FMMT459QTA

$0.82

Description：TRANS NPN 450V 0.15A SOT-23-3
Series：-

SKU:a4e1915ac639 Category: Single Bipolar Transistors Brand: Diodes Incorporated

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Product introduction

FMMT459QTA is listed in the Single Bipolar Transistors range at ChipApex. The manufacturer field lists Diodes Incorporated. Its product description is TRANS NPN 450V 0.15A SOT-23-3. Review the specifications below when checking this part for your BOM.

Single Bipolar Transistors specifications for FMMT459QTA

Description：TRANS NPN 450V 0.15A SOT-23-3
Series：-
Mfr：Diodes Incorporated
Package：Tape & Reel (TR),Cut Tape (CT)
Transistor Type：NPN
Current - Collector (Ic) (Max)：150 mA
Voltage - Collector Emitter Breakdown (Max)：450 V
Vce Saturation (Max) @ Ib, Ic：90mV @ 6mA, 50mA
Current - Collector Cutoff (Max)：100nA
DC Current Gain (hFE) (Min) @ Ic, Vce：50 @ 30mA, 10V
Power - Max：806 mW
Frequency - Transition：50MHz
Operating Temperature：-55°C ~ 150°C (TJ)
Mounting Type：Surface Mount
Package / Case：TO-236-3, SC-59, SOT-23-3
Supplier Device Package：SOT-23-3
Grade：-
Qualification：-

Single Bipolar Transistors datasheet and documents for FMMT459QTA

FMMT459QTA

Single Bipolar Transistors Overview

The FMMT459QTA is a single NPN Bipolar Junction Transistor (BJT) manufactured by Diodes Incorporated. It features a collector-emitter voltage (VCEO) of 450 V and a collector-base voltage (VCBO) of 500 V. The device supports a continuous collector current (IC) of 150 mA with a peak pulse current (ICM) up to 500 mA. Power dissipation ratings are 625 mW under steady-state conditions and 806 mW for short pulses. The transition frequency (fT) is 50 MHz, and the saturation voltage (VCE(sat)) is less than 90 mV at 50 mA. It operates within a temperature range of -55°C to +150°C.

Single Bipolar Transistors Feature Summary

High voltage capability with BVCEV exceeding 500 V
Reverse blocking emitter-base voltage greater than 6 V
Low saturation voltage below 90 mV at 50 mA collector current
Qualified to AEC-Q101 standards for automotive reliability

Single Bipolar Transistors Applications

Automotive systems
Off-line switching applications
RCD circuits
PFC disable switch in power supply units
Emergency lighting
Piezo actuators
Telecom protected line switching

Single Bipolar Transistors Procurement Notes

Verify that the specific part number suffix matches the required automotive qualification level. Confirm package dimensions against SOT-23 specifications if PCB layout constraints are critical. Ensure compliance with RoHS and halogen-free requirements as defined by the manufacturer's green product definitions. Check datasheet notes regarding PPAP capability if your manufacturing process requires it.

Single Bipolar Transistors Selection Notes

Select this component when high voltage isolation is required in a compact surface-mount footprint. The low saturation voltage makes it suitable for efficient switching applications. Consider the thermal resistance values when designing heat dissipation strategies for steady-state versus pulsed operation modes.

Single Bipolar Transistors Part Context

This transistor belongs to the FMMT459 series from Diodes Incorporated. It is designed specifically to meet stringent automotive application requirements. The device utilizes a molded plastic case with matte tin plated leads. It is totally lead-free and fully RoHS compliant.