SDB

Short Description:

◆Roll-wound 3.0V standard product

◆70℃ 1000-hour lifespan

◆High energy, high power, high voltage, long charge/discharge cycle life

◆Compliant with RoHS and REACH directives


Product Detail

list of products number

Product Tags

Main Technical Parameters

Item Characteristic
Operating Temperature Range -40~+70℃
Rated Operating Voltage 3.0V
Nominal Capacity Range 1.0F~160F
Room Temperature Capacity Deviation -10%~+30%(25℃)
High-Temperature Load Life After continuously applying the rated voltage at the rated temperature for 1000 hours, return to 25℃ for testing; meet the following requirements: capacity change ΔC < 30% of the initial value, internal resistance < 4 times the initial value
Steady-State Humid Heat Life Under 40℃ and 90%~95%RH, continuously apply the rated voltage for 240 hours, then return to 25℃ for testing; meet the following requirements: capacity change ΔC < 30% of the initial value, internal resistance < 4 times the initial value
Self-discharge Characteristics After constant current charging to the rated voltage, charge at constant voltage for 8 hours, then let stand with the circuit open for 24 hours. The residual voltage is greater than 80% of the rated voltage.
Cycle Life for Charge and Discharge At 25℃, use constant current to make the capacitor cycle charge and discharge between 3.8V-2.5V for 50,000 times; meet the following requirements: capacity change ΔC < 30% of the initial value, internal resistance < 4 times the initial value
Optimal Storage Environment -10℃~40℃, below 60%RH

Product Dimensional Drawing

L≤6

a=1.5

L>16

a=2.0

 

D

8

10 12.5

16

18

22

d

0.6

0.6 0.6

0.8

0.8

0.8

F

3.5

5 5

7.5

7.5

10

Leading the Energy Storage Revolution: YMIN SDB Series Electric Double-Layer Supercapacitors, Born for Ultimate Performance and Reliable Applications

In today's era of pursuing efficient and sustainable energy solutions, an advanced device that combines the energy storage capacity of batteries with the charging and discharging speed of traditional capacitors is increasingly becoming a core technology – the electric double-layer supercapacitor (EDLC).

As a leading global manufacturer of electronic components, YMIN Electronics, leveraging its strong R&D capabilities and sophisticated manufacturing processes, has launched the SDB series of radial leaded electric double-layer supercapacitors (EDLCs). This series is not merely a collection of technical parameters, but an engineering masterpiece designed for complex and demanding application scenarios, aiming to provide engineers and product designers across various industries with powerful, stable, and durable energy storage solutions.

I. In-Depth Analysis: The Core Technology of the SDB Series Electric Double-Layer Supercapacitors

The superior performance of the YMIN SDB series electric double-layer supercapacitors stems from its comprehensive optimization, from materials science to structural design.

1. Robust and Durable Basic Design:

The SDB series uses a standard 3.0V rated voltage, providing a solid foundation for the safe and stable operation of individual cells. Its "wire-wound" internal structure ensures a large electrode surface area, resulting in high capacitance per unit volume. The product operates over a wide temperature range of -40℃ to +70℃, handling both harsh northern winters and sustained high temperatures within equipment with ease, ensuring no performance degradation.

2. Rigorous and Stringent Quality Standards:

YMIN has an almost obsessive pursuit of product reliability. This is reflected in a series of stringent technical parameters:

• Durability: At +70℃, after 1000 hours of continuous application of the rated voltage, the capacitance change rate remains within ±30% of the initial value, and the internal resistance (ESR) increase is less than four times the initial standard. This means that the product maintains its core performance even under long-term high-temperature and high-pressure conditions.

• High-Temperature Storage Characteristics: Even under no-load conditions, after 1000 hours of storage at +70°C, its performance remains stable, with parameter changes consistent with durability testing requirements. This ensures long-term reliability during warehousing, transportation, and even equipment standby.

• Moisture Resistance: In a humid environment with a temperature of +25°C and relative humidity up to 90%, after 500 hours of continuous operation, the capacitance change rate is within ±30%, and the ESR increase is less than three times the initial standard. This characteristic makes it particularly suitable for outdoor electronic devices, automotive electronics, and other scenarios susceptible to moisture.

3. Refined Product Matrix:

The SDB series offers a wide capacitance range from 1 farad to 160 farads, and various sizes from 8mm to 22mm in diameter (such as SDB3R0L1050812, SDB3R0L1672255, etc.). This refined product layout allows engineers to make precise model selections based on project space constraints and energy requirements, achieving the optimal performance-to-volume ratio.

II. Beyond Parameters: The Core Value of the SDB Series in Practical Applications

Technical parameters are cold and impersonal, but their value in solving real-world problems is vibrant and dynamic. The true power of the YMIN SDB series double-layer supercapacitors lies in how they transform technological advantages into practical application value.

Application Scenario 1: Energy Recovery and Storage Systems – “Energy Catchers” Turning Waste into Treasure

In today's advocacy for green energy, the efficient recovery of wasted energy is crucial. The SDB series double-layer supercapacitors, with their high power density and extremely fast charge/discharge speeds, are ideal for energy recovery systems.

• Typical Case: Regenerative Braking Systems for Electric Vehicles. When a car brakes, a large amount of instantaneous energy is generated. Traditional batteries struggle to absorb this energy quickly, resulting in significant waste. The SDB double-layer supercapacitor can efficiently capture this energy within seconds and release it instantly during vehicle start-up or acceleration, effectively improving energy utilization efficiency, extending battery life, and increasing driving range.

• Industrial Applications: Similarly, significant potential energy is wasted during the descent of large equipment such as cranes and elevators. Adding an SDB series double-layer supercapacitor system can recover this energy for grid compensation or equipment use, significantly reducing operating costs.

