RF-P28Q6-IRJ-FT Infrared LED 850nm Specification - Girma 2.8x3.5x2.11mm - Wutar Lantarki 1.6V - Ƙarfi 80mW

1. Bayanin Samfur

1.1 Bayani Gabaɗaya

Wannan samfurin LED infrared ne da ke amfani da fakitin PPA (Polyphthalamide). Yana ba da aminci mai girma kuma ana amfani da shi sosai a cikin sa ido na tsaro da aikace-aikacen na'urar firikwensin. Na'urar tana da ƙananan girma na 2.80 mm × 3.50 mm × 2.11 mm (tsawo × faɗi × tsawo). Fakitin PPA yana ba da kariya mai ƙarfi ta injiniyanci da watsa zafi mai kyau.

1.2 Fasaloli

• Low forward voltage, yana tabbatar da ingantaccen amfani da makamashi.
• Tsawon zango λp = 850 nm, ya dace da aikace-aikacen infrared na kusa.
• Ya dace da sake tura soldering ba tare da gubar ba, yana biyan buƙatun muhalli.
• Matsayin ɗanɗano: Level 5 (MSL 5), yana buƙatar kulawa da hankali.
• Ya dace da RoHS, ba shi da abubuwa masu haɗari.

1.3 Aikace-aikace

• Tsarin sa ido da kyamarori na tsaro.
• Hasken infrared don kyamarori da kayan hangen nesa na dare.
• Tsarin hangen nesa na inji don sarrafa kai tsaye na masana'antu.

2. Girman Fakitin da Tsarin Sake Tura Soldering

An nuna iyakokin fakitin a cikin zane-zane na takaddun bayanai. Duban sama yana nuna jiki rectangular na 2.80 mm × 3.50 mm. Duban gefe yana nuna kauri na 2.11 mm. Akwai alamar polarity a kusurwa ɗaya don gano cathode. Duban kasa yana nuna ƙofofin lamba: manyan ƙofofi biyu don anode da cathode, tare da girman da aka bayar don shimfidar PCB. An ba da shawarar tsarin sake tura soldering (footprint) a cikin Hoto 1-5, tare da girman ƙofofi na 1.85 mm × 1.25 mm da nisa na 1.80 mm. Duk girma da ke cikin millimeters tare da haƙuri na ±0.2 mm sai dai in an faɗi.

3. Halaye na Lantarki da Na Gani

3.1 Sigogin Lantarki/Na Gani a Ts=25°C

Tebur 1-1 ya lissafa mahimman halaye na lantarki da na gani da aka auna a zafin jiki na 25°C a wurin soldering. Ana saita gudanar da gaba (IF) a 50 mA don duk aunoni. Gudanar da baya (IR) a VR=5V yawanci ƙanana ne (<10 µA). Wutar gaba (VF) ta kai daga 1.4 V na yau da kullun zuwa 1.6 V mafi girma. Tsawon zango na kololuwa (λp) shine 850 nm, tare da faɗin radiyon bakan (Δλ) na 30 nm, yana nuna bakan haske mai kunkuntar a tsakiyar infrared na kusa. Jimlar hasken radiyo (Φe) yawanci 28 mW ne, tare da mafi ƙanƙanta na 14 mW. Kallon kusurwa (2θ1/2) shine digiri 70, yana ba da tsarin haske mai matsakaicin faɗi. Jirgin zafi daga haɗin gwiwa zuwa wurin soldering (RθJ-S) shine 50 °C/W, wanda ke da muhimmanci don sarrafa zafi.

3.2 Matsayin iyaka mafi girman da aka yarda

Tebur 1-2 yana ba da matsayin iyaka mafi girman da aka yarda wanda ba za a iya wuce shi ba don hana lalacewa. Iyakar wutar lantarki (PD) ta iyakance zuwa 80 mW. Gudanar da gaba (IF) bai kamata ya wuce 50 mA ba (lura: a 1/10 na zagayen aiki, faɗin bugun 0.1 ms, gudanar na iya zama mafi girma, amma aiki na DC ya iyakance zuwa 50 mA). Wutar baya (VR) shine 5 V. Ƙarfin juriyar fitar da lantarki (ESD) (HBM) shine 2000 V. Kewayon zafin aiki shine -40°C zuwa +85°C, kuma kewayon zafin ajiya shima -40°C zuwa +85°C. Zafin haɗin gwiwa (TJ) bai kamata ya wuce 105°C ba. Ana buƙatar ingantaccen watsa zafi da rage gudanar don kasancewa cikin waɗannan iyakoki.

4. Kuriyoyin Halaye na Gani na Yau da Kullun

Takardar bayani ta ƙunshi kuriyoyin halaye na yau da kullun don taimakawa cikin ƙira.

