MBRS3100T3H Equivalent & Substitute Parts

Part Overview

The MBRS3100T3H is a Schottky rectifier diode manufactured by onsemi, rated for 100 V DC reverse voltage and 3 A average rectified current in a surface mount SMC (DO-214AB) package. This component is classified as obsolete, necessitating identification of equivalent and substitute parts for ongoing design requirements and procurement needs. Active alternatives with identical or compatible electrical and mechanical specifications are available from multiple manufacturers.

Substiute Parts

MBRS3100T3H

onsemiIn Stock: 1079MBRS3100T3H Datasheet

Current PartRFQ

MBRS3100T3G

onsemiIn Stock: 46856MBRS3100T3G Datasheet

DirectRFQ

SK810L-TP

Micro Commercial CoIn Stock: 1368SK810L-TP Datasheet

SimilarRFQ

SS3H10-E3/57T

Vishay General Semiconductor - Diodes DivisionIn Stock: 71989SS3H10-E3/57T Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the MBRS3100T3H is determined by the following critical parameters:

Primary Substitution Criteria:

• Voltage - DC Reverse (Vr) (Max): 100 V minimum
• Current - Average Rectified (Io): 3 A minimum
• Technology: Schottky
• Package / Case: DO-214AB, SMC
• Mounting Type: Surface Mount
• Operating Temperature Range: Must encompass or match -65°C to 175°C

Substitution Categories:

Direct Equivalent: Parts with identical voltage, current, and temperature ratings. The MBRS3100T3G from onsemi qualifies as a direct equivalent with active product status.

Compatible Substitute: Parts with equal or superior voltage and current ratings, identical package and mounting specifications, and compatible temperature operating ranges. The SS3H10-E3/57T from Vishay meets these criteria with matching 100 V, 3 A specifications.

Higher Current Rated Substitute: Parts exceeding the 3 A current requirement while maintaining 100 V voltage rating and SMC package compatibility. The SK810L-TP from Micro Commercial Co provides 8 A capability, suitable for applications requiring current margin or future design flexibility.

Parameter Comparison

Engineering Selection Recommendations

MBRS3100T3G (onsemi): This part is the primary direct equivalent for the obsolete MBRS3100T3H. Both components share identical voltage and current ratings, package specifications, and operating temperature range. The MBRS3100T3G maintains active product status with established supply chain availability. Forward voltage is improved at 790 mV @ 3 A compared to the original specification. MSL rating of 1 (Unlimited) provides superior moisture handling characteristics. This part is recommended for direct replacement in existing designs.

SS3H10-E3/57T (Vishay General Semiconductor - Diodes Division): This part provides full electrical and mechanical compatibility with matching 100 V, 3 A specifications and identical operating temperature range. Forward voltage of 800 mV @ 3 A is within acceptable parameters. Reverse leakage current of 20 µA @ 100 V is superior to the original 50 µA specification. Active product status and MSL 1 rating ensure supply continuity and handling reliability. This part is suitable for applications requiring cross-manufacturer qualification.

SK810L-TP (Micro Commercial Co): This part provides 100 V voltage rating with elevated 8 A current capability in the same SMC package. Operating temperature range of -55°C to 150°C is narrower than the original specification, limiting applicability to designs not requiring the full -65°C lower temperature bound. Higher reverse leakage current of 1 mA @ 100 V represents a significant departure from the original specification. This part is applicable only to designs where the reduced temperature range and elevated leakage current are acceptable and where the additional current capacity provides functional benefit.

Frequently Asked Questions (FAQ)

Q: Can MBRS3100T3G be used as a direct replacement for MBRS3100T3H?

A: Yes. Both parts share identical voltage (100 V), current (3 A), package (DO-214AB, SMC), and operating temperature range (-65°C to 175°C) specifications. The MBRS3100T3G is manufactured by the same supplier (onsemi) and maintains active product status, making it the primary direct replacement for the obsolete MBRS3100T3H.

Q: What is the difference between MBRS3100T3G and SS3H10-E3/57T?

A: Both parts meet the electrical and mechanical requirements of the MBRS3100T3H with 100 V, 3 A ratings and DO-214AB SMC packaging. The primary differences are manufacturer (onsemi versus Vishay) and reverse leakage current (50 µA versus 20 µA @ 100 V). Forward voltage specifications differ slightly (790 mV @ 3 A versus 800 mV @ 3 A). Selection between these parts depends on manufacturer qualification requirements and acceptable leakage current parameters for the application.

Q: Why is SK810L-TP listed as a substitute if it has different specifications?

A: SK810L-TP maintains the critical 100 V voltage rating and DO-214AB SMC package compatibility required for mechanical and electrical interface compatibility. The 8 A current rating exceeds the 3 A requirement, providing current margin for applications where additional capacity is beneficial. However, the narrower operating temperature range (-55°C to 150°C versus -65°C to 175°C) and higher reverse leakage current (1 mA versus 50 µA @ 100 V) represent significant departures from the original specification. This part is suitable only for applications where these parameter differences are acceptable.

Q: Are all substitute parts RoHS3 compliant?

A: Yes. All listed substitute parts (MBRS3100T3G, SS3H10-E3/57T, and SK810L-TP) maintain ROHS3 Compliant status, matching the original MBRS3100T3H specification. All parts are also REACH Unaffected.

Q: What is the significance of MSL (Moisture Sensitivity Level) rating?

A: The original MBRS3100T3H has a Vendor Undefined MSL rating. All substitute parts carry MSL 1 (Unlimited) rating, indicating superior moisture handling characteristics and reduced risk of moisture-induced failures during storage and assembly processes. This represents an improvement over the original specification.

Q: Can these parts be used interchangeably in all applications?

A: Direct interchange is limited to applications where the specific electrical parameters of each substitute part are acceptable. MBRS3100T3G and SS3H10-E3/57T are fully interchangeable for applications requiring 100 V, 3 A specifications with -65°C to 175°C operating range. SK810L-TP requires application-specific evaluation due to narrower temperature range and elevated reverse leakage current, despite its higher current rating.

Q: What packaging options are available for these substitute parts?

A: All substitute parts are available in Cut Tape (CT) and Digi-Reel® packaging formats, providing flexibility for both manual and automated assembly processes. The physical package remains DO-214AB, SMC across all alternatives, ensuring mechanical compatibility with existing PCB layouts and assembly equipment.