TRS12E65F,S1Q Equivalent & Substitute Parts

Part Overview

The TRS12E65F,S1Q is a Silicon Carbide (SiC) Schottky diode manufactured by Toshiba Semiconductor and Storage, rated for 650V DC reverse voltage and 12A average rectified current in a Through Hole TO-220-2L package. This component is classified as Active and RoHS Compliant, with unlimited moisture sensitivity rating (MSL 1).

Substitute parts are identified to address inventory availability, extended temperature range requirements, or alternative sourcing needs while maintaining electrical and mechanical compatibility within the specified parameter envelope.

Key Parameters

Parameter	Value	Unit
Voltage - DC Reverse (Vr) (Max)	650	V
Current - Average Rectified (Io)	12	A
Voltage - Forward (Vf) (Max) @ If	1.7 @ 12 A	V
Reverse Recovery Time (trr)	0	ns
Current - Reverse Leakage @ Vr	90	µA @ 650 V
Technology	SiC (Silicon Carbide) Schottky	—
Mounting Type	Through Hole	—
Package / Case	TO-220-2	—
Operating Temperature - Junction (Max)	175	°C
RoHS Status	RoHS Compliant	—

Substitute Part Grouping Explanation

Substitution eligibility is determined by the following critical parameters:

Voltage Rating: All substitute parts must maintain 650V DC reverse voltage (Vr) maximum rating
Current Rating: Substitute parts must support minimum 12A average rectified current (Io)
Technology: All parts utilize SiC Schottky diode technology with zero reverse recovery time (trr = 0 ns)
Package Type: All parts use Through Hole TO-220-2 or equivalent mechanical footprint
Forward Voltage: Forward voltage drop (Vf) at rated current must not exceed application requirements
Reverse Leakage: Leakage current at rated voltage must remain within acceptable limits
Temperature Range: Operating junction temperature must support application thermal requirements
Compliance: RoHS and regulatory compliance status must meet application standards

Substitute parts are grouped into two categories:

Direct Substitutes (Parametric Equivalents): Parts meeting all electrical specifications at identical or superior ratings with active product status.

Functional Equivalents: Parts with enhanced current ratings or extended temperature ranges that maintain backward compatibility with the main part specifications.

Parameter Comparison

Parameter	TRS12E65F,S1Q (Toshiba)	C3D04065A (Wolfspeed)	UJ3D06512TS (Qorvo)	NXPSC126506Q (WeEn)
Voltage - DC Reverse (Vr) (Max)	650 V	650 V	650 V	650 V
Current - Average Rectified (Io)	12 A	13.5 A	12 A	12 A
Voltage - Forward (Vf) (Max) @ If	1.7 V @ 12 A	1.8 V @ 4 A	1.7 V @ 12 A	1.7 V @ 12 A
Reverse Recovery Time (trr)	0 ns	0 ns	0 ns	0 ns
Current - Reverse Leakage @ Vr	90 µA @ 650 V	60 µA @ 650 V	80 µA @ 650 V	80 µA @ 650 V
Technology	SiC Schottky	SiC Schottky	SiC Schottky	SiC Schottky
Package / Case	TO-220-2	TO-220-2	TO-220-2	TO-220-2
Operating Temperature - Junction	175°C (Max)	-55°C ~ 175°C	-55°C ~ 175°C	175°C (Max)
Product Status	Active	Active	Active	Obsolete
RoHS Status	RoHS Compliant	ROHS3 Compliant	ROHS3 Compliant	RoHS Compliant

Engineering Selection Recommendations

Primary Substitute: UJ3D06512TS (Qorvo)

The UJ3D06512TS is the preferred direct substitute for the TRS12E65F,S1Q. This part maintains identical electrical specifications (650V, 12A, 1.7V forward voltage at 12A) with zero reverse recovery time. The UJ3D06512TS carries Active product status with ROHS3 compliance and extended operating temperature range (-55°C to 175°C). Inventory availability is substantial at 11,406 pieces. The TO-220-2 package provides mechanical compatibility without modification.

