0402 Red LED RF-RU0402TS-BC-B1 - 1.0x0.5x0.4mm - Ƙarfin Gaba 1.7-2.4V - Ƙarfi 48mW - Takardar Fasaha ta Hausa

1. Bayyana Samfur

RF-RU0402TS-BC-B1 ƙaramin LED jan SMD ne a cikin kunshin 1.0mm x 0.5mm x 0.4mm, wanda aka yi ta amfani da chip jan mai inganci. An tsara shi don nuna hankali na gabaɗaya, yana ba da kusurwar kallo mai fadi sosai na 140°, wanda ya dace da aikace-aikace inda ganuwa daga kusurwa daban-daban ke da mahimmanci. Na'urar tana goyan bayan haɗa SMT na yau da kullum da tsarin solder reflow, kuma tana bin ka'idojin RoHS tare da matakin damshin 3.

Mahimmancin abubuwan sun hada da ƙananan ƙarfin gaba (1.7V zuwa 2.4V a 5mA), mafi girman ruwan gaba na 20mA, da rashin ƙarfi na 48mW. LED yana fitar da haske jan tare da tsawon haske mai girman tsakanin 625nm da 640nm, da kuma rarrabuwar ƙarfin haske daga 8 mcd zuwa 65 mcd. Samfur yana samuwa a cikin rarrabuwar ƙarfi da tsawon haske da yawa, yana ba da damar daidaitawa don daidaito a aikace-aikace masu girma.

2. Nazarin Ma'auni na Fasaha

2.1 Halayen Lantarki da Haske

A zazzabi na 25°C da ruwan gwaji na 5mA, LED yana nuna halaye masu zuwa:

• Ƙarfin Gaba (VF):Ƙarfin gaba an raba shi zuwa rukuni da yawa (A2 zuwa D2), wanda ya rufe 1.7V zuwa 2.4V a mataki 0.1V. Ma'aunin karatu ±0.1V.
• Tsawon Haske Mai Girma (λD):Rarraba tsawon haske uku (F00: 625-630nm, G00: 630-635nm, H00: 635-640nm) suna ba da damar zaɓar launi jan daidai. Karatu ±2nm.
• Ƙarfin Haske (IV):Rarraba shida (A00: 8-12 mcd, B00: 12-18 mcd, C00: 18-28 mcd, D00: 28-43 mcd, E00: 43-65 mcd) suna rufe zaɓuɓɓukan haske masu yawa. Karatu ±10%.
• Kusurwar Kallo (2θ1/2):Yawanci 140°, yana tabbatar da tarwatsa mai fadi.
• Ruwan Baya (IR):Kasa da 10 µA a VR=5V.
• Rashin Zafi (RTHJ-S):450°C/W (junction zuwa wurin solder).

2.2 Matsakaicin Ƙima na Karshe

Na'urar ba za ta wuce iyakokin da ke gaba ba don guje wa lalacewa ta dindindin:

• Rashin Ƙarfi (Pd): 48 mW
• Ruwan Gaba (IF): 20 mA (DC); 60 mA kololuwa don pulse (1/10 duty, 0.1ms nisa)
• ESD (HBM): 2000 V
• Zazzabi na Aiki (Topr): -40°C zuwa +85°C
• Zazzabi na Ajiya (Tstg): -40°C zuwa +85°C
• Zazzabi na Ƙofar (Tj): 95°C

2.3 Halayen Zafi

Rashin zafi na 450°C/W yana nuna ikon sarrafa zafi mai matsakaici. A cikin aiki na ci gaba a 20mA, hawan zazzabi na ƙofar sama da na yanayi yana kusan 9°C (idan akwai kyakkyawan sarrafa zafi). Dole ne a kula don kiyaye ƙofar kasa da iyakar 95°C, musamman a aikace-aikace masu yawan gaske. Layukan rage aikin haske na yau da kullum sun nuna cewa ƙarfin haske na dangantaka yana raguwa a layi tare da hawan zazzabi na yanayi (duba Sashe na 3).

3. Nazarin Layin Aiki

Takardar ta ba da alaƙar hoto da yawa waɗanda ke taimakawa a tsarin lantarki:

3.1 Ƙarfin Gaba vs. Ruwan Gaba

Fig 1-6 yana nuna layin diode na yau da kullum. A ƙarfin gaba na 2V, ruwan yana kusan 5mA. Layin ya zama mai tsauri sama da 2V, yana kaiwa 20mA a kusa da 2.5V. Wannan rashin layi yana jaddada buƙatar masu iyakance ruwan.

