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Dialight 5595701801 LED Panel Indicator Yellow - Equivalent & Substitute Parts
Part Overview
The Dialight 5595701801 is a snap-in LED panel indicator featuring a yellow light output at 583nm wavelength. This component is designed for panel-mount applications with a 0.25" (6.35mm) round cutout and wire wrap termination. The part is currently classified as obsolete, making identification of suitable substitutes essential for ongoing system support and component procurement.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Manufacturer | Dialight |
| Series | 559 |
| Lamp Color | Yellow |
| Wavelength - Peak | 583nm |
| Forward Voltage (Vf) | 2.1V |
| Maximum Current (If) | 20mA |
| Millicandela Rating | 140mcd |
| Viewing Angle | 24° |
| Panel Cutout Shape | Round |
| Panel Cutout Dimensions | 0.25" (6.35mm) |
| Lens Size | 5mm, T-1 3/4 |
| Lens Style | Round with Domed Top |
| Lens Color | Colorless |
| Lens Transparency | Clear |
| Termination Style | Wire Wrap |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) |
Substitute Part Grouping Explanation
Substitution of the Dialight 5595701801 is based on strict equivalence across the following critical parameters:
- Lamp color and wavelength (Yellow, 583nm)
- Electrical ratings (2.1V forward voltage, 20mA maximum current)
- Optical characteristics (140mcd brightness, 24° viewing angle)
- Mechanical form factor (5mm T-1 3/4 lens, round domed top, colorless clear lens)
- Panel mounting interface (0.25" round cutout)
The substitute part 5595701801F maintains full compatibility across all these parameters while offering improved product status and compliance certification.
Parameter Comparison
| Parameter | 5595701801 (Main Part) | 5595701801F (Substitute) |
|---|---|---|
| Manufacturer | Dialight | Dialight |
| Series | 559 | 559 |
| Product Status | Obsolete | Active |
| Lamp Color | Yellow | Yellow |
| Wavelength - Peak | 583nm | 583nm |
| Forward Voltage (Vf) | 2.1V | 2.1V |
| Maximum Current (If) | 20mA | 20mA |
| Millicandela Rating | 140mcd | 140mcd |
| Viewing Angle | 24° | 24° |
| Panel Cutout Shape | Round | Round |
| Panel Cutout Dimensions | 0.25" (6.35mm) | 0.25" (6.35mm) |
| Lens Size | 5mm, T-1 3/4 | 5mm, T-1 3/4 |
| Lens Style | Round with Domed Top | Round with Domed Top |
| Lens Color | Colorless | Colorless |
| Lens Transparency | Clear | Clear |
| RoHS Status | RoHS non-compliant | ROHS3 Compliant |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) | 1 (Unlimited) |
| REACH Status | REACH Unaffected | REACH Unaffected |
| ECCN | EAR99 | EAR99 |
| HTSUS | 8541.41.0000 | 8541.41.0000 |
Engineering Selection Recommendations
The Dialight 5595701801F is the direct substitute for the obsolete 5595701801. Both components share identical electrical and optical specifications, ensuring functional equivalence in panel-mount LED indicator applications.
The primary distinction is product status and regulatory compliance. The 5595701801F is an active product with ROHS3 compliance certification, whereas the original part is obsolete and RoHS non-compliant. For new designs or system refreshes, the 5595701801F is the appropriate selection. For legacy system maintenance where the original part remains available, either component meets the electrical and mechanical requirements.
Both parts maintain REACH Unaffected status and EAR99 export classification, with identical moisture sensitivity ratings and tariff codes.
Frequently Asked Questions (FAQ)
Q: Can the 5595701801F directly replace the 5595701801 in existing assemblies?
A: Yes. The 5595701801F maintains identical electrical ratings (2.1V, 20mA), optical output (140mcd at 583nm), viewing angle (24°), and mechanical form factor (5mm T-1 3/4 lens, 0.25" round panel cutout). No circuit modifications or panel redesign are required.
Q: What is the difference between these two parts?
A: The 5595701801F is the active production variant with ROHS3 compliance. The 5595701801 is obsolete and RoHS non-compliant. Functionally and mechanically, they are equivalent.
Q: Are there termination differences between these parts?
A: The 5595701801 specifies wire wrap termination. The 5595701801F termination style is not specified in the available data. Verify termination compatibility with your assembly process before procurement.
Q: What packaging is available for the 5595701801F?
A: The 5595701801F is supplied in bulk packaging, whereas the original part packaging is not specified.
Q: Are both parts suitable for RoHS-regulated applications?
A: Only the 5595701801F carries ROHS3 compliance certification. The 5595701801 is RoHS non-compliant and is not suitable for applications subject to RoHS directives.
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