Bayanin Fasaha na LED SMD 17-21/T1D-CP2R1TY/3T - Farin Tsantsa - 2.6-3.0V - 40mW - Takardar Fasaha ta Hausa

1. Bayanin Samfur

LED SMD 17-21 ƙaramin na'ura ne da aka tsara don haɗaɗɗun na'urorin lantarki. Babban fa'idarsa ita ce ta rage girman wurin da ake buƙata idan aka kwatanta da na'urorin da ke da igiyoyi na gargajiya, wanda ke ba da damar ƙirar allon lantarki (PCB) mafi ƙanƙanta, ƙara yawan na'urorin da za a iya haɗawa, kuma a ƙarshe yana taimakawa wajen rage girman kayan aiki. Na'urar tana da nauyi mai sauƙi, wanda ya sa ta dace musamman da aikace-aikacen da sarari da nauyi suke da matuƙar muhimmanci.

Wannan LED nau'in launi ɗaya ne, yana fitar da farin haske mai tsantsa, kuma an gina shi da resin mai shuɗi mai watsawa. Ya bi ka'idojin muhalli da aminci masu mahimmanci, ciki har da rashin gubar (Pb-free), ya bi ka'idar RoHS, ya bi ka'idar EU REACH, kuma ba shi da halogen (tare da Bromine <900 ppm, Chlorine <900 ppm, da Br+Cl < 1500 ppm). Ana samar da samfurin a cikin tef ɗin daidaitaccen masana'antu na 8mm akan reels masu diamita 7-inch, yana tabbatar da dacewa da kayan haɗin kai da sarrafawa ta atomatik da kuma daidaitattun hanyoyin siyar da infrared ko tururi.

2. Zurfin Binciken Sigogi na Fasaha

2.1 Iyakokin Ƙididdiga na Cikakke

Waɗannan ƙididdiga suna ayyana iyakokin da bayansu lalacewa ta dindindin na iya faruwa ga na'urar. Ba a ba da garantin aiki a ƙarƙashin ko a waɗannan yanayin ba.

• Ƙarfin Lantarki na Baya (V_R): 5V. Muhimmin Bayanin Kula:An ayyana wannan sigar don yanayin gwajin infrared (IR) kawai. Ba a tsara LED don aiki a ƙarƙashin ƙarfin lantarki na baya ba.
• Ƙarfin Lantarki na Gaba (I_F):10 mA (ci gaba).
• Ƙarfin Lantarki na Gaba na Kololuwa (I_FP):100 mA, ana iya yarda da shi kawai a ƙarƙashin yanayin bugun jini tare da cikakken aiki na 1/10 a 1 kHz.
• Rushewar Wutar Lantarki (P_d):40 mW. Wannan shine matsakaicin ikon da fakitin zai iya watsawa azaman zafi.
• Fitowar Lantarki ta Electrostatic (ESD) Tsarin Jikin Mutum (HBM):150V. Yana da mahimmanci a kiyaye daga lantarki a lokacin sarrafawa.
• Zazzabi na Aiki (T_opr):-40°C zuwa +85°C.
• Zazzabi na Ajiya (T_stg):-40°C zuwa +90°C.
• Zazzabin Siyayya (T_sol):Siyayyar sake dawowa: 260°C kololuwa na dakika 10. Siyayyar hannu: 350°C na dakika 3 matsakaici.

2.2 Halayen Lantarki da Hasken Gani

Ana auna waɗannan sigogi a yanayin zafin yanayi (T_a) na 25°C kuma suna ayyana matsakaicin aikin na'urar.

• Ƙarfin Hasken Gani (I_v):Ya bambanta daga mafi ƙanƙanta na 57.0 mcd zuwa mafi girma na 140.0 mcd a ƙarfin lantarki na gaba (I_F) na 5 mA. Matsakaicin kusurwar kallo (2θ_1/2) shine digiri 150.
• Ƙarfin Lantarki na Gaba (V_F):Ya bambanta daga 2.6V zuwa 3.0V a I_F= 5 mA.
• Ƙarfin Lantarki na Baya (I_R):Matsakaicin 50 μA lokacin da aka yi amfani da ƙarfin lantarki na baya (V_R) na 5V (yanayin gwaji kawai).

