CBR1F-D010 Equivalent & Substitute Parts

Part Overview

The CBR1F-D010 is a single-phase bridge rectifier manufactured by Central Semiconductor Corp, rated for 100 V peak reverse voltage and 1 A average rectified current in a 4-DIP through-hole package. This component is classified as obsolete, making identification of compatible substitute parts essential for ongoing system maintenance and new design implementations.

Bridge rectifiers in this voltage and current class are fundamental components in AC-to-DC conversion circuits. The obsolete status of the CBR1F-D010 necessitates evaluation of active alternative parts that maintain electrical and mechanical compatibility with existing designs.

Key Parameters

Parameter	CBR1F-D010
Voltage - Peak Reverse (Max)	100 V
Current - Average Rectified (Io)	1 A
Voltage - Forward (Vf) (Max) @ If	1.3 V @ 1 A
Current - Reverse Leakage @ Vr	10 µA @ 100 V
Operating Temperature Range	-65°C ~ 150°C (TJ)
Mounting Type	Through Hole
Package / Case	4-EDIP (0.300", 7.62mm)
Diode Type	Single Phase
Technology	Standard

Substitute Part Grouping Explanation

Substitution of the CBR1F-D010 is determined by the following critical parameters:

Voltage Rating: Peak reverse voltage must be 100 V or greater
Current Rating: Average rectified current must be 1 A or greater
Diode Type: Single-phase bridge rectifier configuration
Mounting Type: Through-hole package required for PCB compatibility
Package Form Factor: 4-DIP or equivalent footprint dimensions

The DB102, manufactured by SMC Diode Solutions, satisfies all substitution criteria. It maintains identical voltage and current ratings, operates across a compatible temperature range, and uses a through-hole 4-EDIP package with similar dimensional specifications (0.321" vs. 0.300" width). The DB102 is classified as active product status with ROHS3 compliance and REACH compliance, providing long-term availability assurance.

Parameter Comparison

Parameter	CBR1F-D010	DB102	Compatibility
Voltage - Peak Reverse (Max)	100 V	100 V	Matched
Current - Average Rectified (Io)	1 A	1 A	Matched
Voltage - Forward (Vf) (Max) @ If	1.3 V @ 1 A	1.1 V @ 1 A	DB102 Superior
Current - Reverse Leakage @ Vr	10 µA @ 100 V	5 µA @ 100 V	DB102 Superior
Operating Temperature Range	-65°C ~ 150°C	-55°C ~ 150°C	DB102 Narrower Range
Mounting Type	Through Hole	Through Hole	Matched
Package / Case	4-EDIP (0.300", 7.62mm)	4-EDIP (0.321", 8.15mm)	Compatible Footprint
Diode Type	Single Phase	Single Phase	Matched
Technology	Standard	Standard	Matched
Product Status	Obsolete	Active	DB102 Current

Engineering Selection Recommendations

The DB102 is the qualified substitute for the CBR1F-D010 based on the following factors:

Electrical Compatibility: The DB102 meets or exceeds all critical electrical parameters. Forward voltage drop is reduced (1.1 V vs. 1.3 V), and reverse leakage current is lower (5 µA vs. 10 µA), indicating improved performance characteristics within the same voltage and current class.

Product Status and Availability: The DB102 holds active product status with confirmed inventory availability (1737 pcs), ensuring long-term supply chain reliability compared to the obsolete CBR1F-D010.

Compliance and Certifications: The DB102 carries ROHS3 compliance and REACH compliance status, meeting current regulatory requirements for electronic component procurement and environmental standards.

Thermal Operating Range: The DB102 operates across -55°C to 150°C, which covers the majority of industrial and commercial applications. The CBR1F-D010's extended lower temperature range (-65°C) is not required for most standard implementations.

Package Compatibility: Both components use 4-EDIP through-hole packages with minimal dimensional variance (0.321" vs. 0.300"), permitting direct PCB layout compatibility without redesign.

Frequently Asked Questions (FAQ)

Q: Can the DB102 directly replace the CBR1F-D010 in existing designs?

A: Yes. The DB102 maintains identical voltage and current ratings, uses a compatible through-hole 4-EDIP package, and demonstrates superior electrical performance. PCB layout compatibility is maintained with the minimal package dimension variance.

Q: What is the significance of the lower forward voltage in the DB102?

A: The DB102's forward voltage of 1.1 V @ 1 A compared to the CBR1F-D010's 1.3 V @ 1 A indicates lower power dissipation during rectification. This results in reduced heat generation and improved circuit efficiency, representing a performance advantage in the substitution.

Q: Does the DB102's narrower operating temperature range affect compatibility?

A: The DB102 operates from -55°C to 150°C versus the CBR1F-D010's -65°C to 150°C. For applications requiring operation below -55°C, the CBR1F-D010's extended lower temperature capability would be necessary. Standard industrial and commercial applications typically operate within the DB102's temperature range.

Q: Are there compliance differences between the two parts?

A: The DB102 includes ROHS3 and REACH compliance certifications, meeting current environmental and regulatory standards. The CBR1F-D010, being obsolete, does not carry these modern compliance designations. For new designs and regulated applications, the DB102's compliance status is advantageous.

Q: What is the package dimension difference between the two parts?

A: The CBR1F-D010 uses a 4-EDIP package measuring 0.300" (7.62mm) width, while the DB102 measures 0.321" (8.15mm) width. This 0.021" difference is within standard PCB layout tolerances and does not prevent direct substitution on existing circuit boards.

Q: Is the DB102 the only available substitute?

A: Based on the provided data, the DB102 is the manufacturer-recommended substitute. The DB102 itself lists secondary substitutes (DF02, DB102-BP), which may be evaluated for specific application requirements, though the DB102 remains the primary active alternative to the obsolete CBR1F-D010.

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