BCAP0003 P300 X11
BCAP0003 P300 X11
Active
Description:  CAP 3F 3V THROUGH HOLE
Manufacturer:  Maxwell Technologies
History Price: $2.92
In Stock: 40500
BCAP0003 P300 X11 Specification
Specification
Part No
BCAP0003 P300 X11
Category
Electric Double Layer Capacitors (EDLC), Supercapacitors
Manufacturer
Maxwell Technologies
Series
XP
Packaging
Bulk
Status
Active
Environmental Compliance
Lead Free
Radiation Hardening
No
REACH SVHC
No SVHC
RoHS
Compliant
HS Code
-
Technical Parameter
Capacitance
3 F
Tolerance
-
Voltage - Rated
3 V
ESR (Equivalent Series Resistance)
95mOhm
Lifetime @ Temp.
-
Termination
PC Pins
Mounting Type
Through Hole
Package / Case
Radial, Can
Lead Spacing
0.138" (3.50mm)
Size / Dimension
0.315" Dia (8.00mm)
Height - Seated (Max)
0.807" (20.50mm)
Operating Temperature
-40℃ ~ 65℃
BCAP0003 P300 X11 PDF Datasheet
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BCAP0003 P300 X11 Compare Parts
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  • BCAP0003 P300 X11 vs BCAP0010 P270 X01
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  • BCAP0003 P300 X11 FAQ
    Q1: What is the Maxwell Technologies BCAP0003 P300 X11?
    A: The Maxwell Technologies BCAP0003 P300 X11 is a supercapacitor designed for high power and energy storage applications. It offers low internal resistance and high cycle life, making it suitable for energy buffering, power backup, and fast discharge applications in a variety of industrial, automotive, and energy storage systems.

    Q2: What is the capacitance value of the BCAP0003 P300 X11?
    A: The Maxwell BCAP0003 P300 X11 has a capacitance value of 3 Farads. This capacitance is typically used in high power energy storage applications, where the device needs to store and discharge energy rapidly.

    Q3: What is the rated voltage of the BCAP0003 P300 X11?
    A: The BCAP0003 P300 X11 has a rated voltage of 2.7V. This makes it suitable for low-voltage energy storage applications, offering a balance between capacitance and energy storage capacity.

    Q4: What is the maximum voltage rating of the BCAP0003 P300 X11?
    A: The maximum voltage rating for the Maxwell BCAP0003 P300 X11 is 2.85V. Exceeding this voltage could result in damage to the supercapacitor, so it is important to operate within the specified voltage limits.

    Q5: What is the energy density of the BCAP0003 P300 X11?
    A: The Maxwell BCAP0003 P300 X11 offers a high energy density, typically around 5 Wh/kg. This high energy density allows it to store a significant amount of energy in a compact form, making it ideal for energy storage and quick-release applications.

    Q6: What is the power density of the BCAP0003 P300 X11?
    A: The power density of the Maxwell BCAP0003 P300 X11 is approximately 300 W/kg. This high power density enables rapid charging and discharging, which is crucial for applications requiring quick bursts of power, such as regenerative braking systems and power stabilization.

    Q7: How long can the BCAP0003 P300 X11 last in terms of cycle life?
    A: The Maxwell BCAP0003 P300 X11 is designed for an impressive cycle life of up to 500,000 charge/discharge cycles. This long cycle life makes it ideal for applications requiring long-term reliability, such as power backup systems, renewable energy applications, and industrial devices.

    Q8: What is the temperature range of the BCAP0003 P300 X11?
    A: The operating temperature range for the Maxwell BCAP0003 P300 X11 is from -40°C to +65°C. This wide temperature range ensures the supercapacitor can perform reliably in a variety of environments, from extreme cold to high heat.

    Q9: What is the equivalent series resistance (ESR) of the BCAP0003 P300 X11?
    A: The Maxwell BCAP0003 P300 X11 features a low equivalent series resistance (ESR) of around 30 milliohms. This low ESR allows the supercapacitor to provide efficient power delivery with minimal energy loss, which is important for high-efficiency systems.

    Q10: How does the BCAP0003 P300 X11 compare to traditional batteries?
    A: Compared to traditional batteries, the Maxwell BCAP0003 P300 X11 offers faster charge and discharge times, higher cycle life, and can operate across a wider temperature range. However, supercapacitors like the BCAP0003 P300 X11 typically store less energy than batteries, making them ideal for applications that require quick bursts of power rather than long-term energy storage.

