Takardar Bayani na SMD LED LTST-C950RTGKT - Ruwa Bayyananne Lens - InGaN Kore - 20mA - 76mW - Takardar Fasaha ta Hausa

1. Bayyani Game da Samfur

Wannan takarda ta bayyana cikakkun bayanai game da takamaiman LED na na'urar da ake hawa a saman (SMD). An tsara wannan kayan don haɗa allon da'ira da aka buga (PCB) ta atomatik kuma ya dace da aikace-aikacen da sarari ya zama matsalar gaske. LED yana da lens mai siffar kumfa kuma yana amfani da guntu na Indium Gallium Nitride (InGaN) mai haske sosai don samar da hasken kore.

1.1 Siffofi

• Yana bin ƙa'idar Ƙuntata Abubuwa Masu Haɗari (RoHS).
• Zanen lens mai siffar kumfa don ingantaccen rarraba haske.
• Fasahar guntu na InGaN mai haske sosai.
• An shirya shi a cikin tef na milimita 8 akan reels masu diamita inci 7 don kayan aikin ɗauka da sanyawa ta atomatik.
• Girman fakitin da ya dace da ƙa'idodin Ƙungiyar Masana'antu ta Lantarki (EIA).
• Shigarwa ya dace da matakan dabaru na da'irar haɗin kai (IC).
• An tsara shi don dacewa da injinan sanyawa ta atomatik.
• Ya dace da hanyoyin siyar da guduro ta infrared (IR).

1.2 Aikace-aikace

Ana amfani da wannan LED a cikin kayan lantarki iri-iri, gami da amma ba'a iyakance ga:

• Na'urorin sadarwa, kayan aikin sarrafa ofis, kayan amfani na gida, da tsarin sarrafa masana'antu.
• Hasken baya don maɓallan rubutu da madannai.
• Alamomin yanayi da wutar lantarki.
• Ƙananan nuni da alamomin panel.
• Hasken sigina da fitilu na alama.

2. Girman Fakitin da Tsari

An saka LED a cikin fakitin SMD na yau da kullun. An ba da mahimman ma'auni na injiniya a cikin zane-zanen injiniya, tare da duk ma'aunai da aka ƙayyade a cikin milimita. Matsakaicin jurewar girman shine ±0.1 mm sai dai idan an faɗi akasin haka. Takamaiman samfurin da aka rubuta a nan, LTST-C950RTGKT, yana da lens mai ruwa bayyananne da guntu na InGaN wanda ke fitar da hasken kore.

3. Ƙimar da Halaye

Duk sigogi na lantarki da na gani an ƙayyade su a yanayin zafin yanayi (Ta) na 25°C sai dai idan an faɗi akasin haka.

3.1 Matsakaicin Ƙimar Ƙarfi

Matsalolin da suka wuce waɗannan iyakoki na iya haifar da lalacewa ta dindindin ga na'urar. Ba a nuna aikin aiki a ƙarƙashin waɗannan sharuɗɗan ba.

• Watsi Wutar Lantarki (Pd):76 mW
• Matsakaicin Kwararar Gaba (I_F(PEAK)):100 mA (a cikin zagayowar aiki 1/10, faɗin bugun jini 0.1ms)
• Ci gaba da Kwararar Gaba (I_F):20 mA DC
• Kewayon Zafin Aiki (T_opr):-20°C zuwa +80°C
• Kewayon Zafin Ajiya (T_stg):-30°C zuwa +100°C
• Yanayin Siyar da Guduro ta Infrared:Matsakaicin zafin jiki 260°C na iya ɗaukar daƙiƙa 10 kawai.