Secondary Substitute: C3D04065A (Wolfspeed Z-Rec®)

The C3D04065A offers enhanced current rating (13.5A versus 12A) while maintaining 650V voltage specification. This part provides superior reverse leakage performance (60 µA versus 90 µA at 650V) and extended temperature range (-55°C to 175°C). Forward voltage specification is provided at 4A rather than 12A, requiring application-level verification. Product status is Active with ROHS3 compliance. Inventory availability is 2,020 pieces.

Tertiary Substitute: NXPSC126506Q (WeEn Semiconductors)

The NXPSC126506Q provides parametric equivalence with identical 650V, 12A, and 1.7V forward voltage specifications. However, this part carries Obsolete product status, indicating discontinued manufacturing and limited future availability. The TO-220AC package variant differs from the standard TO-220-2 footprint. This part is suitable only for legacy system maintenance or when new production alternatives are unavailable. Inventory is 1,780 pieces.

Selection Criteria Summary:

New Designs: Use UJ3D06512TS (Qorvo) for primary sourcing with C3D04065A (Wolfspeed) as secondary option
Active Product Status: UJ3D06512TS and C3D04065A are both Active; NXPSC126506Q is Obsolete
Extended Temperature Range: C3D04065A and UJ3D06512TS support -55°C to 175°C; TRS12E65F,S1Q and NXPSC126506Q limited to 175°C maximum
Compliance: All parts meet RoHS requirements; C3D04065A and UJ3D06512TS carry ROHS3 certification
Inventory: UJ3D06512TS offers highest availability (11,406 pcs)

Frequently Asked Questions (FAQ)

Q: Can the C3D04065A (13.5A) be used in place of the TRS12E65F,S1Q (12A)?

A: Yes. The C3D04065A maintains the same 650V voltage rating and exceeds the 12A current requirement with 13.5A capacity. The higher current rating provides design margin without compromising electrical compatibility. Forward voltage specification differs in test conditions (1.8V @ 4A versus 1.7V @ 12A); application-level thermal and efficiency analysis is required to confirm suitability.

Q: What is the difference between TO-220-2 and TO-220AC packages?

A: Both are Through Hole TO-220 variants with identical pin spacing and mounting footprint. The TO-220AC designation indicates an alternative supplier package designation. Mechanical compatibility is maintained for PCB mounting. Pin assignment and thermal characteristics remain equivalent.

Q: Why is NXPSC126506Q marked as Obsolete?

A: Obsolete status indicates the manufacturer (WeEn Semiconductors) has discontinued production. While existing inventory (1,780 pieces) remains available, future procurement is not guaranteed. New designs should not specify this part number.

Q: Are all substitute parts RoHS compliant?

A: Yes. The TRS12E65F,S1Q is RoHS Compliant. The C3D04065A and UJ3D06512TS carry ROHS3 Compliant certification (enhanced RoHS standard). The NXPSC126506Q is RoHS Compliant. All parts meet regulatory requirements for restricted substance elimination.

Q: What is the significance of zero reverse recovery time (trr = 0 ns)?

A: Zero reverse recovery time is a characteristic of SiC Schottky diode technology. This eliminates the delay in switching from forward to reverse bias, reducing switching losses and enabling higher frequency operation compared to conventional silicon diodes. All substitute parts maintain this specification.

Q: Can I use a substitute part with extended temperature range (-55°C to 175°C) in an application rated for 175°C maximum?

A: Yes. Extended temperature range capability is a superset of the original specification. Parts rated -55°C to 175°C are fully compatible with applications requiring 175°C maximum operation. The extended lower temperature limit provides additional design flexibility for cold-start or low-temperature environments.

Q: How do reverse leakage current differences affect circuit performance?

A: Reverse leakage current (90 µA for TRS12E65F,S1Q, 60 µA for C3D04065A, 80 µA for UJ3D06512TS and NXPSC126506Q, all at 650V) represents parasitic current flow in reverse bias. Lower leakage reduces standby power consumption and heat generation. Differences in this range (60-90 µA) are typically negligible in most power conversion applications but may be significant in high-impedance or low-power circuits.

Q: What inventory considerations apply to substitute selection?

A: UJ3D06512TS offers the highest inventory availability (11,406 pieces), providing supply security for volume production. C3D04065A (2,020 pieces) and NXPSC126506Q (1,780 pieces) have more limited stock. For critical applications, verify long-term availability with suppliers before design commitment.

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