CTA2N1P-7-F is a P-channel small-signal MOSFET launched by Diodes Incorporated. It adopts a compact SOT-23 package and has excellent low R<sub>DS(on)</sub> and fast switching performance. It is highly suitable for portable electronic products and power management circuits with limited space.
Core parameter specification
Parameter value
Type P-Channel MOSFET
Drain-source voltage (V<sub>DS</sub>) -20V
Continuous drain current (I < sub > D < / sub >) - 2.4 A @ T < sub > A < / sub > = 25 ° C
Largest conduction resistance (R < sub > DS (on) < / sub >) 90 m Ω @ V < sub > GS < / sub > = 4.5 V
Gate threshold voltage (V<sub>GS(th)</sub>) -0.45V to -1.0V
Package SOT-23
The operating temperature range is -55°C to +150°C
Package shipping, Tape & Reel packaging
RoHS complies with lead-free environmental protection standards
Product feature highlights
✅ Low R<sub>DS(on)</sub: reduces conduction loss and improves energy efficiency
✅ P-channel design: for high-end load switching control, no additional drive circuit is required
✅ SOT-23 package: Suitable for high-density PCB layout
✅ high-speed switching performance: meets the fast response requirements of portable products
✅ Good environmental compatibility: Compliant with RoHS, halogen-free requirements
🔋 Battery-powered systems: such as power banks and battery pack protection boards
📟 Embedded control system: combined with MCU and sensor for on-off control
Pin Distribution and Function (SOT-23)
Pin number name Function description 1 G Gate 2 S Source 3D Drain
Recommendations for equivalent models and compatible products
Model and brand differences
IRLML6402 Infineon-20V P channel, R<sub>DS(on)</sub> is lower
The BSS84 ON Semiconductor has a relatively low power and is suitable for light-load applications
FDN340P ON Semiconductor similar voltage and current specifications
DMG2305UX Diodes Inc. is a product from the same manufacturer and a higher-performance version
AO3401A Alpha & Omega is often used in the design of high-end load switches
Summary
As a low-voltage P-channel MOSFET, CTA2N1P-7-F features a compact package, low on-resistance and high-speed switching performance, making it an ideal switching solution for mobile devices, power systems and embedded control systems. If you are looking for an efficient and low-cost small-signal P-channel MOSFET, this device deserves special attention.
