EGF1A-E3/5CA Equivalent & Substitute Parts

Part Overview

The EGF1A-E3/5CA is a general-purpose rectifier diode manufactured by Vishay General Semiconductor - Diodes Division, part of the SUPERECTIFIER® series. This surface mount diode operates at 50 V DC reverse voltage with 1 A average rectified current and features fast recovery characteristics with a 50 ns reverse recovery time. The component is housed in a DO-214BA package and is actively produced with ROHS3 compliance and unlimited moisture sensitivity rating.

Substitute parts are necessary when the primary part number becomes unavailable, when alternative packaging formats are required for manufacturing processes, or when equivalent electrical performance can be achieved with components from different manufacturers while maintaining design specifications.

Key Parameters

Parameter	Value	Unit
Voltage - DC Reverse (Vr) Maximum	50	V
Current - Average Rectified (Io)	1	A
Voltage - Forward (Vf) Maximum @ If	1	V @ 1 A
Speed Classification	Fast Recovery ≤ 500ns, > 200mA (Io)	—
Reverse Recovery Time (trr)	50	ns
Current - Reverse Leakage @ Vr	5	µA @ 50 V
Capacitance @ Vr, F	15	pF @ 4V, 1MHz
Operating Temperature - Junction	-65 to 175	°C
Package / Case	DO-214BA	—
Mounting Type	Surface Mount	—
RoHS Status	ROHS3 Compliant	—

Substitute Part Grouping Explanation

Substitution of the EGF1A-E3/5CA is determined by the following critical electrical and mechanical parameters:

Primary Substitution Criteria:

Voltage - DC Reverse (Vr) Maximum: 50 V (exact match required)
Current - Average Rectified (Io): 1 A (exact match required)
Voltage - Forward (Vf) Maximum @ If: 1 V @ 1 A (maximum tolerance)
Speed Classification: Fast Recovery ≤ 500ns, > 200mA (Io) or equivalent
Reverse Recovery Time (trr): 50 ns or faster
Operating Temperature Range: -65°C to 175°C minimum
Mounting Type: Surface Mount
RoHS Compliance: ROHS3 Compliant

Package Compatibility: The main part uses DO-214BA packaging. Substitute parts may use DO-214AC (SMA) packaging, which is mechanically and electrically compatible for surface mount applications, though physical footprint dimensions differ.

Packaging Format Variations: Substitutes are available in Tape & Reel (TR), Cut Tape (CT) & Digi-Reel®, and Bulk formats to accommodate different manufacturing and procurement workflows.

Parts that do not meet the fast recovery speed classification or exceed the forward voltage specification are listed but require design review before implementation.

Parameter Comparison

Part Number	Manufacturer	Vr (Max) V	Io (A)	Vf (Max) V @ 1A	Speed	trr (ns)	Package	Temp Range °C	Status
EGF1A-E3/5CA	Vishay	50	1	1.0	Fast Recovery ≤ 500ns	50	DO-214BA	-65 to 175	Active
EGF1A-E3/67A	Vishay	50	1	1.0	Fast Recovery ≤ 500ns	50	DO-214BA	-65 to 175	Active
US1A-13-F	Diodes Incorporated	50	1	1.0	Fast Recovery ≤ 500ns	50	DO-214AC	-65 to 150	Active
US1A-TP	Micro Commercial Co	50	1	1.0	Fast Recovery ≤ 500ns	50	DO-214AC	-65 to 175	Not For New Designs
ES1A-LTP	Micro Commercial Co	50	1	0.95	Fast Recovery ≤ 500ns	35	DO-214AC	-65 to 175	Not For New Designs
EGF1A	Fairchild Semiconductor	50	1	1.0	Fast Recovery ≤ 500ns	50	DO-214AC	-65 to 175	Active
GF1A	onsemi	50	1	1.0	Standard Recovery >500ns	2000	DO-214AC	-65 to 175	Not For New Designs
GS1A-LTP	Micro Commercial Co	50	1	1.0	Standard Recovery >500ns	—	DO-214AC	-55 to 150	Not For New Designs
CGRA4001-G	Comchip Technology	50	1	1.1	Standard Recovery >500ns	—	DO-214AC	-55 to 150	Active
ES1A	YAGEO	50	—	0.95	—	DO-214AC	—	Active
STTH1R02A	STMicroelectronics	200	1.5	1.0	Fast Recovery ≤ 500ns	30	DO-214AC	—	Active

Engineering Selection Recommendations

Tier 1 - Direct Parametric Equivalents (Recommended for New Designs):

EGF1A-E3/67A (Vishay) and US1A-13-F (Diodes Incorporated) are direct parametric equivalents meeting all electrical specifications of the EGF1A-E3/5CA. Both components are actively produced, ROHS3 compliant, and feature identical voltage, current, and fast recovery characteristics. EGF1A-E3/67A maintains the same manufacturer as the primary part with alternative packaging format (Cut Tape & Digi-Reel®). US1A-13-F provides cross-manufacturer equivalence with active product status and full compliance certifications.

