Fayil ɗin Bayani na White LED 1608 - 1.6x0.8x0.55mm - Ƙarfin Gaba 2.6-3.4V - Ƙarfin Wuta 68mW

1. Gabatarwar Samfurin

RF-GW1608DS-DD-B0 wani farar LED ne mai kyau wanda aka ƙera don amfani da alamu da kuma haskaka abubuwa gabaɗaya. Yana amfani da blue chip da yellow phosphor don samar da farar haske mai sanyi. An sanya shi a cikin ƙaramin akwati na 1608 surface-mount (1.6mm x 0.8mm x 0.55mm), wannan LED yana ba da haske mai kyau da kusurwar gani mai faɗi yayin da yake rage amfani da wuta. Babban fasaloli sun haɗa da kusurwar gani mai faɗi (140°), dacewa da tsarin haɗa SMT na yau da kullun, bin ka'idar RoHS, da kuma matakin hankali na danshi 3. LED ɗin yana da kyau don alamun gani, haskaka maɓalli da alamomi, nunin kayan gida, da sauran amfani da haske gabaɗaya. Tare da ƙarfin wuta na 20mA (max 60mA pulsed) da kuma hasarar wuta 68mW, yana ba da aiki mai aminci cikin yanayin zafi daga -40°C zuwa +85°C.

2. Binciken Siffofin Fasaha

2.1 Siffofin Lantarki / Optics (a Ts=25°C)

Ana gwada LED ɗin a wutar gwaji IF=5mA. Ƙarfin gaba (VF) an raba shi zuwa bins da yawa daga 2.6V zuwa 3.4V. Bins F1-F2 sun ƙunshi 2.6-2.8V, G1-G2 sun ƙunshi 2.8-3.0V, H1-H2 sun ƙunshi 3.0-3.2V, I1-I2 sun ƙunshi 3.2-3.4V. VF na yau da kullun yana kusan 2.7-3.1V dangane da bin. Ƙarfin haske (IV) a 5mA an raba shi zuwa I00 (230-350 mcd), J00 (350-530 mcd), K00 (530-800 mcd), da L10 (800-1000 mcd). Kusurwar gani (2θ1/2) yawanci 140°. Wutar baya (IR) kasa da 10 μA a VR=5V. Juriya na zafi daga haɗin gwiwa zuwa wurin siyarwa (RthJ-S) yawanci 450 K/W.

2.2 Matsakaicin Ƙarfin Wuta

A yanayin zafi 25°C, LED ɗin bai kamata ya wuce: Hasarar Wuta 68mW, Ƙarfin Gaba 20mA, Ƙarfin Gaba na Tsawan (1/10 duty, 0.1ms pulse) 60mA, Siginar Lantarki (HBM) 1000V. Yanayin zafi daga -40 zuwa +85°C, Yanayin zafi na adanawa -40 zuwa +85°C, Zafin haɗin gwiwa 95°C. Dole ne a kula don tabbatar da cewa zafin haɗin gwiwa bai wuce iyaka ba.

3. Bayanin Tsarin Bin

3.1 Bins na Ƙarfin Gaba da Haske (IF=5mA)

Ana amfani da zane na C.I.E. 1931 chromaticity don raba launi. Ana samun LED ɗin a cikin bins na chromaticity da yawa: GW10 zuwa GW18, kowanne an bayyana shi da daidaitawa huɗu (x,y). Matsayin launi na yau da kullun yana cikin yankin fari. Bins na haske an kira su I00 (<350mcd), J00 (350-530mcd), K00 (530-800mcd), L10 (800-1000mcd). Haƙura ga auna ƙarfin gaba ±0.1V, haƙura ga daidaitawar launi ±0.005, haƙura ga haske ±10%.

4. Binciken Gwajin Aiki

4.1 Ƙarfin Gaba da Ƙarfin Wuta

Fig. 1-7 yana nuna madaidaicin lantarki: ƙarfin gaba yana ƙaruwa a hankali tare da wutar; a 5mA VF yana kusan 2.7-2.9V, a 20mA ya tashi zuwa kimanin 3.0-3.2V.

4.2 Ƙarfin Wuta da Hasken Dangantaka

Fig. 1-8 yana nuna haske yana ƙaruwa kusan kai tsaye tare da ƙarfin gaba har 20mA, sannan ya fara cikawa. A 5mA haske yana kusan 0.35, a 20mA kusan 0.9.