3.2 Shawarar Tsarin IR Reflow don Aikin Ba tare da Gubar ba

An ba da shawarar yanayin zafin jiki don sake kwararar guduro mara gubar. Wannan bayanin shiri ne kawai; mafi kyawun bayanin ya dogara da takamaiman ƙirar PCB, man guduro, da halayen tanda. Bayanin ya kamata ya bi ƙa'idodin JEDEC, yawanci ya ƙunshi matakin kafin dumama, haɓaka da aka sarrafa zuwa matsakaicin zafin da bai wuce 260°C ba, da lokacin sanyaya da aka sarrafa.

3.3 Halayen Lantarki da na Gani

Waɗannan sigogi suna ayyana aikin na'urar a ƙarƙashin yanayin aiki na yau da kullun.

• Ƙarfin Hasken (I_V):Ya bambanta daga 1120 mcd (mafi ƙanƙanta) zuwa 7100 mcd (mafi girma), tare da ƙimar da ta dogara da takamaiman kwandon ajiya. An auna shi a I_F= 20mA ta amfani da firikwensin da aka tace zuwa lanƙwasa amsawar ido na CIE photopic.
• Kusurwar Dubawa (2θ_1/2):Digiri 25. Wannan shine cikakken kusurwar da ƙarfin haske ya rabi ƙimar da aka auna akan axis na tsakiya.
• Matsakaicin Tsawon Tsawon Watsawa (λ_P):530 nm. Tsawon zango inda rarraba ƙarfin bakan ya fi girma.
• Matsakaicin Tsawon Zango (λ_d):Ya bambanta daga 520.0 nm zuwa 535.0 nm a I_F= 20mA. Wannan shine tsawon zango guda ɗaya da idon ɗan adam ke gani wanda ke ayyana launi.
• Rabin Faɗin Layin Bakan (Δλ):35 nm. Faɗin bakan a rabin matsakaicin ƙarfi, yana nuna tsaftar launi.
• Ƙarfin Gaba (V_F):Ya bambanta daga 2.8 V zuwa 3.8 V a I_F= 20mA.
• Kwararar Baya (I_R):Matsakaicin 10 μA a ƙarfin baya (V_R) na 5V. Ba a tsara na'urar don aiki a ƙarƙashin ƙarfin baya ba.

3.3.1 Bayanan Aunawa da Gargaɗi

• Aunawar ƙarfin haske yana bin ƙa'idodin CIE.
• Na'urar tana da hankali ga Watsawar Lantarki (ESD). Ana buƙatar matakan kariya na ESD, kamar amfani da igiyoyin wuyan da aka kafa da tashoshin aiki masu hana lantarki, yayin sarrafawa.
• Aiwatar da ƙarfin baya don gwaji ne kawai; ba a nufin LED don aikin ƙarfin baya a cikin da'irorin aikace-aikace ba.

4. Tsarin Matsayi na Kwandon Ajiya

Don tabbatar da daidaito a cikin launi da haske don aikace-aikacen samarwa, ana rarraba LED zuwa kwandon ajiya bisa mahimman sigogi.

4.1 Matsayin Ƙarfin Gaba (V_F)

Ajiya a I_F= 20mA. Jurewar kowane kwandon ajiya shine ±0.1V.
Lambobin Kwandon Ajiya: D7 (2.80-3.00V), D8 (3.00-3.20V), D9 (3.20-3.40V), D10 (3.40-3.60V), D11 (3.60-3.80V).

4.2 Matsayin Ƙarfin Hasken (I_V)

Ajiya a I_F= 20mA. Jurewar kowane kwandon ajiya shine ±15%.
Lambobin Kwandon Ajiya: W (1120-1800 mcd), X (1800-2800 mcd), Y (2800-4500 mcd), Z (4500-7100 mcd).

4.3 Matsayin Hue (Matsakaicin Tsawon Zango)

Ajiya a I_F= 20mA. Jurewar kowane kwandon ajiya shine ±1 nm.
Lambobin Kwandon Ajiya: AP (520.0-525.0 nm), AQ (525.0-530.0 nm), AR (530.0-535.0 nm).

