SMP-PS-P-HE-ST-EM3 Equivalent & Substitute Parts

Part Overview

The SMP-PS-P-HE-ST-EM3 is a 50 Ohm SMP connector plug manufactured by Samtec Inc., designed for through-hole board edge cutout mounting with surface mount solder termination. This coaxial RF connector operates at frequencies up to 40 GHz and features a male pin configuration with snap-on fastening. The part is currently in active product status with 739 units available in inventory. Equivalent and substitute parts are identified to support procurement flexibility, inventory management, and design alternatives where mechanical or electrical parameters remain within acceptable tolerances.

Substiute Parts

SMP-PS-P-HE-ST-EM3

Samtec Inc.In Stock: 846SMP-PS-P-HE-ST-EM3 Datasheet

Current PartRFQ

SMP-PS-P-HH-ST-EM3

Samtec Inc.In Stock: 1247SMP-PS-P-HH-ST-EM3 Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the SMP-PS-P-HE-ST-EM3 is determined by strict equivalence across the following critical parameters:

Electrical Parameters:

• Impedance: 50 Ohms (mandatory match)
• Frequency maximum: 40 GHz (mandatory match)
• Number of ports: 1 (mandatory match)

Mechanical Parameters:

• Connector series: SMP (mandatory match)
• Connector type: Plug, Male Pin (mandatory match)
• Mounting type: Board Edge, Cutout; Surface Mount (mandatory match)
• Fastening type: Snap-On (mandatory match)

Material & Termination Parameters:

• Contact termination: Solder (mandatory match)
• Shield termination: Solder (mandatory match)
• Dielectric material: PTFE (mandatory match)
• Body material: Brass (mandatory match)
• Center contact material: Brass (mandatory match)

Compliance Parameters:

• RoHS Status: ROHS3 Compliant (mandatory match)
• Product Status: Active (mandatory match)

The substitute part SMP-PS-P-HH-ST-EM3 meets all mandatory electrical, mechanical, material, and compliance criteria for direct substitution.

Parameter Comparison

Engineering Selection Recommendations

Both SMP-PS-P-HE-ST-EM3 and SMP-PS-P-HH-ST-EM3 are active products manufactured by Samtec Inc. and are ROHS3 compliant. Selection between these parts should be based on the following criteria:

Primary Selection Criteria:

• Both parts are electrically and mechanically equivalent across all specified parameters
• Both support 50 Ohm impedance and 40 GHz maximum frequency operation
• Both utilize identical solder termination, PTFE dielectric, and brass construction with gold plating

Inventory Availability:

• SMP-PS-P-HH-ST-EM3 has higher inventory availability (1171 units) compared to SMP-PS-P-HE-ST-EM3 (739 units)

Compliance & Certifications:

• Both parts maintain ROHS3 compliance and active product status
• SMP-PS-P-HH-ST-EM3 provides additional documented specifications including operating temperature range (-65°C ~ 165°C), voltage rating (335 V), and MSL classification (1 - Unlimited)

Application Considerations:

• Selection should prioritize inventory availability and documented thermal/electrical specifications where application requirements demand explicit parameter confirmation

Frequently Asked Questions (FAQ)

Q: Can SMP-PS-P-HH-ST-EM3 be used as a direct replacement for SMP-PS-P-HE-ST-EM3?

A: Yes. Both parts are electrically and mechanically equivalent across all critical parameters including impedance (50 Ohms), frequency rating (40 GHz), connector type (Plug, Male Pin), mounting configuration (Board Edge, Cutout; Surface Mount), termination method (Solder), and material composition (Brass with gold plating, PTFE dielectric). Both are ROHS3 compliant and active products.

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

A: The parts are functionally equivalent. SMP-PS-P-HH-ST-EM3 provides additional documented specifications including operating temperature range (-65°C ~ 165°C), voltage rating (335 V), and MSL classification (1 - Unlimited). Inventory levels differ, with SMP-PS-P-HH-ST-EM3 having 1171 units available versus 739 units for SMP-PS-P-HE-ST-EM3.

Q: Are there any packaging differences between these connectors?

A: Both parts are supplied in tray packaging. No packaging format differences exist between the two part numbers.

Q: Do these connectors support the same frequency range?

A: Yes. Both SMP-PS-P-HE-ST-EM3 and SMP-PS-P-HH-ST-EM3 support maximum frequency operation of 40 GHz with 50 Ohm impedance.

Q: What is the fastening mechanism for these connectors?

A: Both connectors utilize snap-on fastening for board edge cutout mounting with surface mount solder termination.

Q: Are both parts RoHS compliant?

A: Yes. Both SMP-PS-P-HE-ST-EM3 and SMP-PS-P-HH-ST-EM3 are ROHS3 compliant.