4.3 Tasirin Zafin Jiki

Fig. 1-9 (Zafin Pin da Hasken Dangantaka) yana nuna haske yana raguwa tare da haɓaka zafin yanayi; kimanin saukin 10% a 85°C idan aka kwatanta da 25°C. Fig. 1-10 (Zafin Pin da Ƙarfin Gaba) yana nuna cewa dole ne a rage iyakar ƙarfin gaba yayin da zafin haɗin gwiwa ya tashi; a 100°C an rage iyakar wutar zuwa kimanin 15mA.

4.4 Rarraba Hasken Haske

Fig. 1-12 yana nuna haske da zane na tsawon raƙuman ruwa. LED ɗin yana fitar da haske mai shudi wanda ya kai kololuwa kusan 450-460nm da kuma haske mai rawaya daga phosphor wanda ya ƙunshi 500-650nm, yana haifar da farin haske tare da zafin launi (CCT) kusan 6000K-7000K (fari mai sanyi).

4.5 Tsarin Hasken Haske

Fig. 1-13 yana nuna tsarin haske. LED ɗin yana da yanayin fitarwa kamar Lambertian inda haske ya ragu zuwa 50% a kusan ±60° kuma kusa da sifili a ±90°. Kusurwar gani mai faɗi 140° yana tabbatar da kyakkyawan gani daga gefe.

5. Bayanin Injiniya da Tattarawa

5.1 Girman Akwatin

Akwatin LED ɗin yana auna 1.60 x 0.80 x 0.55 mm (L x W x H). Saman yana nuna girman 1.600mm x 0.800mm tare da wani wurin LED chip da aka ƙaura. Gefen tsayi 0.55mm. Ƙasa yana nuna pads na siyarwa biyu: pad 1 (anode) da pad 2 (cathode). An yi alamar polarity a ƙasa (Fig. 1-4).

5.2 Tsarin Siyarwa

Shawarar shimfidar pad na siyarwa (Fig. 1-5): pads rectangular biyu na 0.4mm x 0.8mm tare da tazarar 0.5mm; jimlar faɗin pad 1.2mm; girman tsarin duka 2.4mm x 0.8mm. Duk girman a mm, haƙura ±0.2mm sai dai idan an bayyana.

5.3 Gane Polarity

Ƙasar cathode (negative) ana nuna ta ta alamar kusurwa a ƙasa. A cikin tef ɗin, alamar polarity (cathode) tana gefen inda ake ciyarwa.

6. Jagororin Siyarwa da Haɗawa

6.1 Tsarin Siyarwa na Reflow

Tsarin reflow da aka ba da shawara (Fig. 3-1) ya bi IPC/JEDEC J-STD-020. Mahimman sigogi: Zafin farko: tashin zafi ≤3°C/s zuwa 150-200°C, jiƙa na 60-120 seconds. Reflow: tashin zafi ≤3°C/s zuwa 217°C (TL), lokaci sama da TL (tL) 60-150 seconds, mafi girman zafi (Tp) 260°C tare da lokacin zama ≤10 seconds. Saurin sanyaya ≤6°C/s. Jimlar lokaci daga 25°C zuwa mafi girman zafi ≤8 mintuna. Siyarwa na reflow bai kamata ya wuce sau biyu ba; idan fiye da sa'o'i 24 tsakanin siyarwa biyu, ana iya buƙatar gasa a cikin vacuum.

6.2 Siyarwa da Hannu

Idan anyi amfani da siyarwa da hannu, kiyaye zafin iron kasa da 300°C kuma lokacin taɓawa kasa da 3 seconds, kuma yi shi sau ɗaya kawai.

6.3 Gyara

Ba a ba da shawarar gyara bayan siyarwa ba. Idan babu makawa, yi amfani da iron na siyarwa mai kai biyu kuma tabbatar da daidaiton LED. Kada a yi matsin lamba na injiniya yayin sanyaya.

7. Bayanin Tattarawa da Oda

7.1 Ƙayyadaddun Tattarawa

Tattarawa daidai: 4000 guda a kowace reel. Girman tef ɗin: faɗi 8.0mm, tazarar 4.0mm, faɗin rami 1.55mm, zurfin 0.68mm. Girman reel: diamita na waje 178mm (A), cibiya 60mm (C), ramin spindle 13.0mm (D). An rufe shi a cikin jakar hana danshi tare da bushewa da katin nuna danshi.

