Bourns 3299P-1-504 Trimmer Potentiometer Equivalent & Substitute Parts

Part Overview

The Bourns 3299P-1-504 is a 500 kOhms, 0.5W through-hole trimmer potentiometer with PC pin termination and side adjustment capability. This sealed Trimpot® 3299 series component features cermet resistive material and 25-turn adjustment resolution, designed for precision tuning applications in electronic circuits. The part is currently active in production. Substitute parts may be required due to inventory availability, compliance requirements, or design optimization needs.

Substiute Parts

3299P-1-504

Bourns Inc.In Stock: 8053299P-1-504 Datasheet

Current PartRFQ

3299P-1-504LF

Bourns Inc.In Stock: 11873299P-1-504LF Datasheet

DirectRFQ

PV36P504C01B00

Bourns Inc.In Stock: 1289PV36P504C01B00 Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the 3299P-1-504 are classified based on electrical and mechanical parameter alignment:

Direct Manufacturer Substitute (3299P-1-504LF): Identical electrical specifications (500 kOhms, 0.5W, ±10% tolerance, ±100ppm/°C, 25-turn cermet) and mechanical form factor (0.240" x 0.375" face, PC pins, through-hole, side adjustment). The primary difference is RoHS compliance status: 3299P-1-504LF is ROHS3 compliant, while the original part is RoHS non-compliant.

Similar Manufacturer Substitute (PV36P504C01B00): Maintains all critical electrical parameters (500 kOhms, 0.5W, ±10% tolerance, ±100ppm/°C, 25-turn cermet, PC pins, through-hole, side adjustment). The mechanical form factor differs: face dimensions are 0.378" x 0.197" (9.60mm x 5.00mm) versus 0.240" x 0.375" (6.10mm x 9.53mm) on the original. This part belongs to the PV36 series and is ROHS3 compliant.

Key Parameters for Substitution: Resistance value, power rating, tolerance, temperature coefficient, number of turns, adjustment type, resistive material, mounting type, and termination style must remain constant. Physical dimensions and RoHS compliance may vary depending on application requirements.

Parameter Comparison

Engineering Selection Recommendations

3299P-1-504LF is the preferred direct substitute when RoHS3 compliance is required. It maintains identical electrical performance and mechanical form factor, ensuring drop-in compatibility with existing PCB layouts and circuit designs. Both parts are active products from Bourns Inc.

PV36P504C01B00 is suitable as an alternative when the different physical dimensions (0.378" x 0.197" face) are accommodated in the design. This part also provides ROHS3 compliance and identical electrical specifications. PCB layout modifications may be necessary due to the different form factor.

Selection between substitutes should be based on compliance requirements (RoHS status), available inventory, and physical space constraints on the PCB. All three parts are REACH affected and classified under ECCN EAR99.

Frequently Asked Questions (FAQ)

Q: Can 3299P-1-504LF be used as a direct replacement for 3299P-1-504?

A: Yes. The 3299P-1-504LF provides identical electrical specifications and mechanical dimensions. The primary difference is RoHS3 compliance on the LF variant. No circuit modifications are required.

Q: What is the main difference between 3299P-1-504 and PV36P504C01B00?

A: Both parts share identical electrical parameters (500 kOhms, 0.5W, ±10%, ±100ppm/°C, 25-turn cermet). The PV36P504C01B00 has different physical dimensions (0.378" x 0.197" face versus 0.240" x 0.375"), requiring PCB layout verification before substitution.

Q: Are all three parts interchangeable from an electrical standpoint?

A: Yes. All three parts have identical resistance, power rating, tolerance, temperature coefficient, number of turns, adjustment type, resistive material, mounting type, and termination style. Electrical performance is equivalent.

Q: Does the PV36P504C01B00 fit the same PCB footprint as the original 3299P-1-504?

A: No. The PV36P504C01B00 has different face dimensions and belongs to a different series (PV36 versus Trimpot® 3299). PCB layout must be verified for physical compatibility.

Q: Which substitute should I choose if RoHS compliance is mandatory?

A: Both 3299P-1-504LF and PV36P504C01B00 are ROHS3 compliant. Choose 3299P-1-504LF for direct form-factor compatibility, or PV36P504C01B00 if space constraints permit the different dimensions.

Q: Are packaging and inventory considerations the same for all three parts?

A: All three parts are supplied in tube packaging and are active products. Inventory levels vary: 3299P-1-504 (727 pcs), 3299P-1-504LF (1129 pcs), and PV36P504C01B00 (1226 pcs).