SD125SCU100A.T1 Equivalent & Substitute Parts

Part Overview

The SD125SCU100A.T1 is a Schottky diode designed for surface mount applications, rated at 100V DC reverse voltage with 15A average rectified current. This die-format component is classified as Active product status and is currently in stock with 1032 units available. Schottky diodes of this specification are used in power conversion, rectification, and switching applications where fast recovery characteristics and low forward voltage drop are critical. Identifying equivalent substitute parts ensures design flexibility, supply chain continuity, and access to alternative inventory sources while maintaining identical electrical and mechanical performance.

Substiute Parts

SD125SCU100A.T1

SMC Diode SolutionsIn Stock: 1125SD125SCU100A.T1 Datasheet

Current PartRFQ

SD125SCU100A.T

SMC Diode SolutionsIn Stock: 953SD125SCU100A.T Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the SD125SCU100A.T1 is determined by strict equivalence across all critical electrical and mechanical parameters. The substitute part must match the following specifications without deviation:

Critical Substitution Parameters:

• Voltage - DC Reverse (Vr) (Max): 100 V
• Current - Average Rectified (Io): 15 A
• Voltage - Forward (Vf) (Max) @ If: 840 mV @ 15 A
• Speed: Fast Recovery ≤ 500ns, > 200mA (Io)
• Current - Reverse Leakage @ Vr: 350 µA @ 100 V
• Capacitance @ Vr, F: 600 pF @ 5V, 1MHz
• Package / Case: Die
• Mounting Type: Surface Mount
• Operating Temperature - Junction: -55°C to 200°C
• Technology: Schottky

The substitute part SD125SCU100A.T meets all these parameters identically and is therefore a direct parametric equivalent.

Parameter Comparison

Engineering Selection Recommendations

Both the SD125SCU100A.T1 and SD125SCU100A.T are Active product status components manufactured by SMC Diode Solutions. Both parts are ROHS3 Compliant and REACH Affected, meeting current environmental and regulatory requirements. The parts are electrically and mechanically identical across all specified parameters.

Selection between these two part numbers should be based on inventory availability and procurement lead time. The SD125SCU100A.T1 has 1032 units in stock, while the SD125SCU100A.T has 863 units available. Both parts are suitable for direct substitution in applications requiring a 100V, 15A Schottky rectifier diode in die format with fast recovery characteristics and low forward voltage drop.

Frequently Asked Questions (FAQ)

Q: Can SD125SCU100A.T be used as a direct replacement for SD125SCU100A.T1?

A: Yes. The SD125SCU100A.T is a direct parametric equivalent. All electrical specifications, including reverse voltage, forward voltage, current rating, recovery speed, leakage current, and capacitance are identical. Both parts are manufactured by SMC Diode Solutions and share the same die package format.

Q: What is the difference between SD125SCU100A.T1 and SD125SCU100A.T?

A: The part numbers differ only in the suffix designation (.T1 versus .T). The electrical and mechanical specifications are identical. The difference may relate to manufacturing date code, tape reel configuration, or internal traceability codes, but these do not affect functional performance or compatibility.

Q: Are there any compliance or certification differences between these parts?

A: No. Both parts carry identical RoHS3 Compliance status, REACH Affected designation, and Moisture Sensitivity Level (MSL) rating of 1 (Unlimited). Both are suitable for applications with identical regulatory requirements.

Q: What is the operating temperature range for these diodes?

A: The junction operating temperature range is -55°C to 200°C for both parts. This range applies to the semiconductor junction itself and must be considered in thermal design calculations.

Q: Can these die-format diodes be used interchangeably with packaged diode alternatives?

A: No. These parts are supplied as bare dies and require specialized handling, mounting, and assembly processes. They are not interchangeable with standard packaged diodes (such as SOD-123, DO-214, or similar packages) without significant circuit redesign and assembly modifications.

Q: What is the significance of the Fast Recovery specification?

A: The Fast Recovery specification (≤ 500ns, > 200mA) indicates the diode's switching speed. This parameter is critical in high-frequency switching applications, power factor correction circuits, and synchronous rectification designs where recovery time directly affects efficiency and electromagnetic interference (EMI) performance.

Q: Are these parts suitable for high-frequency applications?

A: Yes. The fast recovery characteristic (≤ 500ns) and low capacitance (600 pF @ 5V, 1MHz) make these Schottky diodes suitable for switching frequencies in the megahertz range. The low forward voltage drop (840 mV @ 15A) also reduces power dissipation in high-frequency rectification circuits.