LED Infrared E35S9 850nm - Girma 3.5x3.5x2.29mm - Gaban Current 1000mA - Power 1.8W - Takardar Bayanin Fasaha

1. Bayanin Samfur

Wannan LED infrared an tsara shi don aikace-aikacen da ake buƙatar dogaro mai girma a cikin ƙaramin sarari mai ƙarfin wuta. Yana da kayan EMC (Epoxy Molding Compound) mai girman 3.50 mm × 3.50 mm × 2.29 mm, wanda ya dace da ƙira mai ƙuntataccen sarari. Na'urar tana haskaka a tsayin igiyar ruwa 850 nm, wanda ake amfani da shi sosai a tsaro, gani na injina, da tsarin haske na infrared. Babban fa'idodi sun haɗa da ƙananan ƙarfin gaba, daidaituwa da reflow soldering mara gubar, matakin damshin 3, da kuma yarda da RoHS.

2. Fassarar Ma'aunin Fasaha

2.1 Halayen Haskaka da Lantarki

A gaban igiyar wuta na 1000 mA (yanayin bugun jini), ƙarfin gaba na yau da kullun shine 1.7 V, mafi ƙanƙanta shine 1.5 V. Juya igiyar wuta a 5 V yana iyakance zuwa mafi girma 10 µA. Tsayin igiyar ruwa ya ta'allaka ne a 850 nm (m 830 nm, tsaka 850 nm) tare da faɗin bakan 45 nm. Jimlar haske na yau da kullun shine 950 mW, daga 710 mW zuwa 1120 mW. Kusurwar rabin ƙarfi shine 90°, yana ba da faɗin haske mai nisa don aikace-aikacen haske.

2.2 Matsakaicin Matsayin Matsala

Na'urar tana iya ɗaukar mafi girma na rarraba wutar 1.8 W da gaban igiyar wuta 1000 mA (1/10 yanayin aiki, 0.1 ms faɗin bugun jini). Juya ƙarfin yana iyakance zuwa 5 V. Hankalin ESD shine 2000 V (HBM). Yanayin zafin aiki daga -40 °C zuwa +85 °C, ajiya daga -40 °C zuwa +100 °C, da zafin junction har zuwa 105 °C. Juriya na zafi daga junction zuwa wurin siyarwa shine 11 °C/W.

2.3 Tsarin Rarraba

Samfurin ana raba shi ta hanyar jimlar haske (Φe), tsayin igiyar ruwa (WLP), da ƙarfin gaba (VF), kamar yadda aka nuna akan lakabin. Wannan yana ba abokan ciniki damar zaɓar na'urori masu ƙuntataccen ma'auni don daidaitaccen aikin tsarin. Rarraba yana tabbatar da cewa duk LEDs a cikin rukuni sun cika takamaiman sharuddan lantarki da haske.

3. Nazarin Kwandon Ayyuka

3.1 Ƙarfin Gaba vs Gaban Igniyoyin Wuta

Kamar yadda aka nuna a Hotuna 1-6, gaban igiyar wuta yana karuwa sosai tare da ƙarfin gaba sama da gwiwa a kusan 1.4 V. A 1.6 V, igiyar wuta ta kai kusan 800 mA; a 1.7 V ta kai 1000 mA. Wannan dangantaka ta zama gama gari ga LEDs infrared kuma tana nuna buƙatar daidaitaccen tsarin sarrafa igiyar wuta.

3.2 Ƙarfin Haskaka vs Gaban Igniyoyin Wuta

Hotuna 1-7 yana nuna cewa ƙarfin haske yana karuwa kusan layi daya tare da gaban igiyar wuta har zuwa 1000 mA, tare da fara jiki sama da 800 mA. Don mafi girman inganci, ana ba da shawarar tuƙi a kusa da 800 mA.

3.3 Dogaro da Zafi

Hotuna 1-8 yana nuna cewa ƙarfin haske yana raguwa tare da karuwar zafin siyarwa (Ts). A 85 °C, haske ya ragu zuwa kusan 80% na darajar a 25 °C; a 105 °C ya faɗi zuwa 70%. Sarrafa zafi yana da mahimmanci don kiyaye fitarwa.

3.4 Rarraba Bakan

Bakan haske (Hotuna 1-9) yana ƙarewa a 850 nm tare da FWHM na 45 nm. Bakan yana kama da Gaussian, tare da ƙarancin haske ƙasa da 700 nm da sama da 1000 nm. Wannan kunkuntar band ɗin yana da kyau don tacewa da kuma daidaitawa da masu gano silicon.

