EGP30K Equivalent & Substitute Parts

Part Overview

The EGP30K is a general-purpose rectifier diode manufactured by onsemi, rated for 800 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 75 ns, making it suitable for switching applications. The EGP30K is classified as "Not For New Designs," indicating that onsemi has discontinued active development for this part number. Identification of equivalent and substitute parts is necessary for design continuity, inventory management, and sourcing flexibility when the primary part becomes unavailable or when alternative specifications better suit application requirements.

Key Parameters

Parameter	Value	Unit
Voltage - DC Reverse (Vr) (Max)	800	V
Current - Average Rectified (Io)	3	A
Voltage - Forward (Vf) (Max) @ If	1.7 V @ 3 A	V
Speed	Fast Recovery ≤ 500ns, > 200mA (Io)	—
Reverse Recovery Time (trr)	75	ns
Current - Reverse Leakage @ Vr	5	µA @ 800 V
Capacitance @ Vr, F	75	pF @ 4V, 1MHz
Mounting Type	Through Hole	—
Package / Case	DO-201AD, Axial	—
Operating Temperature - Junction	-65 to 150	°C
RoHS Status	ROHS3 Compliant	—

Substitute Part Grouping Explanation

Substitution of the EGP30K is determined by the following critical parameters:

Voltage Rating: The substitute part must support a minimum DC reverse voltage (Vr) of 800 V. Parts rated at higher voltages (1000 V) are acceptable as they provide additional safety margin but are not required.

Current Rating: The substitute part must support a minimum average rectified current (Io) of 3 A. Parts rated at higher currents are acceptable.

Recovery Characteristics: The EGP30K exhibits fast recovery (≤ 500ns). Substitute parts may have either fast recovery or standard recovery (> 500ns) characteristics, as recovery speed does not prevent functional substitution in general-purpose rectification applications.

Package Compatibility: The substitute part must use a through-hole axial package compatible with DO-201AD or equivalent mechanical form factors (DO-201AA, DO-27).

Forward Voltage: Forward voltage drop varies among substitutes but does not preclude substitution. Variations in Vf affect power dissipation and thermal performance but do not prevent functional replacement.

Compliance: All substitute parts must maintain ROHS3 compliance and REACH unaffected status to ensure regulatory alignment with the original part.

Substitute parts are grouped into two categories:

Category A - Direct Voltage/Current Match (800 V, 3 A): Parts with identical voltage and current ratings, including 1N5407G, 1N5407RLG, 1N5407-E3/54, 1N5407-G, 1N5407GP-AP, and 1N5407GP-TP. These parts provide the closest functional equivalence.

Category B - Elevated Voltage/Current (1000 V, 4 A): Parts with higher voltage and current ratings, including MUR4100EG and MUR4100ERLG. These parts exceed the EGP30K specifications and are suitable for applications requiring additional design margin.

Parameter Comparison

Part Number	Manufacturer	Vr (Max) [V]	Io [A]	Vf (Max) @ If [V]	Speed	trr [ns]	Ir @ Vr [µA]	Package	Status
EGP30K	onsemi	800	3	1.7 @ 3A	Fast Recovery ≤ 500ns	75	5 @ 800V	DO-201AD	Not For New Designs
1N5407G	Taiwan Semiconductor Corporation	800	3	1.0 @ 3A	Standard Recovery > 500ns	—	5 @ 800V	DO-201AD	Active
1N5407RLG	onsemi	800	3	1.0 @ 3A	Standard Recovery > 500ns	—	10 @ 800V	DO-201AA, DO-27	Not For New Designs
MUR4100EG	onsemi	1000	4	1.85 @ 4A	Fast Recovery ≤ 500ns	100	25 @ 1000V	DO-201AA, DO-27	Active
MUR4100ERLG	onsemi	1000	4	1.85 @ 4A	Fast Recovery ≤ 500ns	100	25 @ 1000V	DO-201AA, DO-27	Active
1N5407-E3/54	Vishay General Semiconductor - Diodes Division	800	3	1.2 @ 3A	Standard Recovery > 500ns	—	5 @ 800V	DO-201AD	Active
1N5407-G	Comchip Technology	800	3	1.0 @ 3A	Standard Recovery > 500ns	—	5 @ 800V	DO-201AD	Active
1N5407GP-AP	Micro Commercial Co	800	3	1.1 @ 3A	Standard Recovery > 500ns	—	5 @ 800V	DO-201AD	Active
1N5407GP-TP	Micro Commercial Co	800	3	1.1 @ 3A	Standard Recovery > 500ns	—	5 @ 800V	DO-201AD	Active
1N5408-E3/54	Vishay General Semiconductor - Diodes Division	1000	3	1.2 @ 3A	Standard Recovery > 500ns	—	5 @ 1000V	DO-201AD	Active
1N5408GP-AP	Micro Commercial Co	1000	3	1.1 @ 3A	Standard Recovery > 500ns	—	5 @ 1000V	DO-201AD	Active

Engineering Selection Recommendations

For Direct Replacement (800 V, 3 A Rating):

The 1N5407-E3/54 (Vishay General Semiconductor - Diodes Division) is recommended as the primary substitute. This part maintains the 800 V / 3 A specification, is classified as Active product status, and is available in DO-201AD package with Cut Tape (CT) packaging. The part is ROHS3 compliant and REACH unaffected, matching the regulatory profile of the EGP30K.

