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Product Detailed Parameters
- Description：TRANS PREBIAS PNP 50V 0.1A EMT3
- Series：DTA143T
- Mfr：Rohm Semiconductor
- Package：Tape & Reel (TR),Cut Tape (CT)
- Resistors Included：R1 Only
- Transistor Type：PNP - Pre-Biased
- Current - Collector (Ic) (Max)：100 mA
- Voltage - Collector Emitter Breakdown (Max)：50 V
- Resistor - Base (R1)：4.7 kOhms
- Resistor - Emitter Base (R2)：-
- DC Current Gain (hFE) (Min) @ Ic, Vce：100 @ 1mA, 5V
- Vce Saturation (Max) @ Ib, Ic：300mV @ 250µA, 5mA
- Current - Collector Cutoff (Max)：500nA (ICBO)
- Frequency - Transition：250 MHz
- Power - Max：150 mW
- Grade：-
- Qualification：-
- Mounting Type：Surface Mount
- Package / Case：SC-75, SOT-416
- Supplier Device Package：EMT3
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Overview
The DTC144EE3TL is an NPN digital transistor from the ROHM DTC144E series, housed in a SOT-416 (EMT3) surface-mount package. It integrates biasing resistors with R1 and R2 both at 47 kΩ. The device supports a maximum collector current of 100 mA and a supply voltage of 50 V. Key electrical parameters include a minimum DC current gain (hFE) of 68 at 5 mA/5 V, a transition frequency of 250 MHz, and a power dissipation rating of 150 mW. The output voltage is typically 100 mV at 10 mA.
Feature Summary
- Built-in biasing resistors enable inverter circuit configuration without external input components.
- Simplified circuit design by requiring only on/off conditions for operation.
- High-speed switching capability suitable for interface and driver applications.
Applications
- Inverter circuits
- Interface logic
- Driver stages
Procurement Notes
Verify the specific suffix '3' to confirm the SOT-416 (EMT3) package variant. Confirm RoHS compliance status through official manufacturer documentation before integration. Ensure storage conditions remain within recommended humidity and temperature limits to maintain solderability.
Selection Notes
Select this component when a compact NPN solution with integrated biasing is required. Compare against the complementary PNP DTA144E series for push-pull configurations. Verify that the 47 kΩ resistor ratio meets the specific drive requirements of the target application circuit.
Part Context
This part belongs to the DTC144E series of Bias Resistor Built-in Transistors (BRBTs). The series includes various package options such as SOT-723, SOT-416FL, and SOT-323. The DTC144EE3 specifically utilizes the EMT3 footprint, distinguishing it from other series members like the DTC144EM or DTC144EEB.
Replacement Considerations
DTA144EE3 (Complementary PNP type)
FAQ
What is the resistance ratio between R1 and R2?
The resistance ratio R2/R1 is nominally 1.0, with both resistors having a typical value of 47 kΩ.
What is the maximum junction temperature?
The maximum junction temperature (Tj) is 150 °C.
Is this component suitable for automotive use?
No, ROHM explicitly states that this standard-grade product is not recommended for use in automotive equipment.
