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Product Detailed Parameters
- Description：TRANS PREBIAS PNP 50V 0.1A SC75
- Series：-
- Mfr：onsemi
- 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)：50 V
- Resistor - Base (R1)：4.7 kOhms
- Resistor - Emitter Base (R2)：4.7 kOhms
- DC Current Gain (hFE) (Min) @ Ic, Vce：15 @ 5mA, 10V
- Vce Saturation (Max) @ Ib, Ic：250mV @ 1mA, 10mA
- Current - Collector Cutoff (Max)：500nA
- Frequency - Transition：-
- Power - Max：200 mW
- Grade：-
- Qualification：-
- Mounting Type：Surface Mount
- Package / Case：SC-75, SOT-416
- Supplier Device Package：SC-75, SOT-416
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Overview
The DTA143EET1G is a PNP Bias Resistor Transistor (BRT) from onsemi, designed to replace discrete transistors and external bias networks. It integrates a single transistor with a monolithic bias network consisting of a series base resistor (R1 = 4.7 kΩ) and a base-emitter resistor (R2 = 4.7 kΩ). The device operates with a maximum collector-emitter voltage of 50 Vdc and continuous collector current of 100 mAdc. Packaged in the SC-75 (SOT-416) surface-mount format, it supports operation across a junction temperature range of -55°C to +150°C.
Feature Summary
- Integrates a PNP transistor with a monolithic bias network comprising two resistors to eliminate external components.
- Reduces printed circuit board space and component count by combining active and passive elements into a single package.
- Supports simplified circuit design by requiring only on/off conditions for operation without complex input resistor configurations.
Applications
- Inverter circuits
- Interface circuits
- General-purpose switching applications
Procurement Notes
Verify the specific ordering suffix 'T1G' corresponds to the SC-75 package and tape-and-reel shipping configuration as documented in the official datasheet. Confirm that the Pb-free and RoHS compliance status matches project requirements. Ensure the manufacturer source is recognized as Semiconductor Components Industries, LLC dba onsemi.
Selection Notes
Select this component when a compact PNP digital transistor solution is required for logic inversion or switching tasks. The integrated 4.7 kΩ resistors simplify biasing compared to discrete designs. Verify that the SC-75 package dimensions fit the available footprint and that the 50 V voltage rating meets the circuit's maximum operating limits.
Part Context
This part belongs to the DTA143E/D family of digital transistors, which includes variants such as MUN2132, MMUN2132L, and DTA143EM3. These devices share similar electrical characteristics but differ in packaging styles like SOT-23, SOT-723, and SC-59. The DTA143EET1G specifically utilizes the SC-75 case style.
Replacement Considerations
Direct functional replacements within the same family include DTA143EE and DTA143EM3, though package differences must be accounted for. Cross-package equivalents such as MUN2132 (SC-59) or MMUN2132L (SOT-23) offer identical electrical performance but require layout adjustments due to differing pinouts and physical dimensions.
