SFAS1008GHMNG Equivalent & Substitute Parts

Part Overview

The SFAS1008GHMNG is a general-purpose rectifier diode manufactured by Taiwan Semiconductor Corporation, rated for 600 V DC reverse voltage and 10 A average rectified current in a surface mount TO-263AB (D2PAK) package. This component is classified as Active product status with automotive-grade qualification (AEC-Q101) and fast recovery characteristics (35 ns reverse recovery time).

Substitute parts are identified for applications requiring equivalent or alternative electrical performance within the 600 V rectifier diode category. Substitution becomes necessary due to inventory availability, product lifecycle transitions, or specific application requirements within the defined electrical and mechanical parameters.

Key Parameters

Parameter	Value	Unit
Voltage - DC Reverse (Vr) (Max)	600	V
Current - Average Rectified (Io)	10	A
Voltage - Forward (Vf) (Max) @ If	1.7 V @ 10 A	V
Reverse Recovery Time (trr)	35	ns
Speed Classification	Fast Recovery ≤ 500ns, > 200mA	—
Current - Reverse Leakage @ Vr	10	µA @ 600 V
Package / Case	TO-263-3, D2PAK (2 Leads + Tab)	—
Mounting Type	Surface Mount	—
Operating Temperature - Junction	-55 to 150	°C
Grade	Automotive	—
Qualification	AEC-Q101	—
RoHS Status	ROHS3 Compliant	—

Substitute Part Grouping Explanation

Substitution logic for the SFAS1008GHMNG is based on the following critical parameters:

Primary Substitution Criteria:

Voltage - DC Reverse (Vr) (Max): 600 V (exact match required)
Package / Case: TO-263-3, D2PAK (2 Leads + Tab), TO-263AB (mechanical compatibility)
Mounting Type: Surface Mount (assembly compatibility)
RoHS Status: ROHS3 Compliant (regulatory compliance)

Secondary Substitution Criteria:

Current - Average Rectified (Io): 5 A to 30 A range (application-dependent selection)
Speed Classification: Fast Recovery ≤ 500ns (performance class)
Grade: Automotive (application environment)
Qualification: AEC-Q101 (quality and reliability standard)

Substitute parts are grouped by current rating capability. Parts with lower current ratings (5 A, 8 A) are suitable for applications with reduced current demands. Parts with higher current ratings (30 A) accommodate higher current requirements. All substitute parts maintain the 600 V voltage rating and D2PAK package form factor.

Parameter Comparison

Parameter	SFAS1008GHMNG (Main)	STTH5R06GY-TR	NSB8JT-E3/81	STTH8R06GY-TR	STTH30L06GY-TR
Manufacturer	Taiwan Semiconductor	STMicroelectronics	Vishay General Semiconductor	STMicroelectronics	STMicroelectronics
Voltage - DC Reverse (Vr) (Max)	600 V	600 V	600 V	600 V	600 V
Current - Average Rectified (Io)	10 A	5 A	8 A	8 A	30 A
Voltage - Forward (Vf) (Max) @ If	1.7 V @ 10 A	3.2 V @ 5 A	1.1 V @ 8 A	3.2 V @ 8 A	1.55 V @ 30 A
Speed Classification	Fast Recovery ≤ 500ns	Fast Recovery ≤ 500ns	Standard Recovery > 500ns	Fast Recovery ≤ 500ns	Fast Recovery ≤ 500ns
Reverse Recovery Time (trr)	35 ns	35 ns	Not specified	45 ns	90 ns
Current - Reverse Leakage @ Vr	10 µA @ 600 V	30 µA @ 600 V	10 µA @ 600 V	30 µA @ 600 V	25 µA @ 600 V
Package / Case	TO-263-3, D2PAK	TO-263-3, D2PAK	TO-263-3, D2PAK	TO-263-3, D2PAK	TO-263-3, D2PAK
Mounting Type	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount
Operating Temperature - Junction	-55 to 150 °C	Max 175 °C	-55 to 150 °C	-40 to 175 °C	-40 to 175 °C
Grade	Automotive	Automotive	Not specified	Automotive	Automotive
Qualification	AEC-Q101	AEC-Q101	Not specified	AEC-Q101	AEC-Q101
Product Status	Active	Active	Last Time Buy	Active	Active
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant

Engineering Selection Recommendations

STTH5R06GY-TR (5 A Rating) Suitable for applications requiring reduced current capacity. Maintains 600 V voltage rating, fast recovery characteristics (35 ns), and automotive AEC-Q101 qualification. Active product status ensures long-term availability. Forward voltage of 3.2 V @ 5 A differs from the main part; thermal dissipation characteristics will be reduced proportionally to current rating.

