STTH15R06FP Equivalent & Substitute Parts

Part Overview

The STTH15R06FP is a general-purpose rectifier diode manufactured by STMicroelectronics, rated for 600 V DC reverse voltage and 15 A average rectified current in a Through Hole TO-220FPAC package. This component is classified as Active product status and complies with ROHS3 and REACH Unaffected standards. Substitute parts are identified when equivalent electrical performance and mechanical compatibility are required due to component availability, supply chain considerations, or design flexibility within the allowed parameter ranges.

Key Parameters

Parameter	Value	Unit
Voltage - DC Reverse (Vr) (Max)	600	V
Current - Average Rectified (Io)	15	A
Voltage - Forward (Vf) (Max) @ If	2.9 V @ 15 A	V
Speed	Fast Recovery ≤ 500ns, > 200mA (Io)	—
Reverse Recovery Time (trr)	50	ns
Current - Reverse Leakage @ Vr	60	µA @ 600 V
Mounting Type	Through Hole	—
Package / Case	TO-220-2 Full Pack, Isolated Tab	—
Operating Temperature - Junction (Max)	175	°C
Technology	Standard	—
RoHS Status	ROHS3 Compliant	—

Substitute Part Grouping Explanation

Substitute parts for the STTH15R06FP are qualified based on the following electrical and mechanical criteria:

Primary Substitution Criteria:

Voltage - DC Reverse (Vr) (Max): 600 V minimum
Mounting Type: Through Hole
Package Category: TO-220 family with isolated tab configuration
Speed Classification: Fast Recovery ≤ 500ns, > 200mA (Io)
RoHS Status: ROHS3 Compliant

Current Rating Consideration: The STTH15R06FP is rated for 15 A average rectified current. Substitute parts with lower current ratings (5 A, 10 A) operate within the same voltage class and package family but with reduced current capacity. These are classified as partial substitutes suitable for applications with lower current demands. The SDURF15Q60 provides equivalent 15 A current rating with identical voltage specification.

Reverse Recovery Time: All qualified substitutes maintain Fast Recovery classification (≤ 500ns, > 200mA). Variations in trr values (35 ns to 120 ns) remain within the Fast Recovery category and do not disqualify substitution based on speed classification alone.

Parameter Comparison

Parameter	STTH15R06FP (Main)	DHG5I600PM	SDURF15Q60	FFPF10UA60ST
Manufacturer	STMicroelectronics	IXYS	SMC Diode Solutions	onsemi
Voltage - DC Reverse (Vr) (Max)	600 V	600 V	600 V	600 V
Current - Average Rectified (Io)	15 A	5 A	15 A	10 A
Voltage - Forward (Vf) (Max) @ If	2.9 V @ 15 A	2.2 V @ 5 A	2 V @ 15 A	2.3 V @ 10 A
Speed	Fast Recovery ≤ 500ns, > 200mA (Io)	Fast Recovery ≤ 500ns, > 200mA (Io)	Fast Recovery ≤ 500ns, > 200mA (Io)	Fast Recovery ≤ 500ns, > 200mA (Io)
Reverse Recovery Time (trr)	50 ns	35 ns	40 ns	120 ns
Current - Reverse Leakage @ Vr	60 µA @ 600 V	10 µA @ 600 V	20 µA @ 600 V	100 µA @ 600 V
Mounting Type	Through Hole	Through Hole	Through Hole	Through Hole
Package / Case	TO-220-2 Full Pack, Isolated Tab	TO-220-2 Full Pack, Isolated Tab	TO-220-2 Full Pack, Isolated Tab	TO-220-2 Full Pack
Operating Temperature - Junction	175°C (Max)	-55°C ~ 150°C	-55°C ~ 150°C	-65°C ~ 150°C
Technology	Standard	Standard	Standard	Avalanche
Product Status	Active	Active	Active	Obsolete
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant

Engineering Selection Recommendations

SDURF15Q60 (Primary Equivalent Substitute)

The SDURF15Q60 manufactured by SMC Diode Solutions provides direct electrical equivalence to the STTH15R06FP. Both components share identical voltage (600 V) and current (15 A) ratings, Fast Recovery speed classification, and Through Hole TO-220 package configuration with isolated tab. The SDURF15Q60 exhibits superior forward voltage characteristics (2 V @ 15 A versus 2.9 V @ 15 A) and lower reverse leakage current (20 µA versus 60 µA). Product status is Active with ROHS3 compliance. Operating temperature range is -55°C to 150°C, which is lower than the STTH15R06FP maximum junction temperature of 175°C. This component is suitable for direct substitution in applications where the operating temperature range does not exceed 150°C.

