myMectronic
myMectronic

A Premier B2B Part Search

STMICROELECTRONICS STF21N65M5 Power MOSFET

The STF21N65M5 is a high-performance N-channel Power MOSFET with a voltage rating of 650 V and a low on-resistance of 0.150 Ω, designed for switching applications. It features advanced AMDmesh™ technology with a top package selection including TO-220, TO-247, and D?PAK, offering excellent efficiency, high dv/dt capability, and robust avalanche testing. Suitable for power conversion, motor drives, and high-voltage switching, this MOSFET delivers superior power density and reliability. Its thermal and electrical characteristics ensure optimal operation in demanding environments, with a maximum junction temperature of 150°C and low gate charge for fast switching.

Authorized Distributors
Source:DigiKey
Part No:STF21N65M5
Stock:304
Inv Date:06-11-2026
Price: Unit price: $6
Buy/RFQ:
Part No:STF21N65M5
Stock:909
Inv Date:06-12-2026
Price: Unit price: $5.95
Buy/RFQ:
Part No:STF21N65M5
Stock:0
Inv Date:06-11-2026
Price: Unit price: $2.62
Buy/RFQ:

STMICROELECTRONICS STF21N65M5 Power MOSFET Specifications:

  • Voltage Rating: 650 V
  • Maximum Drain Current: 17 A (at Ta = 25°C)
  • Pulsed Drain Current: 68 A
  • On-Resistance (Rds on): 0.150 Ω (typ), 0.179 Ω (max)
  • Gate-Source Voltage: ±25 V
  • Repetitive Avalanche Current: 5 A
  • Maximum Power Dissipation: 125 W (TO-220), 30 W (TO-247), 125 W (D?PAK)
  • Package Options: TO-220, TO-247, D?PAK (TO-263)
  • Operating Temperature Range: -55°C to 150°C
  • Storage Temperature: -55°C to 150°C
  • Insulation Voltage: 2500 V (RMS)
  • Thermal Resistance Junction-Ambient: 50-62.5 °C/W depending on package
  • Switching Times: t_on 10 ns, t_off 24 ns
  • Electrical testing confirms 100% avalanche robustness and high dv/dt capability
  • Designed for high-efficiency switching in power supply, motor control, and high-voltage switching environments.

Buy the Buy STMicroelectronics Power MOSFET Part Number STF21N65M5 Online

Order the STMicroelectronics STF21N65M5 online and take advantage of superior high-voltage switching technology. This N-channel Power MOSFET offers low on-resistance of 0.150 Ω, high pulse current of 68 A, and a maximum voltage of 650 V, making it suitable for demanding power conversion, motor drives, and high-voltage switching. Its advanced AMDmesh™ process ensures excellent efficiency, thermal stability, and fast switching times. Stocked in various packages including TO-220 and D?PAK, it's ideal for design engineers seeking reliable power components for demanding environments. Buy now to optimize your systems with high-performance MOSFETs designed for efficiency and durability.

Buy STMicroelectronics STF21N65M5 now and experience unmatched reliability and high-voltage switching performance for your power applications.

Frequently Asked Questions

Where can I buy STMICROELECTRONICS STF21N65M5?

You can click on the BUY or RFQ button to purchase STF21N65M5 from an authorized STMICROELECTRONICS distributor.

How do I troubleshoot issues or seek technical support for part STF21N65M5?

You can download the STF21N65M5 datasheet or visit the STMICROELECTRONICS website for support.

Who is the manufacturer of STF21N65M5?

STMICROELECTRONICS

STMICROELECTRONICS Part List

Browse and search other STMICROELECTRONICS parts, locate datasheets and stock

Sponsored by