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SD125SC200B.T2 Equivalent & Substitute Parts
Part Overview
The SD125SC200B.T2 is a Schottky rectifier diode manufactured by SMC Diode Solutions, designed for surface mount applications requiring 200V reverse voltage rating and 15A average rectified current capacity. This die-form component operates across a junction temperature range of -55°C to 200°C and is classified as Active product status. Identifying equivalent and substitute parts is necessary to ensure design flexibility, manage supply chain continuity, and maintain performance specifications across production batches and procurement cycles.
Substiute Parts
Key Parameters
| Parameter | Value | Unit |
|---|---|---|
| Voltage - DC Reverse (Vr) (Max) | 200 | V |
| Current - Average Rectified (Io) | 15 | A |
| Voltage - Forward (Vf) (Max) @ If | 920 mV @ 15 A | mV |
| Speed | Fast Recovery ≤ 500ns, > 200mA (Io) | ns |
| Current - Reverse Leakage @ Vr | 350 | µA @ 200 V |
| Capacitance @ Vr, F | 300 | pF @ 5V, 1MHz |
| Operating Temperature - Junction | -55 to 200 | °C |
| Technology | Schottky | — |
| Mounting Type | Surface Mount | — |
| Package / Case | Die | — |
Substitute Part Grouping Explanation
Substitution of the SD125SC200B.T2 is determined by strict equivalence across the following critical parameters:
- Voltage Rating: Reverse voltage (Vr) must equal 200V maximum
- Current Rating: Average rectified current (Io) must equal 15A
- Forward Voltage Drop: Forward voltage (Vf) must equal 920 mV at 15A
- Recovery Speed: Fast recovery characteristic ≤ 500ns at > 200mA
- Reverse Leakage: Current leakage must equal 350 µA at 200V
- Capacitance: Junction capacitance must equal 300 pF at 5V, 1MHz
- Temperature Range: Operating junction temperature range must span -55°C to 200°C
- Technology: Schottky diode technology
- Mounting: Surface mount die configuration
- Compliance: RoHS3 compliance and REACH affected status
The substitute part SD125SC200B.T meets all these criteria and is therefore a parametric equivalent.
Parameter Comparison
| Parameter | SD125SC200B.T2 (Main) | SD125SC200B.T (Substitute) | Match |
|---|---|---|---|
| Manufacturer | SMC Diode Solutions | SMC Diode Solutions | Yes |
| Category | Diodes, Rectifiers | Diodes, Rectifiers | Yes |
| Technology | Schottky | Schottky | Yes |
| Voltage - DC Reverse (Vr) (Max) | 200 V | 200 V | Yes |
| Current - Average Rectified (Io) | 15 A | 15 A | Yes |
| Voltage - Forward (Vf) (Max) @ If | 920 mV @ 15 A | 920 mV @ 15 A | Yes |
| Speed | Fast Recovery ≤ 500ns, > 200mA (Io) | Fast Recovery ≤ 500ns, > 200mA (Io) | Yes |
| Current - Reverse Leakage @ Vr | 350 µA @ 200 V | 350 µA @ 200 V | Yes |
| Capacitance @ Vr, F | 300 pF @ 5V, 1MHz | 300 pF @ 5V, 1MHz | Yes |
| Mounting Type | Surface Mount | Surface Mount | Yes |
| Package / Case | Die | Die | Yes |
| Operating Temperature - Junction | -55°C ~ 200°C | -55°C ~ 200°C | Yes |
| Product Status | Active | Active | Yes |
| RoHS Status | ROHS3 Compliant | ROHS3 Compliant | Yes |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) | 1 (Unlimited) | Yes |
| REACH Status | REACH Affected | REACH Affected | Yes |
Engineering Selection Recommendations
The SD125SC200B.T is a direct parametric equivalent to the SD125SC200B.T2. Both parts are manufactured by SMC Diode Solutions, carry Active product status, and maintain identical electrical and thermal specifications. Both components are RoHS3 compliant and REACH affected, ensuring regulatory alignment for applications requiring environmental compliance certification.
Selection between these parts may be based on inventory availability and procurement lead times. The SD125SC200B.T2 currently maintains 752 pieces in stock, while the SD125SC200B.T maintains 962 pieces in stock. Both parts are supplied in tray packaging and are suitable for direct substitution in surface mount die applications requiring 200V/15A Schottky rectification.
Frequently Asked Questions (FAQ)
Q: Can SD125SC200B.T replace SD125SC200B.T2 in existing designs?
A: Yes. The SD125SC200B.T is a parametric equivalent with identical electrical characteristics, thermal range, and compliance certifications. Direct substitution is supported without design modification.
Q: Are there differences in the die package between these parts?
A: No. Both parts are supplied as surface mount die with identical package specifications and mounting requirements.
Q: What is the difference between SD125SC200B.T2 and SD125SC200B.T?
A: The parts differ only in packaging designation suffix. All electrical parameters, thermal specifications, and compliance certifications are identical.
Q: Are both parts RoHS3 compliant?
A: Yes. Both SD125SC200B.T2 and SD125SC200B.T are RoHS3 compliant and REACH affected.
Q: What is the moisture sensitivity level for these diodes?
A: Both parts carry MSL 1 (Unlimited), indicating no moisture sensitivity restrictions for storage and handling.
Q: Can these parts be used interchangeably in high-temperature applications?
A: Yes. Both parts operate across the identical junction temperature range of -55°C to 200°C and maintain specified electrical characteristics throughout this range.
Q: What is the reverse leakage current specification?
A: Both parts specify 350 µA reverse leakage current at the maximum rated reverse voltage of 200V.
Q: Are there any supply chain considerations when selecting between these parts?
A: Inventory levels differ between the two parts. SD125SC200B.T currently has higher stock availability (962 pieces) compared to SD125SC200B.T2 (752 pieces). Selection may depend on procurement timeline requirements.
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