3.2 Ƙarfin Haske na Dangantaka vs. Ruwan Gaba

Ƙarfin haske na dangantaka yana karuwa a layi tare da ruwan gaba har zuwa 20mA, sannan ya ɗan cika. A 5mA, ƙarfin haske na dangantaka yana kusan 0.4 (daidaita zuwa 20mA). Wannan yanki na layi yana ba da damar daidaita haske cikin sauƙi ta hanyar PWM ko sarrafa ruwan na analog.

3.3 Tasirin Zazzabi

Fig 1-8 yana nuna cewa ƙarfin haske na dangantaka yana raguwa kusan 15% lokacin da zazzabi na yanayi ya tashi daga 25°C zuwa 85°C. Fig 1-9 yana nuna mafi girman ruwan gaba da aka yarda yana raguwa daga 20mA a 25°C zuwa kusan 8mA a zazzabi na pin 100°C. Waɗannan layukan ragewa suna da mahimmanci ga tsarin zafi.

3.4 Tsayawa Tsawon Haske

Fig 1-10 yana nuna cewa tsawon haske mai girman yana ɗan canja (kusan 2nm) daga 5mA zuwa 15mA, yana kasancewa a cikin rarraba. Wannan tsayawa yana da karɓuwa ga yawancin aikace-aikacen nuna alama.

3.5 Rarraba Haske

Tsarin (Fig 1-11) yana nuna wani tsayi mai kunkuntar da ke kewaye da 630nm tare da cikakken nisa a rabin tsayi (FWHM) na kusan 20nm, na yau da kullum ga AllnGaP red LEDs.

3.6 Siffar Haske

Fig 1-12 yana nuna hoto na polar wanda ke nuna tsarin fitowa kusa-Lambertian. Ƙarfin haske na dangantaka yana raguwa zuwa 50% a kusan 70° daga axis, yana tabbatar da kusurwar kallo na 140°.

4. Tsarin Rarraba

RF-RU0402TS-BC-B1 yana amfani da tsarin rarraba mai girma uku don launi, ƙarfi, da ƙarfin gaba:

• Rarraba Tsawon Haske:F00 (625-630nm), G00 (630-635nm), H00 (635-640nm). Kowane rarraba yana tabbatar da bayyanar launi mai daidaituwa.
• Rarraba Ƙarfin Haske:A00 zuwa E00 (8-65 mcd). Rarraba ba su yi karo da juna ba, suna ba da damar daidaitawa daidai don hasken baya ko nunin matrix.
• Rarraba Ƙarfin Gaba:A2 zuwa D2 (1.7-2.4V, mataki 0.1V). Rarraba ƙarfin yana taimakawa a tsara da'irori masu jeri/daidaita ta hanyar rage canjin ruwan.

Haɗin waɗannan rarraba an ɓoye su a cikin lambar samfur (misali, filin BIN CODE). Abokan ciniki na iya neman takamaiman haɗin rarraba don samarwa mai girma don samun daidaito sosai.

5. Bayanan Tsari da Kunshin

5.1 Girman Kunshin

LED yana amfani da ƙaramin 0402 (1.0mm × 0.5mm × 0.4mm). Kunshin yana da tashoshi biyu tare da alamar cathode (duba Fig 1-4). Duban ƙasa yana nuna girman pads: pad 1 shine anode, pad 2 shine cathode. Tsarin solder da aka ba da shawara (Fig 1-5) yana da pads 0.6mm × 0.6mm tare da tazara 0.5mm, yana ba da damar samar da haɗin solder mai dogara.

5.2 Hanyar Karya da Kula

Polarity an nuna shi a fili ta alamar a saman (gefen cathode). Polar mara kyau na iya haifar da karyewar baya (max 5V) da lalata LED. Kunshin yana da ƙanƙantar gaske, don haka ana ba da shawarar kulawa a hankali tare da vacuum tweezers ko kayan pick-and-place.

