What is the typical lifespan of this product?

The product is designed for long-term industrial use, with a typical lifespan of over 50,000 hours.

Do you support OEM or custom specifications?

Yes, we support OEM, ODM, and custom technical specifications based on project requirements.

What certifications are available?

Certifications vary by model and may include CE, RoHS, LM-80, and ISO-compliant manufacturing.

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3528 UVA LEDs

Name: 3528 UVA LEDs
Brand: QUEENDOM

Technical Specifications

3528 UV LEDs (UVA Series)

Package Type: Surface-mount (SMD)
Package Size: 3.5 mm × 2.8 mm
Chip Material: InGaN on sapphire substrate
Available Wavelengths:
- UVA: 365 nm, 375 nm, 385 nm, 395 nm, 405 nm
Forward Voltage (V_F): 2.8 V – 4.5 V
Operating Current: 40 mA, 150 mA (continuous)
Optical Power Output (Typical @ T_j = 25°C):
- @ 40 mA: 15–40 mW
- @ 150 mA: 80–300 mW
Viewing Angle: 120°
Operating Temperature: −40°C to +85°C
Storage Temperature: −40°C to +100°C

Reverse Voltage (V_R): 5 V
Junction Temperature (T_j): +125°C

Compliance: RoHS 3, REACH, IEC/EN 62471 (Photobiological Safety – Risk Group 1 or RG2)
Encapsulation: High-transmission silicone (epoxy-free)
Thermal Resistance (R_th j-sp): ≤ 15 K/W.

Category: UV LED

Description

3528 UV LEDs

Overview

UV Spectrum Classification：UVA (365–410 nm): Long-wave ultraviolet. Invisible to the human eye. Used in UV curing, fluorescence inspection, counterfeit detection, and adhesive bonding. Not germicidal.

Available Wavelengths： 3528 UVA Series: 365 nm, 375 nm, 385 nm, 395 nm, 405 nm

Available Models & Part Numbers

Table : Radiometric Performance of Queendom 3528 UV LEDs at T_j = 25°C

Model	Rank Code	Color Type	Wavelength (nm)		Radiant Flux (mW)		Forward Voltage VF (V)		Viewing Angle	Test Current	Part Number
Device Model	Rank	Typical λ (nm)	Min	Max	Min	Max	Min	Max	(2θ½, °)	(mA)	P/N
S3528VE2WB	UVSL0801	405	400	410	20	40	2.80	4.50	120	40	8541401000UVSL0801
S3528VF2WB	UVSL0802	395	390	400	20	40	2.80	4.50	120	40	8541401000UVSL0802
S3528VE2WB	UVSL0803	385	380	390	15	40	2.80	4.50	120	40	8541401000UVSL0803
S3528VD2WB	UVSL0804	375	370	380	15	40	2.80	4.50	120	40	8541401000UVSL0804
S3528VC2WB	UVSL0805	365	360	380	15	40	2.80	4.50	120	40	8541401000UVSL0805
S3528VG2WC	UVSL0806	405	400	410	90	300	2.80	4.50	120	150	8541401000UVSL0806
S3528VF2WC	UVSL0807	395	390	400	90	190	2.80	4.50	120	150	8541401000UVSL0807
S3528E2WC	UVSL0808	385	380	390	90	190	2.80	4.50	120	150	8541401000UVSL0808
S3528VD2WC	UVSL0809	375	370	380	80	120	2.80	4.50	120	150	8541401000UVSL0809
S3528VC2WC	UVSL0810	365	360	370	80	120	2.80	4.50	120	150	8541401000UVSL0810

Applications

UV curing of inks, coatings, adhesives, and resins
Fluorescence inspection (leak detection, forensics, mineralogy)
Counterfeit currency and document verification
Nail gel curing
Phototherapy (with medical supervision)

⚠️ SAFETY WARNING:
UVA radiation is invisible and may cause skin aging and eye discomfort with prolonged exposure.
Avoid direct eye exposure. Use protective eyewear rated for UV-A (e.g., polycarbonate lenses).
Complies with IEC 62471 Risk Group 1 (Exempt) or RG2 under normal use.