DSL02-010SC5 Equivalent & Substitute Parts

Part Overview

The DSL02-010SC5 is a bidirectional transient voltage suppressor (TVS) diode manufactured by STMicroelectronics, designed for telecom applications requiring transient overvoltage protection. This component features a 10V reverse standoff voltage with 24V clamping capability and 24A peak pulse current handling (8/20µs waveform). The device is packaged in SC-74A (SOT-753) surface mount configuration.

The DSL02-010SC5 carries an obsolete product status. Identification of equivalent and substitute parts is necessary to maintain design continuity, ensure supply chain availability, and support ongoing production requirements for legacy systems utilizing this component.

Substiute Parts

DSL02-010SC5

STMicroelectronicsIn Stock: 71360DSL02-010SC5 Datasheet

Current PartRFQ

SDP0120T023G5RP

Littelfuse Inc.In Stock: 17468SDP0120T023G5RP Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the DSL02-010SC5 is evaluated based on the following critical parameters that define functional equivalence within transient voltage suppressor applications:

Package Compatibility: Both the main part and substitute must utilize SC-74A (SOT-753) surface mount packaging to ensure mechanical and electrical compatibility with existing printed circuit board layouts.

Voltage Protection Range: The reverse standoff voltage and clamping voltage establish the protection threshold. The DSL02-010SC5 operates at 10V standoff with 24V maximum clamping. Substitute parts must maintain compatible voltage specifications to protect the same circuit nodes without introducing under-protection or over-clamping conditions.

Current Handling Capacity: Peak pulse current rating (8/20µs waveform) determines the transient energy dissipation capability. The DSL02-010SC5 handles 24A peak pulse current. Substitute parts must meet or exceed this specification to provide equivalent protection performance.

Regulatory Compliance: RoHS3 compliance and REACH unaffected status are mandatory for continued use in regulated applications. All substitute parts must maintain equivalent compliance certifications.

Moisture Sensitivity: MSL 1 (Unlimited) classification ensures no moisture-related handling restrictions during manufacturing and assembly processes.

The SDP0120T023G5RP from Littelfuse Inc. is identified as a substitute part based on matching package configuration (SC-74A, SOT-753) and regulatory compliance status. However, this substitute represents a different device technology (TVS Thyristor) with distinct electrical characteristics that must be evaluated for circuit-specific compatibility.

Parameter Comparison

Engineering Selection Recommendations

Product Status Consideration: The DSL02-010SC5 is classified as obsolete. The SDP0120T023G5RP carries active product status, indicating ongoing manufacturer support, continued availability, and compliance with current regulatory requirements.

Regulatory Compliance: Both components maintain ROHS3 compliance and REACH unaffected status, satisfying environmental and hazardous substance restrictions applicable to electronic component procurement.

Moisture Handling: Both parts feature MSL 1 (Unlimited) classification, eliminating moisture sensitivity constraints during manufacturing, storage, and assembly operations.

Technology Differentiation: The DSL02-010SC5 employs zener diode technology, while the SDP0120T023G5RP utilizes TVS thyristor technology. These represent distinct protection mechanisms with different response characteristics. Zener diodes provide immediate clamping action through reverse breakdown, while TVS thyristors exhibit latching behavior with lower on-state voltage. Circuit-level evaluation is required to determine functional equivalence for specific application requirements.

Electrical Parameter Variance: The substitute part exhibits higher peak pulse current capacity (70A versus 24A) and lower on-state voltage (4V versus 24V clamping), indicating enhanced transient energy handling but different voltage regulation characteristics. Application-specific circuit analysis must confirm compatibility with existing protection thresholds and load requirements.

Frequently Asked Questions (FAQ)

Q: Can the SDP0120T023G5RP directly replace the DSL02-010SC5 in existing designs?

A: Both components share identical package configuration (SC-74A, SOT-753) and surface mount characteristics, enabling physical interchangeability on printed circuit boards. However, electrical behavior differs significantly due to distinct device technologies (zener diode versus TVS thyristor). Circuit-level compatibility assessment is required before implementation.

Q: What are the key electrical differences between these two parts?

A: The DSL02-010SC5 (zener) operates with 10V standoff and 24V clamping voltage. The SDP0120T023G5RP (thyristor) operates with 12V off-state voltage and 4V on-state voltage. The substitute part handles 70A peak pulse current compared to 24A for the original part. These differences affect voltage regulation, current handling, and transient response characteristics.

Q: Are both parts compliant with current regulatory standards?

A: Yes. Both the DSL02-010SC5 and SDP0120T023G5RP maintain ROHS3 compliance and REACH unaffected status. Both feature MSL 1 (Unlimited) moisture sensitivity classification, eliminating handling restrictions during manufacturing and assembly.

Q: What packaging considerations apply to these components?

A: Both components utilize SC-74A (SOT-753) surface mount packaging with SOT-23-5 supplier device package designation. Physical footprint and land pattern compatibility are identical, supporting direct board-level substitution without layout modifications.

Q: Why is the DSL02-010SC5 listed as obsolete?

A: Obsolete status indicates the manufacturer has discontinued production and support for this component. The SDP0120T023G5RP, carrying active product status, represents a current alternative with ongoing manufacturer availability and regulatory compliance maintenance.

Q: How do I determine if the SDP0120T023G5RP is suitable for my application?

A: Evaluate circuit protection requirements against the electrical parameters provided in the parameter comparison table. Specific assessment areas include: voltage threshold compatibility (10V standoff versus 12V off-state), clamping voltage performance (24V versus 4V), and peak pulse current requirements (24A versus 70A). Application-specific circuit simulation or testing may be necessary to confirm functional equivalence.