S1J-TP General Purpose Rectifier Diode 600V 1A DO-214AA Equivalent & Substitute Parts

Part Overview

The S1J-TP is a general purpose rectifier diode manufactured by Micro Commercial Co, rated for 600V DC reverse voltage and 1A 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 S1J-TP operates across a junction temperature range of -55°C to 150°C and complies with RoHS3 and REACH regulations.

Key Parameters

Parameter	Value	Unit
Voltage - DC Reverse (Vr) (Max)	600	V
Current - Average Rectified (Io)	1	A
Voltage - Forward (Vf) (Max) @ If	1.1 @ 1 A	V
Reverse Recovery Time (trr)	2	µs
Current - Reverse Leakage @ Vr	5	µA @ 600 V
Capacitance @ Vr, F	12	pF @ 4V, 1MHz
Package / Case	DO-214AA, SMB	—
Mounting Type	Surface Mount	—
Operating Temperature - Junction	-55 to 150	°C
Technology	Standard	—
RoHS Status	ROHS3 Compliant	—
Moisture Sensitivity Level (MSL)	1 (Unlimited)	—

Substitute Part Grouping Explanation

Substitute parts for the S1J-TP are classified into two categories based on electrical and mechanical compatibility:

Direct Parametric Equivalents maintain identical electrical specifications: 600V reverse voltage, 1A average rectified current, 1.1V forward voltage drop at 1A, 2µs reverse recovery time, 5µA reverse leakage current, and 12pF capacitance. These parts are pin-compatible and functionally interchangeable in the DO-214AA SMB package. Differences exist only in manufacturer, packaging format (tape & reel versus cut tape), and product status (active versus discontinued).

Similar Current-Rated Substitute (S2J-M3/52T) provides higher current capability at 1.5A while maintaining the same 600V voltage rating, 2µs recovery time, and DO-214AA package. This part operates within the same thermal and mechanical envelope but exhibits slightly different forward voltage (1.15V @ 1.5A) and lower reverse leakage (1µA @ 600V). Selection of this substitute requires confirmation that the application circuit tolerates the increased current rating and modified electrical characteristics.

Parameter Comparison

Parameter	S1J-TP (Main)	S1J-LTP	S1JB	S1JBH	S1J_R1_00001	S2J-M3/52T
Manufacturer	Micro Commercial Co	Micro Commercial Co	Taiwan Semiconductor Corporation	Taiwan Semiconductor Corporation	Panjit International Inc.	Vishay General Semiconductor - Diodes Division
Voltage - DC Reverse (Vr) (Max)	600 V	600 V	600 V	600 V	600 V	600 V
Current - Average Rectified (Io)	1 A	1 A	1 A	1 A	1 A	1.5 A
Voltage - Forward (Vf) (Max) @ If	1.1 V @ 1 A	1.1 V @ 1 A	1.1 V @ 1 A	1.1 V @ 1 A	1.1 V @ 1 A	1.15 V @ 1.5 A
Reverse Recovery Time (trr)	2 µs	2 µs	—	—	—	2 µs
Current - Reverse Leakage @ Vr	5 µA @ 600 V	5 µA @ 600 V	5 µA @ 600 V	5 µA @ 600 V	1 µA @ 600 V	1 µA @ 600 V
Capacitance @ Vr, F	12 pF @ 4V, 1MHz	12 pF @ 4V, 1MHz	12 pF @ 4V, 1MHz	12 pF @ 4V, 1MHz	12 pF @ 4V, 1MHz	16 pF @ 4V, 1MHz
Package / Case	DO-214AA, SMB	DO-214AA, SMB	DO-214AA, SMB	DO-214AA, SMB	DO-214AA, SMB	DO-214AA, SMB
Mounting Type	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount
Operating Temperature - Junction	-55 to 150 °C	-55 to 150 °C	-55 to 150 °C	-55 to 150 °C	-55 to 150 °C	-55 to 150 °C
Product Status	Discontinued at DiGi Electronics	Active	Active	Active	Active	Active
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)
Automotive Grade / Qualification	—	—	—	AEC-Q101	—	—

Engineering Selection Recommendations

For Direct Replacement (Pin-Compatible, Electrically Identical):

