Babban Ƙarfin Wuta LED Fari 3.0x3.0x0.55mm - Gaban Wutar Lantarki 5.8-7.2V - Ƙarfin Wuta 2.16W - Takardar Bayanin Fasaha ta Hausa

1. Bayanin Samfurin Gabaɗaya

Wannan LED mai ƙarfin wuta fari an yi shi ta amfani da ƙwayar shuɗi tare da phosphor don samar da haske fari. Na'urar tana cikin kayan EMC (Epoxy Molding Compound) mai girman 3.0 mm × 3.0 mm × 0.55 mm, yana ba da mafita mai ƙarfi da tsauri don aikace-aikacen haske masu buƙata. Abubuwan da suka fi dacewa sun haɗa da kusurwar gani mai faɗi sosai na 120°, dacewa da duk hanyoyin haɗuwa na SMT da tallace-tallace, da kuma samuwa a kan tef da reel don ɗauka da sanyawa ta atomatik. LED ɗin ya bi ka'idodin RoHS kuma yana da matakin laushi na 3. Aikace-aikacen da aka saba amfani da su sun haɗa da hasken baya don LCD, TV ko monitor; hasken maɓalli da alamomi; alamomin gani; nunin cikin gida; aikace-aikacen haske na bututu; da amfani gabaɗaya. Tare da gaban wutar lantarki daga 5.8 V zuwa 7.2 V a 300 mA da kuma haske mai girma na 140 lm zuwa 220 lm, wannan LED yana ba da haske mai ƙarfi yayin da yake kiyaye aiki mai dogaro.

2. Binciken Fasaha mai zurfi

2.1 Halayen Lantarki / Haske (a Ts=25°C)

Tebur mai zuwa ya taƙaita mahimman halayen lantarki da haske waɗanda aka auna a zafin tallace-tallace na 25°C da kuma halin yanzu na gaba na 300 mA:

• Gaban Wutar Lantarki (VF):Mafi ƙanƙanta 5.8 V, Matsakaici 6.0 V (daga hoto), Mafi girma 7.2 V.
• Matsakaicin Halin yanzu (IR):Mafi girma 10 µA a VR=10 V.
• Hasken Haske (Φ):Mafi ƙanƙanta 140 lm, Matsakaici 180 lm, Mafi girma 220 lm.
• Kusurwar Gani (2θ1/2):Matsakaici 120°.
• Juriya na Zafin (RTHJ-S):Matsakaici 12 °C/W.

Matsakaicin ƙimar ƙarfi: Rage wutar lantarki 2160 mW, halin yanzu na gaba 300 mA, kololuwar halin yanzu na gaba 450 mA (1/10 duty cycle, 0.1 ms pulse width), matsa lamba na baya 10 V, ESD (HBM) 2000 V, zafin aiki -40°C zuwa +85°C, zafin ajiya -40°C zuwa +100°C, zafin haɗuwa 115°C.

2.2 Kundin Gaban Wutar Lantarki da Hasken Haske

A IF=300 mA, gaban wutar lantarki an raba shi zuwa kundin daga 5.8-6.0 V (kundi TB) zuwa 7.0-7.2 V (kundi TN). Hasken haske an raba shi daga 140-145 lm (kundi T140) zuwa 240-245 lm (kundi T240). Lambar kundi ta ainihi haɗin kundi na wutar lantarki da haske ne, yana ba abokan ciniki damar zaɓar na'urori masu takamaiman halaye. Hoton C.I.E. chromaticity yana ba da kundin launi da yawa (D00, D01, ..., H00, H01, ..., K00, K01, ..., T00, T01, ...) don samun daidaitaccen daidaiton launin fari. Kowane kundi yana da daidaitaccen CIE-x da CIE-y haɗin gwiwa kamar yadda aka jera a Tebur 1-4, yana tabbatar da sarrafa launi mai ƙarfi.

3. Binciken Lage na Aiki

3.1 Gaban Wutar Lantarki vs. Halin yanzu na Gaba

Gaban wutar lantarki yana ƙaruwa tare da halin yanzu na gaba. A 5.5 V halin yanzu ya kusa da sifili; a 7 V halin yanzu ya kai kusan 300 mA. Wannan dangantaka ta zama al'ada ga LEDs masu ƙarfin wuta kuma tana nuna buƙatar daidaita halin yanzu maimakon tuki na wutar lantarki.

