CME375-4-B Common Mode Choke Equivalent & Substitute Parts

Part Overview

The CME375-4-B is a 2-line common mode choke manufactured by Triad Magnetics, designed for power line filtering applications. This through-hole component delivers 17.8 mH inductance at 10 kHz with a maximum current rating of 2.7A and 196 mOhm DC resistance. The part maintains Active product status and carries multiple international approvals including CSA, IEC, UL, and VDE certifications. Substitute parts are identified when equivalent electrical and mechanical parameters are maintained across the same product series, ensuring direct functional interchangeability in power line filtering circuits.

Substiute Parts

CME375-4-B

Triad MagneticsIn Stock: 905CME375-4-B Datasheet

Current PartRFQ

CME375-5-B

Triad MagneticsIn Stock: 809CME375-5-B Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the CME375-4-B are identified based on strict electrical and mechanical parameter matching within the CME series. The substitution criteria are:

Electrical Parameters (Must Match):

• Inductance: 17.8 mH @ 10 kHz
• Current Rating: 2.7A maximum
• DC Resistance: 196 mOhm maximum
• Number of Lines: 2
• AC Voltage Rating: 250V
• Operating Temperature Range: -40°C ~ 80°C

Mechanical Parameters (Must Match):

• Mounting Type: Through Hole
• Package Configuration: Vertical, 4 PC Pin
• Physical Dimensions: 1.500" L x 1.260" W (38.10mm x 32.00mm)
• Maximum Height: 1.180" (29.97mm)

Compliance Parameters (Must Match):

• RoHS Status: ROHS3 Compliant
• Approval Agencies: CSA, IEC, UL, VDE

The CME375-5-B meets all specified criteria and is classified as a parametric equivalent within the CME product series.

Parameter Comparison

Engineering Selection Recommendations

The CME375-5-B is a direct parametric equivalent to the CME375-4-B. Both components maintain identical electrical specifications, mechanical dimensions, and compliance certifications. Selection between these parts is based on availability and inventory status rather than functional differences.

Both parts carry Active product status and hold equivalent international approvals (CSA, IEC, UL, VDE), confirming suitability for regulated power line filtering applications. The ROHS3 compliance status is maintained across both variants, supporting use in environmentally regulated markets.

For applications requiring the CME375-4-B, the CME375-5-B provides full functional substitution without circuit redesign or board layout modification.

Frequently Asked Questions (FAQ)

Q: Can CME375-5-B replace CME375-4-B in existing designs?

A: Yes. The CME375-5-B is a parametric equivalent with identical inductance (17.8 mH @ 10 kHz), current rating (2.7A), DC resistance (196 mOhm), voltage rating (250V AC), operating temperature range (-40°C ~ 80°C), physical dimensions, and pin configuration. Direct substitution is supported without circuit modification.

Q: Are the physical dimensions identical between these parts?

A: Yes. Both parts share identical dimensions: 1.500" L x 1.260" W (38.10mm x 32.00mm) with maximum height of 1.180" (29.97mm). The package configuration is Vertical, 4 PC Pin for both variants, ensuring identical PCB footprint and mounting compatibility.

Q: Do both parts carry the same regulatory approvals?

A: Yes. Both CME375-4-B and CME375-5-B hold identical certifications: CSA, IEC, UL, and VDE. Both are ROHS3 compliant and REACH unaffected, supporting use in regulated markets without compliance concerns.

Q: What is the difference between CME375-4-B and CME375-5-B?

A: The parts are parametric equivalents within the CME series. All electrical and mechanical specifications are identical. Differences exist only in part number designation and inventory tracking within the Triad Magnetics product line.

Q: Is the DC resistance specification identical?

A: Yes. Both parts specify a maximum DC resistance of 196 mOhm, ensuring equivalent power dissipation and thermal performance in power line filtering circuits.