Takardar Bayani Game da LED RF-A4E27-R22H-S4 - Ja 2.75x2.0x0.6mm - 1.8-2.4V - 1200mW - Matsayin Mota

1. Duba Samfurin Gabaɗaya

LED RF-A4E27-R22H-S4 wani LED ja ne mai inganci wanda aka ƙera don hasken mota na ciki da waje. Yana amfani da fasahar semiconductor AlGaInP (Aluminum Gallium Indium Phosphide) don samar da haske ja mai inganci tare da tsayin igiyar ruwa daga 617.5nm zuwa 627.5nm. An saka na'urar a cikin kunshin EMC (Epoxy Molding Compound) mai ƙarami wanda ya auna 2.75mm x 2.0mm x 0.6mm, yana ba da damar ƙira mai sirara da sauƙi. Abubuwan da ke ciki sun haɗa da kusurwar gani mai faɗi sosai (digiri 120), jituwa da tsarin haɗa SMT na yau da kullun, da kuma yarda da gwajin matsin lamba na AEC-Q102 don semiconductor mai darajar mota. LED ɗin kuma ya dace da RoHS kuma yana da matakin hankali na danshi na 2 (MSL2), yana sa ya dace da aikace-aikace masu aminci.

1.1 Abubuwan da Ke ciki

• Kunshin EMC don aikin injiniya da zafi mai ƙarfi.
• Kusurwar gani mai faɗi sosai na 120° don rarraba haske daidai.
• Ya dace da duk tsarin haɗa SMT da tafiyar tafiya.
• Ana samun shi a kan tef da reel (4000pcs/reel).
• Matsayin hankali na danshi: Mataki na 2 (bisa ga JEDEC).
• Ya dace da RoHS kuma ya cika cancantar AEC-Q102.

1.2 Aikace-aikace

• Hasken mota na ciki (misali, fitilar kumfa, haske na yanayi).
• Hasken mota na waje (misali, fitilar wutsiya, fitilar birki, sigina).
• Sauran haske na gabaɗaya inda ake buƙatar aminci mai girma da kusurwar gani mai faɗi.

2. Ƙayyadaddun Fasaha

2.1 Halayen Lantarki da Haske (a Ts=25°C, IF=350mA)

Ana auna wutar gaba a 350mA tare da haƙuri na ±0.1V. Ba a tsara na'urar don aiki da baya ba. Haƙurin haske na ±10%. Haƙurin tsayin igiyar ruwa mai girma shine ±0.005 (don alamar haɗin chromaticity). Duk auna ana yin su a ƙarƙashin yanayin gwajin daidaitaccen Refond.

2.2 Matsayi Mafi Girma

Yana da mahimmanci kada a taɓa wuce waɗannan iyakoki. Ya kamata a rage wutar gaba bisa ga zazzabin tafiya don kiyaye zazzabin haɗuwa ƙasa da 125°C. Na'urar tana iya jure 8000V ESD (HBM) tare da adadin amfani sama da 90%; duk da haka, dole ne a ɗauki matakan kariya na ESD yayin mu'amala.

2.3 Yankunan Bin (a IF=350mA)

Ana aika samfurin a cikin bins da aka ƙayyade don wutar gaba, haske, da tsayin igiyar ruwa mai girma don tabbatar da daidaito tsakanin samar da kayayyaki.

• Bins na Wutar Gaba: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).
• Bins na Hasken Haske:NA (37-40.9 lm), NB (40.9-45.3 lm), OA (45.3-50 lm), OB (50-55.3 lm).
• Bins na Tsayin Igiyar Ruwa Mai Girma:D2 (617.5-620nm), E1 (620-622.5nm), E2 (622.5-625nm), F1 (625-627.5nm).

2.4 Hotunan Halayen Haske Na Yau da Kullum

Hotunan da ke gaba suna ba da haske game da aikin LED a ƙarƙashin yanayi daban-daban:

2.4.1 Wutar Gaba vs. Wutar Gaba

Wutar gaba tana ƙaruwa tare da wutar kamar yadda diode na yau da kullum yake. A 350mA, VF yana kusan 2.0-2.1V. Hoton yana nuna hauhawa madaidaici daga 1.8V zuwa 2.4V a cikin kewayon wutar.