3.2 Halin yanzu na Gaba vs. Ƙarfin Dangantaka

Ƙarfin dangantaka yana ƙaruwa a layi tare da halin yanzu na gaba daga 0 zuwa 300 mA, yana kaiwa kusan 100% a 300 mA. Wannan yana nuna inganci mai kyau da fitowar da ake iya tsammani.

3.3 Zafin Tallace-tallace vs. Ƙarfin Dangantaka

Yayin da zafin tallace-tallace ya tashi daga 25°C zuwa 115°C, ƙarfin dangantaka yana raguwa kaɗan zuwa kusan 85%. Masu tsarawa dole ne su yi la'akari da rage zafin don kiyaye fitowar haske.

3.4 Zafin Tallace-tallace vs. Halin yanzu na Gaba

Matsakaicin halin yanzu na gaba da aka yarda yana raguwa tare da ƙaruwar zafin tallace-tallace don hana zafi fiye da kima. A Ts=25°C matsakaicin halin yanzu shine 300 mA; a 85°C ya ragu zuwa kusan 200 mA. Wannan rage zafin yana da mahimmanci don aiki mai dogaro.

3.5 Gaban Wutar Lantarki vs. Zafin Tallace-tallace

Gaban wutar lantarki yana raguwa kaɗan yayin da zafin ya tashi (kusan -2 mV/°C). Daga 20°C zuwa 120°C, VF ya ragu daga kusan 6.20 V zuwa 6.02 V.

3.6 Hoton Radiation

LED ɗin yana da kusurwar gani mai faɗi na 120°. Ƙarfin haske na dangantaka yana kasancewa sama da 50% daga -60° zuwa +60° kuma ya ragu zuwa kusa da sifili a ±90°. Wannan ya sa na'urar ta dace da aikace-aikacen da ke buƙatar haske mai faɗi.

3.7 Haɗin Chromaticity vs. Zafin Tallace-tallace

Haɗin CIE x da y suna canzawa kaɗan tare da zafi. Yayin da zafin ya tashi daga 25°C zuwa 85°C, farin maki yana motsawa kaɗan zuwa ƙimar x da y mafi girma (launi mai zafi). Wannan canji ya kamata a yi la'akari da shi a cikin tsarin da ke buƙatar daidaiton launi.

3.8 Rarraba Spectrum

Ƙarfin haske na dangantaka yana kaiwa kololuwa kusa da 450 nm (shuɗi) da 560 nm (phosphor rawaya-kore), tare da faffadan spectrum wanda ya rufe 400-700 nm. Hasken fari an ƙirƙira shi ta hanyar haɗin fitarwa na shuɗi chip da rawaya phosphor.

4. Bayanin Makanikai da Marufi

4.1 Girman Marufi

Marufin yana auna 3.00 mm × 3.00 mm tare da tsayi kusan 0.55 mm. Duban sama yana nuna filaye biyu na tuntuɓa (anode da cathode) masu girman 1.45 mm × 0.46 mm kowanne. Duban ƙasa yana nuna filaye iri ɗaya tare da alamomi na ƙari. Ana nuna polarity ta wani ƙarfe ko alama a kan marufin (duba Fig. 1-4). Tsarin tallace-tallace yana ba da shawarar amfani da filaye na 2.26 mm × 0.69 mm tare da tazarar 0.46 mm tsakanin su don ingantaccen haɗin tallace-tallace. Duk girman suna da haƙuri na ±0.2 mm sai dai in an bayyana wani.

4.2 Tef da Reel na Jigilar Kaya

LEDs ɗin an shirya su a cikin tef ɗin jigilar kaya tare da pich P1=4.0 mm da P2=2.0 mm. Nisan tef ɗin shine 8.0 mm tare da aljihunan girma A0=3.2±0.1 mm, B0=3.3±0.1 mm, da K0=1.4±0.1 mm. Reel ɗin yana da diamita na waje na 178 mm, diamita na ciki na 59 mm, da nisa na 16.9 mm. Kowanne reel yana ƙunshe da guda 5000.

