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CT6P102 Trimmer Potentiometer - Equivalent & Substitute Parts
Part Overview
The CT6P102 is a 1 kOhm, 0.5W through-hole trimmer potentiometer manufactured by Vishay Beyschlag/Draloric/BC Components. This cermet-based trimmer features top adjustment with PC pin termination and is housed in a square 7.00mm x 7.00mm package. The product is currently obsolete, making equivalent substitutes necessary for ongoing production and maintenance applications requiring this specific resistance and power rating.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Resistance | 1 kOhms |
| Power Rating | 0.5W (1/2W) |
| Tolerance | ±10% |
| Temperature Coefficient | ±100ppm/°C |
| Number of Turns | 1 |
| Adjustment Type | Top Adjustment |
| Resistive Material | Cermet |
| Mounting Type | Through Hole |
| Termination Style | PC Pins |
| Package Dimensions | Square - 7.00mm x 7.00mm |
Substitute Part Grouping Explanation
Substitution eligibility for the CT6P102 is determined by strict equivalence across the following critical parameters:
- Resistance value: 1 kOhms (exact match required)
- Power rating: 0.5W / 1/2W (exact match required)
- Tolerance: ±10% (exact match required)
- Temperature coefficient: ±100ppm/°C (exact match required)
- Number of turns: 1 (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)
- Package form factor: Square configuration, approximately 7.00mm x 7.00mm (mechanical compatibility required)
Both identified substitutes meet all electrical and mechanical criteria for direct replacement in applications originally designed for the CT6P102.
Parameter Comparison
| Parameter | CT6P102 (Vishay) | CT-6EP102 (Nidec) | 3362P-1-102 (Bourns) |
|---|---|---|---|
| Resistance | 1 kOhms | 1 kOhms | 1 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 | Cermet | Cermet | Cermet |
| Mounting Type | Through Hole | Through Hole | Through Hole |
| Termination Style | PC Pins | PC Pins | PC Pins |
| Package Dimensions | Square - 7.00mm x 7.00mm | Square - 7.00mm x 7.00mm | Rectangular - 6.99mm x 6.60mm |
| Product Status | Obsolete | Active | Active |
| RoHS Status | Non-compliant | RoHS3 Compliant | Non-compliant |
| REACH Status | Unaffected | Unaffected | Affected |
Engineering Selection Recommendations
CT-6EP102 (Nidec Components Corporation) is the primary substitute for the obsolete CT6P102. This part maintains identical electrical specifications and package geometry while offering active product status and RoHS3 compliance. The CT-6EP102 is available in bulk packaging with substantial inventory (56,447 pcs), supporting production continuity.
3362P-1-102 (Bourns Inc. Trimpot® 3362 Series) is an alternative substitute meeting all electrical requirements. The package dimensions are nominally equivalent (6.99mm x 6.60mm rectangular versus 7.00mm x 7.00mm square), providing mechanical compatibility for through-hole PCB mounting. This part is available in tube packaging with active product status. Note that this substitute carries REACH Affected status, requiring compliance verification for applications subject to REACH regulations.
Frequently Asked Questions (FAQ)
Q: Can the CT-6EP102 be used as a direct replacement for the CT6P102?
A: Yes. The CT-6EP102 matches all electrical parameters (1 kOhm, 0.5W, ±10% tolerance, ±100ppm/°C temperature coefficient, 1 turn, top adjustment, cermet material, PC pin termination) and maintains identical package geometry. The part is electrically and mechanically interchangeable.
Q: What is the difference between the CT-6EP102 and 3362P-1-102 substitutes?
A: Both parts are electrically equivalent to the CT6P102. The primary differences are manufacturer (Nidec versus Bourns), package form factor (square versus rectangular, with minor dimensional variation), and regulatory compliance status. The CT-6EP102 offers RoHS3 compliance, while the 3362P-1-102 carries REACH Affected designation.
Q: Are there packaging differences that affect PCB layout?
A: The CT-6EP102 maintains the original square 7.00mm x 7.00mm footprint. The 3362P-1-102 uses a rectangular 6.99mm x 6.60mm package. Both are through-hole mounted with PC pin termination and are compatible with standard PCB hole spacing for this component class. Verify PCB artwork dimensions before substitution if layout tolerances are critical.
Q: Which substitute should be selected for new designs?
A: Selection depends on regulatory requirements and supply chain priorities. The CT-6EP102 is recommended for applications requiring RoHS3 compliance and maximum inventory availability. The 3362P-1-102 is suitable for applications where REACH compliance is not a constraint and Bourns component qualification is preferred.
Q: Is the ±10% tolerance maintained across all substitutes?
A: Yes. All three parts (CT6P102, CT-6EP102, and 3362P-1-102) specify ±10% tolerance and ±100ppm/°C temperature coefficient, ensuring equivalent performance in tolerance-sensitive applications.
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