GP10A-M3/73 Equivalent & Substitute Parts

Part Overview

The GP10A-M3/73 is a general-purpose rectifier diode manufactured by Vishay General Semiconductor - Diodes Division, rated for 50 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, which necessitates identification of active equivalent and substitute components for ongoing design support and procurement continuity. Equivalent parts maintain identical electrical and mechanical specifications, while substitute parts satisfy the same functional requirements within defined parameter tolerances.

Key Parameters

Parameter	Value	Specification
Voltage - DC Reverse (Vr) (Max)	50 V	Maximum reverse voltage rating
Current - Average Rectified (Io)	1 A	Maximum average forward current
Voltage - Forward (Vf) (Max) @ If	1.1 V @ 1 A	Forward voltage drop at rated current
Reverse Recovery Time (trr)	3 µs	Standard recovery speed classification
Current - Reverse Leakage @ Vr	5 µA @ 50 V	Reverse saturation current
Capacitance @ Vr, F	8 pF @ 4 V, 1 MHz	Junction capacitance
Package / Case	DO-204AL, DO-41, Axial	Through-hole axial lead configuration
Operating Temperature - Junction	-65°C ~ 175°C	Maximum junction temperature range
Technology	Standard	Standard recovery rectifier
RoHS Status	ROHS3 Compliant	Environmental compliance

Substitute Part Grouping Explanation

Substitution of the GP10A-M3/73 is determined by the following critical parameters:

Electrical Equivalence Criteria:

Voltage - DC Reverse (Vr) (Max): 50 V minimum
Current - Average Rectified (Io): 1 A minimum
Voltage - Forward (Vf) (Max) @ If: ≤ 1.1 V @ 1 A
Current - Reverse Leakage @ Vr: ≤ 5 µA @ 50 V
Technology: Standard recovery (>500 ns) or faster

Mechanical Compatibility Criteria:

Mounting Type: Through Hole
Package / Case: DO-204AL, DO-41, or Axial equivalent
Lead configuration: Axial

Compliance Criteria:

RoHS Status: ROHS3 Compliant
REACH Status: REACH Unaffected

Parts are grouped into three categories: parametric equivalents (identical electrical specifications, active product status), direct equivalents (alternative manufacturers, identical specifications), and manufacturer-recommended substitutes (enhanced performance characteristics or alternative packaging formats that satisfy functional requirements).

Parameter Comparison

Manufacturer Part Number	Manufacturer	Vr (Max)	Io	Vf (Max) @ If	trr	Ir @ Vr	Package	Temp Range	Product Status
GP10A-M3/73	Vishay General Semiconductor	50 V	1 A	1.1 V @ 1 A	3 µs	5 µA @ 50 V	DO-204AL	-65°C ~ 175°C	Obsolete
1N4001GP-E3/73	Vishay General Semiconductor	50 V	1 A	1.1 V @ 1 A	2 µs	5 µA @ 50 V	DO-204AL	-65°C ~ 175°C	Active
1N4001GPE-E3/73	Vishay General Semiconductor	50 V	1 A	1.1 V @ 1 A	2 µs	5 µA @ 50 V	DO-204AL	-65°C ~ 175°C	Active
GP10A-E3/73	Vishay General Semiconductor	50 V	1 A	1.1 V @ 1 A	3 µs	5 µA @ 50 V	DO-204AL	-65°C ~ 175°C	Active
1N4001G	Taiwan Semiconductor Corporation	50 V	1 A	1 V @ 1 A	Not specified	5 µA @ 50 V	DO-204AL	-55°C ~ 150°C	Active
1N4001-BP	Micro Commercial Co	50 V	1 A	1 V @ 1 A	2 µs	5 µA @ 50 V	DO-41	-55°C ~ 150°C	Active
1N4001-G	Comchip Technology	50 V	1 A	1.1 V @ 1 A	Not specified	5 µA @ 50 V	DO-41	-55°C ~ 150°C	Active
1N4001G A0G	Taiwan Semiconductor Corporation	50 V	1 A	1 V @ 1 A	Not specified	5 µA @ 50 V	DO-204AL	-55°C ~ 150°C	Active
1N4001G R0G	Taiwan Semiconductor Corporation	50 V	1 A	1 V @ 1 A	Not specified	5 µA @ 50 V	DO-204AL	-55°C ~ 150°C	Discontinued at DiGi Electronics
1N4933G-T	Diodes Incorporated	50 V	1 A	1.2 V @ 1 A	200 ns	5 µA @ 50 V	DO-41	-65°C ~ 150°C	Active
1N6076	Microchip Technology	50 V	1.3 A	1.76 V @ 18.8 A	30 ns	5 µA @ 50 V	A, Axial	-65°C ~ 155°C	Active

Engineering Selection Recommendations

Primary Equivalent Selection:

The 1N4001GP-E3/73 and 1N4001GPE-E3/73 from Vishay General Semiconductor are direct parametric equivalents to the GP10A-M3/73. Both parts maintain identical electrical specifications (50 V, 1 A, 1.1 V forward voltage) and package configuration (DO-204AL). These parts are active products with ROHS3 compliance and REACH unaffected status. The 1N4001GP-E3/73 is available in Cut Tape packaging with 1145 units in stock, while 1N4001GPE-E3/73 is available with 780 units in stock.