4.3 Lakabi da Kariyar Danshi

Lakabin ya haɗa da lambar sashe, lambar spec, lambar lot, lambobin kundi don haske (Φ), chromaticity (XY), gaban wutar lantarki (VF), tsawon igiyoyi (WLD), adadi (QTY), da kwanan wata (DATE). Marufin an rufe shi a cikin jakar kariyar danshi tare da bushewa, kuma an haɗa alamar gargadi ta ESD.

5. Jagororin Tallace-tallace da Haɗuwa

5.1 Bayanin Tallace-tallace na Reflow

Ana ba da shawarar yin amfani da ingantaccen bayanin tallace-tallace na reflow: preheat daga 150°C zuwa 200°C na ishara 60-120, tashi da matsakaicin 3°C/s zuwa kololuwar zafin 260°C (matsakaicin daƙiƙa 10 sama da 255°C), da sanyaya da matsakaicin 6°C/s. Jimlar lokaci daga 25°C zuwa kololuwa bai kamata ya wuce mintuna 8 ba. Bai kamata a yi tallace-tallace na reflow fiye da sau biyu ba.

5.2 Tallace-tallace da Gyara da hannu

Tallace-tallace da hannu ya kamata a yi shi a zafin ƙarfe kasa da 300°C na kasa da daƙiƙa 3, kuma sau ɗaya kawai. Ba a ba da shawarar gyara ba; idan ba makawa, yi amfani da ƙarfe na tallace-tallace mai kai biyu kuma tabbatar da lafiyar LED ɗin tukuna.

5.3 Gargaɗi

Rufin silicone yana da laushi; guji matsin lamba mai yawa a saman saman. Kada a sanya LEDs a wuraren da PCB ya karkata. Bayan tallace-tallace, kada a yi amfani da damuwa na mabudi ko sanyaya da sauri.

6. Bayanin Marufi da Oda

Marufin daidaitaccen shine 5000 pcs kowanne reel. Girman akwatin kwali da tsarin marufi an nuna su a cikin bayanin samfurin. Tsarin lakabi ya haɗa da duk lambobin gano hanya masu mahimmanci. Ana jigilar samfurin a cikin tsarin marufi mai kare danshi tare da jakar kariyar danshi da kariyar ESD.

7. Shawarwarin Aikace-aikace

Aikace-aikacen da aka saba amfani da su sun haɗa da hasken baya na LCD, nunin cikin gida, hasken bututu, da haske gabaɗaya. Don ingantaccen aiki, yi amfani da direban halin yanzu na dindindin don kiyaye halin yanzu na gaba a 300 mA. Yi la'akari da sarrafa zafin ta hanyar haɗa LED ɗin zuwa PCB mai ƙarfe (MCPCB) tare da kyakkyawan ɗaukar zafi. Zafin haɗuwa bai kamata ya wuce 115°C ba. A cikin tsarin da'ira, haɗa resistors na jerin don daidaita halin yanzu a cikin igiyoyin daidaitattun. Guji fallasa LED ɗin ga mahalli mai yawan sulfur (>100 ppm) ko mahallin halogen (>900 ppm kowanne don Br da Cl). Yi amfani da isopropyl alcohol don tsaftacewa idan an buƙata; ba a ba da shawarar tsaftacewa da ultrasonic ba.

8. Kwatancen Fasaha

Idan aka kwatanta da daidaitattun 2835 ko 3030 farin LEDs, wannan na'urar tana ba da gaban wutar lantarki mafi girma (5.8-7.2V vs. yawanci 3V) yana nuna na'urorin da yawa a jere, yana ba da damar yawan ƙarfin wuta mafi girma. Kusurwar gani 120° ta fi na yawancin LEDs masu ƙarfin wuta (sau da yawa 110°). Marufin EMC yana ba da juriya mafi kyau ga danshi da kwanciyar hankali na zafin jiki fiye da marufin PPA na gargajiya. Ingantaccen haske na ~60-80 lm/W a 300mA yana da gasa ga farin LEDs masu ƙarfin wuta. Ƙarƙashin kundi a cikin chromaticity (kundin D, H, K, T da yawa) yana tabbatar da daidaiton launi a cikin kayan samarwa.

