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DB5306X LED Blue Clear 5MM Round Through-Hole Equivalent & Substitute Parts
Part Overview
The DB5306X is a blue 470nm LED indication component manufactured by Stanley Electric Co, designed for discrete 3.5V radial through-hole applications. This part operates at 20mA test current with a 1000mcd brightness rating and 10° viewing angle in a standard 5mm T-1 3/4 round domed lens package. The DB5306X is classified as obsolete, making equivalent and substitute parts necessary for ongoing design support, production continuity, and system maintenance.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Manufacturer Part Number | DB5306X |
| Manufacturer | Stanley Electric Co |
| Color | Blue |
| Wavelength - Dominant | 470nm |
| Wavelength - Peak | 467nm |
| Lens Size | 5mm, T-1 3/4 |
| Lens Style | Round with Domed Top |
| Lens Transparency | Clear |
| Voltage - Forward (Vf) Typical | 3.5V |
| Current - Test | 20mA |
| Millicandela Rating | 1000mcd |
| Viewing Angle | 10° |
| Mounting Type | Through Hole |
| Package / Case | Radial |
| Height (Max) | 8.80mm |
| Product Status | Obsolete |
Substitute Part Grouping Explanation
Direct substitution for the DB5306X blue LED is not available within the provided substitute parts list. All listed substitute parts are green, yellow-green, or alternative color LEDs. Substitution logic for this product category is determined by the following critical parameters:
Primary Substitution Criteria:
- Wavelength range (color specification)
- Lens size and style (5mm T-1 3/4 round domed)
- Mounting type (through-hole radial)
- Voltage forward (Vf) compatibility within system design tolerance
- Current rating (20mA test current)
- Viewing angle (optical field requirements)
- Millicandela rating (brightness requirement)
- Package configuration (radial lead spacing)
Substitution Constraint: The DB5306X operates at blue wavelength (470nm dominant). The provided substitute parts list contains only green (525nm–530nm), yellow-green (573nm), and alternative wavelength LEDs. These parts cannot serve as direct functional substitutes for blue LED indication applications due to fundamental wavelength incompatibility.
Applicable Substitutes from List: Parts 5219947F, 383-2SUGC/S400-A4, HLMP-CM3A-Z1CDD, and others are listed as substitutes in the DB5306X record but represent alternative color options for applications where color change is acceptable or required by system redesign.
Parameter Comparison
| Parameter | DB5306X (Main) | 5219947F | 383-2SUGC/S400-A4 | HLMP-CM3A-Z1CDD | 5219465F | 333-2SUGC/C525 |
|---|---|---|---|---|---|---|
| Manufacturer | Stanley Electric | Dialight | Everlight | Broadcom | Dialight | Everlight |
| Color | Blue | Green | Green | Green | Green | Green |
| Wavelength - Dominant (nm) | 470 | 527 | 530 | 525 | — | 525 |
| Wavelength - Peak (nm) | 467 | 518 | 525 | 516 | 565 | 518 |
| Lens Size | 5mm, T-1 3/4 | 5.00mm | 5.00mm | 5.00mm | 4.83mm | 5.00mm |
| Lens Style | Round Domed | Round Domed | Round Domed | Round Domed | Round Domed | Round Domed |
| Lens Transparency | Clear | Clear | Clear | Clear | Clear | Clear |
| Vf Typical (V) | 3.5 | 3.8 | 3.4 | 3.2 | 2.3 | 3.5 |
| Current - Test (mA) | 20 | 20 | 20 | 20 | 20 | 20 |
| Millicandela Rating (mcd) | 1000 | 4200 | 4000 | 16500 | 120 | 2000 |
| Viewing Angle (°) | 10 | 30 | 6 | 30 | 24 | 10 |
| Mounting Type | Through Hole | Through Hole | Through Hole | Through Hole | Through Hole | Through Hole |
| Package / Case | Radial | Radial | Radial | Radial | Radial | Radial |
| Height Max (mm) | 8.80 | 9.65 | 8.90 | 8.90 | 8.81 | 8.90 |
| Product Status | Obsolete | Active | Active | Active | Active | Active |
| RoHS Status | — | ROHS3 Compliant | ROHS3 Compliant | — | ROHS3 Compliant | — |
Engineering Selection Recommendations
Wavelength Compatibility Requirement: The DB5306X is a blue 470nm LED. None of the substitute parts provided maintain blue wavelength operation. All substitutes are green or yellow-green LEDs. Selection of any substitute part requires system redesign to accommodate color change in the indication function.
