Takardar Bayanan LED Fari SMD 3.00x1.40x0.52mm - Ƙarfin Lantarki na Gaba 2.8V - Hasken Haske 23lm - Ƙarfin Wuta 0.192W - Cancantar Motoci AEC-Q102

1. Bayanin Samfurin

Wannan LED fari an ƙera shi ta amfani da guntun shuɗi da aka haɗa da phosphor don samar da hasken fari mai faffaɗa. Na'urar tana cikin kayan EMC (Epoxy Molding Compound) mai girma 3.00 mm x 1.40 mm x 0.52 mm. An tsara shi don hasken ciki da waje na motoci, wanda ya cika cikakkiyar cancantar gwajin AEC-Q102 don na'urorin semiconductor na mota. LED yana da kusurwar kallo mai faɗi 120°, wanda ya sa ya dace da aikace-aikacen da ke buƙatar rarraba haske daidai. Tare da matakin damshin 2 (MSL2) da kuma yarda da RoHS, na'urar an inganta ta don haɗa SMT na yau da kullum da kuma aikin sake zubar da gubar.

2. Binciken Ma'auni na Fasaha

2.1 Halayen Lantarki da Hasken Haske

A yanayin gwaji na IF = 50 mA da Ts = 25 °C, ƙarfin lantarki na gaba (VF) yana daga 2.6 V (matsakaici) zuwa 3.2 V (matsakaici), tare da ƙimar al'ada 2.8 V. Halin yanzu na baya (IR) a VR = 5 V yawanci yana ƙasa da 10 µA, yana tabbatar da ƙarancin zubewa. Hasken haske (Φ) an ƙayyade shi tsakanin 19.6 lm (min.) da 26.9 lm (max.), tare da ƙimar al'ada 23 lm. Kusurwar kallo (2θ1/2) yawanci digiri 120. Juriya na zafi daga haɗin gwiwa zuwa wurin zubarwa (RTHJ-S) shine mafi girma 50 °C/W, yana nuna iyawar watsa zafi mai kyau.

2.2 Matsakaicin Ƙimar Ƙarfin Wuta

Matsakaicin yada wutar lantarki (PD) shine 384 mW. Halin yanzu na gaba (IF) bai kamata ya wuce 120 mA DC ba, yayin da halin yanzu na gaba mafi girma (IFP) zai iya kaiwa 200 mA a aikin 1/10 da tsawon bugun 10 ms. Matsakaicin ƙarfin lantarki na baya (VR) shine 5 V. Na'urar tana iya jure fitar da wutar lantarki (ESD) har zuwa 8000 V (HBM) tare da yawan samarwa sama da 90%. Yanayin zafin aiki yana daga -40 °C zuwa +125 °C, kuma yanayin zafin ajiya iri ɗaya ne. Matsakaicin zafin haɗin gwiwa (TJ) shine 150 °C.

3. Tsarin Rarrabawa

3.1 Rarrabawar Ƙarfin Lantarki na Gaba

A IF = 50 mA, ƙarfin lantarki na gaba an raba shi zuwa rukuni shida: G1 (2.8–2.9 V), G2 (2.9–3.0 V), H1 (3.0–3.1 V), H2 (3.1–3.2 V), I1 (3.2–3.3 V), da I2 (3.3–3.4 V). Wannan rarrabuwa tana taimaka wa abokan ciniki su zaɓi LED masu ƙarfin lantarki da aka sarrafa sosai don da'irori masu layi daya ko jerin.

3.2 Rarrabawar Hasken Haske

Hasken haske an raba shi zuwa rukuni uku: KA (19.6–21.8 lm), KB (21.8–24.2 lm), da LA (24.2–26.9 lm). Tare da rarrabuwar ƙarfin lantarki, wannan yana ba da zaɓi mai faɗi don buƙatun haske na musamman.

3.3 Rarrabawar Launi

Tsarin CIE chromaticity yana nuna rukunin launi biyu: ZG0 da ZG1. ZG0 yana da iyakokin daidaitawa (0.3059,0.3112), (0.3122,0.3258), (0.3240,0.3258), (0.3177,0.3112). ZG1 an bayyana shi ta (0.3122,0.3258), (0.3185,0.3404), (0.3303,0.3404), (0.3240,0.3258). Waɗannan rukunoni suna tabbatar da daidaiton launi a cikin tsarukan samarwa.

