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CT6P200 Trimmer Potentiometer - Equivalent & Substitute Parts
Part Overview
The CT6P200 is a 20 Ohm, 0.5W through-hole trimmer potentiometer manufactured by Vishay Beyschlag/Draloric/BC Components. This cermet-based, single-turn top-adjustment component features PC pin termination and is designed for precision resistance tuning applications. The CT6P200 is classified as obsolete, making identification of functionally equivalent active alternatives essential for new designs and ongoing production support.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Resistance | 20 Ohms |
| Power Rating | 0.5W (1/2W) |
| Tolerance | ±10% |
| Temperature Coefficient | ±250ppm/°C |
| Number of Turns | 1 Turn |
| Adjustment Type | Top Adjustment |
| Resistive Material | Cermet |
| Mounting Type | Through Hole |
| Termination Style | PC Pins |
| Face Dimension | Square - 0.276" x 0.276" (7.00mm x 7.00mm) |
Substitute Part Grouping Explanation
Substitution of the CT6P200 is determined by strict equivalence across the following critical parameters:
- Resistance Value: 20 Ohms (exact match required)
- Power Rating: 0.5W / 1/2W (exact match required)
- Tolerance: ±10% (exact match required)
- Number of Turns: 1 Turn (exact match required)
- Adjustment Type: Top Adjustment (exact match required)
- Resistive Material: Cermet (exact match required)
- Mounting Type: Through Hole (exact match required)
- Termination Style: PC Pins (exact match required)
The 3362P-1-200 manufactured by Bourns Inc. meets all mandatory substitution criteria. While minor dimensional variations exist (rectangular vs. square face geometry), both components maintain functional compatibility within standard PCB layout tolerances for through-hole trimmer potentiometers.
Parameter Comparison
| Parameter | CT6P200 (Vishay) | 3362P-1-200 (Bourns) | Compatibility |
|---|---|---|---|
| Resistance | 20 Ohms | 20 Ohms | Equivalent |
| Power Rating | 0.5W | 0.5W | Equivalent |
| Tolerance | ±10% | ±10% | Equivalent |
| Temperature Coefficient | ±250ppm/°C | ±100ppm/°C | Compatible (3362P-1-200 superior) |
| Number of Turns | 1 | 1 | Equivalent |
| Adjustment Type | Top Adjustment | Top Adjustment | Equivalent |
| Resistive Material | Cermet | Cermet | Equivalent |
| Mounting Type | Through Hole | Through Hole | Equivalent |
| Termination Style | PC Pins | PC Pins | Equivalent |
| Face Dimension | Square - 0.276" x 0.276" (7.00mm x 7.00mm) | Rectangular - 0.275" x 0.260" (6.99mm x 6.60mm) | Compatible (minor geometry difference) |
| Product Status | Obsolete | Active | 3362P-1-200 recommended for new designs |
| RoHS Status | Non-compliant | Non-compliant | Equivalent |
Engineering Selection Recommendations
The 3362P-1-200 is the direct functional equivalent for CT6P200 replacement. Selection rationale is based on the following engineering factors:
Product Status: The CT6P200 is obsolete with no active manufacturing. The 3362P-1-200 maintains active production status, ensuring long-term availability and supply chain continuity.
Electrical Equivalence: Both components deliver identical resistance (20 Ohms), power handling (0.5W), tolerance (±10%), and single-turn adjustment characteristics. The 3362P-1-200 provides superior temperature stability (±100ppm/°C vs. ±250ppm/°C), which represents a performance advantage in temperature-sensitive applications.
Mechanical Compatibility: Both components are through-hole mounted with PC pin termination. Face dimensions differ slightly (square vs. rectangular geometry), but both fit standard 0.1" grid PCB layouts. Existing footprints may require minor adjustment to accommodate the rectangular profile of the 3362P-1-200.
Compliance: Both components are RoHS non-compliant and carry identical ECCN and HTSUS classifications. The 3362P-1-200 is REACH Affected, whereas the CT6P200 is REACH Unaffected; this distinction must be evaluated against end-product regulatory requirements.
Frequently Asked Questions (FAQ)
Q: Can the 3362P-1-200 be used as a direct drop-in replacement for the CT6P200?
A: The 3362P-1-200 is electrically and functionally equivalent. Mechanical compatibility depends on PCB layout. The rectangular face geometry (0.275" x 0.260") differs from the square CT6P200 face (0.276" x 0.276"), but both fit standard through-hole grid spacing. Verify PCB footprint clearances before implementation.
Q: What is the significance of the temperature coefficient difference?
A: The CT6P200 exhibits ±250ppm/°C temperature drift, while the 3362P-1-200 exhibits ±100ppm/°C. In applications requiring stable resistance across temperature ranges, the 3362P-1-200 provides superior performance. For applications with loose temperature stability requirements, both are functionally acceptable.
Q: Are there any compliance differences between these parts?
A: Both components are RoHS non-compliant and share identical ECCN (EAR99) and HTSUS (8533.40.8050) classifications. The 3362P-1-200 is REACH Affected, while the CT6P200 is REACH Unaffected. Regulatory compliance assessment must account for end-product destination and applicable standards.
Q: Why is the CT6P200 listed as obsolete?
A: The CT6P200 is no longer manufactured by Vishay Beyschlag/Draloric/BC Components. Existing inventory may be available through authorized distributors, but new production is not supported. The 3362P-1-200 from Bourns represents the active alternative for ongoing designs.
Q: What packaging is available for the 3362P-1-200?
A: The 3362P-1-200 is supplied in Tube packaging. The CT6P200 packaging specification was not provided in the original documentation.
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