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VCC 4300H1LC Red Diffused LED T-1 3/4 Through Hole - Equivalent & Substitute Parts
Part Overview
The VCC 4300H1LC is a red diffused LED indicator in T-1 3/4 through-hole package, rated at 1.8V forward voltage with 2.3mcd brightness. This component is classified as "Not For New Designs," making identification of active equivalent and substitute parts essential for ongoing production support, maintenance applications, and design transitions.
The part operates at 2mA test current with a 50° viewing angle and 635nm peak wavelength. Its diffused lens provides uniform light distribution suitable for general indication applications. Due to its discontinued status, equivalent alternatives from active manufacturers are necessary for procurement continuity.
Substiute Parts
Key Parameters
| Parameter | Value | Unit |
|---|---|---|
| Manufacturer Part Number | 4300H1LC | — |
| Manufacturer | Visual Communications Company (VCC) | — |
| Color | Red | — |
| Lens Transparency | Diffused | — |
| Lens Size | 5mm, T-1 3/4 | — |
| Voltage - Forward (Vf) Typical | 1.8 | V |
| Current - Test | 2 | mA |
| Millicandela Rating | 2.3 | mcd |
| Wavelength - Peak | 635 | nm |
| Viewing Angle | 50 | ° |
| Mounting Type | Through Hole | — |
| Package / Case | Radial | — |
| Height (Max) | 8.89 | mm |
| RoHS Status | ROHS3 Compliant | — |
| Product Status | Not For New Designs | — |
Substitute Part Grouping Explanation
Substitution eligibility for the VCC 4300H1LC is determined by the following critical parameters:
Primary Matching Criteria:
- Color: Red
- Lens Transparency: Diffused
- Mounting Type: Through Hole
- Package / Case: Radial
- Lens Style: Round with Domed Top
Secondary Compatibility Parameters:
- Voltage - Forward (Vf): 1.8V to 2.0V range acceptable
- Current - Test: 2mA to 20mA range acceptable
- Millicandela Rating: 2mcd minimum
- Wavelength - Peak: 623nm to 650nm range acceptable
- Viewing Angle: 30° to 60° range acceptable
- Height (Max): 8.21mm to 9.57mm range acceptable
Substitute parts are grouped into two categories based on electrical and optical characteristics:
Group A - Low Current, Low Brightness (1.8V, 2mA operation): Dialight 5219320F and HLMP-3301 series variants match the original forward voltage and test current specifications, providing direct functional equivalence for low-power indication circuits.
Group B - Standard Current, Higher Brightness (2V, 20mA operation): Everlight 1383SDRD/S530-A3 and 333-2SDRD/S530-A3, along with Dialight 5219672F, operate at elevated current and brightness levels. These are suitable for applications requiring higher luminous intensity while maintaining diffused red indication.
Group C - Intermediate Specifications: Dialight 5219240F bridges low and standard current ranges with 10mA test current and 6.3mcd brightness.
Parameter Comparison
| Part Number | Manufacturer | Vf (Typ) V | Current - Test mA | mcd | Peak Wavelength nm | Viewing Angle ° | Height (Max) mm | Product Status | Packaging |
|---|---|---|---|---|---|---|---|---|---|
| 4300H1LC | VCC | 1.8 | 2 | 2.3 | 635 | 50 | 8.89 | Not For New Designs | Bulk |
| 1383SDRD/S530-A3 | Everlight | 2.0 | 20 | 320 | 650 | 30 | 8.90 | Active | Bulk |
| 333-2SDRD/S530-A3 | Everlight | 2.0 | 20 | 160 | 650 | 30 | 8.90 | Active | Bulk |
| 5219240F | Dialight | — | 10 | 6.3 | — | — | 8.94 | Active | Bulk |
| 5219320F | Dialight | 1.8 | 2 | 2 | 635 | 50 | 9.57 | Active | Bulk |
| 5219480F | Dialight | — | — | — | — | — | — | Active | Bulk |
| 5219672F | Dialight | 2.0 | 20 | 60 | 635 | 60 | 8.21 | Active | Bulk |
| HLMP-3301 | Broadcom | 1.9 | 10 | 5.4 | 635 | 60 | 9.19 | Active | Bulk |
| HLMP-3301-D0000 | Broadcom | 1.9 | 10 | 2.1 | 635 | 60 | 9.19 | Active | Bulk |
| HLMP-3301-D0001 | Broadcom | 1.9 | 10 | 2.1 | 635 | 60 | 9.19 | Active | Tape & Reel |
| HLMP-3301-D0002 | Broadcom | 1.9 | 10 | 2.1 | 635 | 60 | 9.19 | Active | Cut Tape |
Engineering Selection Recommendations
Direct Functional Replacement (Lowest Risk): Dialight 5219320F is the closest functional equivalent, matching the original 1.8V forward voltage, 2mA test current, 2mcd brightness, 635nm wavelength, and 50° viewing angle. This part is active and ROHS3 compliant, making it suitable for direct substitution in existing designs without circuit modification.
