SF26G-TP Equivalent & Substitute Parts

Part Overview

The SF26G-TP is a general-purpose rectifier diode manufactured by Micro Commercial Co, rated for 400 V DC reverse voltage and 2 A average rectified current in a through-hole DO-15 package. This component is classified as Active product status and is RoHS3 compliant. Equivalent and substitute parts are identified based on matching electrical specifications and mechanical compatibility to support procurement flexibility, inventory management, and supply chain continuity.

Key Parameters

Parameter	Value
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
Speed Classification	Fast Recovery ≤ 500 ns, > 200 mA (Io)
Mounting Type	Through Hole
Package / Case	DO-204AC, DO-15, Axial
Operating Temperature - Junction	-65°C ~ 150°C
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitute parts for the SF26G-TP are identified based on electrical parameter equivalence within the rectifier diode category. The substitution criteria are:

Voltage Rating: DC reverse voltage of 400 V (maximum)
Current Rating: Average rectified current of 2 A
Forward Voltage Drop: 1.3 V maximum at 2 A forward current
Reverse Recovery Time: 35 ns (fast recovery classification)
Reverse Leakage Current: 5 µA at 400 V
Package Compatibility: Through-hole mounting, DO-15 or DO-204AC package designation
Compliance: RoHS3 compliant, REACH unaffected status

The SF26G A0G (Taiwan Semiconductor Corporation) meets all electrical specifications and package requirements for direct substitution. Packaging format differs (Cut Tape versus Tape & Reel), but component-level electrical and mechanical compatibility is maintained.

Parameter Comparison

Parameter	SF26G-TP (Micro Commercial Co)	SF26G A0G (Taiwan Semiconductor Corporation)
Voltage - DC Reverse (Vr) (Max)	400 V	400 V
Current - Average Rectified (Io)	2 A	2 A
Voltage - Forward (Vf) (Max) @ If	1.3 V @ 2 A	1.3 V @ 2 A
Reverse Recovery Time (trr)	35 ns	35 ns
Current - Reverse Leakage @ Vr	5 µA @ 400 V	5 µA @ 400 V
Speed Classification	Fast Recovery ≤ 500 ns, > 200 mA (Io)	Fast Recovery ≤ 500 ns, > 200 mA (Io)
Mounting Type	Through Hole	Through Hole
Package / Case	DO-204AC, DO-15, Axial	DO-204AC, DO-15, Axial
Operating Temperature - Junction	-65°C ~ 150°C	-55°C ~ 150°C
RoHS Status	ROHS3 Compliant	ROHS3 Compliant
Packaging Format	Tape & Reel (TR)	Cut Tape (CT)
Capacitance @ Vr, F	30 pF @ 4 V, 1 MHz	20 pF @ 4 V, 1 MHz

Engineering Selection Recommendations

The SF26G A0G (Taiwan Semiconductor Corporation) is electrically equivalent to the SF26G-TP for applications requiring 400 V, 2 A rectification with fast recovery characteristics. Both components are Active product status and RoHS3 compliant.

Operational Considerations:

The SF26G-TP operates across a junction temperature range of -65°C to 150°C, while the SF26G A0G operates from -55°C to 150°C. In applications requiring operation below -55°C, the SF26G-TP is the appropriate selection. For standard industrial and commercial temperature ranges, both components are functionally interchangeable.

Capacitance specifications differ slightly (30 pF versus 20 pF at 4 V, 1 MHz). In high-frequency switching applications where junction capacitance affects circuit performance, this parameter difference should be evaluated against circuit requirements.

Packaging format selection (Tape & Reel versus Cut Tape) is determined by assembly process requirements and inventory management practices, not electrical performance.

Frequently Asked Questions (FAQ)

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

A: SF26G A0G is electrically equivalent for applications operating within the -55°C to 150°C junction temperature range. Applications requiring operation below -55°C require the SF26G-TP due to its extended lower temperature rating of -65°C.

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

A: Tape & Reel (TR) packaging supplies components on continuous tape wound on reels, suitable for high-volume automated assembly. Cut Tape (CT) packaging supplies components on tape segments, suitable for lower-volume or manual assembly processes. Electrical and mechanical component specifications are identical; packaging format selection depends on assembly equipment and production volume.

Q: Are the capacitance differences between SF26G-TP and SF26G A0G significant?

A: Both components specify capacitance at 30 pF and 20 pF respectively at 4 V, 1 MHz. In rectifier applications with standard switching frequencies and load conditions, this 10 pF difference does not affect functional performance. High-frequency switching circuits operating above 1 MHz should evaluate junction capacitance against specific circuit requirements.

Q: Do both parts meet the same compliance standards?

A: Yes. Both SF26G-TP and SF26G A0G are RoHS3 compliant and REACH unaffected. Both carry EAR99 ECCN classification and 8541.10.0080 HTSUS code.

Q: What is the significance of the 35 ns reverse recovery time?

A: The 35 ns reverse recovery time classifies both components as fast recovery diodes. This specification indicates the time required for the diode to transition from forward conduction to reverse blocking state. Fast recovery characteristics reduce switching losses in power conversion and rectification circuits.

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