Bayanan LED Amber 3.2x1.6x0.7mm - Ƙarfin Gaba 2.0V - Ƙarfin Wuta 72mW - Takardar Fasaha

1. Bayani Gabaɗaya Game da Samfur

Wannan bayani ya shafi LED amber mai hawa sama a cikin fakiti 3.2mm × 1.6mm × 0.7mm. An yi ta ta amfani da guntun amber kuma an tsara ta don nunawa da haskakawa gabaɗaya. Abubuwan da suka fi dacewa sun haɗa da kusurwar gani mai faɗi sosai, daidaito da haɗe-haɗe na SMT da matakai na solder, matakin zafi mai laushi 3, da kuma bin RoHS. Aikace-aikace na yau da kullun sun haɗa da masu nuna haske, nunin maɓalli da alamomi, da kayan lantarki na gabaɗaya.

2. Zurfafa Binciken Siffofin Fasaha

2.1 Halayen Lantarki / Na Gani

A yanayin zafi na 25°C da ƙarfin gaba na 20mA, LED tana nuna waɗannan halayen (ƙimomi na yau da kullun ne sai dai an ambata):

• Ƙarfin Gaba (VF):Ana samuwa a cikin bins uku na ƙarfi: B0 (1.8-2.0V), C0 (2.0-2.2V), D0 (2.2-2.4V). Ƙimar misali ita ce 2.0V.
• Tsawon Wutar Daɗi (λD):Yana kewayo daga 600nm zuwa 615nm bisa ga bin (A00: 600-605nm, B00: 605-610nm, C00: 610-615nm).
• Ƙarfin Haske (IV):Ana ba da shi a cikin bins huɗu na haske: 1AP (90-120mcd), G20 (120-150mcd), 1AW (150-200mcd), 1GK (200-260mcd).
• Kusurwar Gani (2θ1/2):Digiri 140 na yau da kullun.
• Ƙarfin Juya Baya (IR):Matsakaicin 10μA a VR=5V.
• Juriya na Zafi (RTHJ-S):Matsakaicin 450 K/W (haɗin gwiwa zuwa wurin solder).
• Faɗin Rabin Band na Bakan Gani:15nm na yau da kullun.

2.2 Matsakaicin Matsakaicin Ƙarfi

Kada a yi amfani da na'urar fiye da waɗannan iyakokin:

• Ƙarfin Wuta (Pd): 72mW
• Ƙarfin Gaba (IF): 30mA (ci gaba), 60mA (kololuwa, 1/10 da'irar aiki, bugun 0.1ms)
• Fitowar Wutar Lantarki (HBM): 2000V
• Zazzabin Aiki: -40°C zuwa +85°C
• Zazzabin Ajiya: -40°C zuwa +85°C
• Zazzabin Haɗin Gwiwa: 95°C mafi girma

3. Tsarin Rarraba Bin

LED an rarraba ta zuwa bins da yawa don ƙarfi, tsawon wuta, da ƙarfin haske don tabbatar da daidaito. Tebur da ke ƙasa ya taƙaita lambobin bin:

An ɗauki dukkan ma'auni a IF=20mA da Ta=25°C. Haƙuri: VF ±0.1V, λD ±2nm, IV ±10%.

4. Binciken Lafiyar Aiki

4.1 Ƙarfin Gaba da Ƙarfin Gaba

Hoto 1-6 yana nuna lanƙwasa diode na yau da kullun: ƙarfin gaba yana ƙaruwa da sauri tare da ƙarfin gaba. A 20mA, VF yana kusan 2.0V.

4.2 Ƙarfin Haske na Dangi da Ƙarfin Gaba

Hoto 1-7 yana nuna cewa ƙarfin haske na dangi yana ƙaruwa kusan madaidaiciya tare da ƙarfin gaba har zuwa 30mA, yana ba da damar sarrafa haske cikin sauƙi.

4.3 Dogaro da Zazzabi

Hoto 1-8 yana nuna cewa ƙarfin haske na dangi yana raguwa kaɗan tare da hauhawar zazzabi. A 100°C, haske ya faɗi zuwa kusan 70% na ƙimar 25°C. Hoto 1-9 yana ba da lanƙwasa rage ƙarfi don ƙarfin gaba vs. zazzabin fil; mafi girman ƙarfin da aka yarda yana raguwa a zazzabi mafi girma don guje wa wuce iyakar zazzabin haɗin gwiwa.

4.4 Canjin Tsawon Wuta

Hoto 1-10 yana nuna canjin tsawon wutar daɗi tare da ƙarfin gaba. A 20mA, tsawon wuta yana kusa da tsakiyar kewayon bin. Yayin da ƙarfin ke ƙaruwa, tsawon wuta na iya canjawa kaɗan saboda tasirin zazzabi.

