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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4mm UVA LEDs

Name: 4mm UVA LEDs
Brand: QUEENDOM

Technical Specifications

4mm UVA LEDs

Package Type: Through-Hole (DIP)
Package Size: 4.0 mm diameter × 7.3 mm height
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 – 4.0 V
Operating Current: 20 mA (continuous)
Radiant Intensity (Typical @ T_j = 25°C):
- @ 20 mA: 40–190 mW/sr
Viewing Angle: 25°
Operating Temperature: −40°C to +85°C
Storage Temperature: −40°C to +100°C
Absolute Maximum Ratings:
- Reverse Voltage (V_R): 5 V
- Junction Temperature (T_j): +125°C
Encapsulation: High-transmission UV-grade epoxy
Compliance: RoHS 3, REACH, IEC/EN 62471 (Photobiological Safety – Risk Group 1)

Category: UV LED Tag: Through-Hole UV Diode

Description

4mm UVA LEDs

Overview

The 4mm Through-Hole UVA LED is a round DIP (Dual In-line Package) ultraviolet light source with a 4 mm diameter lens.
Emitting in the 365–405 nm range, it delivers high radiant intensity for fluorescence excitation, curing, and inspection.
Not intended for germicidal, medical, or UVB applications.

Available Models & Part Numbers

4mm UVA LEDs & Part Numbers

Table 1: Radiometric Performance of Queendom 4mm UVA LEDs at T_j = 25°C

Model	Rank Code	Color Type	Wavelength (nm)		Radiant Intensity (mW/sr）		Forward Voltage VF (V)		Viewing Angle	TEST CURRENT	Lead Length	Part Number
Device Model	Rank	Typica λ (nm)	Min	Max	Min	Max	Min	Max	(2θ½, °)	(mA)	(mm)	P/N
B4VG302C	UVTH021	405	400	410	90	190	2.80	4.00	25	20	18/16	8541401000UVTH021
B4VF302C	UVTH022	395	390	400	40	120	2.80	4.00	25	20	18/16	8541401000UVTH022
B4VE302C	UVTH023	385	380	390	40	80	2.80	4.00	25	20	18/16	8541401000UVTH023
B4VD302C	UVTH024	375	370	380	40	80	2.80	4.00	25	20	18/16	8541401000UVTH024
B4VC302C	UVTH025	365	360	380	40	80	2.80	4.00	25	20	18/16	8541401000UVTH025
B4VG304C	UVTH026	405	400	410	90	190	2.80	4.00	25	20	28/26	8541401000UVTH026
B4VF304C	UVTH027	395	390	400	40	120	2.80	4.00	25	20	28/26	8541401000UVTH027
B4VE304C	UVTH028	385	380	390	40	80	2.80	4.00	25	20	28/26	8541401000UVTH028
B4VD304C	UVTH029	375	370	380	40	80	2.80	4.00	25	20	28/26	8541401000UVTH029
B4VC304C	UVTH030	365	360	370	40	80	2.80	4.00	25	20	28/26	8541401000UVTH030

⚠️ SAFETY WARNING:
These LEDs emit UVA radiation only (365–405 nm).
They are not germicidal and must not be used for disinfection, sterilization, or medical phototherapy.
Avoid direct eye exposure. Use UV-blocking safety glasses.

Applications

Fluorescence detection (forensics, leak tracing, mineral identification)
Counterfeit currency and document verification
Low-power UV curing (adhesives, inks, coatings)
Educational and scientific demonstration kits
Special effects lighting and blacklight applications

NOT FOR USE IN

Air, water, or surface disinfection
Medical UVB phototherapy (e.g., psoriasis treatment)
Sterilization of medical devices
Any application requiring germicidal efficacy

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