Bayanan PLCC4 Yellow LED - 3.5x2.8x1.85mm - 2.0-2.6V - 182mW - 590nm Tsawon Raƙuman Hasken Fiye

1. Dubawa Kan Samfur

1.1 Bayani na Gabaɗaya

Wannan LED Yellow an yi shi ne bisa la’akari da yadudduka na AlGaInP (Aluminum Gallium Indium Phosphide) waɗanda aka shuka a kan wani substrate kuma an tattara su a cikin tsarin PLCC4 (Plastic Leaded Chip Carrier). Ƙaramin kunshin yana auna 3.50mm × 2.80mm × 1.85mm (tsawo × faɗi × tsayi), yana sa ya dace da aikace-aikacen da ke da ƙarancin sarari. Na'urar tana fitar da haske mai rawaya tare da tsawon raƙuman haske na fiye a kusan 590nm. An ƙera shi don haskakawa gabaɗaya da aikace-aikacen hasken mota inda ake buƙatar babban haske da aminci.

1.2 Abubuwan Fasali

• Kunshin PLCC4 don haɗuwa da SMT mai sauƙi.
• Kusurwar gani mai faɗi sosai na digiri 120 (a rabin ƙarfi), yana ba da damar rarraba haske mai yawa.
• Yana dacewa da duk matakan haɗuwa na SMT na yau da kullun da aikin sake narkar da.
• Ana samuwa a cikin marufi na tef da reel don ɗauka da sanya ta atomatik.
• Matakin laushi na danshi 2 (MSL 2) bisa ga ka'idojin JEDEC.
• Ya bi ka'idojin RoHS (Ƙuntatawa na Abubuwa Masu Haɗari) da REACH (Rijista, Kimantawa, Izinin da Ƙuntatawa na sinadarai).
• An cancanta bisa ga gwajin damuwa na AEC-Q101 don ma'aunin semiconductor na mota.

1.3 Aikace-aikace

• Hasken cikin mota (misali, alamomin dashboard, hasken yanayi).
• Hasken waje na mota (misali, alamun juyawa, fitilun birki, fitilun haɗa baya).
• Nuni da alama na gabaɗaya.
• Duk wani aikace-aikacen da ke buƙatar LED rawaya mai ƙarfi tare da kusurwar katako mai faɗi.

2. Girman Kunshin

2.1 Zane na Injiniya

Kunshin LED yana da girman gabaɗaya na 3.50mm (tsawo) × 2.80mm (faɗi) × 1.85mm (tsayi). Duk ma'aunai suna da jurewa ±0.2mm sai dai idan an bayyana akasin haka. Duban sama yana nuna jiki mai rectangular tare da alamar polarity (kusurwa mai kusurwa) a saman dama. Duban gefe yana nuna tsayin duka na 1.85mm. Duban kasa yana bayyana pads hudu na solder: pads 1 da 2 (cathode/anode) suna kan gefen ƙasa, yayin da pads 3 da 4 na kan gefen sama. Don cikakken tsari, duba zanen polarity wanda ke nuna tsarin haɗi. Hakanan an bayar da tsarin solder da aka ba da shawara (tsarin ƙasa) akan PCB don inganta aikin zafi da lantarki. Girman tsarin: yanki na tsakiya rectangular na 2.60mm × 1.60mm, tare da pads mai tsayi na 4.60mm gabaɗaya da faɗi 0.80mm don haɗin waje. Wannan tsarin yana tabbatar da samuwar haɗin solder mai dogara da isasshen ɓarkewar zafi.

