LED Fari SMD PLCC-2 Bayani - 2.8x3.5x0.7mm - Wutar Gaba 8.6-9.8V - Wutar 1078mW - Yanayin Launin Zafi 2700K-6500K

1. Bayanin Samfurin

Wannan LED Fari an yi shi ta hanyar amfani da chip shuɗi tare da rufin phosphor don samar da haske fari. Girman fakitin shine 2.8mm x 3.5mm x 0.7mm, yana sa ya dace da ƙirar haske mai ɗanɗano. Yana amfani da tsarin fakitin PLCC-2, wanda ya dace da hanyoyin haɗa SMT na yau da kullun. Abubuwan da ke da mahimmanci sun haɗa da kusurwar kallo mai faɗi sosai, matakin damshin damshi 3 (bisa ga ƙa'idodin IPC/JEDEC), yarda da RoHS, da samuwa a cikin marufi na tef da reel don masana'anta ta atomatik.

2. Bayanin Gabaɗaya

Na'urar tana fitar da haske fari ta hanyar kunna chip shuɗi na phosphor. An ƙera shi don aikace-aikacen haskaka cikin gida inda ake buƙatar haske mai girma da daidaiton launi.

3. Abubuwan

• Fakitin PLCC-2
• Kusurwar kallo mai faɗi (har zuwa digiri 120)
• Ya dace da duk hanyoyin haɗa SMT da tafiyar da wuta
• Akwai shi a kan tef da reel (12000 guda a kowace reel)
• Matakin damshin damshi: Mataki 3
• Ya dace da RoHS

4. Aikace-Aikace

• Haskaka cikin gida (haskaka gabaɗaya)
• Hasken fitila
• Aikace-aikacen cikin gida na yau da kullun kamar fitilun ƙasa, fitilun tabo, da fitilun layi

5. Fassarar Abubuwan Fasaha

5.1 Halayen Lantarki da Na gani

Abubuwan lantarki da na gani an bayyana su a zazzabin haɗa wuta na 25°C tare da wutar gaba (IF) na 100mA. Wutar gaba (VF) ta tashi daga 8.6V zuwa 9.8V dangane da lambar bin (Y0: 8.6-9.0V, Z0: 9.0-9.4V, A3: 9.4-9.8V). Matsakaicin wutar gaba ga yawancin bins shine kusan 9.0V. Tarin haske (Φ) ya bambanta daga 95 lm zuwa 140 lm dangane da lambar bin; misali, matsayin UHA yana da 95-100 lm, yayin da matsayin FC5 yana da 130-140 lm. Wutar da ke baya (IR) a VR=15V tana ƙasa da 10 µA. Kusurwar kallo (2θ1/2) yawanci digiri 120 ne (mafi ƙarancin digiri 80), yana tabbatar da rarraba haske mai faɗi. Matsayin haɓaka launi (CRI) shine mafi ƙarancin 80, yawanci 82, wanda ya dace da haskaka gida na yau da kullun inda ingancin launi yake da mahimmanci. Juriya na zafi (RTHJ-S) shine mafi girman 15°C/W, yana nuna kyakkyawar canja wurin zafi daga haɗin zuwa wurin haɗa wuta.

5.2 Matsakaicin Matsayi na Ƙarshe

A zazzabin haɗa wuta na 25°C, matsakaicin matsayi na ƙarshe shine: Rashin wutar (PD) har zuwa 1078 mW; wutar gaba (IF) har zuwa 110 mA; wutar gaba ta kololuwa (IFP) har zuwa 220 mA (1/10 na zagaye, 0.1ms faɗin bugun jini); wutar baya (VR) har zuwa 15V; fitar da lantarki a tsaye (HBM) har zuwa 2000V; kewayon zazzabin aiki -40°C zuwa +105°C; kewayon zazzabin adanawa -40°C zuwa +105°C; zazzabin haɗin (TJ) mafi girman 125°C. Ba za a ƙyale wutar ta wuce matsakaicin matsayin ƙarshe ba. Wutar gaba ya kamata a ƙayyade bisa ga ma'aunin zafi na ainihi don tabbatar da cewa zazzabin haɗin bai wuce 125°C ba. Ana ba da shawarar kariya daga ESD yayin mu'amala saboda fiye da 90% na LEDs sun wuce gwajin HBM na 2000V.