Muhimman Tolerances:Ƙarfin hasken gani yana da tolerance na ±11%, kuma ƙarfin lantarki na gaba yana da tolerance na ±0.05V daga ƙimar cibiyar kwandon shara.

3. Bayanin Tsarin Rarrabuwa

Don tabbatar da daidaiton aiki a cikin samarwa, ana rarraba LED zuwa kwandon shara bisa mahimman sigogi.

3.1 Rarrabuwar Ƙarfin Hasken Gani

Ana rarraba LED zuwa kwandon shara huɗu (P2, Q1, Q2, R1) bisa ga ƙarfin hasken gani da aka auna a I_F= 5 mA.

• P2:57.0 - 72.0 mcd
• Q1:72.0 - 90.0 mcd
• Q2:90.0 - 112.0 mcd
• R1:112.0 - 140.0 mcd

3.2 Rarrabuwar Ƙarfin Lantarki na Gaba

Hakanan ana rarraba LED ta ƙarfin lantarki na gaba a I_F= 5 mA zuwa lambobi huɗu (28, 29, 30, 31).

• 28:2.6 - 2.7V
• 29:2.7 - 2.8V
• 30:2.8 - 2.9V
• 31:2.9 - 3.0V

3.3 Rarrabuwar Matsayin Launi

Ana sarrafa daidaiton launi ta hanyar rarrabuwa bisa ga ma'aunin launi na CIE 1931 (x, y) tare da tolerance na ±0.01. Takardar bayanin ta ayyana takamaiman kwandon shara huɗu (1, 2, 3, 4), kowanne yana ƙayyadadden yanki mai siffar huɗu akan zanen CIE don tabbatar da cewa farin hasken da aka fitar ya faɗi cikin sararin launi da aka sarrafa sosai.

4. Binciken Lankwasa na Aiki

Takardar bayanin ta ƙunshi lankwasai masu yawa waɗanda ke nuna halayen na'urar a ƙarƙashin yanayi daban-daban. Waɗannan suna da mahimmanci ga ƙirar da'ira da sarrafa zafi.

• Ƙarfin Lantarki na Gaba da Ƙarfin Lantarki na Gaba (Lankwasa I-V):Yana nuna alaƙar ma'auni. Ƙaramin ƙaruwa a cikin ƙarfin lantarki bayan madaidaicin madaidaicin yana haifar da babban ƙaruwa a cikin ƙarfin lantarki, yana nuna buƙatar da'irar iyakance ƙarfin lantarki.
• Matsakaicin Ƙarfin Hasken Gani da Ƙarfin Lantarki na Gaba:Yana nuna yadda fitowar haske ke ƙaruwa tare da ƙarfin lantarki, yawanci a cikin tsari kusa da layi a cikin kewayon aiki kafin yuwuwar jikewa ko raguwar inganci.
• Matsakaicin Ƙarfin Hasken Gani da Zazzabin Yanayi:Yana nuna mummunan ma'aunin zafi na fitowar haske. Ƙarfin hasken gani yana raguwa yayin da zafin haɗin gwiwa ya tashi, wanda shine mahimmin la'akari don aikace-aikacen ingantaccen aminci ko babban zafi.
• Lankwasa Rage Ƙarfin Lantarki na Gaba:Yana ƙayyadadden matsakaicin ƙarfin lantarki na gaba na ci gaba da aka yarda da shi azaman aikin zafin yanayi. Yayin da zafin jiki ya ƙaru, dole ne a rage matsakaicin ƙarfin lantarki don ci gaba da kasancewa cikin iyakokin watsawar wutar lantarki da hana yin zafi.
• Tsarin Radiation:Zanen polar da ke nuna rarraba ƙarfin haske na kusurwa, yana tabbatar da faɗin kusurwar kallo na digiri 150.
• Rarraba Spectrum:Jadawali da ke tsara matsakaicin ƙarfi da tsawon zango, yana siffanta abun ciki na hasken \"farin tsantsa\" da aka fitar.

