Bayani na Yellow LED Chip 1.8x0.8x0.5mm - Wutar Gaba 1.8-2.4V - Ƙarfi 78mW - Takardar SMD

1. Bayani Kan Samfur

RF-YG1808TS-AC-E0 wani ƙaramin yellow LED chip ne da aka ƙera don nuni da haskaka gabaɗaya. An sa shi a cikin ƙaramin 1.8mm x 0.8mm x 0.50mm SMD, yana da kusurwar kallo mai faɗi sosai na digiri 140, yana sa ya dace da aikace-aikace masu buƙatar rarraba haske iri ɗaya. Na'urar an yi ta ta amfani da yellow chip mai inganci tare da tsawon wavelength na 585nm zuwa 595nm. Tana goyon bayan hanyoyin haɗa SMT na yau da kullun kuma ta dace da RoHS. Tare da matakin damshin 3, dole ne a kiyaye yanayin aiki da adanawa daidai.

2. Bincike Mai Zurfi Kan Sigogi

2.1 Halaye na Lantarki- Hasken Haske (a Ts=25°C, IF=20mA)

• Tsawon Wavelength Mai Rinjaye (λD):585-595nm (an raba zuwa D10, D20, E10, E20)
• Wutar Forward (VF):1.8V zuwa 2.4V (an raba zuwa B1, B2, C1, C2, D1, D2)
• Ƙarfin Hasken Haske (IV):350-800 mcd (an raba zuwa J10, J20, K10, K20)
• Fadin Rabin Tsarin Wavelength (Δλ):Yawanci 15 nm
• Kusurwar Kallo (2θ1/2):Digiri 140 (yawanci)
• Wutar Baya (IR):≤10 μA a VR=5V
• Juriyar Zafin (RTHJ-S):≤260 K/W

2.2 Matsakaicin Matsayin Amfani

• Rashin Ƙarfi (Pd):78 mW
• Wutar Gaba (IF):30 mA (ci gaba); 60 mA (bugu, 1/10 aiki, 0.1ms fadin)
• ESD (HBM):2000 V
• Zazzabin Aiki (Topr):-40°C zuwa +85°C
• Zazzabin Adanawa (Tstg):-40°C zuwa +85°C
• Zazzabin Haɗuwa (Tj):95°C (matsakaici)

3. Bayanin Tsarin Rabe-raben

Samfurin an raba shi zuwa ƙananan rabe-raben wavelength, ƙarfin haske, da wutar gaba don tabbatar da aiki daidai a aikace-aikace na ƙarshe.

• Rabe-raben Wavelength:D10 (585-587.5nm), D20 (587.5-590nm), E10 (590-592.5nm), E20 (592.5-595nm)
• Rabe-raben Ƙarfi:J10 (350-430 mcd), J20 (430-530 mcd), K10 (530-650 mcd), K20 (650-800 mcd)
• Rabe-raben Wuta:B1 (1.8-1.9V), B2 (1.9-2.0V), C1 (2.0-2.1V), C2 (2.1-2.2V), D1 (2.2-2.3V), D2 (2.3-2.4V)

Duk ma'auni suna da iyakar haƙuri: ±0.1V don wutar gaba, ±2nm don tsawon wavelength, da ±10% don ƙarfin haske.

4. Nazarin Tsarin Aiki

4.1 Wutar Gaba vs. Wutar Gaba (Fig. 1-6)

Wutar gaba tana karuwa daidai da wutar. A yanayin gwajin IF=20mA, VF yawanci yana faɗi cikin kewayon 1.8-2.4V. Yin amfani da matsakaicin wutar da aka ƙyale (30mA) zai buƙaci wutar tuƙi mai ɗan girma kaɗan.

4.2 Ƙarfin Haske Dangi vs. Wutar Gaba (Fig. 1-7)

Fitowar haske dangi tana karuwa ba daidai ba da wutar. Tsarin yana nuna cewa a ƙananan wutar, gangara ta fi tsayi, yana nuna inganci mafi girma a ƙananan wutar tuƙi. A 20mA, ƙarfin haske dangi ya kai kusan 1.0 (an daidaita).

4.3 Zazzabin Fil ɗin vs. Ƙarfin Haske Dangi (Fig. 1-8)

Yayin da zazzabin haɗuwa ya tashi, ƙarfin haske dangi yana raguwa. A 100°C, ƙarfin yana faɗi zuwa kusan 0.7 na ƙima a 25°C. Gudanar da zafi daidai yana da mahimmanci don kiyaye haske.

4.4 Zazzabin Fil ɗin vs. Rage Wutar Gaba (Fig. 1-9)

Dole ne a rage matsakaicin wutar gaba da aka ƙyale yayin da zazzabin fil ɗin ya tashi. A 100°C, wutar lafiya ta kai kusan 10mA, idan aka kwatanta da 30mA a 25°C. Dole ne a yi la'akari da wannan tsarin ragewa a yanayin zafi mai girma.