6. Jagorar Solder da Hada

6.1 Tsarin Solder Reflow

Tsarin reflow da aka ba da shawara (Fig 3-1) yana biye da ka'idojin IPC/JEDEC tare da zazzabi mafi girma na 260°C (max 10 seconds). Mahimmancin sigogi:

• Preheat: 150°C zuwa 200°C na daƙiƙa 60-120
• Lokaci sama da 217°C (TL): daƙiƙa 60-150
• Zazzabi mafi girma (TP): 260°C (max 10 seconds)
• Matsakaicin sanyaya: ≤6°C/s

Kar a wuce zagayen reflow biyu. Idan sama da sa'o'i 24 suka wuce tsakanin ayyukan solder, ana buƙatar gasa. Solder da hannu tare da iron ya kamata a iyakance zuwa gefe ɗaya a ≤300°C na ≤3 seconds.

6.2 Kariyar Kula

LED yana da hankali ga damshi (MSL Level 3). Na'urorin da ba a yi amfani da su ba dole ne a adana su a cikin jakar kariya da aka rufe tare da desiccant. Bayan buɗewa, lokacin adanawa ya iyakance zuwa sa'o'i 168 a 30°C/60% RH. Idan katin nuna damshi ya nuna damshi mai yawa, gasa a 60±5°C na ≥24 hours.

Ƙari ga haka, silicone encapsulant yana da saukin kamuwa da harin sinadarai daga sulfur, bromine, chlorine, da VOCs. Kayan haɗi dole ne su ƙunshi kasa da 100PPM sulfur,<900PPM kowanne daga bromine da chlorine (jimla<1500PPM). Ka guji adhesives waɗanda ke fitar da tururin gabobi.

7. Bayanan Kunshin da Oda

7.1 Tsarin Kunshin

LEDs ana kawo su a cikin tef mai nisa 8mm (4000 pcs a kowace reel) tare da reel diamita 178mm. Tef yana da alamar polarity da tef na rufewa don kariya. Kowane reel an yi masa alama da lambar samfur, lambar spec, lambar lot, lambar bin, adadi, da lambar kwanan wata.

7.2 Ajiya da Rayuwa

Jakunkuna da aka rufe ana iya adana su a ≤30°C/≤75% RH har zuwa shekara ɗaya daga ranar kera. Da zarar an buɗe, bi rayuwar bene na MSL Level 3 na sa'o'i 168. Idan desiccant ya canza launi ko lokaci ya ƙare, gasa ta zama tilas.

8. Jagorar Amfani

8.1 Amfani na Yau da Kullum

RF-RU0402TS-BC-B1 ya dace sosai don nuna matsayi, hasken baya na maɓallan turawa, haskaka alama, da hankalin gani na gabaɗaya a cikin kayan lantarki na mabukaci, kayan sawa, na'urorin IoT, da hasken cikin mota. Ƙanƙantarsa ta dace da PCBs masu ƙuntataccen sarari.

8.2 La'akari da Tsarin Lantarki

Koyaushe yi amfani da resistor a jeri don iyakance ruwan. Don wutar 3.3V, resistor 150Ω yana ba da kusan 10mA (a tsammanin ƙarfin gaba 1.8V). A cikin aiki na pulse (misali, 1/10 duty), ruwan kololuwa har zuwa 60mA ya halatta. Don tsararru masu daidaituwa, yi la'akari da amfani da resistor ɗaya kowane LED don guje wa tara ruwan saboda canjin rarraba ƙarfin gaba.

8.3 Gudanar da Zafi

Duk da ƙananan ƙarfi, ana ba da shawarar kyakkyawan tsarin zafi idan ana haɗa LEDs da yawa. Ka kiyaye zazzabi na pad solder kasa da 85°C; yi amfani da vias na zafi da zanen jan ƙarfe don yada zafi. A cikin yanayi mai zafi, rage ruwan gaba (duba layin ragewa a Fig 1-9).

9. Kwatanta da Masu Gasa

Idan aka kwatanta da daidaitattun LEDs 0402 daga wasu masu siyarwa, RF-RU0402TS-BC-B1 yana ba da kusurwar kallo mai fadi (140° vs na yau da kullum 120°) da zaɓuɓɓukan rarraba mai tsauri (rarraba ƙarfin gaba 0.1V, rarraba tsawon haske 2nm). Mafi girman ruwan gaba da aka kimanta na 20mA ya ɗan fi na wasu masu fafatawa (sau da yawa 18mA), yana ba da damar fitarwa mai haske idan ya cancanta. Ƙimar ESD na 2kV (HBM) yana daidai da ƙa'idodi. Wani fa'ida na musamman shine jagorar bayyane akan dacewar kayan (sulfur, halogen) don hana lalacewar LED, wanda ba a yawan samarwa a takardun wasu.

