IR LED 3.8x3.8x2.28mm 850nm 2W EMC Package - Forward Voltage 1.8V - Radiant Flux 800mW - Takardar Bayani ta Hausa

1. Bayanin Samfur

RF-E38A8-IR3-FR LED infrared ne wanda aka tsara don ayyuka masu dogaro. Yana amfani da marufi na EMC (Epoxy Molding Compound), yana ba da ƙarfi da kuma sarrafa zafi mai inganci. Tare da ƙaramin girma na 3.80mm × 3.80mm × 2.28mm, yana shiga cikin ƙirar gani daban-daban. LED ɗin yana fitar da tsayin igiyar ruwa na 850nm, wanda ya dace da sa ido, haske na infrared, da tsarin firikwensin. Yana bin ka'idodin RoHS kuma yana da matakin damshin 3.

2. Bincike Mai Zurfi na Sigogin Fasaha

2.1 Halayen Lantarki da Haske (a Ts=25°C)

Na'urar tana aiki tare da ƙarfin gaba (VF) wanda yawanci 1.8V kuma mafi girma 2.3V a 1000mA na yanzu na gaba (IF). Yanzu na baya (IR) yana iyakance zuwa 10µA a VR=5V. Jimlar haske mai radiated (Φe) yawanci 800mW ne, tare da mafi girma 1120mW. Kusurwar kallo (2θ1/2) digiri 80 ne, yana ba da tsarin haske mai faɗi wanda ya dace da haskaka yankin. Tsawon igiyar ruwa shine 850nm tare da faɗin bakan 39nm. Juriya na zafi daga haɗin gwiwa zuwa wurin siyar (RTHJ-S) shine 11°C/W, yana nuna kyakkyawan tafiyar da zafi.

2.2 Matsakaicin Ƙididdiga Masu Amintattu

Ƙaddamar da wutar lantarki (PD) shine 2W, yanzu na gaba (IF) mafi girma 1000mA, ƙarfin baya (VR) mafi girma 5V. Ƙaddamar da wutar lantarki mai tsauri (ESD, HBM) yana jure har 2000V. Matsakaicin zafin aiki shine -40°C zuwa +85°C, zafin ajiya -40°C zuwa +100°C, zafin haɗin gwiwa (TJ) mafi girma 125°C. Lura cewa ana buƙatar rage daraja dangane da zafin wurin siyar; ya kamata a rage yanzu na gaba yayin aiki a yanayin zafi mai girma.

3. Bayanin Tsarin Rarraba (Binning)

Ko da yake takardar bayani ba ta yi cikakken bayani game da lambobin bin ba, ƙayyadaddun lakabin sun haɗa da filayen BIN CODE, jimlar haske mai radiated (Φe), tsayin igiyar ruwa (WLP), da ƙarfin gaba (VF). Wannan yana nuna ana rarraba samfurin ta waɗannan sigogi. Nau'ikan rarrabuwa na yau da kullun sun haɗa da bins na haske (misali, R, S, T) da bins na ƙarfin lantarki (misali, V1, V2). Haƙurin tsayin igiyar ruwa yawanci ±5nm ne a kusa da 850nm. Abokan ciniki ya kamata su koma zuwa lambobin oda don takamaiman buƙatun bin.

4. Bincike na Ƙididdiga na Aiki

4.1 Ƙarfin Gaba vs. Yanzu na Gaba

Matsakaicin I-V yana nuna yanzu na gaba yana tashi daga ~200mA a 1.5V zuwa 1000mA a kusan 1.8V. Matsakaicin yana nuna halayen gaba na diode na yau da kullun tare da juriya mai motsi kusan 0.3-0.4Ω a yankin aiki.

4.2 Yanzu na Gaba vs. Ƙarfin Haske na Dangi

Ƙarfin haske na dangi yana ƙaruwa kusan daidai da yanzu na gaba daga 200mA zuwa 1000mA. A 1000mA fitarwa kusan 100% (an daidaita), tare da ɗan jiki a manyan magudanan ruwa. Wannan daidaituwa yana sauƙaƙa ƙirar sarrafa yanzu.

4.3 Dogaro da Zafin Jiki

Ƙarfin haske na dangi yana raguwa tare da ƙara yawan zafin wurin siyar. A 85°C, ƙarfin yana faɗuwa zuwa kusan 80% na darajar a 25°C. Sarrafa zafi yana da mahimmanci don kiyaye fitarwar haske mai daidaituwa a yanayin zafi mai girma.

