PVC6M503C01B00 Equivalent & Substitute Parts

Part Overview

The PVC6M503C01B00 is a 50 kOhms 0.5W through-hole trimmer potentiometer manufactured by Bourns Inc. with ceramic resistive material, PC pin termination, and top adjustment. 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	1.0
Adjustment Type	Top Adjustment
Mounting Type	Through Hole
Termination Style	PC Pins
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitution eligibility for the PVC6M503C01B00 is determined by strict equivalence across the following parameters: resistance value (50 kOhms), power rating (0.5W), tolerance (±10%), temperature coefficient (±100ppm/°C), number of turns (1.0), adjustment type (top adjustment), mounting type (through hole), and termination style (PC pins).

All identified substitutes match these core electrical and mechanical parameters. Variations in resistive material (ceramic to cermet), physical dimensions, and packaging format do not affect functional equivalence within the specified parameter set. Substitutes are classified as direct or similar based on product status and availability.

Parameter Comparison

Part Number	Manufacturer	Resistance	Power (W)	Tolerance	Temp Coeff	Turns	Resistive Material	Size / Dimension	Product Status	Inventory
PVC6M503C01B00	Bourns Inc.	50 kOhms	0.5	±10%	±100ppm/°C	1.0	Ceramic	Square 0.272" x 0.272" (6.90mm x 6.90mm)	Obsolete	1157 Pcs
3362U-1-503LF	Bourns Inc.	50 kOhms	0.5	±10%	±100ppm/°C	1.0	Cermet	Rectangular 0.275" x 0.260" (6.99mm x 6.60mm)	Active	2441 Pcs
3329H-1-503LF	Bourns Inc.	50 kOhms	0.5	±10%	±100ppm/°C	1.0	Cermet	Round 0.250" Dia (6.35mm)	Active	6384 Pcs
25PR50KLF	TT Electronics/BI	50 kOhms	0.5	±10%	±100ppm/°C	1.0	Cermet	Square 0.270" x 0.270" (6.86mm x 6.86mm)	Active	11557 Pcs
72PMR50KLF	TT Electronics/BI	50 kOhms	0.5	±10%	±100ppm/°C	1.0	Cermet	Square 0.375" x 0.375" (9.53mm x 9.53mm)	Active	1166 Pcs
72PR50KLF	Bourns Inc.	50 kOhms	0.5	±10%	±100ppm/°C	1.0	Cermet	Square 0.375" x 0.375" (9.53mm x 9.53mm)	Active	1341 Pcs

Engineering Selection Recommendations

The PVC6M503C01B00 is obsolete; active substitutes are required for new designs and ongoing production. Selection among available alternatives depends on physical space constraints and compliance requirements.

For applications requiring Bourns Inc. sourcing: 3362U-1-503LF (active, ROHS3 compliant, sealed Trimpot® 3362 series) is the primary direct substitute with comparable footprint. The 3329H-1-503LF (active, ROHS3 compliant, sealed Trimpot® 3329 series) offers a smaller round form factor at 0.250" diameter.

For applications permitting multi-source qualification: 25PR50KLF (TT Electronics/BI, active, RoHS compliant) provides a square footprint closely matching the original part dimensions (0.270" x 0.270"). The 72PR50KLF and 72PMR50KLF (TT Electronics/BI, active, ROHS3 compliant) are larger square packages (0.375" x 0.375") suitable for applications with less stringent space requirements.

All substitutes maintain ROHS3 or equivalent compliance. Cermet resistive material in active substitutes provides improved environmental stability compared to the original ceramic material.

Frequently Asked Questions (FAQ)

Q: Can the PVC6M503C01B00 be directly replaced with any of these substitutes?

A: Yes. All listed substitutes match the core electrical parameters: 50 kOhms resistance, 0.5W power rating, ±10% tolerance, ±100ppm/°C temperature coefficient, 1.0 turn adjustment, top adjustment type, through-hole mounting, and PC pin termination. Physical dimensions vary; verify PCB layout compatibility before selection.

Q: What is the difference between ceramic and cermet resistive materials in these parts?

A: Both materials meet the specified electrical parameters. Cermet (ceramic-metal composite) used in active substitutes provides enhanced environmental stability and temperature performance. The original PVC6M503C01B00 uses ceramic material. This material difference does not affect functional equivalence within the specified parameter set.

Q: Which substitute offers the closest physical match to the PVC6M503C01B00?

A: The 25PR50KLF (0.270" x 0.270" square) and 3362U-1-503LF (0.275" x 0.260" rectangular) provide the closest dimensional compatibility to the original 0.272" x 0.272" square footprint. The 3329H-1-503LF offers a significantly smaller 0.250" diameter round package.

Q: Are there packaging format differences among these substitutes?

A: Yes. The 3362U-1-503LF and 3329H-1-503LF are supplied in tube packaging. The 25PR50KLF is supplied in tube packaging. The 72PR50KLF and 72PMR50KLF are supplied in bulk packaging. Verify packaging requirements for your procurement and assembly processes.

Q: Do all substitutes meet RoHS compliance?

A: Yes. The PVC6M503C01B00 is ROHS3 compliant. All active substitutes are either ROHS3 compliant (3362U-1-503LF, 3329H-1-503LF, 72PR50KLF, 72PMR50KLF) or RoHS compliant (25PR50KLF). All meet current regulatory requirements.

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