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Product Detailed Parameters
- Description：TRANS PREBIAS PNP 0.1A UMT3
- Series：-
- Mfr：Rohm Semiconductor
- Package：Tape & Reel (TR),Cut Tape (CT)
- Resistors Included：R1 and R2
- Transistor Type：PNP - Pre-Biased
- Current - Collector (Ic) (Max)：100 mA
- Voltage - Collector Emitter Breakdown (Max)：-
- Resistor - Base (R1)：47 kOhms
- Resistor - Emitter Base (R2)：47 kOhms
- DC Current Gain (hFE) (Min) @ Ic, Vce：68 @ 5mA, 5V
- Vce Saturation (Max) @ Ib, Ic：300mV @ 500µA, 10mA
- Current - Collector Cutoff (Max)：-
- Frequency - Transition：250 MHz
- Power - Max：200 mW
- Grade：-
- Qualification：-
- Mounting Type：Surface Mount
- Package / Case：SC-70, SOT-323
- Supplier Device Package：UMT3
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Overview
The DTA144EU3T106 is a PNP digital transistor manufactured by ROHM Semiconductor, housed in an SOT-323 (UMT3) surface-mount package. It integrates bias resistors with a typical input resistance of 47 kOhms and a typical resistor ratio of 1. The device supports a collector-emitter voltage of -50 V and a continuous collector current of -100 mA. Key electrical parameters include a DC current gain (hFE) ranging from 68 to 600 at -1 mA and -5 V, a maximum operating frequency of 250 MHz, and power dissipation of 200 mW. The emitter-base voltage is rated at -5 V, with a maximum operating temperature of +150 C.
Feature Summary
- Integrates built-in bias resistors to eliminate the need for external components, simplifying circuit design for inverter applications.
Applications
- Inverter circuits
- Interface circuits
- Driver circuits
Procurement Notes
Verify component authenticity through authorized distribution channels or direct manufacturer confirmation. Ensure the specific suffix matches the required packaging format, such as tape and reel quantities. Cross-reference the datasheet revision date to confirm compliance with current RoHS standards and long-term supply plans before finalizing procurement orders.
Selection Notes
Select this PNP variant when a negative logic level or inverted signal output is required within the circuit topology. Verify that the 47 kOhm internal resistance aligns with the driving source impedance and desired switching speed. Confirm that the SOT-323 footprint fits the available PCB space and thermal management requirements for the target application environment.
Part Context
This component belongs to the DTA series of pre-biased transistors designed for general-purpose switching. It serves as the PNP counterpart to the NPN DTC series, offering complementary functionality within the same package family. The EU3 suffix denotes the specific SOT-323 package configuration used in compact consumer and industrial electronics.
Replacement Considerations
- DTA144TU3T106
FAQ
What is the internal resistor configuration for the DTA144EU3T106?
The device features two integrated resistors: R1 (input/base) is typically 47 kOhms, and R2 (emitter/base) is also typically 47 kOhms, resulting in a resistor ratio of 1.
Is this component suitable for automotive applications?
No, official documentation states that this standard-grade product is not recommended for use in automotive equipment.
What is the maximum collector-emitter voltage rating?
The maximum collector-emitter voltage (VCEO) is rated at -50 V.