Near-Equivalent Replacement (Low Risk): HLMP-3301-D0002 (Broadcom) operates at 1.9V forward voltage with 10mA test current and 2.1mcd brightness. The slightly elevated forward voltage and test current require verification against circuit design margins, but the part remains compatible with most standard indicator applications. Available in Cut Tape packaging for production flexibility.
Higher Brightness Alternative (Moderate Risk): Dialight 5219672F and Everlight 1383SDRD/S530-A3 operate at 2.0V with 20mA test current and significantly higher brightness (60mcd and 320mcd respectively). These parts require circuit redesign to accommodate increased current draw and may produce excessive brightness in applications designed for low-intensity indication. Selection depends on application requirements.
Compliance Status: All substitute parts listed are ROHS3 compliant and carry active product status from their respective manufacturers, ensuring long-term availability and supply chain stability. The original VCC 4300H1LC is classified as "Not For New Designs," confirming the necessity of transition to active alternatives.
Frequently Asked Questions (FAQ)
Q: Can I use Dialight 5219320F as a direct replacement for VCC 4300H1LC? A: Yes. The 5219320F matches all critical electrical and optical parameters: 1.8V forward voltage, 2mA test current, 2mcd brightness, 635nm peak wavelength, and 50° viewing angle. Physical dimensions are compatible (8.89mm vs. 9.57mm maximum height). No circuit modification is required.
Q: What is the difference between HLMP-3301, HLMP-3301-D0000, HLMP-3301-D0001, and HLMP-3301-D0002? A: These are variants of the same base part (HLMP-3301) with identical electrical and optical specifications (1.9V, 10mA, 2.1mcd, 635nm, 60° viewing angle). The differences are packaging formats: Bulk, Bulk, Tape & Reel, and Cut Tape respectively. Select based on production volume and assembly equipment compatibility.
Q: Why do Everlight parts have higher brightness (160mcd to 320mcd) compared to the original 2.3mcd? A: Everlight 1383SDRD/S530-A3 and 333-2SDRD/S530-A3 are designed for 20mA test current operation, compared to the original 2mA specification. Higher current produces proportionally higher light output. These parts are suitable only for applications requiring increased luminous intensity and capable of supplying 20mA forward current.
Q: Are all substitute parts ROHS3 compliant? A: Yes. All substitute parts listed carry ROHS3 compliance certification, meeting environmental and hazardous substance restrictions equivalent to the original VCC 4300H1LC.
Q: What viewing angle should I select? A: The original part specifies 50° viewing angle. Substitute parts range from 30° to 60°. Narrower angles (30°) concentrate light in a smaller cone; wider angles (60°) distribute light over a broader area. Select based on application requirements for light distribution and visibility distance.
Q: Can I substitute a 2V part into a circuit designed for 1.8V? A: Substitution of 2.0V parts into 1.8V circuits requires verification of series resistor values and power supply voltage. The 0.2V difference may be acceptable in many applications, but circuit analysis is necessary to confirm compliance with brightness and current specifications.
Q: What is the inventory status of these substitute parts? A: All substitute parts listed are in active stock: Dialight 5219320F (2,604 pcs), Broadcom HLMP-3301-D0002 (6,900 pcs), Everlight 1383SDRD/S530-A3 (844 pcs), and others as specified in the parameter comparison table. Availability is subject to real-time inventory conditions.
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