SDB102L-TP Bridge Rectifier Equivalent & Substitute Parts

Part Overview

The SDB102L-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 100 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. Finding equivalent substitute parts is necessary for ongoing maintenance, repair, and legacy system support where continued availability of the original part cannot be guaranteed.

Key Parameters

Parameter	Value	Unit
Diode Type	Single Phase	—
Technology	Standard	—
Voltage - Peak Reverse (Max)	100	V
Current - Average Rectified (Io)	1	A
Voltage - Forward (Vf) (Max) @ If	1.1	V @ 1 A
Current - Reverse Leakage @ Vr	10	µA @ 100 V
Operating Temperature Range	-55 to 150	°C (TJ)
Mounting Type	Surface Mount	—
Package / Case	4-SMD, Gull Wing	—

Substitute Part Grouping Explanation

Substitution of the SDB102L-TP is determined by strict equivalence across the following critical parameters:

Electrical Parameters (Must Match):

Voltage - Peak Reverse (Max): 100 V
Current - Average Rectified (Io): 1 A
Diode Type: Single Phase
Technology: Standard

Physical Parameters (Must Match):

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

Operating Conditions (Must Match):

Operating Temperature Range: -55°C to 150°C (TJ)

The DF01S1 manufactured by Fairchild Semiconductor meets all critical electrical and physical requirements for direct substitution. Both components share identical peak reverse voltage, average rectified current, forward voltage characteristics, operating temperature range, and surface mount package configuration. The DF01S1 is classified as "Active" product status, ensuring continued availability and supply chain reliability.

Parameter Comparison

Parameter	SDB102L-TP (Micro Commercial Co)	DF01S1 (Fairchild Semiconductor)	Match Status
Diode Type	Single Phase	Single Phase	✓ Match
Technology	Standard	Standard	✓ Match
Voltage - Peak Reverse (Max)	100 V	100 V	✓ Match
Current - Average Rectified (Io)	1 A	1 A	✓ Match
Voltage - Forward (Vf) (Max) @ If	1.1 V @ 1 A	1.1 V @ 1 A	✓ Match
Current - Reverse Leakage @ Vr	10 µA @ 100 V	3 µA @ 100 V	✓ Compatible
Operating Temperature Range	-55°C to 150°C (TJ)	-55°C to 150°C (TJ)	✓ Match
Mounting Type	Surface Mount	Surface Mount	✓ Match
Package / Case	4-SMD, Gull Wing	4-SMD, Gull Wing	✓ Match
Product Status	Not For New Designs	Active	✓ Improved

Engineering Selection Recommendations

The DF01S1 is the direct parametric equivalent for the SDB102L-TP. Selection of the DF01S1 is supported by the following engineering factors:

Electrical Equivalence: All critical electrical parameters match exactly, including peak reverse voltage (100 V), average rectified current (1 A), forward voltage drop (1.1 V @ 1 A), and operating temperature range (-55°C to 150°C). The DF01S1 exhibits lower reverse leakage current (3 µA versus 10 µA), which represents improved performance within the same functional class.

Physical Compatibility: Both components utilize identical surface mount packaging (4-SMD, Gull Wing), ensuring direct PCB footprint compatibility without layout modifications.

Supply Chain Status: The DF01S1 carries "Active" product status with documented inventory availability (2921 pcs), whereas the SDB102L-TP is classified as "Not For New Designs" with limited remaining stock (983 pcs). Selection of the DF01S1 provides long-term supply assurance.

Regulatory Compliance: Both components share identical ECCN (EAR99) and HTSUS (8541.10.0080) classifications, confirming equivalent export control and tariff treatment.

Frequently Asked Questions (FAQ)

Q: Can the DF01S1 be used as a direct replacement for the SDB102L-TP in existing designs?

A: Yes. The DF01S1 meets all electrical and physical specifications of the SDB102L-TP. Both components are single-phase bridge rectifiers with 100 V peak reverse voltage, 1 A average rectified current, and identical surface mount package configuration. No circuit modifications are required.

Q: What is the difference in reverse leakage current between these parts?

A: The SDB102L-TP specifies maximum reverse leakage of 10 µA @ 100 V, while the DF01S1 specifies 3 µA @ 100 V. The DF01S1 exhibits lower leakage, which is a performance improvement and does not affect compatibility.

Q: Are the package dimensions identical?

A: Both components use 4-SMD, Gull Wing surface mount packaging. The supplier device packages differ in designation (SDBL-1 versus 4-SDIP), but the physical package configuration is identical, ensuring PCB footprint compatibility.

Q: Why is the SDB102L-TP marked "Not For New Designs"?

A: This classification indicates the part has reached end-of-life status and is no longer recommended for new product development. The DF01S1, classified as "Active," is the recommended alternative for both new designs and legacy system support.

Q: What are the regulatory compliance implications of substitution?

A: Both parts share identical ECCN (EAR99) and HTSUS (8541.10.0080) classifications. Substitution does not alter export control or tariff treatment.

Request Quote (Ships tomorrow)

Part Number

Quantity

Company

Contact Name

E-mail

Message