2.4.2 Wutar Gaba vs. Ƙarfin Haske

Ƙarfin haske mai alaƙa yana tashi tare da wutar gaba. A 350mA, ƙarfin yana kusan 100%. Ba a ba da shawarar ƙara wutar sama da 500mA ba saboda ƙuntatawa na zafi.

2.4.3 Zazzabin Tafiya vs. Ƙarfin Haske

Zazzabin tafiya mafi girma yana rage fitar da haske. Misali, a 105°C, ƙarfin haske yana raguwa zuwa kusan 60% na ƙimar a 25°C.

2.4.4 Tsarin Haskarwa

LED ɗin yana da tsarin haskarwa mai faɗi kamar lambertian tare da rabin kusurwa na 120°, yana ba da haske daidai a fadin yanki mai faɗi.

2.4.5 Rarraba Bakan

Mafi girman fitarwa yana cikin yankin ja a kusa da 620-630nm, tare da faɗin bakan mai ƙuntata wanda ya dace da na'urorin AlGaInP.

3. Bayani na Injiniya

3.1 Girman Kunshin

Kunshin LED yana auna 2.75mm (tsawo) × 2.00mm (faɗi) × 0.60mm (tsayi). Kallon sama yana nuna yankin fitar da haske na 1.57mm × 2.00mm. Kallon ƙasa yana nuna pads na cathode da anode guda biyu masu girman 0.48mm × 1.60mm da 0.54mm × 1.25mm, daidai da alamomin polarity. Duk girman suna da haƙuri na ±0.2mm sai dai idan an lura.

3.2 Tsarin Tafiya Mai Shawarta

Don tabbatar da zubar da zafi da ƙarfin injiniya, ana ba da shawarar tsarin ƙasa na PCB na musamman. Tsarin ya ƙunshi pads rectangular guda biyu tare da nisa na 1.70mm da pads na zafi na ƙari. Girman pads sune 0.70mm × 1.10mm da 0.72mm × 0.55mm.

3.3 Gano Polarity

An yi alamar anode da cathode a kan kunshin. Kallon ƙasa yana nuna alamar polarity bayyananne. Dole ne a kula don daidaita LED daidai yayin haɗawa.

4. Bayani na Marufi

4.1 Ƙayyadaddun Marufi

Ana ba da LED ɗin a cikin marufi na tef da reel tare da guda 4000 a kowane reel. Tef ɗin yana da nisa na yau da kullum na 4.0mm, kuma diamita na reel shine 180mm tare da diamita na cibiya na 60mm. Kowane reel an rufe shi a cikin jakar hana danshi tare da bushewa da katin alamar danshi.

4.2 Bayanin Lakabin

Lakabin ya ƙunshi lambar sashi (RF-A4E27-R22H-S4), lambar ƙayyadaddun, lambar lot, lambar bin, bin haske, bin chromaticity, bin wutar gaba, lambar tsayin igiyar ruwa, adadi, da lambar kwanan wata.

4.3 Yanayin Ajiyewa

Kafin buɗe jakar hana danshi, ya kamata a adana LED ɗin a ≤30°C da ≤75% RH har na tsawon shekara 1 daga ranar kera. Bayan buɗewa, ya kamata a yi amfani da LED ɗin a cikin sa'o'i 24 a ƙarƙashin ≤30°C da ≤60% RH. Idan ajiye ya wuce sa'o'i 24, ana buƙatar gasa a 60±5°C na ≥24 sa'o'i kafin amfani.

5. Jagororin Tafiya

5.1 Bayanin Tafiya na Reflow

Ana ba da izinin sake zagayowar reflow sau biyu kawai. Tsarin da aka ba da shawara ya haɗa da: ƙimar hauhawa ≤3°C/s, preheat 150-200°C na 60-120s, lokaci sama da 217°C ≤60s, mafi girman zazzabi 260°C tare da iyakar tsawon lokaci na 10s, da ƙimar sanyaya ≤6°C/s. Jimlar lokaci daga 25°C zuwa mafi girma bai kamata ya wuce mintuna 8 ba.

