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SS33-M3/57T Equivalent & Substitute Parts
Part Overview
The SS33-M3/57T is a Schottky rectifier diode manufactured by Vishay General Semiconductor - Diodes Division, rated for 30 V DC reverse voltage and 3 A average rectified current in a surface mount DO-214AB (SMC) package. This component is classified as Active and is ROHS3 compliant. Substitute parts are identified when equivalent electrical performance and mechanical compatibility are required due to inventory constraints, supply chain considerations, or design flexibility needs.
Substiute Parts
Key Parameters
| Parameter | Value | Unit |
|---|---|---|
| Technology | Schottky | — |
| Voltage - DC Reverse (Vr) (Max) | 30 | V |
| Current - Average Rectified (Io) | 3 | A |
| Voltage - Forward (Vf) (Max) @ If | 500 mV @ 3 A | — |
| Speed | Fast Recovery ≤ 500ns, > 200mA (Io) | — |
| Current - Reverse Leakage @ Vr | 500 | µA @ 30 V |
| Package / Case | DO-214AB, SMC | — |
| Mounting Type | Surface Mount | — |
| Operating Temperature - Junction | -55 to 125 | °C |
| RoHS Status | ROHS3 Compliant | — |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) | — |
Substitute Part Grouping Explanation
Substitute parts for the SS33-M3/57T are qualified based on the following electrical and mechanical parameters:
Electrical Equivalence Criteria:
- Voltage - DC Reverse (Vr) (Max): 30 V
- Current - Average Rectified (Io): 3 A
- Voltage - Forward (Vf) (Max) @ If: 500 mV @ 3 A
- Speed: Fast Recovery ≤ 500ns, > 200mA (Io)
- Operating Temperature - Junction: -55°C to 125°C
Mechanical Compatibility Criteria:
- Package / Case: DO-214AB, SMC
- Mounting Type: Surface Mount
Compliance Criteria:
- RoHS Status: ROHS3 Compliant
- Moisture Sensitivity Level (MSL): 1 (Unlimited)
All substitute parts listed meet these criteria and are classified as Active products. Variations in packaging format (Tape & Reel versus Cut Tape & Digi-Reel®) and reverse leakage current specifications do not disqualify substitution when electrical and mechanical parameters remain equivalent.
Parameter Comparison
| Parameter | SS33-M3/57T (Vishay) | SS33-E3/57T (Vishay) | SS33-E3/9AT (Vishay) | B330-13-F (Diodes Inc.) | SK33_R1_00001 (Panjit) |
|---|---|---|---|---|---|
| Manufacturer | Vishay General Semiconductor | Vishay General Semiconductor | Vishay General Semiconductor | Diodes Incorporated | Panjit International Inc. |
| Technology | Schottky | Schottky | Schottky | Schottky | Schottky |
| Voltage - DC Reverse (Vr) (Max) | 30 V | 30 V | 30 V | 30 V | 30 V |
| Current - Average Rectified (Io) | 3 A | 3 A | 3 A | 3 A | 3 A |
| Voltage - Forward (Vf) (Max) @ If | 500 mV @ 3 A | 500 mV @ 3 A | 500 mV @ 3 A | 500 mV @ 3 A | 500 mV @ 3 A |
| Speed | Fast Recovery ≤ 500ns, > 200mA | Fast Recovery ≤ 500ns, > 200mA | Fast Recovery ≤ 500ns, > 200mA | Fast Recovery ≤ 500ns, > 200mA | Fast Recovery ≤ 500ns, > 200mA |
| Current - Reverse Leakage @ Vr | 500 µA @ 30 V | 500 µA @ 30 V | 500 µA @ 30 V | 500 µA @ 30 V | 200 µA @ 30 V |
| Package / Case | DO-214AB, SMC | DO-214AB, SMC | DO-214AB, SMC | DO-214AB, SMC | DO-214AB, SMC |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
| Operating Temperature - Junction | -55 to 125°C | -55 to 125°C | -55 to 125°C | -55 to 125°C | -55 to 125°C |
| RoHS Status | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) | 1 (Unlimited) | 1 (Unlimited) | 1 (Unlimited) | 1 (Unlimited) |
| Product Status | Active | Active | Active | Active | Active |
Engineering Selection Recommendations
All listed substitute parts are qualified for direct replacement of the SS33-M3/57T based on electrical and mechanical parameter equivalence. Selection among available substitutes may be determined by the following factors:
Vishay General Semiconductor Parts (SS33-E3/57T, SS33-E3/9AT): These parts maintain identical electrical specifications and are manufactured by the same supplier as the primary part. Differences exist only in packaging format: SS33-E3/57T is supplied in Cut Tape & Digi-Reel® format, while SS33-E3/9AT is supplied in Tape & Reel format. Both are Active products with ROHS3 compliance and MSL 1 rating.
