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RHFL4913ESY251 - STMicroelectronics

Description: Rad-hard positive fixed voltage regulator

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RHFL4913ESY251 - STMicroelectronics - PCB symbol
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PCB Footprints
RHFL4913ESY251 - STMicroelectronics PCB footprint - Transistor Outline, Vertical - Transistor Outline, Vertical - TO-257 package-1
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3D Models
RHFL4913ESY251 - STMicroelectronics - 3D model - Transistor Outline, Vertical - TO-257 package-1
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RHFL4913ESY251 Details

  • Manufacturer Part Number:

    RHFL4913ESY251

  • Brand Name:

    STMicroelectronics

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    TO-257

  • Package Description:

    ROHS COMPLIANT, HERMETIC SEALED, CERAMIC, TO-257, 3 PIN

  • Pin Count:

    3

  • Country Of Origin:

    France

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.60

  • Manufacturer:

    STMicroelectronics

  • YTEOL:

    6.01

  • Adjustability:

    FIXED

  • Dropout Voltage1-Nom:

    0.95 V

  • Input Voltage Absolute-Max:

    14 V

  • Input Voltage-Max:

    12 V

  • Input Voltage-Min:

    5 V

  • JESD-30 Code:

    R-CSFM-T3

  • JESD-609 Code:

    e0

  • Length:

    10.54 mm

  • Line Regulation-Max:

    0.01%

  • Load Regulation-Max:

    0.01%

  • Number of Functions:

    1

  • Number of Outputs:

    1

  • Number of Terminals:

    3

  • Operating Temperature TJ-Max:

    125 °C

  • Operating Temperature TJ-Min:

    -55 °C

  • Output Current1-Max:

    1 A

  • Output Voltage1-Max:

    2.55 V

  • Output Voltage1-Min:

    2.45 V

  • Output Voltage1-Nom:

    2.5 V

  • Package Body Material:

    CERAMIC, METAL-SEALED COFIRED

  • Package Code:

    SFM

  • Package Equivalence Code:

    SIP3,.1TB

  • Package Shape:

    RECTANGULAR

  • Package Style:

    FLANGE MOUNT

  • Packing Method:

    TR

  • Peak Reflow Temperature (Cel):

    NOT SPECIFIED

  • Qualification Status:

    Not Qualified

  • Regulator Type:

    FIXED POSITIVE SINGLE OUTPUT STANDARD REGULATOR

  • Surface Mount:

    NO

  • Technology:

    BIPOLAR

  • Terminal Form:

    THROUGH-HOLE

  • Terminal Pitch:

    2.54 mm

  • Terminal Position:

    SINGLE

  • Time@Peak Reflow Temperature-Max (s):

    NOT SPECIFIED

  • Total Dose:

    300k Rad(Si) V

  • Voltage Tolerance-Max:

    2%

  • Width:

    5.015 mm

RHFL4913ESY251 Frequently Asked Questions (FAQs)

  • STMicroelectronics provides a recommended PCB layout in the application note AN2866, which includes guidelines for component placement, routing, and thermal management to ensure optimal performance and minimize electromagnetic interference (EMI).
  • The input capacitor selection depends on the input voltage, output voltage, and output current. A general guideline is to choose a capacitor with a voltage rating of at least 1.5 times the input voltage, and a capacitance value between 10uF to 22uF. Refer to the application note AN2866 for more detailed guidance.
  • The RHFL4913ESY251 is rated for operation up to 150°C ambient temperature, but it's recommended to derate the output current and voltage to ensure reliable operation above 125°C. Consult the datasheet and application notes for thermal management guidelines.
  • The RHFL4913ESY251 has built-in OCP and SCP features. To implement these features, connect the OCP pin to a resistor divider network that sets the current limit, and connect the SCP pin to a capacitor that sets the short-circuit detection time. Refer to the datasheet and application notes for detailed implementation guidelines.
  • The output capacitor value and type depend on the output voltage and current. A general guideline is to use a low-ESR ceramic capacitor with a value between 10uF to 47uF. The capacitor type should be rated for the output voltage and have a low equivalent series resistance (ESR) to minimize output voltage ripple.

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RHFL4913ESY251 Overview

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About STMicroelectronics

STMicroelectronics (ST) is a global semiconductor company that designs, manufactures, and markets a broad range of integrated circuits (ICs), discrete devices, and other electronic components. STMicroelectronics offers a diverse portfolio of semiconductor products covering a wide range of applications and industries. Their product categories include microcontrollers, analog and mixed-signal ICs, MEMS (Micro-Electro-Mechanical Systems) sensors, power management ICs, RF (Radio Frequency) transceivers, aut

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