Specifications
| Type | Description |
|---|---|
| Part Number | HIR26-21C_L423_CT |
| Manufacturer | EVERLIGHT |
| Product Type | SMD LED |
| Category | LED |
| Datasheet Part Number | HIR26-21C/L289/TR8 |
| Chip Material | GaAlAs |
| Lens Color | Water Clear |
| Peak Wavelength | 850 nm |
| Package Type | Miniature SMD package with spherical top-view lens |
| Package / Case | 1.6mm round subminiature SMD double-end package, water clear spherical top-view lens |
| Optical Matching | Spectrally matched with silicon photodiode and phototransistor |
| Continuous Forward Current | 65 mA, Ta=25°C |
| Peak Forward Current | 1.0 A, pulse width <=100 us, duty <=1%, Ta=25°C |
| Reverse Voltage | 5 V, Ta=25°C |
| Operating Temperature | -40 to +85 °C, absolute maximum rating |
| Storage Temperature | -40 to +100 °C, absolute maximum rating |
| Soldering Temperature | 260 °C, soldering time <=5 seconds |
| Power Dissipation | 130 mW, at or below 25°C free air temperature |
| Radiant Intensity | 10 mW/sr min, 17 mW/sr typ, IF=20 mA, Ta=25°C |
| Radiant Intensity | 85 mW/sr typ, IF=100 mA, pulse width <=100 us, duty <=1%, Ta=25°C |
| Peak Wavelength | 850 nm typ, IF=20 mA, Ta=25°C |
| Spectral Bandwidth | 30 nm typ, IF=20 mA, Ta=25°C |
| Forward Voltage | 1.20 V min, 1.40 V typ, 1.70 V max, IF=20 mA, Ta=25°C |
| Forward Voltage | 1.40 V min, 1.60 V typ, 2.20 V max, IF=100 mA, pulse width <=100 us, duty <=1%, Ta=25°C |
| Reverse Current | 10 uA max, VR=5 V, Ta=25°C |
| View Angle | 25 deg typ, IF=20 mA, Ta=25°C, 2θ1/2 |
| Tape Packaging | 12 mm tape on 7 inch diameter reel |
| Loaded Quantity | 1500 pcs/reel |
| Storage After Opening | 30°C or less and 60%RH or less |
| Floor Life After Opening | 168 hours / 7 days |
| Baking Treatment | 60±5°C for 24 hours |
| Reflow Limit | No more than two times |
| Hand Soldering Temperature | Less than 350°C for 3 seconds |
| Stencil Thickness Suggestion | 0.10 mm |
| Solder Paste Suggestion | Sn/Ag3.0/Cu0.5 |
| Datasheet Status | request_only |
Product Overview
The HIR26-21C_L423_CT is an EVERLIGHT infrared emitting diode in the LED category. The extracted manufacturer datasheet identifies the source device as HIR26-21C/L289/TR8 and describes a miniature SMD package with a spherical top-view lens. The package is a 1.6mm round subminiature double-end SMD format with a water clear lens, using GaAlAs chip material.
Electrical and optical characteristics include 850 nm typical peak wavelength, 30 nm typical spectral bandwidth, and 25 degree typical view angle at IF=20 mA and Ta=25°C. Radiant intensity is specified as 10 mW/sr minimum and 17 mW/sr typical at IF=20 mA, with 85 mW/sr typical at IF=100 mA under pulse width <=100 us and duty <=1%.
Assembly-related facts include 12 mm tape on 7 inch reel packaging, 1500 pcs/reel loading, a 260°C soldering temperature for <=5 seconds, and no more than two reflow cycles. The device is spectrally matched with silicon photodiodes and phototransistors, supporting infrared emitter use in paired optical sensing or detection circuits.
Key Features
- GaAlAs infrared emitting diode structure
- 850 nm peak wavelength output
- Water clear spherical top-view lens
- Miniature 1.6mm round subminiature SMD package
- Spectrally matched with silicon photodiodes and phototransistors
- 65 mA continuous forward current rating
- 1.0 A peak forward current under pulsed conditions
- 25 degree typical view angle at IF=20 mA
- 12 mm tape on 7 inch reel packaging
- 1500 pieces per reel loaded quantity
Typical Applications
- Silicon photodiode emitter pairing
- Phototransistor optical detection circuits
- Infrared sensing assemblies
- Top-view SMD optical modules
- Compact IR emitter boards
- Pulsed infrared transmission circuits
Procurement Notes
When requesting a quote for HIR26-21C_L423_CT, buyers should confirm the manufacturer, package or case, required quantity, target date code, compliance documents, packing method, destination country and expected delivery schedule.
If alternatives are acceptable, buyers should share the approved vendor list, required electrical or optical limits, package constraints and qualification requirements. Any alternative part should be reviewed by the buyer's engineering team before production use.
For LED and optoelectronic sourcing, brightness bin, wavelength or color temperature bin, forward voltage range, viewing angle, moisture sensitivity level and soldering process limits may affect final selection, availability and lead time.
FAQ
What type of component is HIR26-21C_L423_CT?
HIR26-21C_L423_CT is an EVERLIGHT infrared emitting diode in the LED category. The datasheet describes a miniature SMD package with a spherical top-view lens and GaAlAs chip material.
What wavelength does this infrared emitting diode use?
The extracted datasheet facts specify an 850 nm peak wavelength. At IF=20 mA and Ta=25°C, the peak wavelength is listed as 850 nm typical with 30 nm typical spectral bandwidth.
What are the main current and voltage ratings?
The continuous forward current rating is 65 mA at Ta=25°C. Peak forward current is 1.0 A for pulse width <=100 us and duty <=1%. Reverse voltage is specified as 5 V.
How is the part packaged for assembly?
The device is supplied on 12 mm tape with a 7 inch diameter reel. The carrier tape information lists a loaded quantity of 1500 pieces per reel.
Technical Review & Sourcing Note
Prepared by LDeepAI Component Sourcing Team. Reviewed for RFQ, documentation and alternative sourcing use. Last updated: July 30, 2026.
This page is based on manufacturer datasheet information and LDeepAI sourcing review. Specifications should be verified against the official manufacturer datasheet before final procurement or design approval. Final electrical, optical and reliability approval should be confirmed by the buyer's engineering team.