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PVC6A203C01B00 Equivalent & Substitute Parts
Part Overview
The PVC6A203C01B00 is a 20 kOhms 0.5W through-hole trimmer potentiometer manufactured by Bourns Inc. in the PVC6 series. This component features ceramic resistive material, PC pin termination, and top adjustment capability with 1 turn operation. The part is classified as obsolete, making equivalent substitutes necessary for ongoing production and maintenance applications requiring 20 kOhms trimmer potentiometers with 0.5W power rating and ±10% tolerance.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Resistance | 20 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 |
| RoHS Status | ROHS3 Compliant |
Substitute Part Grouping Explanation
Substitution eligibility for the PVC6A203C01B00 is determined by strict equivalence across the following parameters: 20 kOhms resistance value, 0.5W power rating, ±10% tolerance, ±100ppm/°C temperature coefficient, 1 turn operation, top adjustment type, through-hole mounting, and PC pin termination. All substitute parts listed meet these core electrical and mechanical requirements. Resistive material (ceramic or cermet) and physical dimensions vary among substitutes while maintaining functional compatibility. Product status and compliance certifications are secondary factors that support selection based on application requirements and supply chain considerations.
Parameter Comparison
| Part Number | Manufacturer | Series | Resistance | Power (W) | Tolerance | Temp Coeff | Turns | Resistive Material | Size / Dimension | Product Status | RoHS Status |
|---|---|---|---|---|---|---|---|---|---|---|---|
| PVC6A203C01B00 | Bourns Inc. | PVC6 | 20 kOhms | 0.5 | ±10% | ±100ppm/°C | 1 | Ceramic | Square - 0.272" x 0.272" (6.90mm x 6.90mm) | Obsolete | ROHS3 Compliant |
| 3362P-1-203LF | Bourns Inc. | Trimpot® 3362 - Sealed | 20 kOhms | 0.5 | ±10% | ±100ppm/°C | 1 | Cermet | Rectangular - 0.275" x 0.260" (6.99mm x 6.60mm) | Active | ROHS3 Compliant |
| 3329H-1-203LF | Bourns Inc. | Trimpot® 3329 - Sealed | 20 kOhms | 0.5 | ±10% | ±100ppm/°C | 1 | Cermet | Round - 0.250" Dia (6.35mm) | Active | ROHS3 Compliant |
| 25PR20KLF | TT Electronics/BI | 25 | 20 kOhms | 0.5 | ±10% | ±100ppm/°C | 1 | Cermet | Square - 0.270" x 0.270" (6.86mm x 6.86mm) | Active | RoHS Compliant |
| 72PR20KLF | TT Electronics/BI | 72 | 20 kOhms | 0.5 | ±10% | ±100ppm/°C | 1 | Cermet | Square - 0.375" x 0.375" (9.53mm x 9.53mm) | Active | ROHS3 Compliant |
| CT-6ETV203 | Nidec Components Corporation | CT6 | 20 kOhms | 0.5 | ±10% | ±100ppm/°C | 1 | Cermet | Square - 0.276" x 0.276" (7.00mm x 7.00mm) | Active | ROHS3 Compliant |
Engineering Selection Recommendations
All listed substitute parts satisfy the core electrical specifications of the PVC6A203C01B00. Selection among active alternatives should prioritize product status and compliance requirements:
Primary Substitutes (Bourns Inc. Active Series): The 3362P-1-203LF and 3329H-1-203LF are active Bourns products with ROHS3 compliance and sealed construction. These represent direct manufacturer progression from the obsolete PVC6 series and maintain equivalent electrical performance with cermet resistive material.
Alternative Substitutes (TT Electronics/BI): The 25PR20KLF and 72PR20KLF are active TT Electronics products with RoHS compliance. The 25PR20KLF maintains comparable physical dimensions to the original part, while the 72PR20KLF features larger dimensions suitable for applications with less spatial constraints.
Secondary Substitute (Nidec Components): The CT-6ETV203 is an active Nidec product with ROHS3 compliance and MSL 1 rating, offering an alternative from a third manufacturer with equivalent electrical specifications.
Physical dimension variations among substitutes require PCB layout verification to ensure mechanical fit within existing designs. Cermet resistive material in substitute parts provides improved stability compared to the ceramic material of the original part.
Frequently Asked Questions (FAQ)
Q: Can I directly replace PVC6A203C01B00 with any of the listed substitutes?
A: All listed parts meet the core electrical requirements: 20 kOhms resistance, 0.5W power rating, ±10% tolerance, ±100ppm/°C temperature coefficient, 1 turn operation, and PC pin through-hole termination. Physical dimensions vary, requiring PCB layout verification for mechanical compatibility.
Q: What is the difference between ceramic and cermet resistive materials in these trimmer potentiometers?
A: The original PVC6A203C01B00 uses ceramic material, while most substitutes use cermet (ceramic-metal composite). Both materials meet the specified electrical parameters. Cermet material in substitute parts typically offers improved temperature stability and reliability characteristics.
Q: Which substitute offers the closest physical fit to the original PVC6A203C01B00?
A: The 25PR20KLF (0.270" x 0.270" square) and CT-6ETV203 (0.276" x 0.276" square) provide dimensions most similar to the original part (0.272" x 0.272" square). The 3362P-1-203LF offers rectangular dimensions (0.275" x 0.260"), while the 3329H-1-203LF is round (0.250" diameter), and the 72PR20KLF is larger (0.375" x 0.375" square).
Q: Are all substitutes RoHS compliant?
A: Yes. The PVC6A203C01B00 and all listed substitutes are RoHS compliant. The Bourns and Nidec parts carry ROHS3 certification, while the TT Electronics parts carry RoHS certification.
Q: What packaging options are available for these substitutes?
A: The 3362P-1-203LF, 3329H-1-203LF, and 25PR20KLF are supplied in tube packaging. The 72PR20KLF is supplied in bulk packaging. The CT-6ETV203 is supplied in tape and box (TB) packaging.
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