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CT6P502 Equivalent & Substitute Parts Reference
Part Overview
The CT6P502 is a 5 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 maintenance, repair, and legacy system support where original stock is depleted or unavailable.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Resistance | 5 kOhms |
| Power Rating | 0.5W (1/2W) |
| Tolerance | ±10% |
| Temperature Coefficient | ±100ppm/°C |
| Number of Turns | 1 Turn |
| Adjustment Type | Top Adjustment |
| Resistive Material | Cermet |
| Mounting Type | Through Hole |
| Termination Style | PC Pins |
| Package Dimensions | Square - 7.00mm x 7.00mm |
| Moisture Sensitivity Level | MSL 1 (Unlimited) |
Substitute Part Grouping Explanation
Substitution eligibility for the CT6P502 is determined by strict equivalence across the following critical parameters:
- Resistance value: 5 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 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)
- 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 CT6P502.
Parameter Comparison
| Parameter | CT6P502 (Vishay) | CT-6EP502 (Nidec) | 3362P-1-502 (Bourns) |
|---|---|---|---|
| Resistance | 5 kOhms | 5 kOhms | 5 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 | 7.00mm x 7.00mm (Square) | 7.00mm x 7.00mm (Square) | 6.99mm x 6.60mm (Rectangular) |
| Product Status | Obsolete | Active | Active |
| RoHS Status | Non-compliant | RoHS3 Compliant | Non-compliant |
| REACH Status | Unaffected | Unaffected | Affected |
Engineering Selection Recommendations
CT-6EP502 (Nidec Components Corporation) is the primary substitute for the CT6P502. This part maintains identical electrical specifications and package geometry while offering active product status and RoHS3 compliance. The CT-6EP502 is available in bulk packaging with substantial inventory (44,337 pcs), ensuring supply continuity for production and repair applications.
3362P-1-502 (Bourns Inc.) is an alternative substitute that meets all electrical requirements. This part is supplied in tube packaging and maintains active product status. The package dimensions differ slightly (6.99mm x 6.60mm rectangular versus 7.00mm x 7.00mm square), requiring mechanical fit verification in space-constrained applications. The 3362P-1-502 carries REACH Affected status, necessitating compliance review for regulated markets.
Selection between these substitutes should prioritize the CT-6EP502 for applications requiring RoHS compliance and identical package geometry. The 3362P-1-502 remains viable where mechanical tolerance permits the rectangular form factor and REACH compliance is not a constraint.
Frequently Asked Questions (FAQ)
Q: Can the CT-6EP502 be used as a direct replacement for the CT6P502?
A: Yes. The CT-6EP502 matches all electrical parameters (5 kOhms, 0.5W, ±10% tolerance, ±100ppm/°C temperature coefficient, 1-turn cermet construction) and maintains identical package geometry (7.00mm x 7.00mm square). PC pin termination and through-hole mounting are identical. No circuit modifications are required.
Q: What is the difference between the CT-6EP502 and 3362P-1-502?
A: Both parts are electrically equivalent with identical resistance, power rating, tolerance, and temperature coefficient. The primary difference is package form factor: the CT-6EP502 maintains the original square 7.00mm x 7.00mm geometry, while the 3362P-1-502 uses a rectangular 6.99mm x 6.60mm package. Additionally, the CT-6EP502 is RoHS3 compliant, whereas the 3362P-1-502 is RoHS non-compliant and REACH Affected.
Q: Is the CT6P502 still available?
A: The CT6P502 is classified as obsolete. While 958 pcs remain in current inventory, long-term availability cannot be assured. The CT-6EP502 and 3362P-1-502 are active products with established supply chains and higher inventory levels.
Q: Does the rectangular package of the 3362P-1-502 affect compatibility?
A: The 3362P-1-502 dimensions (6.99mm x 6.60mm) are mechanically similar to the original square package (7.00mm x 7.00mm). Compatibility depends on PCB layout constraints and mechanical clearances in the specific application. Verify board-level fit before deployment.
Q: Are there RoHS compliance considerations for these substitutes?
A: The CT-6EP502 is RoHS3 compliant, suitable for regulated markets and modern supply chain requirements. The 3362P-1-502 is RoHS non-compliant and REACH Affected, requiring compliance assessment for applications subject to environmental regulations.
Q: What packaging formats are available for these substitutes?
A: The CT-6EP502 is supplied in bulk packaging. The 3362P-1-502 is supplied in tube packaging. Packaging selection may influence procurement logistics and handling procedures.
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