CFRA103-G Equivalent & Substitute Parts Reference

Part Overview

The CFRA103-G is a general-purpose rectifier diode manufactured by Comchip Technology, rated for 200 V DC reverse voltage and 1 A average rectified current in a surface-mount DO-214AC (SMA) package. This part is currently Active in product status with full RoHS3 compliance and unlimited moisture sensitivity rating.

Substitute parts are identified when equivalent electrical performance and mechanical compatibility are maintained across the critical parameters: reverse voltage rating, average rectified current, forward voltage characteristics, recovery time specifications, and surface-mount package compatibility. The substitute parts listed below meet these criteria and are available from alternative manufacturers.

Key Parameters

Parameter	Value	Unit
Voltage - DC Reverse (Vr) Maximum	200	V
Current - Average Rectified (Io)	1	A
Voltage - Forward (Vf) Maximum @ If	1.3	V @ 1 A
Speed Classification	Fast Recovery ≤ 500ns, > 200mA (Io)	—
Reverse Recovery Time (trr)	150	ns
Current - Reverse Leakage @ Vr	5	µA @ 200 V
Mounting Type	Surface Mount	—
Package / Case	DO-214AC, SMA	—
Operating Temperature - Junction Maximum	150	°C
RoHS Status	ROHS3 Compliant	—
Moisture Sensitivity Level (MSL)	1 (Unlimited)	—

Substitute Part Grouping Explanation

Substitution eligibility for the CFRA103-G is determined by strict equivalence in the following electrical and mechanical parameters:

Primary Equivalence Criteria:

Voltage - DC Reverse (Vr) Maximum: 200 V
Current - Average Rectified (Io): 1 A
Speed Classification: Fast Recovery ≤ 500ns, > 200mA (Io)
Mounting Type: Surface Mount
Package Compatibility: DO-214AC (SMA) or equivalent SMA footprint

Secondary Compatibility Parameters:

Reverse Recovery Time (trr): 150 ns or faster
Current - Reverse Leakage @ Vr: ≤ 5 µA @ 200 V
Voltage - Forward (Vf) Maximum @ If: ≤ 1.3 V @ 1 A
RoHS3 Compliance and MSL 1 rating

All substitute parts listed maintain these electrical specifications within the allowed tolerances and are packaged in surface-mount configurations suitable for direct PCB replacement of the CFRA103-G.

Parameter Comparison

Manufacturer Part Number	Manufacturer	Vr (Max) V	Io (A)	Vf (Max) @ 1A (V)	trr (ns)	Ir @ 200V (µA)	Package	Product Status
CFRA103-G	Comchip Technology	200	1	1.3	150	5	DO-214AC (SMA)	Active
RGF1D	onsemi	200	1	1.3	150	5	DO-214AC (SMA)	Not For New Designs
RS1D	Taiwan Semiconductor Corporation	200	1	1.3	150	5	DO-214AC (SMA)	Active
RS1D-13-F	Diodes Incorporated	200	1	1.3	150	5	DO-214AC (SMA)	Active
EGF1D	onsemi	200	1	1.0	50	10	DO-214AC (SMA)	Not For New Designs
EGF1D-E3/5CA	Vishay General Semiconductor - Diodes Division	200	1	1.0	50	5	DO-214BA (GF1)	Active
EGF1D-E3/67A	Vishay General Semiconductor - Diodes Division	200	1	1.0	50	5	DO-214BA (GF1)	Active
ES1D	EVVO Semi	200	1	1.0	35	5	DO-214AC (SMA)	Active
ES1D-13-F	Diodes Incorporated	200	1	0.92	25	5	DO-214AC (SMA)	Active
ES1D-E3/5AT	Vishay General Semiconductor - Diodes Division	200	1	0.92	25	5	DO-214AC (SMA)	Active
ES1DHE3_A/I	Vishay General Semiconductor - Diodes Division	200	1	0.92	25	5	DO-214AC (SMA)	Active

Engineering Selection Recommendations

Direct Electrical Equivalents (Identical Specifications):

RS1D (Taiwan Semiconductor Corporation) and RS1D-13-F (Diodes Incorporated) are direct electrical equivalents to the CFRA103-G, maintaining identical reverse voltage, current rating, forward voltage, and recovery time specifications. Both parts are Active in product status and carry full RoHS3 compliance. RS1D-13-F offers higher inventory availability (53,919 pcs) compared to RS1D (20,200 pcs).