4.4 Rarraba Bakan

Fitarwar bakan tana tsakiya a 850nm tare da cikakken faɗin rabin mafi girma (FWHM) na kusan 39nm. Matsakaicin yana da ma'anar, wanda ya dace da LEDs infrared na tushen GaAs. Babu wani fitarwa mai mahimmanci a waje da kewayon 780-950nm.

4.5 Tsarin Haske

Tsarin haske yana nuna rarraba kamar Lambertian tare da kusurwar rabin digiri 80. Ƙarfin haske na dangi yana sama da 50% daga -40° zuwa +40°, yana sa LED ya dace da aikace-aikacen haskaka mai faɗi.

4.6 Rage Darajar Yanzu na Gaba

Matsakaicin yanzu na gaba dole ne a rage shi daidai daga 1000mA a 25°C zuwa 0mA a 125°C. Wannan matsayi yana da muhimmanci ga ƙirar zafi; a aikace a 85°C yanzun da aka yarda yana kusan 600mA.

5. Bayanin Makanikai da Marufi

5.1 Girman Marufi

LED ɗin yana da marufi mara tushe mai girma 3.80mm (tsawon) × 3.80mm (faɗi) × 2.28mm (tsawo). Ana nuna polarity ta hanyar daraja a saman: anodes biyu (pins 1 da 2) da cathode ɗaya (pin 3) a ƙasan kallo. Tsarin shimfidar wurin siyar da aka ba da shawarar ya haɗa da babban kushin na tsakiya 2.7mm ta 2.7mm don watsar da zafi.

5.2 Tebur mai ɗaukar kaya da Reel

Marufi yana cikin tebur mai ɗaukar kaya mai faɗi 12mm tare da fakitin 4mm, 3000 kowane reel. Girman reel ɗin yana bin ƙa'idodin EIA-481: diamita na flange 330.2mm, diamita na hub 79.5mm. Tebur ɗin ya haɗa da alamomin polarity.

6. Jagororin Siyarwa da Haɗawa

6.1 Tsarin Siyarwa na Reflow

Bi tsarin reflow na JEDEC J-STD-020 mara gubar. Preheat daga 150°C zuwa 200°C na tsawon daƙiƙa 60-120, ƙimar hawa ≤3°C/s, lokaci sama da 217°C (TL) har zuwa daƙiƙa 60, mafi girman zafin jiki 260°C (mafi 10 daƙiƙa a 260°C). Ƙimar sanyaya ≤6°C/s. Kar a wuce wuce gona da iri na reflow sau biyu; idan tazara ta wuce sa'o'i 24, ana buƙatar toya kafin siyarwa.

6.2 Siyarwa da Gyara da Hannu

Siyarwa da hannu: zafin ƙarfe<300°C, tsawon lokaci

6.3 Ajiya da Sarrafa Damshi

Matsayin damshi 3. Ajiye buhunan da ba a buɗe ba a ≤30°C/≤75%RH har zuwa shekara 1. Bayan buɗewa, yi amfani da shi cikin sa'o'i 168 (≤30°C/≤60%RH) ko kuma toya a 60±5°C na tsawon > sa'o'i 24 kafin amfani. Kada a yi amfani da shi idan bushewa ya ƙare ko buhun ya lalace.

7. Bayanin Marufi da Oda

Marufi na yau da kullun: 3000 kowane reel. Ana rufe reels ɗin a cikin jakar hana damshi tare da silica gel da alamar zafi. Lakabin ya haɗa da lambar sashi, lambar layi, lambobin bin, adadi, da lambar kwanan wata. Akwatunan waje sun ƙunshi reels da yawa.

8. Shawarwarin Aikace-aikace

8.1 Aikace-aikace na Yau da Kullun

Kyamarorin sa ido, haske na IR don tsaro, tsarin gani na inji, firikwensin kusanci, da watsa bayanai na gani. Tsayin igiyar ruwa 850nm ya dace da kyamarori na CMOS/CCD.

