SF26G-AP General Purpose Rectifier Diode Equivalent & Substitute Parts

Part Overview

The SF26G-AP is an active general purpose rectifier diode manufactured by Micro Commercial Co, rated for 400V DC reverse voltage and 2A average rectified current in a through-hole DO-15 package. This component is designed for standard rectification applications requiring fast recovery characteristics. Substitute parts are identified based on matching electrical specifications and mechanical compatibility to ensure functional equivalence in circuit applications.

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 @ 2 A	V
Reverse Recovery Time (trr)	35	ns
Current - Reverse Leakage @ Vr	5 @ 400 V	µA
Package / Case	DO-204AC, DO-15, Axial	—
Mounting Type	Through Hole	—
Operating Temperature - Junction	-65 to 150	°C
RoHS Status	ROHS3 Compliant	—

Substitute Part Grouping Explanation

Substitute parts for the SF26G-AP are identified based on the following critical electrical and mechanical parameters:

Matching Criteria:

Voltage - DC Reverse (Vr) (Max): 400 V
Current - Average Rectified (Io): 2 A
Voltage - Forward (Vf) (Max) @ If: 1.3 V @ 2 A
Reverse Recovery Time (trr): 35 ns
Current - Reverse Leakage @ Vr: 5 µA @ 400 V
Package / Case: DO-204AC, DO-15, Axial (through-hole)
Mounting Type: Through Hole
Technology: Standard
RoHS Status: ROHS3 Compliant

The SF26G A0G from Taiwan Semiconductor Corporation meets all electrical specifications and mechanical requirements for direct substitution. Both components share identical voltage ratings, current ratings, forward voltage characteristics, and recovery time specifications. Package compatibility is confirmed through the DO-204AC/DO-15 axial through-hole designation.

Parameter Comparison

Parameter	SF26G-AP (Micro Commercial Co)	SF26G A0G (Taiwan Semiconductor Corporation)	Match Status
Voltage - DC Reverse (Vr) (Max)	400 V	400 V	Identical
Current - Average Rectified (Io)	2 A	2 A	Identical
Voltage - Forward (Vf) (Max) @ If	1.3 V @ 2 A	1.3 V @ 2 A	Identical
Reverse Recovery Time (trr)	35 ns	35 ns	Identical
Current - Reverse Leakage @ Vr	5 µA @ 400 V	5 µA @ 400 V	Identical
Capacitance @ Vr, F	30 pF @ 4V, 1MHz	20 pF @ 4V, 1MHz	Within tolerance
Package / Case	DO-204AC, DO-15, Axial	DO-204AC, DO-15, Axial	Identical
Mounting Type	Through Hole	Through Hole	Identical
Operating Temperature - Junction	-65°C ~ 150°C	-55°C ~ 150°C	Compatible
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	Identical
Product Status	Active	Active	Identical

Engineering Selection Recommendations

SF26G A0G (Taiwan Semiconductor Corporation) is a direct electrical and mechanical equivalent to the SF26G-AP. Both components are active products with ROHS3 compliance and REACH unaffected status. The substitute part meets all critical electrical parameters including reverse voltage, forward current, forward voltage drop, and reverse recovery time specifications. Package compatibility is confirmed through identical DO-204AC/DO-15 axial through-hole designation.

The operating temperature range of the SF26G A0G (-55°C to 150°C) encompasses the upper operating limit of the SF26G-AP (-65°C to 150°C). For applications requiring the full -65°C lower temperature specification, the SF26G-AP should be retained. For standard applications within the -55°C to 150°C range, the SF26G A0G provides equivalent performance.

Both components are supplied in standard packaging formats (Tape & Box for SF26G-AP; Cut Tape for SF26G A0G) suitable for production assembly environments.

Frequently Asked Questions (FAQ)

Q: Can SF26G A0G replace SF26G-AP in all applications?

A: SF26G A0G is electrically and mechanically equivalent for applications operating within -55°C to 150°C. Applications requiring operation below -55°C require the SF26G-AP to meet the full -65°C lower temperature specification.

Q: Are the package designations DO-204AC and DO-15 interchangeable?

A: Yes. DO-204AC and DO-15 refer to the same axial through-hole package format. Both designations are used interchangeably in industry documentation.

Q: What is the significance of the capacitance difference between the two parts?

A: SF26G-AP specifies 30 pF at 4V, 1MHz while SF26G A0G specifies 20 pF at the same conditions. This 10 pF difference is within normal manufacturing tolerance for general purpose rectifier diodes and does not affect functional equivalence for standard rectification applications.

Q: Do both parts meet the same compliance standards?

A: Yes. Both SF26G-AP and SF26G A0G are ROHS3 compliant, REACH unaffected, and classified under ECCN EAR99 with identical HTSUS code 8541.10.0080.

Q: What is the difference between Tape & Box and Cut Tape packaging?

A: Tape & Box packaging includes a reel of components on tape with a protective box. Cut Tape packaging provides components on tape without the box. Both formats are suitable for automated assembly; packaging choice depends on production line requirements and inventory management preferences.

Q: Are there any thermal considerations when substituting these parts?

A: Both components operate to 150°C maximum junction temperature. Thermal performance is equivalent given identical electrical specifications. PCB layout and thermal management practices should remain consistent between the original and substitute part.

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