PVZ3A303C01B00 Equivalent & Substitute Parts

Part Overview

The PVZ3A303C01B00 is a 30 kOhms, 0.1W surface mount trimmer potentiometer manufactured by Bourns Inc. with carbon resistive material and J lead termination. This part is classified as obsolete, making identification of suitable substitute components necessary for ongoing production and maintenance applications. The part operates with 1.0 turn top adjustment and is suitable for applications requiring precision resistance tuning in compact form factors.

Substiute Parts

PVZ3A303C01B00

Bourns Inc.In Stock: 1118PVZ3A303C01B00 Datasheet

Current PartRFQ

TC33X-J-303E

Bourns Inc.In Stock: 1181TC33X-J-303E Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the PVZ3A303C01B00 is based on the following critical parameters that must remain constant or compatible:

Resistance value (30 kOhms), power rating (0.1W), number of turns (1.0), adjustment type (top adjustment), mounting type (surface mount), and termination style (J lead) are the primary determinants for functional equivalence. The resistive material may vary between carbon and cermet formulations while maintaining electrical performance within acceptable tolerances for the application. Face dimensions may vary slightly between manufacturers while accommodating standard PCB footprints. Temperature coefficient and tolerance specifications define the precision class of the component and should be evaluated against circuit requirements.

The TC33X-J-303E qualifies as a direct substitute based on matching resistance, power rating, number of turns, adjustment type, mounting type, and termination style. The shift from carbon to cermet resistive material represents an upgrade in performance characteristics.

Parameter Comparison

Engineering Selection Recommendations

The TC33X-J-303E represents a functionally compatible substitute for the obsolete PVZ3A303C01B00. Both components maintain ROHS3 compliance and unlimited moisture sensitivity ratings, ensuring regulatory and environmental compatibility.

The primary consideration for substitution is the increased face dimension of the TC33X-J-303E (0.150" x 0.142" versus 0.126" x 0.122"). PCB layout verification is required to confirm adequate clearance in the target application. The shift from carbon to cermet resistive material in the substitute part provides improved temperature stability (±250ppm/°C versus ±500ppm/°C) and tighter tolerance (±25% versus ±30%), representing performance enhancements suitable for precision tuning applications.

Both parts are manufactured by Bourns Inc., ensuring consistent quality standards and supply chain reliability. The TC33X-J-303E is classified as active product status, providing long-term availability compared to the obsolete status of the original component.

Frequently Asked Questions (FAQ)

Q: Can the TC33X-J-303E be used as a direct replacement for the PVZ3A303C01B00?

A: Yes, the TC33X-J-303E is functionally compatible as a substitute. Both components share identical resistance value (30 kOhms), power rating (0.1W), number of turns (1.0), adjustment type (top adjustment), mounting type (surface mount), and termination style (J lead). The primary design consideration is the slightly larger face dimension of the substitute part.

Q: What is the difference between carbon and cermet resistive materials in trimmer potentiometers?

A: Carbon and cermet are both resistive materials used in trimmer potentiometers. The TC33X-J-303E uses cermet material, which provides superior temperature stability and tighter tolerance specifications compared to the carbon material in the PVZ3A303C01B00. Both materials are suitable for surface mount applications and deliver the specified 0.1W power rating.

Q: Will the larger face dimension of the TC33X-J-303E affect PCB compatibility?

A: The TC33X-J-303E has a face dimension of 0.150" x 0.142" compared to the PVZ3A303C01B00 at 0.126" x 0.122". PCB layout verification is necessary to confirm adequate clearance and component spacing in the target application. The J lead termination style remains identical between both parts.

Q: Are both parts RoHS compliant?

A: Yes, both the PVZ3A303C01B00 and TC33X-J-303E are ROHS3 compliant and carry unlimited moisture sensitivity ratings (MSL 1), meeting current environmental and regulatory requirements.

Q: What is the product status difference between these two parts?

A: The PVZ3A303C01B00 is classified as obsolete, while the TC33X-J-303E is classified as active product. The active status of the substitute part ensures continued availability and long-term supply chain support for production applications.