Bayanin Fasaha na Fitilar LED Mai Kauri T-1 3mm Mai Watsa Haske Kori - Girman Kunshin 3.0mm Dia. - Karfin Wutar Gaba 2.6V - Ragewar Wutar Lantarki 78mW - Takardar Fasaha ta Turanci

1. Bayanin Samfur

Wannan takarda ta yi cikakken bayani game da ƙayyadaddun bayanai na fitilar LED mai ƙarfi, mai watsa haske kori a cikin sanannen kunshin T-1 (diamita 3mm) ta hanyar rami. An ƙera shi don aikace-aikacen nuna alama na gabaɗaya, wannan kayan yana ba da faɗin kusurwar kallo da ingantaccen aiki a cikin ƙaƙƙarfan tsarin masana'antu. Ya bi ka'idojin RoHS, yana nuna cewa ba shi da abubuwa masu haɗari kamar gubar (Pb). Ana siffanta na'urar da zaɓaɓɓen mafi ƙarancin ƙarfin haske, yana tabbatar da matakin haske na tushe don daidaitaccen aikin aikace-aikace.

2. Bincike Mai Zurfi na Sigogi na Fasaha

2.1 Matsakaicin Matsakaicin Ƙimar

Ana ayyana iyakokin aiki na na'urar a yanayin zafin muhalli (T_A) na 25°C. Wucewa waɗannan ƙimar na iya haifar da lalacewa na dindindin.

• Ragewar Wutar Lantarki (P_D):78 mW matsakaici. Wannan shine jimillar wutar lantarki da na'urar za ta iya watsawa cikin aminci a matsayin zafi.
• Ci gaba da Halin Gaba (I_F):30 mA matsakaici a ƙarƙashin yanayin DC.
• Matsakaicin Halin Gaba: mA maximum, permissible only under pulsed conditions with a 1/10 duty cycle and 0.1ms pulse width to prevent overheating.
• Derating:The maximum continuous forward current must be linearly reduced by 0.4 mA for every degree Celsius above 50°C ambient temperature.
• Reverse Voltage (V_R):5 V matsakaici. Yin amfani da mafi girman ƙarfin wutar lantarki na baya na iya rushe haɗin LED.
• Yankin Aiki & Ajiya Zafin Jiki:-55°C zuwa +100°C.
• Zafin Solder na Jagora:260°C na matsakaicin dakika 5, ana auna shi a wuri mai nisan 2.0mm (0.078\") daga jikin LED.

2.2 Halayen Lantarki & Gani

Ana ƙayyade aikin yau da kullun a T_A=25°C. Duk ƙimar suna ƙarƙashin ƙimar ƙira.

• Ƙarfin Haske (I_V):Ya bambanta daga 25 mcd (matsakaici) zuwa 85 mcd (matsakaici), tare da ƙimar yau da kullun na 38 mcd lokacin da aka motsa shi a halin gaba (I_F) na 10mA. Aunin yana amfani da firikwensin / tacewa wanda ya kusanci lanƙwasa amsawar ido na CIE photopic. Yakamata a yi amfani da jurewar ±15% ga ƙimar ƙarfin da aka tabbatar.
• Kusurwar Dubawa (2θ_1/2):Digiri 85. Wannan shine cikakken kusurwar da ƙarfin haske ya ragu zuwa rabin ƙimar axial (a tsakiya), halayen ruwan tabarau mai watsawa don ganin faɗin kusurwa.
• Matsakaicin Tsawon Tsawon Watsawa (λ_P):565 nm.
• Matsakaicin Tsawon Tsawon (λ_d):Ya bambanta daga 565 nm (matsakaici) zuwa 575 nm (matsakaici), tare da ƙimar yau da kullun na 570 nm. Wannan shine tsawon raƙuman ruwa guda ɗaya da idon ɗan adam ya gane don ayyana launi, wanda aka samo daga zanen chromaticity na CIE.
• Rabin Faɗin Layin Bakan (Δλ):30 nm (na yau da kullun). Wannan yana nuna tsaftar bakan ko faɗin band na hasken kori da aka fitar.
• Ƙarfin Wutar Gaba (V_F):2.6V matsakaici a I_F= 20mA, tare da ƙimar yau da kullun na 2.1V.
• Halin Baya (I_R):100 µA matsakaici a V_R= 5V.
• Ƙarfin Ƙarfi (C):35 pF na yau da kullun, ana auna shi a sifili bias (V_F=0) da mitar 1 MHz.

