SWIR LED

SWIR LEDs 1,040–1,650nm · extended 1,720/1,900nm models

Name: DOWA SWIR LED (1040–1650nm; extended 1720/1900nm)
Brand: DOWA Electronics

The standard DOWA InGaAs SWIR LED range shown here covers 1,040–1,650nm, while the small bare-die table also includes 1,720nm and 1,900nm extended models. Bare-die and package options can be reviewed for machine vision, moisture and food analysis, and healthcare sensing.

WAVELENGTH SCOPE

Visible

SWIR

MWIR

200nm1000nm3000nm5000nm+

Documentation and samples

Send the model, target wavelength, package and quantity so we can confirm document access and sample availability.

Send SWIR requirements DOWA IR/SWIR site

SELECTION POINTS

Selection points

DOWA comparison data

For the 1,300nm SMD product, DOWA reports a radiant-output improvement against its reference bare die under stated comparison conditions. Confirm application conditions in the datasheet.

Production range

Available quantity and lead time are confirmed by wavelength and package model.

Package selection

Bare die, SMD and die-array formats can be matched to the optical system and assembly process.

Standard and extended ranges

Choose from standard 1,040–1,650nm models and the separately identified 1,720/1,900nm extended models.

STANDARD AND EXTENDED BARE DIE

Small bare die (350×350 μm)

The standard range is 1,040–1,650nm; 1,720/1,900nm are extended models. Electrical and optical values below retain the published model table.

Small bare die — 350μm × 350μm

Model	Peak λ	Po @20mA	Vf	Chip size	Application
SECSR	1,040 nm	11.0 mW	1.3 V	350×350 μm	Glucose · Alcohol · Water
SSCSR	1,060 nm	10.4 mW	1.2 V	350×350 μm	Healthcare sensing
SRCSR	1,080 nm	9.8 mW	1.2 V	350×350 μm	Healthcare sensing
SUCSR	1,100 nm	10.4 mW	1.2 V	350×350 μm	General SWIR
SVCSR	1,140 nm	8.0 mW	1.2 V	350×350 μm	Reference channel
E2RF2S	1,200 nm	5.2 mW	1.0 V	350×350 μm	Methane · CH₄ band
E3RF2S	1,300 nm	5.8 mW	1.0 V	350×350 μm	Si-transparent · wafer inspection
E3HF2S	1,350 nm	5.2 mW	0.9 V	350×350 μm	Glucose · alcohol
E4RF2S	1,460 nm	4.5 mW	0.9 V	350×350 μm	Water absorption peak
E5RF2S	1,550 nm	3.7 mW	0.9 V	350×350 μm	Lipid · CO₂ short band
E6RF2S	1,650 nm	2.8 mW	0.8 V	350×350 μm	CO · lipid
E7RF2S	1,720 nm	2.5 mW	0.8 V	350×350 μm	Extended SWIR
E9RF2S	1,900 nm	2.1 mW	0.8 V	350×350 μm	Extended SWIR

HIGH-POWER BARE DIE

Large bare die (1080×1080 μm)

Compare models using the stated 1.5A condition and model-specific output values.

Large bare die — 1080μm × 1080μm @ 1.5A

Model	Peak λ	Po @1.5A	Vf	Chip size	Application
SE09S	1,040 nm	575 mW	1.5 V	1080×1080 μm	High-power illumination
SS09S	1,060 nm	557 mW	1.5 V	1080×1080 μm	High-power illumination
SU09S	1,100 nm	543 mW	1.5 V	1080×1080 μm	Industrial inspection
E3RXBR	1,300 nm	230 mW	1.3 V	1080×1080 μm	Wafer inspection (high-power)
E4RXBR	1,460 nm	162 mW	1.3 V	1080×1080 μm	Moisture imaging
E5RXBR	1,550 nm	140 mW	1.3 V	1080×1080 μm	High-power lipid sensing
E6RXBR	1,650 nm	86 mW	1.2 V	1080×1080 μm	High-power CO/lipid

* SMD, array and custom-bonding availability is confirmed by model and quantity.

APPLICATIONS

Applications

Non-invasive healthcare sensing
Alcohol sensors
Gas sensors
Semiconductor wafer inspection
Food and agriculture QC
Anti-counterfeiting
Biometric authentication
Machine vision

WAVELENGTH SELECTION

SWIR wavelength review by application

Candidate wavelengths depend on absorption characteristics and detector configuration. Use this as an initial guide and confirm the final model against system conditions and datasheets.

Application	Candidate wavelength	Review notes
Healthcare sensing	1,040 – 1,100 nm	Both small and large die models are listed; evaluate illuminated area and drive conditions together.
Semiconductor wafer inspection	1,300 nm	A candidate wavelength for silicon transmission inspection; small E3RF2S and large E3RXBR models are listed.
Moisture measurement · food QC	1,460 nm	A candidate for water-absorption measurements; verify detector sensitivity and optical path.
Lipid analysis	1,550 nm	A candidate wavelength for lipid-related measurements; validate against the actual sample spectrum.
Extended SWIR	1,720 / 1,900 nm	E7RF2S and E9RF2S extended models, identified separately from the 1,040–1,650nm standard range.