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Equivalent & Substitute Parts for PVC6M504A01B00
Part Overview
The PVC6M504A01B00 is a 500 kOhms, 0.5W through-hole trimmer potentiometer manufactured by Bourns Inc. with ceramic resistive material and top adjustment capability. This part is classified as obsolete, making equivalent substitutes necessary for ongoing production and maintenance applications. The part operates with ±10% tolerance and ±100ppm/°C temperature coefficient in a compact square form factor.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Resistance | 500 kOhms |
| 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 |
Substitute Part Grouping Explanation
Substitution eligibility for the PVC6M504A01B00 is determined by matching the following critical parameters: 500 kOhms resistance, 0.5W power rating, ±10% tolerance, ±100ppm/°C temperature coefficient, 1-turn adjustment, top adjustment type, through-hole mounting, and PC pin termination. The resistive material (ceramic versus cermet) and physical dimensions represent secondary variations that do not prevent functional substitution when all primary electrical parameters align.
Two substitute parts meet these criteria:
3362U-1-504LF (Bourns Inc., Trimpot® 3362 - Sealed series): Direct manufacturer substitute with identical electrical specifications and active product status. Resistive material is cermet rather than ceramic. Rectangular form factor differs slightly from the original square design.
72PR500KLF (TT Electronics/BI, 72 series): Similar substitute with matching electrical parameters and active product status. Cermet resistive material. Larger square form factor (0.375" x 0.375" versus 0.272" x 0.272").
Parameter Comparison
| Parameter | PVC6M504A01B00 | 3362U-1-504LF | 72PR500KLF |
|---|---|---|---|
| Manufacturer | Bourns Inc. | Bourns Inc. | TT Electronics/BI |
| Series | PVC6 | Trimpot® 3362 - Sealed | 72 |
| Product Status | Obsolete | Active | Active |
| Resistance | 500 kOhms | 500 kOhms | 500 kOhms |
| 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 |
| Size / Dimension | Square - 0.272" x 0.272" (6.90mm x 6.90mm) | Rectangular - 0.275" x 0.260" (6.99mm x 6.60mm) | Square - 0.375" x 0.375" (9.53mm x 9.53mm) |
| RoHS Status | RoHS non-compliant | ROHS3 Compliant | ROHS3 Compliant |
| REACH Status | REACH Unaffected | REACH Affected | REACH Unaffected |
| Packaging | - | Tube | Bulk |
Engineering Selection Recommendations
3362U-1-504LF is the primary substitute for the PVC6M504A01B00. Both parts are manufactured by Bourns Inc., ensuring design continuity and compatibility. The 3362U-1-504LF holds active product status and is ROHS3 compliant, meeting current regulatory requirements. The cermet resistive material provides equivalent performance to the original ceramic design across the specified electrical parameters. Physical dimensions are nearly identical, minimizing PCB layout modifications. This part is supplied in tube packaging.
72PR500KLF serves as an alternative substitute when the 3362U-1-504LF is unavailable. Manufactured by TT Electronics/BI, this part maintains all critical electrical specifications and holds active product status. ROHS3 compliance and REACH unaffected status align with modern supply chain requirements. The larger form factor (0.375" x 0.375") requires PCB layout verification to confirm clearance compatibility. This part is supplied in bulk packaging.
Frequently Asked Questions (FAQ)
Q: Can the 3362U-1-504LF directly replace the PVC6M504A01B00 without circuit modifications?
A: Yes. The 3362U-1-504LF matches all critical electrical parameters: 500 kOhms resistance, 0.5W power rating, ±10% tolerance, ±100ppm/°C temperature coefficient, 1-turn adjustment, and PC pin termination. Physical dimensions are nearly identical, requiring no PCB layout changes.
Q: What is the difference between ceramic and cermet resistive materials in these trimmers?
A: Both materials meet the specified electrical parameters for this application. Cermet (ceramic-metal composite) offers improved stability and is used in the active substitute parts. The functional performance across resistance, tolerance, and temperature coefficient remains equivalent.
Q: Is the 72PR500KLF suitable for space-constrained applications?
A: The 72PR500KLF has a larger form factor (0.375" x 0.375") compared to the original PVC6M504A01B00 (0.272" x 0.272"). PCB layout verification is required to confirm adequate clearance before selection.
Q: Are both substitute parts RoHS compliant?
A: Yes. Both the 3362U-1-504LF and 72PR500KLF are ROHS3 compliant, meeting current environmental and regulatory standards. The original PVC6M504A01B00 is RoHS non-compliant.
Q: What packaging options are available for these substitutes?
A: The 3362U-1-504LF is supplied in tube packaging. The 72PR500KLF is supplied in bulk packaging. Packaging selection depends on production volume and handling requirements.
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