B1101UCTP Equivalent & Substitute Parts

Part Overview

The B1101UCTP is a Transient Voltage Suppressor (TVS) device manufactured by Littelfuse Inc., designed for circuit protection applications in SLIC (Subscriber Line Interface Card) systems. This component features adjustable voltage clamping with mixed technology in a 6-SMD, Gull Wing surface mount package. The B1101UCTP is classified as obsolete, making identification of suitable substitute parts essential for ongoing system maintenance and new design implementations where legacy compatibility is required.

Substiute Parts

B1101UCTP

Littelfuse Inc.In Stock: 1064B1101UCTP Datasheet

Current PartRFQ

B1101UCLTP

Littelfuse Inc.In Stock: 1203B1101UCLTP Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the B1101UCTP is determined by strict equivalence across the following critical parameters:

• Voltage clamping characteristic: Adjustable
• Technology platform: Mixed Technology
• Circuit count: Single circuit (1)
• Application domain: SLIC
• Physical form factor: 6-SMD, Gull Wing surface mount
• Supplier device package designation: MS-013
• Moisture sensitivity classification: MSL 1 (Unlimited)

The B1101UCLTP qualifies as a direct substitute based on complete alignment with all these parameters. The primary distinction between the main part and its substitute lies in product status and regulatory compliance posture, not in electrical or mechanical function.

Parameter Comparison

Engineering Selection Recommendations

The B1101UCLTP is the direct functional equivalent of the B1101UCTP for SLIC circuit protection applications. Selection between these parts should be based on the following criteria:

For new designs and ongoing procurement: The B1101UCLTP is the preferred choice. This part maintains active product status with Littelfuse Inc., ensuring continued availability and supply chain stability. The B1101UCLTP carries ROHS3 compliance and REACH Unaffected designation, meeting current regulatory requirements for electronic component manufacturing and distribution in regulated markets.

For legacy system maintenance: The B1101UCTP remains functionally equivalent where existing inventory is available. However, the obsolete status indicates limited future availability. The B1101UCLTP provides a direct path for system refresh while maintaining identical electrical and mechanical performance.

Regulatory considerations: Organizations operating under RoHS3 or REACH regulatory frameworks should transition to the B1101UCLTP to ensure compliance. The B1101UCTP's non-compliant status may restrict its use in certain jurisdictions or procurement environments.

Frequently Asked Questions (FAQ)

Q: Can the B1101UCLTP be used as a direct replacement for the B1101UCTP in existing designs?

A: Yes. Both parts share identical electrical characteristics (adjustable voltage clamping, mixed technology), circuit count (1), application domain (SLIC), and physical form factor (6-SMD, Gull Wing, MS-013 package). No circuit redesign or board layout modification is required.

Q: What is the primary difference between B1101UCTP and B1101UCLTP?

A: The B1101UCTP is obsolete with RoHS non-compliant status. The B1101UCLTP is an active product with ROHS3 compliance and REACH Unaffected designation. Electrical and mechanical specifications are identical.

Q: Are there packaging differences between these parts?

A: Both parts use the same 6-SMD, Gull Wing surface mount package (MS-013). The B1101UCLTP is supplied in Tube packaging, while the B1101UCTP packaging specification is not provided. This does not affect functional compatibility.

Q: Which part should be specified for new circuit board designs?

A: The B1101UCLTP should be specified for new designs. Active product status ensures supply chain continuity, and ROHS3 compliance aligns with current manufacturing and regulatory standards.

Q: Is the MSL (Moisture Sensitivity Level) the same for both parts?

A: Yes. Both the B1101UCTP and B1101UCLTP carry MSL 1 (Unlimited), indicating no moisture sensitivity restrictions during storage or handling.