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Honeywell 380C310K Potentiometer - Equivalent & Substitute Parts
Part Overview
The Honeywell 380C310K is a 10k Ohm, 2-watt linear panel mount potentiometer with conductive plastic resistive material and solder lug termination. This component is classified as obsolete, necessitating identification of active equivalent parts for ongoing procurement and system maintenance. The 380 series potentiometer is designed for user-defined adjustment applications requiring 1-gang, single-turn operation with panel mounting configuration.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Resistance | 10k Ohm |
| Power Rating | 2W |
| Taper | Linear |
| Number of Gangs | 1 |
| Number of Turns | 1 |
| Termination Style | Solder Lug |
| Mounting Type | Panel Mount |
| Bushing Thread | 3/8-32 |
| Actuator Type | Slotted |
| Tolerance | ±10% |
Substitute Part Grouping Explanation
Substitution eligibility for the Honeywell 380C310K is determined by strict equivalence across the following critical parameters:
Mandatory Matching Parameters:
- Resistance value: 10k Ohm
- Power rating: 2W
- Taper type: Linear
- Number of gangs: 1
- Number of turns: 1
- Termination style: Solder Lug
- Mounting type: Panel Mount
- Bushing thread: 3/8-32
- Actuator type: Slotted
- Tolerance: ±10%
The RV4NAYSD103A from Precision Electronics Corporation meets all mandatory substitution criteria. While the resistive material differs (carbon versus conductive plastic), both materials satisfy the electrical performance requirements for this resistance and power rating classification. Mechanical dimensions remain within acceptable tolerance ranges for panel mount applications.
Parameter Comparison
| Parameter | 380C310K (Honeywell) | RV4NAYSD103A (Precision Electronics) | Compatibility |
|---|---|---|---|
| Resistance (Ohms) | 10k | 10k | Match |
| Power (Watts) | 2W | 2W | Match |
| Tolerance | ±10% | ±10% | Match |
| Taper | Linear | Linear | Match |
| Number of Gangs | 1 | 1 | Match |
| Number of Turns | 1 | 1 | Match |
| Termination Style | Solder Lug | Solder Lug | Match |
| Mounting Type | Panel Mount | Panel Mount | Match |
| Bushing Thread | 3/8-32 | 3/8-32 | Match |
| Actuator Type | Slotted | Slotted | Match |
| Actuator Length | 0.875" (22.23mm) | 0.875" (22.23mm) | Match |
| Actuator Diameter | 0.250" (6.35mm) | 0.249" (6.32mm) | Compatible |
| Body Diameter | 1.094" (27.79mm) | 1.120" (28.45mm) | Compatible |
| Resistive Material | Conductive Plastic | Carbon | Different |
| Product Status | Obsolete | Active | Substitute Available |
| RoHS Status | RoHS Compliant | ROHS3 Compliant | Compatible |
Engineering Selection Recommendations
The RV4NAYSD103A is a direct functional equivalent for the obsolete Honeywell 380C310K based on electrical and mechanical parameter alignment. The substitute part is currently in active production status with 2000 units available in inventory, ensuring supply chain continuity.
Compliance Considerations:
- Both parts maintain RoHS compliance (380C310K: RoHS Compliant; RV4NAYSD103A: ROHS3 Compliant)
- Both parts carry identical ECCN (EAR99) and HTSUS (8533.40.8070) classifications
- RV4NAYSD103A includes REACH Unaffected status, confirming regulatory alignment
Material Difference: The resistive material transition from conductive plastic to carbon does not affect substitution validity within the specified electrical parameters. Both materials deliver equivalent performance at 10k Ohm resistance and 2W power rating for linear taper applications.
Mechanical Fit: Actuator diameter variance (0.250" to 0.249") and body diameter variance (1.094" to 1.120") fall within standard mechanical tolerances for panel mount potentiometer applications and do not compromise installation compatibility.
Frequently Asked Questions (FAQ)
Q: Can the RV4NAYSD103A replace the 380C310K in existing designs?
A: Yes. The RV4NAYSD103A meets all mandatory electrical and mechanical parameters: 10k Ohm resistance, 2W power rating, linear taper, 1-gang single-turn configuration, solder lug termination, 3/8-32 bushing thread, and panel mount design. Mechanical dimensions are compatible within standard tolerances.
Q: Does the resistive material change from conductive plastic to carbon affect performance?
A: No. Both conductive plastic and carbon resistive materials deliver equivalent electrical performance at the specified 10k Ohm, 2W rating and linear taper. Material selection does not alter substitution eligibility for this application class.
Q: Are there compliance or certification differences between the two parts?
A: Both parts maintain RoHS compliance and carry identical ECCN and HTSUS classifications. The RV4NAYSD103A includes REACH Unaffected status. No compliance barriers exist for substitution.
Q: What is the inventory status for the substitute part?
A: The RV4NAYSD103A is in active production with 2000 units available in new original stock, compared to the obsolete 380C310K status.
Q: Are there any dimensional incompatibilities?
A: No. Actuator diameter (0.250" vs 0.249") and body diameter (1.094" vs 1.120") variations are within standard mechanical tolerances for panel mount potentiometer applications and do not affect installation or functionality.
Q: What packaging is available for the substitute part?
A: The RV4NAYSD103A is supplied in bulk packaging, suitable for production and replacement applications.
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