6. Tsarin Bin

6.1 Bins na Wutar Gaba

An raba wutar gaba zuwa ƙungiyoyi uku a IF=100mA: Y0 (8.6-9.0V), Z0 (9.0-9.4V), da A3 (9.4-9.8V). Wannan yana bawa abokan ciniki damar zaɓar LEDs tare da daidaiton wutar don ƙirar haɗin jerin ko layi.

6.2 Bins na Tarin Haske

An raba tarin haske zuwa matsayi da yawa: UHA (95-100 lm), FC2 (100-110 lm), FC3 (110-120 lm), FC4 (120-130 lm), da FC5 (130-140 lm). Takamaiman matsayin tarin da ke da alaƙa da wani samfurin ya dogara da yanayin zafin launi. Misali, samfurin 3000K yawanci yana zuwa a FC2 (100-110 lm), yayin da samfurin 4000K yana ba da FC3 (110-120 lm) da FC4 (120-130 lm).

6.3 Bins na Launi

An raba daidaiton launi bisa ga ƙa'idar ANSI C78.377 ta amfani da ellipse na MacAdam mai mataki 7. Teburin yana ba da daidaiton X,Y ga kowace lambar bin (27M, 30M, 35M, 40M, 50M, 57M, 65N, 65M) da ke daidai da CCT na yau da kullun daga 2700K zuwa 6500K. Misali, bin 30M (3000K) yana da daidaiton X1=0.4668, Y1=0.4281; X2=0.4420, Y2=0.4197; da sauransu. Wannan yana tabbatar da daidaiton launi mai ƙarfi a cikin ɗimbin samarwa.

7. Nazarin Lafiyar Aiki

7.1 Wutar Gaba vs. Wutar Gaba ta Yanzu

Lafiyar da ta dace tana nuna wutar gaba tana raguwa kaɗan tare da ƙaruwar wutar. A 100mA matsa yana kimanin 9.0V; a 200mA ya tashi zuwa kimanin 9.6V. Wannan hali mara daidaito dole ne a yi la'akari da shi a ƙirar direba don kiyaye daidaiton wutar.

7.2 Ƙarfin Dangi vs. Wutar Gaba ta Yanzu

Fitar haske mai dangi yana ƙaruwa da wutar gaba. A 100mA ƙarfin dangi yana daidaita zuwa 100%; a 200mA ya kai kimanin 180%. Dangantakar tana kusan daidai har zuwa 150mA.

7.3 Halayen Zazzabi

Dukansu wutar gaba da ƙarfin dangi suna shafar zazzabin haɗa wuta. Yayin da zazzabi ya tashi daga 25°C zuwa 105°C, wutar gaba tana raguwa da kimanin 0.8V (ƙarancin zafin jiki mara kyau). Fitar haske mai dangi kuma yana raguwa tare da ƙaruwar zazzabi: a 105°C ya faɗi zuwa kimanin 80% na darajar a 25°C. Gudanar da zafi mai kyau yana da mahimmanci don kiyaye haske.

7.4 Tsarin Rarraba Haske

Tsarin rarraba haske na kusurwa yana nuna rarraba mai daidaita tare da rabin ƙarfi a ±60 digiri (120° kusurwar kallo). Fitar haske tana da girma a kan axis na gani.

7.5 Rarraba Bakan

Bakan LED fari ya ƙunshi kololuwar shuɗi a kusan 450 nm da kuma fitar rawaya-kore mai faɗi daga phosphor, wanda ya rufe kewayon gani daga 400 zuwa 700 nm. Siffar bakan ta bambanta da CCT: CCT masu zafi suna da ƙananan jajaye masu ƙarfi, yayin da CCT masu sanyi suna nuna ƙarin abun shuɗi.