3. Bayanin Tsarin Rarrabawa

Ana rarraba samfurin zuwa kwandon kwandon bisa mahimman sigogi na gani don tabbatar da daidaito a cikin aikace-aikace. An ba da teburin rarrabawa daban-daban guda biyu, mai yiyuwa don tsarin kayan semiconductor daban-daban (AllnGaP don Yellow/Green da InGaN don Blue), tare da wannan takamaiman ɓangaren ya faɗi ƙarƙashin ƙayyadaddun bayanai na kori.

3.1 Rarrabawar Ƙarfin Haske

Ga kayan da suka dace, ana rarraba ƙarfi a I_F= 10mA. Lambobin kwandon suna kewayo daga 3Z (25-30 mcd) zuwa D (65-85 mcd). Jurewar daidaiton aunawa shine ±15%.

3.2 Rarrabawar Tsawon Tsawon

Ana rarraba tsawon raƙuman ruwa a matakai 1-3 nm. Lambobin kwandon suna kewayo daga H05 (565.0-566.0 nm) zuwa H09 (572.0-575.0 nm), tare da jurewar aunawa na ±1 nm. Wannan yana ba da damar zaɓin launi daidai.

4. Bincike na Lanƙwasa Aiki

Bayanin bayanin yana nufin lanƙwasa halaye na yau da kullun (misali, ƙarfin haske dangi vs. halin gaba, ƙarfin wutar lantarki na gaba vs. zafin jiki, rarraba bakan). Waɗannan zane-zane suna da mahimmanci ga injiniyoyin ƙira don fahimtar halayen da ba na layi ba, kamar yadda fitar da haske da raguwar ƙarfin wutar lantarki ke canzawa tare da motsa halin yanzu da zafin muhalli, yana ba da damar mafi kyawun ƙirar kewayawa don inganci da tsawon rai.

5. Bayanin Injiniya & Kunshi

5.1 Girman Kunshi

Na'urar tana amfani da daidaitaccen kunshin T-1 (diamita 3mm) mai zagaye tare da ruwan tabarau mai watsawa. Muhimman bayanan girma sun haɗa da: duk girma a cikin mm (inci), jurewar gabaɗaya na ±0.25mm, matsakaicin tsawaitawar guduro a ƙarƙashin flange na 1.0mm, da tazarar jagora da aka auna a wurin fita na kunshi.

5.2 Gano Polarity

Ga LED ta hanyar rami, ana gano cathode ta hanyar wuri mai lebur a gefen ruwan tabarau, gajeriyar jagora, ko wasu alama. Yakamata a tabbatar da takamaiman hanyar ganewa daga zanen kunshi da aka ambata a cikin bayanin bayanin.

6. Jagororin Solder & Taro

6.1 Samuwar Jagora

Dole ne a yi lanƙwasa a yanayin zafin ɗaki, kafin solder, a wuri aƙalla 3mm daga gindin ruwan tabarau na LED. Kada a yi amfani da tushen leadframe a matsayin fulcrum don guje wa damuwa akan haɗin gwiwar ciki.

6.2 Tsarin Solder

Solder na Hannu (Ƙarfe):Matsakaicin zafin jiki 300°C na matsakaicin dakika 3 kowace jagora.Solder Wave:Yi pre-heat zuwa matsakaicin 100°C har zuwa dakika 60, sannan kuma a biye da igiyar solder a matsakaicin 260°C har zuwa dakika 5. Dole ne a kiyaye mafi ƙarancin sharewa na 3mm daga gindin ruwan tabarau zuwa wurin solder. Dole ne a guji tsoma ruwan tabarau cikin solder don hana epoxy wicking. An bayyana IR reflow a sarari a matsayin wanda bai dace da wannan samfurin ta hanyar rami ba.