4. Binciken Taswirar Aiki

4.1 Ƙarfin Lantarki na Gaba vs. Halin Yanzu na Gaba

Taswirar I-V tana nuna cewa yayin da ƙarfin lantarki na gaba ya ƙaru daga 2.6 V zuwa 3.0 V, halin yanzu na gaba ya tashi daga 0 mA zuwa kusan 60 mA. Taswirar tana da siffar juzu'i, wanda ya zama al'ada ga LED, yana nuna cewa ƙananan canje-canje na ƙarfin lantarki suna haifar da manyan bambance-bambancen halin yanzu; don haka sarrafa halin yanzu yana da mahimmanci.

4.2 Ƙarfin Hasken Dangantaka vs. Halin Yanzu na Gaba

Ƙarfin hasken dangantaka yana ƙaruwa kusan a madaidaiciya tare da halin yanzu na gaba har zuwa 70 mA. A 50 mA ƙarfin hasken dangantaka yana kusan 100%, kuma a 10 mA yana raguwa zuwa kusan 20%. Wannan dangantakar madaidaiciya tana taimakawa wajen rage haske ta hanyar daidaita halin yanzu.

4.3 Zafin Wurin Zubarwa vs. Ƙarfin Hasken Dangantaka

Yayin da zafin wurin zubarwa ya tashi daga 20 °C zuwa 120 °C, ƙarfin hasken dangantaka yana raguwa a hankali daga 100% zuwa kusan 85%. Wannan yana nuna mahimmancin sarrafa zafi don kiyaye daidaiton fitar da haske.

4.4 Zafin Wurin Zubarwa vs. Halin Yanzu na Gaba

Matsakaicin halin yanzu na gaba da aka yarda dole ne a rage shi a yanayin zafi mafi girma. A Ts = 25 °C, IF max shine 120 mA; a Ts = 100 °C, yana raguwa zuwa kusan 60 mA. Kyakkyawan watsa zafi yana tabbatar da aiki a cikin iyakoki masu aminci.

4.5 Ƙarfin Lantarki na Gaba vs. Zafin Wurin Zubarwa

Ƙarfin lantarki na gaba yana raguwa kaɗan tare da ƙarin zafi (kusan -2 mV/°C). Wannan ma'aunin zafin jiki mara kyau dole ne a yi la'akari da shi a cikin ƙirar tuki mai ƙarfin lantarki.

4.6 Taswirar Hasken

Tsarin fitar da haske yana kama da Lambertian tare da kusurwar rabin ƙarfin haske mai faɗi ±60°. Wannan yana ba da haske daidai a kan faffaɗan yanki, wanda ya dace da hasken ciki na mota kamar fitilun rufi ko fitilun karatu.

4.7 Canjin Launi vs. Zazza

A yanayin zafi mafi girma na wurin zubarwa (85 °C da 105 °C), daidaitawar chromaticity suna motsawa kaɗan zuwa ƙimar Y mafi girma (kore), amma canjin yana cikin 0.01 raka'a, yana nuna kyakkyawan kwanciyar hankali na launi akan zazzabi.

4.8 Rarraba Haske

LED fari yana nuna faffaɗan haske daga 400 nm zuwa 750 nm tare da kololuwa a kusa da 450 nm (guntun shuɗi) da kuma kololuwar phosphor ta biyu a kusa da 550-600 nm. Wannan yana ba da babban ma'aunin launi mai dacewa don haske gabaɗaya.

5. Bayanin Kayan Aiki da Fakitin

5.1 Girman Fakitin

Fakitin yana da 3.00 mm x 1.40 mm x 0.52 mm. Duban sama yana nuna yankin fitar da haske na tsakiya mai girma 2.61 mm x 1.60 mm. Duban gefe yana nuna kauri 0.52 mm tare da ɗan fitowa 0.05 mm. Duban ƙasa yana nuna filayen zubarwa biyu: cathode (C) da anode (A). Filin cathode ya fi girma (0.86 mm x 1.40 mm). Alamar polarity an nuna a ƙasa azaman alamar '-'.

5.2 Tsarin Zubar da aka Shawarta

Don ingantacciyar hanyar zafi da lantarki, filin PCB da aka shawarta shine 3.50 mm x 2.10 mm tare da yankin filin tsakiya 0.91 mm x 1.00 mm. Duk ma'aunai na milimita ne tare da haƙuri ±0.2 mm.