Application Scenario Two: Power Assist and Peak Power Compensation – Powerful Backup in Critical Moments

Many applications require equipment to provide peak power far exceeding average levels for short periods, posing a significant challenge and drain on ordinary batteries.

• Typical Case: Car Cold Start. In cold environments, car battery voltage drops, making starting difficult. Adding an SDB double-layer supercapacitor bank can provide a powerful burst current at startup, ensuring successful engine ignition on the first attempt and effectively protecting the battery, especially suitable for diesel vehicles and cold regions.

• Industrial Equipment and Communication Base Stations: When large motors start or base station equipment needs to process a large number of signals simultaneously, extremely high instantaneous power demands are generated. SDB double-layer supercapacitors can act as a "power buffer," smoothing grid surges, compensating for peak power, ensuring stable operation of the main power system, and preventing voltage drops from causing equipment restarts or shutdowns.

Application Scenario 3: Consumer Electronics and Smart Devices – The Uninterrupted “Invisible Guardian”

In the consumer electronics field, the SDB series enables miniaturization, intelligence, and high reliability of products.

• Typical Cases: Smart meters, water meters. Remote meter reading or valve control requires instantaneous high current for communication or motor drive. Built-in batteries cannot meet such peak demands. SDB double-layer supercapacitors can slowly charge under normal conditions and instantly discharge during task execution, ensuring accurate command execution while guaranteeing that the device can still complete critical operations even after the battery is depleted.

• Smart Home: For example, in advanced video doorbells, power consumption increases dramatically when someone rings the doorbell, requiring high-definition video recording and communication. SDB double-layer supercapacitors can serve as backup power, ensuring no power outages or blackouts during power switching, improving the user experience.

Application Scenario 4: Specialized Fields with High Reliability Requirements – A Stable and Reliable “Energy Cornerstone”

In military, aerospace, and medical equipment fields, the reliability of energy supply is crucial to life safety and national interests.

• Typical Case: Military Equipment In complex systems such as submarines, warships, and fighter jets, double-layer supercapacitors are used to provide instantaneous power backup for critical subsystems (such as radar and communication equipment), ensuring uninterrupted power supply to critical equipment during main power switching in emergencies. The SDB series' excellent temperature adaptability, long lifespan, and high reliability fully meet the requirements of such demanding applications.

• Industrial Safety and Backup: In systems such as PLCs (Programmable Logic Controllers) and server memory, SDB double-layer supercapacitors can serve as data backup power sources. In the event of a main power failure, they provide valuable time for the system to save critical data. Their long lifespan avoids the maintenance costs and safety risks of frequent battery replacements.

III. Choosing the YMIN SDB Series: Choosing a Commitment and Guarantee

YMIN Electronics is not just a manufacturer, but a trustworthy partner. Choosing the SDB series means you will receive:

• Superior Quality: All products comply with RoHS and REACH environmental directives, reflecting the company's responsibility to the environment and user health.

• Technical Support: YMIN has a professional technical team that can provide customers with comprehensive technical support from selection to application, helping customers optimize their design solutions.

• Stable Supply: Strong manufacturing capabilities and a comprehensive supply chain system ensure a continuous and stable supply of products for our customers.

Conclusion

YMIN's SDB series double-layer supercapacitors, with their solid technical foundation, superior product performance, and wide application adaptability, perfectly embody the trend that "double-layer supercapacitors are the leaders in future energy storage." They are not merely simple electronic components, but key engines that empower product innovation, improve system efficiency, and promote energy-efficient utilization. In today's global wave of energy transformation and intelligentization, YMIN Electronics is willing to join hands with partners from all sectors to explore the infinite possibilities of double-layer supercapacitor technology and contribute to building a more efficient, reliable, and greener future world.


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  • Series Rated Voltage (V) Capacitance (F) Product Dimensions ΦD×L (mm) ESR (mΩ/20℃, 1kHz) Leakage Current at 72h (μA) Continuous Current (A) Peak Current (A) Stored Energy (J) Product Number
    SDB 3 1 8×11.5 240 3 0.28 1.1 4.5 SDB3ROL1050812
    3 2 8×13 160 4 0.55 2.03 9 SDB3ROL2050813
    3 3.3 8×20 100 6 0.9 3.31 14.9 SDB3ROL3350820
    3 3.3 10×13 100 6 0.9 3.31 14.9 SDB3ROL3351013
    3 5 10×20 80 10 1.34 4.69 22.5 SDB3ROL5051020
    3 7 10×20 80 14 1.8 5.71 31.5 SDB3ROL7051020
    3 10 10×25 70 20 2.48 7.32 45 SDB3ROL1061025
    3 10 12.5×20 60 20 2.54 7.89 45 SDB3ROL1061320
    3 15 12.5×25 50 30 3.67 10.59 67.5 SDB3ROL1561325
    3 20 12.5×30 40 40 4.84 13.64 90 SDB3ROL2061330
    3 25 16×25 30 50 6.12 17.65 112.5 SDB3ROL2561625
    3 30 16×25 30 60 7.09 19.15 135 SDB3ROL3061625
    3 35 16×35 28 70 8.11 21.26 157.5 SDB3ROL3561635
    3 40 18×40 26 80 9.15 23.44 180 SDB3ROL4061840
    3 50 18×40 24 100 11.03 26.79 225 SDB3ROL5061840
    3 60 18×40 22 120 12.89 30.2 270 SDB3ROL6061840
    3 70 18×50 20 140 14.79 33.87 315 SDB3ROL7061850
    3 100 22×45 18 160 19.48 40.54 450 SDB3ROL1072245
    3 120 22×50 16 180 22.84 46.39 540 SDB3ROL1272250
    3 160 22×55 14 200 28.71 55.05 720 SDB3ROL1672255
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