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MPC3ATW12.0 Equivalent & Substitute Parts
Part Overview
The MPC3ATW12.0 is a panel-mounted LED indicator manufactured by Bivar Inc., featuring an amber lamp with clear lens transparency and 12-inch wire leads. This component is classified as obsolete, necessitating identification of functionally equivalent alternatives for ongoing design support and procurement continuity. The part operates at 2V with a maximum current of 30mA and provides 40mcd brightness output with a 20° viewing angle.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Manufacturer | Bivar Inc. |
| Series | MPC3 |
| Type | LED |
| Lamp Color | Amber |
| Voltage (Vf Typ) | 2V |
| Current (If Max) | 30mA |
| Lens Size | 3mm, T-1 |
| Panel Cutout Dimensions | 0.24" (6.10mm) |
| Termination Style | Wire Leads - 12" (304.80mm) |
| Wavelength - Peak | 605nm |
| Moisture Sensitivity Level | 1 (Unlimited) |
Substitute Part Grouping Explanation
The MPC3ADW12.0 qualifies as a functional substitute for the MPC3ATW12.0 based on the following alignment of critical electrical and mechanical parameters:
Matching Parameters:
- Manufacturer: Bivar Inc.
- Series: MPC3
- Lamp Color: Amber
- Voltage: 2V
- Current: 30mA
- Lens Size: 3mm, T-1
- Panel Cutout Shape and Dimensions: Round, 0.24" (6.10mm)
- Termination Style: Wire Leads - 12" (304.80mm)
- Wavelength - Peak: 605nm
- Moisture Sensitivity Level: 1 (Unlimited)
Differing Parameters:
- Lens Transparency: Clear (MPC3ATW12.0) vs. Diffused (MPC3ADW12.0)
- Viewing Angle: 20° (MPC3ATW12.0) vs. 35° (MPC3ADW12.0)
- Millicandela Rating: 40mcd (MPC3ATW12.0) vs. 25mcd (MPC3ADW12.0)
- Product Status: Obsolete (MPC3ATW12.0) vs. Active (MPC3ADW12.0)
The diffused lens of the substitute part results in a wider viewing angle and lower peak brightness, representing a trade-off in optical characteristics while maintaining electrical compatibility.
Parameter Comparison
| Parameter | MPC3ATW12.0 | MPC3ADW12.0 |
|---|---|---|
| Manufacturer | Bivar Inc. | Bivar Inc. |
| Series | MPC3 | MPC3 |
| Type | LED | LED |
| Lamp Color | Amber | Amber |
| Lens Color | Amber | Amber |
| Lens Transparency | Clear | Diffused |
| Voltage (Vf Typ) | 2V | 2V |
| Current (If Max) | 30mA | 30mA |
| Lens Size | 3mm, T-1 | 3mm, T-1 |
| Panel Cutout Dimensions | 0.24" (6.10mm) | 0.24" (6.10mm) |
| Lens Style | Round with Domed Top | Round with Domed Top |
| Millicandela Rating | 40mcd | 25mcd |
| Wavelength - Peak | 605nm | 605nm |
| Viewing Angle | 20° | 35° |
| Termination Style | Wire Leads - 12" (304.80mm) | Wire Leads - 12" (304.80mm) |
| Product Status | Obsolete | Active |
| Moisture Sensitivity Level | 1 (Unlimited) | 1 (Unlimited) |
| ECCN | EAR99 | EAR99 |
| HTSUS | 8541.41.0000 | 8541.41.0000 |
Engineering Selection Recommendations
The MPC3ADW12.0 is the active production equivalent for the obsolete MPC3ATW12.0. Selection of the substitute part is based on the following engineering criteria:
Product Status Consideration: The MPC3ATW12.0 is classified as obsolete, making the active MPC3ADW12.0 the appropriate choice for new designs and ongoing procurement requirements.
Electrical Compatibility: Both parts operate at identical voltage (2V) and current (30mA) specifications, ensuring direct electrical substitution without circuit modification.
Mechanical Compatibility: Identical panel cutout dimensions (0.24" / 6.10mm), lens size (3mm T-1), and wire lead length (12" / 304.80mm) confirm mechanical interchangeability in existing panel assemblies.
Compliance Status: The MPC3ADW12.0 carries ROHS3 compliance certification, providing regulatory advantage over the obsolete part.
Optical Trade-off: The substitute part features a diffused lens with 35° viewing angle and 25mcd brightness, compared to the clear lens with 20° viewing angle and 40mcd brightness of the original. This represents a wider light distribution pattern at reduced peak intensity.
Frequently Asked Questions (FAQ)
Q: Can the MPC3ADW12.0 directly replace the MPC3ATW12.0 in existing assemblies?
A: Yes. Both parts share identical electrical ratings (2V, 30mA), panel cutout dimensions (0.24" / 6.10mm), lens size (3mm T-1), and wire lead specifications (12" / 304.80mm). Physical installation requires no modification.
Q: What is the primary difference between these two parts?
A: The MPC3ATW12.0 features a clear lens with 20° viewing angle and 40mcd brightness. The MPC3ADW12.0 features a diffused lens with 35° viewing angle and 25mcd brightness. The diffused lens provides wider light distribution at the expense of peak intensity.
Q: Is the MPC3ADW12.0 suitable for applications requiring high brightness concentration?
A: The MPC3ADW12.0 produces 25mcd compared to the original part's 40mcd. Applications requiring the original 40mcd specification may require optical design evaluation.
Q: What is the compliance status of the substitute part?
A: The MPC3ADW12.0 is ROHS3 compliant and carries an EAR99 ECCN classification, matching the regulatory profile of the original part.
Q: Are there packaging differences between these parts?
A: The MPC3ATW12.0 is supplied without specified packaging. The MPC3ADW12.0 is supplied in bag packaging.
Q: What is the moisture sensitivity level for both parts?
A: Both parts carry MSL 1 (Unlimited) classification, indicating no moisture sensitivity restrictions for storage or handling.
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