S2J-TP Equivalent & Substitute Parts

Part Overview

The S2J-TP is a general-purpose rectifier diode manufactured by Micro Commercial Co, rated for 600 V DC reverse voltage and 2 A average rectified current in a surface mount DO-214AA (SMB) package. This part is discontinued at DiGi Electronics, necessitating identification of equivalent and substitute components for ongoing design support and procurement.

The S2J-TP operates across a junction temperature range of -55°C to 150°C and exhibits standard recovery characteristics with a reverse recovery time of 2 µs. Forward voltage drop is specified at 1.15 V maximum at 2 A. The component is RoHS3 compliant with unlimited moisture sensitivity level (MSL 1).

Key Parameters

Parameter	Value	Unit
Voltage - DC Reverse (Vr) (Max)	600	V
Current - Average Rectified (Io)	2	A
Voltage - Forward (Vf) (Max) @ If	1.15 @ 2 A	V
Reverse Recovery Time (trr)	2	µs
Current - Reverse Leakage @ Vr	10	µA @ 600 V
Capacitance @ Vr, F	30	pF @ 4V, 1MHz
Operating Temperature - Junction	-55 to 150	°C
Package / Case	DO-214AA, SMB	—
Technology	Standard	—
RoHS Status	ROHS3 Compliant	—

Substitute Part Grouping Explanation

Substitution of the S2J-TP is determined by the following critical parameters:

Electrical Compatibility Requirements:

Voltage - DC Reverse (Vr) (Max): 600 V minimum
Current - Average Rectified (Io): 2 A minimum
Voltage - Forward (Vf) (Max) @ If: 1.15 V or lower at rated current
Operating Temperature - Junction: Must encompass -55°C to 150°C or broader range

Mechanical Compatibility Requirements:

Package / Case: DO-214AA (SMB) surface mount only
Mounting Type: Surface Mount

Compliance Requirements:

RoHS3 Compliant
Moisture Sensitivity Level (MSL): 1 (Unlimited)

Substitute parts are grouped into three categories:

Direct Substitutes (Identical Electrical and Mechanical Specifications): Parts with matching voltage, current, forward voltage, package, and temperature range specifications.

Parametric Equivalents (Matching Core Electrical Ratings with Minor Variations): Parts meeting or exceeding the 600 V, 2 A, and 1.15 V specifications with acceptable variations in recovery time, leakage current, or capacitance that do not degrade circuit performance.

Similar Alternatives (Reduced Current Rating): Parts with identical voltage and package specifications but lower current ratings (1.5 A), suitable only for applications where the full 2 A rating is not required.

Parameter Comparison

Part Number	Manufacturer	Vr (Max) [V]	Io [A]	Vf (Max) @ If [V]	trr [µs]	Ir @ Vr [µA]	C @ Vr [pF]	Tj Range [°C]	Product Status	Package
S2J-TP	Micro Commercial Co	600	2	1.15 @ 2 A	2	10 @ 600 V	30 @ 4V	-55 to 150	Discontinued	DO-214AA
S2J-LTP	Micro Commercial Co	600	2	1.15 @ 2 A	≤0.5	5 @ 600 V	20 @ 4V	-55 to 150	Active	DO-214AA
S2J	Nexperia USA Inc.	600	2	1.15 @ 2 A	2	1 @ 600 V	30 @ 4V	-65 to 150	Active	DO-214AA
S2J-13-F	Diodes Incorporated	600	1.5	1.15 @ 1.5 A	>0.5	5 @ 600 V	20 @ 4V	-65 to 150	Active	DO-214AA
SURS8260T3G-VF01	onsemi	600	2	1.45 @ 2 A	≤0.5	5 @ 600 V	—	-65 to 175	Not For New Designs	DO-214AA
S2JH	Taiwan Semiconductor Corporation	600	2	1.15 @ 2 A	1.5	1 @ 600 V	30 @ 4V	-55 to 150	Active	DO-214AA
SB2J-M3/52T	Vishay General Semiconductor	600	2	1.15 @ 2 A	2	1 @ 600 V	16 @ 4V	-55 to 150	Active	DO-214AA
SB2J-M3/5BT	Vishay General Semiconductor	600	2	1.15 @ 2 A	2	1 @ 600 V	16 @ 4V	-55 to 150	Active	DO-214AA

Engineering Selection Recommendations

Primary Recommendation: S2J-LTP (Micro Commercial Co)

The S2J-LTP is the direct successor to the S2J-TP from the same manufacturer. It maintains identical electrical ratings (600 V, 2 A, 1.15 V forward voltage) and package specifications while offering improved performance characteristics. The S2J-LTP features fast recovery (≤500 ns) compared to the standard recovery (>500 ns) of the S2J-TP, reduced reverse leakage current (5 µA versus 10 µA), and lower junction capacitance (20 pF versus 30 pF). The part is currently active with 5113 units in stock and is supplied in Tape & Reel packaging. RoHS3 compliance and MSL 1 rating are maintained.

Secondary Recommendation: S2J (Nexperia USA Inc.)

The S2J from Nexperia provides full electrical equivalence with identical voltage, current, and forward voltage specifications. This part offers superior reverse leakage performance (1 µA versus 10 µA) and an extended operating temperature range (-65°C to 150°C versus -55°C to 150°C). The S2J is active with extensive inventory availability (2,447,738 units). RoHS3 compliance and MSL 1 rating apply.

