Hati ya Data ya Taa ya LED 594SYGD/S530-E2 - Kijani Njano Yenye Mng'aro - 20mA - 2.0V - Hati ya Kiufundi ya Kiswahili

1. Muhtasari wa Bidhaa

Hati hii inatoa maelezo ya kiufundi ya taa ya LED 594SYGD/S530-E2. Kijenzi hiki ni kifaa cha kusakinishwa kwenye uso kilichoundwa kutoa mwangaza mkubwa katika umbo dogo. Ni sehemu ya mfululizo ulioundwa mahsusi kwa matumizi yanayohitaji utoaji wa nuru bora.

1.1 Faida Kuu

LED hutoa faida kadhaa muhimu kwa ujumuishaji katika miundo ya elektroniki:

• Mwangaza Mkubwa:Mfululizo huu umeboreshwa kwa matumizi yanayohitaji viwango vya juu vya nguvu ya mwangaza.
• Uthabiti Imara:Imeundwa kuwa ya kuaminika na imara chini ya hali za kawaida za uendeshaji.
• Uzingatiaji:Bidhaa hii inazingatia viwango vya RoHS, EU REACH, na vya Bila Halojeni (Br <900 ppm, Cl <900 ppm, Br+Cl < 1500 ppm).
• Ubadilishaji wa Kifurushi:Inapatikana kwenye mkanda na reel kwa michakato ya usakinishaji wa kiotomatiki.
• Chaguo za Pembe ya Kutazama:Inapatikana kwa chaguo la pembe mbalimbali za kutazama ili kukidhi mahitaji tofauti ya matumizi.

1.2 Soko Lengwa na Matumizi

LED hii inafaa kwa anuwai ya elektroniki za watumiaji na za maonyesho ambapo taa ya kiashiria au taa ya nyuma inahitajika. Matumizi ya kawaida ni pamoja na:

• Runinga
• Viongozi vya Kompyuta
• Simu
• Vifaa vya Jumla vya Kompyuta

2. Uchunguzi wa Kina wa Vigezo vya Kiufundi

Sehemu zifuatazo zinaelezea kwa kina vigezo muhimu vya umeme, optiki, na joto vya LED.

2.1 Mwongozo wa Uchaguzi wa Kifaa

594SYGD/S530-E2 hutumia chip ya semikondukta ya AlGaInP (Aluminiumi Galiamu Indiamu Fosfidi) kutoa nuru yake ya Kijani Njano Yenye Mng'aro. Lensi ya hariri ya epoksi ni ya kijani na iliyotawanyika, ambayo husaidia katika kufikia usambazaji wa nuru mpana na sare zaidi.

2.2 Viwango vya Juu Kabisa

Viwango hivi vinafafanua mipaka ambayo uharibifu wa kudumu kwa kifaa unaweza kutokea. Uendeshaji chini ya hali hizi hauhakikishiwi.

2.3 Sifa za Umeme-na-Optiki

Sifa hizi hupimwa kwa joto la mazingira (T_a) la 25°C na zinafafanua utendaji wa kawaida wa kifaa.

Vidokezo vya Upimaji:Volti ya Mbele: ±0.1V; Nguvu ya Mwangaza: ±10%; Wavelength Kuu: ±1.0nm.

3. Uchambuzi wa Mkunjo wa Utendaji

Uwakilishi wa michoro hutoa ufahamu juu ya tabia ya kifaa chini ya hali tofauti.

3.1 Uwezo wa Jumla dhidi ya Wavelength

Mkunjo unaonyesha usambazaji wa nguvu ya wigo, ukifikia kilele karibu 575 nm (Kawaida), ambayo inafafanua rangi ya Kijani Njano Yenye Mng'aro. Upana wa mionzi ya wigo kwa kawaida ni 20 nm, ikionyesha utoaji wa rangi safi kiasi.

3.2 Muundo wa Mwelekeo

Muundo wa mionzi unaonyesha pembe ya kawaida ya kutazama ya digrii 180 (2θ_1/2), ikithibitisha utoaji wa nuru mpana, iliyotawanyika inayofaa kwa taa ya eneo au viashiria vya pembe pana.

3.3 Mkondo wa Mbele dhidi ya Volti ya Mbele (Mkunjo wa I-V)

Mkunjo huu unaonyesha uhusiano wa kielelezo kati ya mkondo na volti ya diode. Volti ya kawaida ya mbele (V_F) ni 2.0V kwa 20mA. Wabunifu lazima watumie kipingamkondo au kiendeshi cha mkondo wa mara kwa mara kulingana na sifa hii ili kuhakikisha uendeshaji thabiti.

3.4 Uwezo wa Jumla dhidi ya Mkondo wa Mbele

Nguvu ya mwangaza huongezeka kwa mkondo wa mbele lakini sio kwa mstari. Uendeshaji juu ya kiwango cha juu kabisa (25mA inayoendelea) hukatazwa, kwani inaweza kusababisha uharibifu wa haraka na kushindwa.

