Standard Regulator -1.2 Volt To -37 Volt 1.5 Amp 3 Pin 3+ Tab TO-220 Rail

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$0.49 ea

952 ship on Jan. 18
Lead time 3 weeks

  • Jameco Part no.: 23819
  • Manufacturer: Major Brands
  • Manufacturer no.: LM337T
  • Jameco Catalog
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Standard Regulator -1.2 Volt to -37 Volt 1.5 Amp 3 Pin 3+Tab TO-220 Rail


The LM137/LM337 are adjustable 3-terminal negative voltage regulators capable of supplying in excess of -1.5A over an output voltage range of -1.2V to -37V. These regulators are exceptionally easy to apply, requiring only 2 external resistors to set the output voltage and 1 output capacitor for frequency compensation. The circuit design has been optimized for excellent regulation and low thermal transients. Further, the LM137 series features internal current limiting, thermal shutdown and safe-area compensation, making them virtually blowout-proof against overloads. The LM137/LM337 serve a wide variety of applications including local on-card regulation, programmable-output voltage regulation or precision current regulation. The LM137/LM337 are ideal complements to the LM117/LM317 adjustable positive regulators.


  • Input Voltage Max (Vi - Vo): -40 VDC
  • Output voltage adjustable from -1.2V to -37V
  • 1.5A output current guaranteed, -55°C to +150°C
  • Line regulation typically 0.01%/V
  • Load regulation typically 0.3%
  • Excellent thermal regulation, 0.002%/W
  • 77 dB ripple rejection
  • Excellent rejection of thermal transients
  • 50 ppm/°C temperature coefficient
  • Temperature-independent current limit
  • Internal thermal overload protection
  • P+ Product Enhancement tested
  • Standard 3-lead transistor package
  • Output is short circuit protected

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  • Specification Value
    Supplier PackageTO-220
    Output TypeAdjustable
    Line Regulation0.04%/V
    Load Regulation1%
    Minimum Input Voltage-4.2V
    Maximum Input Voltage-50V
    Output Voltage-1.2V to -37V
    Maximum Output Current1.5A
    Maximum Power Dissipation20000mW
    Number of Outputs1
    Reference Voltage-1.287V
    Junction to Ambient50C/W(Typ)
    Junction to Case4C/W(Typ)
    Minimum Operating Temperature0°C
    Maximum Operating Temperature125°C
    MountingThrough Hole
    Product Width4.7mm(Max)
    Product Height8.89mm(Max)
    Product Length10.16mm
    Product TypeRegulator

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