Takaddun Bayani na LED Ja 2.0x1.25x0.7mm SMD - 625-640nm - 1.8-2.4V - 20mA - 72mW - Takardun Fasaha

1. Bayani na Samfurin

RF-RUB170TS-BD wani LED ja ne mai hawa sama da ƙasa (surface-mount) wanda aka ƙera don amfani da nuni da nunawa gaba ɗaya. An yi shi da guntu ja mai inganci kuma ya zo a cikin kumburi mai girman 2.0mm x 1.25mm x 0.7mm. Wannan LED yana ba da kusurwar kallo mai faɗi sosai na 140°, yana mai dacewa da aikace-aikacen da ke buƙatar rarraba haske mai faɗi. Yana dacewa da haɗa SMT na yau da kullun da aikin reflow, kuma ya cika buƙatun RoHS. Matsayin hankali na danshi ya kai mataki na 3, yana buƙatar kulawa da ajiya daidai don hana sha danshi.

2. Fassara Ma'auni na Fasaha

2.1 Halayen Electro-optical (a T_S=25°C)

A ƙarƙashin gwajin igiyar lantarki na 20mA, LED yana nuna halaye masu zuwa:

• Ƙarfin Lantarki na Gaba (V_F):Akwai a cikin rukunoni uku: B0 (1.8-2.0V), C0 (2.0-2.2V), D0 (2.2-2.4V). Ƙimar ta al'ada ita ce 1.8V na rukunin B0.
• Tsayin Haɗin Gaba (λ_D):Yana daga 625nm zuwa 640nm, an raba shi zuwa rukunoni F00 (625-630nm), G00 (630-635nm), H00 (635-640nm). Ƙimar ta al'ada ita ce 625nm na rukunin F00.
• Fadin Rabin Band na Spectrum (Δλ):15nm na al'ada.
• Hasken Hasken (I_V):Rukunoni biyu na haske: 1GJ (20-40mcd) da 1BS (40-90mcd) a 20mA.
• Kusurwar Kallo (2θ_1/2):140° na al'ada.
• Igyar Lantarki ta Baya (I_R):Matsayi mafi girma 10µA a V_R=5V.
• Juriyar Zafi (R_THJ-S):Matsayi mafi girma 450°C/W.

Waɗannan ma'auni an auna su a ƙarƙashin yanayin gwaji na masana'anta. Izinin auna ma'auni shine ±0.1V na ƙarfin lantarki, ±2nm na tsayin raƙuman haske, da ±10% na haske.

2.2 Matsayi Mafi Girma na Ƙarshe

Dole ne a kula don tabbatar da cewa yanayin aiki na ainihi bai wuce waɗannan matsayi ba, musamman rarrabawar wutar lantarki da zazzabin junction, don guje wa lalacewa ko rage inganci.

3. Tsarin Rarraba Rukuni

An siffanta RF-RUB170TS-BD kuma an raba shi ta hanyar ƙarfin lantarki na gaba, tsayin haɗin gaba, da haske don samar da aiki daidai ga mai amfani.

• Rukunoni na Ƙarfin Lantarki:B0 (1.8-2.0V), C0 (2.0-2.2V), D0 (2.2-2.4V).
• Rukunoni na Tsayin Haɗin:F00 (625-630nm), G00 (630-635nm), H00 (635-640nm).
• Rukunoni na Hasken:1GJ (20-40mcd), 1BS (40-90mcd).

Lambar rukuni (misali, F00 1GJ B0) an buga ta akan lakabin reel don gano ainihin rukunin aiki. Wannan yana bawa masu tsara damar zaɓar LED tare da juriyar ma'auni don nunin zaɓi ko tsararrun nuni.

4. Nazarin Tsarin Aiki

4.1 Ƙarfin Lantarki na Gaba vs Igyar Lantarki ta Gaba

Tsarin I-V yana nuna ƙarfin lantarki na gaba na al'ada kusan 1.8V a 20mA. A ƙananan igiyoyi (ƙasa da 5mA), ƙarfin lantarki yana raguwa ƙasa da 1.5V. Tsarin yana da siffar murabba'i, wanda ya dace da LED ja.

