S2D-TP Equivalent & Substitute Parts

Part Overview

The S2D-TP is a general-purpose rectifier diode manufactured by Micro Commercial Co, rated for 200 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 equivalent and substitute parts necessary for ongoing design support and procurement continuity. The S2D-TP operates across a junction temperature range of -55°C to 150°C and complies with RoHS3 and REACH requirements.

Key Parameters

Parameter	Value	Unit
Voltage - DC Reverse (Vr) (Max)	200	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 @ 200 V
Speed Classification	Standard Recovery >500ns	-
Package / Case	DO-214AA, SMB	-
Mounting Type	Surface Mount	-
Operating Temperature - Junction	-55 to 150	°C
RoHS Status	ROHS3 Compliant	-
Moisture Sensitivity Level (MSL)	1 (Unlimited)	-

Substitute Part Grouping Explanation

Substitute parts for the S2D-TP are grouped based on strict electrical and mechanical compatibility criteria. The primary substitution parameters are:

Critical Parameters (Must Match):

Voltage - DC Reverse (Vr) (Max): 200 V
Package / Case: DO-214AA, SMB
Mounting Type: Surface Mount
RoHS3 Compliance

Functional Parameters (Determine Substitution Suitability):

Current - Average Rectified (Io): 2 A (primary rating) or lower
Voltage - Forward (Vf) (Max) @ If: Must not exceed application requirements
Reverse Recovery Time (trr): Affects switching performance
Current - Reverse Leakage @ Vr: Affects standby power consumption
Operating Temperature - Junction: Must encompass application range

Substitute parts are classified into two categories:

Direct Substitutes (2 A Rating): Parts with identical 2 A current rating and 200 V voltage rating, maintaining full functional equivalence.

Reduced Current Substitutes (1 A to 1.5 A Rating): Parts with lower current ratings suitable for applications not requiring full 2 A capacity.

Parameter Comparison

Part Number	Manufacturer	Vr (Max) [V]	Io [A]	Vf (Max) @ If [V]	trr [µs/ns]	Ir @ Vr [µA]	Speed	Tj Range [°C]	Product Status
S2D-TP	Micro Commercial Co	200	2	1.15 @ 2 A	2 µs	10 @ 200 V	Standard Recovery >500ns	-55 to 150	Obsolete
ES2D-E3/5BT	Vishay General Semiconductor - Diodes Division	200	2	0.9 @ 2 A	30 ns	10 @ 200 V	Fast Recovery ≤500ns	-55 to 150	Active
ES2D-E3/52T	Vishay General Semiconductor - Diodes Division	200	2	0.9 @ 2 A	30 ns	10 @ 200 V	Fast Recovery ≤500ns	-55 to 150	Active
ES2D-13-F	Diodes Incorporated	200	2	0.92 @ 2 A	25 ns	5 @ 200 V	Fast Recovery ≤500ns	-55 to 150	Active
ES2D	Good-Ark Semiconductor	200	2	0.95 @ 2 A	35 ns	10 @ 200 V	Fast Recovery ≤500ns	-55 to 150	Active
ESH2D-E3/5BT	Vishay General Semiconductor - Diodes Division	200	2	0.93 @ 2 A	35 ns	2 @ 200 V	Fast Recovery ≤500ns	-55 to 175	Active
STTH2R02U	STMicroelectronics	200	2	1.0 @ 2 A	30 ns	3 @ 200 V	Fast Recovery ≤500ns	-55 to 175	Active
S2D	Diotec Semiconductor	200	2	1.15 @ 2 A	1.5 µs	5 @ 200 V	Standard Recovery >500ns	-50 to 150	Active
S2D-13-F	Diodes Incorporated	200	1.5	1.15 @ 1.5 A	>500 ns	5 @ 200 V	Standard Recovery >500ns	-65 to 150	Active
CMR1S-02 TR13 PBFREE	Central Semiconductor Corp	200	1	0.95 @ 1 A	35 ns	5 @ 200 V	Fast Recovery ≤500ns	-65 to 150	Active

Engineering Selection Recommendations

Primary Direct Substitutes (Recommended for Obsolescence Replacement):

The following parts provide direct functional equivalence with 2 A current rating and 200 V voltage rating, all with active product status:

ES2D-E3/5BT (Vishay): Active status, identical voltage and current ratings, improved fast recovery characteristics (30 ns vs. 2 µs), lower forward voltage (0.9 V vs. 1.15 V), extended temperature range to 175°C, Tape & Reel packaging.
ES2D-13-F (Diodes Incorporated): Active status, identical voltage and current ratings, fast recovery (25 ns), lowest forward voltage (0.92 V), reduced reverse leakage (5 µA), Cut Tape & Digi-Reel packaging.
STTH2R02U (STMicroelectronics): Active status, identical voltage and current ratings, fast recovery (30 ns), moderate forward voltage (1.0 V), low reverse leakage (3 µA), extended temperature range to 175°C.