4.1 Wutar Gaba vs. Gudanar da Gaba (Hoto 1-6)

Wannan kuriya yana nuna alaƙa tsakanin wutar gaba (VF) da gudanar da gaba (IF). Yayin da IF ke ƙaruwa daga 0 zuwa 60 mA, VF yana ƙaruwa daga kusan 1.3 V zuwa 1.7 V. Kuriya ba shi da madaidaiciya, kamar yadda yake a LEDs.

4.2 Gudanar da Gaba vs. Ƙarfin Dangi (Hoto 1-7)

Ƙarfin dangi yana ƙaruwa kusan a madaidaici tare da gudanar da gaba har zuwa 50 mA. A 50 mA, ƙarfin dangi yana kusan 100% (ma'auni). Wannan yana nuna cewa gudanar mafi girma yana samar da ƙarfin radiyo daidai da shi, amma tasirin zafi na iya iyakance a gudanar mafi girma.

4.3 Zafin Jiki vs. Ƙarfin Dangi (Hoto 1-8)

Yayin da zafin jiki na wurin soldering (Ts) yake ƙaruwa daga 5°C zuwa 125°C, ƙarfin dangi yana raguwa a hankali. A 85°C, ƙarfin dangi ya faɗi zuwa kusan 80% na darajar a 25°C. Wannan rage gudanar saboda zafi ya kamata a yi la'akari a cikin mahallin zafin jiki mai girma.

4.4 Rarraba Bakan (Hoto 1-9)

Fitar bakan ta tashi daga kusan 800 nm zuwa 900 nm, tare da kololuwa a 850 nm. Cikakken faɗi a rabin matsakaicin (FWHM) shine kusan 30 nm, yana tabbatar da kunkuntar faɗin bakan.

4.5 Tsarin Radiyo (Hoto 1-10)

Tsarin radiyo yana nuna ƙarfin haske na dangi a matsayin aikin kusurwa. Rabin kusurwa (ƙarfin 50%) yana kusan digiri 35 daga ginshikin gani, wanda ya dace da jimillar kusurwar kallon digiri 70.

4.6 Zafin Jiki vs. Rage Gudanar da Gaba (Hoto 1-11)

Wannan kuriya yana nuna mafi girman gudanar da gaba da aka yarda a matsayin aikin zafin jiki na wurin soldering. A 25°C, mafi girman gudanar shine 50 mA. Yayin da zafin jiki yake ƙaruwa, gudanar da aka yarda yana raguwa a madaidaici zuwa sifili a kusan 105°C (iyakar zafin haɗin gwiwa). Wannan rage gudanar yana da muhimmanci don aiki mai dogaro.

5. Bayanin Shirya Kaya

5.1 Tebur na Jigilar Kaya da Roli

Ana shirya LEDs a cikin tebur na jigilar kaya tare da alamar polarity don shirya hanya. Kowace roli tana ƙunshe da adadin 3,500. Girman roli: diamita na waje A = 330.2 ± 2 mm, diamita na ciki B = 12.7 ± 0.3 mm, faɗi C = 79.5 ± 1 mm, da rami na spindle D = 14.3 ± 0.2 mm. An nuna hanyar ciyar da tebur.

5.2 Tsarin Lakabin

Lakabin kowace roli sun haɗa da Lambar Sashe, Lambar Spec, Lambar Lot, Lambar Bin, Yawa, da Kwanan wata. Bugu da ƙari, lambar bin tana nuna jimillar hasken radiyo (Φe), tsawon zango na kololuwa (WLP), da wutar gaba (VF) don dalilai na binning.

5.3 Shirya Kaya Mai Tsayayya da Danshi

Ana sanya rololi a cikin jakar shinge mai danshi tare da bushewa, tare da katin nuna danshi. Sannan ana rufe jakar da lakabi. Wannan shirin yana kare LEDs daga ɗaukar danshi, saboda matsayinsu na MSL Level 5.

5.4 Akwati na Kwali

Ana shirya rololi da yawa a cikin akwati na kwali don jigilar kaya. An lakabi akwatin da bayanin samfur da kuma kariya.

6. Abubuwan Gwajin Dogaro da Ka'idoji

6.1 Gwajin Dogaro

Ana gudanar da gwaje-gwajen dogaro da yawa bisa ga ka'idojin JEDEC: Sake tura soldering (260°C max, zagaye 3), Zagayen Zafin Jiki (-40°C zuwa 100°C, zagaye 100), Girgizar Zafin Jiki (-40°C zuwa 100°C, zagaye 300), Ajiyar Zafin Jiki Mai Girma (100°C, sa'o'i 1000), Ajiyar Zafin Jiki Mai Ƙarƙashi (-40°C, sa'o'i 1000), da Gwajin Rayuwa (25°C, IF=50mA, sa'o'i 1000). Matsayin karɓa shine 0 gazawa daga cikin samfurori 10 (0/1).

