SF24G-AP General Purpose Rectifier Diode Equivalent & Substitute Parts

Part Overview

The SF24G-AP is a general purpose rectifier diode manufactured by Micro Commercial Co, rated for 200V DC reverse voltage and 2A average rectified current in a through-hole DO-15 package. This diode 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	Unit
Voltage - DC Reverse (Vr) (Max)	200	V
Current - Average Rectified (Io)	2	A
Voltage - Forward (Vf) (Max) @ If	950 mV @ 2 A	mV
Reverse Recovery Time (trr)	35	ns
Current - Reverse Leakage @ Vr	5	µA @ 200 V
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 SF24G-AP are identified based on strict electrical and mechanical parameter matching. The substitution criteria are:

Voltage Rating: DC reverse voltage (Vr) must equal 200V
Current Rating: Average rectified current (Io) must equal 2A
Forward Voltage: Forward voltage drop (Vf) at rated current must equal 950 mV @ 2A
Reverse Leakage: Reverse leakage current must equal 5 µA @ 200V
Package Compatibility: Through-hole mounting in DO-15 or DO-204AC (equivalent designations)
Temperature Range: Operating junction temperature range must equal -65°C to 150°C
Compliance: RoHS3 compliance required

The EGP20D-E3/73 meets all substitution criteria and is classified as a parametric equivalent.

Parameter Comparison

Parameter	SF24G-AP (Micro Commercial Co)	EGP20D-E3/73 (Vishay)	Match Status
Voltage - DC Reverse (Vr) (Max)	200 V	200 V	Match
Current - Average Rectified (Io)	2 A	2 A	Match
Voltage - Forward (Vf) (Max) @ If	950 mV @ 2 A	950 mV @ 2 A	Match
Reverse Recovery Time (trr)	35 ns	50 ns	Within Tolerance
Current - Reverse Leakage @ Vr	5 µA @ 200 V	5 µA @ 200 V	Match
Capacitance @ Vr, F	60 pF @ 4V, 1MHz	70 pF @ 4V, 1MHz	Within Tolerance
Package / Case	DO-204AC, DO-15, Axial	DO-204AC, DO-15, Axial	Match
Mounting Type	Through Hole	Through Hole	Match
Operating Temperature - Junction	-65°C ~ 150°C	-65°C ~ 150°C	Match
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	Match
Product Status	Active	Active	Match

Engineering Selection Recommendations

Both the SF24G-AP and EGP20D-E3/73 are Active product status components with full RoHS3 compliance and REACH unaffected status. Selection between these parts is based on:

Availability: EGP20D-E3/73 has 3900 pieces in stock versus 908 pieces for SF24G-AP
Packaging Format: SF24G-AP is supplied in Tape & Box (TB); EGP20D-E3/73 is supplied in Cut Tape (CT)
Reverse Recovery Time: EGP20D-E3/73 specifies 50 ns versus 35 ns for SF24G-AP; both are classified as fast recovery (≤500 ns)
Capacitance: EGP20D-E3/73 specifies 70 pF versus 60 pF for SF24G-AP at 4V, 1MHz

All electrical parameters critical to circuit function are equivalent. Component selection should be based on procurement requirements, packaging preferences, and inventory availability.

Frequently Asked Questions (FAQ)

Q: Can EGP20D-E3/73 be used as a direct replacement for SF24G-AP in PCB assembly?

A: Yes. Both components share identical voltage ratings (200V), current ratings (2A), forward voltage characteristics (950 mV @ 2A), and through-hole DO-15 package geometry. PCB footprints are compatible.

Q: What is the difference in reverse recovery time between these parts?

A: SF24G-AP specifies 35 ns reverse recovery time; EGP20D-E3/73 specifies 50 ns. Both are classified as fast recovery diodes (≤500 ns). The 15 ns difference is within typical application tolerances for general purpose rectification.

Q: Are there packaging differences between SF24G-AP and EGP20D-E3/73?

A: Yes. SF24G-AP is supplied in Tape & Box (TB) format; EGP20D-E3/73 is supplied in Cut Tape (CT) format. Both use identical DO-15 package geometry. Packaging format affects handling and automated assembly processes but not electrical performance.

Q: Do both parts meet the same compliance standards?

A: Yes. Both SF24G-AP and EGP20D-E3/73 are RoHS3 compliant, REACH unaffected, and classified under ECCN EAR99 with HTSUS code 8541.10.0080. Moisture sensitivity level is 1 (Unlimited) for both parts.

Q: What is the capacitance difference, and does it affect circuit performance?

A: SF24G-AP specifies 60 pF @ 4V, 1MHz; EGP20D-E3/73 specifies 70 pF @ 4V, 1MHz. The 10 pF difference is negligible for general purpose rectification applications and does not affect switching or filtering characteristics in typical circuits.

Q: Can these parts be used interchangeably in high-frequency switching applications?

A: Both parts are rated for fast recovery operation (≤500 ns). The reverse recovery time difference (35 ns versus 50 ns) is minor. Application suitability depends on specific circuit switching frequency and EMI requirements, which are determined by circuit design rather than diode selection alone.

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