    Q11: What are the main applications of the BCAP0003 P300 X11?
    A: The Maxwell BCAP0003 P300 X11 is commonly used in applications such as power backup systems, hybrid electric vehicles (HEVs), energy recovery systems (like regenerative braking), uninterruptible power supplies (UPS), and other industrial systems where high power and rapid discharge are required.

    Q12: Is the BCAP0003 P300 X11 suitable for automotive applications?
    A: Yes, the Maxwell BCAP0003 P300 X11 is suitable for automotive applications, particularly in hybrid or electric vehicles (HEVs) where it can be used for energy recovery, quick power bursts, or stabilizing power flow. Its high power density and long cycle life make it ideal for these applications.

    Q13: Can the BCAP0003 P300 X11 be used in energy storage systems?
    A: Yes, the Maxwell BCAP0003 P300 X11 is ideal for energy storage applications, particularly in systems that require fast charge/discharge cycles. It can be used in renewable energy systems, such as solar and wind power storage, to stabilize energy output and smooth out power fluctuations.

    Q14: What is the self-discharge rate of the BCAP0003 P300 X11?
    A: The self-discharge rate of the Maxwell BCAP0003 P300 X11 is relatively low, typically around 5% per month. This means that it can hold its charge for extended periods without significant loss, making it reliable for long-term storage applications.

    Q15: How should the BCAP0003 P300 X11 be connected in a circuit?
    A: The Maxwell BCAP0003 P300 X11 is usually connected in parallel with the load circuit to provide rapid power delivery. In some cases, it may be connected in series or in a bank with other capacitors to achieve the desired voltage and capacitance.

    Q16: Does the BCAP0003 P300 X11 require special charging equipment?
    A: The Maxwell BCAP0003 P300 X11 does not require specialized charging equipment but should be charged with a constant current to avoid exceeding its maximum voltage rating. A charge controller or power management system is typically used to ensure safe and efficient charging.

    Q17: What safety precautions should be taken when using the BCAP0003 P300 X11?
    A: When using the Maxwell BCAP0003 P300 X11, it is important to avoid overcharging the capacitor, as exceeding the maximum voltage rating can damage the device. Additionally, the capacitor should not be exposed to temperatures outside of its operating range, and proper circuit protection should be in place to prevent short circuits or excessive current.

    Q18: What are the benefits of using the BCAP0003 P300 X11 over traditional capacitors?
    A: The Maxwell BCAP0003 P300 X11 offers higher energy storage capacity, better power delivery, and longer cycle life compared to traditional capacitors. Its ability to store more energy and deliver it rapidly makes it ideal for high-power applications where conventional capacitors might not provide enough energy.

    Q19: How does the BCAP0003 P300 X11 perform under load?
    A: The Maxwell BCAP0003 P300 X11 performs excellently under load, providing high power output with low energy loss due to its low ESR. This makes it highly efficient for applications that require rapid bursts of energy or consistent power delivery over time.

    Q20: Can the BCAP0003 P300 X11 be used in parallel with other capacitors?
    A: Yes, the Maxwell BCAP0003 P300 X11 can be used in parallel with other capacitors to increase the overall capacitance or power output. When used in parallel, it is important to ensure that the capacitors have similar voltage ratings to prevent imbalance and damage to the components.
    Customer Reviews
    4.95 out of 5.00 stars from 61 customer reviews from all over the world
    Hans-Jürgen Müller
    Germany
    5 stars
    2026-03-26 14:17
    All prima handled, fast shipping, like again, thanks!
    Zé Maria
    Brazil
    5 stars
    2026-03-26 12:10
    Excellent Product, delivery super fast. Recommend to everyone.
    Aino Kallio
    Finland
    5 stars
    2026-03-26 10:13
    Tested and it worked. Everything came.
    Daniel Oliveira
    Brazil
    5 stars
    2026-03-26 08:32
    Great product as ad
    Paula Martínez
    Spain
    5 stars
    2026-03-26 01:49
    Life-long transistors for replacement
    Megan Jenkins
    United States
    5 stars
    2026-03-26 00:28
    The integrates arrived on time! 10 pieces, did not tested yet! I hope it works!