Farar LED 1.6x0.8x0.7mm SMD - 3.0V Ƙarfin Gaba - 20mA - 60mW - Takardar Bayanan Fasaha

1. Bayanin Samfur

1.1 Bayani Gabaɗaya

Wannan farar LED an yi ta ne ta amfani da chip mai shuɗi da kuma fasahar canza phosphor. Girman fakitin shine 1.6mm × 0.8mm × 0.7mm, yana dacewa da aikace-aikacen SMD masu ƙarami. LED ɗin yana fitar da farar haske ta hanyar haɗakar hasken chip mai shuɗi da phosphor rawaya, yana ba da haske mai inganci.

1.2 Fasaloli

• Kusan kusurwar kallo mai faɗi na 140°.
• Ya dace da duk matakan haɗawa SMT da tafiyar tallace.
• Matsayin damshin ruwa: Mataki 3 bisa ga JEDEC.
• Ya bi ka'idar RoHS.

1.3 Aikace-aikace

• Alamun gani.
• Maɓallai, alamomi, da nuni.
• Kayan lantarki na gida.
• Nuni na gabaɗaya.

2. Nazarin Sigogin Fasaha

2.1 Halayen Lantarki da Gani

Halayen lantarki da gani an bayyana su ne a Ts=25°C tare da IF=20mA sai dai idan an faɗi akasin haka. Ƙarfin gaba (VF) an yi rarrabuwa daga G1 (2.8-2.9V) zuwa J1 (3.4-3.5V), tare da ƙimar yau da kullun kusan 3.0V a 20mA. Ƙarfin haske (IV) yana daga 600 zuwa 1100 mcd gwargwadon lambar rarrabuwa. Kusurwar kallo shine 140° (rabin kusurwa). Gudun baya yana ƙasa da 10µA a VR=5V. Matsa-in zafi daga haɗaɗɗiyar zuwa wurin tallace shine 450°C/W.

2.2 Matsayin Ƙarfin Aiki

Ketare waɗannan matakan na iya haifar da lalacewa ta dindindin. Ana buƙatar samun ingantaccen rarraba zafi don kiyaye zazzabin haɗaɗɗiya ƙasa da iyakar.

3. Tsarin Rarrabuwa

3.1 Rarrabuwar Ƙarfin Gaba

An raba ƙarfin gaba zuwa rukunnai a IF=20mA. Rukunnan sun rufe daga 2.8V zuwa 3.5V tare da ƙaruwar 0.1V. Rukunnan yau da kullun sune G1 (2.8-2.9V), G2 (2.9-3.0V), H1 (3.0-3.1V), H2 (3.1-3.2V), I1 (3.2-3.3V), I2 (3.3-3.4V), J1 (3.4-3.5V).

3.2 Rarrabuwar Ƙarfin Haske

An raba ƙarfin haske daga 600 zuwa 1100 mcd. Rukunnan gama gari sun haɗa da 1BF (600-650 mcd), 1BG (650-700 mcd), 1BH (700-750 mcd), 1BI (750-800 mcd), 1BJ (800-850 mcd), 1BK (850-900 mcd), 1FA (900-950 mcd), 1FB (950-1000 mcd), LC1 (1000-1050 mcd), LC2 (1050-1100 mcd).

3.3 Rarrabuwar Launi

LED ɗin kuma an raba shi ta hanyar daidaitawar launi a cikin zane CIE 1931. Rukunnan kamar B11, B12, B21, B22, B51, K21, K31 suna ba da daidaiton launi tsakanin sassa. Kowanne rukuni yana wakiltar yanki mai kusurwoyi huɗu tare da takamaiman x, y daidaitawa. Misali, rukuni B11 yana da daidaitawa: (0.2423,0.2225), (0.2385,0.2244), (0.2449,0.2344), (0.2487,0.2325).

4. Lanon Aiki

4.1 Ƙarfin Gaba vs Gudun Gaba

Hoto na 1-7 yana nuna ƙarfin gaba yana ƙaruwa da gudun gaba. A yau da kullun 20mA, VF yana kusa da 3.0V ga rukuni H1.

