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MBRB10100CT Equivalent & Substitute Parts Reference
Part Overview
The MBRB10100CT is a Schottky diode array manufactured by Littelfuse Inc., configured as 1 pair common cathode with 100 V reverse voltage rating and 5 A average rectified current per diode. The device is packaged in TO-263-3 (D2PAK) surface mount configuration and is classified as Active product status. This component is widely used in power conversion, rectification, and switching applications requiring fast recovery characteristics and low forward voltage drop.
Substitute parts are necessary to address supply chain availability, packaging format requirements, current rating specifications, and manufacturer-specific certifications such as AEC-Q101 automotive qualification.
Substiute Parts
Key Parameters
| Parameter | Value | Unit |
|---|---|---|
| Manufacturer Part Number | MBRB10100CT | — |
| Manufacturer | Littelfuse Inc. | — |
| Category | Diodes, Rectifiers | — |
| Diode Configuration | 1 Pair Common Cathode | — |
| Technology | Schottky | — |
| Voltage - DC Reverse (Vr) (Max) | 100 | V |
| Current - Average Rectified (Io) (per Diode) | 5 | A |
| Voltage - Forward (Vf) (Max) @ If | 850 mV @ 5 A | — |
| Speed | Fast Recovery ≤ 500ns, > 200mA (Io) | — |
| Current - Reverse Leakage @ Vr | 1 | mA @ 100 V |
| Operating Temperature - Junction | -55 to 150 | °C |
| Mounting Type | Surface Mount | — |
| Package / Case | TO-263-3, D2PAK (2 Leads + Tab), TO-263AB | — |
| RoHS Status | ROHS3 Compliant | — |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) | — |
| Product Status | Active | — |
Substitute Part Grouping Explanation
Substitution of the MBRB10100CT is determined by the following critical parameters:
Mandatory Matching Parameters:
- Diode Configuration: 1 Pair Common Cathode
- Technology: Schottky
- Voltage - DC Reverse (Vr) (Max): 100 V
- Mounting Type: Surface Mount
- Package / Case: TO-263-3, D2PAK (2 Leads + Tab), TO-263AB
- Speed: Fast Recovery ≤ 500ns, > 200mA (Io)
Allowable Variation Parameters:
- Current - Average Rectified (Io) (per Diode): Equal to or greater than 5 A
- Voltage - Forward (Vf) (Max) @ If: Within acceptable operating range for the application
- Current - Reverse Leakage @ Vr: Lower values indicate superior performance
- Operating Temperature - Junction: Equal to or greater than the specified range
- RoHS Status: ROHS3 Compliant
- Moisture Sensitivity Level (MSL): 1 (Unlimited)
Substitute parts are grouped into three categories based on current rating:
Category 1: 5 A Rated Current (Direct Equivalents) Parts with 5 A current rating matching the original specification exactly.
Category 2: 10 A Rated Current (Higher Current Capability) Parts with 10 A current rating, providing increased current handling capacity while maintaining all other critical parameters.
Category 3: 16 A and Above (Enhanced Performance) Parts with 16 A, 20 A, or 30 A current ratings, suitable for applications requiring higher current capacity.
Parameter Comparison
| Manufacturer Part Number | Manufacturer | Io (A) | Vf (Max) @ If | Vr (Max) (V) | Tj (°C) | Reverse Leakage @ Vr | Packaging | AEC-Q101 |
|---|---|---|---|---|---|---|---|---|
| MBRB10100CT | Littelfuse Inc. | 5 | 850 mV @ 5 A | 100 | -55 to 150 | 1 mA @ 100 V | Cut Tape (CT) & Digi-Reel® | — |
| CSHDD16-100C TR13 PBFREE | Central Semiconductor Corp | 16 | 1.1 V @ 16 A | 100 | -65 to 175 | 50 µA @ 100 V | Tape & Reel (TR) | — |
| MBRB10100CT | SMC Diode Solutions | 5 | 850 mV @ 5 A | 100 | -55 to 150 | 1 mA @ 100 V | Cut Tape (CT) & Digi-Reel® | — |
| MBRB10100CT-13 | Diodes Incorporated | 5 | 840 mV @ 5 A | 100 | -55 to 175 | 100 µA @ 100 V | Cut Tape (CT) & Digi-Reel® | Yes |
| MBRB10100CT-TP | Micro Commercial Co | 10 | 850 mV @ 5 A | 100 | -50 to 150 | 100 µA @ 100 V | Tape & Reel (TR) | — |
| MBRB20100CT-13 | Diodes Incorporated | 10 | 840 mV @ 10 A | 100 | -55 to 175 | 100 µA @ 100 V | Tape & Reel (TR) | Yes |
| MBRB20100CT-E3/4W | Vishay General Semiconductor - Diodes Division | 10 | 800 mV @ 10 A | 100 | -65 to 150 | 100 µA @ 100 V | Tube | — |
| MBRB20100CT-E3/8W | Vishay General Semiconductor - Diodes Division | 10 | 800 mV @ 10 A | 100 | -65 to 150 | 100 µA @ 100 V | Tape & Reel (TR) | — |
| MBRB20100CT-TP | Micro Commercial Co | 20 | 850 mV @ 10 A | 100 | -55 to 150 | 150 µA @ 100 V | Tape & Reel (TR) | — |
| MBRS20100CTH | Taiwan Semiconductor Corporation | 20 | 950 mV @ 20 A | 100 | -55 to 150 | 100 µA @ 100 V | Tape & Reel (TR) | Yes |
| NRVBB60H100CTT4G | onsemi | 30 | 840 mV @ 30 A | 100 | -55 to 175 | 10 µA @ 100 V | Tape & Reel (TR) | Yes |
Engineering Selection Recommendations
Direct Equivalent (Same Current Rating):
MBRB10100CT-13 (Diodes Incorporated) is a direct equivalent with identical 5 A current rating. This part includes AEC-Q101 automotive qualification, making it suitable for automotive applications. The forward voltage is marginally lower (840 mV vs. 850 mV), and the operating temperature range extends to 175°C. This part is recommended when automotive-grade certification is required.