Diodes Incorporated Part (B330-13-F): This part meets all electrical and mechanical requirements with identical voltage, current, and temperature specifications. The B330-13-F is supplied in Cut Tape & Digi-Reel® format and is an Active product with ROHS3 compliance and MSL 1 rating. Capacitance specification is provided (200 pF @ 4V, 1MHz), which is not specified for the primary part.
Panjit International Inc. Part (SK33_R1_00001): This part meets all electrical and mechanical requirements. The reverse leakage current specification is 200 µA @ 30 V, which is lower than the primary part specification of 500 µA @ 30 V. This represents improved performance in reverse leakage characteristics. The SK33_R1_00001 is supplied in Tape & Reel format and is an Active product with ROHS3 compliance and MSL 1 rating.
All substitute parts carry identical REACH and ECCN classifications (REACH Unaffected, EAR99) and are suitable for applications requiring ROHS3 compliance.
Frequently Asked Questions (FAQ)
Q: Can SS33-E3/57T replace SS33-M3/57T directly?
A: Yes. The SS33-E3/57T is a parametric equivalent with identical electrical specifications (30 V, 3 A, 500 mV forward voltage, fast recovery ≤ 500ns). Both use the DO-214AB (SMC) surface mount package. The difference is packaging format: SS33-M3/57T is supplied in Tape & Reel, while SS33-E3/57T is supplied in Cut Tape & Digi-Reel®. Both are ROHS3 compliant with MSL 1 rating.
Q: What is the difference between SS33-E3/9AT and SS33-E3/57T?
A: Both parts are Vishay Schottky diodes with identical electrical parameters (30 V, 3 A, 500 mV forward voltage, fast recovery ≤ 500ns) and the same DO-214AB (SMC) package. The difference is packaging format: SS33-E3/9AT is supplied in Tape & Reel format, while SS33-E3/57T is supplied in Cut Tape & Digi-Reel® format. Electrical performance is equivalent.
Q: Is the B330-13-F from Diodes Incorporated compatible with the SS33-M3/57T?
A: Yes. The B330-13-F meets all electrical and mechanical requirements: 30 V reverse voltage, 3 A average rectified current, 500 mV forward voltage at 3 A, fast recovery ≤ 500ns, and DO-214AB (SMC) surface mount package. Operating temperature range is -55°C to 125°C. Both are ROHS3 compliant with MSL 1 rating.
Q: How does the SK33_R1_00001 from Panjit differ from the primary part?
A: The SK33_R1_00001 is electrically equivalent in all critical parameters: 30 V reverse voltage, 3 A average rectified current, 500 mV forward voltage at 3 A, fast recovery ≤ 500ns, and DO-214AB (SMC) surface mount package. The reverse leakage current specification is 200 µA @ 30 V, compared to 500 µA @ 30 V for the primary part, indicating lower reverse leakage. Both are ROHS3 compliant with MSL 1 rating.
Q: Are all substitute parts available in the same package?
A: All substitute parts use the DO-214AB (SMC) surface mount package, ensuring mechanical compatibility. Packaging formats (Tape & Reel, Cut Tape & Digi-Reel®) differ among suppliers but do not affect electrical performance or PCB assembly compatibility.
Q: Do all substitute parts meet the same compliance standards?
A: Yes. All listed substitute parts are ROHS3 compliant, have MSL 1 (Unlimited) moisture sensitivity rating, are classified as REACH Unaffected, and carry EAR99 ECCN classification, matching the primary part specifications.
Q: Can I use these parts interchangeably in my design?
A: Yes, within the scope of the electrical and mechanical parameters specified. All substitute parts operate across the same temperature range (-55°C to 125°C), support the same voltage and current ratings, and use identical surface mount packaging. Consult your circuit design requirements to confirm suitability.
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