4.2 Gudun Gaba vs Ƙarfin Haske Yanayi

Ƙarfin haske yana tashi tare da gudun gaba kamar yadda aka nuna a Hoto na 1-8. Yana kusan madaidaiciya har zuwa 30mA.

4.3 Tasirin Zazzabi

Hotuna na 1-9 da 1-10 sun nuna cewa zazzabin fil ɗin yana shafar duka ƙarfin haske da gudun gaba. Zazzabi mai girma yana rage fitowar haske kuma yana ƙara ƙarfin gaba.

4.4 Gudun Gaba vs Tsawon Kalaman Girman Haske

Hoto na 1-11 yana nuna tsawon kalaman girman haske yana canzawa kaɗan da gudun gaba. A 25°C, tsawon kalaman yana tsayayye a kan kewayon aiki.

4.5 Ƙarfin Haske Yanayi vs Tsawon Kalaman

Hoto na 1-12 yana ba da rarraba nau'in. Siffar farar LED tana da kololuwar shuɗi a kusan 450-460nm da faffadan fitowar phosphor rawaya.

4.6 Tsarin Rarraba Haske

Tsarin rarraba haske a Hoto na 1-13 yana nuna rarraba lambertian mai faɗi tare da rabin kusurwa na 140°. Wannan yana tabbatar da yaɗuwar haske daidai.

5. Injiniya da Marufi

5.1 Girman Fakitin

Fakitin yana auna 1.6mm (Tsawon) × 0.8mm (Faɗi) × 0.7mm (Tsayi). Hannun sama yana nuna wurin chip ɗin LED. Hannun gefe yana nuna kauri. Hannun ƙasa yana nuna faifai biyu: faifai 1 (cathode) da faifai 2 (anode). Akwai alamar polarity a ƙasa.

5.2 Tsarin Tallace

Ana ba da faifan tallace da aka ba da shawara a Hoto na 1-5. Kowanne faifai yana da girman 0.8mm × 0.8mm tare da tazarar 0.8mm. Jimillar sawun faifan shine 2.4mm a tsawon.

5.3 Alamar Polarity

Alamar polarity tana nuna gefen cathode. Tabbatar da daidaitaccen jagora yayin haɗawa don gujewa juyar da baya.

6. Jagorar Tallace da Haɗawa

6.1 Bayanin SMT Reflow Tallace

Bayani da aka ba da shawarar na reflow:

• Matsakaicin tashi: max 3°C/s daga Tsmin (150°C) zuwa Tsmax (200°C).
• Lokacin riga-kafi: daƙiƙa 60-120 tsakanin 150-200°C.
• Lokaci sama da 217°C: max daƙiƙa 60.
• Matsakaicin zazzabi: 260°C, max daƙiƙa 10.
• Matsakaicin sanyaya: max 6°C/s.
• Jimillar lokaci daga 25°C zuwa koli: max mintuna 8.

Ba za a yi reflow tallace fiye da sau biyu ba. Idan akwai fiye da awanni 24 tsakanin tallace, ana buƙatar gasawa.

6.2 Tallace da Hannu

Lokacin yin tallace da hannu, yi amfani da zazzabin ƙarfe ƙasa da 300°C na ƙasa da daƙiƙa 3. An yarda da tallace da hannu sau ɗaya kawai.

6.3 Gyarawa

Ba a ba da shawarar gyara bayan tallace ba. Idan ba za a iya kaucewa ba, yi amfani da ƙarfe mai kai biyu kuma tabbatar da halayen LED.

6.4 Kari

Kada a sanya LED a kan PCB mai lankwasa. Ka guji matsawar injiniya ko sanyaya da sauri bayan tallace.

7. Bayani kan Marufi da Oda

7.1 Bayani na Marufi

Ana kunsa LEDs a cikin tef da sifa: guda 4000 a kowanne sifa.

7.2 Girman Tef da Sifa

Nisan tef 8mm, tazarar 4mm. Diamita na waje na sifa 178mm, diamita na cibiya 60mm. Ana ba da cikakkun girma a Hotuna na 2-1 da 2-2.