Enhanced Performance Alternatives:

ES1D-13-F (Diodes Incorporated) and ES1D-E3/5AT (Vishay General Semiconductor - Diodes Division) provide improved electrical characteristics with lower forward voltage (0.92 V vs. 1.3 V) and significantly faster reverse recovery time (25 ns vs. 150 ns). These parts are suitable for applications requiring reduced power dissipation and faster switching performance. Both maintain Active product status and full compliance certifications. ES1D-13-F provides the highest inventory availability (550,400 pcs).

Automotive-Qualified Option:

ES1DHE3_A/I (Vishay General Semiconductor - Diodes Division) is qualified to AEC-Q101 automotive standards and carries the same enhanced electrical performance as ES1D-13-F. This part is specified for applications requiring automotive-grade reliability and traceability.

Legacy/Obsolescence Considerations:

RGF1D (onsemi) and EGF1D (onsemi) are marked "Not For New Designs" and should not be selected for new product development. These parts are available for legacy system support only.

Package Variant Note:

EGF1D-E3/5CA and EGF1D-E3/67A use DO-214BA (GF1) package instead of DO-214AC (SMA). While electrically equivalent, these require PCB footprint verification before substitution.

Frequently Asked Questions (FAQ)

Q: Can RS1D directly replace CFRA103-G without circuit modification?

A: Yes. RS1D maintains identical electrical specifications across all critical parameters: 200 V reverse voltage, 1 A current rating, 1.3 V forward voltage at 1 A, and 150 ns recovery time. Both use DO-214AC (SMA) surface-mount packaging. No circuit changes are required.

Q: What is the advantage of ES1D-13-F over CFRA103-G?

A: ES1D-13-F provides lower forward voltage (0.92 V vs. 1.3 V) and faster reverse recovery time (25 ns vs. 150 ns). These characteristics reduce power dissipation and enable faster switching operation. The part is electrically superior while maintaining the same voltage and current ratings.

Q: Are EGF1D-E3/5CA and EGF1D-E3/67A compatible with existing CFRA103-G PCB layouts?

A: These parts use DO-214BA (GF1) package instead of DO-214AC (SMA). While electrically equivalent, the package footprint differs. PCB layout verification is required before substitution. Consult component datasheets for precise pad dimensions and spacing.

Q: Why is RGF1D marked "Not For New Designs"?

A: RGF1D is a legacy part from onsemi's product portfolio. While electrically equivalent to CFRA103-G, the manufacturer has discontinued active development and support. New designs should specify RS1D, RS1D-13-F, or ES1D series alternatives.

Q: Is ES1DHE3_A/I suitable for automotive applications?

A: Yes. ES1DHE3_A/I carries AEC-Q101 automotive qualification and is specified for automotive-grade reliability. It provides the same enhanced performance as ES1D-13-F (0.92 V forward voltage, 25 ns recovery time) with automotive traceability and qualification documentation.

Q: What is the difference between ES1D and ES1D-13-F?

A: Both parts are manufactured by different suppliers (EVVO Semi vs. Diodes Incorporated) but maintain equivalent electrical performance. ES1D-13-F offers significantly higher inventory availability (550,400 pcs vs. 140,400 pcs) and is the preferred selection for high-volume applications.

Q: Can I use multiple substitute parts interchangeably in the same design?

A: Yes, provided all selected parts meet the minimum electrical requirements for your application. Direct equivalents (RS1D, RS1D-13-F) are fully interchangeable. Enhanced-performance parts (ES1D series) are backward-compatible but offer superior characteristics. Verify package compatibility before PCB assembly.

Q: What does "Fast Recovery ≤ 500ns, > 200mA (Io)" mean?

A: This classification indicates the diode exhibits fast recovery characteristics with reverse recovery time not exceeding 500 nanoseconds when switching currents greater than 200 mA. All listed substitute parts meet this specification, with many offering significantly faster recovery times (25–150 ns).

Request Quote (Ships tomorrow)

Part Number

Quantity

Company

Contact Name

E-mail

Message