4.5 Rarraba Bakan Gani

Hoto 1-11 yana nuna ƙarfin haske na dangi daga 400nm zuwa 700nm. Kololuwa tana kusan 600-615nm, daidai da launin amber. Faɗin rabin band na bakan gani yana kusan 15nm, yana nuna tsaftar launi.

4.6 Tsarin Hasken Rana

Hoto 1-12 yana nuna kusurwar gani mai faɗi na 140°. Ƙarfin haske yana da daidaito a faɗin ±70°, yana sa wannan LED ta dace da aikace-aikacen nuni da ke buƙatar ganuwa mai faɗi.

5. Bayani Kan Makanikai da Fakiti

LED tana cikin fakiti na hawa sama na yau da kullun 3.2mm × 1.6mm × 0.7mm (tsawo × faɗi × tsayi). Zane-zanen fakiti sun nuna polarity: fil 1 an yiwa alama a matsayin anode, fil 2 a matsayin cathode. An bayar da tsarin solder da aka ba da shawarar a Hoto 1-5, tare da girma a millimeters. Ƙirar pad na PCB ya kamata ya haɗa da pad na zafi don haɓaka fitar da zafi. Duk girma suna da haƙuri na ±0.2mm sai dai an ambata.

6. Jagororin Solder da Haɗawa

LED an tsara ta don solder reflow na SMT na yau da kullun. Tsarin reflow da aka ba da shawarar ya kamata ya bi ka'idodin JEDEC, tare da mafi girman zazzabi na 260°C na fiye da daƙiƙa 10 (matsakaicin wucewa biyu). Samfur yana da zafi mai laushi (MSL matakin 3), don haka dole ne a sarrafa shi bisa ga IPC/JEDEC J-STD-020. Idan an buɗe jakar hana zafi, dole ne a yi amfani da na'urorin a cikin sa'o'i 168, ko kuma a gasa su kafin solder. Ka guji fallasa ga yanayin da ya wuce 30°C/60% RH. Ba a ba da shawarar solder da hannu ba; idan ya zama dole, yi amfani da ƙarfen solder da aka saita zuwa 350°C na fiye da daƙiƙa 3 a kowane pad.

7. Bayani Kan Marufi da Oda

LED ana ba da ita a kan tef mai ɗaukar kaya 8mm a cikin reel mai diamita 178mm, tare da guda 4000 a kowace reel. Tef ɗin yana da mataki na 4mm da kuma hanyar ciyarwa kamar yadda aka nuna. Kowace reel ana sanya ta a cikin jakar hana zafi tare da busasshiyar sinadari da kati mai nuna danshi. Lakabin yana ƙunshe da lambar sashi, lambar bayani, lambar lot, lambar bin, yawan adadi, da kwanan wata. Jakar da aka rufe ana tattara ta a cikin akwatin kwali don jigilar kaya. Don aminci, samfur ya wuce gwajin zazzabi na sake zagayawa (-40°C zuwa +100°C, zagaye 100), girgizar zafi (zagaye 300), ajiya a zazzabi mai girma (100°C, awa 1000), ajiya a zazzabi mara ƙanƙanta (-40°C, awa 1000), da gwajin rayuwa (20mA a 25°C, awa 1000). An ayyana sharuɗɗan karɓa: ƙarfin gaba bai kamata ya wuce 1.1× iyakar ƙayyadaddun ƙa'ida ba, ƙarfin juyawa bai kamata ya wuce 2× iyakar ƙayyadaddun ƙa'ida ba, kuma ƙarfin haske bai kamata ya faɗi ƙasa da 0.7× iyakar ƙasa ba.

8. Bayanan Aikace-aikace

Wannan LED amber tana da kyau don amfani a matsayin mai nuna gani a cikin kayan lantarki na masu amfani, hasken ciki na motoci, allon sarrafa masana'antu, da hasken baya don maɓalli da alamomi. Saboda kusurwar ganinta mai faɗi, tana da tasiri a aikace-aikacen da nunin dole ne a gani daga kusurwoyi daban-daban. Masu tsara ya kamata su yi la'akari da amfani da resistor mai iyakance ƙarfi don tabbatar da cewa ƙarfin gaba bai wuce 30mA (ko ƙimar da aka rage a zazzabi mai girma) ba. Don aiki na bugun jini, ana ba da izinin ƙarfin kololuwa har zuwa 60mA tare da ƙarancin da'irar aiki (≤10%) da ɗan gajeren bugun (≤0.1ms). Gudanar da zafi da ya dace, kamar pad na zafi ko tsarin via a kan PCB, yana taimakawa wajen kiyaye zazzabin haɗin gwiwa ƙasa da 95°C. Ana ba da shawarar kariya ta ESD saboda na'urar tana da ƙima 2000V HBM; yi la'akari da ƙara resistor a jere ko Zener diode idan aikace-aikacen yana da rauni ga fitowar wutar lantarki.

