FSV10120V Equivalent & Substitute Parts

Part Overview

The FSV10120V is a Schottky rectifier diode manufactured by onsemi, rated for 120V DC reverse voltage and 10A average rectified current in a surface mount TO-277-3 package. This component is classified as "Not For New Designs," indicating it has reached end-of-life status. Organizations currently using FSV10120V in production or maintenance applications require qualified substitute parts that maintain electrical and mechanical compatibility while offering active product status and continued supply availability.

Key Parameters

Parameter	Value	Unit
Voltage - DC Reverse (Vr) (Max)	120	V
Current - Average Rectified (Io)	10	A
Voltage - Forward (Vf) (Max) @ If	800 mV @ 10 A	mV
Reverse Recovery Time (trr)	16.7	ns
Current - Reverse Leakage @ Vr	25	µA @ 120 V
Technology	Schottky	-
Mounting Type	Surface Mount	-
Package / Case	TO-277, 3-PowerDFN	-
Operating Temperature - Junction	-55 to 150	°C
RoHS Status	ROHS3 Compliant	-

Substitute Part Grouping Explanation

Substitution of the FSV10120V is determined by strict adherence to the following electrical and mechanical parameters:

Critical Matching Parameters:

Voltage - DC Reverse (Vr) (Max): 120V
Current - Average Rectified (Io): 10A minimum
Technology: Schottky
Mounting Type: Surface Mount
Package / Case: TO-277 family (3-PowerDFN)
Operating Temperature Range: -55°C to 150°C minimum
RoHS3 Compliance: Required

Acceptable Variation Parameters:

Voltage - Forward (Vf): Within ±20 mV of 800 mV @ 10A
Current - Reverse Leakage @ Vr: Up to 400 µA @ 120V
Reverse Recovery Time (trr): ≤ 500ns (Fast Recovery)

Substitute parts are grouped into two categories: Parametric Equivalents (identical electrical specifications) and Similar Manufacturers (higher current ratings with compatible electrical characteristics).

Parameter Comparison

Parameter	FSV10120V (Main)	SVT10120V_R1_00001	SVT10120VB_R2_00001	V10P12-M3/86A	TSP15U120S S1G
Manufacturer	onsemi	Panjit International Inc.	Panjit International Inc.	Vishay General Semiconductor	Taiwan Semiconductor Corporation
Voltage - DC Reverse (Vr) (Max)	120 V	120 V	120 V	120 V	120 V
Current - Average Rectified (Io)	10 A	10 A	10 A	10 A	15 A
Voltage - Forward (Vf) (Max) @ If	800 mV @ 10 A	800 mV @ 10 A	800 mV @ 10 A	820 mV @ 10 A	750 mV @ 15 A
Reverse Recovery Time (trr)	16.7 ns	Not specified	Not specified	Not specified	Not specified
Current - Reverse Leakage @ Vr	25 µA @ 120 V	25 µA @ 120 V	25 µA @ 120 V	400 µA @ 120 V	250 µA @ 120 V
Package / Case	TO-277, 3-PowerDFN	TO-277, 3-PowerDFN	TO-277, 3-PowerDFN	TO-277, 3-PowerDFN	TO-277, 3-PowerDFN
Supplier Device Package	TO-277-3	TO-277	TO-277B	TO-277A (SMPC)	TO-277A (SMPC)
Operating Temperature - Junction	-55°C ~ 150°C	-55°C ~ 150°C	-55°C ~ 150°C	-40°C ~ 150°C	-55°C ~ 150°C
Product Status	Not For New Designs	Active	Active	Active	Active
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)

Engineering Selection Recommendations

Parametric Equivalents (Preferred for Direct Replacement):

SVT10120V_R1_00001 and SVT10120VB_R2_00001 (both Panjit International Inc.) are parametric equivalents to FSV10120V. These parts maintain identical electrical specifications: 120V reverse voltage, 10A average rectified current, 800 mV forward voltage at 10A, and 25 µA reverse leakage current. Both are ROHS3 compliant with MSL 1 rating and active product status. The primary difference is package variant designation (TO-277 versus TO-277B), which represents minor physical configuration differences within the TO-277 family. Both parts are suitable for direct substitution in existing FSV10120V applications.

