STB10100 Equivalent & Substitute Parts

Part Overview

The STB10100 is an active Schottky diode rectifier manufactured by SMC Diode Solutions, rated for 100 V DC reverse voltage with surface mount D2PAK packaging. This component is designed for fast recovery applications requiring switching speeds of 500 nanoseconds or less at currents exceeding 200 milliamperes. The part is RoHS3 compliant with unlimited moisture sensitivity level (MSL 1) and is currently in active production status with 1372 pieces available in inventory.

Equivalent and substitute parts are identified to provide design flexibility for procurement, inventory management, and supply chain continuity. Substitutes must maintain electrical compatibility across voltage ratings, current handling, package form factor, and thermal operating ranges.

Substiute Parts

STB10100

SMC Diode SolutionsIn Stock: 1396STB10100 Datasheet

Current PartRFQ

MBRB10100-E3/4W

Vishay General Semiconductor - Diodes DivisionIn Stock: 1146MBRB10100-E3/4W Datasheet

SimilarRFQ

STPS8H100G-TR

STMicroelectronicsIn Stock: 7061STPS8H100G-TR Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the STB10100 are qualified based on the following electrical and mechanical compatibility criteria:

Mandatory Matching Parameters:

• Voltage - DC Reverse (Vr) Maximum: 100 V
• Package / Case: TO-263-3, D2PAK (2 Leads + Tab), TO-263AB
• Mounting Type: Surface Mount
• Technology: Schottky
• Speed: Fast Recovery ≤ 500 ns, > 200 mA (Io)
• RoHS Status: ROHS3 Compliant
• Moisture Sensitivity Level: 1 (Unlimited)

Allowable Parameter Variations:

• Voltage - Forward (Vf) Maximum @ If: Substitutes may vary within the range of 710 mV to 800 mV at their respective rated currents
• Current - Reverse Leakage @ Vr: Substitutes may have lower leakage current values (4.5 µA to 300 µA @ 100 V)
• Operating Temperature - Junction: Substitutes may extend the maximum operating temperature to 175°C
• Current - Average Rectified (Io): Substitutes rated at 8 A or 10 A are acceptable for applications not requiring the unspecified current rating of the STB10100

The two qualified substitutes, MBRB10100-E3/4W and STPS8H100G-TR, meet all mandatory parameters while offering improved or equivalent performance characteristics in secondary parameters.

Parameter Comparison

Engineering Selection Recommendations

All three diodes—STB10100, MBRB10100-E3/4W, and STPS8H100G-TR—are active products with RoHS3 compliance and unlimited moisture sensitivity rating, making them suitable for current production designs and long-term supply chain planning.

STB10100 (Primary Part): Select when SMC Diode Solutions supply chain is preferred or when the unspecified current rating is adequate for the application. Current inventory of 1372 pieces supports immediate procurement.

MBRB10100-E3/4W (Vishay Substitute): Select when a 10 A rated current capacity is required and lower reverse leakage current (100 µA versus 300 µA) is beneficial for low-power standby applications. The TMBS® series designation indicates optimized performance for this voltage class. Inventory of 1102 pieces is available. Operating temperature range extends to -65°C, providing enhanced cold-temperature performance.

STPS8H100G-TR (STMicroelectronics Substitute): Select when an 8 A rated current capacity is sufficient and the lowest reverse leakage current (4.5 µA) is required for ultra-low standby power consumption. Maximum junction temperature extends to 175°C, supporting higher thermal operating environments. Highest inventory availability at 7000 pieces enables rapid procurement and supply security.

All three parts are electrically interchangeable within their specified current ratings and thermal operating ranges. Selection should be based on application current requirements, thermal environment, and supply chain availability.

Frequently Asked Questions (FAQ)

Q: Can MBRB10100-E3/4W replace STB10100 in all applications?

A: Yes, within the constraints of application current requirements. MBRB10100-E3/4W is rated for 10 A average rectified current and maintains identical 100 V reverse voltage rating, fast recovery speed, D2PAK package, and RoHS3 compliance. The forward voltage is 50 mV higher (800 mV versus 750 mV at 10 A), and reverse leakage is lower (100 µA versus 300 µA). These differences are acceptable for standard rectification applications.

Q: What is the primary difference between STPS8H100G-TR and the other two substitutes?

A: STPS8H100G-TR is rated for 8 A average rectified current, compared to 10 A for MBRB10100-E3/4W. It offers the lowest reverse leakage current at 4.5 µA and the highest maximum junction temperature at 175°C. Forward voltage is 710 mV at 8 A, which is lower than both alternatives. Select STPS8H100G-TR when current requirements do not exceed 8 A and ultra-low leakage or extended thermal operation is needed.

Q: Are all three parts in the same package?

A: Yes. All three diodes use TO-263-3 D2PAK (2 Leads + Tab) surface mount packaging, ensuring identical PCB footprint and assembly compatibility. Packaging differences are limited to supplier delivery format: STB10100 is supplied in Tape & Reel, MBRB10100-E3/4W in Tube, and STPS8H100G-TR in Cut Tape & Digi-Reel.

Q: What is the significance of the fast recovery speed specification?

A: All three parts specify fast recovery time of 500 nanoseconds or less at currents exceeding 200 milliamperes. This parameter ensures switching performance suitable for high-frequency rectification, power factor correction, and synchronous rectification applications. The specification is identical across all three parts.

Q: Do all substitutes meet RoHS3 compliance?

A: Yes. STB10100, MBRB10100-E3/4W, and STPS8H100G-TR are all RoHS3 compliant with unlimited moisture sensitivity level (MSL 1), meeting environmental and reliability requirements for commercial and industrial applications.

Q: Which substitute offers the best reverse leakage performance?

A: STPS8H100G-TR provides the lowest reverse leakage current at 4.5 µA @ 100 V, compared to 100 µA for MBRB10100-E3/4W and 300 µA for STB10100. Lower reverse leakage reduces standby power consumption and is advantageous in battery-powered or low-power standby applications.

Q: Can I use STPS8H100G-TR if my application requires 10 A current?

A: No. STPS8H100G-TR is rated for 8 A average rectified current. Using it in a 10 A application would exceed its current rating and compromise reliability. Use MBRB10100-E3/4W or verify that STB10100 supports 10 A operation before substitution.

Q: What is the operating temperature range for each part?

A: STB10100 operates from -55°C to 150°C junction temperature. MBRB10100-E3/4W extends the lower limit to -65°C while maintaining 150°C maximum. STPS8H100G-TR maintains -55°C minimum but extends maximum to 175°C. Select based on thermal environment requirements.