8. Bayanan Injiniya da Marufi

8.1 Girman Fakitin

Fakitin LED yana da tsawon 2.80 mm, faɗin 3.50 mm, da kauri 0.70 mm (kallon sama: 2.80 x 3.50 mm; kallon gefe tsayi 0.70 mm). Kallon ƙasa yana nuna faifan haɗa wuta biyu: faifan anode (A) girman 1.96 x 2.10 mm da faifan cathode (C) girman 1.10 x 2.10 mm. Tsarin haɗa wuta da aka ba da shawara ya haɗa da faifan rectangular guda biyu na 2.10 x 0.50 mm da aka raba da tazara 0.48 mm. Dukkan girma suna da haƙuri na ±0.05 mm sai dai idan an lura.

8.2 Gane Polarity

An yiwa anode alama da alamar "+" a saman fakitin; cathode an yiwa alama da "-". Kallon ƙasa yana nuna faifan da ya fi girma (2.10 x 1.96 mm) shine anode, kuma faifan da ya fi ƙarami (1.10 x 2.10 mm) shine cathode.

8.3 Girman Tef da Reel

Tef ɗin yana da faɗin 12.0 mm, tazarar 4.00 mm, da girman rami da ya dace da fakitin PLCC-2. Girman reel shine: A = 12.2 ±0.3 mm, B = 290 ±2 mm, C = 79.6 ±0.2 mm, D = 14.2 ±0.2 mm. Kowace reel tana ƙunshe da guda 12,000. Lakabi sun haɗa da lambar part, lambar ƙayyadaddun bayanai, lambar lot, lambar bin, tarin haske, bin chromaticity, wutar gaba, lambar tsawon raƙuman haske, yawa, da ranar samarwa.

9. Jagororin Haɗa Wuta da Taro

9.1 Tsarin Haɗa Wuta ta Reflow

Tsarin reflow da aka ba da shawara yana amfani da tsarin haɗa wuta mara gubar. Matsakaicin haɓaka daga Tsmin (150°C) zuwa Tp (260°C) bai kamata ya wuce 3°C/s ba. Ana yin preheating tsakanin 150°C da 200°C na tsawon daƙiƙa 60-120. Zazzabi ya tsaya sama da 217°C na tsawon daƙiƙa 60 mafi girma (lokaci sama da liquidus). Kololuwar zazzabi shine 260°C tare da mafi girman lokacin zama na daƙiƙa 10. Matsakaicin sanyaya bai kamata ya wuce 6°C/s ba. Lokacin daga 25°C zuwa kololuwa yana ƙasa da mintuna 8. Ya kamata a yi haɗa wuta ta reflow ba fiye da sau biyu ba; idan tazarar tsakanin haɗa wuta ta wuce sa'o'i 24, LEDs na iya lalacewa saboda ɗaukar damshi.

9.2 Haɗa Wuta da Gyara ta Hannu

Ana yarda da haɗa wuta ta hannu sau ɗaya kawai, tare da zazzabin ƙarfe ƙasa da 300°C da tsawon lokaci ƙasa da daƙiƙa 3. Ba a ba da shawarar gyara bayan haɗa wuta ba; idan ba za a iya kaucewa ba, ya kamata a yi amfani da ƙarfen haɗa wuta mai kai biyu kuma dole ne a tabbatar da tasirin LED kafin.

9.3 Tsare-tsare

Kayan rufewar shine silicone, wanda yake taushi. Ka guje wa matsi na injiniya a saman yayin ɗauka da sanyawa. Yi amfani da matsin bututun da ya dace. Kar a saka LEDs a kan PCBs marasa daidaituwa; bayan haɗa wuta, kar a mayar da allon. Ka guje wa ƙarfin injiniya ko girgiza mai yawa yayin sanyaya. Ba a yarda da sanyaya sauri bayan haɗa wuta ba.

