SDC36B.TCT Equivalent & Substitute Parts

Part Overview

The SDC36B.TCT is a unidirectional Transient Voltage Suppressor (TVS) diode manufactured by Semtech Corporation, designed for general-purpose overvoltage protection in surface-mount applications. This component features a 33V reverse standoff voltage with a 47V clamping voltage and 4A peak pulse current capability in a compact SOT-23-3 package.

The SDC36B.TCT is classified as obsolete. Identifying equivalent and substitute parts is necessary to maintain design continuity, ensure supply chain availability, and support ongoing production or maintenance requirements for systems utilizing this component.

Substiute Parts

SDC36B.TCT

Semtech CorporationIn Stock: 6477SDC36B.TCT Datasheet

Current PartRFQ

SDC36C.TCT

Semtech CorporationIn Stock: 2356SDC36C.TCT Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the SDC36B.TCT is determined by strict equivalence across the following critical electrical and mechanical parameters:

• Voltage - Reverse Standoff: 33V (Max)
• Voltage - Breakdown (Min): 35V
• Voltage - Clamping (Max) @ Ipp: 47V
• Current - Peak Pulse: 4A (1.2/50µs)
• Power - Peak Pulse: 225W
• Package / Case: SOT-23-3
• Unidirectional Channels: 2
• Operating Temperature Range: -55°C to 125°C (TJ)

The SDC36C.TCT meets all these criteria and qualifies as a direct substitute. Both parts are manufactured by Semtech Corporation and share identical electrical performance specifications and physical packaging requirements.

Parameter Comparison

Engineering Selection Recommendations

The SDC36C.TCT is the direct substitute for the obsolete SDC36B.TCT. Both components are electrically and mechanically identical across all specified parameters. The SDC36C.TCT offers the additional advantage of active product status, ensuring continued availability and supply chain support. The SDC36C.TCT is RoHS Compliant, meeting current environmental and regulatory requirements for electronic component manufacturing and use.

Selection of the SDC36C.TCT eliminates obsolescence risk while maintaining full functional and physical compatibility with existing designs utilizing the SDC36B.TCT.

Frequently Asked Questions (FAQ)

Q: Can the SDC36C.TCT be used as a direct replacement for the SDC36B.TCT?

A: Yes. The SDC36C.TCT is a direct substitute. Both parts share identical electrical specifications (33V reverse standoff, 35V breakdown minimum, 47V clamping voltage, 4A peak pulse current, 225W peak pulse power) and are packaged in the same SOT-23-3 surface-mount configuration. Both operate across the same temperature range (-55°C to 125°C).

Q: What is the primary difference between these two parts?

A: The SDC36B.TCT is obsolete, while the SDC36C.TCT maintains active product status. The SDC36C.TCT is also RoHS Compliant. No electrical or mechanical differences exist between the two components.

Q: Are there packaging differences between SDC36B.TCT and SDC36C.TCT?

A: Both parts use the SOT-23-3 package. The SDC36C.TCT is supplied in Tape & Reel (TR) packaging format, which is standard for active production components.

Q: Does the capacitance specification differ between these parts?

A: The SDC36B.TCT specifies 50pF @ 1MHz, while the SDC36C.TCT specifies 100pF @ 1MHz. Both values remain within acceptable operating parameters for general-purpose TVS diode applications and do not affect substitution eligibility for standard overvoltage protection circuits.

Q: What is the moisture sensitivity level for these components?

A: Both the SDC36B.TCT and SDC36C.TCT have a Moisture Sensitivity Level (MSL) of 1 (Unlimited), indicating no moisture sensitivity restrictions for storage or handling.