Secondary Direct Substitutes (Performance Equivalent):

ES2D (Good-Ark Semiconductor): Active status, identical ratings, fast recovery characteristics, high inventory availability (89,400 pcs).
ES2D-E3/52T (Vishay): Active status, identical ratings, fast recovery (30 ns), Cut Tape packaging.
S2D (Diotec Semiconductor): Active status, identical voltage and current ratings, maintains standard recovery speed matching original part, forward voltage identical to S2D-TP (1.15 V).

Reduced Current Substitute (Lower Current Applications):

S2D-13-F (Diodes Incorporated): Active status, 1.5 A rating (75% of original), identical forward voltage (1.15 V), standard recovery speed, suitable for applications not requiring full 2 A capacity.
CMR1S-02 TR13 PBFREE (Central Semiconductor Corp): Active status, 1 A rating (50% of original), fast recovery characteristics, suitable for lower current applications only.

Compliance and Certification:

All substitute parts listed maintain RoHS3 compliance and REACH compliance status equivalent to the S2D-TP. All parts feature MSL 1 (Unlimited) moisture sensitivity rating, suitable for standard PCB assembly processes.

Frequently Asked Questions (FAQ)

Q: Can I use a substitute part with lower current rating than the S2D-TP?

A: Reduced current substitutes (S2D-13-F at 1.5 A, CMR1S-02 at 1 A) are suitable only for applications where the circuit does not require the full 2 A capacity. The application circuit must be verified to operate within the lower current rating. Using an undersized part in a 2 A application will result in component failure.

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

A: The S2D-TP uses standard recovery (>500 ns reverse recovery time, 2 µs typical). Fast recovery substitutes (≤500 ns, typically 25-35 ns) switch faster and generate less switching noise, beneficial in high-frequency applications. Standard recovery parts (S2D from Diotec) maintain the original switching characteristics if required by the application.

Q: Are all substitute parts pin-compatible with the S2D-TP?

A: Yes. All listed substitute parts use the DO-214AA (SMB) package with identical pin configuration and footprint. Surface mount placement and reflow parameters remain unchanged.

Q: Which substitute offers the best forward voltage performance?

A: ES2D-13-F provides the lowest forward voltage at 0.92 V @ 2 A, compared to the S2D-TP at 1.15 V @ 2 A. This reduces power dissipation by approximately 0.23 V per diode. STTH2R02U offers 1.0 V @ 2 A as an alternative.

Q: Can I use parts with extended temperature ranges?

A: Yes. ESH2D-E3/5BT and STTH2R02U both extend the maximum junction temperature to 175°C (vs. 150°C for S2D-TP). These are suitable for applications requiring higher temperature operation. Verify that the application circuit design supports the extended range.

Q: What is the difference between Tape & Reel and Cut Tape packaging?

A: Tape & Reel (TR) packaging is supplied on continuous carrier tape for automated pick-and-place assembly. Cut Tape (CT) & Digi-Reel packaging is supplied in smaller quantities on cut tape segments. Both are surface mount compatible. Selection depends on production volume and assembly equipment capability.

Q: Which substitute has the lowest reverse leakage current?

A: ESH2D-E3/5BT provides the lowest reverse leakage at 2 µA @ 200 V, compared to 10 µA for the S2D-TP. This reduces standby power consumption in battery-powered or low-power applications.

Q: Are all substitutes RoHS3 compliant?

A: Yes. All listed substitute parts are RoHS3 compliant and REACH compliant, meeting the same environmental and regulatory requirements as the S2D-TP.

Q: What is the recommended substitute for direct replacement in existing designs?

A: ES2D-E3/5BT or ES2D-13-F are recommended for direct replacement. Both maintain 200 V / 2 A ratings, offer improved fast recovery performance, lower forward voltage, and active product status with high inventory availability. ES2D-13-F provides the lowest forward voltage (0.92 V) for reduced power dissipation.

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