3.5 Tsarin Haskaka

Zanen haske (Hotuna 1-10) yana nuna tsarin Lambertian mai kama da rabin kusurwar haske na ±45°, yana ba da jimlar kusurwar kallo 90°. Wannan yana ba da haske mai daidaito a kan faffadan yanki, wanda ya dace da tsarin CCTV da kyamara.

3.6 Mafi Girman Gaban Igniyoyin Wuta vs Zafi

Hotuna 1-11 yana nuna cewa mafi girman gaban igiyar wuta da aka yarda yana raguwa a layi sama da 25 °C, daga 1000 mA a 25 °C zuwa kusan 300 mA a 100 °C. Ƙararrawa yana zama dole don aiki a babban zafi.

4. Bayanin Gami da Injiniya

4.1 Girman Gami

Gani daga sama yana nuna murabba'in 3.50 mm. Tsawon gefen shine 2.29 mm. Gani daga ƙasa yana bayyana manyan pads guda biyu: pad cathode (2.62 mm × 2.44 mm) da pad anode (2.62 mm × 0.62 mm), tare da pad zafi na tsakiya (1.60 mm × 0.50 mm). Zanen siyarwa (Hotuna 1-5) yana nuna tsarin filin PCB da aka ba da shawara. An yi alamar polarity akan gami: cathode ana nuna ta hanyar tsagi ko alama.

4.2 Tape da Reel

Tape ɗin yana da faɗin 12.00 mm, nisa 4.00 mm, tare da alamar polarity. Girman reel: A (12.7±0.3 mm), B (330.2±2 mm), C (79.5±1 mm), D (14.3±0.2 mm). Kowane reel yana ƙunshe da guda 3000.

4.3 Bayanin Lakabin

Lakabin sun haɗa da Lambar Samfur, Lambar Spec, Lambar Lot, Lambar Bin, Yawanci, Kwanan wata, da ƙimar raba don Φe, WLP, da VF. Wannan yana tabbatar da bin diddigin da sarrafa rarraba.

5. Jagorar Siyarwa da Haɗawa

5.1 Bayanin Siyarwa na Reflow

Ana bayyana bayanin reflow da aka ba da shawara a Tebur 3-1 da Hotuna 3-1. Mahimman ma'auni: preheat a 150-200 °C na 60-120 s; lokaci sama da 217 °C (TL) shine 60-150 s; mafi girman zafi (TP) 260 °C tare da lokacin riƙewa na 10 s mafi girma. Ƙararrawa sama shine ≤3 °C/s, ƙararrawa ƙasa ≤6 °C/s. Reflow bai kamata a yi shi fiye da sau biyu ba.

5.2 Siyarwa da Gyara da Hannu

Siyarwa da hannu: zafin ƙarfe ƙasa da 300 °C na ƙasa da daƙiƙa 3, sau ɗaya kawai. Ana iya yin gyara tare da ƙarfe mai kai biyu amma dole ne a tabbatar ba ya lalata LED. Ka guji matsi a kan silicone encapsulant.

5.3 Bayanan Tsaro

Kada a ɗora abubuwa akan PCB da ba daidai ba. Ka guji damuwa na injiniya yayin sanyaya. Kada a sanyaya da sauri bayan siyarwa. Silicone encapsulant yana da taushi; sarrafa shi da hankali. Yi amfani da matsin lamba na pick-and-place da ya dace.

6. Tsare-tsare na Ajiya da Sarrafa

6.1 Yanayin Ajiya

Kafin buɗe jakar aluminum: ajiye a ≤30 °C da ≤75% RH har zuwa shekara 1 daga ranar samarwa. Bayan buɗewa: ≤30 °C da ≤60% RH na awanni 168. Idan alamar damshi ta canza ko lokacin ajiya ya wuce, ana buƙatar buƙata a 60±5 °C na awanni 24. Idan jakar ta lalace, tuntuɓi tallace.

6.2 Tsare-tsare na Sarrafa

Sulfur a cikin kayan haɗi bai kamata ya wuce 100 ppm ba. Bromine da Chlorine kowanne<900 ppm, jimlar<1500 ppm. VOCs daga kayan kayan aiki na iya canza launin silicone; yi amfani da kayan da suka dace. Sarrafa ta gefen gefe; kada a taɓa ruwan silicone na lens kai tsaye. Ana buƙatar kariya ta ESD (Hankalin ESD matakin 2 kV). Dole ne a yi daidaitaccen tsarin lantarki tare da masu iyakance igiyoyin wuta. Sarrafa zafi yana da mahimmanci: tabbatar da yaduwar zafi don kiyaye zafin junction ƙasa da 105 °C. Ana ba da shawarar tsaftacewa da isopropyl alcohol; tsaftacewa na ultrasonic na iya haifar da lalacewa.

