EVN-5CSX50B23 Equivalent & Substitute Parts

Part Overview

The EVN-5CSX50B23 is a 2 kOhms surface mount trimmer potentiometer manufactured by Panasonic Electronic Components. This carbon-based trimmer features 0.05W power rating, ±30% tolerance, and J Lead termination with top adjustment capability. The product is classified as obsolete, making identification of functionally equivalent alternatives essential for ongoing system support and component procurement.

Substiute Parts

EVN-5CSX50B23
Panasonic Electronic ComponentsIn Stock: 1237EVN-5CSX50B23 Datasheet
EVN-5CSX50B23
Current Part
3313J-1-202E
Bourns Inc.In Stock: 154403313J-1-202E Datasheet
3313J-1-202E
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Key Parameters

Parameter Value
Resistance 2 kOhms
Power Rating 0.05W (1/20W)
Tolerance ±30%
Temperature Coefficient ±500ppm/°C
Number of Turns 1
Adjustment Type Top Adjustment
Mounting Type Surface Mount
Termination Style J Lead
Resistive Material Carbon
Size Rectangular - 0.142" x 0.122" (3.60mm x 3.10mm)
MSL Rating 1 (Unlimited)

Substitute Part Grouping Explanation

Substitution of the EVN-5CSX50B23 is determined by the following critical parameters:

  • Resistance Value: Must be 2 kOhms
  • Termination Style: Must be J Lead
  • Mounting Type: Must be Surface Mount
  • Adjustment Type: Must be Top Adjustment
  • Number of Turns: Must be 1 Turn

The Bourns 3313J-1-202E meets all mandatory substitution criteria. While this substitute features a higher power rating (0.125W vs. 0.05W), improved tolerance (±20% vs. ±30%), and superior temperature coefficient (±100ppm/°C vs. ±500ppm/°C), these represent performance enhancements rather than incompatibilities. The substitute uses Cermet resistive material instead of carbon, which provides greater stability and reliability. Physical dimensions are comparable within standard PCB assembly tolerances.

Parameter Comparison

Parameter EVN-5CSX50B23 (Panasonic) 3313J-1-202E (Bourns)
Resistance 2 kOhms 2 kOhms
Power Rating 0.05W (1/20W) 0.125W (1/8W)
Tolerance ±30% ±20%
Temperature Coefficient ±500ppm/°C ±100ppm/°C
Number of Turns 1 1
Adjustment Type Top Adjustment Top Adjustment
Mounting Type Surface Mount Surface Mount
Termination Style J Lead J Lead
Resistive Material Carbon Cermet
Size 0.142" x 0.122" (3.60mm x 3.10mm) 0.138" x 0.126" (4.60mm x 3.20mm)
MSL Rating 1 (Unlimited) 1 (Unlimited)
Product Status Obsolete Active

Engineering Selection Recommendations

The Bourns 3313J-1-202E (3313J-1-202E) is the qualified substitute for the obsolete EVN-5CSX50B23. Selection is based on the following engineering factors:

Product Status: The EVN-5CSX50B23 is obsolete, whereas the 3313J-1-202E is active and maintains current manufacturing support and availability.

Compliance & Certifications: The 3313J-1-202E carries RoHS3 compliance and REACH Unaffected status, meeting modern regulatory requirements. Both parts share identical MSL ratings (1 - Unlimited), ensuring equivalent moisture handling during assembly.

Electrical Compatibility: Identical resistance value (2 kOhms) and single-turn adjustment ensure direct functional equivalence. The substitute's enhanced power rating (0.125W vs. 0.05W) and improved tolerance (±20% vs. ±30%) provide superior performance margins without introducing incompatibility.

Mechanical Compatibility: J Lead termination, surface mount configuration, and top adjustment mechanism are identical. Physical dimensions are within standard PCB assembly tolerances (4.60mm x 3.20mm vs. 3.60mm x 3.10mm).

Packaging: The 3313J-1-202E is supplied in Tape & Reel format, supporting automated assembly processes.

Frequently Asked Questions (FAQ)

Q: Can the Bourns 3313J-1-202E directly replace the Panasonic EVN-5CSX50B23 on existing PCBs?

A: Yes. Both parts share identical J Lead termination, surface mount configuration, and footprint compatibility within standard assembly tolerances. No PCB redesign is required.

Q: Why does the substitute have a higher power rating (0.125W vs. 0.05W)?

A: The Bourns Cermet-based design inherently supports higher power dissipation than the carbon-based Panasonic design. This represents a performance enhancement and does not create incompatibility. The circuit will operate identically at the original power levels.

Q: What is the significance of the tolerance difference (±20% vs. ±30%)?

A: The substitute offers tighter tolerance, meaning the actual resistance value will be closer to the nominal 2 kOhms specification. This improves circuit accuracy and is a beneficial characteristic for substitution.

Q: How does the temperature coefficient difference affect circuit performance?

A: The substitute's superior temperature coefficient (±100ppm/°C vs. ±500ppm/°C) means resistance variation across temperature extremes is reduced by approximately 80%. This provides enhanced stability, particularly in applications with wide operating temperature ranges.

Q: Are there any packaging considerations for the substitute?

A: The 3313J-1-202E is supplied in Tape & Reel packaging, which is standard for automated surface mount assembly. This format is compatible with standard pick-and-place equipment.

Q: What is the difference between carbon and Cermet resistive materials?

A: Carbon trimmers offer cost efficiency but exhibit higher temperature coefficients and wider tolerances. Cermet trimmers provide superior stability, tighter tolerances, and better long-term reliability. The Cermet substitute is the more stable choice for precision applications.

Q: Is the substitute RoHS compliant?

A: Yes. The Bourns 3313J-1-202E is RoHS3 compliant and REACH Unaffected, meeting current environmental and regulatory standards.

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