Amber LED 1.6x0.8x0.7mm - 20mA 2.0V 72mW - 140° Kusurwar Gani - Takardun Bayanan Fasaha

1. Bayanin Samfurin

1.1 Bayani na Gabaɗaya

Wannan samfurin LED ne na SMD mai kalar amber da aka yi ta amfani da guntu amber. Girman fakitin shine 1.6mm x 0.8mm x 0.7mm, wanda ya dace da haɗaɗɗun na'urorin lantarki masu ƙarami. LED ɗin yana da kusurwar gani mai faɗi sosai na digiri 140, yana tabbatar da rarraba haske iri ɗaya a aikace-aikacen nuni da nuni.

1.2 Abubuwa

• Kusurwar gani mai faɗi sosai na 140°.
• Yana dacewa da duk tsarin haɗa SMT da aikin solder.
• Matsayin damshin damshi: Mataki 3 (a kan IPC/JEDEC J-STD-020).
• Ya bi ka'idar RoHS.

1.3 Aikace-aikace

• Nunin haske.
• Maɓallai, alamomi, da nuni.
• Haskewar gabaɗaya da siginar.

2. Girman Fakitin da Salo na Solder

2.1 Girmakan Mezanika

Fakitin LED yana da jiki mai rectangular tare da girma 1.6mm (tsawo) x 0.8mm (faɗi) x 0.7mm (tsayi). Hoton sama yana nuna shirin yankin fitar haske, yayin da hoton ƙasa ke nuna filogin solder guda biyu tare da alamar polarity. Girmakan suna cikin millimeters tare da haƙuri ±0.2mm sai dai in an faɗi.

Hoton gefe yana nuna tsayin 0.7mm da ƙaramin chamfer a kusurwa ɗaya don gano polarity. Polar ɗin kuma ana nuna ta alama a gefen ƙasa.

2.2 Salo na Solder da aka Shawarta

Don amincin haɗin solder mafi kyau, an bayar da salo na ƙasar PCB da aka shawarta. Salon ya ƙunshi matattarar rectangular guda biyu masu nisa 0.8mm, kowanne 0.8mm faɗi, tare da jimlar faɗi 2.4mm. Ya kamata a tsara stencil ɗin mannna solder daidai don samun adadin solder da ya dace.

3. Halayen Lantarki da Haske

3.1 Rarraba Ƙarfin Gaba (VF)

A gwajin halin yanzu na 20mA da zafin jiki Ts=25°C, ana rarraba ƙarfin gaba (VF) zuwa rukunan uku:

• Bin B0: 1.8V zuwa 2.0V (yawanci 1.9V)
• Bin C0: 2.0V zuwa 2.2V (yawanci 2.1V)
• Bin D0: 2.2V zuwa 2.4V (yawanci 2.3V)

Haƙurin auna ƙarfin gaba shine ±0.1V. Waɗannan bins suna ba abokan ciniki damar zaɓar LEDs tare da daidaitaccen ƙarfi don daidaitawa a jere ko layi daya.

3.2 Rarraba Tsayin Rinjaye (λD)

Ana auna tsayin rinjaye (λD) a 20mA da 25°C, tare da bins biyu da ke rufe bakan amber:

• Bin A00: 600nm zuwa 605nm
• Bin B00: 605nm zuwa 610nm

Haƙurin auna shine ±2nm. Faɗin rabin bakan yawanci 15nm, yana nuna ɗan ƙaramin bakan launi wanda ya dace da nuni masu kalar ɗaya.

3.3 Rarraba Ƙarfin Haske (IV)

Ana rarraba ƙarfin haske (IV) zuwa rukuna huɗu a 20mA:

• F20: 80 zuwa 100 mcd
• G10: 100 zuwa 120 mcd
• G20: 120 zuwa 150 mcd
• H10: 150 zuwa 180 mcd

Haƙurin auna shine ±10%.

3.4 Kusurwar Gani da Halin Juyawa

Kusurwar gani (2θ1/2) yawanci digiri 140 ne, yana tabbatar da tsarin haske mai faɗi. Halin juyawa a VR=5V yana da matsakaicin 10μA, yana nuna ingancin junction mai kyau.

3.5 Juriya na Zafi

Juriya na zafi daga junction zuwa wurin solder (RTHJ-S) yana da matsakaicin 450°C/W. Wannan ma'auni yana da mahimmanci don sarrafa zafi a aikace-aikacen halin yanzu mai girma.

4. Matsakaicin Ƙimar Ƙarshe

Ba dole ba a yi amfani da LED fiye da matsakaicin ƙimar ƙarshe masu zuwa a Ts=25°C:

• Ƙarfin Wuta: 72 mW
• Halin Gaba: 30 mA (ci gaba)
• Ƙarfin Gaba na Kololuwa (bugun jini): 60 mA (1/10 na sake zagayowar, faɗin bugun jini 0.1ms)
• Rashin Lantarki na Tsaye (HBM): 2000 V
• Zafin Aiki: -40 zuwa +85 °C
• Zafin Ajiya: -40 zuwa +85 °C
• Zafin Junction: 95 °C

Dole ne a kula don tabbatar da cewa samfurin bai wuce waɗannan iyakokin ba, saboda yin hakan na iya haifar da lalacewa ta dindindin.