5. Bayanin Injiniya & Fakitin

5.1 Girman Fakitin

LED yana da ƙaramin ƙafar SMD. Zanen ya ƙayyade mahimman girma ciki har da tsawon jiki, faɗi, da tsayi, da kuma shimfidar kafet ɗin siyar da tazara. Ana nuna alamar cathode a sarari akan fakitin don daidaitaccen alkiblar polarity yayin haɗawa. Duk tolerances da ba a bayyana ba ±0.1 mm ne.

5.2 Reel, Tef, da Fakitin Mai Sensitive na Danshi

Ana samar da na'urar a cikin tsarin fakitin da ba shi da danshi. Muhimman abubuwa sun haɗa da:

• Tef ɗin Carrier:Yana riƙe da abubuwan. An ba da girma don girman aljihu, tazara, da faɗin tef. Kowace reel tana ƙunshe da guda 3000.
• Girman Reel:Ƙayyadaddun bayanai don reel mai diamita 7-inch, ciki har da diamita na cibiya, diamita na flange, da faɗi.
• Jakar Shinge na Danshi (MBB):Ana rufe reel a cikin jakar aluminum mai hana danshi tare da desiccant da katin nuna danshi don kare LED daga danshin yanayi, wanda suke da hankali game da shi.
• Bayanin Alama:Alamar fakitin ta haɗa da lambobi don Lambar Sashi (P/N), yawa (QTY), da takamaiman kwandon shara don Ƙarfin Hasken Gani (CAT), Launi (HUE), da Ƙarfin Lantarki na Gaba (REF).

6. Jagororin Siyayya & Haɗawa

6.1 Muhimman Abubuwan Kula

• Kariya daga Wuce Gona da Irin Ƙarfin Lantarki:Resistor mai iyakance ƙarfin lantarki na wajewajibi ne. Halayen I-V na ma'auni na LED yana nufin ƙaramin ƙaruwa a cikin ƙarfin lantarki na iya haifar da haɓakar ƙarfin lantarki mai lalacewa.
• Ajiya:Jakar tana da hankali ga danshi (MSL). Kada ku buɗe har sai an shirya don amfani. Bayan buɗewa, yi amfani da shi cikin sa'o'i 168 (kwanaki 7) a cikin yanayi na ≤30°C da ≤60% RH. Dole ne a sake rufe sassan da ba a yi amfani da su ba. Idan an wuce lokacin bayyanawa ko desiccant ya nuna danshi, ana buƙatar gasa a 60 ±5°C na awanni 24 kafin sake dawowa.
• Siyayya:Bi bayanin martaba na rashin gubar (kololuwa 260°C). Kada a yi sake dawowa fiye da sau biyu. Guji matsin lamba na injiniya akan LED yayin dumama kuma kada ku karkatar da PCB bayan siyar.

7. Shawarwarin Aikace-aikace

7.1 Matsayin Aikace-aikace na Yau da Kullun

LED SMD 17-21 yana da fa'ida kuma ya dace da ayyuka daban-daban na ƙaramin ƙarfi na nuni da hasken baya.

• Cikin Motoci:Hasken baya don kayan aikin dashboard, maɓalli, da kuma allunan sarrafawa.
• Kayan Aikin Sadarwa:Alamomin matsayi da hasken baya na maɓalli a cikin wayoyi da na'urorin faks.
• Kayan Lantarki na Masu Amfani:Hasken baya mai lebur don ƙananan nunin LCD, hasken maɓalli, da hasken alama.
• Nuni na Gabaɗaya:Duk wani aikace-aikacen da ke buƙatar ƙaramin, amintacce, da farin nuni mai haske.

