1N6623 Equivalent & Substitute Parts

Part Overview

The 1N6623 is a general-purpose rectifier diode manufactured by Microchip Technology, rated for 880 V DC reverse voltage and 1 A average rectified current. This through-hole axial component operates across a junction temperature range of -65°C to 150°C and features fast recovery characteristics with a reverse recovery time of 50 ns. The part is currently active in production with 1106 units in stock. Equivalent and substitute parts are identified based on matching electrical performance parameters and mechanical compatibility within the through-hole axial diode category.

Key Parameters

Parameter	Value	Unit
Voltage - DC Reverse (Vr) (Max)	880	V
Current - Average Rectified (Io)	1	A
Voltage - Forward (Vf) (Max) @ If	1.55 @ 1 A	V
Reverse Recovery Time (trr)	50	ns
Current - Reverse Leakage @ Vr	500 nA @ 880 V	nA
Mounting Type	Through Hole	-
Package / Case	A, Axial	-
Operating Temperature - Junction	-65 to 150	°C

Substitute Part Grouping Explanation

Substitution of the 1N6623 is determined by the following critical parameters:

Electrical Compatibility Criteria:

Voltage - DC Reverse (Vr) rating must equal or exceed 880 V
Current - Average Rectified (Io) must equal or exceed 1 A
Operating temperature range must accommodate the application requirements
Forward voltage and reverse recovery characteristics must be compatible with circuit operation

Mechanical Compatibility Criteria:

Mounting type must be through-hole
Package configuration must be axial or compatible axial variant
Physical dimensions must permit direct board-level substitution

The substitute parts listed below meet these criteria with voltage ratings at or above 880 V and current ratings equal to 1 A, all in through-hole axial configurations.

Parameter Comparison

Parameter	1N6623 (Main)	EGP10K	GP10M-E3/54	MPG06K-E3/54	MPG06M-E3/73
Manufacturer	Microchip Technology	Fairchild Semiconductor	Vishay General Semiconductor	Vishay General Semiconductor	Vishay General Semiconductor
Voltage - DC Reverse (Vr) (Max)	880 V	800 V	1000 V	800 V	1000 V
Current - Average Rectified (Io)	1 A	1 A	1 A	1 A	1 A
Voltage - Forward (Vf) (Max) @ If	1.55 V @ 1 A	1.7 V @ 1 A	1.2 V @ 1 A	1.1 V @ 1 A	1.1 V @ 1 A
Reverse Recovery Time (trr)	50 ns	75 ns	3 µs	600 ns	600 ns
Current - Reverse Leakage @ Vr	500 nA @ 880 V	5 µA @ 800 V	5 µA @ 1000 V	5 µA @ 800 V	5 µA @ 1000 V
Mounting Type	Through Hole	Through Hole	Through Hole	Through Hole	Through Hole
Package / Case	A, Axial	DO-204AL (DO-41), Axial	DO-204AL (DO-41), Axial	MPG06, Axial	MPG06, Axial
Operating Temperature - Junction	-65 to 150°C	-65 to 150°C	-65 to 175°C	-55 to 150°C	-55 to 150°C
Product Status	Active	Active	Active	Active	Active
RoHS Status	Non-compliant	Not specified	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant

Engineering Selection Recommendations

EGP10K (Fairchild Semiconductor): This substitute operates at 800 V maximum reverse voltage, which is below the 1N6623 rating of 880 V. Selection of this part is appropriate only for applications where the actual operating voltage does not exceed 800 V. The part maintains 1 A current rating and through-hole axial configuration. Product status is active.

GP10M-E3/54 (Vishay General Semiconductor): This substitute provides 1000 V reverse voltage rating, exceeding the 1N6623 specification. It maintains 1 A current rating and through-hole axial configuration. Operating temperature range extends to 175°C, providing additional thermal margin. This part is ROHS3 compliant and carries active product status. The reverse recovery time of 3 µs indicates standard recovery speed, differing from the 1N6623 fast recovery characteristic.

MPG06K-E3/54 (Vishay General Semiconductor): This substitute operates at 800 V maximum reverse voltage, below the 1N6623 rating. It maintains 1 A current rating and features the MPG06 axial package. Forward voltage is lower at 1.1 V compared to 1.55 V for the 1N6623. This part is ROHS3 compliant with active product status. Minimum operating temperature is -55°C, compared to -65°C for the 1N6623.

MPG06M-E3/73 (Vishay General Semiconductor): This substitute provides 1000 V reverse voltage rating, exceeding the 1N6623 specification. It maintains 1 A current rating and features the MPG06 axial package. Forward voltage is lower at 1.1 V. This part is ROHS3 compliant with active product status. Minimum operating temperature is -55°C, compared to -65°C for the 1N6623.

Frequently Asked Questions (FAQ)

Q: Can the EGP10K or MPG06K-E3/54 be used as direct replacements for the 1N6623?

A: These parts are rated for 800 V maximum reverse voltage, which is 80 V below the 1N6623 rating of 880 V. They are suitable only for applications where the actual operating voltage does not exceed 800 V. If the circuit operates at voltages between 800 V and 880 V, these substitutes are not appropriate.

Q: What is the advantage of using GP10M-E3/54 or MPG06M-E3/73 over the 1N6623?

A: Both parts provide 1000 V reverse voltage rating, offering 120 V additional margin above the 1N6623 specification. Both are ROHS3 compliant, whereas the 1N6623 is non-compliant. GP10M-E3/54 extends the operating temperature range to 175°C. These characteristics provide design flexibility for applications requiring higher voltage margins or environmental compliance.

Q: Are there package compatibility differences between these substitutes?

A: The 1N6623 uses the A axial package. The EGP10K uses the DO-204AL (DO-41) axial package. The MPG06K-E3/54 and MPG06M-E3/73 use the MPG06 axial package. All are through-hole axial configurations, but physical dimensions may differ. Board layout verification is necessary to confirm mechanical fit.

Q: How do the recovery characteristics differ among these parts?

A: The 1N6623 features fast recovery with 50 ns reverse recovery time. The EGP10K provides 75 ns recovery time, also classified as fast recovery. The GP10M-E3/54, MPG06K-E3/54, and MPG06M-E3/73 feature standard recovery with recovery times of 3 µs, 600 ns, and 600 ns respectively. Applications requiring fast switching may be affected by these differences.

Q: What is the significance of forward voltage differences?

A: The 1N6623 has a maximum forward voltage of 1.55 V at 1 A. The substitute parts range from 1.1 V to 1.7 V. Lower forward voltage reduces power dissipation and heat generation. Higher forward voltage increases power dissipation. Circuit design must account for these differences in thermal and power budget calculations.

Q: Which substitute offers the best compliance profile?

A: All substitute parts except EGP10K are ROHS3 compliant. The 1N6623 is RoHS non-compliant. If regulatory compliance is a requirement, GP10M-E3/54, MPG06K-E3/54, or MPG06M-E3/73 are appropriate selections.

Q: Can substitutes with higher voltage ratings be used in place of the 1N6623?

A: Yes. GP10M-E3/54 and MPG06M-E3/73, both rated for 1000 V, can be used in applications designed for 880 V operation. Higher voltage ratings provide additional safety margin and do not degrade circuit performance in this application category.

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