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ROHM QS6K21FRATR High-Voltage Power MOSFET

The QS6K21FRA is a high-performance 45V N-channel power MOSFET designed for switch mode power supplies and electronic devices requiring low on-resistance and high current handling. Featuring built-in body diode, high speed switching capabilities, and RoHS compliance, it offers excellent efficiency and thermal stability suited for automotive and industrial applications. Its compact TSMT6 surface mount package enables easy PCB integration. Suitable for high power switching, this MOSFET supports a maximum drain current of +1.0A and pulsed currents up to 42A, ensuring reliable operation in demanding environments.

Authorized Distributors
Source:Newark
Part No:QS6K21FRATR
Stock:1783
Inv Date:06-09-2026
Price: Unit price: $1.09
Buy/RFQ:
Source:DigiKey
Part No:QS6K21FRATR
Stock:6000
Inv Date:06-09-2026
Price: Unit price: $0.28244
Buy/RFQ:
Part No:QS6K21FRATR
Stock:102
Inv Date:06-10-2026
Price: Unit price: $1.14
Buy/RFQ:

ROHM QS6K21FRATR High-Voltage Power MOSFET Specifications:

  • Drain - Source Voltage: 45V
  • Continuous Drain Current: +1.0A
  • Pulsed Drain Current: 42A
  • Gate - Source Voltage: +12V
  • Power Dissipation (Total): 12W
  • Junction Temperature Range: -55°C to +150°C
  • Thermal Resistance (Junction - Ambient): 132°C/W
  • Gate Threshold Voltage: 0.5V to 1.5V
  • On-State Resistance: 310 to 585 milliohms (typical 310 milliohms at Vgs=4V, 1A)
  • Gate Charge: 1.5nC total
  • Package Type: TSMT6 (SOT-457T, SC-95)
  • RoHS compliant, Pb-free, AEC-Q101 Qualified
  • Reflow soldering recommended on surface mount PCB
  • Operating Temperature Range: -55°C to +150°C
  • Storage Temperature: -55°C to +150°C

Buy the Buy ROHM QS6K21FRA Part Number QS6K21FRA Online

Order the ROHM QS6K21FRA power MOSFET online today to ensure your circuit benefits from its low on-resistance, high current capacity, and reliable switching performance. This compact surface-mount device, compliant with RoHS standards, is perfect for automotive, industrial, and power management applications. Its built-in body diode and high junction temperature tolerance provide operational stability and efficiency. Purchase now to enhance your device’s power efficiency and durability with this high-quality MOSFET designed for demanding electronic environments.

Get ROHM QS6K21FRA today—built for high-speed switching and long-lasting durability in power supply circuits.

Frequently Asked Questions

Where can I buy ROHM QS6K21FRATR?

You can click on the BUY or RFQ button to purchase QS6K21FRATR from an authorized ROHM distributor.

How do I troubleshoot issues or seek technical support for part QS6K21FRATR?

You can download the QS6K21FRATR datasheet or visit the ROHM website for support.

Who is the manufacturer of QS6K21FRATR?

ROHM

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