7. Bayanin Gami da Oda

Gami na yau da kullun: guda 3000 a kowace reel. Lambar samfur ita ce RF-E35S9-IRB-FR. Kowane reel an rufe shi a cikin jakar kariya ta damshi tare da desiccant da alamar damshi. Akwatin cardboard na waje yana ɗauke da reels da yawa. Duba lakabin don takamaiman lambobin bin.

8. Shawarwari na Aikace-aikace

8.1 Aikace-aikace na Yau da Kullun

• Tsarin tsaro: haske na IR don kyamarori CCTV.
• Hasken infrared don kyamarori (ganin dare).
• Tsarin gani na injina: duban masana'antu, na'urorin barcode.
• Sensors: kusanci, gano motsi.

8.2 Abubuwan Da Ake la'akari da Zane

Yi amfani da matsakaitan iyakance igiyoyin wuta don kiyaye IF ƙasa da 1000 mA. Aiwatar da kyakkyawan sarrafa zafi: manyan pads na jan karfe, thermal vias, masu sanyaya zafi. Yi la'akari da aikin bugun jini don mafi girman igiyar wuta tare da ƙarancin aiki. Rike gajerun hanyoyi don rage inductance. Kare daga hasken waje idan ana amfani da masu gano mai matukar hankali.

9. Kwatancen Fasaha

Idan aka kwatanta da daidaitattun LEDs IR na 5mm, wannan gami na SMD EMC yana da ƙananan tsayi, mafi girman iko, da mafi kyawun aikin zafi. Gami hadaddiyar EMC tana ba da ƙarfin injiniya da juriya na damshi. Tsayin igiyar ruwa 850 nm ya fi 940 nm kyau ga tsarin gani saboda mafi kyawun amsawar silicon. Faɗin kusurwar kallo 90° yana sauƙaƙa zanen gani.

10. Tambayoyin da Aka Yawan Yi

Tambaya: Zan iya tuka wannan LED a 1000 mA DC?

A'a, matakan 1000 mA na bugun jini ne tare da 1/10 yanayin aiki da 0.1 ms faɗin bugun jini. Dole ne a rage DC sosai (mafi girma ~300 mA a 25°C).

Tambaya: Menene tsawon rayuwa na yau da kullun?

Tsawon rayuwa ya dogara da sarrafa zafi; rayuwar L70 ta yau da kullun shine >50,000 hours a yanayin da aka ƙayyade tare da isasshen sanyaya.

Tambaya: Yaya ake tsaftace LED?

Yi amfani da isopropyl alcohol. Kada a yi amfani da tsaftacewa na ultrasonic.

Tambaya: Shin na'urar ta dace da RoHS?

Ee, tana dacewa da RoHS kamar yadda aka bayyana a cikin halaye.

11. Misalin Aikace-aikace na Aiki

A cikin wani tsarin kyamara na IP, an shirya LEDs E35S9 huɗu a kusa da ruwan tabarau a nisa 20 mm. Ta amfani da ƙarfin gaba 1.5 V, an yi amfani da resistor iyakance igiyar wuta na 0.2 Ω ga kowane LED a jere tare da ƙarfin lantarki 12 V, amma ana buƙatar ƙididdiga mai kyau dangane da bugun jini. Tsarin haske gabaɗaya yana samar da rarrabuwa daidai ga nisa har zuwa mita 15. Zanen zafi ya haɗa da sanyaya aluminum da kayan zafi na mu'amala.

12. Ka'idar Aiki

Wannan LED infrared yana aiki ta hanyar electroluminescence a cikin diode semiconductor. Lokacin da aka tura gaba, electrons da ramuka suna sake haduwa a yankin aiki (wataƙila AlGaAs ko GaAs don 850 nm), suna fitar da photons a cikin bakan infrared kusa. Gami na EMC yana rufe chip ɗin kuma yana ba da kariya ta injiniya da kuma kyakkyawan tafiyar zafi.

13. Hanyoyin Ci Gaba

Fasahar LED Infrared tana tafiya zuwa mafi girman inganci da ƙarfin iko. Gami kamar EMC tare da ingantaccen sarrafa zafi yana ba da damar mafi girman gaban igiyoyin wuta. Tsayin igiyar ruwa kewaye 850 nm ya kasance daidaitattun don masu gano silicon. Haɗawa da kayan gani (lenses, reflectors) a cikin gami guda ya zama ruwan dare gama gari. Hanyoyin gaba sun haɗa da ingantacciyar dogaro a ƙarƙashin yanayi mai wahala da ƙananan sawun ƙasa.