4.2 Hasken Dangi vs Igyar Lantarki ta Gaba

Hasken dangi yana ƙaruwa kusan layi ɗaya tare da igiyar lantarki ta gaba daga 0 zuwa 30mA. A 20mA, hasken yana kusan 80% na mafi girma a 30mA. Wannan dangantaka tana da amfani ga aikace-aikacen rage haske ta hanyar daidaita igiyar lantarki.

4.3 Zazzabin Pin vs Hasken Dangi & Igyar Lantarki ta Gaba

Yayin da zazzabin pin (wurin solder) yake tashi, hasken dangi yana raguwa. A 85°C, hasken yana raguwa zuwa kusan 85% na ƙimar a 25°C. Hakazalika, dole ne a rage iyakar igiyar lantarki ta gaba a yanayi mai zafi don kiyaye zazzabin junction ƙasa da 95°C. Misali, a zazzabin pin na 100°C, igiyar lantarki ta gaba ya kamata a iyakance ta zuwa kusan 10mA.

4.4 Canjin Tsayin Haɗin vs Igyar Lantarki ta Gaba

Tsayin haɗin gaba yana ƙaruwa kaɗan tare da igiyar lantarki ta gaba. A 30mA, tsayin haɗin yana kusan 1-2nm sama da na 5mA. Wannan canji ƙanƙane ne kuma yawanci ana karɓa a aikace-aikacen nuni.

4.5 Rarraba Tsarin Haske

Tsarin haske na al'ada yana ɗaukar kololuwa kusa da 630-635nm tare da fadin rabin band na 15nm. Fitarwa tana ƙunƙuntacciya kuma ta ta'allaka a yankin ja, yana mai dacewa da nuni da nunin ja.

4.6 Tsarin Hasken Ruwa

Zane na hasken ruwa yana nuna tsarin faɗi mai daidaitacce tare da kusurwar rabin haske na ±70°, wanda ke tabbatar da kusurwar kallo mai faɗi na 140°. Wannan yana sa LED ya dace da amfani a aikace-aikacen hasken gefe ko hasken da aka watsa.

5. Bayani na Injiniya & Tattara Kaya

5.1 Girman Kumburi

Kumburin LED yana auna 2.0mm x 1.25mm x 0.7mm (Tsawon x Faɗi x Tsawo). Hoton sama yana nuna lens a tsakiya tare da tashoshi biyu a ƙasan gefe. An nuna cathode ta alamar tawada kore a saman saman (bisa ga sabon siga). Tsarin yanki na solder da aka ba da shawara yana da girma: faɗin yanki 1.20mm, tsawon yanki 3.20mm, tare da tazara na 0.80mm tsakanin yankuna. Duk juriyar suna ±0.2mm sai dai in an faɗi akasin haka.

5.2 Gane Bangaren (Polarity)

A hoton ƙasa, yanki 2 shine cathode kamar yadda alamar polarity ta nuna. A saman saman, tawada kore (da aka ƙara a sigar E/3) tana nuna gefen cathode. Masu tsara ya kamata su tabbatar da daidaitaccen jagora a cikin tsarin PCB.

5.3 Girman Tef ɗin Dauka & Reel

Ana ba da kayan aiki a kan tef na 8mm mai faɗi tare da farar 4mm. Kowane reel yana riƙe da 4000 guda. Diamita na reel shine 178mm, tare da diamita na cibiya na 60mm da faɗin tef na 8.0±0.1mm. Tef ɗin yana da alamar polarity da ke nuna jagorar ciyarwa.

5.4 Bayanin Lakabi

Kowane reel yana ɗauke da lakabi mai ɗauke da: Lambar Sashe (RF-RUB170TS-BD), Lambar Spec, Lambar Lot, Lambar Rukuni (ciki har da tsayin raƙuman haske, haske, rukunoni na ƙarfin lantarki), Adadi, da lambar Kwanan wata. Wannan saƙon yana da mahimmanci don kula da inganci.

6. Jagororin Solder & Taro

6.1 Tsarin Solder na Reflow

Tsarin reflow da aka ba da shawara don wannan LED (bisa ga JEDEC J-STD-020) shine:

• Preheat: 150-200°C na 60-120 seconds
• Lokaci sama da 217°C (TL): 60-150 seconds
• Zazzabin kololuwa (TP): 260°C mafi girma, tare da lokaci a cikin 5°C na kololuwa bai wuce 30 seconds ba, kuma ainihin lokacin kololuwa (tp) mafi girma 10 seconds
• Gwargwadon hawan: mafi girma 3°C/s daga Tsmax zuwa TP
• Gwargwadon sanyaya: mafi girma 6°C/s
• Jimlar lokaci daga 25°C zuwa kololuwa: mafi girma 8 minutes

Dole ne a yi solder na reflow fiye da sau biyu. Idan tazarar tsakanin ayyukan solder biyu ta wuce sa'o'i 24, ya kamata a gasa LED kafin amfani saboda sha danshi.