Higher Current Alternative:

TSP15U120S S1G (Taiwan Semiconductor Corporation) provides 15A average rectified current while maintaining 120V reverse voltage rating. This part is suitable for applications where increased current capacity is beneficial or required. Forward voltage is reduced to 750 mV @ 15A, and reverse leakage is 250 µA @ 120V. Package variant is TO-277A (SMPC). This part is ROHS3 compliant with active product status.

Vishay Alternative:

V10P12-M3/86A (Vishay General Semiconductor - Diodes Division) matches the 10A current rating and 120V voltage specification. Forward voltage is 820 mV @ 10A (20 mV higher than FSV10120V), and reverse leakage is 400 µA @ 120V (higher than FSV10120V). Operating temperature range is -40°C to 150°C (minimum temperature 15°C higher than FSV10120V). This part is ROHS3 compliant with active product status and is suitable for applications where the reduced low-temperature range is acceptable.

All substitute parts are surface mount, ROHS3 compliant, and maintain TO-277 family packaging compatibility. Selection should be based on specific application requirements regarding current capacity, forward voltage characteristics, reverse leakage tolerance, and minimum operating temperature.

Frequently Asked Questions (FAQ)

Q: Can SVT10120V_R1_00001 be used as a direct replacement for FSV10120V?

A: Yes. SVT10120V_R1_00001 is a parametric equivalent with identical electrical specifications: 120V reverse voltage, 10A average rectified current, 800 mV forward voltage at 10A, and 25 µA reverse leakage current. Both are Schottky diodes in TO-277 family packages with identical operating temperature ranges (-55°C to 150°C). The part is ROHS3 compliant and has active product status.

Q: What is the difference between SVT10120V_R1_00001 and SVT10120VB_R2_00001?

A: Both are parametric equivalents manufactured by Panjit International Inc. with identical electrical specifications. The primary difference is the supplier device package designation: SVT10120V_R1_00001 uses TO-277, while SVT10120VB_R2_00001 uses TO-277B. These represent minor physical configuration variants within the TO-277 family. Electrical performance and compatibility are equivalent.

Q: Why does TSP15U120S S1G have a higher current rating?

A: TSP15U120S S1G is rated for 15A average rectified current compared to FSV10120V's 10A. This higher current capacity is achieved through enhanced semiconductor design and thermal characteristics. The part maintains the same 120V reverse voltage rating and is suitable for applications requiring increased current handling. Forward voltage is reduced to 750 mV @ 15A.

Q: Is V10P12-M3/86A suitable for all FSV10120V applications?

A: V10P12-M3/86A is suitable for most applications but has two notable differences: forward voltage is 820 mV @ 10A (20 mV higher than FSV10120V), and minimum operating temperature is -40°C (compared to -55°C for FSV10120V). Applications requiring operation below -40°C or with strict forward voltage specifications should use parametric equivalents instead.

Q: Are all substitute parts ROHS3 compliant?

A: Yes. All substitute parts listed (SVT10120V_R1_00001, SVT10120VB_R2_00001, V10P12-M3/86A, and TSP15U120S S1G) are ROHS3 compliant with MSL 1 (Unlimited) moisture sensitivity rating, matching FSV10120V compliance status.

Q: What is the significance of the TO-277 package variants?

A: All substitute parts use TO-277 family packages (3-PowerDFN configuration), which are mechanically and electrically compatible. Variants such as TO-277, TO-277A (SMPC), and TO-277B represent minor physical configuration differences that do not affect electrical performance or PCB layout compatibility for standard applications.

Q: Which substitute part has the lowest reverse leakage current?

A: SVT10120V_R1_00001 and SVT10120VB_R2_00001 both have 25 µA reverse leakage current @ 120V, matching FSV10120V exactly. TSP15U120S S1G has 250 µA, and V10P12-M3/86A has 400 µA. For applications sensitive to leakage current, the Panjit parametric equivalents are preferred.

Q: Can these parts be used interchangeably on the same PCB?

A: Yes, all substitute parts use compatible TO-277 family surface mount packages. PCB footprints designed for FSV10120V accommodate all listed substitutes. However, verify specific package variant requirements with PCB design documentation, as minor physical differences may exist between TO-277, TO-277A, and TO-277B variants.

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