DHG5I600PM (Reduced Current Substitute)

The DHG5I600PM manufactured by IXYS is qualified as a substitute for applications with current requirements not exceeding 5 A. This component maintains 600 V voltage rating, Fast Recovery speed classification, and Through Hole TO-220 package with isolated tab. The DHG5I600PM exhibits lower forward voltage (2.2 V @ 5 A) and reverse leakage current (10 µA). Product status is Active with ROHS3 compliance. Operating temperature range is -55°C to 150°C. This component is not suitable for applications requiring the full 15 A current capacity of the STTH15R06FP.

FFPF10UA60ST (Partial Current Substitute, Obsolete Status)

The FFPF10UA60ST manufactured by onsemi provides 10 A current capacity at 600 V voltage rating with Fast Recovery speed classification and Through Hole TO-220 package. However, this component carries Obsolete product status, which indicates discontinued manufacturing and limited availability. The reverse recovery time (120 ns) is elevated compared to the main part and other substitutes, though it remains within Fast Recovery classification. Operating temperature range is -65°C to 150°C. Technology classification is Avalanche rather than Standard. This component is not recommended for new designs due to obsolete status.

Frequently Asked Questions (FAQ)

Q: Can the DHG5I600PM be used as a direct replacement for the STTH15R06FP?

A: The DHG5I600PM is not a direct replacement due to reduced current rating (5 A versus 15 A). It is suitable only for applications with maximum current requirements of 5 A or less. Both components share identical 600 V voltage rating, Fast Recovery speed classification, and Through Hole TO-220 package configuration.

Q: What is the primary difference between the SDURF15Q60 and STTH15R06FP?

A: Both components share identical voltage (600 V) and current (15 A) ratings, Fast Recovery speed classification, and Through Hole TO-220 package with isolated tab. The SDURF15Q60 exhibits lower forward voltage (2 V @ 15 A) and reverse leakage current (20 µA @ 600 V). The STTH15R06FP has a higher maximum junction temperature (175°C versus 150°C).

Q: Is the FFPF10UA60ST suitable for new product designs?

A: The FFPF10UA60ST carries Obsolete product status, indicating discontinued manufacturing. This component is not recommended for new designs. The SDURF15Q60 is the preferred substitute for equivalent 15 A current capacity, or the DHG5I600PM for reduced current applications.

Q: What package compatibility exists between these substitute parts?

A: All substitute parts utilize Through Hole mounting in TO-220 package family. The STTH15R06FP, SDURF15Q60, and DHG5I600PM feature isolated tab configuration (TO-220-2 Full Pack, Isolated Tab). The FFPF10UA60ST uses TO-220-2 Full Pack without specified isolated tab designation. All components are mechanically compatible with standard TO-220 through-hole PCB layouts.

Q: Are all substitute parts RoHS3 compliant?

A: Yes. The STTH15R06FP, DHG5I600PM, SDURF15Q60, and FFPF10UA60ST are all ROHS3 Compliant. All components are also REACH Unaffected or REACH Affected (SDURF15Q60 only), maintaining regulatory compliance for industrial and commercial applications.

Q: What is the significance of Fast Recovery speed classification?

A: Fast Recovery classification (≤ 500ns, > 200mA) indicates reverse recovery time performance suitable for high-frequency switching applications. All listed components, including the main part and substitutes, meet this classification. Specific trr values vary (35 ns to 120 ns) but remain within the Fast Recovery category.

Q: Can the STTH15R06FP operate at 175°C continuously?

A: The STTH15R06FP maximum junction temperature is 175°C. Substitute parts DHG5I600PM and SDURF15Q60 have maximum operating temperatures of 150°C. If continuous operation at temperatures above 150°C is required, the STTH15R06FP or FFPF10UA60ST (which operates to 150°C) must be used. The FFPF10UA60ST is not recommended due to obsolete status.

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