6.2 Solder da Hannu & Aiki

Idan solder da hannu ya zama dole, yi amfani da jan ƙarfe mai zazzabi ƙasa da 300°C kuma lokacin tuntuɓar ƙasa da 3 seconds. An yarda da aikin solder da hannu ɗaya kawai. Ya kamata a guje wa aiki bayan reflow; idan ba zai yuwu ba, yi amfani da jan ƙarfe mai kai biyu kuma a gwada don tabbatar da cewa ba a lalata LED ba.

6.3 Ajiya & Kula da Danshi

Kafin buɗe jakar aluminium da aka rufe, ajiye a ≤30°C da ≤75% RH har zuwa shekara ɗaya daga ranar kera. Bayan buɗewa, dole ne a yi amfani da LED a cikin sa'o'i 168 (kwanaki 7) a yanayin ≤30°C da ≤60% RH. Idan yanayin ajiya ya wuce ko kuma busasshiyar sinadari ta canza launi, gasa LED a 60°C (±5°C) na fiye da sa'o'i 24 kafin amfani.

7. Bayani na Tattara Kaya & Oda

Tattara kaya na yau da kullun shine 4,000 guda kowane reel, tef 8mm, reel 178mm. Ana tattara reels da yawa a cikin jakar hana danshi tare da busasshiyar sinadari da katin nuna danshi. Sannan ana saka jakar a cikin akwatin kwali don jigilar kaya. An yiwa akwatin lakabi da bayanin samfur da kuma kariyar kulawa.

8. Shawarwarin Aikace-aikace

8.1 Aikace-aikace na Yau da kullun

• Nunin gani akan na'urorin lantarki na masu amfani, kayan aikin gida, cikin motoci.
• Maɓallai da hasken baya na alama (misali, maɓallai, tambura).
• Nuna matsayi na gaba ɗaya da alamar hanya.
• Hasken gefe don ƙananan nuni.

8.2 La'akarin Tsarawa

• Koyaushe yi amfani da resistor mai iyakance igiyar lantarki don kiyaye igiyar lantarki ta gaba ƙasa da mafi girman matsayi (30mA). Canjin ƙarfi kaɗan a cikin ƙarfin wutar lantarki na iya haifar da babban canji na igiyar lantarki; ya kamata a yi la'akari da juriyar resistor.
• Gudanar da zafi yana da mahimmanci: tabbatar da isasshen watsar da zafi ta hanyar yankunan copper na PCB da via don kiyaye zazzabin junction ƙasa da 95°C. Rage igiyar lantarki a yanayin zazzabi mai girma.
• Guji amfani da ƙarfin lantarki na baya saboda yana iya lalata LED.
• Kariya daga ESD: yi amfani da ayyukan kulawa da ESD na yau da kullun (wuraren aiki da aka haɗa ƙasa, madaurin hannu).
• Lura cewa lens ɗin silicone yana da laushi kuma yana iya jawo ƙura; guji tuntuɓar injiniya da saman lens. An ba da shawarar tsaftacewa da isopropyl alcohol idan ya cancanta. Ba a ba da shawarar tsaftacewa da ultrasonic ba saboda yana iya lalata LED.
• Dacewa da muhalli: tabbatar da cewa kayan da ke kewaye (misali, potting, lenses, adhesives) ba su ɗauke da manyan matakan sulfur (>100ppm), bromine (>900ppm), chlorine (>900ppm), ko jimlar halogens (>1500ppm) ba, saboda waɗannan na iya haifar da lalacewar sinadarai akan LED.
• Guji amfani da adhesives da ke fitar da tururin halitta, saboda suna iya taruwa akan LED kuma su rage aiki.