10. Bayanan Marufi da Oda

Ana ba da LED a cikin jakunkuna masu hana damshi tare da desiccant, an tattara su a cikin reels (12,000 guda a kowace reel) sannan a cikin akwatunan kwali. Yanayin adanawa: kafin buɗe jakar aluminum, adana a ≤30°C da ≤75% RH har zuwa shekara guda daga ranar isarwa. Bayan buɗewa, dole ne a yi amfani da LEDs a cikin sa'o'i 24 a ƙarƙashin ≤30°C da ≤60% RH. Idan desiccant ya bushe ko lokacin adanawa ya wuce shawarwarin, ana buƙatar gasa a 60±5°C na akalla sa'o'i 24. Lambar samfurin ta bi tsarin: RF-W[lambar yanayin zafin launi]HP32DS-AF-I3, inda "W" ke nuna fari, "HP32DS" ke nuna babban wutar PLCC-2 tare da takamaiman ƙira, "AF" ke nuna bin tarin atomatik, da "I3" na iya nuna siga ko ƙimar wutar. Lambar samfurin tare da lambar bin suna ƙayyade ainihin chromaticity da matakin tarin.

11. Shawarwarin Aikace-Aikace

Aikace-aikacen yau da kullun sun haɗa da haskaka cikin gida kamar fitilun bulb, fitilun ƙasa, da na'urorin haskaka gabaɗaya. Yayin ƙirar da'irar, tabbatar da cewa wutar gaba ta kowane LED bai wuce matsakaicin matsayin ba. Ana ba da shawarar resistors na jerin don daidaita wutar daga bambance-bambancen wutar lantarki. Tsarin zafi dole ne ya kasance mai ƙarfi saboda zazzabi mai girma yana rage ingancin haske kuma yana canza launi. Tabbatar da isasshen ɗaukar zafi don kiyaye zazzabin haɗin ƙasa da 125°C. A cikin wuraren da ke da mahadi na sulfur, dole ne adadin sulfur ya kasance ƙasa da 100 PPM don hana lalacewar LED. Bromine da chlorine a cikin kayan ya kamata a iyakance su zuwa ƙasa da 900 PPM kowanne, tare da jimlar ƙasa da 1500 PPM. Ka guje wa amfani da adhesives masu fitar da tururin kwayoyin halitta kusa da LED. Idan ana buƙatar tsaftacewa bayan haɗa wuta, ana ba da shawarar isopropyl alcohol; ya kamata a guji tsaftacewa ta ultrasonic saboda yana iya lalata fakitin.

12. Kwatanta Fasaha

Idan aka kwatanta da LED farin PLCC-2 na gargajiya, wannan na'urar tana ba da kusurwar kallo mai faɗi (120° maimakon 110° na yau da kullun) da matsakaicin wutar gaba mai girma (110 mA maimakon 100 mA), wanda ke ba da damar fitar lumen mai girma. Ƙuntatattun bin wutar gaba sun fi ƙarfi (ƙaruwar 0.4V) idan aka kwatanta da wasu masu fafatawa waɗanda ke ba da ƙaruwar 0.6V, wanda ke inganta sauƙin aiki tare. Juriya na zafi na 15°C/W yana da gasa ga fakitin PLCC-2; wasu samfuran makamantan suna iya samun 20-25°C/W. CRI na mafi ƙarancin 80 (82 na yau da kullun) ya dace da amfani da cikin gida na yau da kullun, yayin da wasu samfuran ƙwararru suka kai CRI 90+ amma tare da ƙarancin inganci.

13. Tambayoyin da Aka Yi Yawa

Tambaya: Zan iya tuka wannan LED a wuta ta daidai?

Amsa: Ba a ba da shawarar tukawa ta wuta ta daidai ba saboda ƙananan canje-canjen wutar lantarki suna haifar da bambance-bambancen wutar mai yawa. Yi amfani da direban wuta ta daidai ko resistor mai iyakance wutar.

Tambaya: Menene tsawon rayuwar da ake tsammani?

Amsa: Ko da yake ba a bayyana a fili a cikin bayanan ba, yawanci LEDs PLCC-2 suna da kula da lumen >70% bayan sa'o'i 50,000 a ƙarƙashin yanayin da aka ba da shawara (IF=100mA, Tj≤125°C).

Tambaya: Yaya zan fassara lambar bin "27M"?