Alternative Equivalent Selection:

The GP10A-E3/73 from Vishay General Semiconductor is functionally equivalent with identical electrical and thermal specifications. This part is active and ROHS3 compliant with 1164 units in stock.

Cross-Manufacturer Equivalents:

The 1N4001G from Taiwan Semiconductor Corporation satisfies all electrical requirements with forward voltage of 1 V @ 1 A (superior to the 1.1 V specification). This part is active, ROHS3 compliant, and available in 1492 units. Operating temperature range is -55°C to 150°C, which is narrower than the original part's -65°C to 175°C range.

The 1N4001-G from Comchip Technology is active and ROHS3 compliant with 56,269 units in stock. Forward voltage specification is 1.1 V @ 1 A, matching the original part. Operating temperature range is -55°C to 150°C.

The 1N4001-BP from Micro Commercial Co is active and ROHS3 compliant with 845 units in stock. Forward voltage is 1 V @ 1 A with reverse recovery time of 2 µs.

Enhanced Performance Alternative:

The 1N4933G-T from Diodes Incorporated offers fast recovery characteristics (200 ns trr) compared to the standard recovery of the original part. This part is active, ROHS3 compliant, and rated for -65°C to 150°C. Forward voltage is 1.2 V @ 1 A, which exceeds the original specification by 0.1 V.

Higher Current Alternative:

The 1N6076 from Microchip Technology is rated for 1.3 A average rectified current, exceeding the 1 A requirement. This part features fast recovery (30 ns trr) and is active. However, RoHS compliance status is non-compliant, which may restrict use in regulated applications.

Discontinued Part:

The 1N4001G R0G from Taiwan Semiconductor Corporation is discontinued at DiGi Electronics and should not be selected for new designs despite 8238 units remaining in inventory.

Frequently Asked Questions (FAQ)

Q: Can the 1N4001GP-E3/73 directly replace the GP10A-M3/73?

A: Yes. The 1N4001GP-E3/73 is a parametric equivalent with identical voltage rating (50 V), current rating (1 A), forward voltage (1.1 V @ 1 A), and package configuration (DO-204AL). Both parts are ROHS3 compliant and REACH unaffected. The primary difference is product status: the original is obsolete while the 1N4001GP-E3/73 is active.

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

A: The GP10A-M3/73 specifies standard recovery with reverse recovery time (trr) of 3 µs. The 1N4933G-T offers fast recovery with trr of 200 ns. Fast recovery diodes reduce switching losses in high-frequency applications but may introduce higher reverse voltage spikes. Selection depends on circuit operating frequency and switching characteristics.

Q: Are there packaging differences between substitute options?

A: Yes. The original GP10A-M3/73 uses DO-204AL (DO-41) axial package. Most equivalents maintain this package. The 1N4001-G from Comchip Technology specifies DO-41 package. The 1N6076 uses A (Axial) package, which is mechanically compatible but may have different lead spacing. Verify mechanical fit before substitution.

Q: What is the significance of the operating temperature range difference?

A: The GP10A-M3/73 operates from -65°C to 175°C junction temperature. Most active equivalents from Taiwan Semiconductor Corporation and Comchip Technology operate from -55°C to 150°C, a narrower range. If the application requires operation below -55°C or above 150°C, select the Vishay equivalents (1N4001GP-E3/73, 1N4001GPE-E3/73, or GP10A-E3/73) which maintain the -65°C to 175°C range.

Q: Why does the 1N6076 have a higher forward voltage specification?

A: The 1N6076 forward voltage specification (1.76 V @ 18.8 A) is measured at a significantly higher current level than the standard 1 A test condition. This does not indicate incompatibility; rather, it reflects different measurement methodology. At 1 A operation, the 1N6076 forward voltage would be substantially lower than the specified value.

Q: Is the 1N4001G R0G suitable for new designs?

A: No. Although 8238 units are in inventory, this part is discontinued at DiGi Electronics. New designs should not incorporate discontinued components. Select from active alternatives such as 1N4001GP-E3/73, 1N4001G, or 1N4001-G.

Q: What compliance certifications are critical for component selection?

A: All recommended equivalents maintain ROHS3 compliance and REACH unaffected status, matching the original part. The 1N6076 is RoHS non-compliant and should be avoided in applications requiring environmental compliance certification. Verify compliance requirements with design specifications before final selection.

Q: Can the 1N4001-BP from Micro Commercial Co be used in high-temperature applications?

A: The 1N4001-BP operates from -55°C to 150°C, which is narrower than the original part's -65°C to 175°C range. For applications requiring operation above 150°C, select Vishay equivalents (1N4001GP-E3/73, 1N4001GPE-E3/73, or GP10A-E3/73) which support up to 175°C.

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