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TE Connectivity 416MA501P Trimmer Potentiometer Equivalent & Substitute Parts
Part Overview
The TE Connectivity 416MA501P is a 500 Ohm, 0.2W through-hole trimmer potentiometer with cermet resistive material, top adjustment, and PC pin termination. This component is classified as obsolete, making identification of equivalent substitute parts essential for ongoing production support, repair, and design continuity. The 416 series and Citec designation indicate legacy product lines no longer in active manufacturing. Substitute parts must maintain identical electrical specifications and mechanical compatibility to ensure direct replacement without circuit redesign.
Substiute Parts
Key Parameters
| Parameter | Specification |
|---|---|
| Resistance Value | 500 Ohms |
| Power Rating | 0.2W (1/5W) |
| Tolerance | ±25% |
| Temperature Coefficient | ±250ppm/°C |
| Number of Turns | 1 Turn |
| Adjustment Type | Top Adjustment |
| Resistive Material | Cermet |
| Mounting Type | Through Hole |
| Termination Style | PC Pins |
| Face Dimension | 0.319" x 0.268" (8.10mm x 6.80mm) |
| RoHS Status | ROHS3 Compliant |
| Moisture Sensitivity Level | 1 (Unlimited) |
Substitute Part Grouping Explanation
Substitution of the obsolete TE Connectivity 416MA501P is based on strict equivalence across all critical electrical and mechanical parameters. The substitute parts identified—Bourns 3306F-1-501 and Bourns 3306P-1-501—are qualified as direct replacements because they match the following key parameters without deviation:
- Resistance value: 500 Ohms
- Power rating: 0.2W (1/5W)
- Tolerance: ±25%
- Temperature coefficient: ±250ppm/°C
- Number of turns: 1 Turn
- Adjustment type: Top Adjustment
- Resistive material: Cermet
- Mounting type: Through Hole
- Termination style: PC Pins
- Physical dimensions: Rectangular 0.319" x 0.268" face (8.10mm x 6.80mm)
- RoHS compliance: ROHS3 Compliant
- Moisture sensitivity level: 1 (Unlimited)
Both Bourns Trimpot® 3306 series variants are active products with established supply chains, providing long-term availability and design continuity for applications currently using the 416MA501P.
Parameter Comparison
| Parameter | 416MA501P (TE Connectivity) | 3306F-1-501 (Bourns) | 3306P-1-501 (Bourns) |
|---|---|---|---|
| Resistance | 500 Ohms | 500 Ohms | 500 Ohms |
| Power Rating | 0.2W (1/5W) | 0.2W (1/5W) | 0.2W (1/5W) |
| Tolerance | ±25% | ±25% | ±25% |
| Temperature Coefficient | ±250ppm/°C | ±250ppm/°C | ±250ppm/°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 | 0.319" x 0.268" (8.10mm x 6.80mm) | 0.319" x 0.268" (8.10mm x 6.80mm) | 0.319" x 0.268" (8.10mm x 6.80mm) |
| RoHS Status | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant |
| Moisture Sensitivity Level | 1 (Unlimited) | 1 (Unlimited) | 1 (Unlimited) |
| Product Status | Obsolete | Active | Active |
| REACH Status | Vendor Undefined | REACH Unaffected | REACH Unaffected |
Engineering Selection Recommendations
The TE Connectivity 416MA501P is obsolete and no longer manufactured. Both Bourns substitute parts—3306F-1-501 and 3306P-1-501—are active products with confirmed ROHS3 compliance and REACH unaffected status, providing regulatory assurance for new designs and ongoing production.
The 3306F-1-501 and 3306P-1-501 are functionally and mechanically identical across all specified parameters. Selection between these two Bourns variants should be based on internal procurement policies, supplier agreements, and packaging preferences, as both deliver equivalent electrical performance and physical compatibility with the original 416MA501P design.
Both substitute parts are available in production quantities, supporting immediate implementation in replacement and redesign scenarios.
Frequently Asked Questions (FAQ)
Q: Can the Bourns 3306F-1-501 or 3306P-1-501 be used as direct replacements for the TE Connectivity 416MA501P without circuit modification?
A: Yes. Both Bourns parts are direct replacements. All electrical parameters (resistance, power rating, tolerance, temperature coefficient, number of turns) and mechanical specifications (dimensions, mounting type, termination style, adjustment type) are identical. No circuit redesign is required.
Q: What is the difference between the 3306F-1-501 and 3306P-1-501?
A: Both parts are functionally equivalent with identical electrical and mechanical specifications. The difference lies in the base product number designation (3306F versus 3306P), which may reflect internal Bourns product line categorization. Consult Bourns documentation or your supplier for specific packaging or configuration details if required.
Q: Are the substitute parts RoHS compliant?
A: Yes. Both the 3306F-1-501 and 3306P-1-501 are ROHS3 compliant. The original 416MA501P is also ROHS3 compliant, ensuring regulatory continuity.
Q: What is the physical footprint compatibility?
A: The substitute parts maintain the identical rectangular face dimension of 0.319" x 0.268" (8.10mm x 6.80mm) and through-hole PC pin termination. PCB layouts designed for the 416MA501P require no modification for either Bourns substitute.
Q: Are there any moisture sensitivity concerns with the substitute parts?
A: No. Both substitute parts carry Moisture Sensitivity Level 1 (Unlimited), identical to the original 416MA501P. Standard handling and storage practices apply.
Q: What is the temperature operating range for these parts?
A: All three parts share a temperature coefficient of ±250ppm/°C. Consult the respective manufacturer datasheets for absolute maximum operating temperature specifications.
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