5. Hotuna na Halayen Haske na Yau da Kullun

Hotuna masu zuwa suna nuna aikin LED na yau da kullun a ƙarƙashin yanayi daban-daban (duk an auna a Ts=25°C sai dai in an faɗi):

5.1 Ƙarfin Gaba vs. Halin Gaba

Yayin da halin gaba ya ƙaru daga 0 zuwa 30mA, ƙarfin gaba yana ƙaruwa kusan a layi daga kusan 1.8V zuwa 2.4V (dangane da bin). Wannan dangantaka tana da mahimmanci don ƙirar direba.

5.2 Halin Gaba vs. Ƙarfin Haske na Dangi

Ƙarfin haske na dangi yana ƙaruwa tare da halin gaba a kusan layi har zuwa 30mA, tare da ɗan jikewa a mafi girman halin yanzu.

5.3 Zafin Pin vs. Ƙarfin Haske na Dangi

A mafi girman zafin pin, ƙarfin haske na dangi yana raguwa. Hoton yana nuna cewa a 85°C, ƙarfin na iya faɗuwa zuwa kusan 70% na ƙimar 25°C.

5.4 Halin Gaba vs. Tsayin Rinjaye

Tsayin rinjaye yana canzawa kaɗan tare da halin gaba. A 20mA, tsayin yana cikin bin da aka ayyana, amma a mafi girman halin yanzu ƙaramin jan motsi na iya faruwa.

5.5 Ƙarfin Haske na Dangi vs. Tsayin

Rarraba bakan yana nuna kololuwar ƙarfi a kusa da 605nm tare da rabin faɗin kusan 15nm.

5.6 Tsarin Haske

Tsarin haske yana kama da Lambertian tare da faɗin kusurwar gani 140°. Ƙarfin haske na dangi yana faɗuwa zuwa 50% a 70° daga axis.

6. Bayanan Tattarawa

6.1 Girmakan Tef ɗin Jigila

An tattara LEDs a cikin tef ɗin jigila mai faɗi 8.0mm da tazarar aljihu 4.0mm. Kowace aljihu tana ɗaukar LED ɗaya tare da alamar polarity. Tef ɗin an rufe shi da tef ɗin murfin sama. Girmakan: faɗi 8.00mm, tazarar aljihu 4.00mm, zurfin aljihu 0.95mm, da nisa zuwa ramin sprocket 2.00mm.

6.2 Girmakan Reel

Kowace reel tana da diamita 178mm ±1mm, faɗi 8.0mm ±0.1mm, diamita na cibiya 60mm ±1mm, da diamita na ramin tsakiya 13.0mm ±0.5mm. Reel ɗin yana ɗaukar LEDs 4000 a kowace reel.

6.3 Bayanan Lakabi

Lakabin ya ƙunshi lambar sashi, lambar spec, lambar lot, lambar bin (gami da haske na haske, chromaticity, ƙarfin gaba, tsayin), yawa, da kwanan wata. Lambar bin tana ɓoye takamaiman rukunin aiki don gano asali.

6.4 Tattarawa Mai Juriya da Danshi

Ana sanya reel ɗin a cikin jakar hana danshi tare da desiccant da katin nuna danshi. An rufe jakar kuma an yi lakabi. Matsayin damshin damshi shine 3, ma'ana LEDs suna da rayuwar bene na sa'o'i 168 da zarar an buɗe jakar, ƙarƙashin yanayi na ≤30°C da ≤60% RH.

6.5 Akwatin Kwali

Ana tattara jakunkuna da aka rufe a cikin akwatunan kwali don jigilar kaya. Akwatin yana ba da kariya ta injiniya da ikon tara.

7. Abubuwan Gwajin Aminci da Ma'auni

7.1 Gwajin Aminci

An tabbatar da LED ta hanyar gwaje-gwaje daban-daban na aminci bisa ga ma'aunin JEDEC. Waɗannan sun haɗa da:

• Solder Reflow: 260°C max na daƙiƙa 10, sau 2
• Zagayawa na Zafin Jiki: -40°C zuwa 100°C, zagayawa 100
• Girgiza Zafin Jiki: -40°C zuwa 100°C, zagayawa 300
• Ajiya a Babban Zafin Jiki: 100°C na sa'o'i 1000
• Ajiya a Ƙananan Zafin Jiki: -40°C na sa'o'i 1000
• Gwajin Rayuwa: 25°C, 20mA na sa'o'i 1000

An yi duk gwaje-gwaje akan samfura 22 tare da ma'aunin karɓa na gazawar 0 da kin amincewa 1.