3. Halayen Lantarki da Na Gani

3.1 Ma'aunin Lantarki/Gani a 25°C (IF=50mA sai dai idan an bayyana)

3.2 Matsakaicin Ma'aunin Aiki (Ts=25°C sai dai idan an bayyana)

3.3 Bayanin Ƙungiyoyi a IF=50mA

Ana rarraba LEDs zuwa ƙungiyoyi bisa ga ƙarfin gaba (V_F), ƙarfin haske (I_V), da tsawon raƙuman hasken fiye (λ_D). Matsakaicin ƙungiyoyi sune kamar haka:

Ƙungiyoyin Ƙarfin Gaba:C1 (2.0-2.1V), C2 (2.1-2.2V), D1 (2.2-2.3V), D2 (2.3-2.4V), E1 (2.4-2.5V), E2 (2.5-2.6V).

Ƙungiyoyin Ƙarfin Hasken Nuni:N1 (1800-2300 mcd), N2 (2300-2800 mcd), O1 (2800-3500 mcd).

Ƙungiyoyin Tsawon Raƙuman Hasken Fiye:A2 (584.5-587 nm), B1 (587-589.5 nm), B2 (589.5-592 nm), C1 (592-594.5 nm).

An yiwa lambar ƙungiya alama a kan lakabin samfur kuma ana iya amfani da ita don zaɓar takamaiman kewayon aiki don aikace-aikacen.

4. Hotunan Halayen Na Gani na Yau da Kullun

4.1 Ƙarfin Gaba vs. Gudun Gaba

Yayin da gudun gaba ya ƙaru daga 0 zuwa 70 mA, ƙarfin gaba yana tashi daga kusan 1.9V zuwa 2.6V. Hoto yana bin halayen diode na musamman na malanta. A yanayin gwaji na 50 mA, ƙarfin gaba yawanci 2.3V.

4.2 Ƙarfin Dangi vs. Gudun Gaba

Ƙarfin haske na dangi yana ƙaruwa kusan layi daya tare da gudun gaba har zuwa 70 mA. A 50 mA, ƙarfin dangi yana kusan 90% na matsakaici a 70 mA. Wannan hali yana ba da damar daidaita haske ta hanyar daidaita gudun tuki a cikin kewayon da aka ƙididdige.

4.3 Zafin Solder vs. Girman Hasken Dangi

Yayin da zafin solder (Ts) ya ƙaru daga 25°C zuwa 120°C, girman haske na dangi yana raguwa. A 100°C, girman yana raguwa zuwa kusan 75% na darajar a 25°C. Saboda haka sarrafa zafi yana da mahimmanci don kiyaye fitar haske mai daidaituwa.

4.4 Zafin Solder vs. Rage Gudun Gaba

Don kiyaye zafin haɗin gwiwa a cikin iyakoki, dole ne a rage matsakaicin gudun gaba da aka yarda yayin da zafin yanayi/solder ya tashi. A Ts=100°C, matsakaicin gudun gaba ya rage zuwa kusan 40 mA, idan aka kwatanta da 70 mA a 25°C.

4.5 Ƙarfin Gaba vs. Zafin Solder

Ƙarfin gaba yana raguwa kaɗan tare da ƙarin zafi. A cikin kewayon 25°C zuwa 120°C, ƙarfin gaba yana raguwa da kusan 0.2V. Wannan ma'aunin zafi mara kyau ya kamata a yi la'akari da shi lokacin tsara direbobi masu ci gaba da gudu ko ci gaba da ƙarfin lantarki.

4.6 Tsarin Rada

Tsarin rada ya kusan zama Lambertian tare da rabin kusurwa mai faɗi na 120°. Ƙarfin dangi yana da matsakaici a 0° (a kan axis) kuma ya faɗi zuwa 50% a ±60°. Tsarin yana da daidaituwa kuma yana ba da rarraba haske iri ɗaya a cikin aikace-aikacen da aka yi niyya.

4.7 Tsawon Raƙuman Hasken Fiye vs. Gudun Gaba

Yayin da gudun gaba ya ƙaru daga 0 zuwa 70 mA, tsawon raƙuman hasken fiye yana motsawa kaɗan zuwa tsayin raƙuman ruwa (juya ja). Motsawa ya kai kusan 1 nm a kan cikakken kewayon gudu, wanda ba shi da mahimmanci ga yawancin aikace-aikace amma ana iya la'akari da shi don ƙirar da ke da mahimmanci ga launi.

