LED Fari 1.6x0.8x0.4mm Bayani - Ƙarfin Gaba 2.6-3.4V - Ƙarfin Wuta 68mW - Takardar Bayani ta Turanci

1. Taƙaitaccen Sharhi kan Samfur

Wannan samfurin shine diode mai haske fari (LED) wanda aka yi ta amfani da blue chip da fasahar canza phosphor. Yana cikin wani ƙaramin kayan shigarwa na sama (surface mount) mai girman 1.6mm x 0.8mm x 0.4mm, wanda ya dace da aikace-aikacen da sarari ke da iyaka. An ƙera LED don duk ayyukan haɗawa da soldering na SMT, yana ba da kusurwar gani mai fadi sosai na digiri 140. Ya bi ka'idar RoHS kuma yana da matakin laushi na 3.

Mahimman Fasaloli:

• Kusurwar gani mai fadi sosai don haske iri ɗaya.
• Ya dace da daidaitaccen aikin SMT da reflow soldering.
• Matsayin laushi: Mataki na 3 (rayuwar bene 168 hours bayan buɗe jakar).
• Ya bi RoHS, ba shi da abubuwa masu haɗari.

Aikace-aikace:

• Nuna haske a cikin na'urorin lantarki na masu amfani.
• Masarruƙa, alamomi, da hasken baya na nuni.
• Hasken gabaɗaya da haske na ado.

2. Lambobin Fasaha

Ana auna ma'auni masu zuwa a yanayin gwaji na IF = 5 mA da Ts = 25°C sai dai in an bayyana akasin haka.

2.1 Halayen Lantarki & Hasken

2.2 Matsakaicin Matsayin Haɗari

3. Tsarin Rarraba Kashi (Ƙarfin Gaba & Ƙarfin Hasken)

Ana raba LEDs zuwa kashi bisa ga ƙarfin gaba da ƙarfin haske don tabbatar da daidaito a aikace-aikace. A IF=5mA, an raba ƙarfin gaba zuwa kashi 8 (F1, F2, G1, G2, H1, H2, I1, I2) wanda ya ƙunshi kewayon daga 2.6V zuwa 3.4V tare da haɓaka 0.1V a kowane kashi. An raba ƙarfin haske zuwa kashi 4 (1AP: 90-120 mcd, G20: 120-150 mcd, 1AW: 150-200 mcd, 1AX: 200-250 mcd). Bugu da ƙari, an raba masu daidaita launi bisa ga tsarin chromaticity CIE 1931, tare da takamaiman kashi kamar B01-B06 da K01-K06 waɗanda ke rufe yankunan zafin launi masu alaƙa.

4. Lauyayyen Ayyuka & Bincike

Takardar bayani tana ba da lauyayyen halayen gani da lantarki na yau da kullun don tunani na injiniya:

• Ƙarfin Gaba vs Yawan Gaba:Yana nuna haɓakar VF na yau da kullun tare da yawan, yana nuna halin diode.
• Yawan Gaba vs Ƙarfin Hasken Dangantaka:Yana nuna cewa ƙarfin haske na dangantaka yana ƙaruwa kusan daidai da yawan gaba har zuwa 20 mA.
• Zazzabin pin vs Ƙarfin Hasken Dangantaka:Yana kwatanta raguwar haske yayin da zazzabin junction ya tashi, tare da raguwa kusan 10% a 85°C idan aka kwatanta da 25°C.
• Zazzabin pin vs Yawan Gaba:Yana ba da bayanin rage ƙarfi don aminci a yanayin zafi mafi girma.
• Yawan Gaba vs Tsawon Tsangwala:Yana nuna ɗan canji a tsawon tsangwala tare da yawan; ga LED fari wannan yana da kaɗan.
• Ƙarfin Hasken Dangantaka vs Tsawon Tsangwala:Tsarin bakan yana nuna babban fitowar koli mai tsakiyar 450 nm (shuɗi) da kuma koli mai faɗi daga phosphor, yana samar da haske fari.
• Tsarin Radiation:Kusurwar gani mai fadi na 140° (kusurwar rabin ƙarfin), tare da rarraba daidai.