5. Matsakaicin Lanƙwasa Aiki

Yawanci ana ba da bayanan hoto da ke wakiltar halayen na'urar a ƙarƙashin yanayi daban-daban. Wannan ya haɗa da, amma ba'a iyakance ga:

• Dangantakar Ƙarfin Hasken da Kwararar Gaba:Yana nuna yadda fitarwar haske ke ƙaruwa tare da kwarara, yawanci a cikin dangantakar da ba ta layi ba, yana nuna mahimmancin ƙa'idar kwarara akan tuƙin ƙarfin lantarki.
• Ƙarfin Gaba da Kwararar Gaba:Yana kwatanta lanƙwasa halayen I-V na diode.
• Dangantakar Ƙarfin Hasken da Zafin Yanayi:Yana nuna raguwar fitarwar haske yayin da zafin haɗin ke tashi, wani muhimmin abu ne don sarrafa zafi a cikin aikace-aikacen ƙarfin wutar lantarki ko babban yawa.
• Rarraba Ƙarfin Bakan:Wani zane da ke nuna ƙarfin hasken da ake fitarwa a kowane tsawon zango, wanda ya ta'allaka ne a kusa da matsakaicin tsawon zango na 530 nm tare da rabin faɗi na halaye.

6. Jagorar Mai Amfani don Haɗawa da Sarrafawa

6.1 Tsaftacewa

Masu tsaftacewa na sinadarai da ba a bayyana ba na iya lalata fakitin LED. Idan ana buƙatar tsaftacewa bayan siyarwa, yi amfani da barasa na ethyl ko isopropyl a zafin daki. Lokacin nutsarwa ya kamata ya kasance ƙasa da minti ɗaya.

6.2 Shawarar Tsarin Pad na PCB

An ba da shawarar tsarin ƙasa (sawun ƙafa) don PCB don tabbatar da ingantaccen siyarwa da kwanciyar hankali na injiniya. Wannan ya haɗa da girman pad, tazara, da ma'anar abin rufe fuska don cimma ingantaccen fillet na guduro.

6.3 Ƙayyadaddun Fakitin Tef da Reel

Ana ba da LED a cikin tef ɗin mai ɗaukar kaya da aka zana a kan reels masu diamita inci 7 (178mm). Faɗin tef ɗin shine 8mm. Muhimman ƙayyadaddun bayanai sun haɗa da:

• Tazarar aljihu da ma'auni don gidan kayan.
• Ƙayyadaddun tef ɗin rufewa don rufewa.
• Cibiyar reel, diamita na flange, da shugabanci na jujjuyawa.

6.4 Cikakkun Bayanai na Fakitin Reel

• Reel na yau da kullun yana ƙunshe da guda 2000.
• Mafi ƙarancin adadin oda don reels marasa cikakke shine guda 500.
• Ana ba da izinin fanko biyu a jere a kowane reel.
• Fakitin ya dace da ƙa'idodin ANSI/EIA-481.

7. Bayanan Aikace-aikace da Gargaɗi

7.1 Amfanin da Ake Nufi da Amincewa

An tsara wannan LED don daidaitattun kayan lantarki na kasuwanci da masana'antu. Ba a ƙididdige shi don aikace-aikacen aminci masu mahimmanci inda gazawar za ta iya haifar da haɗari kai tsaye ga rayuwa ko lafiya (misali, jirgin sama, tallafin rayuwa na likita, sarrafa sufuri). Don irin waɗannan aikace-aikace, tuntuɓar mai kera don manyan matakan aminci yana da mahimmanci.

