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  • Manufacturer No:
    MJE521
  • Manufacturer:
  • Category:
    Transistors - Bipolar (BJT) - Single
  • Datasheet:
    Get the PDF file
  • SKU:
    4597138
  • Description:
    Tube Through Hole NPN Single Bipolar (BJT) Transistor 40 @ 1A 1V 100muA ICBO 40W 270MHz
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  • Manufacturer No:
    MJE521
  • Manufacturer:
    STMicroelectronics
  • Category:
    Transistors - Bipolar (BJT) - Single
  • Datasheet:
    MJE521
  • SKU:
    4597138
  • Description:
    Tube Through Hole NPN Single Bipolar (BJT) Transistor 40 @ 1A 1V 100muA ICBO 40W 270MHz

MJE521 Details

Tube Through Hole NPN Single Bipolar (BJT) Transistor 40 @ 1A 1V 100muA ICBO 40W 270MHz

MJE521 Specification Parameters

  • RoHS Status: ROHS3 Compliant
  • Mounting Type: Through Hole
  • Number of Elements: 1
  • Pbfree Code: yes
  • JESD-609 Code: e3
  • Part Status: Obsolete
  • Number of Terminations: 3
  • Length: 2.54mm
  • Terminal Finish: Matte Tin (Sn)
  • Transistor Element Material: SILICON
  • Width: 6.35mm
  • Voltage - Rated DC: 40V
  • Collector Emitter Voltage (VCEO): 40V
  • Max Breakdown Voltage: 40V
  • Current Rating: 4A
  • Emitter Base Voltage (VEBO): 4V
  • Transistor Type: NPN
  • Operating Temperature: 150°C TJ
  • Max Power Dissipation: 40W
  • Weight: 4.535924g
  • Package / Case: TO-225AA, TO-126-3
  • DC Current Gain (hFE) (Min) @ Ic, Vce: 40 @ 1A 1V
  • Moisture Sensitivity Level (MSL): 1 (Unlimited)
  • Mount: Through Hole
  • ECCN Code: EAR99
  • Radiation Hardening: No
  • Lead Free: Lead Free
  • Packaging: Tube
  • Number of Pins: 3
  • REACH SVHC: No SVHC
  • hFE Min: 40
  • Element Configuration: Single
  • Height: 6.35mm
  • Collector Emitter Breakdown Voltage: 40V
  • Collector Base Voltage (VCBO): 40V
  • Case Connection: ISOLATED
  • Max Collector Current: 4A
  • Transistor Application: SWITCHING
  • Polarity/Channel Type: NPN
  • Subcategory: Other Transistors
  • Power Dissipation: 40W
  • Transition Frequency: 270MHz
  • Current - Collector Cutoff (Max): 100μA ICBO
  • Base Part Number: MJE521

STMicroelectronics — Manufacturer Introduction

STMicroelectronics is a global independent semiconductor company and is a leader in developing and delivering semiconductor solutions across the spectrum of microelectronics applications. An unrivaled combination of silicon and system expertise, manufacturing strength, Intellectual Property (IP) portfolio and strategic partners positions the Company at the forefront of System-on-Chip (SoC) technology and its products play a key role in enabling today's convergence trends.

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