5.3 Gane Polarity

Maɓallin tabbatacce (anode) da korau (cathode) an nuna su a fili a kan duban ƙasa. Daidaiton kusurwa yana da mahimmanci don aiki mai kyau.

6. Jagorar Zubarwa da Haɗawa

6.1 Tsarin Sake Zubarwa SMT

Tsarin zubarwa dole ne ya bi waɗannan sigogi: matsakaicin hawan tashi daga Tsmin zuwa Tp ≤ 3 °C/s; zafi na farko daga 150 °C zuwa 200 °C na 60-120 seconds; lokaci sama da 217 °C (TL) na mafi ƙarancin 60 seconds; mafi girman zafin (Tp) na 260 °C tare da lokacin zama a cikin 5 °C na Tp na mafi ƙarancin 10 seconds; saurin sanyaya ≤ 6 °C/s; jimlar lokaci daga 25 °C zuwa Tp ≤ 8 mintuna. An yarda da sake zagayawa biyu kawai; idan sun rabu sama da sa'o'i 24, LED na iya ɗaukar danshi da lalacewa.

6.2 Gyara

Ya kamata a guji gyara bayan zubarwa. Idan ya wajaba, yi amfani da ƙarfe mai kai biyu. Dole ne a hana damuwa na inji a kan silicone lens yayin zafi.

6.3 Gargaɗi

Kayan rufewa shine silicone, mai laushi. Matsi mai yawa a saman na'urar na iya lalata da'irar ciki. Bututun ɗauka ya kamata ya yi amfani da ƙaramin ƙarfi. Kada a haɗa LED a kan PCB mara daidai ko lanƙwasa allon bayan zubarwa. Kada a yi sanyaya da sauri bayan sake zubarwa.

7. Bayanin Marufi da Oda

7.1 Tef ɗin Jigilar Kaya da Rili

LED an haɗa su cikin tef ɗin jigilar kaya tare da guda 5000 a kowane rili. Girman rili: A = 178 ± 1 mm, B = 8.0 ± 0.1 mm, C = 60 ± 1 mm, D = 13.0 ± 0.5 mm. Tef ɗin ya haɗa da aljihun da ba kowa na guda 80-100 a farkon da ƙarshen don sarrafawa.

7.2 Bayanin Lakabin

Kowane rili yana ɗauke da lakabi tare da lambar sashi, lambar ƙayyadaddun bayanai, lambar rukuni, lambar rarrabawa (ciki har da hasken haske Φ, rukunin chromaticity XY, ƙarfin lantarki na gaba VF, da lambar tsawon raƙuman haske WLD), yawan adadi, da ranar kera.

7.3 Marufi Mai Juriya Danshi

Rili a rufe su a cikin jakar hana danshi tare da bushewa da katunan nuna danshi. Matakin damshin shine 2. Bayan buɗewa, ya kamata a yi amfani da LED a cikin sa'o'i 24. Idan ajiya ya wuce sa'o'i 24, ana buƙatar gasa a 60 ± 5 °C na akalla sa'o'i 24 kafin amfani.

8. Shawarwarin Aikace-aikace

Wannan LED an yi shi ne don hasken ciki da waje na mota, kamar alamun dashboard, hasken ciki na muhalli, fitilun birki, fitilun alama, da alamun gefe. Kusurwar kallo mai faɗi 120° da haske mai ƙarfi (har zuwa 26.9 lm) ya sa ya dace da haske kai tsaye da kuma kai tsaye. Don ingantaccen aiki, ƙirar zafi dole ne ta tabbatar da cewa zafin wurin zubarwa ya kasance ƙasa da 125 °C. Yi amfani da resistors masu iyaka da halin yanzu ko direbobi masu dindindin don guje wa wuce iyakar halin yanzu na gaba. Matakan kariya na ESD, kamar wuraren hannu na ƙasa da wuraren aiki na antistatic, wajibi ne yayin haɗawa.

9. Dogaro da Gwaji

9.1 Gwajin Dogaro

Cancantar samfur ya bi AEC-Q102. Gwajin da aka gudanar sun haɗa da: Sake zubarwa (260 °C, 10 s, 2×), shiri MSL2 (85 °C/60% RH na 168 h), Girgizar zafi (-40 °C zuwa 125 °C, 1000 zagaye), Gwajin rayuwa (Ta = 105 °C, IF = 50 mA, 1000 h), da Gwajin rayuwa yanayin zafi da danshi (85 °C/85% RH, IF = 50 mA, 1000 h). Ka'idar yarda: 0 gazawa a cikin samfuran 20.

