Specifications
| Type | Description |
|---|---|
| Part Number | EL_IR91-21C-TR7 |
| Manufacturer | EVERLIGHT |
| Product Type | SMD LED |
| Category | LED |
| Package / Case | 1.9 mm round subminiature Z-bend lead miniature SMD package; water clear plastic spherical top-view lens |
| Datasheet Part Number | IR91-21C/TR10; shown throughout datasheet; requested part number is EL_IR91-21C-TR7 |
| Chip Material | GaAlAs |
| Lens Color | Water Clear |
| Package Type | Miniature SMD package; molded in water clear plastic with spherical top view lens |
| Package Description | 1.9 mm round subminiature Z-bend lead |
| Spectral Matching | Matched to silicon photodiode and phototransistor |
| Continuous Forward Current | 65 mA; absolute maximum rating at Ta=25°C |
| Reverse Voltage | 5 V; absolute maximum rating at Ta=25°C |
| Operating Temperature | -25 to +85 °C; absolute maximum rating |
| Storage Temperature | -40 to +85 °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 | Min 3.0 mW/sr, Typ 5.0 mW/sr; Ta=25°C |
| Peak Wavelength | Typ 940 nm; Ta=25°C |
| Spectral Bandwidth | Typ 50 nm; IF=20 mA, Ta=25°C |
| Forward Voltage | Typ 1.2 V, Max 1.5 V; Ta=25°C |
| View Angle | Typ 25 deg; 2θ1/2, Ta=25°C |
| Reverse Current | Max 10 μA; VR=5 V, Ta=25°C |
| Rise Time | Typ 507 ns; IF=100 mA, Ta=25°C |
| Fall Time | Typ 517 ns; IF=100 mA, Ta=25°C |
| Moisture Storage Before Opening | 10°C to 30°C and <=90% RH before opening moisture proof bag |
| Floor Life After Opening | 168 hours; store at 10°C to 30°C and <=60% RH after opening package |
| Recommended Baking Condition | 96 hours at 60°C ±5°C and <5% RH if baking is required |
| Reflow Soldering Limit | Not more than two times |
| Soldering Iron Condition | Less than 350°C for 3 seconds, once per terminal, iron capacity less than 25 W |
| Carrier Tape Quantity | 1000 pcs/reel |
| Datasheet Status | request_only |
Product Overview
EL_IR91-21C-TR7 is an EVERLIGHT infrared emitting diode listed under the LED category. The manufacturer datasheet reference shown throughout the extracted data is IR91-21C/TR10, while the requested ordering part is EL_IR91-21C-TR7. The device uses a GaAlAs chip and a water clear lens.
The package is described as a 1.9 mm round subminiature Z-bend lead miniature SMD package, molded in water clear plastic with a spherical top-view lens. Its optical output is specified with 3.0 mW/sr minimum and 5.0 mW/sr typical radiant intensity at Ta=25°C, a typical 940 nm peak wavelength, and a typical 25° viewing angle.
Electrical and environmental limits include 65 mA continuous forward current, 5 V reverse voltage, 130 mW power dissipation at or below 25°C free air temperature, and -25 to +85°C operating temperature. Assembly handling includes a 260°C soldering temperature limit for up to 5 seconds, floor life of 168 hours after opening, and a reflow limit of not more than two times.
Key Features
- GaAlAs infrared emitting diode construction
- Water clear spherical top-view lens
- 1.9 mm round subminiature Z-bend lead package
- Miniature SMD package format
- Matched to silicon photodiode and phototransistor receivers
- Typical 940 nm peak wavelength
- Typical 50 nm spectral bandwidth at IF=20 mA
- 65 mA continuous forward current rating
- Typical 25 degree viewing angle
- 1000 pieces per carrier tape reel
Typical Applications
- Silicon photodiode emitter pairing
- Phototransistor receiver pairing
- 940 nm infrared sensing
- Compact SMD infrared emitter layouts
- Top-view infrared optical paths
- Carrier-tape assembly workflows
Procurement Notes
When requesting a quote for EL_IR91-21C-TR7, 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 EL_IR91-21C-TR7?
EL_IR91-21C-TR7 is an EVERLIGHT infrared emitting diode in the LED category. The extracted datasheet facts describe a GaAlAs chip, water clear lens, and miniature SMD package.
What package is specified for this infrared diode?
The package is described as a 1.9 mm round subminiature Z-bend lead miniature SMD package. It is molded in water clear plastic with a spherical top-view lens.
What are the main optical specifications?
At Ta=25°C, the device has 3.0 mW/sr minimum and 5.0 mW/sr typical radiant intensity. The peak wavelength is typically 940 nm, spectral bandwidth is typically 50 nm at IF=20 mA, and view angle is typically 25 degrees.
What assembly handling limits are listed?
The soldering temperature is 260°C for up to 5 seconds. Manual soldering is less than 350°C for 3 seconds once per terminal with iron capacity below 25 W, and reflow soldering is limited to not more than two times.
Technical Review & Sourcing Note
Prepared by LDeepAI Component Sourcing Team. Reviewed for RFQ, documentation and alternative sourcing use. Last updated: June 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.