LED Ja 3.5x3.5x1.9mm PLCC6 - 2.3V 150mA 0.35W - Bayanin Refond RF-A4T35-R30E-R4

1. Bayanin Samfur

RF-A4T35-R30E-R4 LED ja ne mai babban aiki wanda aka gina kan fasahar AlGaInP, an tsara shi don buƙatun haske na mota masu wuya. Yana zuwa a cikin ƙaramin PLCC6 mai girman 3.5mm x 3.5mm x 1.9mm, wanda ya dace da haɗa SMT. Muhimman abubuwa sun haɗa da kusurwar gani mai faɗi 120°, bin ka'idojin RoHS da REACH, da cancantar AEC-Q102 na semiconductors na mota. LED yana da juriyar zafi mai kyau (RthJ-S har 50°C/W) kuma yana da matakin laushi na 2. Aikace-aikace na yau da kullun sun haɗa da haske na ciki da waje na mota kamar alamun dashboard, haske na ciki, fitilun baya, da sigina.

2. Ma'aunin Fasaha

2.1 Halayen Lantarki / Haske (Ts=25°C, IF=150mA sai an bayyana wani abu)

2.2 Matsakaicin Matsakaici (Ts=25°C)

3. Tsarin Bin don Wutar Gaba, Hasken Ruwa, da Tsayin Igiyar Ruwa Mai Girma

Ana rarraba LED a cikin bins a yanayin gwajin IF=150mA. Teburan da ke gaba suna nuna kewayon kowane siffa.

3.1 Bins na Wutar Gaba (VF)

3.2 Bins na Hasken Ruwa (Φ)

3.3 Bins na Tsayin Igiyar Ruwa Mai Girma (Wd)

4. Binciken Hotunan Aiki

Ana nuna halayen haske na yau da kullun a cikin hotuna da yawa bisa ga zafin tafasa na 25°C sai an bayyana wani abu.

• Wutar Gaba vs. Wutar Gaba (Hoto 1-7):Wutar gaba tana ƙaruwa da wutar. A 150mA VF na yau da kullun shine 2.3V. Hoton yana nuna alaƙar kusa da madaidaici daga 1.9V zuwa 2.6V na wutar har zuwa 300mA.
• Wutar Gaba vs. Ƙarfin Dangantaka (Hoto 1-8):Ƙarfin dangantaka yana ƙaruwa da wutar gaba, yana kaiwa ~100% a 150mA da ~115% a 200mA. Yana ɗan rage a manyan wuta saboda tasirin zafi.
• Zafin Tafasa vs. Ƙarfin Dangantaka (Hoto 1-9):Ƙarfin dangantaka yana raguwa yayin da zafin tafasa yake ƙaruwa. A 100°C, ƙarfin yana faɗi zuwa kusan 85% na ƙimar 25°C.
• Zafin Tafasa vs. Mafi Girma Wutar Gaba (Hoto 1-10):Don kiyaye zafin haɗa ƙasa da 125°C, dole ne a rage mafi girman wutar gaba yayin da zafi yake ƙaruwa. A 25°C mafi girman shine 180mA, amma a 100°C yana raguwa zuwa kusan 90mA.
• Wutar Gaba vs. Zafin Tafasa (Hoto 1-11):VF yana raguwa a madaidaici da zafi a ƙimar kusan -2 mV/°C.
• Hoton Radiation (Hoto 1-12):LED yana da tsarin radiation kamar Lambertian tare da rabin kusurwa mai faɗi 120°, yana tabbatar da rarraba haske daidai.
• Wutar Gaba vs. Tsayin Igiyar Ruwa Mai Girma (Hoto 1-13):Tsayin igiyar ruwa mai girma yana canzawa kaɗan (~1nm) a kan kewayon wuta daga 0 zuwa 300mA, yana tsayawa a cikin yankin ja 627-635nm.
• Rarraba Spectrum (Hoto 1-14):Ƙarfin haske yana kewaye da 630nm tare da kunkuntar FWHM, halayyar AlGaInP LED ja.

