Specifications na LED UV RF-C37P6-URF-AR - Girma 3.7x3.7x3.45mm - Ƙarfin Gaba 4.5-7.5V - Ƙarfi 3.8W - Tsawon Wave 275nm - Takardun Fasaha na Turanci

1. Bayanin Samfur

Wannan takarda tana gabatar da cikakken bayanin fasaha na wani LED ultraviolet (UV) mai ƙarfi da dogaro, wanda aka tsara don aikace-aikacen tsabtacewa, kashe ƙwayoyin cuta, da tsabtace iska. Na'urar tana da girma mai sauƙi 3.7mm x 3.7mm x 3.45mm tare da kusurwar kallo 60°, wanda ke ba da damar haɗawa cikin sauri a cikin tarin lantarki daban-daban. Samfurin yana da yarda da RoHS kuma an rarraba shi a matsayin matakin laushi na danshi na 3, yana tabbatar da dacewa da tsarin SMT da soldering reflow. Tare da mafi girman ɓarkewar wutar lantarki na 3.8W da zaɓuɓɓukan ƙarfin gaba daga 4.5V zuwa 7.5V a 350mA, wannan LED UV yana ba da aiki mai dogaro a cikin yanayi masu kalubale.

2. Bayani Mai Zurfi na Fasaha

2.1 Halayen Haske da Lantarki (a 25°C, 350mA)

Ƙarfin gaba (VF) an ayyana shi a cikin rukuni huɗu: F02 (4.5-5.5V), F03 (5.5-6.5V tare da yawanci 6.3V), F04 (6.5-7.5V). Wutar juyawa (IR) a VR=10V tana da ƙaranci, tare da rukuni 1H05 zuwa 1H08 wanda ke rufe 5µA zuwa 40µA. Jimillar haske mai radiyo (Φe) ta kai daga 270mW zuwa 275mW (rufuni UA35) ko 275-280mW (rufuni UA36). Tsawon wave (λp) yawanci 275nm (kewayon 270-280nm). Faɗin rabin bakan (Δλ) 8-12nm, kusurwar kallo 60°, kuma juriyar zafi (RTHJ-S) tana da matsakaicin 45°C/W.

2.2 Matsakaicin Ƙarfin da Aka Ɗauka

Matsakaicin ɓarkewar wutar lantarki shine 3.8W, mafi girman wutar gaba (1/10 duty, 0.1ms pulse) 500mA, wutar juyawa 10V. Matsalar lantarki (HBM) tana jure 1000V. Yanayin zafin aiki daga -40°C zuwa +45°C, ajiye -20°C zuwa +65°C, zafin junction mafi girma 60°C. Dole ne a kula don tabbatar da cewa zafin junction bai wuce wannan iyaka ba yayin aiki.

2.3 Tsarin Rukuni

Samfurin an rarraba shi ta ƙarfin gaba (F02-F04), wutar juyawa (1H05-1H08), da haske mai radiyo (UA35, UA36). Tsawon wave yana tsakiya a 275nm tare da juriya ±2nm. Juriya a auna: VF ±0.1V, wave ±2nm, haske mai radiyo ±10%. Abokan ciniki ya kamata su zaɓi rukunin da suka dace bisa ga buƙatun tsarin su.

3. Nazarin Lantarki na Aiki

3.1 Ƙarfin Gaba da Wutar Gaba

Lankwasawa I-V yana nuna ƙarfin gaba na yawanci kusan 6.1V a 350mA, tare da gangare mai tsauri wanda ke nuna juriya mai ƙarancin motsi. A 100mA, VF ya faɗi zuwa kusan 5.9V; a 500mA, ya tashi zuwa kusan 6.5V.

3.2 Ƙarfin Dangi da Wutar Gaba

Ƙarfin dangi yana ƙaruwa kusan layi tare da wutar daga 0 zuwa 500mA, yana kaiwa kusan 150% na ƙimar a 350mA lokacin aiki a 500mA. Wannan yana ba da damar wuce gona da ɗan lokaci a cikin iyakoki.