6.3 Ajiya & Tsaftacewa

Don ajiya, yanayin muhalli bai kamata ya wuce 30°C ko 70% zafi ba. LED da aka cire daga ainihin kunshi yakamata a yi amfani da su cikin watanni uku. Don ajiya mai tsawo, yi amfani da akwati mai rufi tare da desiccant. Yakamata a yi tsaftacewa tare da kaushi na barasa kamar isopropyl alcohol.

7. Bayanin Kunshi & Oda

Matsakaicin adadin kunshi shine 1000, 500, 200, ko 100 guda kowace jakar anti-static. Ana kunna jakunkuna goma a cikin akwati na ciki (jimlar 5000 pcs). Ana kunna akwatunan ciki takwas a cikin akwatin jigilar kaya na waje (jimlar 40,000 pcs). Kunshi na ƙarshe a cikin kayan jigilar kaya na iya zama kunshi mara cikakke.

8. Shawarwari na Aikace-aikace

8.1 Amfani da Aniyar & Gargaɗi

An yi nufin wannan LED don kayan aikin lantarki na yau da kullun (ofis, sadarwa, gida). Ba a ba da shawarar aikace-aikacen mahimmanci na aminci (jirgin sama, likita, sarrafa sufuri) ba tare da tuntubar farko ba, saboda gazawar na iya haifar da rayuwa ko lafiya.

8.2 Ƙirar Kewayen Motsa jiki

LEDs na'urori ne masu aiki da halin yanzu. Don tabbatar da daidaiton haske lokacin haɗa LED da yawa a layi daya, dole ne a yi amfani da resistor mai iyakancewa halin yanzu a jere tare dakowaneLED (Samfurin Kewayen A). Haɗa LED kai tsaye a layi daya (Samfurin Kewayen B) ba a ba da shawara ba saboda bambance-bambance a cikin ƙarfin wutar lantarki na gaba (V_F), wanda zai haifar da rarraba halin yanzu mara daidaituwa da haske daban-daban.

8.3 Kariya daga Zubar da Wutar Lantarki (ESD)

LED yana da saukin lalacewa daga wutar lantarki. Matakan rigakafin sun haɗa da: yin amfani da bel ɗin wuyan hannu da tashoshi na aiki masu ƙasa, yin amfani da masu busa ion don daidaita tsaye a saman ruwan tabarau, da sarrafa na'urori a cikin yanayin aminci na ESD.

9. Kwatancen Fasaha & Bambance-bambance

Babban fa'idodin wannan na'urar a cikin ajinta sun haɗa da ƙarfinsa mai ƙarfi don kunshin T-1 mai watsawa, faɗin kusurwar kallo na digiri 85 don faɗin ganuwa, da bin ka'idojin RoHS. Samar da cikakkun teburin rarrabawa don duka ƙarfi da tsawon raƙuman ruwa yana ba da damar sarrafa ƙira mai ƙarfi idan aka kwatanta da madadin da ba a rarraba ba ko kuma an ƙayyade su a sako-sako da sako-sako, wanda yake da mahimmanci ga aikace-aikacen da ke buƙatar daidaiton launi ko haske a cikin alamomi da yawa.

10. Tambayoyin da ake yawan yi (FAQ)

Q: Menene bambanci tsakanin tsawon raƙuman ruwa mai kololuwa da tsawon raƙuman ruwa mai rinjaye?

A: Tsawon raƙuman ruwa mai kololuwa (λ_P) shine wurin mafi girman ƙarfi a cikin bakan fitarwa. Tsawon raƙuman ruwa mai rinjaye (λ_d) shine tsawon raƙuman ruwa guda ɗaya da idon ɗan adam ya gane launin ya zama, wanda aka lissafta daga madaidaitan launi. λ_dya fi dacewa da aikace-aikacen nuna launi.