3.5 Utengamano wa Joto

Mikunjo miwili muhimu inaonyesha athari ya joto la mazingira:

• Uwezo wa Jumla dhidi ya Joto la Mazingira:Utoaji wa mwangaza kwa kawaida hupungua kadiri joto la mazingira linavyopanda. Usimamizi sahihi wa joto ni muhimu ili kudumisha mwangaza.
• Mkondo wa Mbele dhidi ya Joto la Mazingira:Kwa volti maalum, mkondo wa mbele unaweza kubadilika na joto, na kuathiri utoaji wa nuru. Kiendeshi cha mkondo wa mara kwa mara kinapendekezwa kwa utendaji thabiti katika anuwai ya joto.

4. Taarifa ya Mitambo na Kifurushi

4.1 Vipimo vya Kifurushi

LED ina kifurushi cha kawaida cha aina ya taa cha kusakinishwa kwenye uso. Vipimo muhimu vinajumuisha nafasi ya waya, ukubwa wa mwili, na urefu wa jumla. Urefu wa flange lazima uwe chini ya 1.5mm. Vipimo vyote viko kwenye milimita, na uvumilivu wa jumla wa ±0.25mm isipokuwa imebainishwa vinginevyo. Wabunifu wanapaswa kutaja mchoro wa kina wa vipimo katika hati ya data ya asili kwa muundo sahihi wa alama ya PCB.

4.2 Utambulisho wa Ubaguzi

Kathodi kwa kawaida huonyeshwa na upande wa gorofa kwenye lensi ya LED, mwanya kwenye mwili, au waya mfupi. Ubaguzi sahihi lazima uzingatiwe wakati wa usakinishaji ili kuzuia uharibifu wa upendeleo wa nyuma.

5. Miongozo ya Kuuza na Usakinishaji

Utunzaji sahihi ni muhimu ili kuhakikisha uaminifu na kuzuia uharibifu kwa LED.

5.1 Uundaji wa Waya

• Bend leads at a point at least 3mm from the base of the epoxy bulb.
• Perform lead formingbefore soldering.
• Avoid stressing the package during forming or cutting.
• Cut leads at room temperature.
• Ensure PCB holes align perfectly with LED leads to avoid mounting stress.

.2 Storage

• Store at ≤30°C and ≤70% RH. Shelf life is 3 months after shipment.
• For longer storage (up to 1 year), use a sealed container with nitrogen and desiccant.
• Avoid rapid temperature changes in humid environments to prevent condensation.

.3 Soldering Process

Maintain a minimum distance of 3mm from the solder joint to the epoxy bulb.

Critical Notes:

• Avoid stress on leads at high temperatures.
• Do not solder (dip or hand) more than once.
• Protect the LED from shock/vibration until it cools to room temperature.
• Avoid rapid cooling from peak temperature.
• Use the lowest possible soldering temperature.

.4 Cleaning

• If necessary, clean only with isopropyl alcohol at room temperature for ≤1 minute.
• Do not use ultrasonic cleaning unless pre-qualified, as it can cause internal damage.

.5 Heat Management

LED performance and lifetime are highly temperature-dependent.

• Consider heat dissipation during the PCB and system design phase.
• De-rate the operating current appropriately based on the application's ambient temperature. Refer to the de-rating curve (if provided in the full datasheet).
• Control the temperature around the LED in the final application.

.6 ESD (Electrostatic Discharge) Precautions

This LED is sensitive to electrostatic discharge. Standard ESD handling procedures must be followed during assembly and handling:

• Use grounded workstations and wrist straps.
• Store and transport in anti-static packaging.

. Packaging & Ordering Information

.1 Packing Specification

The LEDs are packed to ensure protection from moisture and electrostatic discharge:

1. Primary Packing:Anti-electrostatic bags.
2. Secondary Packing:Inner cartons, typically containing 4 bags.
3. Tertiary Packing:Outside cartons, typically containing 10 inner cartons.

Packing Quantity:Minimum 200 to 1000 pieces per bag. Standard packing is 4 bags per inner carton and 10 inner cartons per outside carton.

.2 Label Explanation

Labels on the packaging contain critical information for traceability and specification:

• CPN:Customer's Production Number
• P/N:Production Number (Part Number)
• QTY:Packing Quantity
• CAT:Ranks of Luminous Intensity (Brightness bin)
• HUE:Ranks of Dominant Wavelength (Color bin)
• REF:Ranks of Forward Voltage (Voltage bin)
• LOT No:Manufacturing Lot Number for traceability

. Application Suggestions & Design Considerations

.1 Typical Application Circuits

The most common drive method is using a series current-limiting resistor. The resistor value (R) can be calculated using Ohm's Law: R = (V_supply- V_F) / I_F. For a 5V supply and targeting I_F=20mA with a typical V_Fof 2.0V: R = (5V - 2.0V) / 0.020A = 150 Ω. A resistor with a power rating of at least (5V-2.0V)*0.020A = 0.06W should be selected. For better stability over temperature and voltage variations, a constant-current driver is recommended.

