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MIC39150-2.5BT Equivalent & Substitute Parts
Part Overview
The MIC39150-2.5BT is a linear voltage regulator IC from Microchip Technology designed for positive fixed output applications. This through-hole TO-220-3 package device delivers 1.5A output current at a fixed 2.5V output voltage with a maximum dropout voltage of 0.5V. The part is classified as obsolete, making identification of suitable substitute components essential for ongoing design support and production continuity.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Manufacturer | Microchip Technology |
| Category | Power Management (PMIC) |
| Output Configuration | Positive |
| Output Type | Fixed |
| Voltage - Output (Min/Fixed) | 2.5V |
| Current - Output | 1.5A |
| Voltage - Input (Max) | 16V |
| Voltage Dropout (Max) | 0.5V @ 1.5A |
| Package / Case | TO-220-3 |
| Mounting Type | Through Hole |
| Operating Temperature | -40°C ~ 125°C |
| Protection Features | Over Current, Over Temperature, Reverse Polarity |
Substitute Part Grouping Explanation
Substitution eligibility for the MIC39150-2.5BT is determined by strict equivalence across the following critical parameters:
- Output voltage: 2.5V fixed
- Output current capability: 1.5A
- Input voltage rating: 16V maximum
- Dropout voltage: 0.5V @ 1.5A
- Package type: TO-220-3 through-hole
- Protection features: Over Current, Over Temperature, Reverse Polarity
- Operating temperature range: -40°C ~ 125°C
The MIC39150-2.5WT qualifies as a direct substitute based on identical electrical specifications and mechanical compatibility. The primary distinction is product status and packaging format.
Parameter Comparison
| Parameter | MIC39150-2.5BT | MIC39150-2.5WT |
|---|---|---|
| Manufacturer | Microchip Technology | Microchip Technology |
| Product Status | Obsolete | Active |
| Output Configuration | Positive | Positive |
| Output Type | Fixed | Fixed |
| Voltage - Output (Min/Fixed) | 2.5V | 2.5V |
| Current - Output | 1.5A | 1.5A |
| Voltage - Input (Max) | 16V | 16V |
| Voltage Dropout (Max) | 0.5V @ 1.5A | 0.5V @ 1.5A |
| Package / Case | TO-220-3 | TO-220-3 |
| Mounting Type | Through Hole | Through Hole |
| Operating Temperature | -40°C ~ 125°C | -40°C ~ 125°C |
| Protection Features | Over Current, Over Temperature, Reverse Polarity | Over Current, Over Temperature, Reverse Polarity |
| RoHS Status | RoHS non-compliant | ROHS3 Compliant |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) | 1 (Unlimited) |
| REACH Status | REACH Unaffected | REACH Unaffected |
Engineering Selection Recommendations
The MIC39150-2.5WT is the direct substitute for the obsolete MIC39150-2.5BT. Both parts share identical electrical performance specifications and mechanical compatibility. The MIC39150-2.5WT maintains active product status with Microchip Technology, ensuring continued availability and technical support.
The MIC39150-2.5WT carries ROHS3 compliance, whereas the original MIC39150-2.5BT is RoHS non-compliant. This distinction is significant for applications subject to RoHS regulatory requirements. Both parts maintain REACH Unaffected status and identical moisture sensitivity classification.
Frequently Asked Questions (FAQ)
Q: Can the MIC39150-2.5WT directly replace the MIC39150-2.5BT in existing designs?
A: Yes. The MIC39150-2.5WT provides electrical and mechanical equivalence. Both devices deliver 1.5A at 2.5V fixed output with identical dropout voltage, input voltage rating, and protection features. The TO-220-3 through-hole package is mechanically interchangeable.
Q: What is the primary difference between these two parts?
A: The MIC39150-2.5BT is classified as obsolete, while the MIC39150-2.5WT maintains active product status. Additionally, the MIC39150-2.5WT is ROHS3 compliant, whereas the MIC39150-2.5BT is RoHS non-compliant.
Q: Are there packaging differences between MIC39150-2.5BT and MIC39150-2.5WT?
A: Both parts use the TO-220-3 through-hole package. The MIC39150-2.5BT is supplied in bulk packaging, while the MIC39150-2.5WT is supplied in tube packaging. This does not affect electrical or mechanical compatibility.
Q: What protection features are included in the MIC39150-2.5WT?
A: The MIC39150-2.5WT includes over current protection, over temperature protection, and reverse polarity protection.
Q: Is the MIC39150-2.5WT suitable for applications requiring RoHS compliance?
A: Yes. The MIC39150-2.5WT is ROHS3 compliant, making it suitable for applications with RoHS regulatory requirements.
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