.6mm yana dacewa da wani ƙaramin firam. Thermostat ɗin yana amfani da MCU don sarrafa kowane tashoshi ta hanyar GPIO pins daban tare da resistors masu iyakance igwiyar. Don sarrafa zafi, PCB tana ɗauke da ƙaramin pad na jan ƙarfe a ƙarƙashin kowane LED tare da vias na zafi. An siyar da LED ɗin ta reflow tare da sauran abubuwan SMT ta amfani da tsarin yau da kullum. Ana sarrafa ƙwarewar danshi ta amfani da sabbin reels da ba a buɗe ba. A cikin sa'o'i 1000 na gwajin rayuwa a 20mA babu lalacewa da aka gani, yana tabbatar da aminci.

12. Ka'idar Aiki

Wannan LED mai launuka biyu yana haɗa chips biyu na LED daban: ɗaya rawaya (AlGaInP/GaP, tsawon raƙuman ruwa ~590nm) da ɗaya rawaya-kore (GaP, tsawon raƙuman ruwa ~570nm) a cikin marufi ɗaya na epoxy ko silicone. Kowane chip yana da nasa haɗin anode da cathode. Lokacin da igwiyar gabanci ta bi ta cikin chip, electrons da holes suna sake haɗuwa a cikin p-n junction, suna fitar da photons masu ƙarfi daidai da bandgap na kayan semiconductor. Hasken ana fitar da shi ta hanyar encapsulant mai bayyana. Ta hanyar sarrafa igwiyar zuwa kowane chip da kansa, ana iya samar da kowane launi, ko kuma ana iya sarrafa duka biyu a lokaci ɗaya don haifar da launi mai haɗe (misali, orange). Faɗin kusurwar haske ana samu ta hanyar encapsulant ko zanen ruwan tabarau mai watsawa.

13. Hanyoyin Ci gaba

Kasuwa don LEDs masu launuka biyu na SMD na ci gaba da haɓaka zuwa ƙananan marufi (misali, 1.0×1.0mm) da mafi girma inganci. Sabbin kayan kamar InGaN a kan silicon ana haɓaka su don kore da shuɗi, amma don rawaya da rawaya-kore, AlGaInP ya kasance mai rinjaye saboda babban inganci. Ana sa ran haɗa chips da yawa a cikin marufi ɗaya tare da ƙarin bin da ƙarancin haƙuri. Bugu da ƙari, ingantaccen aminci game da fallasa sulfur da halogen yana zama daidaitaccen, kamar yadda aka gani a cikin wannan takardar bayanai ta iyakoki a bayyane. Halin aikace-aikacen mota da masana'antu yana buƙatar kewayon zafin aiki mai faɗi da ingantaccen sarrafa zafi, wanda wannan samfurin ya magance shi da zafin junction na 95°C. Zane-zane na gaba na iya haɗa pads na zafi kai tsaye a ƙarƙashin chip don rage juriyar zafi ƙasa da 300°C/W.