SSQC 7 Equivalent & Substitute Parts Reference

Part Overview

The SSQC 7 is a 7A 125VAC/VDC surface mount board mount fuse manufactured by Bel Fuse Inc. in a 2-SMD square end block with clip configuration. This part is classified as obsolete, making identification of equivalent and substitute components essential for ongoing design support and production continuity. The SSQC 7 requires a holder for operation and is designed for fast-blow response applications within the specified voltage and current parameters.

Substiute Parts

SSQC 7

Bel Fuse Inc.In Stock: 815SSQC 7 Datasheet

Current PartRFQ

0679L7000-01

Bel Fuse Inc.In Stock: 22350679L7000-01 Datasheet

SimilarRFQ

3404.0019.11

SCHURTER Inc.In Stock: 16633404.0019.11 Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the SSQC 7 are qualified based on matching the following critical electrical and mechanical parameters:

• Current Rating: 7 A (exact match required)
• Voltage Rating: 125 V AC and 125 V DC (exact match required)
• Response Time: Fast Blow (exact match required)
• Mounting Type: Surface Mount (exact match required)
• Fuse Type: Board Mount, Cartridge Style Excluded (exact match required)
• Package Configuration: 2-SMD (exact match required)
• Operating Temperature Range: -55°C to 125°C (exact match required)
• RoHS Compliance: ROHS3 Compliant (exact match required)

Two substitute parts meet these criteria: the Bel Fuse Inc. 0679L7000-01 and the SCHURTER Inc. 3404.0019.11. Both maintain electrical equivalence across all primary ratings and environmental specifications. Physical dimensions and secondary parameters such as melting I²t and DC cold resistance vary within acceptable tolerances for the application category.

Parameter Comparison

Engineering Selection Recommendations

The 0679L7000-01 from Bel Fuse Inc. is the primary substitute for the obsolete SSQC 7. This part maintains identical electrical ratings and operating temperature specifications while offering active product status and AEC-Q200 automotive qualification. The 0679L7000-01 is available in higher inventory quantities (2215 units) and is supplied in Tape & Reel packaging, supporting automated assembly processes.

The 3404.0019.11 from SCHURTER Inc. serves as a secondary substitute option. This part meets all critical electrical and thermal parameters and carries cURus certification. The 3404.0019.11 features a higher breaking capacity rating (100A versus 50A AC/300A DC) and uses a J-Lead package configuration instead of the square end block design. Physical dimensions differ across all three axes, requiring PCB layout verification before implementation.

Both substitute parts are ROHS3 compliant and REACH unaffected, maintaining regulatory alignment with the original SSQC 7 specification.

Frequently Asked Questions (FAQ)

Q: Can the 0679L7000-01 be used as a direct replacement for the SSQC 7?

A: The 0679L7000-01 matches all critical electrical parameters (7A, 125VAC/VDC, fast-blow response) and operating temperature range. The primary difference is the package configuration: the 0679L7000-01 uses a square end block without clip, while the SSQC 7 includes a clip feature. Holder compatibility must be verified for your specific application.

Q: What is the difference between the two substitute parts?

A: Both the 0679L7000-01 and 3404.0019.11 meet the core electrical requirements. The 0679L7000-01 is manufactured by Bel Fuse Inc. (same as the original) and includes AEC-Q200 qualification. The 3404.0019.11 is manufactured by SCHURTER Inc. and features a J-Lead package configuration with higher breaking capacity. Physical dimensions differ between both substitutes and the original part.

Q: Are there packaging differences between these parts?

A: Yes. The SSQC 7 is supplied in Cut Tape & Digi-Reel packaging. The 0679L7000-01 is supplied in Tape & Reel format. The 3404.0019.11 is supplied in Bulk packaging. These differences affect handling, storage, and automated assembly compatibility.

Q: Do all three parts require the same holder?

A: The SSQC 7 requires a holder for operation. The 0679L7000-01 and 3404.0019.11 are also board mount fuses requiring holders. However, physical dimension variations (particularly the package end configuration and lead style) may affect holder compatibility. Mechanical fit must be confirmed with your specific holder model.

Q: What certifications apply to the substitute parts?

A: The 0679L7000-01 carries AEC-Q200 and cURus approvals. The 3404.0019.11 carries cURus approval. Both parts are ROHS3 compliant and REACH unaffected.