EM250503V Equivalent & Substitute Parts Reference

Part Overview

The EM250503V is a 3-position wire-to-board terminal block manufactured by Eaton Electronics Division, part of the Euro-Mag EM2505 series. This component provides horizontal board-mounted connectivity with side entry wire termination using screw-rising cage clamp technology. The part is currently active in production with 876 units in stock. Alternative equivalent parts may be required due to supply chain considerations, inventory availability, or specific application requirements where substitute specifications align with system design parameters.

Substiute Parts

EM250503V

Eaton - Electronics DivisionIn Stock: 889EM250503V Datasheet

Current PartRFQ

282841-3

TE Connectivity AMP ConnectorsIn Stock: 43894282841-3 Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the EM250503V is determined by strict alignment of the following critical parameters:

Mandatory Matching Parameters:

• Positions Per Level: 3
• Pitch: 0.200" (5.08mm)
• Mating Orientation: Horizontal with Board
• Mounting Type: Through Hole
• Wire Termination Method: Screw - Rising Cage Clamp
• Screw Thread: M3
• Torque Specification: 0.79 Nm (7.0 Lb-In)
• Voltage Rating: 300 V minimum
• RoHS3 Compliance

Allowable Parameter Variations:

• Current Rating: Substitute must equal or exceed 16 A
• Wire Gauge Range: Substitute must accommodate 12-26 AWG minimum
• Operating Temperature: Substitute must support -40°C ~ 105°C minimum
• Housing Material: Thermoplastic or equivalent engineering polymer
• Contact Plating: Brass with tin or equivalent corrosion-resistant plating

The substitute part 282841-3 (TE Connectivity AMP Connectors, Buchanan series) meets all mandatory matching parameters and allowable variation criteria.

Parameter Comparison

Engineering Selection Recommendations

EM250503V (Eaton Electronics Division, Euro-Mag EM2505 Series)

Selection basis: Primary component specification. Active product status with established supply. ROHS3 compliant. Suitable for applications requiring the specified 16 A current capacity and -40°C to 105°C operating range. Steel zinc-plated screw hardware.

282841-3 (TE Connectivity AMP Connectors, Buchanan Series)

Selection basis: Functionally equivalent substitute. Active product status. ROHS3 compliant. Provides enhanced current capacity (17.5 A) and extended wire gauge accommodation (12-30 AWG). Brass nickel-plated screw and clamp hardware. Polyamide (PA66) nylon housing. Suitable for applications where higher current margin or extended wire gauge range provides design advantage. Significantly higher inventory availability (43,867 units in stock).

Both parts satisfy identical mechanical and electrical interface requirements for 3-position, 5.08mm pitch, through-hole terminal block applications with screw-rising cage clamp termination.

Frequently Asked Questions (FAQ)

Q: Can 282841-3 be used as a direct replacement for EM250503V in existing PCB designs?

A: Yes. Both parts share identical pitch (5.08mm), position count (3), mounting type (through-hole), and screw specifications (M3, 0.79 Nm). PCB footprints are compatible. The substitute accommodates the same wire gauge range (12-26 AWG minimum) and voltage rating (300 V).

Q: What are the key differences between these two parts?

A: The 282841-3 provides higher current capacity (17.5 A vs. 16 A), extended wire gauge range (12-30 AWG vs. 12-26 AWG), and different hardware plating (brass nickel-plated vs. steel zinc-plated). Housing material differs (polyamide PA66 vs. thermoplastic). Operating temperature range for 282841-3 is not specified in available data.

Q: Are there any compliance or certification differences?

A: Both parts are ROHS3 compliant and share identical HTSUS classification (8536.90.4000). The EM250503V specifies REACH Unaffected status; the 282841-3 lists REACH status as Vendor Undefined. Both carry EAR99 ECCN classification.

Q: Which part should be selected for new designs?

A: Selection depends on application requirements. If 16 A current capacity is sufficient and operating temperature range -40°C to 105°C is required, either part is suitable. The 282841-3 offers design margin with higher current rating and extended wire gauge range. Inventory availability favors 282841-3 (43,867 units vs. 876 units).

Q: Are the screw torque specifications identical?

A: Yes. Both parts specify 0.79 Nm (7.0 Lb-In) torque for M3 screws. Installation procedures are equivalent.

Q: What is the impact of different housing materials?

A: EM250503V uses thermoplastic housing; 282841-3 uses polyamide (PA66) nylon. Both are engineering polymers suitable for -40°C to 105°C range (EM250503V specified; 282841-3 range not provided). Material selection does not affect electrical or mechanical interface compatibility.