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Product Detailed Parameters
- Description：Interface
- Series：-
- Mfr：MCC (Micro Commercial Components)
- Package：Bulk
- Transistor Type：2 NPN - Pre-Biased (Dual)
- Current - Collector (Ic) (Max)：100mA
- Voltage - Collector Emitter Breakdown (Max)：50V
- Resistor - Base (R1)：10kOhms
- Resistor - Emitter Base (R2)：-
- DC Current Gain (hFE) (Min) @ Ic, Vce：100 @ 1mA, 5V
- pa_vce-saturation-max-ib-ic：
- Current - Collector Cutoff (Max)：500nA (ICBO)
- Frequency - Transition：250MHz
- Power - Max：150mW
- Grade：-
- Qualification：-
- Mounting Type：Surface Mount
- Package / Case：6-TSSOP, SC-88, SOT-363
- Supplier Device Package：SOT-363
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Overview
The UMB4N-TP is a general-purpose ultra-fast recovery rectifier manufactured by Micro Commercial Components. This component utilizes the MicroPak package, which provides a compact footprint suitable for surface-mount applications in space-constrained designs. The device features a repetitive peak reverse voltage of 400V and an average forward rectified current rating of 4A. It is engineered with a low forward voltage drop to minimize conduction losses and ensure high efficiency in power conversion circuits.
Feature Summary
- Ultra-fast recovery characteristics designed to reduce switching losses
- Compact MicroPak surface-mount package for efficient board space utilization
- Low forward voltage drop for improved energy efficiency
Applications
- High-frequency DC/DC converters
- Free-wheeling diodes in PWM applications
- Reverse battery protection circuits
Procurement Notes
Verify the specific ordering suffix against the manufacturer's official datasheet to confirm exact electrical tolerances and marking codes. Ensure the requested quantity matches standard packaging formats provided by authorized distributors. Cross-reference the date code and lot number to confirm compliance with current RoHS directives and material declarations before finalizing procurement orders.
Selection Notes
Select this component when circuit requirements demand fast switching speeds combined with moderate current handling capabilities. The 400V reverse voltage rating makes it suitable for universal AC input applications. Consider the thermal performance within the MicroPak package relative to the expected ambient temperature and PCB copper area for adequate heat dissipation during continuous operation.
Part Context
This rectifier belongs to the broader family of ultra-fast recovery diodes offered by Micro Commercial Components. These components are typically used as replacements for older through-hole devices in modern surface-mount assembly lines. The series supports various voltage ratings to accommodate different bus voltages in consumer electronics and industrial power supplies.
Replacement Considerations
Direct pin-compatible substitutes may include other 4A 400V ultra-fast diodes in similar SMD packages. Verify that replacement parts meet or exceed the original reverse recovery time specifications. Ensure the alternative component maintains compatibility with the existing thermal management design and soldering profile constraints.
