MPC5SRD LED Panel Indicator Equivalent & Substitute Parts

Part Overview

The MPC5SRD is an industrial metal panel-mount LED indicator manufactured by Bivar Inc., featuring a 5mm red diffused lens with a domed top design. This component is rated for 1.7V forward voltage and 20mA maximum current, delivering 40 millicandela at a 40° viewing angle with a peak wavelength of 645nm. The part is classified as obsolete, necessitating identification of active equivalent alternatives for new designs and ongoing production requirements. Substitute parts must maintain mechanical compatibility with the 0.32" (8.13mm) round panel cutout while meeting or exceeding the electrical performance specifications.

Substiute Parts

MPC5SRD

Bivar Inc.In Stock: 1153MPC5SRD Datasheet

Current PartRFQ

MPC5RD

Bivar Inc.In Stock: 1025MPC5RD Datasheet

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Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the MPC5SRD is determined by strict adherence to the following mechanical and electrical compatibility criteria:

Mechanical Compatibility Requirements:

• Panel cutout shape must be round
• Panel cutout dimensions must be 0.32" (8.13mm)
• Lens size must be 5mm, T-1 3/4
• Lens style must be round with domed top

Electrical Compatibility Requirements:

• Maximum current rating must be 20mA
• Forward voltage must be compatible with existing circuit design parameters
• Lamp color must be red
• Lens transparency must be diffused

Regulatory and Environmental Requirements:

• Moisture Sensitivity Level must be 1 (Unlimited) or equivalent
• ECCN and HTSUS classifications must align with export and tariff requirements

The MPC5RD from Bivar Inc. meets all mechanical compatibility criteria and maintains the same maximum current rating of 20mA. While the MPC5RD exhibits different electrical characteristics (2.1V forward voltage versus 1.7V) and optical performance (2mcd versus 40mcd, 45° versus 40° viewing angle, 700nm versus 645nm peak wavelength), these differences are within the scope of component substitution when circuit design accommodates the voltage differential and optical performance variance.

Parameter Comparison

Engineering Selection Recommendations

For Obsolete Part Replacement:

The MPC5SRD is classified as obsolete. The MPC5RD is the active equivalent from the same manufacturer (Bivar Inc.) and maintains full mechanical compatibility with existing panel cutout specifications. The MPC5RD is ROHS3 compliant and REACH unaffected, providing regulatory advantages for new production and international distribution.

Electrical Considerations:

The forward voltage differential of 0.4V (1.7V to 2.1V) requires circuit design verification. Applications with fixed current-limiting resistor designs must recalculate resistor values to maintain 20mA operation at the higher voltage. The MPC5RD operates at 2.1V typical, which may require adjustment of series resistor values in existing designs.

Optical Performance Variance:

The MPC5RD delivers 2mcd compared to the MPC5SRD's 40mcd, representing a significant reduction in luminous intensity. The peak wavelength shift from 645nm to 700nm moves the emission spectrum toward the infrared region. These optical differences necessitate application-level assessment to determine acceptability for the intended indicator function.

Compliance and Availability:

The MPC5RD is in active production with 1008 pieces in stock, ensuring supply chain continuity. Both parts share identical ECCN (EAR99) and HTSUS (8541.41.0000) classifications, maintaining regulatory consistency.

Frequently Asked Questions (FAQ)

Q: Can the MPC5RD be used as a direct drop-in replacement for the MPC5SRD?

A: The MPC5RD is mechanically compatible with the MPC5SRD panel cutout and mounting configuration. However, electrical circuit design must accommodate the 0.4V forward voltage increase (1.7V to 2.1V). Series resistor values require recalculation to maintain 20mA operation. Optical performance differs significantly, with the MPC5RD delivering 2mcd versus 40mcd.

Q: What is the impact of the 40mcd to 2mcd reduction in luminous intensity?

A: The MPC5RD produces approximately 5% of the optical output of the MPC5SRD. Applications requiring high visibility indicator functions must evaluate whether the reduced brightness is acceptable for the intended use case. The wider 45° viewing angle of the MPC5RD partially compensates for reduced intensity in certain applications.

Q: How does the wavelength shift from 645nm to 700nm affect visibility?

A: The 55nm shift toward the infrared region (700nm versus 645nm) moves the emission spectrum closer to the infrared boundary. Human eye sensitivity decreases at longer wavelengths. This shift, combined with the reduced millicandela rating, results in perceived dimming of the indicator. Color perception may also shift slightly toward orange-red.

Q: Are there any regulatory advantages to using the MPC5RD?

A: The MPC5RD carries ROHS3 compliance and REACH unaffected status, providing regulatory advantages for new product designs and international markets. Both parts share identical ECCN (EAR99) and HTSUS (8541.41.0000) classifications.

Q: What packaging format is the MPC5RD supplied in?

A: The MPC5RD is supplied in tray packaging, compared to the MPC5SRD which does not specify packaging format. Tray packaging is standard for automated assembly processes and provides protection during handling and storage.

Q: Is the MPC5RD the only active substitute available from Bivar Inc.?

A: Based on the provided substitute list, the MPC5RD is identified as the active equivalent. The MPC5SRD documentation lists MPC5RD as its substitute part.

Q: What circuit modifications are required to use the MPC5RD instead of the MPC5SRD?

A: If the original design uses a fixed current-limiting resistor, the resistor value must be recalculated using Ohm's law: R = (Vsupply - Vf) / If. For the MPC5RD at 2.1V forward voltage and 20mA, the resistor value will be lower than the original MPC5SRD design (which used 1.7V). Consult the circuit schematic and power supply specifications to determine the exact resistor value required.

Q: Can the MPC5RD be used in applications where the MPC5SRD's 40° viewing angle is critical?

A: The MPC5RD has a 45° viewing angle, which is 5° wider than the MPC5SRD. For applications requiring a narrower viewing angle, the MPC5RD may not be suitable. However, for applications where a wider viewing angle is acceptable or beneficial, the MPC5RD provides improved visibility across a broader angular range.