60EPS12 Equivalent & Substitute Parts

Part Overview

The 60EPS12 is a general-purpose rectifier diode rated for 1200 V DC reverse voltage and 60 A average rectified current in a through-hole TO-247AC Modified package. Manufactured by Vishay General Semiconductor - Diodes Division, this component is classified as obsolete. Due to its obsolete status and limited ongoing availability, identification of active equivalent and substitute parts is necessary for design continuity and procurement planning. Substitute parts must maintain electrical compatibility within the 1200 V / 60 A operating envelope while accommodating standard TO-247 package variants.

Key Parameters

Parameter	60EPS12 Value	Unit
Voltage - DC Reverse (Vr) (Max)	1200	V
Current - Average Rectified (Io)	60	A
Voltage - Forward (Vf) (Max) @ If	1.1 @ 60	V @ A
Speed	Standard Recovery >500ns	-
Current - Reverse Leakage @ Vr	100	µA @ 1200 V
Mounting Type	Through Hole	-
Package / Case	TO-247-2	-
Operating Temperature - Junction	-40 to 150	°C
Product Status	Obsolete	-
RoHS Status	Non-compliant	-

Substitute Part Grouping Explanation

Substitution logic for the 60EPS12 is based on the following critical electrical and mechanical parameters:

Primary Matching Criteria:

Voltage - DC Reverse (Vr) (Max): 1200 V (exact match required)
Current - Average Rectified (Io): 60 A (exact match) or higher current rating (60 A minimum)
Mounting Type: Through Hole (required)
Package / Case: TO-247-2 (mechanical compatibility)

Secondary Considerations:

Recovery Speed: Standard or Fast Recovery acceptable
Operating Temperature Range: Minimum -40°C to 150°C junction temperature
RoHS Compliance: Active substitutes are ROHS3 compliant; obsolete part is non-compliant

Substitute parts are grouped into two categories:

Category A - Direct Current Rating Match (60 A): Parts with 60 A average rectified current rating provide direct functional equivalence. These include APT60D120BG, DHG60I1200HA, and DSEP60-12A.

Category B - Higher Current Rating (>60 A): Parts with current ratings exceeding 60 A (DSEI120-12A at 75 A, DSEI60-12A at 52 A) provide electrical compatibility with enhanced current capacity. These are suitable for applications where the 60 A rating is a minimum requirement.

Category C - Lower Current Rating (<60 A): Parts with current ratings below 60 A (DSEI30-12A at 26 A, STTH3012W at 30 A, ISL9R30120G2 at 30 A, STTH1512W at 15 A) are listed as cross-references but do not provide direct substitution for 60 A applications.

All substitute parts maintain the 1200 V reverse voltage rating and through-hole mounting configuration. Package variants include TO-247 [B], TO-247AD, and DO-247, all mechanically compatible with TO-247-2 footprints.

Parameter Comparison

Part Number	Manufacturer	Vr (Max) [V]	Io [A]	Vf (Max) [V]	Speed	Ir @ Vr [µA/mA]	Package	Temp Range [°C]	Status	RoHS
60EPS12	Vishay	1200	60	1.1 @ 60A	Standard >500ns	100 µA	TO-247AC	-40 to 150	Obsolete	Non-compliant
APT60D120BG	Microchip	1200	60	2.5 @ 60A	Fast ≤500ns	250 µA	TO-247 [B]	-55 to 175	Active	ROHS3
DHG60I1200HA	IXYS	1200	60	2.32 @ 60A	Fast ≤500ns	125 µA	TO-247AD	-55 to 150	Active	ROHS3
DSEI120-12A	IXYS	1200	75	1.8 @ 70A	Fast ≤500ns	3 mA	TO-247AD	-40 to 150	Active	ROHS3
DSEI60-12A	IXYS	1200	52	2.55 @ 60A	Fast ≤500ns	2.2 mA	TO-247AD	-40 to 150	Active	ROHS3
DSEP60-12A	IXYS	1200	60	2.66 @ 60A	Fast ≤500ns	650 µA	TO-247AD	-55 to 175	Active	ROHS3
DSEI30-12A	IXYS	1200	26	2.55 @ 30A	Fast ≤500ns	750 µA	TO-247AD	-40 to 150	Active	ROHS3
DSEP30-12A	IXYS	1200	30	2.74 @ 30A	Fast ≤500ns	250 µA	TO-247AD	-55 to 175	Active	ROHS3
ISL9R30120G2	onsemi	1200	30	3.3 @ 30A	Fast ≤500ns	100 µA	TO-247-2	-55 to 150	Obsolete	ROHS3
STTH3012W	STMicroelectronics	1200	30	2.25 @ 30A	Fast ≤500ns	20 µA	DO-247	-40 to 175	Active	ROHS3
STTH1512W	STMicroelectronics	1200	15	2.1 @ 15A	Fast ≤500ns	15 µA	DO-247	-40 to 175	Active	ROHS3

Engineering Selection Recommendations

Primary Substitutes for 60 A Applications:

For direct replacement of the 60EPS12 in 60 A rated circuits, the following active parts are recommended based on product status and compliance:

APT60D120BG (Microchip Technology) - Active status, ROHS3 compliant, 60 A rating, extended temperature range (-55°C to 175°C), fast recovery characteristics. Forward voltage of 2.5 V at 60 A represents a 1.4 V increase over the original part.
DHG60I1200HA (IXYS) - Active status, ROHS3 compliant, 60 A rating, fast recovery with 200 ns reverse recovery time, forward voltage of 2.32 V at 60 A. Operating temperature range -55°C to 150°C matches the original upper limit.
DSEP60-12A (IXYS HiPerFRED™ Series) - Active status, ROHS3 compliant, 60 A rating, extended temperature range (-55°C to 175°C), fast recovery with 40 ns reverse recovery time, forward voltage of 2.66 V at 60 A.