4.8 Rarraba Bakan

Bakan yana nuna kololuwa ɗaya a kusa da 590 nm tare da cikakken faɗi a rabin matsakaici (FWHM) na kusan 20 nm. Fitarwa tana cikin yankin rawaya na bakan da ake iya gani, ba tare da manyan kololuwa na biyu ba. Tsabtar bakan yana da girma, yana sa wannan LED ya dace da aikace-aikacen da ke buƙatar takamaiman launi na rawaya.

5. Bayanin Marufi

5.1 Girman Tef ɗin Daukar da Reel

Ana tattara LEDs a cikin tef ɗin daukar tare da tazara na 4.00 mm da faɗi na 8.00 mm. Tef ɗin yana da aljihu wanda ya dace da kunshin 3.5×2.8mm da tef ɗin rufewa don kariya. Kowane reel yana ɗaukar guda 2000. Diamita na waje na reel shine 330 mm, diamita na cibiya shine 100 mm, kuma diamita na ramin sandal shine 13 mm. Hanyar ciyar da tef ana nuna ta da kibiyoyi a kan reel.

5.2 Lakabi da Kariyar Danshi

Ana yiwa kowane reel lakabi da lambar sashi, lambar ƙayyadaddun bayanai, lambar kuri'a, lambar ƙungiya, lambar girman haske (ko ƙarfi), ƙungiyar chromaticity, lambar ƙarfin gaba, lambar tsawon raƙuman haske, yawa, da lambar kwanan wata. Ana sanya reel a cikin jakan hana danshi tare da bushewa da kati mai nuna danshi. Sannan a rufe jakar don kiyaye yanayin ƙarancin danshi. Akwatin kwali na waje yana ɗauke da reels da yawa don jigilar kaya.

6. Abubuwan Gwajin Amincewa da Yanayi

Ma'aunin Gazawa:Bayan gwaje-gwaje, ana amfani da iyakoki masu zuwa: Canjin ƙarfin gaba ≤ sau 1.1 na iyakar ƙayyadaddun na sama (USL). Gudun mai juya ≤ sau 2.0 na USL. Girman haske ≥ sau 0.7 na iyakar ƙayyadaddun na ƙasa (LSL).

7. Umurnin Sake Narkar da SMT

7.1 Tsarin Sake Narkar da da aka Shawarta

LED ya dace da sake narkar da mara gubar. Ya kamata a yi amfani da tsarin mai zuwa:

• Preheat: 150°C zuwa 200°C na daƙiƙa 60-120.
• Tashi daga Tsmax zuwa TL (217°C) a ƙimar ≤ 3°C/s.
• Lokaci sama da 217°C (tL): daƙiƙa 60-120.
• Matsakaicin zafi (TP): 260°C, tare da matsakaicin lokaci a cikin 5°C na kololuwa (tp) na daƙiƙa 10.
• Ragewa daga kololuwa zuwa 25°C a ƙimar ≤ 6°C/s.
• Jimlar lokaci daga 25°C zuwa kololuwa: ≤ mintuna 8.

Kada ku wuce zagaye biyu na sake narkar da. Idan lokaci tsakanin ayyukan sake narkar da biyu ya wuce sa'o'i 24, dole ne a gasa LEDs don guje wa lalacewar danshi. Kada ku yi amfani da matsa lamba na injiniya akan LED yayin dumama.

7.2 Solder da Hannu

Idan an buƙaci solder da hannu, yi amfani da ƙarfen solder da aka saita ƙasa da 300°C kuma kammala haɗin a cikin daƙiƙa 3. An ba da izinin aikin solder da hannu ɗaya kawai.

7.3 Sake aiki

Ba a ba da shawarar sake aiki bayan solder ba. Idan ba makawa, yi amfani da kayan aikin iska mai zafi mai kai biyu don dumama haɗin biyu a lokaci ɗaya kuma a cire ɓangaren a hankali. Tabbatar cewa sake aiki baya lalata halayen LED.

