EGP30J Equivalent & Substitute Parts

Part Overview

The EGP30J is a general-purpose rectifier diode manufactured by onsemi, rated for 600 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 applications requiring rapid switching performance.

The EGP30J carries a "Not For New Designs" product status, indicating that onsemi has discontinued active development and support for this part number. Identifying equivalent and substitute parts is necessary to ensure design continuity, maintain supply chain reliability, and access components with active manufacturer support and current production availability.

Key Parameters

Parameter	Value	Unit
Voltage - DC Reverse (Vr) (Max)	600	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 @ 600 V
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 EGP30J is determined by the following critical parameters:

Voltage Rating: All substitute parts must maintain a maximum DC reverse voltage (Vr) of 600 V or greater to ensure safe operation within the original circuit design.

Current Rating: The average rectified current (Io) must be 3 A or higher. Parts rated for 4 A (such as MUR460G and MUR460RLG) are acceptable as they provide additional current capacity without compromising circuit compatibility.

Recovery Characteristics: The EGP30J employs fast recovery technology (≤ 500 ns). Substitute parts may operate with either fast recovery (≤ 500 ns) or standard recovery (> 500 ns) characteristics, as recovery speed does not prevent functional substitution in most applications; however, fast recovery variants maintain closer electrical performance alignment.

Package and Mounting: All substitute parts must use through-hole axial mounting in either DO-201AD, DO-201AA, DO-27, or SOD-64 packages to ensure mechanical compatibility with existing PCB layouts.

Forward Voltage: Forward voltage drop (Vf) varies among substitutes (ranging from 1.0 V to 1.28 V at 3-4 A), which may affect circuit efficiency and thermal performance but does not prevent functional substitution.

Temperature Range: Operating temperature ranges vary among substitutes (-55°C to -65°C minimum; 125°C to 175°C maximum). The EGP30J minimum of -65°C and maximum of 150°C define the baseline; substitutes with equal or wider ranges are acceptable.

Product Status and Compliance: Active product status and ROHS3 compliance are preferred for new applications and long-term supply assurance.

Parameter Comparison

Part Number	Manufacturer	Vr (Max) [V]	Io [A]	Vf (Max) @ If [V]	Speed	trr [ns]	Package	Temp Range [°C]	Product Status
EGP30J	onsemi	600	3	1.7 @ 3A	Fast Recovery ≤ 500ns	75	DO-201AD	-65 to 150	Not For New Designs
1N5406G	Taiwan Semiconductor Corporation	600	3	1.0 @ 3A	Standard Recovery > 500ns	—	DO-201AD	-55 to 150	Active
1N5406RLG	onsemi	600	3	1.0 @ 3A	Standard Recovery > 500ns	—	DO-201AA / DO-27	-65 to 150	Not For New Designs
MR856G	onsemi	600	3	1.25 @ 3A	Fast Recovery ≤ 500ns	300	DO-201AA / DO-27	-65 to 125	Active
MR856RLG	onsemi	600	3	1.25 @ 3A	Fast Recovery ≤ 500ns	300	DO-201AA / DO-27	-65 to 125	Active
MUR460G	onsemi	600	4	1.28 @ 4A	Fast Recovery ≤ 500ns	75	DO-201AA / DO-27	-65 to 175	Active
MUR460RLG	onsemi	600	4	1.28 @ 4A	Fast Recovery ≤ 500ns	75	DO-201AA / DO-27	-65 to 175	Active
1N5406-G	Comchip Technology	600	3	1.0 @ 3A	Standard Recovery > 500ns	—	DO-201AD / DO-27	-65 to 125	Active
1N5406GP-AP	Micro Commercial Co	600	3	1.1 @ 3A	Standard Recovery > 500ns	—	DO-201AD	-55 to 150	Active
1N5406GP-TP	Micro Commercial Co	600	3	1.1 @ 3A	Standard Recovery > 500ns	—	DO-201AD	-55 to 150	Active
1N5626-TAP	Vishay General Semiconductor - Diodes Division	600	3	1.0 @ 3A	Standard Recovery > 500ns	7500	SOD-64	-55 to 175	Active

Engineering Selection Recommendations

For Direct Replacement (DO-201AD Package, 3 A Rating):

The 1N5406G (Taiwan Semiconductor Corporation), 1N5406-G (Comchip Technology), 1N5406GP-AP, and 1N5406GP-TP (Micro Commercial Co) provide direct functional equivalence to the EGP30J. All maintain 600 V reverse voltage and 3 A current ratings with DO-201AD axial packaging. These parts carry Active product status and ROHS3 compliance. The primary trade-off is recovery speed: these parts employ standard recovery (> 500 ns) rather than the EGP30J's fast recovery (75 ns). This difference is acceptable in applications where switching speed is not a critical constraint.

