ECH8661-TL-HX Equivalent & Substitute Parts

Part Overview

The ECH8661-TL-HX is a MOSFET array manufactured by onsemi, classified as an obsolete product. This component is a dual-channel metal oxide semiconductor field-effect transistor array designed for surface mount applications. Due to its obsolete status, sourcing original inventory presents supply chain challenges. Identifying equivalent substitute parts ensures design continuity and maintains production schedules for applications utilizing this component.

Substiute Parts

ECH8661-TL-HX

onsemiIn Stock: 998ECH8661-TL-HX Datasheet

Current PartRFQ

ECH8661-TL-H

onsemiIn Stock: 3147ECH8661-TL-H Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the ECH8661-TL-HX is based on the following criteria derived from the provided parameters:

Primary Substitution Basis:

• Shared base product number (ECH8661)
• Identical manufacturer (onsemi)
• Same component category (Transistors, FETs, MOSFETs)
• Identical HTSUS classification (8541.29.0095)
• Identical ECCN classification (EAR99)
• Identical REACH status (REACH Unaffected)

The ECH8661-TL-H is designated as a direct substitute for the ECH8661-TL-HX. Both parts share the ECH8661 base product number, confirming functional equivalence within the onsemi MOSFET array product line. The substitute part maintains regulatory compliance across all specified certifications and trade classifications.

Parameter Comparison

Engineering Selection Recommendations

The ECH8661-TL-H is the direct substitute for the obsolete ECH8661-TL-HX. Selection of this substitute part is supported by the following factors:

Product Status: The ECH8661-TL-H maintains active product status with onsemi, ensuring ongoing availability and supply chain stability compared to the obsolete ECH8661-TL-HX.

Regulatory Compliance: Both parts share identical REACH and ECCN classifications, confirming equivalent regulatory standing for international distribution and export control purposes.

Trade Classification: Identical HTSUS coding (8541.29.0095) confirms tariff and customs classification equivalence.

Manufacturer Continuity: Both parts originate from onsemi, maintaining design lineage and manufacturing standards within the ECH8661 product family.

The substitute part is suitable for direct replacement in applications previously utilizing the ECH8661-TL-HX, provided that the electrical specifications of the ECH8661-TL-H (30V Vdss, 7A/5.5A continuous drain current, 1.5W maximum power) align with circuit requirements.

Frequently Asked Questions (FAQ)

Q: Why is the ECH8661-TL-HX listed as obsolete?

A: The ECH8661-TL-HX has reached end-of-life status with onsemi. The ECH8661-TL-H represents the active continuation of this product line and is the designated substitute.

Q: Are the ECH8661-TL-HX and ECH8661-TL-H pin-compatible?

A: Both parts share the ECH8661 base product number and are classified within the same MOSFET array category. Pin compatibility is confirmed through the shared base product designation.

Q: What is the difference between the packaging designations "-TL-HX" and "-TL-H"?

A: The suffix designations indicate different packaging or supplier configurations. The ECH8661-TL-H is supplied in Cut Tape (CT) and Digi-Reel® packaging formats, while the ECH8661-TL-HX packaging details are not specified in available documentation.

Q: Can I use the ECH8661-TL-H in place of the ECH8661-TL-HX without circuit modifications?

A: Direct substitution is supported by the shared base product number and identical regulatory classifications. Circuit compatibility depends on verification that the specified electrical parameters (30V Vdss, 7A/5.5A Id, 1.5W power rating) meet application requirements.

Q: What is the moisture sensitivity level of the ECH8661-TL-H?

A: The ECH8661-TL-H carries an MSL rating of 1 (Unlimited), indicating minimal moisture sensitivity and simplified handling requirements compared to higher MSL classifications.

Q: Are both parts RoHS compliant?

A: The ECH8661-TL-H is ROHS3 compliant. RoHS compliance status for the ECH8661-TL-HX is not specified in available documentation.