SF2L6G Equivalent & Substitute Parts

Part Overview

The SF2L6G is a general-purpose rectifier diode manufactured by Taiwan Semiconductor Corporation, rated for 400 V DC reverse voltage and 2 A average rectified current in a DO-204AC (DO-15) through-hole axial package. This component is classified as a fast recovery diode with a reverse recovery time of 35 ns and operates across a junction temperature range of -55°C to 150°C. The part is ROHS3 compliant and carries Active product status.

Equivalent and substitute parts are identified to address supply chain requirements, inventory availability, or specific application needs where alternative manufacturers or performance characteristics are acceptable within the electrical and mechanical constraints of the circuit design.

Key Parameters

Parameter	Value	Unit
Voltage - DC Reverse (Vr) (Max)	400	V
Current - Average Rectified (Io)	2	A
Voltage - Forward (Vf) (Max) @ If	1.3 V @ 2 A	V
Speed Classification	Fast Recovery ≤ 500ns, > 200mA (Io)	-
Reverse Recovery Time (trr)	35	ns
Current - Reverse Leakage @ Vr	1	µA @ 400 V
Mounting Type	Through Hole	-
Package / Case	DO-204AC, DO-15, Axial	-
Operating Temperature - Junction	-55 to 150	°C
RoHS Status	ROHS3 Compliant	-

Substitute Part Grouping Explanation

Substitute parts are classified into two categories based on electrical parameter alignment with the SF2L6G:

Parametric Equivalents share identical or functionally equivalent electrical specifications across all critical parameters: 400 V reverse voltage rating, 2 A average rectified current, fast recovery speed classification (≤ 500ns), 35 ns reverse recovery time, and DO-204AC package. These parts are direct functional replacements. Parametric equivalents include SF26G, SF26G A0G, SF26GH, and SF2L6GH.

Similar Parts maintain the same 400 V reverse voltage and DO-204AC package but differ in one or more electrical parameters. Differences include reduced average rectified current (1 A or 1.5 A versus 2 A), variations in reverse recovery time, or different reverse leakage current specifications. Similar parts include 1N5060GP-E3/54, 1N5617GP-E3/54, EGP20G-E3/54, GP15G-E3/54, and RGP15G-E3/54.

Substitution eligibility is determined by:

Voltage - DC Reverse (Vr) (Max): 400 V minimum
Current - Average Rectified (Io): 2 A minimum for parametric equivalents; 1 A or higher for similar parts
Package / Case: DO-204AC, DO-15, Axial
Mounting Type: Through Hole
RoHS Status: ROHS3 Compliant

Parameter Comparison

Part Number	Manufacturer	Vr (Max) [V]	Io [A]	Vf (Max) @ If [V]	Speed	trr [ns]	Ir @ Vr [µA]	Package	Temp Range [°C]	Product Status
SF2L6G	Taiwan Semiconductor Corporation	400	2	1.3 @ 2 A	Fast Recovery ≤ 500ns	35	1 @ 400 V	DO-204AC	-55 to 150	Active
SF26G	Taiwan Semiconductor Corporation	400	2	1.3 @ 2 A	Fast Recovery ≤ 500ns	35	5 @ 400 V	DO-204AC	-55 to 150	Active
SF26G A0G	Taiwan Semiconductor Corporation	400	2	1.3 @ 2 A	Fast Recovery ≤ 500ns	35	5 @ 400 V	DO-204AC	-55 to 150	Active
SF26GH	Taiwan Semiconductor Corporation	400	2	1.3 @ 2 A	Fast Recovery ≤ 500ns	35	5 @ 400 V	DO-204AC	-55 to 150	Active
SF2L6GH	Taiwan Semiconductor Corporation	400	2	1.3 @ 2 A	Fast Recovery ≤ 500ns	35	1 @ 400 V	DO-204AC	-55 to 150	Active
1N5060GP-E3/54	Vishay General Semiconductor - Diodes Division	400	1	1.2 @ 1 A	Standard Recovery >500ns	2000	5 @ 400 V	DO-204AC	-65 to 175	Active
1N5617GP-E3/54	Vishay General Semiconductor - Diodes Division	400	1	1.2 @ 1 A	Fast Recovery ≤ 500ns	150	0.5 @ 400 V	DO-204AC	-65 to 175	Active
EGP20G-E3/54	Vishay General Semiconductor - Diodes Division	400	2	1.25 @ 2 A	Fast Recovery ≤ 500ns	50	5 @ 400 V	DO-204AC	-65 to 150	Active
GP15G-E3/54	Vishay General Semiconductor - Diodes Division	400	1.5	1.1 @ 1.5 A	Standard Recovery >500ns	3500	5 @ 400 V	DO-204AC	-65 to 175	Active
RGP15G-E3/54	Vishay General Semiconductor - Diodes Division	400	1.5	1.3 @ 1.5 A	Fast Recovery ≤ 500ns	150	5 @ 400 V	DO-204AC	-65 to 175	Active

Engineering Selection Recommendations

Parametric Equivalents (Direct Replacements)

SF26G, SF26G A0G, SF26GH, and SF2L6GH are parametric equivalents to SF2L6G. All four parts maintain 400 V reverse voltage, 2 A average rectified current, fast recovery speed classification, 35 ns reverse recovery time, and DO-204AC through-hole package. All are ROHS3 compliant and carry Active product status.

