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HomeProductsIntegrated Circuits (ICs)Specialized ICsPNM3FD20V1E
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PNM3FD20V1E - PRISEMI

Manufacturer Part Number
PNM3FD20V1E
Manufacturer
PRISEMI
Allelco Part Number
32D-PNM3FD20V1E
Warranty
1 Year Allelco Warranty - Find out more
Stock Status:
14,940 pcs available, New & Original
Parts Description
DAC91001
Data sheet
-
Category
Integrated Circuits (ICs) > Specialized ICs
RoHs Status
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Our certification
In stock: 14940
  • Unit Price: $0.018
  • Subtotal: $0.00

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Quantity Unit Price Ext. Price
20+ $0.018 $0.36
200+ $0.014 $2.80
600+ $0.012 $7.20
2000+ $0.011 $22.00
10000+ $0.01 $100.00
The above prices does not include taxes and freight rates, which will be calculated on the order pages.

Specifications

PNM3FD20V1E Tech Specifications
PRISEMI - PNM3FD20V1E technical specifications, attributes, parameters and parts with similar specifications to PRISEMI - PNM3FD20V1E

Product Attribute Attribute Value
Part Number PNM3FD20V1E
Package DAC91001
Description DAC91001
Stock Condition Get 14940 pcs available quantity at Allelco
Payment PayPal / TT / Credit Card / Western Union
Allelco Certifications ESD / ISO 9001 / ISO 13485 / ISO 28000
Product Attribute Attribute Value
Manufacturer PRISEMI
RoHs Status -
Warranty 100% Perfect Functions
Transport port Hong Kong
Shipping by DHL / FedEx / UPS / TNT / SF Express
RFQ Email info@allelco.com

Frequently Asked Questions(FAQ)

