The J109 is an N-channel electronic switch designed for digital switching applications requiring low on-resistance. It supports a forward gate current of 10mA and has a total device dissipation of 625mW. Commonly used in power management circuits.
Operating and Storage Junction Temperature Range: -55 to 150 °C
Total Device Dissipation: 625 mW
Thermal Resistance, Junction-to-Case: 125 °C/W
Thermal Resistance, Junction-to-Ambient: 200 °C/W
Device mounted on FR-4 PCB 36mm x 18mm x 1.5mm; mounting pad for the collector lead minimum 6cm
Pin configuration: Drain, Source, Gate
Maximum Voa Drain-Gate Voltage: 25 V
Maximum Ves Gate-Source Voltage: -25 V
Buy the Buy Fairchild J109 Part Number J109 Online
Purchase the Fairchild J109 N-channel switch online today to enhance your digital power management circuits. Known for its low on-resistance, support for 10mA gate current, and high temperature tolerance, this device ensures reliable switching performance. Its robust design allows for a maximum drain-gate voltage of 25V and maximum junction temperature of 150°C. Perfect for applications requiring efficient power control, it comes with a dissipative power of 625mW, making it ideal for both industrial and consumer electronics.
Get Fairchild J109 today—built for digital switching precision and long-lasting durability.
Frequently Asked Questions
Where can I buy ONSEMI J109?
You can click on the BUY or RFQ button to purchase J109 from an authorized ONSEMI distributor.
How do I troubleshoot issues or seek technical support for part J109?
You can download the J109 datasheet or visit the ONSEMI website for support.
Who is the manufacturer of J109?
ONSEMI
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