4.5 Wutar Gaba vs. Tsawon Wavelength Mai Rinjaye (Fig. 1-10)

Tsawon wavelength mai rinjaye yana canzawa kaɗan da wutar. A 20mA, wavelength ya kai kusan 591nm. Yayin da wutar ta ƙaru daga 0 zuwa 30mA, wavelength ya canza da ƙasa da 2nm, yana nuna kyakkyawan yanayin canza launi.

4.6 Ƙarfin Haske Dangi vs. Wavelength (Fig. 1-11)

Tsarin haskawa yana kai kololuwa kusa da 590nm tare da fadin rabin tsarin 15nm. Rarraba tsarin yana kunkuntar, yana ba da launin yellow mai cikawa.

4.7 Tsarin Haskawa (Fig. 1-12)

Haskawar kusurwa tana da nau'in Lambertian tare da fadin rabi na 140°. Ƙarfin yana kasancewa daidai daga -70° zuwa +70° daga axis.

5. Bayani kan Injiniya da Tattara Bayanai

5.1 Girman Package (Figs. 1-1 zuwa 1-4)

• Girma: 1.80mm x 0.80mm x 0.50mm (haƙuri ±0.2mm)
• Polarity: Duba Fig. 1-4 don tantance pad (pad 1 da pad 2)
• Tsarin Solding (Fig. 1-5): Girman ƙasar tagulla da aka ba da shawarar 0.95mm x 0.80mm (tazarar pad 1.3mm, jimlar faɗi 2.6mm). Lura cewa kallo daga ƙasa yana nuna yanayin pad.

5.2 Tebur mai ɗauka da Reel (Figs. 2-1, 2-2)

• Tebur mai ɗauka: 8mm faɗi, tazarar aljihu 4.00mm, kauri 0.65mm. Yana da alamar polarization da hanyar ciyarwa.
• Reel: diamita 178mm, faɗi 8.0mm, diamita cibiya 60mm, tazarar tef 13.0mm.
• Yawa: 4000 guda a kowane reel.

5.3 Lakabi da Jakar Hana Danshi (Figs. 2-3, 2-4)

Lakabin ya haɗa da Lambar Bangare, Lambar Spec, Lambar Lot, Lambar Bin, Ƙarfin Haske, Bin Chromaticity, Wutar Gaba, Wavelength, Yawa, da Kwanan wata. Ana tattara samfuran a cikin Jakar Hana Danshi (MBB) tare da bushewa da kati mai nuna danshi don kiyaye matakin danshi ƙasa da matakin MSL-3.

6. Jagorar Solding da Haɗawa

6.1 Tsarin Reflow da aka ba da shawara (Fig. 3-1, Table 3-1)

• Gabaɗaya: Tashin ≤3°C/s; Tsmin=150°C, Tsmax=200°C; lokaci 60-120s
• Tashi zuwa TL (217°C): 60-150s
• Lokaci sama da 217°C (tL): 60-120s
• Matsakaicin zazzabi (TP): 260°C, matsakaicin lokaci a cikin 5°C na kololuwa (tp): 10s
• Sanyaya: ≤6°C/s
• Jimlar lokaci daga 25°C zuwa kololuwa: ≤8 mintuna

Reflow soldering bai kamata ya wuce sau 2 ba. Idan fiye da sa'o'i 24 tsakanin soldering, za a iya lalata LEDs.

6.2 Solding Iron da Gyara

Solding da hannu: zazzabi<300°C, lokaci<3s, sau ɗaya kawai. Don gyara, ana ba da shawarar soldering iron mai kai biyu; gwada kafin tabbatar da babu lalacewa.

6.3 Tsare-tsare na Sarrafawa

• Ka guji damuwa na injiniya akan LEDs yayin da bayan soldering.
• Kada ka karkatar da PCB bayan saka.
• Kada ka sanyaya da sauri bayan soldering.
• Kada ka yi rawar jiki mai yawa yayin sanyaya.

7. Shawarwarin Aikace-aikace

7.1 Aikace-aikace na Yau

• Masu nuni na gani (hali, fitilun gargadi)
• Maɓallai, alamomi, da haskaka bayan nuni
• Haskaka gabaɗaya a cikin ƙananan siffofi

7.2 La'akari da Zane

• Yi amfani da masu hana wutar; ƙananan canje-canje na wuta na iya haifar da manyan canje-canje na wutar wuta wanda zai haifar da guduwar zafi.
• Tabbatar da ingantaccen yaduwar zafi; ka kiyaye zazzabin haɗuwa ƙasa da 95°C.
• Ka guji wutar baya; zana da'irori don amfani da wutar gaba kawai.
• A cikin jerin/ layi na layi, yi la'akari da rarraba wutar da rabon zafi.
• Abubuwan sulfur na muhalli ya kamata su kasance ƙasa da 100 ppm; abubuwan halogen (bromine, chlorine) ɗaya ɗaya ƙasa da 900 ppm kuma jimla ƙasa da 1500 ppm.
• Ka guji VOCs da za su iya fitar da iska kuma su kai hari ga silicone encapsulant; yi amfani da adhesives da aka gwada.