7.3 Bayani na Lakabi

Kowanne sifa yana ɗauke da lakabi da lambar kayan aiki, lambar bayani, lambar rukuni, lambar rarrabuwa (haske, launi, ƙarfin lantarki), lambar tsawon kalaman, yawa, da kwanan wata.

7.4 Marufi Mai Karewa daga Damshi

Ana rufe sifofi a cikin jaka mai kare damshi tare da busasshiyar kayan da kuma nuna damshi. Bi sarrafa MSL3.

7.5 Akwatin Katako

Ana kunsa sifofi a cikin akwatunan katako don jigilar kaya.

8. Gwajin Aminci

8.1 Abubuwan Gwaji da Yanayi

8.2 Ma'aunin Rashin aiki

Bayan gwaji, ƙarfin gaba bai wuce 1.1× na iyakar kayan aiki ba. Gudun baya ya zama ƙasa da 2.0× na iyakar kayan aiki. Haske mai haske bai wuce 0.7× na iyakar ƙasa ba.

9. Bayanin Aikace-aikace

9.1 Zane na Zazzabi

Wajibi ne a rarraba zazzabi yadda ya kamata. Zazzabin haɗaɗɗiya bai wuce 95°C ba. Yi amfani da isasshen yankin ƙarfen PCB da hanyoyin zazzabi don sarrafa zafi.

9.2 Zane na Circuit

Koyaushe haɗa resistor mai iyakance gudun don hana tashin gudun. Ka guji ƙarfin gaba. Dole ne circuit ɗin ya tabbatar da tura gaba kawai yayin aiki.

9.3 Kari na Muhalli

Adadin sulfur a cikin kayan da ke kewaye ya zama ƙasa da 100ppm. Adadin bromine da chlorine guda ɗaya ƙasa da 900ppm, jimillar ƙasa da 1500ppm. Ka guji VOCs da zasu iya lalata rufin LED.

10. Ajiya da Sarrafa

10.1 Yanayin Ajiya

Kafin buɗe jakar aluminum: ajiye a ≤30°C da ≤75%RH har zuwa shekara 1 daga kwanan wata. Bayan buɗe: ajiye a ≤30°C da ≤60%RH na awanni 168. Idan ya wuce, gasa kafin amfani.

10.2 Gasa

Gasa a 60±5°C na akalla awanni 24 idan jakar kariyar damshi ta lalace.

10.3 Kariya daga ESD

LEDs suna da saurin ESD (HBM 1000V). Yi amfani da matakan kariya daga ESD yayin sarrafawa da haɗawa.

11. Ka'idojin Aiki

Farar LED tana amfani da shuɗi InGaN chip wanda aka lulluɓe da rawaya phosphor (misali YAG:Ce). Haske mai shuɗi yana motsa phosphor don fitar da rawaya haske; haɗakar shuɗi da rawaya yana samar da farar haske. Matsayin zazzabin launi ya dogara da abun da ke cikin phosphor da kauri.

12. Tambayoyi na Gama-gari

Tambaya: Menene yanayin ajiya da aka ba da shawara?

Amsa: Kafin buɗewa, ≤30°C da ≤75%RH har zuwa shekara 1. Bayan buɗewa, awanni 168 a ≤30°C da ≤60%RH.

Tambaya: Sau nawa ake ba da izinin zagayowar reflow?

Amsa: Matsakaicin sau 2. Idan akwai fiye da awanni 24 tsakanin zagayowa, ana buƙatar gasawa.

Tambaya: Menene matakin damshin ruwa?

Amsa: Mataki na 3 na MSL.

Tambaya: Za a iya amfani da LED tare da bugu?

Amsa: E, matsakaicin gudun gaba shine 60mA tare da nauyin aiki 1/10 da faɗin bugu na 0.1ms.

Tambaya: Menene matsakaicin juriyar zazzabi?

Amsa: 450°C/W daga haɗaɗɗiya zuwa wurin tallace.