9. Tambayoyin da Aka Yi Yawa

Tambaya: Menene halin yanzu na gaba da aka ba da shawara? Amsa: Matsakaicin ƙima shine 300 mA DC; don mafi kyawun inganci da tsawon rayuwa, yi aiki a 280-300 mA tare da kyakkyawan ɗaukar zafi.

Tambaya: Za a iya tuka wannan LED da halin yanzu mafi girma? Amsa: Kololuwar halin yanzu har zuwa 450 mA a 1/10 duty cycle, 0.1ms pulse width, amma matsakaicin halin yanzu bai kamata ya wuce 300 mA ba.

Tambaya: Yaya zafi yake shafar launi? Amsa: Chromaticity yana canzawa kaɗan (x,y yana ƙaruwa) yayin da zafin ya tashi; don aikace-aikacen da ke buƙatar daidaiton launi, yi la'akari da sanyaya mai aiki ko martani.

Tambaya: Menene yanayin ajiya? Amsa: Kafin buɗe jakar kariyar danshi, ajiye a<30°C /<75% RH har zuwa shekara 1. Bayan buɗewa, yi amfani da shi a cikin sa'o'i 24 a<30°C /<60% RH. Idan ya wuce, gasa a 65±5°C na awanni 24.

Tambaya: Wane ruwan tsaftacewa ne lafiya? Amsa: Isopropyl alcohol ana ba da shawara; guji ruwan tsaftacewa wanda zai iya narkar da silicone ko marufin.

10. Misalan Aikace-aikace na Aiki

A cikin na'urar hasken baya don kwamfutar hannu LCD 10-inch, ta amfani da 12 daga cikin waɗannan LEDs a jere tare da direban halin yanzu na dindindin a 300 mA yana ba da jimillar haske kusan 2000 lm, wanda ya isa don nuni mai haske. Kusurwar gani mai faɗi yana tabbatar da haske mai daidaito a fadin kwamfutar. A cikin fitilun canza bututu, LEDs 24 a kan PCB mai layi tare da mai ɗaukar zafi da ya dace na iya maye gurbin bututun fluorescent 20W, yana ba da lumens 3500+ tare da ingantaccen makamashi da tsawon rai. Don alamun cikin gida, tsararru tare da tazarar da ta dace da ruwan tabarau suna kaiwa haske mai girma tare da ƙarancin inuwa.

11. Ƙa'idar Aiki

Wannan farin LED yana amfani da chip InGaN (Indium Gallium Nitride) shuɗi wanda ke fitarwa a kusan 450 nm. Chip ɗin an rufe shi da Layer phosphor (yawanci YAG:Ce ko makamancinsa) wanda ke shanye haske shuɗi kuma ya sake fitarwa a cikin faffadan spectrum rawaya-kore. Haɗin haske shuɗi da aka watsa da haske rawaya da aka canza daga phosphor yana samar da haske fari. Ana iya daidaita haɗin CIE ta hanyar canza yadda aka yi phosphor da taro. LED ɗin an rufe shi da silicone don kare chip da phosphor da kuma samar da haɗin gani.

12. Hanyoyin Ci gaba

Hanyar ci gaba a cikin farin LEDs masu ƙarfin wuta shine zuwa mafi girman ingancin haske (>150 lm/W a matakin chip), ingantaccen haɓaka launi (CRI>90), da ƙaramin marufi don ƙira masu ƙarfi. Marufin EMC suna maye gurbin PPA saboda kyakkyawan kwanciyar hankali na zafi da dogaro. Sabbin fasahohin phosphor, kamar phosphor nitride da fluoride, suna ba da damar faffadan gamut na launi da kuma babban CRI. Haɗin chips da yawa a jere (kamar yadda aka gani a wannan aji na 6V) yana ba da damar tuki mai ƙarfin wutar lantarki don rage halin yanzu da hasarar I²R. Ci gaban gaba ya haɗa da marufi na matakin chip (CSP) da ƙira na flip-chip don ingantacciyar hanyar zafi da ƙarancin farashi.