LED YELLOW T1 REAR PANEL MNT 5120F7 Equivalent & Substitute Parts

Part Overview

The 5120F7 is a yellow LED panel indicator manufactured by Visual Communications Company (VCC), designed for rear panel mounting applications with wire lead termination. This component is classified as Obsolete and no longer recommended for new designs. The 5120F7 operates at 2.1V forward voltage with a maximum current rating of 30mA, featuring a 3mm T-1 round domed lens with diffused transparency and 6.3mcd brightness output.

Due to its obsolete status, identifying functionally equivalent substitute components is essential for maintaining existing equipment, supporting legacy system repairs, and ensuring continuity in production environments where this LED remains in active use.

Substiute Parts

5120F7

Visual Communications Company - VCCIn Stock: 7595120F7 Datasheet

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5110F7

Visual Communications Company - VCCIn Stock: 10075110F7 Datasheet

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Key Parameters

Substitute Part Grouping Explanation

Substitute components for the 5120F7 are identified based on strict electrical and mechanical parameter matching. The substitution logic is governed by the following critical parameters:

Electrical Parameters (Must Match Exactly):

• Forward Voltage: 2.1V
• Maximum Current: 30mA
• Lamp Color: Yellow
• Millicandela Rating: 6.3mcd

Mechanical Parameters (Must Match Exactly):

• Lens Size: 3mm, T-1
• Lens Style: Round with Domed Top
• Lens Transparency: Diffused
• Termination Style: Wire Leads

Compliance Parameters (Must Maintain or Exceed):

• RoHS3 Compliance
• Moisture Sensitivity Level 1 (Unlimited)

The 5110F7 qualifies as a substitute component because it maintains identical electrical ratings (2.1V, 30mA, yellow color, 6.3mcd), identical optical characteristics (3mm T-1 round domed diffused lens), and equivalent compliance certifications (ROHS3 Compliant, MSL 1). Variations in wire lead length (4.6" vs. 4.4") and panel cutout specifications do not preclude substitution, as these are application-specific mechanical considerations rather than functional performance criteria.

Parameter Comparison

Engineering Selection Recommendations

5110F7 Substitution Eligibility:

The 5110F7 is a direct functional equivalent to the 5120F7 for applications requiring yellow LED panel indicators with identical electrical and optical specifications. Both components maintain ROHS3 compliance and REACH unaffected status, ensuring regulatory consistency in replacement scenarios.

Inventory Availability:

• 5120F7: 699 Pcs New Original In Stock
• 5110F7: 929 Pcs New Original In Stock

Both components are available in current inventory. The 5110F7 offers higher stock availability, which may be advantageous for volume requirements or extended production runs.

Product Status Consideration:

Both the 5120F7 (Obsolete) and 5110F7 (Not For New Designs) carry legacy status designations. Neither component is recommended for incorporation into new product designs. For existing equipment maintenance and repair applications, the 5110F7 provides functional continuity with equivalent performance characteristics.

Application-Specific Factors:

Wire lead length variation (4.6" vs. 4.4") represents a 0.2" (2.04mm) difference. This minor dimensional variance requires verification against specific panel mounting geometry and wiring harness routing in the target application. Panel cutout specifications differ between the two models; however, this does not affect the LED's electrical or optical performance.

Frequently Asked Questions (FAQ)

Q: Can the 5110F7 directly replace the 5120F7 in existing applications?

A: The 5110F7 provides electrical and optical equivalence to the 5120F7. Both components operate at 2.1V, 30mA with identical yellow color, 6.3mcd brightness, and 3mm T-1 diffused lens characteristics. Physical installation compatibility depends on panel cutout dimensions and wire lead routing space in your specific application. Verify that the 0.2" wire lead length difference and panel mounting specifications accommodate the 5110F7 in your assembly.

Q: Are there any compliance or regulatory differences between these components?

A: No. Both the 5120F7 and 5110F7 maintain identical compliance certifications: ROHS3 Compliant, REACH Unaffected, MSL 1 (Unlimited), ECCN EAR99, and HTSUS 8541.41.0000. Regulatory requirements are satisfied equally by either component.

Q: What is the significance of the "Obsolete" and "Not For New Designs" status designations?

A: These designations indicate that both components are legacy products no longer in active production or recommended for new product development. The 5120F7 (Obsolete) is completely discontinued, while the 5110F7 (Not For New Designs) remains available in inventory but is not recommended for new applications. For maintenance and repair of existing equipment, both components remain functionally valid.

Q: How do the wire lead lengths differ, and does this affect substitution?

A: The 5120F7 features 4.6" (116.84mm) wire leads, while the 5110F7 provides 4.4" (111.80mm) wire leads—a 0.2" (2.04mm) difference. This variation is minor and typically accommodated within standard panel mounting assemblies. Verify that your specific wiring harness and panel geometry can accommodate the shorter lead length of the 5110F7 without requiring additional wire extensions or routing modifications.

Q: What are the panel cutout specifications, and do they affect compatibility?

A: The 5120F7 does not specify panel cutout dimensions in the provided data. The 5110F7 specifies a round panel cutout of 0.16" (4.06mm) diameter. Both components use identical 3mm T-1 lens form factors. Confirm that your panel mounting hole accommodates the 5110F7's specified cutout dimensions before substitution.

Q: Are both components available in sufficient inventory for production requirements?

A: Yes. The 5120F7 has 699 pcs in stock, and the 5110F7 has 929 pcs in stock. The 5110F7 offers higher inventory availability, which may provide supply chain advantages for larger volume orders or extended production schedules.

Q: What electrical circuit parameters must be maintained when substituting these components?

A: Both components require identical circuit parameters: 2.1V forward voltage and 30mA maximum current. Existing current-limiting resistor values and power supply voltage settings designed for the 5120F7 are directly applicable to the 5110F7 without modification. No circuit redesign is necessary.