3.3 Tsawon Wave da Wutar Gaba

Tsawon wave yana canjawa kaɗan tare da wutar: a 100mA, λp ≈ 274.0nm; a 500mA, λp ≈ 274.8nm. Wannan canji ba shi da yawa (kusan 0.8nm) a duk kewayon wutar, yana nuna kwanciyar hankali mai kyau na wave.

3.4 Dogaro da Zafin Jiki

Matsakaicin wutar gaba yana raguwa yayin da zafin wurin solder ya ƙaru: a Ts=25°C, matsakaicin wutar 500mA; a Ts=50°C, ya rage zuwa ~300mA; a Ts=100°C, wutar ya kamata ya zama sifili. Gudanar da zafi yana da mahimmanci don kiyaye aiki.

3.5 Rarraba Bakan

Rarraba bakan yana tsakiya a 275nm tare da cikakken faɗin rabin mafi girma na kusan 10nm. Fitarwa ta fi yawa a cikin kewayon UVC (200-280nm), yana sa ta tasiri don aikace-aikacen kashe ƙwayoyin cuta.

3.6 Tsarin Haske

Tsarin haske yana nuna siffar Lambertian wanda ƙarfi ya faɗi zuwa 50% a kusan ±30° kuma kusan sifili a ±90°. Wannan yana ba da kusurwar haske mai daidaita 60°.

4. Bayani Na'urar da Kunshin

4.1 Girman Kunshin

Kallon sama yana nuna jiki 3.70mm x 3.70mm tare da tsayi 3.45mm. Kallon gefe yana nuna tsayin lens na tsakiya 1.20mm sama da tushe. Kallon ƙasa yana nuna manyan pad ɗin zafi/lantarki guda biyu: pad anode 3.20mm x 2.20mm, pad cathode 3.20mm x 1.20mm, duka an raba su da tazarar 0.50mm. Alamar polarity tana kan ƙasa.

4.2 Tsarin Soldering (Tsarin Pad da Aka Shawarta)

Tsarin ƙasa na PCB da aka shawarta: pad anode 3.70mm x 3.20mm, pad cathode 3.70mm x 1.20mm, tare da tazarar 0.50mm tsakanin su. Wannan yana tabbatar da kyakkyawar hulɗar zafi da lantarki. Duk girma a millimeter tare da juriya ±0.2mm sai dai in an ce.

4.3 Gane Polarity

Polarity an nuna shi a kallon ƙasa ta alamar "+" a gefen anode. Haka kuma an yiwa na'urar alama da alamar polarity a kan tef ɗin ɗaukar kaya.

5. Jagororin Soldering da Haɗawa

5.1 Tsarin Reflow Soldering

Tsarin reflow da aka shawarta: preheat daga 150°C zuwa 200°C na 60-120 seconds, haɓaka zuwa 217°C (TL) a cikin mafi ƙarancin 60 seconds, sannan zafin peak 260°C har zuwa 10 seconds (tp). Saurin sanyaya bai kamata ya wuce 6°C/s ba. Lokaci daga 25°C zuwa peak ya kamata ya kasance a cikin 8 mintuna. Kar a wuce zagaye biyu na reflow; idan fiye da 24 hours sun wuce tsakanin zagaye, fara gasa LEDs ɗin.

5.2 Soldering da Hannu

Soldering da hannu: zafin ƙarfe ƙasa da 300°C na ƙasa da 3 seconds, sau ɗaya kawai. Kar a matsa lamba a kan lens silicone yayin soldering.

5.3 Gyara da Sake Aiki

Ba a ba da shawarar gyara bayan soldering ba. Idan ba makawa, yi amfani da ƙarfe mai kai biyu kuma tabbatar da cewa halayen LED sun kasance daidai.

5.4 Tsare-tsare na Gudanarwa

Rufin silicone na LED yana da laushi; guji damuwa na injiniya a saman sama. Kar a ɗora a kan PCB mai lankwasa ko lankwasa allo bayan soldering. Guji sanyaya da sauri. Yi amfani da matakan ESD masu dacewa (na'urar tana wuce 1000V HBM, amma har yanzu ana buƙatar kariya).

