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Scope
This specification describes the characteristics,test methods,and precautions of the ECOLTO SIHC Series (Sodium-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) |
| SIHC 1840 3R0 750F | 18＋0.5 Max | 41±1.5 | 27.5±1.0 | 25.0±1.0 | 0.8±0.1 | 7.5±0.5 | ≤21.0 |
| Item | Specification | Condition | Note |
| 1 | Operating Temperature | -40℃ to 70℃ | / |
| 2 | Operating Voltage | 1.5V~3.6V | / |
| 3 | Nominal Voltage | 3.0V | / |
| 4 | Maximum Charging Voltage | 3.65V | / |
| 5 | Rated Capacitance (@25±3℃) | 380F | Measured between 3.6V and 1.5V |
| 6 | DCR | ≤50mΩ | Measured at 3.6V,25±3℃, 10ms |
| 7 | ACR | ≤25mΩ | 1kHz, 3.4V@25±3℃ |
| 8 | Continuous discharge current | 2.5A | / |
| 9 | Pulse discharge current (＜1s) | 50A | / |
| 10 | Leakage Current | ≤15.0μA | after 72 h at 25°C |
| 11 | Max Charge Current | 5A | / |
| 12 | Cycle Life | Capacitance retention ≥70% after 50,000 cycles | / |
| 13 | Storage Temperature | 10°C to 40°C | / |
| Item | Project | Properties |
| 1 | High-low temperature properties | Capacity(-20℃):≥60%of initial measured value Internal resistance(-20℃): ≤10 times the initial specified value Capacity(+65℃):≥capacity change within 10%of the initial value Internal resistance(+65℃):≤the initial specified value |
| 2 | High temperature and high humidity storage properties | Capacitance: ≥70%of initial measured value Internal resistance: ≤2 times the initial specified value |
| 3 | Charge/discharge cycling properties | Capacitance: ≥70%of initial measured value Internal resistance: ≤4 times the initial specified value |
| 4 | Floating test at high temperature | Capacitance:≥70%of initial measured value Internal resistance:≤4 times the initial specified value |
| 5 | Long-term storage performance | Capacitance:≥90%of initial measured value Internal resistance:≤2 times the initial specified value |
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 3.1V to3.4V.
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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