9. Kwatanta Fasaha da Samfura Makamancin Haka

Idan aka kwatanta da sauran LED ja 2.0x1.25mm, RF-RUB170TS-BD yana ba da kusurwar kallo mai faɗi na 140°, wanda ya fi faɗi sosai fiye da sassa na al'ada 120° ko 110°. Wannan yana da amfani ga aikace-aikacen da ke buƙatar haske mai daidaito a kan babban yanki. Na'urar kuma tana ba da rukunoni masu yawa na tsayin raƙuman haske da ke rufe 625-640nm, yana bawa masu tsara damar zaɓar ainihin launin ja don alamar kasuwanci ko daidaita kyau. Juriyar zafinta (450°C/W) tana da matsakaici; don aikace-aikacen wutar lantarki mafi girma, ana iya fifita kumburi mafi girma tare da ingantacciyar watsar da zafi.

10. Tambayoyin da Akai Akai

1. Menene mafi girman lokacin ajiya da aka yarda bayan buɗe jakar?Sa'o'i 168 a ƙarƙashin ≤30°C da ≤60% RH. Idan ya wuce, gasa a 60°C na sa'o'i 24.
2. Zan iya tuka LED a 30mA a ci gaba?E, amma tabbatar da cewa zazzabin junction bai wuce 95°C ba. Ana iya buƙatar rage a yanayin zazzabi mai girma.
3. Menene ƙarfin lantarki na gaba na al'ada a 20mA?Ya danganta da rukuni: B0 ~1.8V, C0 ~2.1V, D0 ~2.3V.
4. Shin an yiwa LED alamar polarity?E, tawada kore a saman saman tana nuna cathode.
5. Zan iya amfani da wannan LED a aikace-aikacen waje?Kewayon zazzabin aiki shine -40 zuwa +85°C, don haka ana iya amfani da shi a waje idan an rufe shi da kyau daga danshi da zazzabi mai girma.
6. Yaya zan tsaftace LED bayan solder?Yi amfani da isopropyl alcohol. Kada a yi amfani da tsaftacewar ultrasonic.

11. Misalan Aikace-aikace na Aiki

Misali 1: Nuna matsayi a kan allon kayan aikin gida.Kusurwar kallo mai faɗi tana ba da damar nuni a gani daga kowane bangare. Yin amfani da resistor 330Ω a jere tare da wutar lantarki 5V yana ba da kusan igiyar lantarki 10mA, yana tabbatar da tsawon rai da haske mai daidaito.

Misali 2: Hasken baya na alama a cikin dashboard na mota.Rukunin tsayin haɗin gaba mai ƙunƙuntacciya (misali, 630-635nm) yana tabbatar da daidaitaccen launin ja a kan maɓallai da yawa. Gudanar da zafi mai kyau ta hanyar yankunan copper na PCB yana kiyaye LED sanyi ko da a cikin yanayin mota mai zafi.

Misali 3: Nunin hasken gefe don ƙaramin alamar hanya.Girman ƙananan (0.7mm) yana ba da damar LED a sanya shi a bayan siraran alluna. Ana iya jeri LED da yawa a gefe tare da saita igiyar lantarki zuwa ~15mA, yana ba da haske mai daidaito.

12. Ka'idar Aiki

LED shine diode na P-N junction da aka yi daga semiconductor mai madaidaiciyar bandgap (yawanci AlGaInP don fitarwar ja). Idan aka saka shi a gaba, electrons da holes suna sake haɗuwa ta hanyar haske, suna fitar da photons tare da makamashi daidai da bandgap. Tsayin haɗin gaba na 625-640nm yayi daidai da makamashin photon kusan 1.98-1.94 eV. Ingancin fitar da haske yana ƙaruwa ta hanyar substrate mai haske da tsarin lens. Kusurwar kallo 140° ana samun ta ta hanyar lens mai siffar hemisphere ko lebur da ke watsa haske sosai.

13. Hanyoyin Ci Gaba

Hanyoyin yanzu a cikin LED SMD ja sun haɗa da ƙaramin girman kumburi (misali, 1.6x0.8mm), inganci mafi girma (lm/W), da ingantaccen aminci don aikace-aikacen motoci da yanayi mai zafi. RF-RUB170TS-BD yana wakiltar wani tsari mai balagagge na 2.0x1.25mm tare da kyakkyawan aikin gani. Ci gaba na gaba na iya mai da hankali kan rage juriyar zafi da kuma samun daidaituwar launi mafi kyau ta hanyar ƙunƙuntacciyar rarraba rukuni.