Amsa: "27M" yana nuna bin CCT a kusan 2700K tare da takamaiman daidaiton chromaticity a cikin ellipse na MacAdam mai mataki 7.

Tambaya: Zan iya amfani da wannan LED a waje?

Amsa: Bayanan sun ƙayyade zazzabin aiki daga -40°C zuwa +105°C, amma fakitin bai kai ga damshi na waje ko hasken rana kai tsaye ba sai dai idan an kara kariya. Don amfani da waje, yi la'akari da suturar conformal ko rufewar IP.

Tambaya: Menene matsakaicin wutar baya?

Amsa: Matsakaicin wutar baya na ƙarshe shine 15V. Yin wuce wannan na iya haifar da lalacewa. Wutar baya a 15V tana ƙasa da 10 µA, tana nuna kyakkyawan aikin zubewar baya.

14. Misalan Aikace-Aikace

14.1 Fitilar Ƙasar Gida

Fitilar ƙasa mai aiki da 7W tana amfani da LEDs 7: 7 × 1078 mW = 7.55 W jimlar wutar (kaɗan mafi girma saboda asarar direba). Tare da 120 lm a kowace LED (bin FC3) a 100 mA, jimlar fitar lumen shine 840 lm, daidai da fitilar bulb 60W. Kusurwar kallo mai faɗi (120°) yana ba da damar rarraba haske mai faɗi don haskaka ɗaki daidai.

14.2 Fitilar Layi Tsiri

Don tsiri na mita 1 mai ƙunshe da LEDs 60 (reels 5 na guda 12 kowanne), ana tukawa a 100 mA jimlar wutar (60 × 110 mA = 6.6 A ba ta da amfani; yawanci ana amfani da layukan daidaituwa tare da resistors daban). ƙirar da ta fi dacewa ita ce layuka 3 masu daidaituwa na LEDs 20 kowanne, kowane layi yana da resistor mai iyakance wutar da jimlar wutar 330 mA (3 × 110 mA). Fitar haske zai wuce 6600 lm (layuka 3 × 20 LEDs × 110 lm = 6600 lm). Gudanar da zafi mai kyau yana da mahimmanci.

15. Ka'idar Aiki

LED fari yana aiki bisa ga ka'idar canza phosphor: chip LED shuɗi na gallium-nitride (GaN) yana fitar da haske shuɗi a kusan 450 nm. Wannan haske shuɗi yana ɗauka ta wani phosphor mai fitar da rawaya (yawanci YAG:Ce) wanda ke sake fitarwa a cikin band ɗin rawaya-kore mai faɗi. Haɗin haske shuɗi da ragowar da fitar phosphor rawaya yana samar da haske fari. Ta hanyar daidaita abun da ke cikin phosphor da tattarawa, ana samun yanayin zafin launi daban-daban (CCT) daga fari mai zafi (2700K) zuwa fari mai sanyi (6500K). Ana ƙayyade CRI ta faɗin bakan phosphor; na'urorin CRI mafi girma yawanci suna amfani da phosphor da yawa (misali, an ƙara phosphor ja) don cike gurbin bakan.

16. Hanyoyin Ci Gaba

Hanyar kasuwa don LEDs farin PLCC-2 ta haɗa da ƙara ƙananan girman (misali, fakitin 1.6×1.6mm) yayin da ake kiyaye aikin gani makamantansu. Ana inganta inganta aiki ta hanyar ingantaccen ingancin chip da yawan adadin phosphor (manufa >210 lm/W a 100 mA ga LEDs matsakaici). Sigogin CRI mafi girma (CRI 90-95) suna zama gama gari don haskaka cikin gida na alatu. Bugu da ƙari, haɗin sarrafa mai hankali (misali, fari mai daidaitawa) yana ƙaruwa, yana buƙatar bin LED da daidaiton launi mai ƙarfi. Sashin ababen hawa kuma yana ɗaukar irin waɗannan fakitin don haskaka ciki. Bukatun aminci suna ci gaba da tura don ƙarancin juriya na zafi da ingantaccen juriya na sulfur/damshi ta hanyar dabarun marufi na ci gaba.