H2156-01 Equivalent & Substitute Parts

Part Overview

The H2156-01 is a PC Pin Terminal Connector manufactured by Harwin Inc., designed for through-hole applications with a 0.050" (1.27mm) circular pin diameter and tin contact finish. This component is classified as Obsolete, making identification of suitable substitute parts essential for ongoing production and maintenance applications. The part features a double-end terminal style with swage termination and non-insulated brass construction.

Substiute Parts

H2156-01

Harwin Inc.In Stock: 800H2156-01 Datasheet

Current PartRFQ

H2101-01

Harwin Inc.In Stock: 2435H2101-01 Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the H2156-01 is constrained by the following critical parameters:

• Pin Diameter: 0.050" (1.27mm) circular pin above flange
• Mounting Hole Diameter: 0.050" ~ 0.053" (1.27mm ~ 1.35mm) through-hole requirement
• Terminal Style: Double-end PC pin configuration
• Contact Material & Finish: Brass with tin plating
• Termination Method: Swage termination
• Board Thickness Compatibility: 0.126" (3.20mm)

The H2101-01 is listed as a manufacturer-recommended substitute. However, this part exhibits significant dimensional differences in pin diameter (0.036" vs. 0.050"), mounting hole diameter (0.070" ~ 0.074" vs. 0.050" ~ 0.053"), and board thickness (0.063" vs. 0.126"). These differences indicate the H2101-01 is not a direct mechanical substitute and would require PCB redesign for implementation.

Parameter Comparison

Engineering Selection Recommendations

The H2156-01 is Obsolete; however, direct mechanical substitution with the H2101-01 is not feasible due to incompatible pin diameter, mounting hole diameter, and board thickness specifications. Both parts maintain ROHS3 compliance and MSL 1 rating, indicating equivalent environmental and regulatory standing.

Selection of an alternative component requires either:

1. PCB redesign to accommodate the H2101-01 dimensional specifications
2. Identification of an alternative PC pin terminal from Harwin Inc. or other manufacturers with matching pin diameter (0.050"), mounting hole diameter (0.050" ~ 0.053"), and board thickness (0.126") specifications

Consult Harwin Inc. technical documentation or component databases for PC pin terminals meeting the original H2156-01 dimensional requirements.

Frequently Asked Questions (FAQ)

Q: Can the H2101-01 be used as a direct replacement for the H2156-01?

A: No. The H2101-01 has a smaller pin diameter (0.036" vs. 0.050"), larger mounting hole diameter (0.070" ~ 0.074" vs. 0.050" ~ 0.053"), and thinner board thickness (0.063" vs. 0.126"). These dimensional differences prevent direct substitution without PCB modification.

Q: What are the critical parameters that determine substitution compatibility?

A: Pin diameter, mounting hole diameter, board thickness, terminal style, and termination method are the primary parameters governing mechanical and electrical compatibility. All must align with the original H2156-01 specifications.

Q: Are there compliance differences between H2156-01 and H2101-01?

A: Both parts are ROHS3 compliant with MSL 1 rating. No compliance advantage exists between the two parts.

Q: What should be done if the H2156-01 is no longer available?

A: Contact Harwin Inc. directly for obsolescence support or identify alternative PC pin terminals with matching dimensional specifications (0.050" pin diameter, 0.050" ~ 0.053" mounting hole diameter, 0.126" board thickness).