Bayani na LED Green-Yellow RF-GSB170TS-BC - 2.0x1.25x0.7mm - 1.8-2.4V - 72mW - Takardar Fasaha

1. Bayani na Samfur

1.1 Bayani na Gabaɗaya

Wannan takarda ta bayyana LED mai ruwan hoda-kore RF-GSB170TS-BC. An ƙirƙiri na'urar ta amfani da chip mai ruwan hoda-kore kuma an tattara ta a cikin ƙaramin siffa na SMD mai girman 2.0 mm x 1.25 mm x 0.7 mm. An tsara shi don nunawa da haskaka na gabaɗaya inda ake buƙatar kusurwar kallo mai faɗi da ƙarancin amfani da wutar lantarki.

1.2 Siffofi

• Kusurwar kallo mai faɗi sosai: 140° yawanci
• Ya dace da duk hanyoyin haɗa SMT da siyarwa ta reflow
• Matakin kula da danshi: Mataki na 3 (bisa ga ma'aunin JEDEC)
• Ya bi ka'idar RoHS – ba ya ƙunshi abubuwa masu haɗari

1.3 Amfani

• Alamomin haske da fitilun matsayi
• Haskakawar maɓalli da alamar alama
• Haskakawar nuni
• Kayan lantarki na gabaɗaya

2. Sigogin Fasaha

2.1 Halaye na Lantarki da na Gani (Ts=25°C, IF=20mA in ba a faɗi ba)

Ana auna sigogi masu zuwa a ƙarƙashin yanayin gwaji da aka ayyana. Haƙuri ga ƙarfin wutar lantarki ±0.1 V, tsayin haske ±2 nm, da ƙarfin haske ±10%.

• Tsawon Rabin Bakan:15 nm yawanci
• Ƙarfin Wutar Lantarki (VF):Akwai a cikin rukunin B0, C0, D0. Darajoji a 20 mA: B0 min/typ/max = 1.8/2.0/2.0 V; C0 = 2.0/2.2/2.4 V; D0 = 2.2/2.2/2.4 V
• Tsayin Haske Mai Girma (λD):Akwai a cikin rukunin A10 (560.0–562.5 nm), A20 (562.5–565.0 nm), B10 (565.0–567.5 nm), B20 (567.5–570.0 nm), C10 (570.0–572.5 nm), C20 (572.5–575.0 nm)
• Ƙarfin Haske (IV):Akwai a cikin rukunin C00 (18–28 mcd), D00 (28–43 mcd), E00 (43–65 mcd), F00 (65–100 mcd)
• Kusurwar Kallo (2θ1/2):140° yawanci
• Ƙarfin Koma baya (IR) a VR=5V:Matsakaicin 10 μA
• Juriya na Zafi (RTHJ-S):Matsakaicin 450 °C/W

2.2 Matsakaicin Matsayi na Ƙarshe (Ts=25°C)

• Tawayar Wuta (Pd): 72 mW
• Ƙarfin Gaba (IF): 30 mA
• Ƙarfin Gaba Naƙasasshe (IFP, 1/10 duty, 0.1ms bugun jini): 60 mA
• Fitar da Lantarki na Tsaye (HBM): 2000 V
• Zazzabi na Aiki (Topr): -40 ~ +85°C
• Zazzabi na Ajiye (Tstg): -40 ~ +85°C
• Zazzabi na Junction (Tj): 95°C

Zane dole ne ya tabbatar da cewa zazzabi na junction bai wuce 95°C ba. Gudanar da zafi da ya dace da resistors na iyakance wutar lantarki suna da mahimmanci don aiki mai dogaro.

3. Tsarin Rarrabuwa

3.1 Rukunin Tsayin Haske

An rarraba tsayin haske mai girma zuwa rukuni shida da ke rufe daga 560 nm zuwa 575 nm. Kowane rukuni yana da 2.5 nm don tabbatar da daidaiton launi. An sanya sunayen rukunin A10, A20, B10, B20, C10, da C20.

3.2 Rukunin Ƙarfin Haske

An rarraba ƙarfin haske zuwa rukuni huɗu: C00 (18–28 mcd), D00 (28–43 mcd), E00 (43–65 mcd), da F00 (65–100 mcd). Wannan yana ba abokan ciniki damar zaɓar matakin haske da ya dace da aikace-aikacen su.

