1. General Information & Purpose

️· Product Type: This is a datasheet for rectifier bridge components (specifically, the MBS2 through MBS10 series). Rectifier bridges are used to convert alternating current (AC) to direct current (DC).
️· Target Audience: This document is primarily for electrical engineers and technicians who design and work with power electronics circuits.
️· Revision: Rev. 1, Nov-2003

2. Electrical Characteristics (Key Parameters)


️· DC Blocking Voltage (VDC): 200-1000V
️· Average Forward Rectified Current (I(AV)): 0.5 - 0.8A (on glass-epoxy PCB or aluminum substrate)
️· Peak Forward Surge Current (IFSM): 35A (8.3ms single half-sine wave pulse, JEDEC method)
️· Instantaneous Forward Voltage (VF): ~1.0V at 0.4A
️· Maximum DC Reverse Current (IR): ~5.0uA to 100uA (depending on junction temperature)
️· Typical Junction Capacitance (Cj): ~13pF
️· Typical Thermal Resistance (RθJA): ~85 °C/W
️· Operating Temperature Range (Tj): -55 °C to +150 °C
️· Storage Temperature Range (Tstg): -55 °C to +150 °C

3. Figures and Graphs (Important for Understanding Behavior)

The datasheet includes several figures that are crucial for understanding the component's operation and limitations:

️· Figure 1: Derating Curve for Output Rectified Current: Shows how the maximum current decreases as the ambient temperature increases. This is vital for ensuring the component doesn't overheat.
️· Figure 2: Maximum Non-Repetitive Peak Forward Surge Current: Shows the maximum surge current the device can handle for short pulses.
️· Figure 1: Typical Forward Voltage Characteristics: Shows the forward voltage drop vs. forward current.
️· Figure 4: Typical Reverse Leakage Characteristics: Shows the reverse current that flows when the device is reverse biased. This is expected to be very low.
️· Figure 1: Typical Junction Capacitance vs. Reverse Voltage

4. Key Design Considerations & Warnings

️· Thermal Management: The "Thermal Resistance" is important. You need to ensure proper heat sinking to keep the junction temperature within the specified range.
️· Surge Current: Be mindful of potential surge currents, which can damage the device if they exceed the IFSM rating.
️· Voltage Ratings: Don't exceed the maximum DC blocking voltage.

5. Model-Specific Differences

The datasheet indicates that the electrical characteristics vary slightly among the MBS2 to MBS10 models. Refer to the tables and figures for the specific values for each model.



In simple terms: This document is a technical guide for engineers to use these rectifier bridges safely and effectively in their designs, highlighting their electrical properties and important design considerations.