6.2 Ka'idoji don Hukunta Lalacewa

Bayan gwajin dogaro, ana amfani da iyakoki masu zuwa: wutar gaba (VF) bai kamata ta wuce babban matsayin da aka kayyade (USL) da aka ninka da 1.1; gudanar da baya (IR) bai kamata ya wuce USL da aka ninka da 2.0; jimillar hasken radiyo (Φe) bai kamata ya zama ƙasa da ƙananan matsayin da aka kayyade (LSL) da aka ninka da 0.7. Waɗannan ka'idoji sun tabbatar da cewa LEDs suna ci gaba da aiki mai karɓuwa bayan damuwa.

7. Umarnin Sake Tura Soldering na SMT

7.1 Bayanin Sake Tura Soldering

An nuna tsarin sake tura soldering da aka ba da shawarar a cikin Hoto 3-1. Mahimman sigogi: matsakaicin ƙarfin hawan sama ≤ 3°C/s; kewayon zafin jiki na farko 160°C zuwa 200°C tare da tsawon lokaci na daƙiƙa 60-120; lokaci sama da 220°C (TL) shine daƙiƙa 60 max; matsakaicin zafin jiki (TP) shine 260°C tare da lokacin riƙewa a cikin 5°C na matsakaicin har zuwa daƙiƙa 5; saurin saukowa ≤ 6°C/s. Jimillar lokaci daga 25°C zuwa matsakaicin ya kamata ya kasance cikin mintuna 8. An yarda da zagaye biyu kawai na sake tura soldering. Idan fiye da sa'o'i 24 sun wuce bayan sake tura soldering na farko, LEDs na iya lalacewa.

7.2 Sake Tura Soldering da Gyara da Hannu

Idan ana buƙatar soldering da hannu, yi amfani da ƙarfe mai zafi ƙasa da 300°C na ƙasa da daƙiƙa 3, kuma yi sau ɗaya kawai. Gabaɗaya ya kamata a guji gyara; idan ya zama dole, yi amfani da ƙarfe mai zafi mai kai biyu kuma tabbatar da cewa babu lalacewa.

7.3 Kariya

Kada a shigar da abubuwa a wuraren PCB da suka lankwasa. Kada a yi matsin lamba ta injiniyanci ko girgiza yayin sanyaya. Kada a sanyaya na'urori da sauri bayan soldering.

8. Kariya da Yanayin Ajiya

8.1 La'akari da Muhalli

Yanayin aikin LED ya kamata ya kasance da abun sulfur ƙasa da 100 PPM a cikin kayan haɗi. Abubuwan Bromine da Chlorine a cikin kayan waje ya kamata kowanne ya zama ƙasa da 900 PPM, tare da jimillar ƙasa da 1500 PPM. VOCs daga kayan kayan aiki na iya shiga cikin murfin silicone kuma ya haifar da canza launi; don haka ya kamata a yi amfani da kayan da suka dace kawai.

8.2 Kulawa ta Injiniyanci

Ya kamata a riƙe abubuwa ta gefen saman ta amfani da fil. Kada a taɓa ruwan tabarau na silicone kai tsaye, saboda hakan na iya lalata kewayen ciki.

8.3 Zane na Kewayen

Gudanar da kowane LED bai kamata ya wuce matsakaicin darajar da aka yarda ba. Yi amfani da resistors masu iyakance gudanar don hana haɓakar gudanar. Kewayen tuki dole ne ya ba da damar wutar gaba kawai lokacin da aka kunna; wutar baya na iya haifar da motsi da lalacewa. Zane na zafi yana da muhimmanci - ana buƙatar isasshen watsa zafi don kiyaye zafin haɗin gwiwa ƙasa da 105°C.

8.4 Yanayin Ajiya

Kafin buɗe jakar aluminum, adana a ≤30°C da ≤75% RH har zuwa shekara 1 daga ranar da aka shirya kaya. Bayan buɗewa, adana a ≤30°C da ≤60% RH, kuma kammala soldering cikin sa'o'i 48. Idan mai nuna danshi ya nuna danshi mai yawa ko kuma lokacin ajiya ya wuce, gasa LEDs a 60±5°C na akalla sa'o'i 24 kafin amfani.

8.5 Kariya daga ESD

LEDs suna da hankali ga fitar da lantarki (ESD) da yawan damuwa na lantarki (EOS). Ya kamata a ɗauki matakan kariya na ESD yayin kulawa da haɗawa. Ƙarfin juriyar ESD (HBM) shine 2000 V, amma ana ba da shawarar kariya duk da haka.