7.2 Yanayin Ajiya

Fakitin da aka Rufe:Ajiye a ≤30°C da ≤90% Danshi na Dangi (RH). Tsawon rayuwar shimfidar wuri shine shekara guda lokacin da jakar shinge mai danshi tare da desiccant ya kasance cikakke.
Fakitin da aka Buɗe:Don abubuwan da aka cire daga jakarsu da aka rufe, yanayin ajiya bai kamata ya wuce 30°C da 60% RH ba. Ya kamata a yi wa abubuwan siyar da guduro ta IR a cikin mako guda (Matsakaicin Hankali na Danshi 3, MSL 3). Don ajiya fiye da mako guda, a gasa a 60°C na aƙalla sa'o'i 20 kafin haɗawa, ko ajiye a cikin yanayi mai rufi, bushewa (misali, tare da desiccant ko nitrogen).

7.3 Shawarwarin Siyarwa

Siyar da Guduro ta Reflow (Ana Shawarwari):
- Kafin Dumama: 150-200°C.
- Lokacin Kafin Dumama: Matsakaicin daƙiƙa 120.
- Matsakaicin Zafin Jiki: Matsakaicin 260°C.
- Lokaci a Matsakaici: Matsakaicin daƙiƙa 10. Ba ya kamata a yi aikin sake kwararar fiye da sau biyu ba.
Siyar da Hannu (Idan ya cancanta):
- Zafin Ƙarfe: Matsakaicin 300°C.
- Lokacin Siyarwa: Matsakaicin daƙiƙa 3 kowane jagora. Wannan ya kamata a yi sau ɗaya kawai.
Lura:Mafi kyawun bayanin sake kwararar yana da takamaiman allon. Ƙimar da aka bayar iyakoki ne; ana ba da shawarar siffanta takamaiman haɗin PCB.

8. Zurfin Fasaha da La'akari da Ƙira

8.1 Ka'idojin Photometric da Colorimetric

An ayyana aikin ta amfani da raka'a na photometric (ƙarfin haske a cikin millicandelas) waɗanda ke lissafin hankalin idon ɗan adam, sabanin raka'a na radiometric (watts). Matsakaicin tsawon zango shine mahimmin siga don ƙayyadaddun launi a cikin aikace-aikacen da fahimtar ɗan adam ke da mahimmanci, yayin da matsakaicin tsawon zango ya fi dacewa da daidaitawar firikwensin gani. Ƙunƙuntaccen rabin faɗin bakan na 35 nm yana da halayen LED na kore na tushen InGaN, yana ba da ingantaccen jikewa na launi.

8.2 La'akari da Tuƙin Lantarki

LEDs na'urori ne masu tuƙin kwarara. Ƙarfin gaba yana da ƙimar zafin jiki mara kyau kuma ya bambanta daga naúrar zuwa naúrar (kamar yadda V_Fbinning ya nuna). Saboda haka, ba a ba da shawarar tuƙi tare da tushen ƙarfin lantarki na yau da kullun saboda zai iya haifar da guduwar zafi ko rashin daidaiton haske. Mai tuƙin kwarara na yau da kullun ko resistor mai iyakance kwarara a jere tare da tushen ƙarfin lantarki yana da mahimmanci. Matsakaicin kwararar DC na 20mA yana ayyana ma'aunin aiki na yau da kullun, yayin da ƙimar bugun jini na 100mA yana ba da damar tuƙi na ɗan gajeren lokaci a cikin aikace-aikacen da aka haɗa.

8.3 Gudanar da Zafi

Tare da matsakaicin watsi wutar lantarki na 76mW, ingantaccen nutsewar zafi ta hanyar PCB yana da mahimmanci, musamman lokacin aiki a manyan yanayin zafi ko a matsakaicin kwarara. Dole ne a yi la'akari da raguwar ƙarfin haske tare da haɓakar zafin haɗin a cikin ƙirar gani don tabbatar da daidaiton haske a cikin kewayon aiki. Tsarin pad na PCB shine babbar hanyar zafi.

8.4 Ƙirar Gani

Kusurwar dubawa na digiri 25 (cikakken faɗi a rabin matsakaici) yana nuna ƙaramin haske daga lens ɗin kumfa. Wannan ya sa ya dace da aikace-aikacen nuni inda ake buƙatar hasken da aka nufa. Don hasken baya ko hasken yanki, yawanci ana buƙatar na'urorin gani na biyu (jagororin haske, masu watsawa) don yada haske daidai.