5. Bayanin Injiniya & Marufi

Girman kayan shigarwa na LED shine 1.6 mm (L) × 0.8 mm (W) × 0.4 mm (H) tare da haƙuri ±0.2 mm. Kayan yana da tashoshi biyu (anode da cathode) wanda aka yiwa alama ta hanyar alamar polarity a kallon ƙasa. An samar da daidaitaccen tsarin fam ɗin soldering a cikin takardar bayani: fam biyu rectangular na 0.8 mm × 0.8 mm da tazara mai nisan 2.4 mm.

5.1 Kaset mai ɗaukar kaya & Ril

Ana shirya LEDs a cikin kaset mai ɗaukar kaya mai faɗi 8 mm, tazara 4 mm, da tazarar ramukan sprocket 1.75 mm. Diamita na ril shine 178 mm, faɗi 8 mm, tare da diamita na hub 60 mm. Kowane ril yana ƙunshe da 4,000 guda. Alamar ta haɗa da lambar sashi, lambar bayani, lambar layin, lambar kashi (haske, chromaticity, VF, tsawon tsangwala), adadi, da kuma kwanan wata.

5.2 Marufi Mai Kariya daga Laushi

Ana sanya ril a cikin jakar hana laushi tare da bushewa da katin nuna zafi, sannan a rufe. Ana ba da shawarar yanayin ajiya kafin buɗewa: ≤30°C da ≤75% RH, yana aiki na shekara 1 daga ranar rufewa. Bayan buɗewa, rayuwar bene tana da 168 hours a ≤30°C/≤60% RH. Idan rayuwar bene ta wuce, ana buƙatar yin baking a 60±5°C na ≥24 hours kafin amfani.

6. Jagororin Soldering & Haɗawa

Ana ba da shawarar tsarin reflow soldering bisa ga ma'aunin JEDEC. Maɓallan ma'auni: preheat daga 150°C zuwa 200°C na 60-120 seconds; haɓakar tashi ≤3°C/s; lokaci sama da 217°C (TL) ≤60 seconds; matsakaicin zazzabi 260°C na ≤10 seconds; rage zafi ≤6°C/s. Jimlar lokaci daga 25°C zuwa matsakaici ≤8 minutes. Aiki na reflow soldering bai kamata ya wuce sau biyu ba. Idan tazarar tsakanin reflows biyu ta wuce 24 hours, ana buƙatar baking don kauce wa lalacewar laushi.

Don soldering da hannu, yi amfani da ƙarfen soldering a ≤300°C na ≤3 seconds, kuma sau ɗaya kawai. Kada a yi amfani da matsi na injiniya yayin sanyaya.

7. Gwajin Dogaro & Ƙwarewa

LED ya ci gwajin dogaro na yau da kullun bisa ga ma'aunin JEDEC:

• Reflow soldering: 260°C, 10 sec, hawan keke 2 (0/1 kin yarda).
• Matsakaicin zafi: -40°C ↔ 100°C, hawan keke 100.
• Girgiza zafi: -40°C ↔ 100°C, hawan keke 300.
• Ajiya a yanayin zafi mai girma: 100°C na 1000 hours.
• Ajiya a yanayin zafi mai ƙaramin: -40°C na 1000 hours.
• Gwajin rayuwa: Ta=25°C, IF=5mA na 1000 hours.

Ma'aunin gazawa: VF > 1.1×USL, IR > 2.0×USL, haske<0.7×LSL.

8. La'akari da Tsarin Aikace-aikace

Don tabbatar da ingantacciyar aiki da dogaro, ya kamata a yi la'akari da abubuwan da ke gaba:

• Takaita yawan gaba:Koyaushe yi amfani da resistor a jeri don iyakance yawan gaba zuwa ≤20 mA. Canje-canje ƙanana a cikin ƙarfin na iya haifar da manyan canje-canje na yawan ba tare da daidaitaccen ballasting ba.
• Gudanar da Zafi:Samar da zafi yana rage ingancin haske da daidaiton launi. Ana ba da shawarar isasshen yankin jan ƙarfe na PCB da hanyoyin zafi. Zazzabin junction bai kamata ya wuce 95°C ba.
• Kariya daga Ƙarfin Baya:LED bai kamata a sanya shi ƙarƙashin ƙarfin baya sama da 5V ba. Yi amfani da ingantaccen tsarin direba don guje wa juyawar baya yayin sauyawa.
• Daidaitawa da Muhalli:Kauce wa fallasa ga mahadi na sulfur (>100 ppm), bromine (>900 ppm), chlorine (>900 ppm), da VOCs waɗanda za su iya lalata silicone encapsulant. Adhesives bai kamata ya fitar da tururin halitta ba.
• Kariya ta ESD:LED yana da matsayin ESD na 1000V (HBM). Yi amfani da ingantattun matakan sarrafa ESD yayin mu'amala da haɗawa.

