SB05-05C-TB-E Equivalent & Substitute Parts

Part Overview

The SB05-05C-TB-E is an active Schottky diode manufactured by onsemi, rated for 50 V DC reverse voltage and 500 mA average rectified current in a surface mount 3-CP package. This component is designed for fast recovery applications with a reverse recovery time of 10 ns and forward voltage of 550 mV at 500 mA. The part is RoHS3 compliant and carries unlimited moisture sensitivity level (MSL 1), making it suitable for standard manufacturing environments. Equivalent and substitute parts are identified to provide design flexibility, component availability alternatives, and supply chain options while maintaining functional compatibility within specified electrical and mechanical parameters.

Substiute Parts

SB05-05C-TB-E
onsemiIn Stock: 4130SB05-05C-TB-E Datasheet
SB05-05C-TB-E
Current Part
BAT400D-7-F
Diodes IncorporatedIn Stock: 23347BAT400D-7-F Datasheet
BAT400D-7-F
Similar

Key Parameters

Parameter Value Unit
Voltage - DC Reverse (Vr) (Max) 50 V
Current - Average Rectified (Io) 500 mA
Voltage - Forward (Vf) (Max) @ If 550 mV @ 500 mA mV
Reverse Recovery Time (trr) 10 ns
Current - Reverse Leakage @ Vr 50 µA @ 25 V µA
Capacitance @ Vr, F 17 pF @ 10 V, 1 MHz pF
Package / Case TO-236-3, SC-59, SOT-23-3
Operating Temperature - Junction -55 to 125 °C
Technology Schottky
RoHS Status ROHS3 Compliant
Moisture Sensitivity Level (MSL) 1 (Unlimited)

Substitute Part Grouping Explanation

Substitution of the SB05-05C-TB-E is determined by electrical and mechanical compatibility across the following critical parameters:

Electrical Compatibility Criteria:

  • Voltage - DC Reverse (Vr) rating must equal or exceed the main part specification (50 V minimum)
  • Current - Average Rectified (Io) must equal or exceed 500 mA
  • Voltage - Forward (Vf) at rated current must not exceed the main part specification (550 mV @ 500 mA maximum)
  • Reverse Recovery Time (trr) must support fast recovery applications (≤ 500 ns)
  • Current - Reverse Leakage must remain within acceptable limits for the application

Mechanical Compatibility Criteria:

  • Package / Case must be compatible with TO-236-3, SC-59, or SOT-23-3 footprints
  • Mounting Type must be Surface Mount
  • Operating Temperature range must encompass the application requirements

Compliance Criteria:

  • RoHS3 compliance required
  • MSL rating of 1 (Unlimited) preferred for standard manufacturing

The BAT400D-7-F from Diodes Incorporated is identified as a substitute part. However, this part operates at a reduced maximum reverse voltage rating of 40 V, which is below the 50 V specification of the main part. This substitution is valid only for applications where the actual operating voltage does not exceed 40 V DC.

Parameter Comparison

Parameter SB05-05C-TB-E (onsemi) BAT400D-7-F (Diodes Inc.) Compatibility Notes
Voltage - DC Reverse (Vr) (Max) 50 V 40 V Substitute rated lower; verify application voltage does not exceed 40 V
Current - Average Rectified (Io) 500 mA 500 mA Matched
Voltage - Forward (Vf) (Max) @ If 550 mV @ 500 mA 550 mV @ 500 mA Matched
Speed Fast Recovery ≤ 500 ns, > 200 mA (Io) Fast Recovery ≤ 500 ns, > 200 mA (Io) Matched
Current - Reverse Leakage @ Vr 50 µA @ 25 V 50 µA @ 30 V Comparable; measured at different voltage points
Package / Case TO-236-3, SC-59, SOT-23-3 TO-236-3, SC-59, SOT-23-3 Matched
Operating Temperature - Junction -55 to 125 °C -40 to 125 °C Main part has extended low-temperature range
RoHS Status ROHS3 Compliant ROHS3 Compliant Matched
Moisture Sensitivity Level (MSL) 1 (Unlimited) 1 (Unlimited) Matched

Engineering Selection Recommendations

Primary Part Selection: The SB05-05C-TB-E remains the preferred selection for applications requiring the full 50 V reverse voltage rating and extended operating temperature range (-55 to 125 °C). Both the main part and substitute are active products with RoHS3 compliance and unlimited MSL rating, ensuring compatibility with standard manufacturing processes.

Substitute Part Selection: The BAT400D-7-F is suitable as a substitute only when the application circuit operates at maximum reverse voltages not exceeding 40 V. The substitute part maintains electrical performance equivalence in forward voltage drop, current capacity, and recovery speed characteristics. Both parts share identical package footprints (TO-236-3, SC-59, SOT-23-3) and surface mount mounting type, enabling direct PCB layout compatibility.

Temperature Consideration: Applications requiring operation below -40 °C must use the SB05-05C-TB-E, as the BAT400D-7-F is rated only to -40 °C minimum junction temperature.

Compliance Status: Both parts maintain RoHS3 compliance and REACH unaffected status, with identical ECCN (EAR99) and HTSUS (8541.10.0070) classifications, supporting equivalent regulatory and export documentation requirements.

Frequently Asked Questions (FAQ)

Q: Can the BAT400D-7-F be used as a direct replacement for the SB05-05C-TB-E in all applications?

A: No. The BAT400D-7-F has a maximum reverse voltage rating of 40 V compared to the SB05-05C-TB-E rating of 50 V. Substitution is valid only for circuits where the actual reverse voltage does not exceed 40 V DC. Applications requiring the full 50 V rating must use the SB05-05C-TB-E.

Q: Are the package footprints identical between these parts?

A: Yes. Both the SB05-05C-TB-E and BAT400D-7-F use compatible package designations: TO-236-3, SC-59, and SOT-23-3. Both are surface mount components with identical pin configurations, allowing direct PCB layout compatibility.

Q: What is the difference in forward voltage performance between these parts?

A: Both parts specify identical forward voltage characteristics: 550 mV maximum at 500 mA. Forward voltage performance is equivalent between the two parts.

Q: Do both parts meet the same compliance standards?

A: Yes. Both the SB05-05C-TB-E and BAT400D-7-F are RoHS3 compliant, REACH unaffected, carry MSL 1 (Unlimited) ratings, and share identical ECCN and HTSUS classifications. Compliance documentation requirements are equivalent.

Q: What is the temperature operating range difference?

A: The SB05-05C-TB-E operates from -55 to 125 °C junction temperature, while the BAT400D-7-F operates from -40 to 125 °C. Applications requiring operation below -40 °C must use the SB05-05C-TB-E.

Q: Are the reverse recovery time specifications the same?

A: Both parts support fast recovery operation with specifications of ≤ 500 ns for currents greater than 200 mA. The SB05-05C-TB-E specifies a reverse recovery time of 10 ns. Recovery speed performance is equivalent for fast switching applications.

Q: Can these parts be used interchangeably in high-voltage applications?

A: No. High-voltage applications operating above 40 V DC require the SB05-05C-TB-E. The BAT400D-7-F is limited to 40 V maximum reverse voltage and will not provide adequate voltage margin in such applications.

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