10. Tambayoyin Fasaha na Yau da Kullum

Tambaya: Menene ruwan aiki da aka ba da shawara don tsawon rayuwa mafi girma?Amsa: Don aikace-aikace na gabaɗaya, aiki a 10mA yana ba da daidaito mai kyau tsakanin haske da tsawon rayuwa. Haɓaka zazzabi na ƙofar yana da ƙanƙanta, kuma LED na iya rayuwa sama da sa'o'i 50,000.

Tambaya: Zan iya tuka wannan LED kai tsaye daga pin na 3.3V logic?Amsa: Ee, amma kawai tare da resistor mai dacewa a jeri. Resistor 150Ω zai iyakance ruwan zuwa kusan 10mA (a tsammanin 1.8V VF). Yawancin pins na logic na iya samar da 20mA, amma duba takardar microcontroller.

Tambaya: Yaya zan tsaftace PCB bayan solder?Amsa: Yi amfani da isopropyl alcohol (IPA) kuma ka guji solvents masu ƙarfi waɗanda zasu iya lalata silicone. Ba a ba da shawarar tsaftacewa ta ultrasonic ba sai an gwada dacewa.

Tambaya: Menene matakin hankali na ESD?Amsa: Class 1C (2000V HBM). Ya kamata a yi amfani da kariyar ESD na yau da kullum (wuraren aiki masu ƙasa, jakunkuna masu hana wutar lantarki, da kayan hannu) yayin kulawa da haɗi.

11. Nazarin Misali na Tsari

Misali: Kayan sawa na motsa jiki tare da LEDs 4 matsayi

Bukatar tsari: LEDs jan huɗu (bugun zuciya, Bluetooth, aiki, faɗakarwa) dole ne a gani a cikin hasken rana kai tsaye amma kada su wuce jimlar iyakar ƙarfi na 200mW. Ta amfani da RF-RU0402TS-BC-B1 a rarraba haske C00 (18-28 mcd), kowane LED ana aiki a 8mA ta hanyar wutar 2.0V (boost converter). Ƙarfin gaba yana kusan 1.8V, don haka ana amfani da resistor 25Ω. Jimlar ƙarfi: 4 × 1.8V × 8mA = 57.6mW, cikin iyaka. Kusurwar kallo mai fadi 140° yana tabbatar da ganuwa a kusurwar agogo. An haɗa kariyar ESD akan flex PCB. Bayanan gwajin aminci na na'urar (gwajin rayuwa na sa'o'i 1000 a 5mA) ya ba da tabbaci ga garanti na shekara 2.

12. Ka'idar Aiki

Wannan LED yana amfani da chip na semiconductor AllnGaP (Aluminum Indium Gallium Phosphide) mai fitar da jan haske. Lokacin da aka yi amfani da siginar gaba, electrons da holes sun haɗu a yankin aiki, suna fitar da photons tare da makamashi daidai da bandgap (≈1.95 eV, 635nm). An ɗora chip a kan lead frame kuma an rufe shi da epoxy ko silicone don samar da kunshin na SMT. Ƙananan lens (flat top) yana taimakawa ga kusurwar fitowa mai fadi. Zafi yana tafiya ta cikin tashar baya zuwa PCB.

13. Hanyoyin Fasaha

Yayin da na'urorin IoT da kayan sawa ke ci gaba da raguwa, buƙatar ƙananan LEDs kamar 0402 zai girma. Hanyoyi sun haɗa da:

• Inganci mafi girma:Haɓakawa a tsarin chip zai haɓaka mcd/mA, yana ba da haske iri ɗaya a ƙananan ruwan don taimakawa baturi.
• Rarraba mafi tsauri:Abokan ciniki suna buƙatar rarraba launi da ƙarfi mai tsauri don tsararru masu daidaituwa. Rarraba 0.1V da 2nm da aka bayar anan sun riga sun yi gasa.
• Haɓaka aminci:Ci gaba da mai da hankali kan juriyar sulfur/halogen da gwajin rayuwa mai tsawo (10,000h+).
• Haɗuwa:Kunshin 0402 masu launuka da yawa (RGB) suna fitowa, amma jan kadai ya kasance babban aiki don nuna matsayi da aminci.

RF-RU0402TS-BC-B1 yana da kyau don saduwa da waɗannan hanyoyin tare da rarrabuwa cikakke, tsari mai ƙarfi, da jagorar amfani bayyane.