SF14G-TP General Purpose Rectifier Diode Equivalent & Substitute Parts

Part Overview

The SF14G-TP is a general purpose rectifier diode manufactured by Micro Commercial Co, rated for 200 V DC reverse voltage and 1 A average rectified current in a through-hole DO-41 package. This component is classified as Active product status and is RoHS3 compliant. Substitute parts are identified when equivalent electrical performance and mechanical compatibility are required due to inventory constraints, supply chain considerations, or design flexibility needs.

Key Parameters

Parameter	Value	Unit
Voltage - DC Reverse (Vr) (Max)	200	V
Current - Average Rectified (Io)	1	A
Voltage - Forward (Vf) (Max) @ If	950 mV @ 1 A	mV
Reverse Recovery Time (trr)	35	ns
Current - Reverse Leakage @ Vr	5	µA @ 200 V
Mounting Type	Through Hole	-
Package / Case	DO-204AL, DO-41, Axial	-
Operating Temperature - Junction	-55 to 150	°C
Technology	Standard	-
RoHS Status	ROHS3 Compliant	-

Substitute Part Grouping Explanation

Substitution eligibility for the SF14G-TP is determined by the following critical parameters:

Mandatory Matching Parameters:

Voltage - DC Reverse (Vr) (Max): 200 V
Current - Average Rectified (Io): 1 A
Voltage - Forward (Vf) (Max) @ If: 950 mV @ 1 A
Mounting Type: Through Hole
Package / Case: DO-204AL, DO-41, Axial
Operating Temperature - Junction: -55°C to 150°C
Technology: Standard
RoHS Status: ROHS3 Compliant

Performance Parameters (Allowable Variation):

Reverse Recovery Time (trr): 25 ns to 35 ns (faster recovery acceptable)
Current - Reverse Leakage @ Vr: 1 µA to 5 µA @ 200 V (lower leakage acceptable)
Capacitance @ Vr, F: 17 pF to 20 pF @ 4V, 1MHz (minor variation acceptable)

All four substitute parts meet these criteria and are classified as parametric equivalents.

Parameter Comparison

Parameter	SF14G-TP (Main)	ER102_R2_00001	SF14GH	UG1D-E3/54	UG1D-E3/73
Manufacturer	Micro Commercial Co	Panjit International Inc.	Taiwan Semiconductor Corporation	Vishay General Semiconductor	Vishay General Semiconductor
Voltage - DC Reverse (Vr) (Max)	200 V	200 V	200 V	200 V	200 V
Current - Average Rectified (Io)	1 A	1 A	1 A	1 A	1 A
Voltage - Forward (Vf) (Max) @ If	950 mV @ 1 A	950 mV @ 1 A	950 mV @ 1 A	950 mV @ 1 A	950 mV @ 1 A
Reverse Recovery Time (trr)	35 ns	35 ns	35 ns	25 ns	25 ns
Current - Reverse Leakage @ Vr	5 µA @ 200 V	1 µA @ 200 V	5 µA @ 200 V	5 µA @ 200 V	5 µA @ 200 V
Capacitance @ Vr, F	20 pF @ 4V, 1MHz	17 pF @ 4V, 1MHz	20 pF @ 4V, 1MHz	Not specified	Not specified
Mounting Type	Through Hole	Through Hole	Through Hole	Through Hole	Through Hole
Package / Case	DO-204AL, DO-41, Axial	DO-204AL, DO-41, Axial	DO-204AL, DO-41, Axial	DO-204AL, DO-41, Axial	DO-204AL, DO-41, Axial
Operating Temperature - Junction	-55°C ~ 150°C	-55°C ~ 150°C	-55°C ~ 150°C	-55°C ~ 150°C	-55°C ~ 150°C
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Packaging Type	Tape & Reel (TR)	Cut Tape (CT)	Cut Tape (CT)	Cut Tape (CT)	Cut Tape (CT)
Inventory Status	968 Pcs New Original In Stock	5951 Pcs New Original In Stock	5873 Pcs New Original In Stock	2320 Pcs New Original In Stock	11383 Pcs New Original In Stock

Engineering Selection Recommendations

Primary Substitute - UG1D-E3/73 (Vishay General Semiconductor): This part offers the highest inventory availability (11,383 pcs) and meets all mandatory electrical parameters. The reverse recovery time of 25 ns is superior to the main part specification of 35 ns, providing improved switching performance. RoHS3 compliance and REACH unaffected status are confirmed. This part is suitable for direct substitution in applications where faster recovery characteristics are beneficial or neutral.

