TE Connectivity 1546226-4 Terminal Block Plug Equivalent & Substitute Parts

Part Overview

The TE Connectivity 1546226-4 is a 4-position terminal block plug designed for unshrouded headers with 0.197" (5.00mm) pitch spacing and 90° wire entry orientation. This component features screw-type rising cage clamp termination and free-hanging in-line mounting configuration. The part is classified as obsolete, necessitating identification of active equivalent alternatives for ongoing procurement and system integration requirements.

Substiute Parts

1546226-4

TE Connectivity AMP ConnectorsIn Stock: 8391546226-4 Datasheet

Current PartRFQ

282830-4

TE Connectivity AMP ConnectorsIn Stock: 2112282830-4 Datasheet

DirectRFQ

ESZP04100

Amphenol PCDIn Stock: 1024ESZP04100 Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the 1546226-4 terminal block plug is determined by strict alignment with the following critical parameters:

Core Compatibility Parameters:

• 4-position configuration with 0.197" (5.00mm) pitch spacing
• 90° wire entry orientation for in-line free-hanging mounting
• Screw-type rising cage clamp termination mechanism
• 12 A current rating and 300 V voltage rating (UL)
• Operating temperature range of -40°C to 110°C
• Tin contact mating finish
• Polyamide (PA66) nylon 6/6 housing material
• 0.453" (11.50mm) insulation height

Acceptable Variations:

• Wire gauge range differences within the 0.05-2mm² specification envelope
• Wire strip length variations accommodating standard termination practices
• Housing color variations (gray, green, black)
• Packaging format differences (bulk, tray)
• Screw torque specifications within functional equivalence (0.5-0.68 Nm range)
• Contact material composition (phosphor bronze or copper alloy)

Non-Substitutable Differences:

• Position count, pitch spacing, or wire entry angle modifications
• Termination style changes from screw-type rising cage clamp
• Mounting configuration alterations from free-hanging in-line
• Electrical rating reductions below specified thresholds

Parameter Comparison

Engineering Selection Recommendations

TE Connectivity 282830-4 (Direct Substitute - Recommended Primary Alternative)

The 282830-4 represents the optimal direct substitute for the obsolete 1546226-4. Both components are manufactured by TE Connectivity AMP Connectors within the Buchanan series and share identical electrical specifications, mechanical dimensions, and termination characteristics. The 282830-4 maintains active product status with higher inventory availability (2074 units in stock versus 755 units for the main part). This component achieves ROHS3 compliance and carries unlimited moisture sensitivity rating (MSL 1). The primary distinction is housing color (green versus gray) and wire strip length specification (6-7.5mm versus 4-6mm), neither of which affects functional compatibility. The 282830-4 accommodates wire gauges from 12-30 AWG, providing expanded compatibility for smaller gauge applications compared to the 14-30 AWG range of the original part.

Amphenol PCD ESZP04100 (Alternative Substitute - Secondary Option)

The ESZP04100 provides functional equivalence as an alternative from a different manufacturer. This component maintains all critical electrical and mechanical parameters including 4-position configuration, 0.197" pitch, 90° wire entry, 12 A current rating, and 300 V voltage rating. The ESZP04100 is active in production with 924 units available. Compliance certifications include RoHS compliance and MSL 1 rating. Differences include copper alloy contact material (versus phosphor bronze), reduced screw torque specification (0.5 Nm versus 0.68 Nm), and unspecified wire gauge range in metric units. The ESZP04100 is packaged in tray format and features black housing. This component is suitable for applications where cross-manufacturer sourcing is acceptable and where the specified torque reduction does not conflict with assembly procedures.

Frequently Asked Questions (FAQ)

Q: Can the 282830-4 be used as a direct replacement for the 1546226-4 in existing assemblies?

A: Yes. The 282830-4 is a direct functional equivalent. Both components share identical pitch spacing (0.197"), position count (4), wire entry angle (90°), termination mechanism (screw-type rising cage clamp), electrical ratings (12 A, 300 V), and operating temperature range (-40°C to 110°C). Housing color and wire strip length specifications differ but do not affect mechanical or electrical compatibility.

Q: What is the significance of the wire gauge range difference between 1546226-4 (14-30 AWG) and 282830-4 (12-30 AWG)?

A: The 282830-4 accommodates smaller gauge conductors (12 AWG) in addition to the full range supported by the original part. This expanded range provides greater flexibility for applications requiring heavier gauge wire termination. Existing designs using 14-30 AWG wire remain fully compatible with the 282830-4.

Q: Are there compatibility concerns when substituting the ESZP04100 for the 1546226-4?

A: The ESZP04100 maintains electrical and mechanical compatibility for the core application. Two considerations apply: (1) Contact material differs (copper alloy versus phosphor bronze), which does not affect standard performance but may influence corrosion resistance in specific environments; (2) Screw torque specification is reduced (0.5 Nm versus 0.68 Nm), requiring assembly procedure verification to ensure proper termination force application.

Q: Does housing color affect electrical performance or mechanical fit?

A: Housing color is a cosmetic designation only. The gray (1546226-4), green (282830-4), and black (ESZP04100) housing options are functionally equivalent and do not affect electrical performance, mechanical fit, or connector mating characteristics.

Q: What packaging formats are available for these substitute parts?

A: The 1546226-4 is supplied in standard packaging (format unspecified). The 282830-4 is available in bulk packaging. The ESZP04100 is supplied in tray packaging. Packaging format selection depends on procurement volume and inventory management requirements but does not affect component functionality.

Q: Are all three parts RoHS compliant?

A: Yes. The 1546226-4 and 282830-4 are ROHS3 compliant. The ESZP04100 is RoHS compliant. All three components meet environmental compliance requirements for restricted substance elimination.

Q: What is the moisture sensitivity level (MSL) for these components?

A: All three components carry MSL 1 (Unlimited) rating, indicating no moisture sensitivity restrictions during storage, handling, or assembly processes.