9.2 Ka'idojin Gazawa

Ana ɗaukar na'urar ta gaza idan ƙarfin lantarki na gaba ya wuce sau 1.1 na babban iyaka (USL), halin yanzu na baya ya wuce sau 2.0 na USL, ko hasken haske ya faɗi ƙasa da sau 0.7 na ƙananan iyaka (LSL).

10. Kariya da Ajiya

A guji fallasa ga muhallin da yake da abun sulfur da ya wuce 100 PPM. Abubuwan Bromine da Chlorine guda ɗaya dole ne su zama ƙasa da 900 PPM, kuma jimlarsu ƙasa da 1500 PPM. VOCs daga kayan haɗi na iya shiga cikin silicone encapsulant kuma su haifar da canza launi; ana ba da shawarar gwada dacewa. Kada a yi amfani da manne da ke fitar da tururin halitta. Riƙe ɓangaren ta gefe da tweezers; kada a taɓa silicone lens kai tsaye. Ajiye jakar da ba a buɗe ba a ≤ 30 °C / ≤ 75% RH na har shekara ɗaya. Bayan buɗewa, yi amfani da shi a cikin sa'o'i 24 ko kuma gasa kafin amfani.

11. Tambayoyi na Fasaha na Yau da Kullum

Tambaya: Zan iya fitar da wannan LED da ƙarfin lantarki akai-akai?Amsa: Fitar da ƙarfin lantarki akai-akai yana yiwuwa ne kawai tare da resistor na jerin don iyakance halin yanzu, saboda ƙarfin lantarki na gaba yana canzawa tare da zazzabi da rarrabawa. Ana ba da shawarar tushen halin yanzu akai-akai.

Tambaya: Menene tsawon rayuwa na al'ada?Amsa: An inganta LED don sa'o'i 1000 a 105 °C da 50 mA, amma tsawon rayuwa na al'ada a yanayin zafi mafi ƙanƙanta (85 °C) na iya wuce sa'o'i 10,000 tare da rage haske a hankali.

Tambaya: Za a iya haɗa LED da yawa a layi daya?Amsa: Ee, amma saboda bambance-bambancen rarrabuwar VF, kowane LED ya kamata ya sami resistor na iyakance halin yanzu don guje wa cin halin yanzu.

12. Nazarin Yanayin Zane

Nazari: Maye gurbin fitilar rufi na ciki- LED shida na rukuni LA (24.2-26.9 lm) a 50 mA kowanne suna iya samar da haske fiye da 150 lm, wanda ya isa ga fitilar rufi ta 12V. Yin amfani da direban halin yanzu akai-akai tare da jimlar 300 mA da sarrafa zafi mai kyau akan PCB mai tushen aluminum yana tabbatar da aiki mai dogaro a yanayin zafi 85 °C.

Nazari: Alamar gefe na waje- LED biyu a jerin (jimlar 6.4 V) tare da resistor 120 ohm akan layin 12 V suna ba da kusan 47 mA, wanda ya kasance cikin ƙimar 50 mA. Kusurwar kallo mai faɗi tana biyan buƙatun ECE don alamomin gefe.

13. Ka'idojin Fasaha

Hasken fari ana samar dashi ta hanyar haɗa guntun LED InGaN shuɗi (wanda ke fitarwa a kusa da 450 nm) tare da phosphor mai haske rawaya (yawanci YAG:Ce). Hasken shuɗi yana motsa phosphor, wanda ke canza wasu photons shuɗi zuwa rawaya. Haɗin haske shuɗi da rawaya yana bayyana fari. Fakitin EMC yana ba da juriya mai zafi da ƙarfin injin idan aka kwatanta da fakitin silicone na al'ada.

14. Hanyoyi na Ci gaba

Hasken mota yana ci gaba da canzawa daga incandescent zuwa LED, saboda ingancin makamashi, tsawon rayuwa, da sassauƙar ƙira. Hanyoyin gaba sun haɗa da haske mafi girma (sama da 30 lm kowacce die a 50 mA), ƙananan fakitin (misali 2.0x1.0 mm), da haɗawa cikin tsarin haske mai daidaitawa. Amfani da LED na mota masu cancantar AEC-Q102 ya zama al'ada don ayyukan waje da ciki. Ingantattun fasahar phosphor za su haɓaka daidaiton launi da rage raguwar zafi.