9. Kwatanta da Samfura Makamantan

Babban bambancin wannan LED shine kusurwar gani mai fadi sosai (kusurwar rabin 140°), wanda ya fi fadi fiye da yawancin LEDs na 120°. Wannan ya sa ya dace don aikace-aikacen da ke buƙatar rarraba haske iri ɗaya ba tare da wuraren haske ba. Ƙaramin sawun 1.6×0.8 mm yana cikin mafi ƙanƙanta a masana'antar, yana ba da damar tsarin PCB mai yawa. Rarraba kashi na ƙarfin gaba yana ba da damar sarrafa amfani da wuta sosai, kuma rarraba kashi na ƙarfin haske yana tabbatar da daidaiton haske a cikin samar da yawa.

10. Tambayoyi Akai-akai

1. Menene matsakaicin zazzabin soldering?260°C na 10 seconds mafi girma. Ana iya yin reflow sau biyu.
2. Zan iya amfani da wannan LED tare da wutar 3.3V?Ee, amma ana buƙatar resistor a jeri don iyakance yawan zuwa ≤20 mA. Ƙarfin gaba a yanayin yau da kullun yana kusan 2.7-3.2V ya danganta da kashi.
3. Menene tsawon rayuwa na yau da kullun?Ƙarƙashin yanayin da aka ƙididdige (5mA, 25°C), LED na iya wuce shekaru 50,000; zafi mai girma ko yawan gaba mai yawa zai rage rayuwa.
4. Shin LED ya dace da solder marar gubar?Ee, matsakaicin zazzabi na 260°C ya dace da tsarin reflow marar gubar.
5. Yaya zan adana LEDs da ba a yi amfani da su ba?Ajiye a cikin jakar hana laushi da aka rufe a ≤30°C/≤75% RH. Yi amfani da shi cikin shekara 1. Bayan buɗewa, ɗora shi cikin 168 hours ko kuma a yi baking kafin amfani.

11. Nazarin Aikace-aikace na Aiki

Yi la'akari da ƙaramin panel mai nuni mai LEDs 10. Ana tura kowane LED a 5 mA daga wutar 5V. Yin amfani da VF na yau da kullun na 3.0V (kashi H1), resistor da ake buƙata shine (5-3)/0.005 = 400 Ω. Tare da kusurwar gani na 140°, ana iya ganin nuni daga kusurwa mai fadi. Ƙaramin kayan shigarwa na 1.6×0.8 mm yana ba da damar sanyawa a kan tsararrun tazara na 0.5 mm. Tsarin haske mai fadi yana tabbatar da daidaiton haske a duk faɗin panel ba tare da ƙarin diffusers ba.

12. Ka'idar Aiki

Wannan LED fari yana dogara ne akan blue chip na InGaN (Indium Gallium Nitride) wanda ke fitar da haske a kusan 450-460 nm. Hasken shuɗi yana motsa phosphor mai fitar da rawaya (yawanci YAG:Ce) wanda ke canza ɓangaren hasken shuɗi zuwa bakan rawaya mai fadi. Haɗin hasken shuɗi da rawaya yana samar da haske fari tare da zafin launi mai alaƙa yawanci a cikin kewayon 5000-7000 K. Phosphor yana haɗuwa da silicone encapsulant wanda kuma yake aiki azaman ruwan tabarau don siffata hasken.

13. Hanyoyin Fasaha

Masana'antar LED tana ci gaba da tura zuwa ga inganci mafi girma, ƙaramin kayan shigarwa, da daidaiton launi mafi kyau. Wannan samfurin yana bin yanayin ƙaramar da ta dace da na'urorin lantarki na masu amfani. Hanyoyin gaba na iya haɗawa da kayan shigarwa na ma'auni na chip (CSP) da haɗin phosphor-on-chip don ƙara rage girman da inganta aikin zafi. Bugu da ƙari, phosphors na ci gaba za su ba da damar CRI mafi girma da daidaita zafin launi.