For Green LED Substitution (if color change is acceptable):
333-2SUGC/C525 (Everlight Electronics) provides the closest electrical match to DB5306X with identical 3.5V forward voltage and 10° viewing angle. This part is active status with 2000mcd brightness and 525nm dominant wavelength. Lens size and height are compatible with 5mm through-hole mounting.
383-2SUGC/S400-A4 (Everlight Electronics) offers higher brightness (4000mcd) with 3.4V forward voltage and narrower 6° viewing angle. This part is ROHS3 compliant and active status, suitable for applications requiring increased luminous intensity.
HLMP-CM3A-Z1CDD (Broadcom Limited) provides 16500mcd brightness with 3.2V forward voltage and 30° viewing angle. This part is active status with REACH compliance and represents a high-brightness option for applications requiring extended viewing angle.
5219947F (Dialight Series 521) delivers 4200mcd brightness with 3.8V forward voltage and 30° viewing angle. This part is ROHS3 compliant and active status, offering moderate brightness with wide viewing angle.
5219465F (Dialight Series 521) operates at 2.3V forward voltage with 120mcd brightness and 24° viewing angle. This part is ROHS3 compliant and suitable for low-power applications with extended viewing angle.
Product Status Consideration: All substitute parts listed are active status, ensuring ongoing availability and manufacturing support. The DB5306X obsolete status necessitates transition to active alternatives for new designs and production continuity.
Frequently Asked Questions (FAQ)
Q: Can the DB5306X be directly replaced with a green LED from the substitute list?
A: No. The DB5306X is a blue 470nm LED. Direct functional replacement requires a blue LED with equivalent electrical and optical parameters. The substitute parts provided are green or yellow-green LEDs and cannot serve as direct replacements in applications requiring blue indication. System redesign is necessary if color change is acceptable.
Q: What are the critical parameters for LED substitution in through-hole applications?
A: Critical parameters include wavelength (color), lens size (5mm T-1 3/4), mounting type (through-hole radial), forward voltage (Vf), test current (20mA), millicandela rating (brightness), viewing angle, and package configuration. All parameters must be evaluated for system compatibility.
Q: Which substitute part most closely matches the DB5306X electrical characteristics?
A: 333-2SUGC/C525 (Everlight Electronics) provides the closest electrical match with identical 3.5V forward voltage and 10° viewing angle. However, this part is green (525nm) rather than blue (470nm), requiring application redesign.
Q: Are all substitute parts RoHS compliant?
A: RoHS compliance status varies. 5219947F, 383-2SUGC/S400-A4, and 5219465F are ROHS3 compliant. HLMP-CM3A-Z1CDD and 333-2SUGC/C525 do not specify RoHS status in provided data. Verify compliance requirements for your application before selection.
Q: What is the brightness difference between DB5306X and available substitutes?
A: DB5306X operates at 1000mcd. Substitute parts range from 120mcd (5219465F) to 16500mcd (HLMP-CM3A-Z1CDD). Selection depends on application brightness requirements. Higher brightness parts may require circuit redesign to limit current.
Q: Can substitute parts with different viewing angles be used interchangeably?
A: No. Viewing angle affects optical field coverage. DB5306X has 10° viewing angle. Substitutes range from 6° to 30°. Narrower angles concentrate light; wider angles distribute light over larger area. Application requirements determine acceptable viewing angle range.
Q: What is the height difference between DB5306X and substitutes?
A: DB5306X maximum height is 8.80mm. Substitutes range from 8.81mm to 9.65mm. These differences are minimal for most through-hole PCB applications but should be verified for space-constrained designs.
Q: Are all substitute parts available in active production status?
A: Yes. All substitute parts listed are active status, ensuring ongoing availability and manufacturing support. DB5306X is obsolete, making transition to active alternatives necessary for production continuity.
Q: What forward voltage range is acceptable for circuit design?
A: DB5306X operates at 3.5V typical. Substitute parts range from 2.3V to 3.8V. Circuit design must accommodate the specific forward voltage of the selected substitute part. Voltage differences affect current-limiting resistor calculations.
Q: Can packaging format differences affect substitution?
A: Yes. DB5306X is supplied in standard packaging. Substitute parts are available in Bulk, Cut Tape (CT), and Tape & Box (TB) formats. Packaging affects procurement, handling, and assembly processes. Verify packaging compatibility with your supply chain requirements.
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