7.2 Bayanin Label

Kowace label ɗin reel ta ƙunshi: Lambar Sashe, Lambar Spec, Lambar Lot, Lambar Bin (haske, chromaticity XY, ƙarfin gaba), Tsawon Raka'a, Adadi, Kwanan wata. Abokan ciniki ya kamata su nuna bins da ake buƙata yayin oda.

7.3 Yanayin Adanawa

Kafin bude jakar aluminum: adana a ≤30°C / ≤75% RH har zuwa shekara 1 daga ranar rufewa. Bayan bude: adana a ≤30°C / ≤60% RH har zuwa sa'o'i 168. Idan an wuce waɗannan sharuɗɗan ko katin nuna danshi ya nuna >60% RH, ana buƙatar gasa a (60±5)°C na ≥24 hours kafin amfani.

8. Shawarwarin Amfani

8.1 Zane na Circuit

Wutar kowane LED bai kamata ya wuce iyakar da aka ba da izini ba. An buƙaci resistor mai iyakance wuta don hana haɓakar zafi saboda ƙananan canje-canje na ƙarfin lantarki. Tabbatar cewa ba a taɓa amfani da ƙarfin baya yayin aiki ko canzawa don guje wa lalacewa.

8.2 Gudanar da Zafi

Zane na zafi yana da mahimmanci. Dole ne zafin haɗin gwiwa na LED ya kasance ƙasa da 95°C. Ya kamata a yi amfani da isasshen yanki na PCB na jan karfe da vias don watsa zafi. Rage wutar gaba idan zafin yanayi ya wuce 25°C bisa ga Fig. 1-10.

8.3 Dacewa da Muhalli

LEDs suna kula da sinadarin sulfur da halogen. Abubuwan da ke haɗuwa (misali, potting, adhesive, housing) ya kamata su ƙunshi ƙasa da 100ppm na sulfur duka. Kowane bromine da chlorine kasa da 900ppm, jimlar Br+Cl kasa da 1500ppm. Ka guje wa abubuwan da ke fitar da sinadarai masu canzawa (VOCs) waɗanda zasu iya canza launin silicone encapsulant.

8.4 Kariya daga Siginar Lantarki

Hankalin ESD: HBM 1000V. Yi amfani da ƙasa mai kyau da matakan hana ESD yayin mu'amala, haɗawa, da gwaji. Idan kariyar ESD ba ta isa ba, yi la'akari da ƙara Zener diodes a layi daya.

9. Takaitaccen Gwajin Dogaro

LED ɗin ya wuce gwaje-gwajen daidaito na yau da kullun bisa ga JEDEC: Zagayen Zafin Jiki (-40°C zuwa 100°C, zagayen 100), Girgizar Zafi (-40°C zuwa 100°C, canje-canjen 15min, zagayen 300), Ajiye Zafi Mai Girma (100°C, 1000h), Ajiye Zafi Mai Ƙananan (-40°C, 1000h), da Gwajin Rayuwa (25°C, 5mA, 1000h). Matsayin karɓa: canjin ƙarfin gaba ≤10% na USL, wutar baya ≤2x USL, haske ≥70% na LSL.

10. Tambayoyi da Aka Yi Yawanci

Q: Menene wutar aiki da aka ba da shawara don mafi kyawun aiki?
A: Duk da cewa an gwada a 5mA, LED ɗin na iya aiki har 20mA a ci gaba. Aiki yana kai kololuwa a kusa da 5-10mA; don ƙarin haske yi amfani da 20mA tare da rage zafi. Yi amfani da resistor don saita wutar.

Q: Ana iya amfani da wannan LED ɗin a waje?
A: LED ɗin kansa an ƙididdige shi don -40 zuwa +85°C, amma akwatin ba a rufe shi don hana danshi ba. Don amfani a waje, ana ba da shawarar shafa rufin ko rufewa.

Q: Menene zafin launi na yau da kullun?
A: Bins na chromaticity (GW10-GW18) sun dace da fari mai sanyi tare da zafin launi kusan 6000-7000K. Don fari mai dumi, akwai wasu lambobin sassa.

Q: Yaya ake fassara lambar bin?
A: Lambar bin ta ƙunshi bin na haske (misali, J00), bin na chromaticity (misali, GW14), da bin na ƙarfin gaba (misali, G2). Koyaushe ka daidaita bins da ake buƙata don daidaiton launi da haske.