For Enhanced Performance (Fast Recovery, Higher Current Capacity):

The MUR460G and MUR460RLG (onsemi) offer fast recovery characteristics (75 ns) matching the EGP30J, with an upgraded 4 A current rating. Both parts carry Active product status, ROHS3 compliance, and extended operating temperature ranges (-65°C to 175°C). These parts use DO-201AA/DO-27 axial packages, which are mechanically compatible with DO-201AD layouts. The MUR460RLG variant provides superior inventory availability (280,456 pcs) and Cut Tape packaging for automated assembly.

For Onsemi Ecosystem Continuity:

The MR856G and MR856RLG (onsemi) maintain fast recovery performance (300 ns) and Active product status. Both are manufactured by the original EGP30J supplier, ensuring design consistency and support continuity. These parts operate within the same temperature range as the EGP30J (-65°C to 125°C minimum/maximum) and provide 3 A current capacity in DO-201AA/DO-27 packages.

For Alternative Package Consideration:

The 1N5626-TAP (Vishay) provides a functionally equivalent 600 V / 3 A rectifier in SOD-64 through-hole packaging. This part carries Active status and extended temperature range (-55°C to 175°C). Selection of this part requires PCB layout modification to accommodate the SOD-64 package footprint.

Compliance and Supply Chain:

All recommended substitute parts maintain ROHS3 compliance and REACH Unaffected status, matching the EGP30J's regulatory posture. Parts with Active product status (1N5406G, 1N5406-G, 1N5406GP-AP, 1N5406GP-TP, MUR460G, MUR460RLG, MR856G, MR856RLG, 1N5626-TAP) are preferred for new designs and long-term supply assurance.

Frequently Asked Questions (FAQ)

Q: Can I use a 4 A rated diode (MUR460G or MUR460RLG) as a direct replacement for the 3 A EGP30J?

A: Yes. The 4 A rating indicates higher current capacity, which is a superset of the 3 A requirement. The diode will function correctly in circuits designed for 3 A operation. No circuit modification is required. The higher current rating provides additional design margin and thermal headroom.

Q: What is the difference between fast recovery and standard recovery diodes, and does it matter for my application?

A: Fast recovery diodes (≤ 500 ns) switch off more quickly than standard recovery diodes (> 500 ns). The EGP30J uses fast recovery (75 ns). In high-frequency switching applications, fast recovery reduces switching losses and electromagnetic interference. In low-frequency or linear applications, recovery speed has minimal impact. Consult your circuit design specifications to determine if recovery speed is critical.

Q: Are DO-201AD, DO-201AA, and DO-27 packages mechanically interchangeable?

A: DO-201AD and DO-27 are equivalent designations for the same axial through-hole package. DO-201AA is a slightly different axial variant. All three packages use the same 0.3-inch lead spacing and fit standard through-hole PCB layouts designed for axial diodes. Physical dimensions may vary slightly; verify against your PCB footprint if precision spacing is required.

Q: The 1N5406G has a lower forward voltage (1.0 V) than the EGP30J (1.7 V). Will this affect my circuit?

A: Lower forward voltage reduces power dissipation in the diode, which improves circuit efficiency and reduces heat generation. This is a beneficial characteristic. If your circuit design includes compensation for the EGP30J's 1.7 V drop, the lower drop of the 1N5406G will result in slightly higher output voltage or reduced power loss. This is generally acceptable and often desirable.

Q: Can I substitute the EGP30J with the 1N5626-TAP (SOD-64 package)?

A: Functionally, yes. The 1N5626-TAP maintains 600 V / 3 A ratings and ROHS3 compliance. However, the SOD-64 package has a different physical footprint than the DO-201AD package used by the EGP30J. PCB layout modification is required to accommodate the SOD-64 lead configuration. This substitution is suitable only if PCB redesign is feasible.

Q: Why is the EGP30J marked "Not For New Designs"?

A: This status indicates that onsemi has discontinued active development and support for this part. Existing inventory may remain available, but the manufacturer does not guarantee long-term supply or design support. For new designs, selecting an Active-status part (such as MUR460RLG, MR856RLG, or 1N5406G) ensures access to current manufacturing, technical support, and supply chain continuity.

Q: What is the difference between MUR460G and MUR460RLG?

A: Both parts are electrically identical 600 V / 4 A fast recovery diodes from onsemi. The primary difference is packaging: MUR460G is supplied in Bulk packaging, while MUR460RLG is supplied in Cut Tape (CT) packaging. MUR460RLG offers significantly higher inventory availability (280,456 pcs vs. 2,500 pcs) and is optimized for automated assembly processes. For production applications, MUR460RLG is the preferred variant.

Q: Can I use MR856G or MR856RLG if my circuit requires operation above 125°C?

A: No. The MR856G and MR856RLG are rated for maximum junction temperature of 125°C. If your application requires operation up to 150°C or higher, select MUR460G, MUR460RLG, or 1N5626-TAP, which are rated to 175°C, or 1N5406G / 1N5406-G / 1N5406GP-AP / 1N5406GP-TP, which are rated to 150°C.

Q: Are all substitute parts ROHS3 compliant?

A: Yes. All substitute parts listed in this reference carry ROHS3 Compliant status and REACH Unaffected designation, matching the EGP30J's regulatory compliance profile.

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