PVC6A503C01B00 Equivalent & Substitute Parts

Part Overview

The PVC6A503C01B00 is a 50 kOhms 0.5W through-hole trimmer potentiometer manufactured by Bourns Inc. with ceramic resistive material, 1-turn top adjustment, and PC pin termination. This part is classified as obsolete, making equivalent substitutes necessary for ongoing production and maintenance applications. Active alternatives with identical electrical specifications are available from both Bourns Inc. and TT Electronics/BI manufacturers.

Key Parameters

Parameter	Value
Resistance	50 kOhms
Power Rating	0.5W (1/2W)
Tolerance	±10%
Temperature Coefficient	±100ppm/°C
Number of Turns	1
Adjustment Type	Top Adjustment
Mounting Type	Through Hole
Termination Style	PC Pins
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitution eligibility is determined by matching the following critical parameters: resistance value (50 kOhms), power rating (0.5W), tolerance (±10%), temperature coefficient (±100ppm/°C), number of turns (1), adjustment type (top adjustment), mounting type (through hole), and termination style (PC pins). All listed substitutes meet these electrical and mechanical requirements. Variations in resistive material (ceramic vs. cermet), physical dimensions, and packaging format do not affect functional equivalence within the specified parameter set. Product status and compliance certifications are secondary considerations for component selection.

Parameter Comparison

Part Number	Manufacturer	Series	Resistance	Power (W)	Tolerance	Temp Coeff (ppm/°C)	Turns	Adjustment	Resistive Material	Mounting	Termination	RoHS Status	Product Status
PVC6A503C01B00	Bourns Inc.	PVC6	50 kOhms	0.5	±10%	±100	1	Top	Ceramic	Through Hole	PC Pins	ROHS3	Obsolete
3362P-1-503LF	Bourns Inc.	Trimpot® 3362 - Sealed	50 kOhms	0.5	±10%	±100	1	Top	Cermet	Through Hole	PC Pins	ROHS3	Active
3329H-1-503LF	Bourns Inc.	Trimpot® 3329 - Sealed	50 kOhms	0.5	±10%	±100	1	Top	Cermet	Through Hole	PC Pins	ROHS3	Active
25PR50KLF	TT Electronics/BI	25	50 kOhms	0.5	±10%	±100	1	Top	Cermet	Through Hole	PC Pins	RoHS	Active
72PMR50KLF	TT Electronics/BI	72	50 kOhms	0.5	±10%	±100	1	Top	Cermet	Through Hole	PC Pins	ROHS3	Active
72PR50KLF	Bourns Inc.	72	50 kOhms	0.5	±10%	±100	1	Top	Cermet	Through Hole	PC Pins	ROHS3	Active

Engineering Selection Recommendations

All substitute parts listed are active products with current manufacturing status, ensuring long-term availability and supply chain stability. The primary substitute from Bourns Inc. is 3362P-1-503LF, which maintains manufacturer continuity and carries ROHS3 compliance identical to the original part. The 3329H-1-503LF offers an alternative Bourns solution with sealed construction. TT Electronics/BI alternatives (25PR50KLF, 72PMR50KLF, 72PR50KLF) provide additional sourcing options with equivalent electrical performance. Selection between these options should consider PCB layout constraints, as physical dimensions vary: the original PVC6A503C01B00 measures 6.90mm x 6.90mm (square), while substitutes range from 6.35mm diameter (3329H-1-503LF) to 9.53mm x 9.53mm (72-series parts). All parts maintain ROHS3 or RoHS compliance and are suitable for direct functional replacement.

Frequently Asked Questions (FAQ)

Q: Can 3362P-1-503LF directly replace PVC6A503C01B00 on existing PCBs? A: Yes. Both parts share identical electrical specifications (50 kOhms, 0.5W, ±10% tolerance, ±100ppm/°C) and PC pin termination. The 3362P-1-503LF measures 6.99mm x 6.60mm versus the original 6.90mm x 6.90mm, representing negligible dimensional variance suitable for standard through-hole mounting.

Q: What is the difference between ceramic and cermet resistive materials in these substitutes? A: Both materials meet the specified electrical parameters. Cermet (ceramic-metal composite) used in substitute parts offers improved stability and sealed construction compared to ceramic. The functional performance within the stated tolerance and temperature coefficient remains equivalent.

Q: Are there packaging considerations when selecting substitutes? A: Yes. The original PVC6A503C01B00 is supplied in standard packaging. Substitutes are available in Tube (3362P-1-503LF, 3329H-1-503LF, 25PR50KLF) or Bulk (72PMR50KLF, 72PR50KLF) formats. Packaging selection should align with procurement and assembly requirements.

Q: Which substitute offers the best long-term availability? A: The 3362P-1-503LF (Bourns Trimpot® 3362 - Sealed) is recommended for long-term applications due to active product status, high inventory levels (65,900 pcs), sealed construction, and established market presence.

Q: Do all substitutes meet RoHS compliance requirements? A: Yes. All listed substitutes carry either ROHS3 or RoHS compliance certification, meeting current environmental and regulatory standards.

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