S2G-TP Equivalent & Substitute Parts

Part Overview

The S2G-TP is a general-purpose rectifier diode manufactured by Micro Commercial Co, rated for 400 V DC reverse voltage and 2 A average rectified current in a DO-214AA (SMB) surface mount package. This part is classified as obsolete, making identification of active equivalent and substitute components necessary for ongoing design support and procurement.

The S2G-TP operates across a junction temperature range of -55°C to 150°C with standard recovery characteristics (>500 ns) and a reverse recovery time of 2 µs. RoHS3 compliance and unlimited moisture sensitivity level (MSL 1) support broad application compatibility.

Key Parameters

Parameter	Value	Unit
Voltage - DC Reverse (Vr) (Max)	400	V
Current - Average Rectified (Io)	2	A
Voltage - Forward (Vf) (Max) @ If	1.15 V @ 2 A	V
Reverse Recovery Time (trr)	2	µs
Current - Reverse Leakage @ Vr	10	µA @ 400 V
Speed Classification	Standard Recovery >500ns, > 200mA (Io)	—
Operating Temperature - Junction	-55 to 150	°C
Package / Case	DO-214AA, SMB	—
Mounting Type	Surface Mount	—
RoHS Status	ROHS3 Compliant	—

Substitute Part Grouping Explanation

Substitution of the S2G-TP is determined by strict equivalence across the following electrical and mechanical parameters:

Primary Equivalence Criteria:

Voltage - DC Reverse (Vr) (Max): 400 V
Current - Average Rectified (Io): 2 A
Package / Case: DO-214AA, SMB
Mounting Type: Surface Mount

Secondary Compatibility Factors:

Voltage - Forward (Vf) (Max) @ If: ≤ 1.3 V @ 2 A
Operating Temperature - Junction: Minimum -55°C, Maximum ≥ 150°C
RoHS3 Compliance
Moisture Sensitivity Level (MSL): 1 (Unlimited)

Substitute parts are grouped into two categories:

Direct Substitutes (Active Status): Parts meeting all primary equivalence criteria with active product status and full compliance documentation.

Parametric Equivalents (Discontinued/Automotive Grade): Parts meeting all primary equivalence criteria but with discontinued status or specialized qualifications (automotive AEC-Q101).

Parameter Comparison

Manufacturer Part Number	Manufacturer	Vr (Max) [V]	Io [A]	Vf (Max) @ If [V]	trr [µs/ns]	Ir @ Vr [µA]	Speed	Tj (°C)	Product Status	RoHS3
S2G-TP	Micro Commercial Co	400	2	1.15 @ 2 A	2 µs	10 @ 400 V	Standard >500ns	-55 to 150	Obsolete	Yes
CGRB204-G	Comchip Technology	400	2	1.1 @ 2 A	—	5 @ 400 V	Standard >500ns	—	Active	Yes
ES2G-13-F	Diodes Incorporated	400	2	1.25 @ 2 A	0.035 µs	5 @ 400 V	Fast ≤500ns	-55 to 150	Active	Yes
ES2G-E3/52T	Vishay General Semiconductor	400	2	1.1 @ 2 A	0.050 µs	10 @ 400 V	Fast ≤500ns	-55 to 150	Active	Yes
HS2G	Good-Ark Semiconductor	400	2	1.3 @ 2 A	0.050 µs	5 @ 400 V	Fast ≤500ns	-55 to 150	Active	Yes
MURS240T3G	onsemi	400	2	1.3 @ 2 A	0.065 µs	5 @ 400 V	Fast ≤500ns	-65 to 175	Active	Yes
S2G (Diotec)	Diotec Semiconductor	400	2	1.15 @ 2 A	1.5 µs	5 @ 1700 V	Standard >500ns	-50 to 150	Active	Not applicable
S2G-13-F	Diodes Incorporated	400	1.5	1.15 @ 1.5 A	—	5 @ 400 V	Standard >500ns	-65 to 150	Active	Yes
S2G R5G	Taiwan Semiconductor Corporation	400	2	1.15 @ 2 A	1.5 µs	1 @ 400 V	Standard >500ns	-55 to 150	Discontinued at DiGi Electronics	Yes
S2GH	Taiwan Semiconductor Corporation	400	2	1.15 @ 2 A	1.5 µs	1 @ 400 V	Standard >500ns	-55 to 150	Active	Yes

Engineering Selection Recommendations

Direct Substitutes (Recommended for Active Designs):

The following parts are recommended as direct substitutes for the obsolete S2G-TP based on active product status, full RoHS3 compliance, and electrical equivalence:

ES2G-13-F (Diodes Incorporated): Active status with extensive inventory (23,300 pcs). Meets all primary equivalence criteria. Forward voltage is 1.25 V @ 2 A, within acceptable tolerance. Fast recovery characteristics (35 ns trr) provide improved switching performance compared to the original S2G-TP standard recovery specification.
ES2G-E3/52T (Vishay General Semiconductor): Active status with highest inventory availability (179,973 pcs). Electrical parameters closely match S2G-TP specifications. Forward voltage 1.1 V @ 2 A and reverse leakage 10 µA @ 400 V provide direct parameter alignment. Fast recovery (50 ns trr) offers performance enhancement.
CGRB204-G (Comchip Technology): Active status with 749 pcs inventory. Forward voltage 1.1 V @ 2 A and reverse leakage 5 µA @ 400 V meet specifications. Standard recovery classification maintains compatibility with original design intent.
HS2G (Good-Ark Semiconductor): Active status with 2,600 pcs inventory. Meets all primary equivalence criteria. Forward voltage 1.3 V @ 2 A represents maximum acceptable tolerance. Fast recovery (50 ns trr) provides switching performance improvement.
MURS240T3G (onsemi): Active status with 3,268 pcs inventory. Meets all primary equivalence criteria. Extended operating temperature range (-65°C to 175°C) provides additional thermal margin. Fast recovery (65 ns trr) supports high-frequency applications.