6. Bayani Kunshin da Oda

6.1 Bayani Kunshin

Ana shirya raka'a a kan tef da reel: 500 guda a kowace reel. Tazarar tef 4.0mm, faɗi 12.0mm, tare da girman aljihu wanda ya dace da jikin 3.7mm. Diamita reel 178mm, faɗi 12mm, diamita hub 60mm, ramin spindle 13.0mm.

6.2 Bayanin Lakabi

Kowace reel tana ɗauke da lakabi tare da: Lambar Part, Lambar Spec, Lambar Lot, Lambar Rukuni (ciki har da rukuni Φe, VF, WLP), Adadin, da Kwanan wata. Lakabin kuma ya ƙunshi alamar faɗakarwar ESD.

6.3 Kunshin Barrier Danshi

Reel an rufe shi a cikin jakar barrier danshi tare da desiccant da katin nuna danshi. Ajiye kafin buɗewa: ≤30°C, ≤75%RH har zuwa shekara 1. Bayan buɗewa: ≤30°C, ≤60%RH na awanni 24. Idan ya wuce, gasa a 60±5°C na ≥24 hours.

7. Shawarwarin Aikace-aikace

7.1 Aikace-aikace na Yau da Kullum

Wannan LED UV an inganta shi don tsabtacewa (ruwa, iska, saman), kashe ƙwayoyin cuta na kayan aikin likita, da tsarin tsabtace iska. Girman sa mai sauƙi da haske mai radiyo mai yawa yana ba da damar haɗawa cikin shigarwa masu ɗauke da ƙafafu da na tsaye.

7.2 La'akarin Zane

Don aiki mai dogaro, tabbatar da isasshen ɗaukar zafi: juriyar zafi na 45°C/W yana nufin cewa a 3.8W, haɓakar zafin junction-zuwa-solder-point yana da 171°C, wanda ya wuce iyakar junction 60°C. Saboda haka, dole ne a rage ƙarfin gaske (misali, 350mA yana ba da kusan 2.2W, yana ba da haɓaka 99°C, har yanzu ya wuce iyaka; gudanar da zafi mai mahimmanci yana da mahimmanci). Yi amfani da resistors a jere ko masu tuƙi na yau da kullun don hana guduwar zafi. Guji yanayin wutar juyawa.

7.3 Dacewa da Abu

LED yana da hankali ga sulfur, bromine, chlorine, da mahadi masu canzawa (VOCs). Tabbatar cewa abubuwan da ke kewaye sun ƙunshi<100ppm sulfur,<900ppm na bromine da chlorine kowanne, da jimillar halogens<1500ppm. Guji adhesives waɗanda ke fitar da tururin kwayoyin.

8. Dogaro da Gwaji

8.1 Abu na Gwajin Dogaro

Samfurin ya wuce: soldering reflow (260°C, sau 3), girgizar zafi (-40°C zuwa 100°C, 100 cycles), da gwajin rayuwa (25°C, 350mA, 1000 hours). Duka tare da ƙa'idodin karɓa 0/1 (ba a yarda da gazawa ba). Ƙa'idodin gazawa: VF > U.S.L.×1.1, IR > U.S.L.×2.0, Φe

8.2 Ajiye da Gudanarwa

Ajiye a cikin ainihin kunshin a ƙarƙashin yanayi masu sarrafawa. Bayan buɗewa, yi amfani da shi a cikin awanni 24 ko gasa kafin amfani. Gudanar da shi tare da kariyar ESD kuma guji taɓa lens.

9. Kwatanta Fasaha

Idan aka kwatanta da daidaitattun SMD UV LEDs, wannan samfurin yana ba da haɗin ma'auni na ƙarfi mai yawa (3.8W max) da ƙaramin sawu (3.7x3.7mm). Kusurwar kallo 60° ta fi yawancin LEDs na zurfin UV (yawanci 30-45°), tana ba da ɗaukar hoto mai faɗi. Jiriyar zafi ta 45°C/W tana da gasa ga wannan girman kunshin. Rukunin ƙarfin gaba suna ba da zaɓi don takamaiman ƙarfin tuƙi (misali, tsarin 6V ko 12V). Haske mai radiyo na ~275mW a 350mA yana da yawa ga UVC LEDs a cikin wannan kunshin, wanda ya dace da aikace-aikacen tsabtacewa.

