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3362P-1-104RLF Equivalent & Substitute Parts
Part Overview
The Bourns 3362P-1-104RLF is a 100 kOhm, 0.5W through-hole trimmer potentiometer with top adjustment, designed for PC pin termination in sealed applications. This component is classified as Active product status and is RoHS3 compliant. Equivalent and substitute parts are identified when component availability is limited, supply chain disruptions occur, or design flexibility permits functional alternatives that maintain electrical and mechanical compatibility within specified tolerance ranges.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Resistance | 100 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 |
| RoHS Status | ROHS3 Compliant |
Substitute Part Grouping Explanation
Substitution eligibility for the 3362P-1-104RLF is determined by strict equivalence across the following critical parameters:
- Resistance value: 100 kOhms (exact match required)
- Power rating: 0.5W minimum
- Tolerance: ±10% or better
- Temperature coefficient: ±100ppm/°C or better
- Number of turns: 1 turn (single-turn operation)
- Adjustment type: Top adjustment access
- Resistive material: Cermet composition
- Mounting: Through-hole configuration
- Termination: PC pin style
The 25PR100KLF from TT Electronics / BI Technologies meets all substitution criteria. Both components share identical electrical specifications, cermet resistive elements, single-turn adjustment, and PC pin termination. Physical dimensions differ slightly (rectangular 6.99mm × 6.60mm versus square 6.86mm × 6.86mm), which remains compatible with standard PCB footprints designed for 0.275" to 0.270" face dimensions.
Parameter Comparison
| Parameter | 3362P-1-104RLF (Bourns) | 25PR100KLF (TT Electronics / BI Technologies) |
|---|---|---|
| Resistance | 100 kOhms | 100 kOhms |
| Power Rating | 0.5W | 0.5W |
| Tolerance | ±10% | ±10% |
| Temperature Coefficient | ±100ppm/°C | ±100ppm/°C |
| Number of Turns | 1 | 1 |
| Adjustment Type | Top Adjustment | Top Adjustment |
| Resistive Material | Cermet | Cermet |
| Mounting Type | Through Hole | Through Hole |
| Termination Style | PC Pins | PC Pins |
| Face Dimension | 0.275" × 0.260" (6.99mm × 6.60mm) | 0.270" × 0.270" (6.86mm × 6.86mm) |
| RoHS Status | ROHS3 Compliant | RoHS Compliant |
Engineering Selection Recommendations
Both the 3362P-1-104RLF and 25PR100KLF are Active product status components suitable for direct substitution based on electrical parameter equivalence. The 3362P-1-104RLF carries ROHS3 compliance certification, while the 25PR100KLF maintains RoHS compliance. Selection between these components should be based on availability, packaging format (Bulk versus Tube), and PCB layout accommodation of minor dimensional variations. The 25PR100KLF square geometry (6.86mm × 6.86mm) differs from the rectangular profile of the 3362P-1-104RLF (6.99mm × 6.60mm); both dimensions remain within standard through-hole trimmer potentiometer footprint tolerances.
Frequently Asked Questions (FAQ)
Q: Can the 25PR100KLF replace the 3362P-1-104RLF in existing designs?
A: Yes. Both components share identical electrical specifications (100 kOhms, 0.5W, ±10% tolerance, ±100ppm/°C temperature coefficient), single-turn top adjustment, cermet resistive material, and PC pin termination. Physical dimensions are comparable within standard PCB footprint tolerances.
Q: What are the key differences between these two parts?
A: The primary differences are manufacturer (Bourns versus TT Electronics / BI Technologies), packaging format (Bulk versus Tube), physical geometry (rectangular versus square face), and regulatory compliance designation (ROHS3 versus RoHS). Electrical performance and functional operation are equivalent.
Q: Are there any compatibility concerns with PCB layout?
A: The 25PR100KLF square profile (6.86mm × 6.86mm) is slightly smaller than the 3362P-1-104RLF rectangular profile (6.99mm × 6.60mm). Standard PCB footprints designed for 0.275" trimmer potentiometers accommodate both geometries without modification.
Q: Do both parts meet the same regulatory requirements?
A: Both components are RoHS compliant. The 3362P-1-104RLF carries ROHS3 certification, while the 25PR100KLF carries standard RoHS certification. Both are EAR99 classified and share the same HTSUS code (8533.40.8050).
Q: What packaging options are available?
A: The 3362P-1-104RLF is supplied in Bulk packaging, while the 25PR100KLF is supplied in Tube packaging. Packaging selection depends on assembly process requirements and inventory management practices.
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