Q: Zan iya motsa wannan LED a 30mA ci gaba?

A: Ee, amma kawai a ko ƙasa da yanayin zafin muhalli na 50°C. Sama da 50°C, dole ne a rage halin yanzu da 0.4mA/°C. A 80°C, alal misali, matsakaicin halin yanzu na ci gaba zai zama 30mA - (0.4mA * (80-50)) = 18mA.

Q: Me yasa resistor na jere ya zama dole ga kowane LED a layi daya?

A: Ƙarfin wutar lantarki na gaba (V_F) na LED yana da bambancin yanayi. Ba tare da resistors ɗin mutum ɗaya ba, LED masu ƙaramin V_Fza su ja mafi yawan halin yanzu, suna zama masu haske kuma mai yuwuwa sun yi zafi, yayin da waɗanda ke da mafi girma V_Fza su yi duhu. Resistor ya mamaye ƙa'idar halin yanzu, yana rage tasirin V_F differences.

11. Nazarin Shari'ar Ƙira mai Aiki

Yanayi:Ƙirar panel tare da alamun matsayi na kori guda 10 masu daidaitaccen haske waɗanda aka kunna ta hanyar layin dogo na 5V.

Matakan Ƙira:

1. Zaɓi LED daga kwandon ƙarfi ɗaya (misali, Kwandon B: 38-50 mcd) don daidaito.

2. Ƙayyade halin motsa jiki. Don kyakkyawan haske da tsawon rai, zaɓi I_F= 10mA.

3. Lissafa resistor na jere. Yin amfani da V na yau da kullun_F= 2.1V a 10mA: R = (V_wadata- V_F) / I_F= (5V - 2.1V) / 0.01A = 290 Ω. Yi amfani da mafi kusancin ƙimar daidaitaccen (misali, 300 Ω).

4. Lissafa wutar lantarki resistor: P = I²* R = (0.01)²* 300 = 0.03W. Daidaitaccen resistor 1/8W (0.125W) ya isa.

5: Aiwatar: Yi amfani da kewayen daidai guda goma, kowannensu yana da LED ɗaya da resistor 300Ω ɗaya da aka haɗa tsakanin layin dogo na 5V da ƙasa.

Wannan hanya tana tabbatar da daidaiton haske ba tare da la'akari da ƙananan V ba_Fbambance-bambance tsakanin LED 10.

12. Gabatarwar Ka'idar Aiki

Fitilar Fitila (LED) na'urar haɗin gwiwar semiconductor p-n ce. Lokacin da aka yi amfani da ƙarfin wutar lantarki na gaba wanda ya wuce kofar sa, electrons da ramuka suna sake haɗuwa a haɗin gwiwar, suna sakin makamashi a cikin nau'in photons (haske). Launi na hasken da aka fitar ana ƙaddara shi ta hanyar makamashin bandgap na kayan semiconductor da aka yi amfani da su. A wannan yanayin, tsarin kayan yana samar da photons a cikin bakan kori (~565-575 nm). Ruwan tabarau na epoxy mai watsawa yana watsa hasken, yana haifar da faɗin kusurwar kallo.

13. Trends na Fasaha

Fitilar LED ta hanyar rami ta kasance babban abu don ƙirar ƙira, kayan koyarwa, da aikace-aikacen da ke buƙatar taron hannu ko babban aminci a cikin mawuyacin yanayi inda ake fifita solder wave. Duk da haka, yanayin masana'antu, yana ƙwarai zuwa ga kunshin na'urar haɗawa da saman (SMD) don manyan kayan lantarki saboda ƙananan girman su, dacewa don haɗawa da zaɓi da wuri mai sarrafa kansa, da shimfidar PCB mafi girma. Ci gaba yana ci gaba a cikin kayan (inganta inganci da gamut launi) da kunshi (haɓaka sarrafa zafi don mafi girman wutar lantarki).