MHP-TA6-9-77 Equivalent & Substitute Parts

Part Overview

The MHP-TA6-9-77 is a thermal cutoff (TCO) breaker manufactured by Littelfuse Inc., rated for 12 A at 77°C (171°F) with a 9 V DC voltage rating. This component is classified as obsolete, which necessitates identification of active equivalent parts for continued system design and maintenance applications. The part features nonstandard packaging with strap solder termination and maintains ROHS3 compliance with UL approval.

Substiute Parts

MHP-TA6-9-77

Littelfuse Inc.In Stock: 200335MHP-TA6-9-77 Datasheet

Current PartRFQ

MHP-TAM6-9-77

Littelfuse Inc.In Stock: 26355MHP-TAM6-9-77 Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the MHP-TA6-9-77 is determined by strict equivalence across the following critical parameters:

• Rated functioning temperature: 77°C (171°F)
• Reset temperature: 40°C (104°F)
• Current rating: 12 A
• Voltage rating (DC): 9 V
• Type: Thermal cutoff breaker
• Approval agency certification: UL or equivalent
• RoHS compliance: ROHS3 Compliant
• Moisture sensitivity level: 1 (Unlimited)

The MHP-TAM6-9-77 qualifies as a direct substitute based on identical electrical specifications and thermal characteristics. Both parts operate within the same temperature thresholds, carry identical current and voltage ratings, and maintain equivalent regulatory compliance.

Parameter Comparison

Engineering Selection Recommendations

The MHP-TAM6-9-77 is the direct equivalent for the obsolete MHP-TA6-9-77. Both components share identical electrical and thermal specifications, ensuring functional compatibility in existing circuit designs. The MHP-TAM6-9-77 maintains active product status with current manufacturing availability, making it the appropriate selection for new designs and replacement applications.

The MHP-TAM6-9-77 carries expanded approval certifications (cUL and UL) compared to the original part (UL only), providing additional regulatory coverage. Both parts maintain ROHS3 compliance and identical moisture sensitivity ratings, ensuring environmental and regulatory consistency.

Frequently Asked Questions (FAQ)

Q: Can the MHP-TAM6-9-77 directly replace the MHP-TA6-9-77 in existing applications?

A: Yes. Both parts are identical in electrical specifications, thermal operating parameters, current rating, voltage rating, and regulatory compliance. The MHP-TAM6-9-77 is the active equivalent.

Q: What is the difference between the MHP-TA and MHP-TAM series?

A: The MHP-TAM series represents the active production line for this thermal cutoff specification. The MHP-TA series is obsolete. Electrical and thermal characteristics are equivalent.

Q: Are there packaging differences between these parts?

A: Both parts use nonstandard packaging with strap solder termination. Packaging specifications are identical.

Q: Does the MHP-TAM6-9-77 have the same temperature thresholds?

A: Yes. The functioning temperature is 77°C (171°F) and reset temperature is 40°C (104°F) for both parts.

Q: What certifications apply to the MHP-TAM6-9-77?

A: The MHP-TAM6-9-77 carries cUL and UL approvals, providing broader regulatory coverage than the original MHP-TA6-9-77 (UL only).