9. Kwatanta Daɗi da Samfura Makamantan

Idan aka kwatanta da LED amber 0603 (1.6×0.8mm) na yau da kullun, wannan fakiti na 3.2×1.6mm yana ba da ƙarfin haske mafi girma (har 260mcd) da kusurwar gani mafi faɗi (140° vs 120° na yau da kullun). Pad na zafi mafi girma yana ba da damar fitar da zafi mafi kyau, yana ba da damar ƙarfin gaba mafi girma don fitar da haske mai haske. Juriya na zafi mara ƙarfi (450K/W) yana tabbatar da aiki mai tsayi a kan zazzabi. Bugu da ƙari, rarrabawar bin mai tsauri (bins da yawa na ƙarfi da tsawon wuta) yana ba da sassauci mafi girma na ƙira da daidaiton launi fiye da yawancin LED amber na gabaɗaya.

10. Tambayoyi da Amsoshi

Tambaya: Menene ƙarfin aiki da aka ba da shawarar don mafi girman aminci?Amsa: Don tsawon rayuwa, ana ba da shawarar aiki a 20mA (yanayin gwaji). Ƙarin ƙarfi (har zuwa 30mA) yana yiwuwa tare da isasshen sarrafa zafi.

Tambaya: Ko za a iya amfani da wannan LED a aikace-aikacen waje?Amsa: Kewayon zazzabin aiki shine -40°C zuwa +85°C, don haka ana iya amfani da ita a waje idan an rufe ta daga zafi. Duk da haka, fakitin kanta ba ta hana ruwa.

Tambaya: Yaya zan fahimci lambobin bin?Amsa: Ana amfani da bins don tara LED masu halaye iri ɗaya. Lokacin yin oda, zaka iya ayyana bin da kake so don tabbatar da tsayayyen haƙuri a aikace-aikacenka.

Tambaya: Ko wannan LED ta dace da solder marar gubar?Amsa: Ee, tana bin RoHS kuma tana dacewa da tsarin reflow mara gubar tare da mafi girman zazzabi na 260°C.

11. Misali na Aiki: Nunin Dashboard

A cikin ƙirar nunin dashboard na mota, an zaɓi LED amber saboda ƙarfin haskenta mai girma (260mcd) da kusurwar gani mai faɗi don ganuwa ga direba da fasinjoji. An kunna LED a 20mA tare da resistor na jere 120Ω daga wutar 5V. An tsara PCB tare da pad na zafi da aka haɗa zuwa ƙasa. Bayan awa 1000 na aiki a zazzabin 85°C, ƙarfin haske ya ragu ƙasa da 10%, yana nuna aminci mai kyau.

12. Ka'idar Aikin LED

LED (diod mai fitar da haske) ita ce na'urar semiconductor da ke fitar da haske lokacin da ƙarfi ke gudana ta cikinta. Launin amber ana samun ta ta amfani da wani takamaiman kayan semiconductor (misali, AlGaInP) wanda ke fitar da photons masu tsawon wuta kusan 600-615nm. Ƙarfin gaba yana ƙaddara ta hanyar bandgap na kayan. Ƙarfin haske yana daidai da ƙarfin, har zuwa iyaka inda tasirin zafi ke haifar da raguwar inganci. Kusurwar gani mai faɗi ana samun ta ta hanyar ƙirar fakiti, wanda sau da yawa ya haɗa da mai yada haske ko ruwan tabarau na hemispherical.

13. Hanyoyin Ci Gaba a cikin SMD LEDs

Hanyar ci gaban SMD LEDs tana ci gaba zuwa ƙaramin fakiti tare da inganci mafi girma da sarrafa zafi mafi kyau. Fakiti na 3.2×1.6mm (sau da yawa ana kiransa 1206) shine girman daidaitaccen wanda ya daidaita haske da sawun. Ci gaba na gaba na iya haɗawa da raguwar faɗin band na bakan gani don launi masu cikakke, ƙarfafa juriya na ESD, da haɗa dies da yawa don canza launi. Wannan LED amber ta biyan buƙatun masana'antu na yanzu don aminci, bin RoHS, da daidaito da matakai na haɗawa na atomatik.