3.3 Rukunin Ƙarfin Wutar Lantarki na Gaba

Ƙarfin wutar lantarki na gaba a 20 mA ya kasu zuwa rukuni uku: B0 (1.8–2.0 V), C0 (2.0–2.4 V), da D0 (2.2–2.4 V). Lura cewa darajar yawanci ga C0 da D0 ita ce 2.2 V, yayin da B0 yawanci ita ce 2.0 V.

4. Lakkar Aiki

4.1 Ƙarfin Wutar Lantarki na Gaba da Ƙarfin Gaba

Kamar yadda aka nuna a Hoto 1-6, ƙarfin wutar lantarki na gaba yana ƙaruwa tare da ƙarfin gaba ta hanyar da ba ta daidaita ba. A 20 mA, ƙarfin wutar lantarki na yawanci yana kusa da 2.2 V (ga rukunin C0/D0) ko 2.0 V (ga rukunin B0). A ƙananan ƙarfin wutar lantarki, ƙarfin wutar lantarki na gaba yana raguwa daidai.

4.2 Ƙarfin Haske Mai Dangantaka da Ƙarfin Gaba

Hoto 1-7 yana nuna cewa ƙarfin haske mai dangantaka yana ƙaruwa kusan daidai da ƙarfin gaba har zuwa 15 mA, sannan ya fara jikewa. Yin amfani da LED fiye da 20 mA yana haifar da raguwar haske da ƙara zazzabi na junction.

4.3 Dogaro da Zazzabi

Hoto 1-8 yana nuna cewa ƙarfin haske mai dangantaka yana raguwa yayin da zazzabi na muhalli ya tashi. A 85°C, haske yana kusan 20% ƙasa da na 25°C. Hoto 1-9 yana nuna cewa dole ne a rage ƙarfin gaba mafi girma da aka yarda a lokacin da zazzabin pin ya yi girma don kiyaye junction ƙasa da 95°C. Ga zazzabin pin sama da 60°C, ya kamata a rage ƙarfin gaba a layi.

4.4 Rarraba Bakan

Hoto 1-11 yana nuna ƙarfin haske mai dangantaka a matsayin aikin tsayin haske. Bakan hasken yana fitowa a kusa da 570 nm tare da rabin bandwidth kusan 15 nm. Ana ganin launi a matsayin ruwan hoda-kore.

4.5 Tsarin Haske

Hoto 1-12 yana nuna halayen haskakawa. Kusurwar kallo (2θ1/2) ita ce 140°, wanda ke nuna babban buɗaɗɗen haske wanda ya dace da aikace-aikacen alama da ke buƙatar ganuwa daga kusurwoyi da yawa.

5. Girman Injiniya da Tattara

5.1 Girman Kunshin

Kunshin LED yana auna 2.0 mm x 1.25 mm x 0.7 mm. Duban sama yana nuna jiki mai murabba'i mai ruwan tabarau madauwari. Duban ƙasa yana nuna madaidaitan siyarwa biyu tare da alamar polarity. An bayar da zane-zane na injiniya dalla-dalla a cikin takardar bayanai (Hoto 1-1 zuwa 1-4). Duk girman yana a milimita tare da haƙuri na ±0.2 mm in ba a faɗi ba.

5.2 Samfuran Siyarwa

Ana nuna madaidaitan siyarwa da aka ba da shawara a Hoto 1-5. Girman madaidaicin shine 3.20 mm x 1.20 mm tare da tazara na 0.80 mm. Girman madaidaicin da ya dace yana tabbatar da samuwar haɗin siyarwa mai dogaro da zafi mai kyau.

5.3 Alamar Polarity

An gano cathode ta hanyar alamar ko alama a kan kunshin (Hoto 1-4). Dole ne a kiyaye daidaitaccen juyawa yayin haɗawa don guje wa lalacewa ta hanyar wutar lantarki ta baya.