Secondary Substitute - UG1D-E3/54 (Vishay General Semiconductor): Equivalent to UG1D-E3/73 with identical electrical specifications and RoHS3 compliance. Inventory of 2,320 pcs is available. The 25 ns reverse recovery time provides performance improvement over the main part. Selection between UG1D-E3/54 and UG1D-E3/73 depends on supply chain and inventory management requirements.

Tertiary Substitute - SF14GH (Taiwan Semiconductor Corporation): Maintains identical electrical parameters to the main part, including 35 ns reverse recovery time and 5 µA reverse leakage current. Includes automotive-grade qualification (AEC-Q101), which provides additional quality assurance for applications requiring automotive standards. Inventory of 5,873 pcs is available. RoHS3 compliant.

Quaternary Substitute - ER102_R2_00001 (Panjit International Inc.): Meets all mandatory electrical specifications with improved reverse leakage current of 1 µA (versus 5 µA in main part) and slightly lower capacitance of 17 pF. Inventory of 5,951 pcs is available. RoHS3 compliant. Suitable for applications where lower leakage current provides design advantage.

All substitute parts are Active product status with confirmed RoHS3 compliance and REACH unaffected designation.

Frequently Asked Questions (FAQ)

Q: Can UG1D-E3/73 be used as a direct replacement for SF14G-TP?

A: Yes. UG1D-E3/73 meets all mandatory electrical parameters: 200 V reverse voltage, 1 A average rectified current, 950 mV forward voltage at 1 A, through-hole mounting, and DO-41 package. The 25 ns reverse recovery time is faster than the SF14G-TP specification of 35 ns, which is acceptable for substitution. Both parts are RoHS3 compliant and operate across -55°C to 150°C junction temperature range.

Q: What is the difference between the packaging types (Tape & Reel vs. Cut Tape)?

A: SF14G-TP is supplied in Tape & Reel (TR) format, while all substitute parts are supplied in Cut Tape (CT) format. Both are standard through-hole component packaging methods. Tape & Reel is typically used for automated assembly processes, while Cut Tape is used for manual assembly or smaller quantity requirements. The electrical and mechanical properties of the diode itself are identical regardless of packaging format.

Q: Why does SF14GH have an AEC-Q101 qualification while other substitutes do not?

A: SF14GH is qualified to AEC-Q101 automotive standard, indicating it has undergone additional qualification testing for automotive applications. This qualification is specific to the SF14GH part from Taiwan Semiconductor Corporation. Other substitute parts meet the same electrical specifications but do not carry this automotive qualification designation. Selection of SF14GH is appropriate when automotive-grade components are required by design specification.

Q: Is the lower reverse leakage current in ER102_R2_00001 (1 µA vs. 5 µA) significant?

A: The reverse leakage current specification of 1 µA in ER102_R2_00001 is lower than the 5 µA specification in SF14G-TP and most other substitutes. Lower reverse leakage current is generally beneficial in applications sensitive to leakage, such as precision analog circuits or high-impedance applications. However, both values are within acceptable ranges for general purpose rectifier applications. Selection based on this parameter depends on specific circuit requirements.

Q: Can these diodes be used interchangeably in existing PCB designs?

A: Yes, all substitute parts use identical through-hole DO-41 package dimensions and axial lead configuration. PCB footprints and lead spacing are compatible. No PCB redesign is required for substitution. Electrical performance is equivalent across all specified parameters within the allowable variation ranges defined for this product category.

Q: What compliance certifications apply to all substitute parts?

A: All substitute parts (ER102_R2_00001, SF14GH, UG1D-E3/54, UG1D-E3/73) are RoHS3 compliant and REACH unaffected. ECCN classification is EAR99 for all parts. HTSUS code is 8541.10.0080 for all parts. Moisture Sensitivity Level (MSL) is 1 (Unlimited) for all parts, indicating no moisture sensitivity precautions are required during storage or handling.

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