TE Connectivity 3150W101P Trimmer Potentiometer Equivalent & Substitute Parts

Part Overview

The TE Connectivity 3150W101P is a 100 Ohm, 0.2W surface mount trimmer potentiometer featuring J Lead termination and top adjustment capability. This component is classified as obsolete, necessitating identification of active equivalent alternatives for new designs and ongoing production requirements. The part utilizes cermet resistive material with 1.0 turn adjustment and is suitable for applications requiring precision variable resistance in compact form factors.

Substiute Parts

3150W101P

TE Connectivity Passive ProductIn Stock: 7593150W101P Datasheet

Current PartRFQ

TC33X-2-101E

Bourns Inc.In Stock: 2979TC33X-2-101E Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the obsolete 3150W101P is based on electrical and mechanical parameter alignment within the trimmer potentiometer category. The critical substitution criteria are:

Electrical Parameters (Must Match):

• Resistance value: 100 Ohms
• Tolerance: ±25%
• Temperature Coefficient: ±250ppm/°C
• Number of Turns: 1.0
• Resistive Material: Cermet

Mechanical Parameters (Must Match):

• Mounting Type: Surface Mount
• Termination Style: J Lead
• Adjustment Type: Top Adjustment

Allowable Variance:

• Power Rating: The substitute may operate at lower power ratings provided the application does not exceed the substitute's power specification
• Physical Dimensions: Minor dimensional differences are acceptable if the component maintains surface mount compatibility and fits within the same footprint envelope

The Bourns TC33X-2-101E meets all critical electrical parameters and mechanical requirements, with the exception of a reduced power rating (0.1W versus 0.2W). This substitute is suitable for applications where the actual power dissipation does not exceed 0.1W.

Parameter Comparison

Engineering Selection Recommendations

The Bourns TC33X-2-101E serves as the primary equivalent for the obsolete TE Connectivity 3150W101P based on the following engineering criteria:

Electrical Compatibility: All critical electrical specifications align, including resistance value, tolerance, temperature coefficient, and turn count. The cermet resistive material ensures consistent performance characteristics across the operating temperature range.

Mechanical Compatibility: Both components feature identical J Lead termination and top adjustment configuration, enabling direct functional replacement in surface mount applications. The TC33X-2-101E occupies a smaller footprint, which presents no compatibility issues for existing PCB layouts designed for the larger 3150W101P.

Regulatory Compliance: The TC33X-2-101E maintains ROHS3 compliance and MSL 1 rating, matching the environmental and regulatory requirements of the original component. Both components carry identical ECCN and HTSUS classifications.

Product Status: The TC33X-2-101E is actively manufactured and stocked, eliminating supply chain risk associated with the obsolete 3150W101P. Active product status ensures long-term availability and consistent quality.

Power Rating Consideration: The TC33X-2-101E operates at 0.1W maximum, compared to the 3150W101P at 0.2W. Selection of this substitute requires confirmation that actual circuit power dissipation does not exceed 0.1W. Applications with power dissipation between 0.1W and 0.2W require alternative component evaluation.

Frequently Asked Questions (FAQ)

Q: Can the TC33X-2-101E directly replace the 3150W101P in existing designs?

A: Direct replacement is possible for applications where power dissipation does not exceed 0.1W. The electrical specifications, termination style, and adjustment mechanism are identical. The smaller physical footprint of the TC33X-2-101E presents no compatibility issues for PCB layouts designed for the larger original component.

Q: What is the primary difference between these two components?

A: The primary difference is power rating. The 3150W101P is rated at 0.2W, while the TC33X-2-101E is rated at 0.1W. All other electrical and mechanical parameters are equivalent.

Q: How do I determine if the lower power rating of the TC33X-2-101E is acceptable?

A: Calculate the maximum power dissipation in your application using the formula P = V²/R or P = I²R, where V is the applied voltage across the potentiometer and I is the current through it. If the calculated power does not exceed 0.1W, the TC33X-2-101E is suitable.

Q: Are there any PCB layout considerations when substituting the TC33X-2-101E?

A: The TC33X-2-101E is physically smaller than the 3150W101P. Existing PCB footprints designed for the 3150W101P will accommodate the TC33X-2-101E without modification. Verify that the J Lead termination alignment matches your PCB pad configuration.

Q: What is the packaging format for the TC33X-2-101E?

A: The TC33X-2-101E is available in Cut Tape (CT) and Digi-Reel® packaging formats, suitable for both manual and automated assembly processes.

Q: Are both components RoHS compliant?

A: Yes, both the 3150W101P and TC33X-2-101E are ROHS3 compliant and carry MSL 1 (Unlimited) moisture sensitivity ratings.