7.2 Abubuwan La'akari na Ƙira

• Ƙarfin Lantarki na Gaba:Koyaushe yi amfani da resistor na jerin ko direban ƙarfin lantarki na yau da kullun da aka saita don ≤10 mA ci gaba da ƙarfin lantarki. Ƙididdige ƙimar resistor bisa ga ƙarfin lantarki na wadata (V_cc), kwandon ƙarfin lantarki na gaba na LED (V_F), da ƙarfin lantarki da ake so (I_F): R = (V_cc- V_F) / I_F.
• Gudanar da Thermal:Ko da yake ƙaramin ƙarfi, tabbatar da isasshen jan ƙarfe na PCB ko taimakon zafi idan ana aiki kusa da matsakaicin ƙididdiga ko a cikin babban zafin yanayi. Duba lankwasa rage ƙimar.
• Ƙirar Gani:Faɗin kusurwar kallo na digiri 150 yana ba da kyakkyawar hangen nesa daga gefe. Don haske mai mai da hankali, ana iya buƙatar na'urar gani ta biyu (ruwan tabarau).
• Kariya daga ESD:Aiwatar da daidaitattun hanyoyin sarrafa ESD yayin haɗawa, saboda na'urar tana da hankali ga fitar da lantarki.

8. Kwatancen Fasaha & Bambance-bambance

LED 17-21 yana ba da fa'idodi daban-daban a cikin ajinsa:

• Girman Girma da Abokan Gaba na Jagora:Babban fa'idarsa ita ce rage girman sararin allon idan aka kwatanta da LED na rami (misali, LED 3mm ko 5mm), yana ba da damar zamani, ƙirar ƙanƙanta.
• Dacewa:Cikakkiyar dacewa tare da layukan haɗin kai na SMT yana rage farashin masana'antu kuma yana inganta aminci idan aka kwatanta da shigar da hannu.
• Yin Biyayya ga Muhalli:Kasancewa mara gubar, Ba tare da Halogen ba, kuma ya bi ka'idodin RoHS/REACH yana cika ƙa'idodin ƙa'idodin duniya masu tsauri, wanda ƙila ba gaskiya ba ne ga duk tsofaffin ko na gaba ɗaya na LED.
• Rarrabuwa:Cikakken kwandon shara don ƙarfi, ƙarfin lantarki, da launi yana ba da damar daidaita launi da haske a cikin aikace-aikacen da ke buƙatar daidaito a cikin LED masu yawa, babban abin banbancewa daga sassan da ba a kwandon shara ba ko sassan da ba a kwandon shara ba.

9. Tambayoyin da ake yawan yi (Bisa ga Sigogi na Fasaha)

Q: Zan iya tuka wannan LED kai tsaye daga wadata na dabaru na 3.3V ko 5V?

A: A'a. Dole ne ku yi amfani da resistor mai iyakance ƙarfin lantarki na jerin. Idan ba tare da shi ba, ƙarfin lantarki na gaba shine kawai ~2.8V, don haka haɗa 3.V kai tsaye zai haifar da ƙarfin lantarki mai yawa, mai yuwuwar lalata LED nan take.

Q: Me ya sa ƙimar ƙarfin lantarki na baya kawai 5V, kuma me \"don gwajin IR kawai\" ke nufi?

A: Wannan LED, kamar yawancinsu, diode ne mai ƙaramin ƙarfin lantarki na baya. Ƙimar 5V ita ce matsakaicin abin da zai iya jurewa yayin gwajin ingancin inganci ba tare da lalacewa ba. Anbatsara shi don aiki a cikin ƙarfin lantarki na baya a cikin da'ira. Koyaushe tabbatar da daidaitaccen polarity.

Q: Ta yaya zan fassara kwandon shara na ƙarfin hasken gani (P2, Q1, da sauransu)?

A> Waɗannan lambobin suna ba ku damar zaɓar LED tare da garantin mafi ƙanƙanta haske don ƙirar ku. Misali, ƙayyadadden kwandon shara R1 yana tabbatar da cewa kowane LED zai kasance tsakanin 112 da 140 mcd a 5mA, yana ba da aikin da ake iya hasashen.

Q: Umarnin ajiya suna da tsauri. Me zai faru idan na wuce rayuwar bene na kwanaki 7?

A> LED SMD na iya ɗaukar danshi daga iska. Yayin siyar da sake dawowa, wannan danshin da aka kama zai iya yin tururi cikin sauri, yana haifar da rabuwar ciki ko \"popcorning,\" wanda ke fashe fakitin kuma ya lalata na'urar. Gasasshen yana fitar da wannan danshi, yana maido da yanayi mai aminci don sake dawowa.

10. Harka na Ƙira na Aiki

Matsayin:Ƙirar allon nuna matsayi tare da fararen LED 10 da aka kunna daga layin 5V. Daidaiton haske yana da mahimmanci.

