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N-channel 40 V, 1.7 mΩ logic level MOSFET in SOT78

Logic level N-channel MOSFET in SOT78 using TrenchMOS technology. Product design and manufacture has been optimized for use in battery operated power tools.

Orderable parts

Type number Orderable part number Ordering code (12NC) Package Buy from distributors
PSMN1R9-40PL PSMN1R9-40PLQ 934067606127 SOT78 Order product

Features and benefits

  • High efficiency due to low switching & conduction losses
  • Robust construction for demanding applications
  • Logic level gate


  • Battery-powered tools
  • Load switching
  • Motor control
  • Uninterruptible power supplies


Type numberPackage versionPackage nameProduct statusChannel typeNumber of transistorsVDS [max] (V)RDSon [max] @ VGS = 10 V (mΩ)RDSon [max] @ VGS = 4.5 V (mΩ)Tj [max] (°C)ID [max] (A)QGD [typ] (nC)QG(tot) [typ] @ VGS = 10 V (nC)Ptot [max] (W)Qr [typ] (nC)VGSth [typ] (V)Automotive qualifiedCiss [typ] (pF)Coss [typ] (pF)Date


Type numberOrderable part number, (Ordering code (12NC))StatusMarkingPackagePackage informationReflow-/Wave solderingPacking
( 9340 676 06127 )
ActivePSMN1R9 40PL
SOT78Horizontal, Rail Pack

Quality, reliability & chemical content

Type numberOrderable part numberChemical contentRoHS / RHFMSLMSL leadfree
Quality and reliability disclaimer

Documentation (9)

File nameTitleTypeDate
PSMN1R9-40PLN-channel 40 V, 1.7 mΩ logic level MOSFET in SOT78Data sheet2018-04-02
AN10273Power MOSFET single-shot and repetitive avalanche ruggedness ratingApplication note2020-07-02
AN11261RC Thermal ModelsApplication note2021-03-18
AN11599Using power MOSFETs in parallelApplication note2016-07-13
AN10874_ZHLFPAK MOSFET thermal design guide, Chinese versionApplication note2020-04-30
AN11113_ZHLFPAK MOSFET thermal design guide - Part 2Application note2020-04-30
PSMN1R9-40PLPSMN1R9-40PL Spice modelSPICE model2013-03-11
TN00008Power MOSFET frequently asked questions and answersTechnical note2020-06-24
PSMN1R9-40PLPSMN1R9-40PL Thermal modelThermal model2013-03-11


If you are in need of design/technical support, let us know and fill in the answer form, we'll get back to you shortly.


File nameTitleTypeDate
PSMN1R9-40PLPSMN1R9-40PL Spice modelSPICE model2013-03-11
PSMN1R9-40PLPSMN1R9-40PL Thermal modelThermal model2013-03-11

Ordering, pricing & availability

Type numberOrderable part numberOrdering code (12NC)PackingBuy online
PSMN1R9-40PLPSMN1R9-40PLQ934067606127Horizontal, Rail PackOrder product


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