The 1N5407-G (Comchip Technology) and 1N5407GP-TP (Micro Commercial Co) are secondary alternatives, both rated 800 V / 3 A with Active status. The 1N5407GP-TP is available in Tape & Reel (TR) packaging, suitable for automated assembly processes.

For Elevated Specification Applications (1000 V, 4 A Rating):

The MUR4100ERLG (onsemi) is recommended when higher voltage and current margins are required. This part is rated 1000 V / 4 A, features fast recovery characteristics matching the EGP30K, and is classified as Active product status. The MUR4100ERLG is available in Cut Tape (CT) packaging with 217,300 pieces in stock, providing superior supply availability. The MUR4100EG (onsemi) is an equivalent alternative available in Bulk packaging.

Product Status Consideration:

The EGP30K and 1N5407RLG are both classified as "Not For New Designs." For new design implementations, selection of Active status parts (1N5407-E3/54, 1N5407-G, 1N5407GP-TP, MUR4100EG, MUR4100ERLG, 1N5408-E3/54, 1N5408GP-AP) is required to ensure long-term supply continuity and manufacturer support.

Frequently Asked Questions (FAQ)

Q: Can the 1N5407 series parts directly replace the EGP30K?

A: Yes. The 1N5407 series parts (1N5407G, 1N5407-E3/54, 1N5407-G, 1N5407GP-AP, 1N5407GP-TP) are rated 800 V / 3 A and are mechanically and electrically compatible with the EGP30K in DO-201AD axial through-hole packages. All maintain ROHS3 compliance and REACH unaffected status.

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

A: The EGP30K features fast recovery with a reverse recovery time (trr) of 75 ns. Most 1N5407 series substitutes exhibit standard recovery (> 500ns). In general-purpose rectification applications, both recovery types function as direct replacements. Fast recovery characteristics provide advantages in high-frequency switching applications where reduced reverse recovery time minimizes switching losses and electromagnetic interference.

Q: Can I use the MUR4100ERLG in place of the EGP30K?

A: Yes. The MUR4100ERLG is rated 1000 V / 4 A, exceeding the EGP30K specifications of 800 V / 3 A. The higher voltage and current ratings provide additional design margin. The MUR4100ERLG is mechanically compatible in DO-201AA and DO-27 axial packages. This substitution is suitable when elevated specifications are acceptable or beneficial for application reliability.

Q: Are there packaging differences between substitute parts?

A: Yes. The EGP30K uses DO-201AD package. Substitute parts use DO-201AD, DO-201AA, or DO-27 packages. All three are axial through-hole packages with compatible mechanical form factors. DO-201AA and DO-27 are equivalent designations for the same physical package. Verify mechanical fit in the target application before final selection.

Q: Which substitute part offers the best supply availability?

A: The MUR4100ERLG (onsemi) has 217,300 pieces in stock, significantly exceeding inventory levels of other substitutes. The 1N5407-E3/54 (Vishay) has 5,985 pieces available. For applications requiring immediate availability or high-volume procurement, the MUR4100ERLG provides superior supply security.

Q: What is the significance of "Not For New Designs" status?

A: "Not For New Designs" indicates that the manufacturer has discontinued active development and support for the part. While existing inventory remains available, the manufacturer does not guarantee long-term supply or design support. For new product designs, selection of parts with "Active" status ensures manufacturer commitment to continued production, technical support, and supply continuity.

Q: How does forward voltage (Vf) variation affect substitution?

A: The EGP30K has a maximum forward voltage of 1.7 V @ 3 A, while most 1N5407 series substitutes range from 1.0 to 1.2 V @ 3 A. Lower forward voltage reduces power dissipation and heat generation. Higher forward voltage increases power dissipation. Substitution is functionally valid across this range; however, thermal design calculations should account for the specific Vf of the selected part to ensure adequate heat management.

Q: Are all substitute parts RoHS3 compliant?

A: Yes. All substitute parts listed are ROHS3 compliant and REACH unaffected, matching the regulatory compliance of the EGP30K. This ensures compatibility with environmental and hazardous substance regulations applicable to the original part.

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