Higher Current Capacity (10 A Rating):
MBRB10100CT-TP (Micro Commercial Co) and MBRB20100CT-13 (Diodes Incorporated) both provide 10 A current rating. MBRB20100CT-13 includes AEC-Q101 qualification and extended temperature range to 175°C. These parts are suitable for applications requiring increased current handling while maintaining the same voltage and package specifications.
Enhanced Performance (20 A and 30 A Ratings):
MBRB20100CT-TP (Micro Commercial Co) and MBRS20100CTH (Taiwan Semiconductor Corporation) provide 20 A current rating. MBRS20100CTH includes AEC-Q101 qualification. NRVBB60H100CTT4G (onsemi) provides the highest current rating at 30 A with AEC-Q101 qualification and the lowest reverse leakage (10 µA). These parts are selected when applications demand significantly higher current capacity.
Packaging Considerations:
- Cut Tape (CT) & Digi-Reel® packaging is suitable for automated assembly lines with moderate volume requirements.
- Tape & Reel (TR) packaging is standard for high-volume production environments.
- Tube packaging (Vishay parts) is used for lower-volume or manual assembly applications.
Compliance and Certification:
All substitute parts maintain ROHS3 compliance and MSL 1 (Unlimited) moisture sensitivity rating. Parts designated with AEC-Q101 qualification (MBRB10100CT-13, MBRB20100CT-13, MBRS20100CTH, NRVBB60H100CTT4G) are suitable for automotive applications requiring formal qualification documentation.
Frequently Asked Questions (FAQ)
Q1: Can MBRB10100CT-TP (10 A) be used as a direct replacement for MBRB10100CT (5 A)?
A: Yes. MBRB10100CT-TP is a valid substitute with identical voltage rating (100 V), package (TO-263-3 D2PAK), and configuration (1 Pair Common Cathode). The 10 A current rating exceeds the 5 A requirement, providing additional current capacity. Forward voltage characteristics remain compatible at 850 mV @ 5 A. No circuit modifications are required.
Q2: What is the difference between MBRB20100CT-E3/4W and MBRB20100CT-E3/8W?
A: Both parts are identical in electrical specifications (10 A current rating, 100 V reverse voltage, 800 mV forward voltage). The difference is packaging format: MBRB20100CT-E3/4W is supplied in Tube packaging, while MBRB20100CT-E3/8W is supplied in Tape & Reel (TR) packaging. Selection depends on assembly process requirements.
Q3: Is NRVBB60H100CTT4G (30 A) suitable for a 5 A application?
A: Yes. NRVBB60H100CTT4G is a valid substitute with matching voltage rating (100 V), package (TO-263-3 D2PAK), and configuration (1 Pair Common Cathode). The 30 A current rating far exceeds the 5 A requirement. The part offers superior performance with lower reverse leakage (10 µA vs. 1 mA) and AEC-Q101 automotive qualification. No circuit modifications are required.
Q4: Why do some substitute parts have lower forward voltage (800 mV vs. 850 mV)?
A: Forward voltage variation within the specified range reflects manufacturing process differences between suppliers and technology improvements. Lower forward voltage (800 mV) indicates improved efficiency and reduced power dissipation. Both values are within acceptable operating parameters and do not require circuit redesign.
Q5: What does AEC-Q101 qualification mean?
A: AEC-Q101 is an automotive electronics qualification standard. Parts bearing this certification have undergone rigorous testing for reliability, temperature cycling, and performance consistency. AEC-Q101 qualification is required for automotive applications and recommended for mission-critical industrial applications.
Q6: Can I substitute CSHDD16-100C (16 A) for MBRB10100CT (5 A)?
A: Yes. CSHDD16-100C is a valid substitute with matching voltage rating (100 V), package (TO-263-3 D2PAK), and configuration (1 Pair Common Cathode). The 16 A current rating exceeds the 5 A requirement. Forward voltage is higher (1.1 V @ 16 A), but this does not prevent substitution. The part offers extended temperature range (-65°C to 175°C) and lower reverse leakage (50 µA). No circuit modifications are required.
Q7: What is the significance of reverse leakage current variation?
A: Reverse leakage current indicates the small current flowing through the diode when reverse biased. Lower reverse leakage (10 µA in NRVBB60H100CTT4G vs. 1 mA in MBRB10100CT) indicates superior diode quality and reduced power loss in standby conditions. Higher leakage does not prevent substitution but may increase power consumption in applications with extended reverse bias periods.
Q8: Are all substitute parts RoHS3 compliant?
A: Yes. All substitute parts listed maintain ROHS3 compliance and MSL 1 (Unlimited) moisture sensitivity rating, matching the original MBRB10100CT specifications.
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