5.2 Tafiya da Hannu

Idan tafiya da hannu ya zama dole, yi amfani da ƙarfen tafiya tare da zazzabin tip ≤300°C na ƙasa da daƙiƙa 3, kuma yi sau ɗaya kawai.

5.3 Tsaro

• Kada a yi amfani da matsin lamba na injiniya a kan lens silicone yayin ko bayan tafiya.
• Ka guji karkatar da PCB kafin ko bayan tafiya.
• Kada a yi amfani da sanyaya da sauri bayan reflow.
• Yi amfani da nozzles ɗin ɗauka da sanyawa masu dacewa don guje wa lalacewar fuskar silicone mai laushi.

6. La'akari da Aikace-aikace da Tsari

6.1 Gudanar da Zafi

Tunda aikin LED yana raguwa tare da zazzabin haɗuwa mai girma, zubar da zafi mai kyau yana da mahimmanci. Juriya na zafi daga haɗuwa zuwa wurin tafiya shine 20K/W. Masu tsara ya kamata su tabbatar da cewa zazzabin tafiya bai wuce layin rage darajar ba don kiyaye Tj ƙasa da 125°C.

6.2 Kariyar ESD

Ko da yake LED ɗin yana iya jure 8000V HBM, kariyar ESD yayin mu'amala da haɗawa dole ne. Yi amfani da tashoshin aiki masu ƙasa, tabarma masu gudanarwa, da madaurin hannu.

6.3 Jituwa da Kemikal

Ka guje wa fallasa ga sinadarai masu ɗauke da sulfur (≤100ppm), bromine (≤900ppm), chlorine (≤900ppm), da jimlar halogens (≤1500ppm). VOCs daga kayan da ke kewaye na iya haifar da canza launin silicone da asarar haske. Ana ba da shawarar barasa isopropyl don tsaftacewa idan ana buƙata.

6.4 Tsarin Kewayawa

Koyaushe haɗa da resistor mai iyakance wutar don hana wutar da yawa. Wutar gaba ta bambanta a cikin bins; tabbatar an zaɓi darajar resistor daidai. Ba a tsara LED ɗin don juyawa baya ba.

7. Tabbataccen Aiki da Tabbacin Inganci

7.1 Abubuwan Gwajin Aiki

7.2 Matsayin Rashin Nasara

Bayan gwaji, ana la'akari da LED ɗin ya gaza idan wutar gaba ta wuce sau 1.1 na iyakar ƙayyadaddun ƙarshe (U.S.L), wutar baya ta wuce sau 2.0 na U.S.L, ko haske ya faɗi ƙasa da sau 0.7 na iyakar ƙayyadaddun ƙarami (L.S.L). Ana bayyana ƙimar U.S.L da L.S.L bisa ga ƙayyadaddun samfur.

8. Ka'ida da Ci Gaban Fasaha

8.1 Ka'idar Aiki

Wannan LED ja ya dogara ne akan tsarin hetero na AlGaInP da aka girma a kan wani substrate. Idan aka yi amfani da wutar gaba, electrons da holes suna haɗuwa a cikin yankin aiki, suna fitar da photons a cikin bakan ja. Tsayin igiyar ruwa mafi girma an ƙaddara shi ta hanyar abun da ke cikin yaduddukan semiconductor. Kunshin EMC yana ba da kariya da canja wurin zafi mai inganci.

8.2 Hanyoyin Ci Gaba

Hasken mota yana canzawa zuwa mafi inganci, ƙananan siffofi, da mafi aminci. LEDs kamar RF-A4E27-R22H-S4 tare da cancantar AEC-Q102 sun dace da buƙatun ƙaƙƙarfan yanayin mota. Hanyoyin gaba sun haɗa da ƙara rage girman, mafi girma fitar da lumen a kowace watt, da ingantaccen aikin zafi ta hanyar fasahar marufi na ci gaba.