CDSFR4148 Equivalent & Substitute Parts

Part Overview

The CDSFR4148 is a general-purpose rectifier diode manufactured by Comchip Technology, rated for 75 V DC reverse voltage and 150 mA average rectified current. This component is packaged in a 1005 (2512 Metric) surface mount configuration with SOD-323F supplier device package designation. The part maintains Active product status and is RoHS3 compliant with MSL Level 1 (Unlimited moisture sensitivity).

Substitute parts are identified when equivalent electrical and mechanical parameters are maintained across the same functional category. Identification of alternative components ensures design flexibility, supply chain continuity, and procurement optimization without compromising circuit performance.

Substiute Parts

CDSFR4148

Comchip TechnologyIn Stock: 1121CDSFR4148 Datasheet

Current PartRFQ

CDSF4148

Comchip TechnologyIn Stock: 9263CDSF4148 Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the CDSFR4148 are identified based on strict electrical and mechanical parameter equivalence. The substitution logic is based on the following critical parameters:

Electrical Parameters:

• Voltage - DC Reverse (Vr) (Max): 75 V
• Current - Average Rectified (Io): 150 mA
• Voltage - Forward (Vf) (Max) @ If: 1 V @ 50 mA
• Reverse Recovery Time (trr): 4 ns
• Current - Reverse Leakage @ Vr: 2.5 µA @ 75 V
• Capacitance @ Vr, F: 4 pF @ 0V, 1MHz
• Speed Classification: Small Signal ≤ 200mA (Io), Any Speed

Mechanical Parameters:

• Package / Case: 1005 (2512 Metric)
• Mounting Type: Surface Mount
• Supplier Device Package: 1005/SOD-323F

Compliance Parameters:

• RoHS Status: ROHS3 Compliant
• Moisture Sensitivity Level (MSL): 1 (Unlimited)
• Product Status: Active

Parts meeting all specified electrical, mechanical, and compliance criteria are classified as parametric equivalents and direct substitutes.

Parameter Comparison

Engineering Selection Recommendations

The CDSF4148 is a direct parametric equivalent to the CDSFR4148. Both components are manufactured by Comchip Technology and maintain identical electrical specifications, mechanical packaging, and compliance certifications.

Selection Basis:

Both parts are Active product status, ensuring ongoing manufacturer support and availability. Both maintain ROHS3 compliance and REACH Unaffected status, satisfying regulatory requirements for industrial and commercial applications. MSL Level 1 (Unlimited) classification indicates no moisture sensitivity constraints during storage or handling.

The CDSF4148 may be selected as a substitute when CDSFR4148 availability is constrained or when procurement optimization is required. No electrical performance degradation or functional compromise occurs with this substitution. PCB layout, thermal management, and circuit design considerations remain unchanged.

Frequently Asked Questions (FAQ)

Q: Can CDSF4148 be used as a direct replacement for CDSFR4148 in production designs?

A: Yes. Both parts are parametric equivalents with identical electrical ratings (75 V reverse voltage, 150 mA average rectified current), forward voltage characteristics, reverse recovery time, leakage current, and capacitance specifications. Both use identical 1005 (2512 Metric) surface mount packaging with SOD-323F supplier device package designation.

Q: Are there any differences in compliance or regulatory status between these parts?

A: No. Both CDSFR4148 and CDSF4148 are ROHS3 compliant, REACH Unaffected, and classified as MSL Level 1 (Unlimited). Regulatory and environmental compliance status is identical.

Q: What is the significance of the different part numbers if the specifications are identical?

A: Part number differentiation may reflect internal manufacturing process variations, packaging configuration options, or supplier inventory management practices. From an engineering perspective, both part numbers represent the same functional component with identical electrical and mechanical specifications.

Q: Are there any thermal or reliability considerations when substituting between these parts?

A: No thermal or reliability differences are indicated by the provided specifications. Both parts maintain the same maximum junction temperature (125°C), reverse recovery time (4 ns), and leakage current characteristics (2.5 µA @ 75 V).

Q: Can these parts be used interchangeably in high-frequency switching applications?

A: Both parts are classified as Small Signal diodes with ≤ 200mA current rating and Any Speed capability. The 4 ns reverse recovery time supports high-frequency operation within the specified current and voltage ratings.

Q: What packaging considerations apply to both parts?

A: Both CDSFR4148 and CDSF4148 are supplied in Tape & Reel (TR) format with 1005 (2512 Metric) surface mount package and SOD-323F supplier device package designation. Reel specifications, tape pitch, and component orientation are identical, enabling seamless integration into automated assembly processes.