MMUN2133LT1

$0.03

Description：TRANS BRT PNP 50V SOT-23
Series：-

SKU:f9d1cbe9b9f2 Category: Single, Pre-Biased Bipolar Transistors Brand: onsemi

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Product introduction

Product Detailed Parameters

Description：TRANS BRT PNP 50V SOT-23
Series：-
Mfr：onsemi
Package：Bulk
Resistors Included：-
Transistor Type：-
Current - Collector (Ic) (Max)：-
Voltage - Collector Emitter Breakdown (Max)：-
Resistor - Base (R1)：-
Resistor - Emitter Base (R2)：-
DC Current Gain (hFE) (Min) @ Ic, Vce：-
Vce Saturation (Max) @ Ib, Ic：-
Current - Collector Cutoff (Max)：-
Frequency - Transition：-
Power - Max：-
Grade：-
Qualification：-
Mounting Type：-
Package / Case：-
Supplier Device Package：-

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MMUN2133LT1

Overview

The MMUN2133LT1 is a PNP Bias Resistor Transistor (BRT) from onsemi, housed in an SOT-23 package. It integrates a single transistor with a monolithic bias network consisting of a series base resistor and a base-emitter resistor. Key electrical parameters include a collector-base voltage (VCBO) of 50 Vdc, a collector-emitter voltage (VCEO) of 50 Vdc, and a continuous collector current (IC) of 100 mAdc. The device features a typical input resistance (R1) of 4.7 kOhms and a typical resistor ratio (R1/R2) of 0.1. Thermal characteristics specify a total device dissipation (PD) of 246 mW at 25°C ambient temperature.

Feature Summary

Integrates a single PNP transistor with a monolithic bias network containing two resistors to replace discrete components.
Designed for low power surface mount applications using the SOT-23 package.
Simplifies circuit design by reducing board space and component count.

Applications

General-purpose switching circuits
Driver circuits for logic interfaces
Biasing networks for digital logic

Procurement Notes

Verify the specific ordering suffix against official documentation to confirm packaging details such as tape and reel specifications or lead-free status. Ensure the part number matches the required resistor values and polarity before procurement. Cross-reference the manufacturer's latest datasheet revision to confirm availability and any potential product changes.

Selection Notes

Select this component when a compact solution is needed for driving PNP loads or interfacing with digital logic. The integrated bias network eliminates external resistors, simplifying layout. Verify that the 50 V voltage rating and 100 mA current capacity meet the application requirements. Consider the thermal dissipation limits based on the PCB pad size and ambient operating conditions.

Part Context

This component belongs to the MMUN21xxLT1 series of PNP Silicon Surface Mount Transistors with Monolithic Bias Resistor Networks. The series is designed to replace individual transistors and their associated bias resistors, offering a space-saving alternative for surface mount designs.

Replacement Considerations

Direct substitutes within the same series include MMUN2132LT1G and MMUN2134LT1G, which share the same package and general characteristics but differ in internal resistor values. Verify resistor ratios and DC current gain specifications when substituting.

How to buy

Online and offline orders are supported. If the item is available for online purchase, you can place it in the cart; for wholesale pricing, please contact our product manager for a quote.

Payment Method

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Delivery time

In-stock items usually ship within 24 hours. Otherwise, shipment is arranged 1 to 2 days after the items arrive at our warehouse. Timing depends on destination and shipping method.

Freight calculation

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Return and Refund

Returns are accepted within 60 days of invoice with RMA approval. Items must be resalable; original invoice and test report are required. No returns for customer errors.