SF2L6GH and SF26GH carry AEC-Q101 automotive qualification, suitable for applications requiring automotive-grade reliability. SF26G and SF26G A0G are standard-grade equivalents without automotive qualification.

The primary electrical difference between SF2L6G and SF26G/SF26G A0G/SF26GH is reverse leakage current: SF2L6G specifies 1 µA @ 400 V, while SF26G variants specify 5 µA @ 400 V. This difference is acceptable in most general-purpose rectification applications. SF2L6GH maintains the lower 1 µA leakage specification of the original part.

Similar Parts (Current-Limited Substitutes)

1N5060GP-E3/54 and 1N5617GP-E3/54 are rated for 1 A average rectified current, compared to 2 A for SF2L6G. These parts are suitable only for applications where the circuit current requirement does not exceed 1 A.

GP15G-E3/54 and RGP15G-E3/54 are rated for 1.5 A average rectified current. These parts are suitable for applications where circuit current does not exceed 1.5 A.

EGP20G-E3/54 is rated for 2 A average rectified current, matching the SF2L6G current specification. This part is suitable as a substitute where the 2 A rating is required. EGP20G-E3/54 exhibits a 50 ns reverse recovery time, faster than the SF2L6G 35 ns specification, and operates across a -65°C to 150°C junction temperature range.

All similar parts are manufactured by Vishay General Semiconductor - Diodes Division and carry ROHS3 compliance and Active product status.

Frequently Asked Questions (FAQ)

Q: Can SF26G be used as a direct replacement for SF2L6G?

A: SF26G is a parametric equivalent to SF2L6G. Both parts share identical 400 V reverse voltage, 2 A average rectified current, fast recovery speed classification, 35 ns reverse recovery time, and DO-204AC package. The primary difference is reverse leakage current: SF2L6G specifies 1 µA @ 400 V, while SF26G specifies 5 µA @ 400 V. In general-purpose rectification applications, this difference is acceptable. SF26G is suitable as a direct replacement.

Q: What is the difference between SF26GH and SF26G?

A: SF26GH and SF26G are electrically identical. SF26GH carries AEC-Q101 automotive qualification and is designated as automotive-grade, while SF26G is standard-grade. Both parts maintain 400 V reverse voltage, 2 A average rectified current, fast recovery speed, 35 ns reverse recovery time, and DO-204AC package. SF26GH is required for applications subject to automotive reliability standards.

Q: Can 1N5060GP-E3/54 replace SF2L6G?

A: 1N5060GP-E3/54 is rated for 1 A average rectified current, compared to 2 A for SF2L6G. This part is suitable only for applications where the circuit current requirement does not exceed 1 A. If the circuit requires 2 A, 1N5060GP-E3/54 is not an acceptable substitute.

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

A: Fast recovery diodes exhibit reverse recovery times of 500 ns or less, while standard recovery diodes exceed 500 ns. SF2L6G is classified as fast recovery with 35 ns reverse recovery time. Similar parts such as 1N5060GP-E3/54 and GP15G-E3/54 are classified as standard recovery with reverse recovery times of 2 µs and 3.5 µs respectively. Fast recovery diodes are suitable for high-frequency switching applications; standard recovery diodes are suitable for lower-frequency rectification.

Q: Are all substitute parts ROHS3 compliant?

A: All parts listed in this reference—SF2L6G, parametric equivalents (SF26G, SF26G A0G, SF26GH, SF2L6GH), and similar parts (1N5060GP-E3/54, 1N5617GP-E3/54, EGP20G-E3/54, GP15G-E3/54, RGP15G-E3/54)—are ROHS3 compliant. All parts carry Active product status.

Q: Can I use EGP20G-E3/54 instead of SF2L6G?

A: EGP20G-E3/54 is rated for 2 A average rectified current and 400 V reverse voltage, matching the SF2L6G current and voltage specifications. Both parts are fast recovery diodes in DO-204AC package. EGP20G-E3/54 exhibits a 50 ns reverse recovery time compared to SF2L6G 35 ns, and operates across -65°C to 150°C junction temperature range. EGP20G-E3/54 is suitable as a substitute where the 2 A rating and fast recovery characteristics are required.

Q: What does AEC-Q101 qualification mean?

A: AEC-Q101 is an automotive qualification standard. Parts carrying AEC-Q101 qualification, such as SF26GH and SF2L6GH, are qualified for use in automotive applications and subject to automotive-grade reliability testing and performance standards. Standard-grade parts without AEC-Q101 qualification are not certified for automotive use.

Q: Are the DO-204AC and DO-15 packages identical?

A: DO-204AC and DO-15 are equivalent designations for the same axial through-hole package. All parts listed in this reference use this package type and are mechanically and electrically compatible for through-hole mounting.

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