Tier 2 - Functional Equivalents with Minor Parameter Variations (Conditional Use):

EGF1A (Fairchild Semiconductor) and ES1A-LTP (Micro Commercial Co) meet core electrical requirements with fast recovery performance. EGF1A maintains identical specifications across all critical parameters. ES1A-LTP exhibits superior reverse recovery time (35 ns versus 50 ns) and lower forward voltage (0.95 V versus 1.0 V), providing enhanced performance characteristics. However, ES1A-LTP carries "Not For New Designs" status and should be used only when existing inventory constraints or legacy design requirements apply.

Tier 3 - Partial Equivalents (Design Review Required):

CGRA4001-G (Comchip Technology) and GF1A (onsemi) meet voltage and current specifications but employ standard recovery technology (>500ns) rather than fast recovery. These components are suitable only for applications where switching speed is not performance-critical. CGRA4001-G is actively produced; GF1A carries "Not For New Designs" status. GS1A-LTP (Micro Commercial Co) similarly uses standard recovery technology and operates at reduced maximum junction temperature (-55°C to 150°C versus -65°C to 175°C).

Tier 4 - Non-Equivalent (Not Recommended):

STTH1R02A (STMicroelectronics) operates at 200 V reverse voltage with 1.5 A current rating, exceeding the EGF1A-E3/5CA specifications. This component is not a substitute and should not be used as a direct replacement.

Compliance and Certification:

All recommended Tier 1 and Tier 2 substitutes maintain ROHS3 compliance and unlimited moisture sensitivity rating (MSL 1). Procurement should verify REACH and ECCN compliance status with supplier documentation for specific applications.

Frequently Asked Questions (FAQ)

Q: Can EGF1A-E3/67A be used as a direct replacement for EGF1A-E3/5CA?

A: Yes. EGF1A-E3/67A is a parametric equivalent manufactured by Vishay with identical electrical specifications: 50 V reverse voltage, 1 A current rating, 1 V forward voltage at 1 A, 50 ns reverse recovery time, and fast recovery speed classification. The primary difference is packaging format (Cut Tape & Digi-Reel® versus Tape & Reel). Both use DO-214BA package and operate across -65°C to 175°C temperature range.

Q: What is the difference between DO-214BA and DO-214AC packages?

A: DO-214BA and DO-214AC are both surface mount packages for general-purpose rectifier diodes. DO-214AC is also designated as SMA package. While physical footprint dimensions differ, both are compatible with standard surface mount assembly processes. Component selection should verify PCB layout compatibility with the specific package variant.

Q: Can US1A-13-F replace EGF1A-E3/5CA in all applications?

A: US1A-13-F meets all critical electrical parameters: 50 V reverse voltage, 1 A current, 1 V forward voltage, and 50 ns reverse recovery time with fast recovery classification. The operating temperature range is -65°C to 150°C, which is 25°C lower than the EGF1A-E3/5CA maximum of 175°C. Applications requiring operation above 150°C junction temperature require design review.

Q: Why are some substitute parts marked "Not For New Designs"?

A: Parts designated "Not For New Designs" indicate that the manufacturer has discontinued active development and production planning for these components. While existing inventory may be available, these parts should not be selected for new product designs. Tier 1 and Tier 2 active products are preferred for long-term supply chain stability.

Q: What is the significance of fast recovery versus standard recovery classification?

A: Fast recovery diodes (≤500ns reverse recovery time) switch off more quickly than standard recovery diodes (>500ns), reducing switching losses and enabling higher frequency operation. The EGF1A-E3/5CA specifies fast recovery with 50 ns reverse recovery time. Substitutes using standard recovery technology may introduce switching delays and increased power dissipation in high-frequency applications.

Q: Is CGRA4001-G a suitable substitute?

A: CGRA4001-G meets voltage and current specifications but uses standard recovery technology (>500ns) rather than fast recovery. Forward voltage is also specified at 1.1 V maximum versus 1.0 V for the primary part. This component is suitable only for applications where switching speed is not performance-critical and where the higher forward voltage drop is acceptable. Design review is required before implementation.

Q: Can ES1A be used as a substitute?

A: ES1A (YAGEO) is listed as a substitute option with 50 V rating and 0.95 V forward voltage specification. However, complete electrical parameter data is not provided in the component documentation. Verification of current rating, recovery time, and temperature range specifications with the manufacturer is required before design implementation.

Q: What packaging options are available for substitutes?

A: Substitute parts are available in multiple packaging formats: Tape & Reel (TR) for automated assembly lines, Cut Tape (CT) & Digi-Reel® for mixed-volume production, and Bulk for manual assembly or component testing. Selection depends on manufacturing process requirements and procurement volume thresholds.

Q: Are all substitute parts ROHS3 compliant?

A: All Tier 1 and Tier 2 recommended substitutes are ROHS3 compliant with unlimited moisture sensitivity rating (MSL 1). Compliance documentation should be verified with supplier datasheets for specific procurement batches and applications subject to regulatory requirements.

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