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Scope
This specification describes the characteristics,test methods,and precautions of the ECOLTOLIHC Series (Lithium-ion Hybrid Capacitors).
Basis standard
This product is developed based on ECOLTO internal standards,with reference to:
Product Dimensions
| Series | ΦD (mm) | L (mm) | L1 (mm) | L2 (mm) | Φd (mm) | P (mm) | Weight (g) |
| LIHCC 0613 3R8 10F | 08＋0.5 Max | 20±1.5 | 27±1.0 | 21±1.0 | Φ0.6±0.1 | 3.5±0.5 | ≤2.5 |
Product Technical Index
| Item | Specification | Condition | Note |
| 1 | Operating Temperature | -40°C to 65°C | / |
| 2 | Operating Voltage | 2.5V to 3.8V | / |
| 3 | Nominal Voltage | 3.8V | / |
| 4 | Maximum Charging Voltage | 4.2V | / |
| 5 | Rated Capacitance(@25±3°C) | 40F | Measured between 3.8V and 2.5V |
| 6 | DCR | ≤400mΩ | Measured at 3.8V, 25±3°C, 10 ms |
| 7 | ACR | ≤200mΩ | 1kHz, 3.4V@25±3°C |
| 8 | Continuous Discharge Current | 200mA | / |
| 9 | Pulse Discharge Current (<1 s) | 4.0A | / |
| 10 | Max Charge Current | 300mA | / |
| 11 | Leakage Current | ≤3.0μA | after 72 h at 25°C |
| 12 | Cycle Life | Capacitance retention ≥70% after 250,000 cycles | / |
| 13 | Storage Temperature | 10°C to 40°C | / |
Technical Information
| Item | Project | Properties |
| 1 | High- and low-temperature characteristics | Capacity (-20°C): ≥ 70% of initial measured value Internal resistance (-20°C): ≤ 10 times the initial specified value Capacity retention at +65°C: within ±10% of the initial value Internal resistance at +65°C: within the specified initial value |
| 2 | High temperature and High humidity storage properties | Capacitance: ≥ 70% of the initial measured value Internal resistance: ≤ 2 times the initial specified value |
| 3 | Charge/discharge cycling properties | Capacitance: ≥ 70% of the initial measured value Internal resistance: ≤ 4 times the initial specified value |
| 4 | Floating test at high temperature | Capacitance: ≥ 70% of the initial measured value Internal resistance: ≤ 4 times the initial specified value |
Typical Applications
Smart Metering & Infrastructure: Provides long-term maintenance-free backup power for smart gas, water, and electricity meters requiring prolonged standby life.
IoT & Wireless Communication: Ideal for powering RF, cellular (LTE-M/NB-IoT), and GPS tracking modules that need strong pulse power support during intermittent data transmission bursts.
Industrial Automation: Serves as a reliable energy buffer and peak power supply for industrial sensors, actuators, and remote controllers operating in harsh environments.
Memory Retention & RTC Backup: Acts as a dependable hold-up power source for real-time clocks (RTC), volatile memory cache, and critical system controllers during unexpected main power failure.
Testing conditions
All tests are conducted under standard conditions:
Safety test
The product shall meet general safety requirements for energy storage devices.
No explosion and no fire under standard abuse tests including overcharge, short circuit, thermnal exposure, and mechanical stress.
Product condition before shipment
The capacitor shall be shipped at a voltage range of 3.3V to3.8V.
Packaging
Products are packaged in standard export cartons.
Precautions
Use within specified voltage and temperature range.
Avoid reverse polarity connection.
Avoid excessive heating during soldering to prevent damage to the capacitor.
Avoid mechanical damage and external short circuits.
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