S1J-LTP, S1JB, S1JBH, and S1J_R1_00001 are direct parametric equivalents to the S1J-TP. All maintain 600V reverse voltage, 1A average rectified current, 1.1V forward voltage drop, and identical thermal operating range. Selection among these equivalents depends on packaging availability and product status:

S1J-LTP (Micro Commercial Co) is the closest equivalent from the original manufacturer, supplied in tape & reel format with active product status.
S1JB (Taiwan Semiconductor Corporation) offers the highest inventory availability (6000 pcs) in cut tape and Digi-Reel format.
S1JBH (Taiwan Semiconductor Corporation) is qualified to AEC-Q101 automotive standard in tape & reel format, suitable for automotive applications requiring formal qualification.
S1J_R1_00001 (Panjit International Inc.) provides lower reverse leakage current (1µA versus 5µA) in tape & reel format.

All direct equivalents comply with RoHS3 and REACH regulations with MSL 1 (unlimited moisture sensitivity).

For Higher Current Applications:

S2J-M3/52T (Vishay General Semiconductor - Diodes Division) operates at 1.5A average rectified current while maintaining 600V reverse voltage and 2µs recovery time in the same DO-214AA package. Forward voltage increases to 1.15V at 1.5A, and reverse leakage decreases to 1µA. This substitute is appropriate only when the application circuit requires or tolerates the increased current capability and can accommodate the modified electrical characteristics.

Frequently Asked Questions (FAQ)

Q: Can S1J-LTP be used as a direct replacement for S1J-TP?

A: Yes. S1J-LTP is a direct parametric equivalent manufactured by Micro Commercial Co with identical electrical specifications: 600V reverse voltage, 1A average rectified current, 1.1V forward voltage drop at 1A, 2µs reverse recovery time, and 5µA reverse leakage current. Both use the DO-214AA SMB package. The primary difference is packaging format (tape & reel for S1J-LTP versus the original S1J-TP format) and product status (S1J-LTP is active).

Q: What is the difference between S1JB and S1JBH?

A: Both parts are manufactured by Taiwan Semiconductor Corporation with identical electrical specifications. S1JBH includes AEC-Q101 automotive qualification and is supplied in tape & reel format. S1JB is supplied in cut tape and Digi-Reel format without automotive qualification. Selection depends on application requirements and packaging needs.

Q: Can S2J-M3/52T replace S1J-TP in all applications?

A: S2J-M3/52T is a similar substitute, not a direct equivalent. It maintains the same 600V reverse voltage and 2µs recovery time but operates at 1.5A average rectified current (versus 1A for S1J-TP). Forward voltage increases to 1.15V at 1.5A, and reverse leakage decreases to 1µA. Substitution is valid only when the application circuit tolerates the increased current rating and modified electrical characteristics. The higher current capability does not create compatibility issues in circuits designed for 1A operation, but the different forward voltage and leakage characteristics must be evaluated for the specific application.

Q: Are all substitute parts RoHS3 compliant?

A: Yes. All substitute parts listed (S1J-LTP, S1JB, S1JBH, S1J_R1_00001, and S2J-M3/52T) are RoHS3 compliant with MSL 1 (unlimited moisture sensitivity). All are REACH unaffected.

Q: What is the significance of the DO-214AA SMB package?

A: DO-214AA (SMB) is a surface mount package with standardized pin configuration and footprint. All substitute parts use this identical package, ensuring mechanical and electrical compatibility on printed circuit boards designed for the S1J-TP. No PCB layout modifications are required when substituting between parts with the same DO-214AA package designation.

Q: Why does S1J_R1_00001 have lower reverse leakage current (1µA) compared to S1J-TP (5µA)?

A: Reverse leakage current variation within the same voltage and current rating reflects manufacturing process differences between Panjit International Inc. and Micro Commercial Co. The lower leakage of S1J_R1_00001 is a beneficial characteristic that does not affect substitution compatibility. Applications sensitive to leakage current may benefit from this part.

Q: Is the S1JBH automotive qualification relevant for non-automotive applications?

A: AEC-Q101 qualification indicates the part meets automotive industry reliability and testing standards. For non-automotive applications, this qualification is not required but does not prevent use. S1JBH remains a valid direct parametric equivalent for any application requiring the S1J-TP specifications.

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