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PVC6A251C01B00 Equivalent & Substitute Parts
Part Overview
The PVC6A251C01B00 is a 250 Ohm, 0.5W through-hole trimmer potentiometer manufactured by Bourns Inc. with ceramic resistive material and top adjustment capability. This component is classified as obsolete, making equivalent substitutes necessary for ongoing production and maintenance applications. The part features PC pin termination, 1-turn adjustment, and ±10% tolerance suitable for precision circuit tuning in compact form factors.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Resistance | 250 Ohms |
| Power Rating | 0.5W (1/2W) |
| Tolerance | ±10% |
| Temperature Coefficient | ±100ppm/°C |
| Number of Turns | 1 |
| Adjustment Type | Top Adjustment |
| Mounting Type | Through Hole |
| Termination Style | PC Pins |
| RoHS Status | ROHS3 Compliant |
Substitute Part Grouping Explanation
Substitution eligibility for the PVC6A251C01B00 is determined by the following critical parameters: resistance value (250 Ohms), power rating (0.5W), tolerance (±10%), temperature coefficient (±100ppm/°C), number of turns (1), adjustment type (top adjustment), mounting type (through hole), and termination style (PC pins).
The 3362P-1-251LF qualifies as a direct substitute, matching all electrical and mechanical parameters while differing only in resistive material composition (cermet vs. ceramic) and physical dimensions within acceptable tolerance ranges. The 3362P-1-501LF is classified as a similar part due to its 500 Ohm resistance value, which deviates from the primary specification and requires circuit-level evaluation for compatibility.
Parameter Comparison
| Parameter | PVC6A251C01B00 | 3362P-1-251LF | 3362P-1-501LF |
|---|---|---|---|
| Manufacturer | Bourns Inc. | Bourns Inc. | Bourns Inc. |
| Resistance | 250 Ohms | 250 Ohms | 500 Ohms |
| Power Rating | 0.5W | 0.5W | 0.5W |
| Tolerance | ±10% | ±10% | ±10% |
| Temperature Coefficient | ±100ppm/°C | ±100ppm/°C | ±100ppm/°C |
| Number of Turns | 1 | 1 | 1 |
| Adjustment Type | Top Adjustment | Top Adjustment | Top Adjustment |
| Resistive Material | Ceramic | Cermet | Cermet |
| Mounting Type | Through Hole | Through Hole | Through Hole |
| Termination Style | PC Pins | PC Pins | PC Pins |
| Product Status | Obsolete | Active | Active |
| RoHS Status | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant |
Engineering Selection Recommendations
The 3362P-1-251LF is the primary substitute for the obsolete PVC6A251C01B00. Both parts maintain identical electrical specifications (250 Ohms, 0.5W, ±10% tolerance, ±100ppm/°C temperature coefficient) and mechanical compatibility (through-hole PC pin termination, 1-turn top adjustment). The 3362P-1-251LF is currently in active production status with ROHS3 compliance and superior inventory availability (2540 units in stock). The resistive material transition from ceramic to cermet does not affect functional equivalence within the specified tolerance and temperature coefficient parameters.
The 3362P-1-501LF is an active alternative only for applications where 500 Ohm resistance is acceptable. This part shares identical electrical ratings and mechanical form factor but requires circuit validation due to the 2:1 resistance ratio difference.
Frequently Asked Questions (FAQ)
Q: Can the 3362P-1-251LF directly replace the PVC6A251C01B00 without circuit modification?
A: Yes. The 3362P-1-251LF matches all critical electrical parameters (resistance, power rating, tolerance, temperature coefficient) and mechanical specifications (through-hole mounting, PC pin termination, top adjustment). The cermet resistive material maintains equivalent performance within the specified tolerance band.
Q: What is the difference between ceramic and cermet resistive materials in this application?
A: Both materials meet the specified tolerance (±10%) and temperature coefficient (±100ppm/°C) requirements. Cermet composition in the 3362P-1-251LF provides enhanced stability and is the current manufacturing standard for the Trimpot® 3362 series.
Q: Is the 3362P-1-501LF a suitable replacement?
A: The 3362P-1-501LF is electrically and mechanically compatible but operates at 500 Ohms instead of 250 Ohms. Circuit-level evaluation is required to determine if this resistance value meets application requirements.
Q: Are there packaging differences between the main part and substitutes?
A: The PVC6A251C01B00 is supplied in standard packaging, while the 3362P-1-251LF and 3362P-1-501LF are packaged in tubes. Both packaging formats are suitable for through-hole assembly processes.
Q: Do all parts meet RoHS compliance requirements?
A: Yes. The PVC6A251C01B00, 3362P-1-251LF, and 3362P-1-501LF are all ROHS3 compliant.
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