7.2 Ma'aunin Gazawa

Bayan damuwa, ana ɗaukar LED ɗin ya gaza idan:

• Ƙarfin gaba ya wuce sau 1.1 na iyakar ma'auni mafi girma.
• Halin juyawa ya wuce sau 2.0 na iyakar ma'auni mafi girma.
• Hasken haske ya faɗi ƙasa da sau 0.7 na iyakar ma'auni mafi ƙanƙanta.

8. Umarnin Reflow Soldering na SMT

8.1 Salo na Reflow

An ba da shawarar salo na reflow soldering kamar haka (a kan JEDEC J-STD-020):

• Matsakaicin hawa (Tsmax zuwa TP): max 3°C/s
• Preheat: 150°C zuwa 200°C na daƙiƙa 60 zuwa 120
• Lokaci sama da 217°C (TL): max daƙiƙa 60
• Matsakaicin zafin jiki (TP): 260°C
• Lokaci a cikin 5°C na kololuwa: max daƙiƙa 30
• Matsakaicin saukarwa: max 6°C/s
• Lokaci daga 25°C zuwa kololuwa: max mintuna 8

Ba za a yi reflow soldering fiye da sau biyu ba. Idan fiye da sa'o'i 24 suka shuɗe tsakanin ayyukan soldering guda biyu, LEDs na iya sha danshi kuma suna buƙatar gasa.

8.2 Solder da Hannu

Idan solder da hannu ya zama dole, zafin ƙarfe dole ne ya kasance ƙasa da 300°C kuma lokacin lamba ƙasa da daƙiƙa 3. Ana iyakance solder da hannu sau ɗaya kawai.

8.3 Gyara

Ba a ba da shawarar gyara bayan reflow ba. Idan ba za a iya kauce masa ba, ya kamata a yi amfani da ƙarfen soldering mai kai biyu, kuma a tabbatar da tasiri akan halayen LED.

8.4 Tsaro

• Kada a saka LEDs a kan ɓangarorin PCB da aka karkata.
• Kada a yi amfani da ƙarfi na injiniya ko girgiza yayin sanyaya bayan soldering.
• Kada a huce na'urar da sauri.

9. Tsaro na Mu'amala da Ajiya

9.1 La'akari da Muhalli

Yanayin aiki da kayan haɗin gwiwa ya kamata ya ƙunshi ƙasa da 100PPM na sulfur da mahadi don hana lalata leadframe mai azurfa. Bugu da ƙari, abun ciki ɗaya na Bromine da Chlorine ya kamata kowannensu ya zama ƙasa da 900PPM, kuma jimlar abun ciki ƙasa da 1500PPM.

9.2 Volatile Organic Compounds (VOCs)

VOCs da ke fitowa daga kayan kayan aiki na iya shiga cikin silicone encapsulant kuma su haifar da canza launi ƙarƙashin zafi da haske, yana haifar da asarar haske mai mahimmanci. Mai ƙera yana ba da shawara game da amfani da duk wani sinadari da zai iya cutar da aikin na'urar. Ana ba da shawarar gwajin dacewa don duk kayan da ke hulɗa da LED.

9.3 Tsarin Kewayawa

Halin yanzu ta kowace LED dole ne ya wuce matsakaicin ƙimar ƙarshe. Ya kamata a yi amfani da resistor mai iyakance halin yanzu don hana lalacewa daga ƙananan canje-canjen ƙarfi. Kewayawar ya kamata ta yi amfani da ƙarfin gaba kawai yayin aiki; ƙarfin juyawa na iya haifar da ƙaura da lalacewa.

9.4 Tsarin Zafi

Sarrafa zafi yana da mahimmanci saboda samar da zafi yana rage ingancin haske kuma yana canza launi. Dole ne a sami isasshen ɗaukar zafi da ƙirar PCB don kiyaye zafin junction ƙasa da matsakaicin ƙima na 95°C.

9.5 Yanayin Ajiya

• Kafin buɗe jakar aluminum: adana a ≤30°C da ≤75% RH har zuwa shekara 1 daga kwanan wata.
• Bayan buɗewa: adana a ≤30°C da ≤60% RH har zuwa sa'o'i 168.
• Idan yanayin ajiya ya wuce ko kuma jakar ta lalace, gasa a 60±5°C na ≥24 hours kafin amfani.

9.6 Kariya daga ESD

LEDs suna kula da fitar lantarki na tsaye da wuce gona da iri na lantarki. Ya kamata a yi amfani da matakan sarrafa ESD masu dacewa (misali, wuraren aiki na ƙasa, jakunkuna na antistatic) yayin mu'amala da haɗa.

Don ƙarin bayani, da fatan za a koma ga bayanan aikace-aikace masu dacewa na mai ƙera.