FFSP0465A Silicon Carbide Schottky Diode Equivalent & Substitute Parts

Part Overview

The FFSP0465A is a silicon carbide Schottky diode manufactured by onsemi, rated for 650 V DC reverse voltage with 8.6 A average rectified current in a Through Hole TO-220-2 package. This component is classified as Last Time Buy, indicating discontinued production status. Identification of equivalent and substitute parts is necessary to ensure design continuity and procurement availability for applications requiring 650 V SiC Schottky rectification.

Key Parameters

Parameter	Value	Unit
Voltage - DC Reverse (Vr) (Max)	650	V
Current - Average Rectified (Io)	8.6	A
Voltage - Forward (Vf) (Max) @ If	1.75 @ 4	V @ A
Reverse Recovery Time (trr)	0	ns
Current - Reverse Leakage @ Vr	200	µA @ 650 V
Technology	SiC Schottky	-
Package / Case	TO-220-2	-
Operating Temperature - Junction	-55 to 175	°C

Substitute Part Grouping Explanation

Substitution of the FFSP0465A is determined by the following critical parameters:

Voltage Rating: The substitute part must maintain the 650 V DC reverse voltage specification to ensure equivalent blocking capability in the application circuit.

Technology: Both the main part and substitute must utilize SiC (Silicon Carbide) Schottky technology to preserve the zero reverse recovery time characteristic and thermal performance profile.

Package Type: The TO-220-2 Through Hole package defines mechanical and thermal interface compatibility with the PCB layout and heatsinking requirements.

Operating Temperature Range: The -55°C to 175°C junction temperature range must be maintained to ensure reliability across the specified thermal environment.

Current Rating: The substitute part current rating determines whether it can handle the application's load requirements. A lower current rating indicates reduced current capacity.

The identified substitute part PCDP0465G1_T0_00001 (Panjit International Inc.) shares the same voltage rating, technology, package type, and operating temperature range. However, the current rating differs at 4 A versus 8.6 A for the main part.

Parameter Comparison

Parameter	FFSP0465A (onsemi)	PCDP0465G1_T0_00001 (Panjit)	Unit
Voltage - DC Reverse (Vr) (Max)	650	650	V
Current - Average Rectified (Io)	8.6	4	A
Voltage - Forward (Vf) (Max) @ If	1.75 @ 4	1.7 @ 4	V @ A
Reverse Recovery Time (trr)	0	0	ns
Current - Reverse Leakage @ Vr	200 @ 650	40 @ 650	µA @ V
Capacitance @ Vr, F	258 @ 1V, 100kHz	146 @ 1V, 1MHz	pF @ V, Frequency
Technology	SiC Schottky	SiC Schottky	-
Package / Case	TO-220-2	TO-220-2	-
Operating Temperature - Junction	-55 to 175	-55 to 175	°C
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	-
REACH Status	REACH Unaffected	REACH Unaffected	-
Product Status	Last Time Buy	Active	-

Engineering Selection Recommendations

FFSP0465A (onsemi): This part is designated Last Time Buy, indicating end-of-life status. Current inventory of 1581 pieces is available. The part maintains full ROHS3 compliance and REACH Unaffected status. Selection of this part is appropriate only for existing stock utilization or legacy design maintenance where the 8.6 A current rating is required.

PCDP0465G1_T0_00001 (Panjit International Inc.): This part carries Active product status with 3112 pieces in inventory. It maintains identical ROHS3 compliance and REACH Unaffected status. The part is suitable for new designs and ongoing procurement. The 4 A current rating represents a reduction from the main part specification and must be evaluated against application current requirements.

Both parts share identical voltage ratings, SiC Schottky technology, TO-220-2 package configuration, and operating temperature range. Selection between these parts depends on whether the application current requirement can be satisfied by the 4 A rating of the substitute part.

Frequently Asked Questions (FAQ)

Q: Can PCDP0465G1_T0_00001 directly replace FFSP0465A in all applications?

A: Direct replacement is possible only if the application current requirement does not exceed 4 A. The PCDP0465G1_T0_00001 is rated for 4 A average rectified current, while the FFSP0465A is rated for 8.6 A. Applications requiring current above 4 A require design modification or alternative component selection.

Q: Are the package dimensions identical between these parts?

A: Both parts use the TO-220-2 Through Hole package. Package mechanical compatibility is equivalent for PCB layout and heatsinking purposes.

Q: What is the difference in reverse leakage current between these parts?

A: The FFSP0465A specifies 200 µA reverse leakage at 650 V, while the PCDP0465G1_T0_00001 specifies 40 µA at the same voltage. The lower leakage current of the substitute part indicates reduced reverse bias current flow.

Q: Do both parts meet the same regulatory compliance standards?

A: Yes. Both FFSP0465A and PCDP0465G1_T0_00001 are ROHS3 Compliant and REACH Unaffected, meeting equivalent environmental and regulatory requirements.

Q: Why is the FFSP0465A marked as Last Time Buy?

A: Last Time Buy status indicates that onsemi has discontinued production of this part. Existing inventory is available for purchase, but no future production is planned. The PCDP0465G1_T0_00001 with Active status represents the ongoing procurement option.

Q: Are the forward voltage characteristics equivalent?

A: At 4 A forward current, the FFSP0465A specifies 1.75 V maximum forward voltage, while the PCDP0465G1_T0_00001 specifies 1.7 V maximum. Both values are within typical SiC Schottky diode performance ranges and represent negligible practical difference for most applications.

Q: What is the significance of zero reverse recovery time for both parts?

A: Zero reverse recovery time is a characteristic of SiC Schottky technology, indicating instantaneous switching behavior without the charge storage delay present in conventional silicon diodes. Both parts maintain this performance advantage.

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