5. Girman Fakiti da Bayanin Injiniya

LED yana cikin fakiti PLCC6 mai girman 3.50mm × 3.50mm × 1.90mm (L×W×H). Duk haƙuri ±0.05mm ne sai an bayyana wani abu. Fakiti ya haɗa da alamar polarity don jagora. Bayanan tef ɗin (Hoto 2-1) da reel (Hoto 2-2) suna tabbatar da daidaito da kayan aikin SMT na yau da kullun. Abun kayan shine silicone encapsulant, yana bayar da haske mai kyau da kwanciyar hankali na zafi.

6. Umarnin SMT Reflow Soldering

Bi tsarin reflow mai zuwa (JESD22-B106) tare da mafi girman zafin 260°C na mafi yawan lokaci 10 seconds. Preheat daga 150°C zuwa 200°C a kan 60-120 seconds. Ƙaruwa ≤3°C/s, sanyaya ≤6°C/s. Kada a wuce zagayowar reflow biyu. Solder da hannu ya kamata a yi ƙasa da 300°C na ƙasa da 3 seconds a kowane pad. Guji damuwa na injiniya yayin sanyaya. Duba Hoto 3-1 da Tebur 3-1 don cikakkun bayanai.

7. Bayanin Tattarawa da Oda

Tattarawa na yau da kullun: 4,000 pieces a kowace reel a cikin tef ɗin mai faɗi 12mm. Jakar hana danshi (MBB) tare da desiccant da katin mai nuna danshi. Akwatin kwali na waje kamar Hoto 2-5. Labels sun haɗa da lambar sashi, lambar spec, lambar lot, lambar bin, haske mai haske, bin chromaticity, wutar gaba, tsayin igiyar ruwa, yawa, da kwanan wata. Samfur yana da matakin laushi na 2, yana buƙatar gasa idan yanayin ajiyewa ya wuce.

8. Abubuwan Gwajin Dogaro da Ma'auni

LED ya ci jarabawar dogaro bisa ga jagororin AEC-Q102. Muhimmai gwaje-gwaje sun haɗa da:

• Reflow (JESD22-B106):260°C kololuwa, sau 2 – 0/1 gazawa.
• Hankalin Danshi (JESD22-A113):MSL2, 168h a 85°C/60%RH – 0/1 gazawa.
• Girgizar Zafi (JEITA ED-4701):-40°C zuwa 125°C, 15min zama, 1000 cycles – 0/1 gazawa.
• Gwajin Rayuwa (JESD22-A108):105°C, IF=150mA, 1000h – 0/1 gazawa.
• Gwajin Rayuwa Mai Zafi da Danshi (JESD22-A101):85°C/85%RH, IF=150mA, 1000h – 0/1 gazawa.

Ma'auni don yanke hukunci: Canjin wutar gaba ≤ U.S.L × 1.1, wutar baya ≤ U.S.L × 2.0, haske mai haske ≥ L.S.L × 0.7.

9. Kariya da Ajiyewa

Saboda silicone mai laushi, guji matsi na injiniya a saman sama. Riƙe ta gefen gefe ta amfani da tweezers. Yanayin ajiyewa: kafin buɗe jakar aluminum, ajiye a ≤30°C/≤75%RH na ≤ shekara 1; bayan buɗe, yi amfani a cikin sa'o'i 24 a ≤30°C/≤60%RH. Idan ya wuce, gasa a 60±5°C na ≥24h. LED yana da hankalin ESD (HBM 2kV), don haka ana buƙatar kariya mai dacewa. Guji kayan da ke dauke da sulfur, bromine, chlorine sama da 100PPM (sulfur) ko 900PPM kowanne (Br/Cl). Yi amfani da isopropyl alcohol don tsabtacewa; ba a ba da shawarar ultrasonic tsabtacewa ba.

10. Shawarwari na Aikace-aikace

Wannan LED an inganta shi don haske na mota duka ciki (alamun dashboard, haske na yanayi) da waje (fitilun baya, fitilun birki, sigina). Tsarin sarrafa zafi mai kyau yana da mahimmanci don kiyaye zafin haɗa ƙasa da 125°C. Yi amfani da resistors iyakance wuta don hana wuta mai yawa saboda bambancin VF. Kusurwar gani mai faɗi (120°) yana ba da damar rarraba haske daidai a aikace-aikacen backlight. Ana iya tuka LED tare da sigina PWM; tabbatar da wutar gaba kawai a yanayin ON don guje wa baya.