What are the key electrical characteristics of the PNM3FD20V1E N-channel MOSFET that influence thermal performance in low-voltage switching applications?
The PNM3FD20V1E exhibits a drain-to-source voltage rating of 20V and a continuous drain current of 1A, which define its operational envelope for most low-voltage digital loads. Its on-resistance (RDS(on)) is specified at 450mΩ when driven by a gate-source voltage of 1.8V, indicating efficient conduction with minimal I²R losses under typical logic-level drive conditions. With a maximum power dissipation of 300mW and an operating junction temperature range from -55°C to +150°C, the device must be evaluated within thermal constraints—especially since power loss scales quadratically with RDS(on) and load current. In continuous operation near 1A, even modest resistance values can generate significant heat without adequate PCB copper area or airflow, making thermal management critical for reliability.
How does the threshold voltage of the PNM3FD20V1E compare to standard CMOS logic levels, and what implications does this have for interfacing with microcontrollers?
The PNM3FD20V1E has a gate threshold voltage (Vgs(th)) of 900mV at 250µA, measured relative to the source terminal. This value is significantly lower than typical CMOS logic thresholds (~1–2V), meaning the device begins conducting well before full logic high is reached. As a result, it can be effectively driven directly by 3.3V or even 1.8V microcontroller GPIO pins without requiring level-shifting circuitry. However, designers should verify that the actual Vgs applied exceeds Vgs(th) by sufficient margin to ensure low RDS(on); for optimal performance, a gate drive of at least 4.5V is recommended, as this reduces RDS(on) further and minimizes conduction losses during steady-state switching.
Can the PNM3FD20V1E be used reliably in battery-powered devices where minimizing quiescent current and leakage are essential?
Yes, the PNM3FD20V1E supports efficient operation in energy-constrained environments due to its low gate charge (Qg = 1nC @ 4.5V) and reverse transfer capacitance (Crss = 10pF @ 10V). These parameters reduce switching losses and gate drive energy consumption, which is beneficial during frequent transitions. Additionally, although not explicitly specified, MOSFETs with such low threshold voltages typically exhibit low subthreshold leakage when off. Still, in ultra-low-power designs, the absence of an explicit Ioff specification means caution is warranted—designers should consider worst-case leakage effects over temperature, especially if the device remains partially conductive across wide operating ranges. For best results, ensure the gate is pulled down firmly to ground when disabled.
What package considerations arise when integrating the DFN1006-3L version of the PNM3FD20V1E into compact PCBs with limited real estate?
The DFN1006-3L package measures approximately 1.0mm x 0.6mm, making it suitable for space-constrained layouts common in portable electronics. However, its small footprint also limits exposed thermal paths; effective heat dissipation relies heavily on proper use of thermal vias and copper pours connected to internal ground planes. Given the 300mW maximum power dissipation, even brief overloads can cause localized heating that may compromise solder joints or adjacent components. Designers should simulate thermal profiles under worst-case conditions and verify continuity between the drain/source pad and the PCB’s ground plane. Surface mount assembly quality is equally important—poor wetting or voids can increase effective thermal resistance and degrade long-term reliability.
How does the input capacitance (Ciss) of the PNM3FD20V1E affect switching speed in PWM-driven loads such as motors or LEDs?
The PNM3FD20V1E has an input capacitance (Ciss) of 48pF at 10V, which includes Miller capacitance effects that become more pronounced during turn-off transients. This capacitance forms an RC time constant with the gate driver impedance, potentially limiting slew rates if the driving circuit lacks sufficient current capability. For applications like PWM control at frequencies above several hundred kHz, inadequate gate drive strength could lead to increased switching losses and EMI emissions. Using a gate driver IC or enabling strong pull-up/pull-down capabilities in the MCU helps mitigate this. In contrast, lower-frequency applications (<100kHz) are generally less sensitive to Ciss variations, allowing simpler resistive gate networks to suffice.
When selecting between the PNM3FD20V1E and alternative N-channel MOSFETs, what performance trade-offs should engineers evaluate for cost-sensitive consumer designs?
Engineers often face trade-offs between RDS(on), package size, and cost when choosing the PNM3FD20V1E. While it offers competitive RDS(on) of 450mΩ at 1.8V and a miniature DFN1006-3L form factor, some alternatives may provide lower resistance per unit area or higher current ratings at similar prices. The PNM3FD20V1E’s 900mV threshold enables direct logic compatibility but may result in higher conduction losses than enhancement-mode devices with steeper IV curves. Furthermore, its relatively low power dissipation limit (300mW) restricts sustained operation above ~700mA unless thermal design mitigates self-heating. Therefore, selection hinges on whether the application prioritizes board space, ease of driving, or absolute efficiency—each influencing total system cost beyond the component price alone.
Does the PNM3FD20V1E require external protection circuits in inductive load switching scenarios?
No external snubber or flyback diode is mandated by the datasheet, but inductive loads such as relays or solenoids generate back-EMF that can exceed the 20V drain-to-source rating during turn-off. Although the MOSFET includes inherent avalanche ruggedness, repeated exposure to voltage spikes may degrade performance over time. Best practice involves placing a freewheeling diode across the load to clamp inductive kickback within safe limits. Alternatively, using TVS diodes rated slightly above the supply voltage provides additional robustness. Designers should validate transient response under actual load conditions, as failure to suppress transients can accelerate wear and reduce mean time between failures.
How does the operating temperature range of the PNM3FD20V1E impact reliability in automotive or industrial environments?
With a junction temperature range spanning -55°C to +150°C, the PNM3FD20V1E meets stringent environmental requirements common in automotive and industrial systems. At elevated temperatures, semiconductor parameters shift: RDS(on) tends to increase slightly, while gate threshold voltage decreases, improving turn-on behavior but potentially increasing leakage. Thermal cycling can induce mechanical stress at the die-package interface, especially in small packages like DFN1006-3L. To maintain long-term stability, ensure adequate derating of power dissipation and account for ambient temperature fluctuations during thermal simulations. Mounting the device close to a stable thermal reference point—such as a large ground plane—helps buffer against rapid thermal transients.
What role does gate charge play in determining switching losses for the PNM3FD20V1E in high-duty-cycle applications?
The gate charge (Qg) of 1nC at 4.5V directly influences switching loss through the equation Psw = Qg × Vgs × fsw, where fsw is the switching frequency. Since the PNM3FD20V1E has a relatively low Qg compared to many discrete MOSFETs, it enables faster transitions and reduced energy per cycle. In high-duty-cycle switching—such as linear regulators or always-on load switches—this characteristic minimizes cumulative losses over time. However, if the gate driver cannot source/sink enough current to charge/discharge Ciss quickly, the actual Qg experienced increases, leading to higher losses. Thus, pairing the PNM3FD20V1E with a capable gate driver optimizes efficiency and reduces electromagnetic interference.
Is the PNM3FD20V1E suitable for use in synchronous buck converters targeting mobile device power supplies?
The PNM3FD20V1E’s 1A current rating and 450mΩ RDS(on) at 1.8V make it marginally acceptable for very low-power synchronous buck stages, though it lacks the current capacity required for mainstream mobile applications (>3A). Its low gate charge and logic-level drive compatibility support fast switching, which benefits converter efficiency at light loads. However, the 300mW power dissipation ceiling implies that continuous conduction above 800mA necessitates aggressive thermal design. Moreover, parasitic inductance in the DFN1006-3L layout can exacerbate ringing during high dv/dt transitions. For mobile PMICs, engineers typically prefer larger packages with better thermal performance and higher current margins, making the PNM3FD20V1E more appropriate for auxiliary or peripheral switching rather than core voltage rails.

