Equivalent & Substitute Parts for 60S4-TP General Purpose Rectifier Diode

Part Overview

The 60S4-TP is a general purpose rectifier diode manufactured by Micro Commercial Co, rated for 400V DC reverse voltage and 6A average rectified current in a DO-201AD axial through-hole package. This part carries a "Not For New Designs" status, indicating it is obsolete or being phased out. Identifying equivalent substitute parts is necessary to maintain design continuity and ensure component availability for production and repair applications.

Key Parameters

Parameter	Value	Unit
Voltage - DC Reverse (Vr) (Max)	400	V
Current - Average Rectified (Io)	6	A
Voltage - Forward (Vf) (Max) @ If	1 V @ 6 A	V @ A
Speed	Standard Recovery >500ns, > 200mA (Io)	-
Current - Reverse Leakage @ Vr	5	µA @ 400 V
Mounting Type	Through Hole	-
Package / Case	DO-201AD, Axial	-
Operating Temperature - Junction	-55°C ~ 150°C	°C
RoHS Status	ROHS3 Compliant	-

Substitute Part Grouping Explanation

Substitution eligibility for the 60S4-TP is determined by the following critical parameters:

Primary Matching Criteria:

Voltage - DC Reverse (Vr) (Max): 400 V minimum
Current - Average Rectified (Io): 6 A minimum
Mounting Type: Through Hole
Technology: Standard Recovery

Secondary Compatibility Factors:

Forward voltage (Vf) characteristics within acceptable operating range
Reverse leakage current performance
Operating temperature range compatibility
RoHS compliance status for regulatory alignment

The substitute parts identified below meet or exceed the primary electrical specifications of the 60S4-TP while maintaining through-hole axial package compatibility. Variations in package geometry (DO-201AD vs. P600) and forward voltage characteristics are noted for engineering evaluation.

Parameter Comparison

Parameter	60S4-TP	1N5551	6A04-G	GI754-E3/54
Manufacturer	Micro Commercial Co	Microchip Technology	Comchip Technology	Vishay General Semiconductor
Voltage - DC Reverse (Vr) (Max)	400 V	400 V	400 V	400 V
Current - Average Rectified (Io)	6 A	3 A	6 A	6 A
Voltage - Forward (Vf) (Max) @ If	1 V @ 6 A	1.2 V @ 9 A	1.1 V @ 6 A	900 mV @ 6 A
Speed	Standard Recovery >500ns, > 200mA (Io)	Standard Recovery >500ns, > 200mA (Io)	Standard Recovery >500ns, > 200mA (Io)	Standard Recovery >500ns, > 200mA (Io)
Current - Reverse Leakage @ Vr	5 µA @ 400 V	1 µA @ 400 V	5 µA @ 400 V	5 µA @ 400 V
Mounting Type	Through Hole	Through Hole	Through Hole	Through Hole
Package / Case	DO-201AD, Axial	B, Axial	P600, Axial	P600, Axial
Operating Temperature - Junction	-55°C ~ 150°C	-65°C ~ 175°C	-55°C ~ 125°C	-50°C ~ 150°C
Product Status	Not For New Designs	Active	Active	Active
RoHS Status	ROHS3 Compliant	RoHS non-compliant	ROHS3 Compliant	ROHS3 Compliant

Engineering Selection Recommendations

Full Substitutes (6A Current Rating):

The 6A04-G (Comchip Technology) and GI754-E3/54 (Vishay) are direct electrical equivalents to the 60S4-TP, both rated for 400V and 6A. Both parts are Active status products with ROHS3 compliance, providing regulatory alignment and long-term availability. The 6A04-G offers forward voltage of 1.1V @ 6A, while the GI754-E3/54 provides superior forward voltage performance at 900mV @ 6A, resulting in lower power dissipation. Package geometry differs (P600 vs. DO-201AD), requiring mechanical fit verification in existing PCB layouts.

Partial Substitute (3A Current Rating):

The 1N5551 (Microchip Technology) meets the 400V voltage specification but is rated for only 3A average rectified current, below the 6A requirement of the 60S4-TP. This part is suitable only for applications where actual circuit current demand does not exceed 3A. The 1N5551 carries RoHS non-compliant status, which may conflict with regulatory requirements in new designs. Extended operating temperature range (-65°C ~ 175°C) provides thermal margin beyond the 60S4-TP specification.

Compliance Considerations:

For applications requiring ROHS3 compliance, the 6A04-G and GI754-E3/54 are preferred selections. The 1N5551 is not suitable for RoHS-regulated applications.

Frequently Asked Questions (FAQ)

Q: Can the 1N5551 replace the 60S4-TP in all applications?

A: No. The 1N5551 is rated for 3A average rectified current, while the 60S4-TP is rated for 6A. The 1N5551 is suitable only for circuits where the actual operating current does not exceed 3A. Using an undersized diode in a 6A application will result in thermal stress and premature failure.

Q: What is the difference between DO-201AD and P600 packages?

A: Both are axial through-hole packages for rectifier diodes. DO-201AD and P600 have different physical dimensions and lead spacing. PCB layout compatibility must be verified before substitution. Mechanical fit testing is required if switching between these package types.

Q: Why is the 60S4-TP marked "Not For New Designs"?

A: This status indicates the part is obsolete or being discontinued by the manufacturer. New designs should use Active status alternatives such as the 6A04-G or GI754-E3/54 to ensure long-term component availability and supply chain stability.

Q: Does RoHS compliance matter for my application?

A: RoHS compliance is mandatory for products sold in the European Union and many other regulated markets. If your application is subject to RoHS regulations, use the 6A04-G or GI754-E3/54. The 1N5551 is RoHS non-compliant and cannot be used in regulated applications.

Q: Which substitute has the lowest forward voltage drop?

A: The GI754-E3/54 has the lowest forward voltage at 900mV @ 6A, compared to 1.1V for the 6A04-G and 1V for the 60S4-TP. Lower forward voltage reduces power dissipation and heat generation in the diode.

Q: Are all substitute parts in stock?

A: Inventory status is subject to change. The 6A04-G has 25,184 pieces in stock, and the GI754-E3/54 has 27,124 pieces in stock, indicating strong availability. The 1N5551 has 1,114 pieces in stock. Verify current inventory with your supplier before finalizing procurement decisions.

Request Quote (Ships tomorrow)

Part Number

Quantity

Company

Contact Name

E-mail

Message