8.2 Abubuwan Duba na Ƙira

Sarrafa zafi: yi amfani da yankin jan karfe na PCB mai isasshen abu da hanyoyin zafi. Kada a taɓa wuce matsakaicin ƙididdiga masu amintattu. Koyaushe haɗa da resistor mai iyakance yanzu ko direba na yau da kullun don hana guduwar zafi. Guji ƙarfin baya. Kare LEDs daga fitar da wutar lantarki mai tsauri ta hanyar amfani da ƙasan ƙasa da sarrafawa. Guji fallasa ga sulfur, bromine, chlorine mahaɗan da ke sama da ƙayyadaddun iyakoki. Kada a sanya damuwa na inji ga ruwan tabarau na silicone.

8.3 Tsaftacewa

Ana ba da shawarar isopropyl alcohol don tsaftacewa. Kada a yi amfani da kaushi wanda zai iya lalata marufi. Ba a ba da shawarar tsaftacewa ta ultrasonic ba domin yana iya lalata haɗin waya na ciki.

9. Kwatanta Fasaha tare da Samfuran Masu Rikici

Idan aka kwatanta da daidaitattun LEDs na IR na 5mm, marufi na EMC yana ba da iko na sama (2W vs 100mW na yau da kullun) da kuma sarrafa zafi mafi kyau. Masu fitar da infrared masu matsakaicin ƙarfi a cikin marufai na SMD iri ɗaya (misali, 3.5x3.5mm) galibi suna da ƙarancin haske mai radiated (500-700mW) ko kusurwar kallo mai faɗi (120°). Kusurwar katako na 80° na wannan na'urar tana ba da mafi kyawun haɗaɗɗiya don haskaka mai nisa. Ƙarƙashin ƙarfin gaba (1.8V) yana rage asarar wutar lantarki a cikin da'irori masu tuƙi.

10. Tambayoyin da Aka Yi Yawa (FAQ)

Tambaya 1: Zan iya tuka wannan LED a 2A?
A'a, mafi girman yanzu na gaba shine 1000mA. Wuce wannan zai haifar da zafi mai yawa da lalacewa na dindindin.

Tambaya 2: Menene shawarar tuka yanzu don mafi kyawun inganci?
Inganci (haske mai radiated vs. ikon shigarwa) gabaɗaya yana da kyau a kusa da 500-800mA. Dubi matsayin yanzu na gaba vs. ƙarfin haske na dangi.

Tambaya 3: Shin LED ɗin ya dace da aiki na ci gaba?
Ee, idan sarrafa zafi yana kiyaye zafin haɗin gwiwa a ƙasa da 125°C. Aiki na bugun jini tare da ɗawainiya kasa da 10% da kuma ɗan gajeren faɗin bugun jini (0.1ms) zai iya samun mafi girma daga kololuwar yanzu.

11. Hanyoyin Aikace-aikace na Aiki

Misali na 1: Hasken dare na CCTV
Jerin LEDs 4, kowanne ana tukawa a 700mA, jimlar wutar lantarki ~5W, yana ba da haske don filin gani na mita 20. Kayan sanyaya mai dacewa yana kiyaye haɓakar zafi a ƙasa da 30°C.

Misali na 2: Hasken bugun jini na masana'antu
LEDs biyu a jere, ana buga su a 1A tare da ɗawainiya 1%, an haɗa su tare da jan hankali na kyamara. Yana samun ƙarfin haske mai girma don dubawa mai sauri.

12. Ka'idodin Aiki

LEDs na infrared sun dogara ne akan semiconductor na bandgap kai tsaye (AlGaAs ko GaAs). Lokacin da aka matsa gaba, electrons suna sake haɗuwa da ramuka a yankin aiki, suna fitar da photons tare da makamashin da ya dace da bandgap (~1.46 eV don 850nm). Marufi na EMC yana ɗaukar guntu a kan leadframe na ƙarfe don cire zafi. Ruwan tabarau na silicone yana haɓaka ingancin cirewa da siffanta tsarin haske.

13. Hanyoyin Ci Gaba

Kasuwancin yana nufi zuwa mafi girman nau'in wutar lantarki (2W da sama) a cikin marufai na SMD masu ƙarami don aikace-aikace masu ƙuntataccen sarari. Ingantawa a cikin fasahar infrared mara phosphor tana mai da hankali kan mafi girman ingancin juyawa da kuma dogaro na zafi mafi kyau. Layukan guntu da yawa da kayan gani masu haɗaka suna fitowa don saduwa da buƙatun haskaka daban-daban. Wannan samfurin ya dace da yanayin ƙarami da babban aiki don tsaro da jin daɗin masana'antu.