Parametric Equivalents (Specialized Applications):

S2GH (Taiwan Semiconductor Corporation): Active status with automotive AEC-Q101 qualification. Identical electrical parameters to S2G-TP. Recommended for automotive and mission-critical applications requiring qualification documentation.
S2G R5G (Taiwan Semiconductor Corporation): Discontinued at DiGi Electronics but available inventory (3,615 pcs). Identical electrical parameters to S2G-TP. Suitable for legacy system support where continued supply is confirmed.

Not Recommended:

S2G-13-F (Diodes Incorporated): Current rating is 1.5 A, below the 2 A requirement of S2G-TP. Not suitable for direct substitution in 2 A applications.
S2G (Diotec Semiconductor): RoHS status listed as "Not applicable" and REACH status as "Vendor Undefined." Compliance documentation insufficient for new designs.

Frequently Asked Questions (FAQ)

Q: Can ES2G-13-F replace S2G-TP in all applications?

A: ES2G-13-F meets all primary equivalence criteria (400 V, 2 A, DO-214AA SMB package). The forward voltage specification of 1.25 V @ 2 A is within acceptable tolerance compared to S2G-TP at 1.15 V @ 2 A. Fast recovery characteristics (35 ns) represent an improvement over the original standard recovery (2 µs). Substitution is electrically valid. Verify circuit design does not depend on specific recovery time characteristics before implementation.

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

A: Recovery time (trr) defines the interval required for a diode to transition from forward conduction to reverse blocking. S2G-TP specifies standard recovery (>500 ns, 2 µs trr). Fast recovery substitutes (ES2G-13-F at 35 ns, ES2G-E3/52T at 50 ns) transition more rapidly. Fast recovery diodes reduce switching losses and electromagnetic interference in high-frequency applications. In low-frequency rectification circuits, recovery time difference is not functionally significant.

Q: Is the S2G-TP from Diotec Semiconductor an acceptable substitute?

A: The Diotec S2G part meets electrical equivalence criteria (400 V, 2 A, DO-214AA SMB, -50°C to 150°C). However, RoHS status is listed as "Not applicable" and REACH status as "Vendor Undefined." This part lacks compliance documentation required for new designs. It is suitable only for legacy system maintenance where compliance requirements are already established.

Q: Why do some substitutes have lower reverse leakage current?

A: Reverse leakage current (Ir) varies by semiconductor manufacturing process and quality grade. S2G-TP specifies 10 µA @ 400 V. Substitutes such as CGRB204-G, ES2G-13-F, HS2G, and MURS240T3G specify 5 µA @ 400 V. Lower leakage current indicates improved reverse blocking characteristics and reduced power dissipation in reverse bias conditions. This represents a performance improvement and does not affect forward conduction compatibility.

Q: Can MURS240T3G be used in applications requiring -55°C minimum junction temperature?

A: MURS240T3G specifies operating temperature range of -65°C to 175°C, which exceeds the S2G-TP requirement of -55°C to 150°C. The extended lower temperature limit (-65°C vs. -55°C) provides additional thermal margin. This part is suitable for applications requiring -55°C minimum operation.

Q: What is the significance of AEC-Q101 qualification on S2GH?

A: AEC-Q101 is an automotive industry qualification standard for discrete semiconductors. S2GH carries this qualification, indicating compliance with automotive reliability, quality, and testing requirements. S2GH is recommended for automotive applications, medical devices, and other mission-critical systems where qualification documentation is contractually required. Non-automotive substitutes (ES2G-13-F, CGRB204-G, etc.) lack this qualification but are suitable for general industrial and consumer applications.

Q: Is S2G-13-F a suitable replacement for S2G-TP?

A: S2G-13-F is not recommended as a direct substitute. While it shares the same package (DO-214AA SMB) and voltage rating (400 V), the current rating is 1.5 A, below the 2 A requirement of S2G-TP. Use of an undersized component in a 2 A circuit creates thermal stress and reliability risk. S2G-13-F is suitable only for applications rated at 1.5 A or lower.

Q: What packaging options are available for substitute parts?

A: All substitute parts listed are supplied in DO-214AA (SMB) surface mount package, matching the S2G-TP package specification. Packaging formats vary by supplier: Cut Tape (CT), Tape & Reel (TR), and Digi-Reel® options are available. Verify packaging format compatibility with procurement and assembly processes before component selection.

Q: Can forward voltage variation affect circuit performance?

A: Forward voltage (Vf) variation between substitutes ranges from 1.1 V to 1.3 V @ 2 A, compared to S2G-TP at 1.15 V @ 2 A. In rectification circuits, this 0.15 V maximum variation represents approximately 13% of the forward voltage specification. In low-voltage applications (< 5 V output), this variation may affect output voltage regulation. In high-voltage rectification (> 100 V), the variation is negligible. Verify circuit design margin before substitution in precision voltage regulation applications.

Request Quote (Ships tomorrow)

Part Number

Quantity

Company

Contact Name

E-mail

Message