Higher Current Capacity Alternative:

DSEI120-12A (IXYS) - Active status, ROHS3 compliant, 75 A rating provides 25% current margin above the 60 A requirement. Forward voltage of 1.8 V at 70 A is closest to the original 1.1 V specification. Fast recovery with 60 ns reverse recovery time. Operating temperature range -40°C to 150°C.

Compliance Considerations:

All recommended active substitutes are ROHS3 compliant, addressing the non-compliant status of the obsolete 60EPS12. The original part's standard recovery speed (>500 ns) contrasts with all active substitutes, which feature fast recovery characteristics (≤500 ns). This represents an improvement in switching performance.

Package Compatibility:

The 60EPS12 uses TO-247AC Modified packaging. Substitute parts employ standard TO-247 [B], TO-247AD, or DO-247 packages. All variants are mechanically compatible with TO-247-2 footprints and mounting configurations.

Frequently Asked Questions (FAQ)

Q: Can the 60EPS12 be directly replaced with a lower current-rated part such as DSEI30-12A or STTH3012W?

A: No. The 60EPS12 is rated for 60 A average rectified current. Parts rated below 60 A (DSEI30-12A at 26 A, STTH3012W at 30 A) do not provide electrical equivalence for 60 A applications. These lower-rated parts are listed as cross-references only and are suitable only for circuits designed for their respective current ratings.

Q: What is the significance of the forward voltage difference between the 60EPS12 (1.1 V @ 60 A) and substitute parts (1.8 to 2.66 V @ 60 A)?

A: Forward voltage directly affects power dissipation and thermal performance. The 60EPS12 exhibits lower forward voltage, resulting in lower conduction losses. Substitute parts with higher forward voltages will generate increased heat during operation. Circuit thermal design must account for this difference. The DSEI120-12A at 1.8 V @ 70 A provides the closest forward voltage performance among active substitutes.

Q: Are all substitute parts RoHS compliant?

A: All active substitute parts listed are ROHS3 compliant. The original 60EPS12 is RoHS non-compliant. If RoHS compliance is a design requirement, any active substitute satisfies this criterion. The obsolete ISL9R30120G2 is ROHS3 compliant but is not recommended due to its obsolete status and lower 30 A current rating.

Q: What is the difference between TO-247 [B], TO-247AD, and DO-247 packages?

A: All three are through-hole packages with TO-247-2 mechanical compatibility. TO-247 [B] and TO-247AD are standard TO-247 variants with different lead configurations. DO-247 is a straight-lead variant. All are suitable for PCB mounting in TO-247-2 footprints. Consult specific package drawings to confirm lead spacing and orientation compatibility with existing board designs.

Q: Why do all active substitutes feature fast recovery (≤500 ns) while the 60EPS12 has standard recovery (>500 ns)?

A: Fast recovery diodes reduce reverse recovery time, minimizing switching losses and electromagnetic interference in power conversion circuits. This represents a performance improvement over the original standard recovery design. Fast recovery characteristics are standard in modern rectifier diode technology and are compatible with applications originally designed for standard recovery parts.

Q: Can the DSEI120-12A (75 A rating) be used in place of the 60EPS12 (60 A rating)?

A: Yes. The DSEI120-12A is rated for 75 A average rectified current, exceeding the 60 A requirement of the original part. This provides a 25% current margin and is electrically compatible. The higher current rating does not create incompatibility; it provides additional design margin. However, the forward voltage of 1.8 V at 70 A differs from the original specification and must be evaluated for thermal and efficiency impacts.

Q: What is the operating temperature range compatibility between the 60EPS12 and substitute parts?

A: The 60EPS12 operates from -40°C to 150°C junction temperature. Most active substitutes extend this range to -55°C to 175°C, providing broader thermal operating margins. DSEI120-12A and DSEI60-12A maintain the -40°C lower limit but match the 150°C upper limit. All substitutes are compatible with the original temperature specification and exceed it in most cases.

Q: Is the ISL9R30120G2 a suitable substitute despite its obsolete status?

A: No. Although the ISL9R30120G2 is ROHS3 compliant and uses the exact TO-247-2 package, its 30 A current rating is insufficient for 60 A applications. Additionally, its obsolete product status creates the same procurement challenges as the original 60EPS12. Active alternatives with 60 A ratings are preferred.

Request Quote (Ships tomorrow)

Part Number

Quantity

Company

Contact Name

E-mail

Message