.2 Design Considerations

• Thermal Management:Ensure adequate PCB copper area or heatsinking if operating near maximum ratings or in high ambient temperatures.
• Optical Design:The wide 180-degree viewing angle makes it suitable for applications requiring broad illumination without secondary optics. For focused light, a lens may be needed.
• ESD Protection:Incorporate ESD protection diodes on sensitive signal lines if the LED is in a user-accessible area.
• Current Control:Never connect the LED directly to a voltage source without current limiting, as this will cause catastrophic failure.

. Technical Comparison & Differentiation

While specific competitor comparisons are not provided in the datasheet, the 594SYGD/S530-E2's key differentiators based on its specifications are:

• Material Technology:Use of AlGaInP chip technology, which is efficient for producing high-brightness yellow-green to red wavelengths.
• Viewing Angle:A very wide 180-degree typical viewing angle offers excellent off-axis visibility compared to narrower-angle LEDs.
• Compliance:Full compliance with modern environmental standards (RoHS, REACH, Halogen-Free) is a significant advantage for products targeting global markets, especially Europe.

. Frequently Asked Questions (FAQ)

Q1: What is the difference between Peak Wavelength (λp) and Dominant Wavelength (λd)?
A1: Peak Wavelength is the wavelength at which the emitted optical power is maximum. Dominant Wavelength is the single wavelength of monochromatic light that matches the perceived color of the LED. They are often close but not identical. For this LED, λp is 575 nm (Typ.) and λd is 573 nm (Typ.).

Q2: Can I drive this LED with a 3.3V supply?
A2: Yes. Using the formula with V_F=2.0V and I_F=20mA: R = (3.3V - 2.0V) / 0.020A = 65 Ω. Ensure the resistor power rating is sufficient (~0.026W).

Q3: Why is the storage condition (≤70% RH) important?
A3: Moisture can be absorbed by the epoxy package. During high-temperature soldering (reflow), this trapped moisture can vaporize rapidly, causing internal cracks or delamination ("popcorning"), leading to failure.

Q4: The datasheet shows a typical intensity of 8 mcd. Can I get brighter units?
A4: The luminous intensity is binned (CAT on the label). The typical value is a central point. You may receive parts from a higher bin (e.g., 10-12 mcd) or a lower bin (e.g., 4-6 mcd) depending on the ordered specification and manufacturing distribution. For consistent brightness, specify a tight binning requirement.

. Practical Use Case Example

Scenario: Designing a status indicator for a network router.

1. Requirement:A bright, easily visible "Link Active" indicator.
2. Selection:The Brilliant Yellow Green color is highly visible. The 180° viewing angle ensures visibility from various angles.
3. Circuit Design:The router's main board provides a 3.3V digital I/O line. A 68 Ω, 1/10W resistor is placed in series with the LED. The microcontroller GPIO pin sources the current (20mA), which is within the capability of many modern MCUs. If not, a simple transistor driver circuit would be added.
4. Layout:The LED is placed on the front panel PCB. No special thermal management is needed as it operates well within its ratings in this low-duty-cycle indicator application.
5. Result:A reliable, compliant, and clearly visible status indicator is implemented.

. Operating Principle Introduction

This LED operates on the principle of electroluminescence in a semiconductor p-n junction. The active region is made of AlGaInP. When a forward voltage is applied, electrons from the n-type region and holes from the p-type region are injected into the active region. When these charge carriers recombine, they release energy in the form of photons (light). The specific composition of the AlGaInP alloy determines the bandgap energy, which in turn dictates the wavelength (color) of the emitted light—in this case, Brilliant Yellow Green (~573-575 nm). The epoxy resin package serves to protect the semiconductor chip, act as a lens to shape the light output, and may contain phosphors or diffusers (in this case, it is diffused) to modify the color or viewing angle.

. Technology Trends

The LED industry continues to evolve. While this is a standard AlGaInP lamp, broader trends influencing such components include:

• Increased Efficiency:Ongoing material and epitaxial growth improvements lead to higher luminous efficacy (more light output per electrical watt), allowing for lower operating currents or higher brightness.
• Miniaturization:The drive for smaller end-products pushes for LEDs in ever-smaller packages while maintaining or improving optical performance.
• Enhanced Reliability:Improvements in packaging materials and die-attach technologies are extending LED lifetimes and robustness against thermal cycling and humidity.
• Smart Integration:While this is a discrete component, a trend exists towards integrating control circuitry, protection, and even multiple colors (RGB) into single, smarter LED packages.
• Stringent Compliance:Environmental regulations like RoHS and REACH are becoming more comprehensive, making full compliance a baseline requirement for market access.