SMD 3535 IR LED 740nm

Dongguan Zhiding Electronics Technology Co., Ltd. is one of the most reliable manufacturers and suppliers of smd 3535 ir led 740nm in China, also supports customized service. If you're going to wholesale advanced smd 3535 ir led 740nm made in China, welcome to get quotation from our factory. Also, 2 years warranty is available.

SMD 3535 IR 740nm Infrared LED | 1-3W High Power IR Emitter | Special Wavelength for Precision Applications

Infrared Emitter AlGaAs Chip Ceramic Package

Brand: ZHIDINGLED

Package: 1000pcs/reel

If you're shopping for a 740nm IR LED, chances are the usual 850nm stuff didn't work for your sensor. That's exactly why we built the AL-H35SCIRC-V2-P74. Built with an AlGaAs chip and ceramic substrate in a compact 3.50×3.50×2.10mm 3535 standard package. You can run it anywhere from 1W to 3W depending on your heatsink. We've pushed these hard in the lab, and the wavelength stays put.

About this 740nm IR LED
Honestly, 740nm isn't the most common wavelength we make, but it's one of the trickiest. Regular 850nm LEDs are easy, but hitting that specific 740nm mark for certain sensors requires tighter binning.
We built this SMD 3535​ version with a ceramic substrate​ because we kept seeing customers burn out plastic ones when driving them at 3W. The 120° beam angle is wide enough for most fill lights, but if you need a tighter spot, let us know-we can swap the lens.
We keep these in stock (usually 10K reels), but if you need a specific radiant power range, drop us an email with your application. We've been doing this for 10+ years, so we usually know if the 740nm will work for your setup or not.

 

Just a heads-up: these numbers come straight from our production test, not marketing.
If your design is sensitive to VF or wavelength, tell us before ordering-we can pre-bin for you.

What people actually use these for

Spectral analysis & optical sensing systems
Industrial machine vision and inspection equipment
Security surveillance fill light
Specialized horticultural lighting (targeted IR supplementation)
Medical and consumer electronics IR emitters

Packaging & Manufacturing Notes

Packaging: 1000 pcs per reel, moisture-resistant carrier tape.
Reflow Soldering: Supports lead-free process up to 260°C peak temperature, 20–40s within 5°C of peak.
Compliance: ROHS & REACH compliant, specifications subject to change without prior notice.

At ZHIDING, we focus on the parts that others overlook. While many suppliers push standard 850nm/940nm LEDs, we specialize in the special wavelength IR LEDs​ that keep production lines running.
Based in Dongguan, our team handles everything from die bonding to spectroradiometric binning. We don't just sell LEDs; we manage the tolerances. For this SMD 3535 740nm​ series, we strictly control the VF (Forward Voltage) distribution and wavelength deviation (±1nm) to ensure your SMT yield stays high.
Whether you need 1,000 pieces for a prototype or 100,000 for mass production, we provide the same level of technical support and consistent batch quality.

Frequently Asked Questions Before Ordering
We want to make sure you get the right 740nm IR LED. Please check the details below:
Q: Do you need samples for testing?
A: Yes, we provide paid samples. Please tell us your shipping account (DHL/FedEx).
Q: What is the MOQ for custom wavelengths?
A: For standard 740nm, MOQ is 1,000 pcs. For custom bins, MOQ is 10,000 pcs.
Q: Can you provide the Reflow Soldering Profile?
A: Yes, our 3535 IR LED supports standard lead-free soldering (260℃ peak).

Q: What if I'm not sure whether 740nm will work with my sensor?
A: Happens all the time. Send us your sensor model or datasheet, and we'll tell you straight-no pressure, no charge.

Still have questions? Contact us now: sales@zhidingled.com

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