8. Adanawa da Rayuwa

Idan katin nuna danshi ya nuna ruwan hoda (desiccant ya bushe) ko lokacin adanawa ya wuce, a yi baking a 60±5°C na awa 24 kafin amfani.

9. Taƙaitaccen Gwajin Dogara

Samfurin ya wuce gwaje-gwaje masu zuwa (matakan JEDEC) tare da ma'aunin karɓa na 0/1 gazawar:

• Reflow (260°C, 10s, 2x) - 22 guda
• Zazzabi kewayawa (-40°C zuwa 100°C, kewayawa 100)
• Girgizar zafi (-40°C zuwa 100°C, kewayawa 300)
• Adanawa a zazzabi mai girma (100°C, awanni 1000)
• Adanawa a zazzabi mara kyau (-40°C, awanni 1000)
• Gwajin rayuwa (Ta=25°C, IF=20mA, awanni 1000)

Ma'auni: canjin VF ≤1.1x USL, IR ≤2x USL, haske ≥0.7x LSL.

10. Halaye na Aiki na Yau

• Wutar Gaba vs. Wutar:Karuwa ba daidai ba; yi aiki a 20mA don inganci mafi kyau.
• Ƙarfi vs. Wutar:Ƙarƙashin layi; mafi girma wutar yana haifar da raguwar haske.
• Dogaro da zazzabi:Ƙarfi yana faduwa ~30% a 100°C; rage wutar daidai.
• Kwanciyar wavelength:
• Tsarin haskawa:Fadin kusurwar kallo 140°, ya dace da haskaka baya da allon nuni.

11. Nazarin Zane: Tsarin Nuni na Gani

Yi la'akari da allon hulɗar mai amfani da ke buƙatar LED yellow status da ake iya gani sama da ±70°. Yin amfani da package 1808 yana ba da damar saka da yawa. Tare da wutar 20mA da resistor jerin 100Ω (tsammani VF≈2.0V akan 5V), rashi ƙarfi shine 78mW, daidai a cikin iyaka. Don kewayon zazzabi mai faɗi (-40°C zuwa +85°C), tabbatar da tsarin zafi ya kiyaye haɗuwa ƙasa da 95°C. Yin amfani da tsarin soldering da aka bayar da kuma reflow yana tabbatar da haɗin solder mai dogaro. Idan aikace-aikace yana buƙatar launi mai daidaituwa, zaɓi madaidaicin bin wavelength (misali, E20 don 592.5-595nm). Karamin sawu (1.8×0.8mm) yana ba da damar shimfidar PCB mai tsari tare da yawan abubuwa.

12. Tushen Ka'ida: Yadda Yellow LED ke Aiki

LED an yi ta ta amfani da yellow chip—yawanci InGaAlP (indium gallium aluminum phosphide) da aka girma akan GaAs substrate. Lokacin da aka yi forward bias, electrons suna sake haɗuwa da ramuka a cikin yanki mai aiki, suna fitar da photons tare da makamashi daidai da bandgap. Fitowar yellow (585-595nm) ana samun ta ta hanyar kulawa da kyau na rabon aluminum da indium. Faɗin tsarin kunkuntar (15nm) yana nuna ingancin kayan aiki da epitaxial layers da aka inganta sosai. Fadin tsarin haskawa yana haifar da yanayin chip da tsarin substrate mai gani.

13. Hankalin Masana'antu da Ci gaba

Yellow SMD LEDs suna ci gaba zuwa mafi girma efficacy (lm/W) da ƙananan package. Siffar 1808 wani bangare ne na yanayin ƙananan tsari a cikin kayan lantarki na mabukaci. Ci gaba na gaba na iya haɗawa da ingantaccen sarrafa zafi (ƙananan RTHJ-S) da mafi girman darajar ESD. Haɗa tare da direbobi masu hankali da haɗuwar fari/yellow mai daidaitawa yana girma. Bukatar yellow LEDs a cikin motoci (alamomin juyawa) da alamar alama na ci gaba da tura kirkirar haske da dogaro.

Wannan takardar tana ba da cikakken bayani na RF-YG1808TS-AC-E0 yellow LED. Don cikakkun bayanai game da rabe-raben da haɗin kai na musamman, tuntuɓi wakilin tallace-tallace na gida.