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Equivalent & Substitute Parts for UP0450100L
Part Overview
The Panasonic UP0450100L is a dual NPN bipolar junction transistor array in SSMINI6-F1 surface mount packaging. This component is classified as obsolete, necessitating identification of functionally equivalent alternatives for ongoing production and maintenance applications. The part operates at 50V collector-emitter breakdown voltage with 100mA maximum collector current and 125mW power dissipation, serving as a general-purpose switching and amplification element in compact surface mount designs.
Substiute Parts
Key Parameters
| Parameter | Value | Unit |
|---|---|---|
| Transistor Type | 2 NPN (Dual) | — |
| Current - Collector (Ic) (Max) | 100 | mA |
| Voltage - Collector Emitter Breakdown (Max) | 50 | V |
| Power - Max | 125 | mW |
| Frequency - Transition | 150 | MHz |
| Operating Temperature (Max) | 125 | °C |
| Mounting Type | Surface Mount | — |
| Package / Case | SOT-563, SOT-666 | — |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) | — |
Substitute Part Grouping Explanation
Substitution of the UP0450100L is determined by strict equivalence across the following critical parameters:
Electrical Equivalence Criteria:
- Transistor configuration: 2 NPN (Dual) array
- Maximum collector current: 100mA
- Maximum collector-emitter breakdown voltage: 50V
- Surface mount packaging compatibility: SOT-563 or SOT-666
Mechanical Equivalence Criteria:
- Surface mount technology
- Pin-compatible package footprint
- Moisture sensitivity level: 1 (Unlimited)
The identified substitute parts (EMX1DXV6T1G, EMX1DXV6T5G, and NSVEMX1DXV6T1G) satisfy all electrical and mechanical equivalence requirements. These onsemi components maintain identical collector current and voltage ratings while offering enhanced performance characteristics in power dissipation and transition frequency. All substitutes are packaged in SOT-563 surface mount configuration with identical MSL classification.
Parameter Comparison
| Parameter | UP0450100L (Panasonic) | EMX1DXV6T1G (onsemi) | EMX1DXV6T5G (onsemi) | NSVEMX1DXV6T1G (onsemi) |
|---|---|---|---|---|
| Transistor Type | 2 NPN (Dual) | 2 NPN (Dual) | 2 NPN (Dual) | 2 NPN (Dual) |
| Current - Collector (Ic) (Max) | 100 mA | 100 mA | 100 mA | 100 mA |
| Voltage - Collector Emitter Breakdown (Max) | 50 V | 50 V | 50 V | 50 V |
| Power - Max | 125 mW | 500 mW | 500 mW | 500 mW |
| Frequency - Transition | 150 MHz | 180 MHz | 180 MHz | 180 MHz |
| Operating Temperature (Max) | 125 °C | 150 °C | 150 °C | 150 °C |
| Package / Case | SOT-563, SOT-666 | SOT-563, SOT-666 | SOT-563, SOT-666 | SOT-563, SOT-666 |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) | 1 (Unlimited) | 1 (Unlimited) | 1 (Unlimited) |
| Product Status | Obsolete | Active | Obsolete | Active |
| RoHS Status | — | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant |
Engineering Selection Recommendations
Primary Recommendation: EMX1DXV6T1G
The EMX1DXV6T1G is the preferred substitute for the obsolete UP0450100L. This component maintains active product status with onsemi, ensuring long-term availability and supply chain continuity. The part is ROHS3 compliant and REACH unaffected, meeting current environmental and regulatory requirements. Electrical parameters are fully compatible with the original specification, with enhanced power dissipation capability (500mW versus 125mW) and higher transition frequency (180MHz versus 150MHz). Packaging in SOT-563 surface mount configuration provides direct mechanical compatibility. Tape & Reel (TR) packaging format supports automated assembly processes.
Secondary Recommendation: NSVEMX1DXV6T1G
The NSVEMX1DXV6T1G serves as an alternative active-status substitute with identical electrical and mechanical specifications to EMX1DXV6T1G. This part maintains active product status and ROHS3 compliance. Lower inventory availability (769 pcs) compared to EMX1DXV6T1G (9396 pcs) may impact procurement timelines for high-volume applications.
Tertiary Option: EMX1DXV6T5G
The EMX1DXV6T5G is classified as obsolete and should be considered only when primary and secondary recommendations are unavailable. This part carries identical electrical specifications but lacks active product status, presenting potential long-term supply constraints. Cut Tape (CT) & Digi-Reel® packaging format may require manual handling in assembly operations.
Frequently Asked Questions (FAQ)
Q: Can EMX1DXV6T1G directly replace UP0450100L in existing designs?
A: Yes. The EMX1DXV6T1G maintains electrical equivalence across all critical parameters: 100mA maximum collector current, 50V collector-emitter breakdown voltage, dual NPN configuration, and SOT-563 surface mount packaging. No circuit modifications are required for direct substitution.
Q: What are the differences in power dissipation between the original and substitute parts?
A: The UP0450100L is rated at 125mW maximum power dissipation, while all onsemi substitutes (EMX1DXV6T1G, EMX1DXV6T5G, NSVEMX1DXV6T1G) are rated at 500mW. This represents a 4:1 improvement in thermal capability. Designs operating within the original 125mW specification remain fully compatible with the higher-rated substitutes.
Q: Are there packaging compatibility concerns when substituting these parts?
A: No. All substitute parts utilize SOT-563 surface mount packaging, which is mechanically and electrically compatible with the original SSMINI6-F1 package designation. Pin configuration and footprint remain identical across all specified alternatives.
Q: What is the significance of product status (Active versus Obsolete) in component selection?
A: Active product status indicates ongoing manufacturer support, guaranteed long-term availability, and continued compliance with current environmental regulations. EMX1DXV6T1G and NSVEMX1DXV6T1G carry active status, ensuring supply chain reliability. EMX1DXV6T5G and the original UP0450100L are obsolete, presenting potential procurement challenges and limited future availability.
Q: Do the substitute parts meet RoHS and REACH compliance requirements?
A: All onsemi substitute parts (EMX1DXV6T1G, EMX1DXV6T5G, NSVEMX1DXV6T1G) are ROHS3 compliant and REACH unaffected. These certifications confirm compliance with current European environmental directives and hazardous substance restrictions.
Q: How do transition frequency differences affect circuit performance?
A: The substitute parts operate at 180MHz transition frequency compared to the original 150MHz specification. This 30MHz increase provides enhanced high-frequency performance capability. Designs operating within the original 150MHz specification remain fully functional with the higher-frequency substitutes.
Q: What packaging format should be selected for automated assembly?
A: EMX1DXV6T1G and NSVEMX1DXV6T1G are supplied in Tape & Reel (TR) format, which is standard for automated pick-and-place assembly equipment. EMX1DXV6T5G is supplied in Cut Tape (CT) & Digi-Reel® format, which requires manual handling or specialized equipment.
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