6. Jagororin Siyarwa da Haɗawa

6.1 Tsarin Siyarwa ta Reflow

Ana nuna tsarin siyarwa ta reflow da aka ba da shawara a Hoto 3-1. Maɓallan sigogi:

• Matsakaicin tashin gudu (Tsmax zuwa TP): max 3°C/s
• Zafi kafin: 150°C zuwa 200°C, 60–120 s
• Lokaci sama da 217°C (TL): 60–150 s
• Matsakaicin zazzabi (TP): 260°C
• Lokaci a cikin 5°C na matsakaicin (tp): max 10 s
• Gudun sanyaya: max 6°C/s
• Jimlar lokaci daga 25°C zuwa matsakaicin: max 8 mintuna

Kada a yi siyarwa ta reflow fiye da sau biyu. Idan fiye da awa 24 ya wuce tsakanin zagayowar siyarwa biyu, LED na iya sha danshi kuma suna buƙatar gasa kafin reflow na biyu.

6.2 Siyarwa da Hannu

Idan siyarwa da hannu ya zama dole, yi amfani da ƙarfe na siyarwa tare da zazzabin tip ƙasa da 300°C da lokacin zama wanda bai wuce daƙiƙa 3 ba. Ya kamata a yi ƙoƙarin siyarwa ɗaya kawai a kowane LED.

6.3 Ajiye da Gasa

Ana jigilar LED a cikin buhunan kariya daga danshi. Ajiye kafin buɗewa: ≤30°C, ≤75% RH, rayuwa a kan shiryayye 1 shekara. Bayan buɗewa: ≤30°C, ≤60% RH, ana iya amfani da shi cikin awa 168. Idan mai bushewa ya ƙare ko kuma mai nuna danshi ya nuna canji, gasa LED a 60±5°C fiye da awa 24 kafin amfani.

7. Bayani kan Tattara

7.1 Tebur na Jigilar Kaya da Rili

Ana tattara LED a cikin tebur na jigilar kaya tare da taki na 4.0 mm, faɗin 8.0 mm. Rili ɗaya yana ƙunshe da guda 4000. Girman rili shine diamita na waje 178 mm, diamita na ciki 60 mm, da rami na cibiya 13.0 mm.

7.2 Lakabi

Ana lakabin kowane rili tare da lambar yanki, lambar ƙayyadaddun, lambar lot, lambobin rukuni don flux, chromaticity, ƙarfin wutar lantarki na gaba, tsayin haske, adadi, da kwanan wata. Ana nuna samfurin lakabi a Hoto 2-3.

7.3 Buhun Kariya daga Danshi

Ana sanya rili a cikin buhun kariya daga danshi tare da mai bushewa da kati mai nuna danshi. Sannan a rufe buhun don kiyaye ƙarancin danshi yayin ajiyewa da jigilar kaya.

8. Gwajin Dogaro

An tabbatar da LED bisa ga gwaje-gwaje masu zuwa (bisa ga ma'aunin JEDEC inda ya dace):

• Siyarwa ta reflow (260°C max, 10 s, sau 2): 0 gazawa a cikin samfurori 22
• Zagayowar zazzabi (-40°C zuwa 100°C, 5 min canji, 30 min zama, zagaye 100): 0 gazawa
• Girgizawar zafi (-40°C zuwa 100°C, 15 min zama, zagaye 300): 0 gazawa
• Ajiye a babban zazzabi (100°C, awa 1000): 0 gazawa
• Ajiye a ƙananan zazzabi (-40°C, awa 1000): 0 gazawa
• Gwajin rayuwa (Ta=25°C, IF=20 mA, awa 1000): 0 gazawa

Ma'aunin karɓa: Canjin ƙarfin wutar lantarki na gaba ≤ 1.1x ƙayyadaddun iyaka na sama, ƙarfin koma baya ≤ 2.0x ƙayyadaddun iyaka na sama, haske mai gudana ≥ 0.7x ƙayyadaddun iyaka na ƙasa.