NSB8JT-E3/81 (8 A Rating) Provides 8 A current capacity with 600 V voltage rating in D2PAK package. Product status is Last Time Buy, indicating limited future availability. Standard recovery speed (> 500ns) differs from the main part's fast recovery classification. Forward voltage of 1.1 V @ 8 A is lower than the main part. Reverse leakage current matches the main part at 10 µA @ 600 V. Not specified for automotive grade or AEC-Q101 qualification.

STTH8R06GY-TR (8 A Rating) Equivalent current rating to NSB8JT-E3/81 with active product status and full automotive qualification (AEC-Q101). Fast recovery characteristics (45 ns) align with the main part's performance class. Operating temperature range extends to 175 °C maximum. Forward voltage of 3.2 V @ 8 A differs from the main part. Reverse leakage current is 30 µA @ 600 V.

STTH30L06GY-TR (30 A Rating) Accommodates applications requiring higher current capacity. Maintains 600 V voltage rating, fast recovery classification (90 ns), and automotive AEC-Q101 qualification. Active product status ensures availability. Operating temperature range extends to 175 °C maximum. Forward voltage of 1.55 V @ 30 A is lower than the main part. Reverse leakage current is 25 µA @ 600 V. Thermal management requirements increase with higher current rating.

Frequently Asked Questions (FAQ)

Q: Can STTH5R06GY-TR replace SFAS1008GHMNG in all applications?

A: STTH5R06GY-TR is suitable only for applications where the circuit current demand does not exceed 5 A. The 600 V voltage rating and D2PAK package are compatible. Fast recovery characteristics (35 ns) match the main part. Forward voltage of 3.2 V @ 5 A differs from the main part's 1.7 V @ 10 A; circuit design must account for this difference in voltage drop and thermal dissipation.

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

A: Fast recovery diodes have reverse recovery time ≤ 500ns and are suitable for high-frequency switching applications. Standard recovery diodes have reverse recovery time > 500ns and are suitable for lower-frequency applications. NSB8JT-E3/81 is classified as standard recovery, while SFAS1008GHMNG, STTH5R06GY-TR, STTH8R06GY-TR, and STTH30L06GY-TR are fast recovery diodes.

Q: Are all substitute parts automotive-qualified?

A: STTH5R06GY-TR, STTH8R06GY-TR, and STTH30L06GY-TR carry automotive grade classification and AEC-Q101 qualification, matching the main part. NSB8JT-E3/81 does not specify automotive grade or AEC-Q101 qualification in the provided data.

Q: Why does NSB8JT-E3/81 show Last Time Buy status?

A: Last Time Buy status indicates the manufacturer has announced end-of-life for this product. New orders may be accepted for a limited period, but long-term availability is not guaranteed. For new designs, selection of parts with Active product status is recommended.

Q: Can STTH30L06GY-TR be used in place of SFAS1008GHMNG?

A: STTH30L06GY-TR is mechanically and electrically compatible (600 V rating, D2PAK package, fast recovery, automotive AEC-Q101). The 30 A current rating exceeds the main part's 10 A rating, making it suitable for higher-current applications. Forward voltage of 1.55 V @ 30 A differs from the main part's 1.7 V @ 10 A; circuit design must account for this difference.

Q: What is the significance of the D2PAK package designation?

A: D2PAK (also designated TO-263-3) is a surface mount package with two leads plus a tab for thermal management. All listed parts use this identical package, ensuring mechanical compatibility in PCB assembly and thermal performance characteristics.

Q: How do reverse leakage current differences affect circuit performance?

A: Reverse leakage current is the small current flowing through the diode in reverse bias condition. The main part specifies 10 µA @ 600 V. Substitute parts range from 10 µA to 30 µA @ 600 V. Higher leakage current increases power dissipation in reverse bias conditions and may affect circuit performance in high-impedance applications.

Q: Are all substitute parts RoHS3 compliant?

A: All listed substitute parts are ROHS3 compliant, matching the main part's regulatory status. All parts are also REACH Unaffected and classified as EAR99 for export control purposes.

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