GP10DHM3/73 Equivalent & Substitute Parts

Part Overview

The GP10DHM3/73 is a general-purpose rectifier diode manufactured by Vishay General Semiconductor - Diodes Division, rated for 200 V DC reverse voltage and 1 A average rectified current in a DO-204AL (DO-41) through-hole axial package. This part is classified as obsolete, though 1051 pieces remain in stock as new original inventory.

Equivalent and substitute parts are necessary due to the obsolete product status of the GP10DHM3/73. Active production alternatives with identical or superior electrical characteristics are available from multiple manufacturers, ensuring long-term supply chain continuity and design flexibility for new applications or production runs.

Key Parameters

Parameter	Value	Unit
Voltage - DC Reverse (Vr) (Max)	200	V
Current - Average Rectified (Io)	1	A
Voltage - Forward (Vf) (Max) @ If	1.1	V @ 1 A
Reverse Recovery Time (trr)	3	µs
Current - Reverse Leakage @ Vr	5	µA @ 200 V
Capacitance @ Vr, F	8	pF @ 4V, 1MHz
Operating Temperature - Junction	-65 to 175	°C
Mounting Type	Through Hole	-
Package / Case	DO-204AL, DO-41, Axial	-
Technology	Standard	-
RoHS Status	ROHS3 Compliant	-
Grade	Automotive	-
Qualification	AEC-Q101	-

Substitute Part Grouping Explanation

Substitute parts for the GP10DHM3/73 are grouped into two categories based on electrical and mechanical compatibility:

Parametric Equivalents share identical electrical specifications across all critical parameters: 200 V reverse voltage, 1 A average rectified current, 1.1 V forward voltage at 1 A, standard recovery speed, and DO-204AL (DO-41) axial through-hole packaging. These parts are direct functional replacements with no derating required.

Manufacturer Recommended Alternatives meet the core voltage and current requirements but may differ in secondary parameters such as reverse recovery time, forward voltage characteristics, or package form factor. These parts are suitable for applications where the primary electrical ratings are the limiting design factors.

The key parameters determining substitution eligibility are:

Voltage - DC Reverse (Vr) (Max): must equal or exceed 200 V
Current - Average Rectified (Io): must equal or exceed 1 A
Mounting Type: Through Hole (axial configuration)
Package / Case: DO-204AL, DO-41, or equivalent axial package
Operating Temperature Range: must encompass the application requirements

Parameter Comparison

Manufacturer Part Number	Manufacturer	Vr (Max) [V]	Io [A]	Vf (Max) @ If [V]	trr [µs]	Ir @ Vr [µA]	Package	Product Status	RoHS
GP10DHM3/73	Vishay	200	1	1.1 @ 1A	3	5 @ 200V	DO-204AL	Obsolete	ROHS3
1N4003GP-E3/73	Vishay	200	1	1.1 @ 1A	2	5 @ 200V	DO-204AL	Active	ROHS3
1N4003GPE-E3/53	Vishay	200	1	1.1 @ 1A	2	5 @ 200V	DO-204AL	Active	ROHS3
GP10-4003E-E3/53	Vishay	200	1	1.1 @ 1A	3	5 @ 200V	DO-204AL	Active	ROHS3
GP10D-E3/73	Vishay	200	1	1.1 @ 1A	3	5 @ 200V	DO-204AL	Active	ROHS3
1N3611	Microchip Technology	200	1	1.1 @ 1A	-	1 @ 200V	Axial	Active	Non-compliant
1N4003-G	Comchip Technology	200	1	1.1 @ 1A	-	5 @ 200V	DO-41	Active	ROHS3
1N4003GHA0G	Taiwan Semiconductor Corporation	200	1	1.0 @ 1A	-	5 @ 200V	DO-204AL	Active	ROHS3
1N4003GHR1G	Taiwan Semiconductor Corporation	200	1	1.0 @ 1A	-	5 @ 200V	DO-204AL	Active	ROHS3
1N4003T-G	Comchip Technology	200	1	1.1 @ 1A	-	5 @ 200V	DO-41	Active	ROHS3
BYW52-TAP	Vishay	200	2	1.0 @ 1A	4	1 @ 200V	SOD-57	Active	ROHS3

Engineering Selection Recommendations

Parametric Equivalents (Direct Replacements)

The Vishay SUPERECTIFIER® series parts 1N4003GP-E3/73, 1N4003GPE-E3/53, GP10-4003E-E3/53, and GP10D-E3/73 are parametric equivalents with active product status and ROHS3 compliance. These parts maintain identical voltage and current ratings with the GP10DHM3/73 and are packaged in the same DO-204AL (DO-41) axial configuration. The 1N4003GP-E3/73 and 1N4003GPE-E3/53 variants feature improved reverse recovery time (2 µs versus 3 µs), providing superior switching performance in rectification circuits. All four parts are suitable for direct substitution in existing designs without circuit modification.

