SDB103L-TP Bridge Rectifier Single Phase Standard 200 V Surface Mount

Part Overview

The SDB103L-TP is a single-phase bridge rectifier diode manufactured by Micro Commercial Co, designed for surface mount applications with a peak reverse voltage rating of 200 V and average rectified current of 1 A. This component is classified as "Not For New Designs," indicating it has reached end-of-life status. Due to this product status, identification of equivalent substitute parts is necessary for ongoing maintenance, repair, and legacy system support where continued component availability is required.

Substiute Parts

SDB103L-TP

Micro Commercial CoIn Stock: 980SDB103L-TP Datasheet

Current PartRFQ

DF02S1

Fairchild SemiconductorIn Stock: 10255DF02S1 Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the SDB103L-TP is determined by strict equivalence across the following critical electrical and mechanical parameters:

Electrical Equivalence Criteria:

• Diode Type: Single Phase
• Technology: Standard
• Voltage - Peak Reverse (Max): 200 V
• Current - Average Rectified (Io): 1 A
• Voltage - Forward (Vf) (Max) @ If: 1.1 V @ 1 A
• Operating Temperature Range: -55°C ~ 150°C (TJ)

Mechanical Equivalence Criteria:

• Mounting Type: Surface Mount
• Package / Case: 4-SMD, Gull Wing

The substitute part DF02S1 manufactured by Fairchild Semiconductor meets all specified electrical parameters and maintains identical mounting and package specifications, establishing it as a parametric equivalent for the SDB103L-TP.

Parameter Comparison

Engineering Selection Recommendations

The DF02S1 from Fairchild Semiconductor is a direct parametric equivalent to the SDB103L-TP. Both components share identical electrical ratings, operating temperature specifications, and mechanical package configurations. The DF02S1 maintains Active product status, ensuring continued availability and manufacturer support, whereas the SDB103L-TP is classified as "Not For New Designs."

From a compliance perspective, both parts carry identical ECCN (EAR99) and HTSUS (8541.10.0080) classifications, indicating equivalent regulatory treatment. The DF02S1 demonstrates superior reverse leakage characteristics (3 µA @ 200 V versus 10 µA @ 200 V), representing improved performance within the same functional specification envelope.

Selection of the DF02S1 is appropriate for applications requiring continued component supply, legacy system maintenance, and repair scenarios where the SDB103L-TP is no longer available through original manufacturer channels.

Frequently Asked Questions (FAQ)

Q: What makes DF02S1 a suitable substitute for SDB103L-TP?

A: The DF02S1 meets all critical electrical parameters: 200 V peak reverse voltage, 1 A average rectified current, 1.1 V forward voltage at 1 A, and identical -55°C to 150°C operating temperature range. Both components use identical 4-SMD Gull Wing surface mount packaging, ensuring mechanical and electrical compatibility in circuit board layouts.

Q: Are there any performance differences between these parts?

A: The DF02S1 exhibits lower reverse leakage current (3 µA @ 200 V) compared to the SDB103L-TP (10 µA @ 200 V). This represents improved performance characteristics while maintaining full functional equivalence for the specified application parameters.

Q: Why is the SDB103L-TP marked "Not For New Designs"?

A: This designation indicates the part has reached end-of-life status and is no longer recommended for new product development. Existing inventory may remain available, but long-term supply cannot be guaranteed. The DF02S1, with Active product status, provides assured continued availability.

Q: Can DF02S1 be used as a direct drop-in replacement?

A: Yes. The DF02S1 is mechanically and electrically compatible with the SDB103L-TP. Both components use identical 4-SMD Gull Wing packaging and share the same electrical specifications, allowing direct substitution in existing circuit designs without layout modifications.

Q: What compliance certifications apply to both parts?

A: Both the SDB103L-TP and DF02S1 carry identical ECCN (EAR99) and HTSUS (8541.10.0080) classifications, indicating equivalent export control and tariff treatment.