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CT6W102 Trimmer Potentiometer - Equivalent & Substitute Parts
Part Overview
The CT6W102 is a 1 kOhm, 0.5W through-hole trimmer potentiometer manufactured by Vishay Beyschlag/Draloric/BC Components. This cermet-based adjustment component features top-mounted access and PC pin termination for circuit board integration. The product is classified as obsolete, making equivalent substitutes necessary for ongoing production and maintenance applications. Substitute parts maintain identical electrical specifications and mechanical form factors to ensure direct replacement capability.
Substiute Parts
Key Parameters
| Parameter | Specification |
|---|---|
| Resistance Value | 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 |
| Face Dimension | Square - 0.276" x 0.276" (7.00mm x 7.00mm) |
Substitute Part Grouping Explanation
Substitute parts for the CT6W102 are qualified based on strict electrical and mechanical parameter matching:
Electrical Parameters (Must Match):
- Resistance value: 1 kOhms
- Power rating: 0.5W (1/2W)
- Tolerance: ±10%
- Temperature coefficient: ±100ppm/°C
- Number of turns: 1 turn
- Resistive material: Cermet
Mechanical Parameters (Must Match):
- Adjustment type: Top adjustment
- Mounting type: Through hole
- Termination style: PC pins
- Face dimension: Square configuration approximately 7.00mm x 7.00mm
All listed substitutes meet these criteria and are therefore electrically and mechanically interchangeable with the CT6W102.
Parameter Comparison
| Parameter | CT6W102 (Vishay) | CT-6EW102 (Nidec) | 3362H-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 |
| Face Dimension | 0.276" x 0.276" (7.00mm x 7.00mm) | 0.276" x 0.276" (7.00mm x 7.00mm) | 0.275" x 0.260" (6.99mm x 6.60mm) |
| Product Status | Obsolete | Active | Active |
| RoHS Status | Non-compliant | ROHS3 Compliant | Non-compliant |
Engineering Selection Recommendations
CT-6EW102 (Nidec Components Corporation): This substitute is the primary equivalent for the obsolete CT6W102. It maintains identical electrical and mechanical specifications with active product status. The CT-6EW102 is ROHS3 compliant, making it suitable for applications requiring RoHS certification. Inventory availability is substantial at 31,599 pieces.
3362H-1-102 (Bourns Inc.): This manufacturer-recommended substitute provides electrical equivalence with minor dimensional variation in the face profile (0.275" x 0.260" versus 0.276" x 0.276"). The rectangular face configuration remains compatible with through-hole PC pin mounting. This option is active and available in tube packaging with 996 pieces in stock. RoHS compliance status differs from the primary substitute.
Selection between these substitutes depends on RoHS compliance requirements and packaging preferences for your application.
Frequently Asked Questions (FAQ)
Q: Can CT-6EW102 and 3362H-1-102 be used interchangeably with CT6W102?
A: Both substitutes are electrically equivalent to the CT6W102, sharing identical resistance, power rating, tolerance, temperature coefficient, and adjustment characteristics. Mechanical compatibility is confirmed through matching mounting type, termination style, and adjustment access. Minor dimensional differences in the 3362H-1-102 face profile do not affect through-hole mounting compatibility.
Q: What is the significance of the face dimension difference in the 3362H-1-102?
A: The 3362H-1-102 has a rectangular face (0.275" x 0.260") compared to the square face (0.276" x 0.276") of the CT6W102 and CT-6EW102. Both configurations accommodate PC pin through-hole mounting and top adjustment access. The dimensional variation reflects different mechanical housing designs between manufacturers but does not affect electrical performance or functional compatibility.
Q: Are there RoHS compliance differences between the substitutes?
A: Yes. The CT-6EW102 is ROHS3 compliant, while both the CT6W102 and 3362H-1-102 are RoHS non-compliant. Applications requiring RoHS certification should specify the CT-6EW102 substitute.
Q: What packaging options are available for these substitutes?
A: CT-6EW102 is supplied in bulk packaging, while 3362H-1-102 is supplied in tube packaging. Packaging selection depends on production volume and handling requirements.
Q: Are the electrical tolerances identical across all three parts?
A: Yes. All three parts share ±10% tolerance and ±100ppm/°C temperature coefficient, ensuring consistent performance across temperature ranges and production batches.
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