AM01A Equivalent & Substitute Parts

Part Overview

The AM01A is a general-purpose rectifier diode manufactured by Sanken Electric USA Inc., rated for 600 V DC reverse voltage and 1 A average rectified current in an axial through-hole package. This component is classified as a fast recovery diode with recovery time ≤ 500 ns at currents > 200 mA, operating across a junction temperature range of -40°C to 150°C. The part is RoHS compliant and currently active in production.

Equivalent and substitute parts are necessary when the AM01A becomes unavailable, when alternative sourcing is required for supply chain optimization, or when design flexibility permits selection from multiple qualified manufacturers offering identical or compatible electrical and mechanical specifications.

Key Parameters

Parameter	Value	Unit
Voltage - DC Reverse (Vr) Maximum	600	V
Current - Average Rectified (Io)	1	A
Voltage - Forward (Vf) Maximum @ If	980 mV @ 1 A	mV @ A
Recovery Speed	Fast Recovery ≤ 500 ns	ns
Current - Reverse Leakage @ Vr	10	µA @ 600 V
Mounting Type	Through Hole	—
Package / Case	Axial	—
Operating Temperature - Junction	-40 to 150	°C
RoHS Status	RoHS Compliant	—
Moisture Sensitivity Level	1 (Unlimited)	—

Substitute Part Grouping Explanation

Substitution of the AM01A is determined by strict equivalence across the following critical parameters:

Mandatory Matching Parameters:

Voltage - DC Reverse (Vr) Maximum: 600 V
Current - Average Rectified (Io): 1 A
Mounting Type: Through Hole
Package / Case: Axial or compatible through-hole axial form factor

Acceptable Variation Parameters:

Voltage - Forward (Vf) Maximum: Substitute parts may exhibit forward voltage up to 1.3 V @ 3 A, provided the part meets or exceeds the 600 V / 1 A core ratings
Recovery Speed: Substitute parts may be standard recovery (>500 ns) or fast recovery (≤500 ns); both are acceptable
Current - Reverse Leakage: Substitute parts rated at 5 µA or 10 µA @ 600 V are acceptable
Operating Temperature Range: Substitute parts with extended or equivalent temperature ranges are acceptable
RoHS Status: Both RoHS compliant and RoHS3 compliant parts are acceptable

Package Compatibility: The AM01A uses an axial through-hole package. Substitute parts in DO-204AL (DO-41) axial packages are directly compatible. Parts designated as DO-41 or axial are mechanically and electrically interchangeable.

Parameter Comparison

Part Number	Manufacturer	Vr (Max) V	Io (A)	Vf (Max) @ If	Recovery Speed	Ir @ Vr (µA)	Package	Tj Range (°C)	RoHS Status	Product Status
AM01A	Sanken Electric USA Inc.	600	1	980 mV @ 1 A	Fast ≤500 ns	10 @ 600 V	Axial	-40 to 150	RoHS Compliant	Active
1N4005-E3/54	Vishay General Semiconductor	600	1	1.1 V @ 1 A	Standard >500 ns	5 @ 600 V	DO-204AL (DO-41)	-55 to 150	ROHS3 Compliant	Active
1N4005-E3/73	Vishay General Semiconductor	600	1	1.1 V @ 1 A	Standard >500 ns	5 @ 600 V	DO-204AL (DO-41)	-55 to 150	ROHS3 Compliant	Active
1N4005-T	Diodes Incorporated	600	1	1 V @ 1 A	Standard >500 ns	5 @ 600 V	DO-41	-65 to 150	ROHS3 Compliant	Last Time Buy
1N4005-TP	Micro Commercial Co	600	1	1.1 V @ 1 A	Standard >500 ns	5 @ 600 V	DO-41	-55 to 150	ROHS3 Compliant	Active
1N4005G	Good-Ark Semiconductor	600	1	1.1 V @ 1 A	Standard >500 ns	5 @ 600 V	DO-204AL (DO-41)	-55 to 150	ROHS3 Compliant	Active
1N4005G-T	Diodes Incorporated	600	1	1 V @ 1 A	Standard >500 ns	5 @ 600 V	DO-41	-65 to 175	ROHS3 Compliant	Active
1N4005GP-E3/54	Vishay General Semiconductor	600	1	1.1 V @ 1 A	Standard >500 ns	5 @ 600 V	DO-204AL (DO-41)	-65 to 175	ROHS3 Compliant	Active
1N4005GP-E3/73	Vishay General Semiconductor	600	1	1.1 V @ 1 A	Standard >500 ns	5 @ 600 V	DO-204AL (DO-41)	-65 to 175	ROHS3 Compliant	Active
1N4005RLG	onsemi	600	1	1.1 V @ 1 A	Standard >500 ns	10 @ 600 V	Axial	-65 to 175	ROHS3 Compliant	Not For New Designs
1N4247	Microchip Technology	600	1	1.3 V @ 3 A	Standard >500 ns	1 @ 600 V	Axial	-65 to 175	RoHS non-compliant	Active

Engineering Selection Recommendations

Primary Substitutes (Active Status, Full Compliance):

The following parts are recommended as direct substitutes for the AM01A based on active product status and RoHS3 compliance:

1N4005-E3/54 (Vishay): Active status, ROHS3 compliant, extended temperature range (-55°C to 150°C), 60,913 units in stock
1N4005-E3/73 (Vishay): Active status, ROHS3 compliant, extended temperature range (-55°C to 150°C), 80,421 units in stock
1N4005-TP (Micro Commercial Co): Active status, ROHS3 compliant, 110,625 units in stock
1N4005G (Good-Ark Semiconductor): Active status, ROHS3 compliant, 5,100 units in stock
1N4005G-T (Diodes Incorporated): Active status, ROHS3 compliant, extended temperature range (-65°C to 175°C), 21,675 units in stock
1N4005GP-E3/54 (Vishay SUPERECTIFIER® series): Active status, ROHS3 compliant, extended temperature range (-65°C to 175°C), 60,913 units in stock
1N4005GP-E3/73 (Vishay SUPERECTIFIER® series): Active status, ROHS3 compliant, extended temperature range (-65°C to 175°C), 12,200 units in stock

Secondary Substitutes (Limited Applicability):

1N4005-T (Diodes Incorporated): Last Time Buy status; suitable only for existing designs with no new production planned
1N4005RLG (onsemi): Not For New Designs status; axial package matches AM01A form factor but restricted for new applications
1N4247 (Microchip Technology): RoHS non-compliant; active status but does not meet RoHS compliance requirements of the AM01A

Selection Criteria:

For applications requiring RoHS compliance and active product status, select from the primary substitute group. The 1N4005 series variants (Vishay, Diodes Incorporated, Micro Commercial Co, Good-Ark) all meet the 600 V / 1 A electrical specifications and through-hole axial package requirements. Extended temperature range variants (1N4005G-T, 1N4005GP-E3/54, 1N4005GP-E3/73) provide operational capability to 175°C, exceeding the AM01A's 150°C maximum.

Frequently Asked Questions (FAQ)

Q: Can the 1N4005 series parts directly replace the AM01A?

A: Yes. The 1N4005 series parts (1N4005-E3/54, 1N4005-E3/73, 1N4005-TP, 1N4005G, 1N4005G-T, 1N4005GP-E3/54, 1N4005GP-E3/73) are direct electrical and mechanical equivalents. All share identical 600 V reverse voltage and 1 A average rectified current ratings. All are packaged in DO-204AL (DO-41) or axial through-hole form factors compatible with AM01A footprints.

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

A: The AM01A is specified as fast recovery with recovery time ≤ 500 ns at currents > 200 mA. The 1N4005 series substitutes are standard recovery diodes with recovery time > 500 ns. Both types meet the 600 V / 1 A ratings. Standard recovery diodes are acceptable substitutes when circuit design does not require the faster switching characteristics of fast recovery devices.

Q: Are there differences in forward voltage between the AM01A and substitute parts?

A: Yes. The AM01A specifies 980 mV maximum forward voltage at 1 A. Substitute parts specify 1.0 V to 1.1 V at 1 A, with the 1N4247 rated at 1.3 V at 3 A. These variations are within acceptable limits for general-purpose rectifier applications. Verify forward voltage specifications against circuit design requirements if precise voltage drop calculations are critical.

Q: Why is the 1N4247 listed as a substitute if it is RoHS non-compliant?

A: The 1N4247 meets all electrical and mechanical specifications (600 V, 1 A, axial through-hole package) and is active in production. However, it does not meet RoHS compliance requirements. It is included for reference in applications where RoHS compliance is not mandated. For RoHS-compliant designs, select from the primary substitute group.

Q: What does "Last Time Buy" status mean for the 1N4005-T?

A: Last Time Buy status indicates that the manufacturer (Diodes Incorporated) has announced end-of-life for this part. New orders may be accepted for a limited period, but production will cease. This part is suitable for sustaining existing designs but not recommended for new product development. Active alternatives such as 1N4005-TP or 1N4005G-T are preferred for new designs.

Q: Can I use the 1N4005RLG as a substitute?

A: The 1N4005RLG is electrically equivalent and shares the axial package form factor with the AM01A. However, it carries "Not For New Designs" status from onsemi. It is suitable only for replacement or repair of existing equipment. For new designs, select from the active product alternatives.

Q: What is the significance of the "-E3/54" and "-E3/73" suffixes on Vishay parts?

A: These suffixes denote different tape and reel packaging configurations and manufacturing locations. The "-E3/54" and "-E3/73" variants are electrically identical and both are acceptable substitutes. The suffix does not affect electrical performance or compatibility.

Q: Are there temperature range considerations when selecting a substitute?

A: The AM01A operates from -40°C to 150°C junction temperature. Most substitute parts extend this range to -55°C or -65°C minimum and 150°C to 175°C maximum. Extended temperature range parts (1N4005G-T, 1N4005GP-E3/54, 1N4005GP-E3/73) rated to 175°C provide additional thermal margin. Select based on actual circuit operating temperature requirements.

Q: Is the 1N4005 series available in different package styles?

A: Yes. The 1N4005 series is available in DO-204AL (DO-41) and axial through-hole packages. The AM01A uses an axial package. All listed substitutes are compatible with axial through-hole PCB layouts. Verify specific package designation (DO-41 vs. axial) against your PCB footprint before final selection.

Q: What reverse leakage current differences exist between the AM01A and substitutes?

A: The AM01A specifies 10 µA reverse leakage at 600 V. Most 1N4005 variants specify 5 µA at 600 V, representing lower leakage. The 1N4247 specifies 1 µA at 600 V. Lower reverse leakage is generally beneficial and does not create compatibility issues. The 1N4005RLG matches the AM01A at 10 µA.

Q: Can I mix different substitute part numbers in the same circuit board?

A: Yes. All listed substitute parts meet identical electrical specifications (600 V, 1 A) and are mechanically compatible. Mixing different manufacturers or variants within the same design is acceptable from an electrical standpoint. However, for manufacturing consistency and traceability, single-source selection is recommended where possible.

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