9. Kariya ta Kariya

9.1 Daidaituwa da Sinadarai

Dole ne a guje wa LED ta fallasa ga mahalli mai ƙunshe da sinadarai na sulfur fiye da 100 ppm. Abubuwan halogen (bromine da chlorine) a cikin kayan da ke kewaye dole ne su kasance ƙasa da 900 ppm a ɗaiɗaiku da kuma haɗe ƙasa da 1500 ppm. Abubuwan sinadarai masu canzawa (VOCs) na iya shiga cikin silicone encapsulant kuma su haifar da canjin launi. Ka guji manne da ke fitar da tururin sinadarai.

9.2 Kula da Injiniya

Yi amfani da tweezers ko kayan aikin da suka dace don ɗaukar LED daga gefe. Kada a taɓa ko matsa saman ruwan tabarau na silicone kai tsaye saboda yana iya lalata da'irar ciki. Bayan siyarwa, ka guji lankwasa PCB ko amfani da damuwa na injiniya yayin sanyaya.

9.3 Damuwa na Lantarki mai Yawa da ESD

LED suna da hankali ga fitar da lantarki na tsaye (ESD) da damuwa na lantarki mai yawa (EOS). Yi amfani da matakan kariya na ESD da suka dace (wuraren aiki na ƙasa, daurin wuyan hannu, tattara kaya masu gudanarwa). Na'urar na iya jure 2000 V HBM, amma har yanzu ya kamata a yi taka tsantsan.

9.4 Gudanar da Zafi

Don kiyaye zazzabi na junction ƙasa da 95°C, tsara isasshen zafi a cikin zanen PCB. Ya kamata a rage ƙarfin gaba a babban zazzabi na muhalli. Juriya na zafi na 450°C/W yana nufin cewa 30 mA zai haifar da tashin zazzabi na 13.5°C fiye da wurin siyarwa, a ƙarƙashin yanayi masu kyau.

10. Bayanan Aikace-aikace

10.1 Aikace-aikace na Yau da Kullum

Kusurwar kallo mai faɗi da launin ruwan hoda-kore sun sa wannan LED ta zama manufa don alamomin matsayi a kan kayan lantarki na mabukaci, dashboard na mota, allon sarrafa masana'antu, da kayan aikin likita. Ƙaramin girmansa ya dace da zane mai iyaka na sarari.

10.2 La'akari da Zane na Da'ira

Koyaushe yi amfani da resistor mai iyakance wutar lantarki a jere tare da LED. Za a iya lissafta darajar resistor kamar R = (Vcc - VF) / IF, inda Vcc shine wutar lantarki na samarwa. Ƙarfin wutar lantarki na gaba yana bambanta da rukuni; yi amfani da darajar rukuni da ta dace ko haɗa da sarari. Ga tsararru masu layi daya, tabbatar da cewa kowane LED yana da resistor nasa don daidaita wutar lantarki. An ba da shawarar kariya daga wutar lantarki ta baya (misali, diode mai toshewa) idan da'ira na iya fuskantar juyawa mara kyau.

11. Ka'idojin Aiki

LED shine haɗin p-n na semiconductor wanda ke fitar da haske lokacin da electrons suka sake haɗuwa da ramuka. Makamashin da aka saki yayin sake haɗuwa yana ƙayyade tsayin haske na haske da ake fitarwa. A cikin wannan na'urar, chip mai ruwan hoda-kore yana amfani da abu mai ƙarfin bandgap daidai da kusan 560-575 nm. Ana fitar da haske ta hanyar ruwan tabarau na silicone mai bayyana wanda kuma yake tsara tsarin haske. Kusurwar kallo mai faɗi (140°) an samu ta hanyar ƙayyadaddun lissafin ruwan tabarau da sanya chip.

12. Hanyoyin Ci Gaba

Kasuwar LED masu bayyana tana ci gaba da canzawa zuwa inganci mafi girma, ƙarami masu girman kunshin, da kuma daidaiton launi mafi kyau. Fitar nan gaba na LED ruwan hoda-kore na iya cimma ingancin haske mafi girma (lm/W) ta hanyar ingantattun sifofin epitaxial da canjin phosphor. Hanyar rage girman a cikin na'urori masu ɗauka yana fifita ƙananan kunshin kamar wannan girman 2.0×1.25 mm. Bugu da ƙari, an mayar da hankali kan ƙara juriya ga mahalli masu tsauri (babban zazzabi, danshi).