EGP30A Equivalent & Substitute Parts

Part Overview

The EGP30A is a general-purpose rectifier diode manufactured by onsemi, rated for 50 V DC reverse voltage and 3 A average rectified current in a DO-201AD axial through-hole package. This device features fast recovery characteristics with a reverse recovery time of 50 ns, making it suitable for standard rectification applications requiring moderate voltage and current ratings.

The EGP30A carries a "Not For New Designs" product status, indicating that onsemi has discontinued active development for this part number. This status necessitates identification of equivalent and substitute components that maintain functional compatibility while offering active product support or improved performance characteristics.

Key Parameters

Parameter	Value	Unit
Voltage - DC Reverse (Vr) (Max)	50	V
Current - Average Rectified (Io)	3	A
Voltage - Forward (Vf) (Max) @ If	950 mV @ 3 A	mV
Speed	Fast Recovery ≤ 500ns, > 200mA (Io)	ns
Reverse Recovery Time (trr)	50	ns
Current - Reverse Leakage @ Vr	5	µA @ 50 V
Package / Case	DO-201AD, Axial	—
Mounting Type	Through Hole	—
Operating Temperature - Junction	-65°C ~ 150°C	°C
RoHS Status	ROHS3 Compliant	—

Substitute Part Grouping Explanation

Substitution of the EGP30A is determined by strict adherence to the following electrical and mechanical parameters:

Primary Substitution Criteria:

Voltage - DC Reverse (Vr) (Max): Must equal or exceed 50 V
Current - Average Rectified (Io): Must equal or exceed 3 A
Package / Case: Must be DO-201AD or compatible axial through-hole package
Mounting Type: Must be Through Hole
RoHS Status: Must maintain ROHS3 Compliance

Secondary Compatibility Factors:

Operating Temperature Range: Must accommodate the application's thermal requirements
Forward Voltage (Vf): Lower values indicate improved efficiency; higher values remain acceptable within circuit design margins
Reverse Recovery Time (trr): Fast recovery (≤ 500ns) preferred for switching applications; standard recovery (> 500ns) acceptable for linear rectification
Reverse Leakage Current: Lower values preferred; specified values acceptable within circuit design parameters

Substitute parts are grouped into two categories:

Category A - Direct Electrical Equivalents (50 V, 3 A Rating): Parts maintaining identical voltage and current ratings with DO-201AD packaging. These include 1N5400G, 1N5400RLG, 1N5400-E3/54, GP30A-E3/54, and UF5400-E3/54. These parts provide direct functional replacement with variations in recovery speed and forward voltage characteristics.

Category B - Enhanced Voltage Rating (200 V, 3 A Rating): Parts with elevated voltage ratings (STTH302, STTH302RL) suitable for applications requiring higher reverse voltage margin while maintaining 3 A current capacity. These parts are not direct substitutes but serve applications where increased voltage headroom is beneficial.

Category C - Enhanced Current Rating (45 V, 10 A Rating): The SBR1045SD1-T provides higher current capacity at a slightly reduced voltage rating. This part is suitable only for applications where current capacity is the limiting factor and 45 V reverse voltage is acceptable.

Parameter Comparison

Part Number	Manufacturer	Vr (Max) [V]	Io [A]	Vf (Max) @ If [mV]	Speed	trr [ns]	Ir @ Vr [µA]	Package	Product Status
EGP30A	onsemi	50	3	950 @ 3A	Fast Recovery ≤ 500ns	50	5 @ 50V	DO-201AD	Not For New Designs
1N5400G	Taiwan Semiconductor Corporation	50	3	1100 @ 3A	Standard Recovery > 500ns	—	5 @ 50V	DO-201AD	Active
1N5400RLG	onsemi	50	3	1000 @ 3A	Standard Recovery > 500ns	—	10 @ 50V	DO-201AA / DO-27	Not For New Designs
1N5400-E3/54	Vishay General Semiconductor - Diodes Division	50	3	1200 @ 3A	Standard Recovery > 500ns	—	5 @ 50V	DO-201AD	Active
GP30A-E3/54	Vishay General Semiconductor - Diodes Division	50	3	1200 @ 3A	Standard Recovery > 500ns	5000	5 @ 50V	DO-201AD	Active
SBR1045SD1-T	Diodes Incorporated	45	10	550 @ 10A	Fast Recovery ≤ 500ns	—	450 @ 45V	DO-201AD	Active
STTH302	STMicroelectronics	200	3	950 @ 3A	Fast Recovery ≤ 500ns	35	3 @ 200V	DO-201AD	Active
STTH302RL	STMicroelectronics	200	3	950 @ 3A	Fast Recovery ≤ 500ns	35	3 @ 200V	DO-201AD	Active
UF5400-E3/54	Vishay General Semiconductor - Diodes Division	50	3	1000 @ 3A	Fast Recovery ≤ 500ns	50	10 @ 50V	DO-201AD	Active

Engineering Selection Recommendations

For Direct Replacement (50 V, 3 A Applications):

The 1N5400-E3/54 manufactured by Vishay General Semiconductor - Diodes Division is the primary recommended substitute. This part maintains identical voltage and current ratings, shares the DO-201AD package, and carries Active product status with ROHS3 compliance. The forward voltage specification of 1.2 V at 3 A represents a minor increase from the EGP30A's 950 mV, which is acceptable in most rectification circuits.