10. Tambayoyi da Aka Yi Yawa

1. Menene tsawon wave?Tsawon wave yana tsakiya a 275nm (yawanci), a cikin kewayon UVC na kashe ƙwayoyin cuta.
2. Zan iya amfani da wannan LED a 500mA a ci gaba?A'a, matsakaicin ƙarfin 500mA na pulses ne (0.1ms, 10% duty). Aiki a ci gaba a 500mA zai wuce iyakar zafin junction sai dai idan an samar da sanyaya na ban mamaki.
3. Menene shawarar wutar tuƙi?350mA shine yanayin gwaji na yau da kullun kuma ana ba da shawarar don aiki a ci gaba tare da isasshen ɗaukar zafi. Ƙananan wutar (misali, 200-300mA) yana inganta rayuwa da inganci.
4. Shin wannan LED yana buƙatar heatsink?Ee, saboda yawan ɓarkewar wutar lantarki da juriyar zafi, heatsink ko pad na zafi yana da mahimmanci don kiyaye zafin wurin solder ƙasa da 45°C a 350mA.
5. Menene rukuni don ƙarfin gaba?Rukuni F02 (4.5-5.5V), F03 (5.5-6.5V), F04 (6.5-7.5V). Yi amfani da abubuwan da aka iyakance wutar da suka dace don ƙarfin wutar lantarki.
6. Zan iya amfani da wannan don tsabtace ruwa?Ee, tsawon wave 275nm yana da tasiri don kashe ƙwayoyin cuta da ƙwayoyin cuta a cikin ruwa, idan zane ya ƙunshi haɗin haske da sanyaya mai dacewa.

11. Misalan Aikace-aikace na Aiki

11.1 Na'urar Tsabtace Iska

Ana iya tsara na'urar tsabtace iska ta amfani da wannan LED UV tare da mai tuƙi mai sauƙi na yau da kullun a 350mA da ƙaramin heatsink a haɗe zuwa gurin karfe. Kusurwar haske 60° tana ba da haske daidai a kan tace photocatalytic. Don ɗakin ƙarami, LED ɗaya ko biyu sun isa.

11.2 Sanda mai Kashe Cuta mai ɗauke da Ƙafafu

Mai kashe cuta mai amfani da baturi: yi amfani da LEDs uku a jere tare da mai haɓaka don samar da ~18V a 350mA. Kunshin mai sauƙi (3.7mm) yana ba da damar zane na sanda mai siriri. Haɗa taga quartz da firikwensin kusanci don aminci.

11.3 Module na Tsabtace Saman

Don tsabtace bel ɗin jigilar kaya, ana iya shirya layin waɗannan LEDs. Tare da tazara 12mm a kan tef, ana iya tsara layin don rufe bel mai faɗi 100mm. Ana buƙatar gudanar da zafi mai dacewa ta hanyar aluminum substrate.

12. Gabatarwa na Ka'ida

UVC LEDs suna samar da haske ta hanyar electroluminescence a cikin kayan semiconductor (yawanci AlGaN). Lokacin da aka sanya ƙarfin gaba, electrons da holes sun sake haɗuwa a cikin yanki mai aiki, suna fitar da photons masu ƙarfi daidai da bandgap. Tsawon wave 275nm yana daidai da ƙarfin photon kusan 4.5eV. Hasken zurfin ultraviolet yana lalata DNA/RNA na ƙananan halittu, yana hana haifuwa da kuma haifar da rashin aiki. Wannan ka'ida ta zahiri tana ƙarƙashin aikace-aikacen tsabtacewa.

13. Hanyoyin Ci Gaba

Kasuwar UVC LED tana canzawa zuwa mafi inganci (WPE >5% yanzu, da nufin >10%), tsawon rayuwa (>10,000 hours), da ƙananan farashi a kowace mW. Girman kunshin yana raguwa yayin da yake riƙe ƙarfi. Wannan kunshin 3.7mm yana wakiltar ƙirar da ta girma; hanyoyin gaba sun haɗa da chip-scale packages da haɗin gwiwa na haske. Bugu da ƙari, matsalolin guba na fitilun mercury suna haifar da karɓar tsarin UV na LED a kasuwannin likita, masana'antu, da mabukaci.