Cross-Manufacturer Alternatives

The 1N4003-G and 1N4003T-G from Comchip Technology, and 1N4003GHA0G and 1N4003GHR1G from Taiwan Semiconductor Corporation, meet the core electrical specifications of 200 V reverse voltage and 1 A average rectified current. The Taiwan Semiconductor variants carry automotive-grade qualification (AEC-Q101) and feature marginally lower forward voltage (1.0 V versus 1.1 V at 1 A), offering reduced power dissipation in high-current applications. All cross-manufacturer alternatives are ROHS3 compliant and actively produced.

Higher Current Alternative

The BYW52-TAP from Vishay is an avalanche-technology diode rated for 2 A average rectified current at 200 V reverse voltage, packaged in SOD-57 axial form. This part is suitable for applications requiring current margin above the 1 A specification or where avalanche protection is beneficial. The SOD-57 package differs from DO-204AL, requiring mechanical board layout adjustment.

RoHS Compliance Consideration

The 1N3611 from Microchip Technology is RoHS non-compliant and should be selected only for applications where RoHS exemption is documented or where legacy system compatibility is required.

Frequently Asked Questions (FAQ)

Q: Can the 1N4003GP-E3/73 be used as a direct replacement for the GP10DHM3/73?

A: Yes. The 1N4003GP-E3/73 is a parametric equivalent with identical voltage (200 V), current (1 A), forward voltage (1.1 V @ 1 A), and package (DO-204AL axial). The part is actively produced and ROHS3 compliant. The improved reverse recovery time (2 µs versus 3 µs) provides enhanced performance with no derating required.

Q: What is the difference between the Vishay SUPERECTIFIER® variants (1N4003GP-E3/73, 1N4003GPE-E3/53, GP10-4003E-E3/53, GP10D-E3/73)?

A: All four parts share identical electrical ratings and DO-204AL packaging. The primary differences are reverse recovery time (1N4003GP-E3/73 and 1N4003GPE-E3/53 feature 2 µs; GP10-4003E-E3/53 and GP10D-E3/73 feature 3 µs) and packaging format (tape & reel versus bulk). Selection depends on procurement requirements and switching speed performance needs.

Q: Are cross-manufacturer alternatives (Comchip, Taiwan Semiconductor) electrically compatible?

A: Yes. The 1N4003-G, 1N4003T-G, 1N4003GHA0G, and 1N4003GHR1G all meet the 200 V reverse voltage and 1 A current specifications. The Taiwan Semiconductor variants feature automotive-grade qualification (AEC-Q101) and slightly lower forward voltage (1.0 V versus 1.1 V), making them suitable for applications with stricter thermal or power dissipation constraints.

Q: Why is the BYW52-TAP listed as an alternative if it has a different package (SOD-57)?

A: The BYW52-TAP is included as a manufacturer-recommended alternative for applications where the 1 A current rating is insufficient or where avalanche protection is required. The 2 A rating provides design margin. However, the SOD-57 package requires mechanical board layout changes and is not a direct pin-compatible replacement.

Q: What is the significance of the reverse recovery time (trr) difference between parts?

A: Reverse recovery time affects switching speed and switching losses in rectification circuits. The 1N4003GP-E3/73 and 1N4003GPE-E3/53 with 2 µs trr exhibit faster switching than the GP10DHM3/73 (3 µs), reducing power dissipation in high-frequency applications. For standard 50/60 Hz rectification, this difference is negligible.

Q: Should I select the 1N3611 from Microchip Technology?

A: The 1N3611 meets the electrical specifications but is RoHS non-compliant. Selection is appropriate only for legacy systems, applications with documented RoHS exemption, or where existing inventory constraints require non-compliant parts. For new designs, ROHS3-compliant alternatives are preferred.

Q: Are all substitute parts suitable for automotive applications?

A: The GP10DHM3/73, 1N4003GHA0G, and 1N4003GHR1G carry automotive-grade qualification (AEC-Q101). The Vishay SUPERECTIFIER® series and Comchip alternatives do not carry explicit automotive qualification in the provided specifications. Automotive application requirements should be verified against design standards and supplier documentation.

Q: What packaging options are available for the substitute parts?

A: All parametric equivalents and cross-manufacturer alternatives are available in DO-204AL (DO-41) axial through-hole packages, maintaining mechanical compatibility with the GP10DHM3/73. The BYW52-TAP uses SOD-57 axial packaging, which differs mechanically. Packaging format (tape & reel, tape & box, bulk) varies by manufacturer and part number suffix but does not affect electrical performance.

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