11. Kwatanta Fasaha da Na'urori Masu Gasa

Idan aka kwatanta da LED ja na gargajiya (misali AlGaAs), fasahar AlGaInP tana ba da ingantaccen haske mafi girma a wannan wutar, kwanciyar hankali na zafi mafi kyau, da tsawon rayuwa. Fakiti PLCC6 yana ba da ƙaramin tsari wanda ya dace da ƙirar bakin ciki, yayin da yake kiyaye kyakkyawan zubar da zafi ta hanyar thermal pad. Cancantar AEC-Q102 ya bambanta wannan na'urar don aikace-aikacen mota inda dogaro a ƙarƙashin yanayi masu wuya yake da mahimmanci. Yawancin LED ja masu gasa a cikin fakiti iri ɗaya ba su da irin wannan cancantar mota mai tsauri.

12. Tambayoyi Masu Yawan Yi

T: Menene wutar gaba ta yau da kullun a 150mA?A: 2.3V (kewayon 2.0-2.6V).

T: Zan iya tuka wannan LED a 300mA?A: An ba da izinin wutar gaba mafi girma har zuwa 300mA kawai tare da zagayowar aiki 1/10 da faɗin bugun 10ms; wutar ci gaba bai kamata ya wuce 180mA ba.

T: Menene tsarin solder da aka ba da shawara?A: Bi ma'aunin JEDEC tare da kololuwa 260°C na max 10s, preheat 150-200°C na 60-120s.

T: Shin wannan LED ya dace da amfani a waje?A: Ee, kewayon zafin aiki -40°C zuwa +110°C da cancantar AEC-Q102 sun sa ya dace da haske na waje na mota.

T: Yaya ake tsabtace LED bayan solder?A: Yi amfani da isopropyl alcohol; guji ultrasonic tsabtacewa saboda yana iya lalata lens ɗin silicone.

13. Misalan Aikace-aikace Aiki

A cikin ƙirar haske na yanayi na ciki, tsiri na LED 20 da aka tuka a 150mA kowanne (jimlar 3A) na iya haskaka dakin mota daidai saboda kusurwar gani 120°. Don aikace-aikacen fitilar baya, matrix na LED 6 a jere (tare da daidaita resistor mai dacewa) yana ba da haske mai isa (>90 lm) don bin ka'idojin FMVSS 108. Kewayon zafin aiki mai faɗi na na'urar yana tabbatar da aiki mai dogaro a duka farawa sanyi (-40°C) da wuraren injin zafi (+110°C).

14. Ka'idar Aiki na AlGaInP LEDs

LED ja yana amfani da AlGaInP (Aluminum Gallium Indium Phosphide) multi-quantum well mai aiki wanda aka gina akan GaAs substrate. Ƙarƙashin gaba, electrons da holes suna haɗuwa da haske a yankin aiki, suna fitar da photons tare da tsayin igiyar ruwa kewaye da 630nm. Tsarin kayan AlGaInP yana ba da babban ingancin haske na ciki da kyakkyawan aikin zafi. Fakiti PLCC6 ya haɗa da ɗakin haske don haɓaka fitar da haske da lens ɗin silicone don faɗin kusurwar haske.

15. Hanyoyin Ci Gaba a Haske na Mota LED

Haske na mota yana ci gaba zuwa mafi inganci, ƙarami fakiti, da kuma mafi aiki. Hanyoyin da ke fitowa sun haɗa da fitilun mota na matrix tare da sarrafa kowane pixel, fitilun tuki masu daidaitawa, da haske na yanayi mai haɗewa tare da launuka masu daidaitawa. LED ja kamar wannan na'urar za su kasance mahimmanci don ayyukan sigina na baya. Ci gaba a nan gaba na iya haɗawa da mafi girma haske kowace chip (misali >20lm a wannan wutar) da ingantaccen sarrafa zafi don rage ragewa. Yunkurin zuwa cancantar mota (AEC-Q102) yana zama ma'auni, yana ba masu ƙira tabbaci a dogaro na dogon lokaci.