7.4 Tsare-tsare

• Rufin LED shine silicone, wanda yake da laushi. Ka guje wa matsa lamba mai ƙarfi a saman saman, saboda yana iya shafar aminci. Yi amfani da nozzles masu ɗauka masu dacewa tare da ƙarfin da aka sarrafa.
• Kada a saka LED a kan PCB mai lanƙwasa. Bayan solder, ka guje wa lanƙwasa PCB.
• Kada a yi amfani da ƙarfin injiniya ko girgiza yayin sanyaya bayan solder. Kada a kashe na'urar da sauri.

8. Tsare-tsare na Kulawa

8.1 Dacewa da Muhalli

Abubuwan da ke hulɗa da LED dole ne su ƙunshi mahadi na sulfur da bai wuce 100 ppm ba. Jimlar abun ciki na bromine da chlorine a cikin abubuwan da ke kewaye ya kamata ya kasance ƙasa da 1500 ppm, tare da kowane abu a ɗaiɗaiku ƙasa da 900 ppm. Mahadi na ƙwayoyin cuta masu canzawa (VOCs) na iya shiga cikin rufin silicone kuma su haifar da canza launi a ƙarƙashin zafi da haske. Saboda haka, ya kamata a yi amfani da abubuwan da suka dace kawai a cikin ginin na'urar. Refond ya ba da shawarar gwada duk sinadarai da adhesives a cikin yanayin da aka yi niyya kafin amfani.

8.2 Kulawa da Haɗuwa

Koyaushe riƙe LED ta gefen gefenta ta amfani da toreƙi ko kayan aikin da suka dace. Ka guje wa taɓa ruwan tabarau na silicone kai tsaye don hana lalacewa na ciki. Lokacin ɗauka da sanya, yi amfani da bututun da baya lalata saman silicone.

8.3 Tsarin Da'ira

Tsara da'irar tuki don tabbatar da cewa gudu ta kowane LED bai wuce matsakaicin ma'aunin aiki (70 mA DC) ba. Haɗa resistor a jere don iyakance gudu kuma a biya diyya ga bambance-bambancen ƙarfin lantarki. Kada a yi amfani da ƙarfin lantarki mai juya ga LED, saboda yana iya haifar da ƙaura da lalacewa ta dindindin. Samar da kariyar ESD (HBM har zuwa 2 kV) yayin kulawa da haɗuwa.

8.4 Tsarin Zafi

Tunda halayen LED suna raguwa tare da ƙara zafin haɗin gwiwa (misali, rage haske, canja launi), sarrafa zafi yana da mahimmanci. Tabbatar cewa PCB yana da isasshen yanki na jan ƙarfe da hanyoyin zafi don watsar da zafi. Zafin haɗin gwiwa bai kamata ya wuce 120°C ba.

8.5 Tsaftacewa

Idan an buƙaci tsaftacewa bayan solder, ana ba da shawarar isopropyl alcohol. Dole ne a tabbatar da sauran abubuwan narkewa don kada su lalata kunshin ko resin. Ba a ba da shawarar tsaftacewa da ultrasonic ba saboda yana iya lalata LED.

8.6 Yanayin Ajiya

Idan jakar hana danshi ta lalace ko mai nuna danshi ya nuna danshi mai yawa, gasa LEDs a 60±5°C na akalla sa'o'i 24 kafin amfani.

8.7 Fitowar Lantarki Mai Tsauri (ESD)

Wannan LED yana da hankali ga ESD. Fiye da 90% na raka'a suna tsira daga 2000 V HBM. Duk da haka, dole ne a ɗauki matakan kariyar ESD (wuraren aiki na ƙasa, madaurin wuyan hannu, kwantena masu gudanarwa) yayin kulawa da haɗuwa don guje wa lalacewa ta ɓoye.