8.5 Kwatanta da Madadin Fasahohi

LEDs na kore na tushen InGaN, kamar wannan, suna ba da ingantacciyar inganci da haske idan aka kwatanta da tsofaffin fasahohi kamar Gallium Phosphide (GaP). Lens ɗin ruwa bayyananne yana ba da ainihin launin guntu, wanda shine kore mai jikewa, sabanin ruwan tabarau masu watsawa waɗanda zasu iya watsar da haske kuma su canza launin da ake gani kaɗan. Fakitin SMD yana ba da fa'idodi masu mahimmanci a cikin saurin haɗawa, daidaiton sanyawa, da ceton sararin allo akan LED na rami.

8.6 Jagorar Takamaiman Aikace-aikace

Alamomin Yanayi:Resistor na jere mai sauƙi da aka ƙididdige don ~10-15mA a ƙarfin lantarki na tsarin ya isa. Yi la'akari da kusurwar dubawa don sanyawa panel.
Hasken Baya:Yawanci ana amfani da LED da yawa. Daidaito a cikin ƙarfin haske (I_Vbin) da matsakaicin tsawon zango (Hue bin) yana da mahimmanci don guje wa wurare masu zafi ko bambancin launi a cikin nuni. Ana ba da shawarar tsarin mai tuƙin kwarara na yau da kullun.
Sigina Mai Sauri:Ana iya amfani da ikon sauyawa cikin sauri na LED. Ƙimar kwararar bugun jini tana ba da damar ɗan gajeren lokaci na manyan bugun jini don cimma mafi girman haske a cikin aikace-aikacen da aka haɗa ko PWM-dimmed.

8.7 Magance Matsalolin Gama Gari

Rashin Daidaiton Hasken:Mai yiwuwa ya faru ne saboda tuƙin LED a layi daya daga tushen ƙarfin lantarki ba tare da iyakance kwarara ɗaya ba. Yi amfani da tushen kwarara na yau da kullun ko resistors ɗaya.
Canjin Launi A Tsawon Lokaci/Zafi:Matsakaicin tsawon zango na iya canzawa kaɗan tare da zafin jiki da kwarara. Tabbatar da ingantaccen ƙirar zafi da tuƙin kwarara mai ƙarfi.
Lalacewar ESD:Rashin haskakawa ko aiki na lokaci-lokaci na iya haifar da ESD. Koyaushe ku bi ƙa'idodin ESD yayin sarrafawa da haɗawa.
Ƙungiyoyin Siyarwa Marasa Kyau:Na iya haifar da ƙirar pad mara kyau, yawan man guduro, ko karkata daga shawarar sake kwararar. Duba tsarin ƙasa da jagororin siyarwa.

9. Mahallin Masana'antu da Trends

SMD LEDs suna wakiltar babbar fasahar fakitin don zamani na zamani saboda dacewarsu da manyan layukan haɗa PCB ta atomatik. Canjin zuwa kayan InGaN don LED na kore da shuɗi ya ba da damar ingantacciyar inganci da fitarwa mai haske. Trends suna ci gaba zuwa ƙananan ƙira (ƙananan girman fakitin), ƙara yawan ƙarfin wutar lantarki (mafi girma daga ƙananan wurare), da ingantaccen daidaiton launi ta hanyar ƙaramin ajiya. Bugu da ƙari, haɗin kai tare da direbobin kan allo da da'irorin sarrafawa a cikin ƙarin fakitoci masu ci gaba ci gaba ne. Ƙarfafa akan RoHS da dacewar siyar da guduro mara gubar, kamar yadda aka gani a cikin wannan takardar bayani, yana nuna ƙarin ƙa'idodin muhalli a cikin masana'antar lantarki.