The UF5400-E3/54 also manufactured by Vishay provides an alternative with fast recovery characteristics matching the EGP30A's 50 ns reverse recovery time. This part is suitable for applications where switching speed is critical.

The 1N5400G manufactured by Taiwan Semiconductor Corporation offers an Active status alternative with identical electrical ratings, though it employs standard recovery characteristics rather than fast recovery.

For Enhanced Voltage Margin Applications:

The STTH302 and STTH302RL manufactured by STMicroelectronics provide 200 V reverse voltage rating while maintaining 3 A current capacity and DO-201AD packaging. These parts are suitable for applications where higher voltage headroom is required or where circuit design margins necessitate elevated voltage ratings. Both parts maintain fast recovery characteristics and ROHS3 compliance.

For Enhanced Current Capacity Applications:

The SBR1045SD1-T manufactured by Diodes Incorporated provides 10 A current capacity at 45 V reverse voltage. This part is suitable only for applications where current capacity is the primary design constraint and 45 V reverse voltage is acceptable. The reduced voltage rating makes this part unsuitable for circuits designed for 50 V operation.

Product Status Considerations:

Parts with Active product status (1N5400-E3/54, 1N5400G, GP30A-E3/54, STTH302, STTH302RL, UF5400-E3/54, SBR1045SD1-T) are recommended for new designs and long-term supply assurance. The 1N5400RLG, while manufactured by onsemi, carries "Not For New Designs" status and should be avoided for new applications despite its availability.

Frequently Asked Questions (FAQ)

Q: Can the 1N5400-E3/54 directly replace the EGP30A in all applications?

A: The 1N5400-E3/54 maintains identical voltage (50 V) and current (3 A) ratings and shares the DO-201AD package. The forward voltage increases from 950 mV to 1.2 V at 3 A, which is acceptable in most rectification circuits. However, applications with tight forward voltage budgets or high-frequency switching requirements should verify compatibility through circuit simulation or testing.

Q: What is the difference between fast recovery and standard recovery diodes?

A: Fast recovery diodes exhibit reverse recovery times of 500 ns or less, making them suitable for switching applications and high-frequency rectification. Standard recovery diodes have reverse recovery times exceeding 500 ns and are suitable for linear rectification and lower-frequency applications. The EGP30A features fast recovery (50 ns), while most 1N5400 variants employ standard recovery characteristics.

Q: Why does the STTH302 have a 200 V rating instead of 50 V?

A: The STTH302 is designed for applications requiring higher reverse voltage margins. While it maintains the same 3 A current rating and DO-201AD package as the EGP30A, the elevated voltage rating makes it suitable for circuits where 50 V is insufficient. This part is not a direct substitute but rather an alternative for applications with different voltage requirements.

Q: Is the SBR1045SD1-T suitable as a replacement for the EGP30A?

A: The SBR1045SD1-T is not a direct replacement. While it shares the DO-201AD package and maintains fast recovery characteristics, it provides 10 A current capacity at only 45 V reverse voltage. This part is suitable only for applications where current capacity is the limiting factor and 45 V reverse voltage is acceptable. Circuits designed for 50 V operation should not use this part.

Q: What does "Not For New Designs" product status mean?

A: "Not For New Designs" indicates that the manufacturer has discontinued active development and support for the part. While existing inventory may be available, the manufacturer does not guarantee long-term supply or support for new applications. For new designs, parts with Active product status are strongly preferred.

Q: Are all substitute parts ROHS3 compliant?

A: Yes, all substitute parts listed in this reference maintain ROHS3 compliance, matching the EGP30A's environmental certification status.

Q: Can I use the UF5400-E3/54 instead of the 1N5400-E3/54?

A: Yes, the UF5400-E3/54 is a suitable alternative. Both parts maintain 50 V and 3 A ratings with DO-201AD packaging. The primary difference is that the UF5400-E3/54 features fast recovery (50 ns) similar to the EGP30A, while the 1N5400-E3/54 employs standard recovery. For switching applications, the UF5400-E3/54 is preferred; for linear rectification, either part is acceptable.

Q: What is the operating temperature range consideration for substitution?

A: The EGP30A operates from -65°C to 150°C. Most substitute parts maintain this range or extend it. The 1N5400-E3/54 operates from -50°C to 150°C, which is acceptable for most applications. The STTH302 and STTH302RL specify a maximum junction temperature of 175°C rather than a range, which is acceptable for applications within standard operating conditions.

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