Matakan Ƙira:

1. Zaɓi Kwandon Shara:Zaɓi LED daga kwandon shara ɗaya na ƙarfin hasken gani (misali, Q2: 90-112 mcd) da kwandon shara na launi don tabbatar da daidaiton gani.
2. Ƙididdige Resistor Mai Iyakance Ƙarfin Lantarki:Yi amfani da mafi munin V_Fdaga kwandon shara. Don kwandon shara 30 (2.8-2.9V), yi amfani da V_F(max)= 2.9V don ƙira mai ra'ayin mazan jiya. Manufa I_F= 8 mA (ƙasa da matsakaicin 10 mA don gefe).
   
   R = (5V - 2.9V) / 0.008A = 262.5 Ω. Zaɓi mafi kusancin ƙimar daidaitaccen, 270 Ω.
   
   Ƙididdige ainihin ƙarfin lantarki: I_F= (5V - 2.8V) / 270 Ω ≈ 8.15 mA (ta amfani da V_F(min)). Wannan yana da aminci kuma yana cikin yanayin gwajin kwandon shara na 5mA.
3. Shimfidawa:Sanya LED akan PCB tare da daidaitaccen polarity (alamar cathode). Tabbatar cewa kafet ɗin PCB sun dace da shimfidar ƙasa da aka ba da shawarar daga zanen girma don guje wa kabari ko ƙananan haɗin gwiwa.
4. Haɗawa:Bi hanyoyin sarrafa danshi. Shirya tanda na sake dawowa zuwa bayanin martaba na rashin gubar tare da kololuwa na 260°C.
5. Sakamako:Allon nuni mai aminci, mai daidaitaccen haske tare da sarrafa ƙarfin lantarki da ingantaccen haɗin gwiwar zafi/na'ura.

11. Ka'idar Aiki

LED 17-21 tushen haske ne mai ƙarfi wanda ya dogara da guntu na semiconductor. Babban abu shine Indium Gallium Nitride (InGaN), wanda ke da ikon fitar da haske a cikin bakan shuɗi/ultraviolet. Don samar da farin haske, an lulluɓe guntu da Layer na phosphor mai rawaya (wanda ke cikin fakitin resin mai watsawa mai rawaya). Lokacin da guntu ya fitar da hasken shuɗi, wani ɓangare na shi yana sha ta hanyar phosphor kuma ana sake fitar da shi azaman hasken rawaya. Haɗuwar sauran hasken shuɗi da hasken rawaya da aka canza idon ɗan adam yana ganinsa azaman fari. Wannan fasahar ana kiranta da LED farin da aka canza phosphor.

12. Trends na Fasaha

Siffar 17-21 tana wakiltar matakin balagagge a cikin ci gaban LED SMD. Halayen masana'antu na yanzu masu dacewa da irin waɗannan abubuwan sun haɗa da:

• Ƙara Ingantaccen Aiki:Ci gaba da inganta fasahar guntu na InGaN da tsarin phosphor yana haifar da mafi girman ingancin haske (ƙarin fitowar haske a kowace watt na lantarki), yana ba da damar rage ƙarfin lantarki ko fitowar haske mai haske daga fakitin ɗaya.
• Ingancin Launi:Ci gaba yana mai da hankali kan inganta Ma'aunin Fitar da Launi (CRI) da kuma samun madaidaicin madaidaicin wuraren launi (ƙananan kwandon shara na launi) don ingantaccen nuni da aikace-aikacen haske.
• Ƙananan Girma:Yayin da 17-21 ya riga ya yi ƙanƙanta, tuƙi don ƙananan kayan lantarki na masu amfani yana ci gaba da tura ƙarin ƙananan fakitin LED (misali, girman awo na 0402, 0201) tare da kiyaye ko ingantaccen aiki.
• Haɗin kai:Yanayin zuwa haɗa guntu LED masu yawa, resistors masu iyakance ƙarfin lantarki, ko ma ICs na sarrafawa zuwa cikin na'urar haɗin gwiwa ɗaya don sauƙaƙe ƙirar da'ira da adana sararin allon.