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Bourns 3296Y-1-102 Trimmer Potentiometer: Equivalent & Substitute Parts
Part Overview
The Bourns 3296Y-1-102 is a 1 kOhm, 0.5W through-hole trimmer potentiometer with PC pin termination and top adjustment. This sealed Trimpot® 3296 series component features cermet resistive material and 25-turn adjustment capability. The part is currently active in production with 1561 units in stock. Substitute parts are necessary to address RoHS compliance requirements, manage supply chain alternatives, or accommodate design revisions that permit dimensional or series variations while maintaining core electrical functionality.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Resistance | 1 kOhms |
| Power Rating | 0.5W (1/2W) |
| Tolerance | ±10% |
| Temperature Coefficient | ±100ppm/°C |
| Number of Turns | 25 |
| Adjustment Type | Top Adjustment |
| Resistive Material | Cermet |
| Mounting Type | Through Hole |
| Termination Style | PC Pins |
Substitute Part Grouping Explanation
Substitution eligibility is determined by matching the following core electrical and mechanical parameters: resistance value (1 kOhms), power rating (0.5W), tolerance (±10%), temperature coefficient (±100ppm/°C), number of turns (25), adjustment type (top adjustment), resistive material (cermet), mounting type (through hole), and termination style (PC pins).
The substitute parts are grouped into two categories:
Direct Substitutes (Identical Electrical & Mechanical Specifications):
- 3296Y-1-102LF: Same series (Trimpot® 3296), identical dimensions, RoHS3 compliant variant
- 3299Y-1-102: Different series (Trimpot® 3299) with slightly larger face dimension (0.375" x 0.240" vs. 0.375" x 0.190"), functionally equivalent
Similar Substitutes (Cross-Series Alternatives):
- PV36W102C01B00: PV36 series, comparable dimensions (0.378" x 0.197"), RoHS3 compliant
- PV36Y102C01B00: PV36 series, comparable dimensions (0.378" x 0.197"), RoHS3 compliant
All substitute parts maintain identical electrical performance within the specified tolerance and temperature coefficient ranges.
Parameter Comparison
| Part Number | Manufacturer | Series | Resistance | Power (W) | Tolerance | Temp. Coeff. | Turns | Adj. Type | Material | Mount Type | Term. Style | Face Dimension | RoHS Status | Inventory |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 3296Y-1-102 | Bourns Inc. | Trimpot® 3296 | 1 kOhms | 0.5 | ±10% | ±100ppm/°C | 25 | Top | Cermet | Through Hole | PC Pins | 0.375" x 0.190" | Non-compliant | 1561 Pcs |
| 3296Y-1-102LF | Bourns Inc. | Trimpot® 3296 | 1 kOhms | 0.5 | ±10% | ±100ppm/°C | 25 | Top | Cermet | Through Hole | PC Pins | 0.375" x 0.190" | ROHS3 Compliant | 1670 Pcs |
| 3299Y-1-102 | Bourns Inc. | Trimpot® 3299 | 1 kOhms | 0.5 | ±10% | ±100ppm/°C | 25 | Top | Cermet | Through Hole | PC Pins | 0.375" x 0.240" | Non-compliant | 1249 Pcs |
| PV36W102C01B00 | Bourns Inc. | PV36 | 1 kOhms | 0.5 | ±10% | ±100ppm/°C | 25 | Top | Cermet | Through Hole | PC Pins | 0.378" x 0.197" | ROHS3 Compliant | 2200 Pcs |
| PV36Y102C01B00 | Bourns Inc. | PV36 | 1 kOhms | 0.5 | ±10% | ±100ppm/°C | 25 | Top | Cermet | Through Hole | PC Pins | 0.378" x 0.197" | ROHS3 Compliant | 2449 Pcs |
Engineering Selection Recommendations
For RoHS3 Compliance Requirement: Select 3296Y-1-102LF as the primary substitute. This part maintains identical electrical specifications and physical dimensions to the original 3296Y-1-102 while meeting ROHS3 compliance. It is the direct equivalent with the highest compatibility for existing PCB layouts and assembly processes.
For Cross-Series Substitution: The PV36W102C01B00 and PV36Y102C01B00 parts are functionally equivalent alternatives from the PV36 series. Both are ROHS3 compliant and feature comparable dimensions (0.378" x 0.197" vs. 0.375" x 0.190"). These parts are suitable when design flexibility permits series variation and when higher inventory availability is advantageous.
For Non-Compliant Applications: The 3299Y-1-102 (Trimpot® 3299 series) provides electrical equivalence with a slightly larger face dimension (0.375" x 0.240"). This part is suitable only when RoHS compliance is not required and PCB layout accommodates the increased height.
All substitute parts share identical ECCN (EAR99), HTSUS (8533.40.8050), and REACH affected status with the original part.
Frequently Asked Questions (FAQ)
Q: Can 3296Y-1-102LF be used as a direct replacement for 3296Y-1-102? A: Yes. The 3296Y-1-102LF is electrically and mechanically identical to the 3296Y-1-102, with the primary difference being RoHS3 compliance. No design changes are required.
Q: What is the dimensional difference between 3296Y-1-102 and 3299Y-1-102? A: The 3299Y-1-102 has a larger face dimension of 0.375" x 0.240" compared to 0.375" x 0.190" for the 3296Y-1-102. The height difference is 0.050 inches. Verify PCB layout clearance before substitution.
Q: Are PV36 series parts (PV36W102C01B00, PV36Y102C01B00) compatible with 3296Y designs? A: Yes, electrically and functionally. The PV36 series parts have comparable dimensions (0.378" x 0.197") and identical electrical specifications. Minor dimensional variations may require PCB layout verification for through-hole spacing and component clearance.
Q: Which substitute part has the highest inventory availability? A: PV36Y102C01B00 has the highest inventory at 2449 units, followed by PV36W102C01B00 at 2200 units.
Q: Do all substitute parts meet REACH compliance? A: Yes. All parts listed (original and substitutes) are REACH affected. RoHS compliance status varies: 3296Y-1-102LF, PV36W102C01B00, and PV36Y102C01B00 are ROHS3 compliant; 3296Y-1-102 and 3299Y-1-102 are non-compliant.
Q: Can these parts be used interchangeably in the same assembly? A: Electrical interchangeability is confirmed for all listed parts. Mechanical interchangeability depends on PCB layout tolerances and component clearance. Verify hole spacing and dimensional constraints before assembly.
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