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Dialight 5595201807F LED Panel Indicator - Equivalent & Substitute Parts
Part Overview
The Dialight 5595201807F is an active production LED panel indicator featuring a green diffused lens with wire lead termination. This component is designed for snap-in panel mounting applications requiring a 0.25" (6.35mm) round cutout. The part is ROHS3 compliant and maintains unlimited moisture sensitivity rating (MSL 1), making it suitable for standard industrial and commercial applications.
Substitute parts are identified when equivalent electrical performance and mechanical compatibility can be maintained across the Dialight 559 series, allowing for design flexibility based on termination style preferences and current rating variations.
Substiute Parts
Key Parameters
| Parameter | Specification |
|---|---|
| Manufacturer | Dialight |
| Series | 559 |
| Lamp Color | Green |
| Lens Transparency | Diffused |
| Voltage (Vf Typ) | 2.2V |
| Current (If Max) | 25mA (main part); 20mA (parametric equivalent) |
| Panel Cutout Shape | Round |
| Panel Cutout Dimensions | 0.25" (6.35mm) |
| Lens Size | 5mm, T-1 3/4 |
| Lens Style | Round with Domed Top |
| Millicandela Rating | 34mcd |
| Wavelength - Peak | 563nm |
| Viewing Angle | 50° |
| RoHS Status | ROHS3 Compliant |
| MSL Rating | 1 (Unlimited) |
Substitute Part Grouping Explanation
Substitution within the Dialight 559 series is determined by the following critical parameters:
Electrical Compatibility: All substitute parts maintain identical voltage (2.2V) and wavelength (563nm) specifications. Current rating variation (25mA vs. 20mA) is permitted when the application circuit can accommodate the lower maximum current draw.
Mechanical Compatibility: Panel cutout shape, dimensions (0.25" / 6.35mm round), lens size (5mm T-1 3/4), and lens style (round with domed top) are identical across all listed parts, ensuring direct mechanical interchangeability in panel mounting applications.
Termination Style: The primary distinction between substitute parts is the connection method—wire leads (14" / 355.60mm) versus PC pin termination. Selection depends on the circuit board design and assembly requirements.
Optical Performance: All parts deliver identical luminous intensity (34mcd), color (green diffused), and viewing angle (50°), maintaining consistent visual performance.
Parameter Comparison
| Parameter | 5595201807F (Main) | 5595201001F (Similar) | 5595201027F (Parametric Equivalent) |
|---|---|---|---|
| Manufacturer | Dialight | Dialight | Dialight |
| Series | 559 | 559 | 559 |
| Lamp Color | Green | Green | Green |
| Lens Transparency | Diffused | Diffused | Diffused |
| Voltage (Vf Typ) | 2.2V | 2.2V | 2.2V |
| Current (If Max) | 25mA | 25mA | 20mA |
| Panel Cutout Dimensions | 0.25" (6.35mm) | 0.25" (6.35mm) | 0.25" (6.35mm) |
| Lens Size | 5mm, T-1 3/4 | 5mm, T-1 3/4 | 5mm, T-1 3/4 |
| Millicandela Rating | 34mcd | 34mcd | 34mcd |
| Wavelength - Peak | 563nm | 563nm | 563nm |
| Viewing Angle | 50° | 50° | 50° |
| Termination Style | Wire Leads - 14" (355.60mm) | PC Pin | Wire Leads - 14" (355.60mm) |
| Product Status | Active | Active | Active |
| RoHS Status | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant |
| MSL Rating | 1 (Unlimited) | 1 (Unlimited) | 1 (Unlimited) |
| REACH Status | REACH Unaffected | REACH Unaffected | REACH Unaffected |
Engineering Selection Recommendations
5595201807F (Wire Leads): Primary selection for applications requiring wire lead termination with 25mA maximum current rating. All parts maintain active production status with full ROHS3 and REACH compliance.
5595201001F (PC Pin Alternative): Direct electrical equivalent with identical voltage and current specifications. Selection is appropriate when circuit board design incorporates PC pin receptacles instead of wire lead connections. Maintains equivalent optical and mechanical performance.
5595201027F (Lower Current Rating): Parametric equivalent suitable for applications where maximum current draw is limited to 20mA. Electrical voltage and optical characteristics remain identical. Wire lead termination matches the main part. Selection is valid when circuit design operates within the 20mA current envelope.
All three parts are active production components with identical compliance certifications, ensuring long-term availability and regulatory consistency.
Frequently Asked Questions (FAQ)
Q: Can 5595201001F replace 5595201807F in an existing design?
A: Electrical and optical performance are identical. Substitution is valid only if the circuit board design accommodates PC pin termination instead of wire leads. Panel mounting dimensions and lens specifications are unchanged.
Q: What is the difference between 5595201807F and 5595201027F?
A: The primary difference is maximum current rating: 25mA versus 20mA. Both parts use wire lead termination and deliver identical voltage (2.2V), luminous intensity (34mcd), and wavelength (563nm). Selection of 5595201027F is appropriate when circuit design operates within the 20mA current specification.
Q: Are all three parts mechanically interchangeable in panel mounting?
A: Yes. All parts feature identical panel cutout dimensions (0.25" / 6.35mm round), lens size (5mm T-1 3/4), and lens style (round with domed top). Mechanical interchangeability is confirmed. Termination style (wire leads vs. PC pin) affects circuit board connection method only.
Q: Do all substitute parts maintain the same compliance certifications?
A: Yes. All listed parts are ROHS3 compliant, REACH unaffected, and carry MSL 1 (unlimited) moisture sensitivity rating. Regulatory and environmental compliance is consistent across the substitution group.
Q: What determines whether a part qualifies as a substitute?
A: Substitution is based on matching electrical specifications (voltage, current, wavelength), optical performance (luminous intensity, color, viewing angle), and mechanical compatibility (panel cutout dimensions, lens size, lens style). Termination style variation is permitted based on circuit board design requirements.
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