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Customer Reviews

Evaluation: 10 Articles

  • Dani***alkerTech
    Jun 1, 2026

    Product works, but setup took more effort than expected. Once configured the MCU ran reliably, although documentation support felt older compared with newer platforms. Fine for maintenance projects.

  • Yuki***aka88
    May 26, 2026

    信号通信プロジェクトでこのRS-485トランシーバーを使用しました。設置は簡単で、長距離ケーブルでも通信は安定していました。消費電力も、以前使用していたものより低くなっています。

  • Stev***aker
    May 20, 2026

    Solid diode for power rectification. Works well in switching circuits.

  • Bran***Lewis
    May 11, 2026

    Compact FPGA with good performance. Suitable for basic signal processing tasks.

  • Oliv***arris
    May 7, 2026

    Reliable I/O expander. Works well in embedded control applications.

  • Jess***Jones
    Apr 17, 2026

    It offers good value for the price, and the specifications match the description. I’ve been using it for two days with no issues, and I’ll definitely buy it again if I need it in the future.

  • Mich***Smith
    Apr 17, 2026

    Shipping was on time, the component pins are neatly aligned, and I tested 10 of them with a multimeter—all readings were within the specified range. Highly recommended.

  • Aman***arris
    Apr 3, 2026

    It was great—the entire process, from placing the order to receiving the package, went very smoothly. The components were consistent, the price was fair, and I had a very pleasant shopping experience.

  • Mike***nch
    Apr 3, 2026

    Better than expected! The resistance and capacitance readings were spot-on, and it passed the test on the first try. The service was reliable, and the packaging was thoughtful—I highly recommend it.

  • Daic***K.
    Mar 23, 2026

    Very good. No issue after long time testing.

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Delivery Time

In-stock items can be shipped within 24 hours. Some parts will be arranged for delivery within 1-2 days from the date all items arrive at our warehouse. And Allelco ships order once a day at about 17:00, except Sunday. Once the goods are shipped, the estimated delivery time depends on the shipping methods and Delivery destination. The table below shows are the logistic time for some common countries.

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Common Countries Logistic Time Reference
Region Country Logistic Time(Day)
America United States 5
Brazil 7
Europe Germany 5
United Kingdom 4
Italy 5
Oceania Australia 6
New Zealand 5
Asia India 4
Japan 4
Middle East Israel 6
DHL & FedEx Shipment Charges Reference
Shipment charges(KG) Reference DHL(USD$)
0.00kg-1.00kg USD$30.00 - USD$60.00
1.00kg-2.00kg USD$40.00 - USD$80.00
2.00kg-3.00kg USD$50.00 - USD$100.00
Note:
The above table is for reference only. There may have some data bias for the uncontrollable factors.
Contact us if you have any questions.
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PNM3FD20V1E

PRISEMI
32D-PNM3FD20V1E

Want a better price? Add to Cart and Submit RFQ now, we'll contact you immediately.

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