Tertiary Recommendation: S2JH (Taiwan Semiconductor Corporation)

The S2JH meets all electrical requirements with 600 V, 2 A, and 1.15 V specifications. This part includes AEC-Q101 automotive qualification and carries active product status. Reverse leakage is 1 µA, and reverse recovery time is 1.5 µs. The operating temperature range matches the original (-55°C to 150°C). RoHS3 compliance and MSL 1 rating are confirmed.

Alternative Recommendations: SB2J-M3/52T and SB2J-M3/5BT (Vishay General Semiconductor)

Both Vishay parts provide full electrical equivalence with 600 V, 2 A, and 1.15 V specifications. These parts feature reduced junction capacitance (16 pF versus 30 pF) and superior reverse leakage (1 µA versus 10 µA). Both are active with RoHS3 compliance and MSL 1 rating. Inventory availability is limited (675 and 967 units respectively).

Not Recommended for New Designs: SURS8260T3G-VF01 (onsemi)

While the SURS8260T3G-VF01 meets the 600 V and 2 A requirements, it carries a "Not For New Designs" product status. Additionally, the forward voltage specification (1.45 V @ 2 A) exceeds the S2J-TP maximum of 1.15 V, introducing higher power dissipation in the application circuit.

Limited Scope: S2J-13-F (Diodes Incorporated)

The S2J-13-F is rated for 1.5 A average rectified current, which is below the 2 A specification of the S2J-TP. This part is suitable only for applications where the full 2 A rating is not required or where the circuit design permits operation at reduced current levels.

Frequently Asked Questions (FAQ)

Q: Can I use S2J-LTP as a direct replacement for S2J-TP?

A: Yes. The S2J-LTP maintains identical electrical ratings (600 V, 2 A, 1.15 V forward voltage) and DO-214AA package specifications. The S2J-LTP is the active production equivalent with improved performance characteristics including faster recovery time and lower leakage current.

Q: What is the difference between standard recovery and fast recovery diodes?

A: Recovery time refers to the interval required for a diode to transition from forward conduction to reverse blocking when the applied voltage reverses. The S2J-TP specifies standard recovery (>500 ns), while the S2J-LTP specifies fast recovery (≤500 ns). Fast recovery reduces switching losses in high-frequency applications but is not required for low-frequency rectification circuits.

Q: Are all substitute parts RoHS3 compliant?

A: Yes. All substitute parts listed in this reference meet RoHS3 compliance requirements. All parts also carry MSL 1 (Unlimited) moisture sensitivity level ratings.

Q: Can I substitute the S2J-13-F for the S2J-TP?

A: The S2J-13-F is rated for 1.5 A average rectified current, which is 25% below the S2J-TP 2 A rating. Substitution is permissible only if the application circuit operates at or below 1.5 A. The forward voltage specification (1.15 V @ 1.5 A) remains compatible.

Q: What is the significance of reverse leakage current differences?

A: Reverse leakage current represents the small current flowing through the diode when reverse voltage is applied. The S2J-TP specifies 10 µA @ 600 V, while most substitute parts specify 1 µA @ 600 V. Lower leakage current reduces power dissipation and improves circuit efficiency, particularly in high-impedance applications. This difference does not prevent substitution.

Q: Why is SURS8260T3G-VF01 marked "Not For New Designs"?

A: The "Not For New Designs" status indicates that the manufacturer has discontinued active development and support for this part. While the part may remain available in inventory, it is not recommended for new circuit designs. The forward voltage specification (1.45 V @ 2 A) also exceeds the S2J-TP maximum, introducing higher power dissipation.

Q: Are all substitute parts available in the same packaging format?

A: All substitute parts are available in DO-214AA (SMB) surface mount package. However, packaging options vary by supplier. S2J-LTP is supplied in Tape & Reel (TR) format. S2J from Nexperia does not specify packaging format in the provided data. S2J-13-F is available in Cut Tape (CT) & Digi-Reel format. S2JH, SB2J-M3/52T, and SB2J-M3/5BT are supplied in Tape & Reel format. Verify packaging compatibility with your assembly process requirements.

Q: What is the operating temperature range difference between S2J-TP and S2J?

A: The S2J-TP operates from -55°C to 150°C junction temperature. The S2J from Nexperia operates from -65°C to 150°C, providing 10°C additional low-temperature capability. This extended range does not affect substitution compatibility and may provide additional design margin in cold-environment applications.

Q: Do all substitute parts have automotive qualification?

A: No. Only S2JH (Taiwan Semiconductor Corporation) and SURS8260T3G-VF01 (onsemi) carry AEC-Q101 automotive qualification. The remaining parts do not specify automotive qualification in the provided data. Automotive qualification is required only if the application is subject to automotive industry standards.

Q: What is the significance of junction capacitance differences?

A: Junction capacitance affects high-frequency performance and switching characteristics. The S2J-TP specifies 30 pF @ 4V, 1MHz. Substitute parts range from 16 pF to 30 pF. Lower capacitance reduces switching losses and improves high-frequency performance. This parameter is not critical for standard rectification applications but becomes significant in high-frequency switching circuits.

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