Product Overview
This product specification is adapted to CD281L series Aluminum Electrolytic Capacitors produced by Nantong Jianghai Capacitor Co.,Ltd. These capacitors are designed for a wide operating temperature range of -55 to +105.
Product Attributes
- Brand: (Nantong Jianghai Capacitor Co.,Ltd)
- Origin: China
- Product Series: CD281L Series
Technical Specifications
| Customer P/N | Jianghai P/N | Rated Voltage UR(V) | Nominal Capacitance CAPuF | Capacitance Tolerance (%) | tg (%, 20 120Hz) | Leakage Current A 20/2min. | Life Hr 105 | Rated Ripple Current (mArms,105 100KHz) | Dimensions DXL (mm) |
| - | ECR1ELH470MLL050011E | 25 | 47 | 20 | 14 | 23.5 | 5000 | 175 | 5*11.5 |
Part Number Explanation
ECR 1E LH 470 M LL 050011 E
- (Radial)
- (Rated voltage): 25
- (Series): CD281L
- (Nominal Capacitance): 47
- (Capacitance Tolerance): 20%
- (Lead Form): (Long lead)
- (Size): 5*11.5
- (Sleeve): PET
Operating Temperature Range
-55+105
Surge Voltage
| Rated voltage (V) | Surge voltage (V) |
| 6.3 | 7.2 |
| 10 | 13 |
| 16 | 20 |
| 25 | 32 |
| 35 | 44 |
| 50 | 63 |
| 63 | 79 |
| 80 | 100 |
| 100 | 125 |
Capacitance Range
0.47uF - 15000uF
Marking (Example: CD281L 50V470)
| Item | Description |
| 1 | Brand |
| 2 | Products series |
| 3 | High temperature |
| 4 | Year code |
| 5 | Rated voltage |
| 6 | Capacitance |
| 7 | Polarity (For D10mm products, the negative pole is marked as ) |
| 8 | Capacitance Tolerance (For D8mm products, the capacitance tolerance position is adjusted after the high temperature) |
Dimensions
| D | 5.0 | 6.3 | 8.0 | 10.0 | 12.5 | 16.0 | 18.0 | 20 | 20 | 22 | 25 |
| F | 2.0 | 2.5 | 3.5 | 5.0 | 5.0 | 7.5 | 7.5 | 7.5 | 10 | 10 | 12.5 |
| d | 0.5 | 0.5 | 0.6 | 0.6 | 0.6 | 0.8 | 0.8 | 0.8 | 0.8 | 1.0 | 1.0 |
| 1.5 | 1.5 | 1.5 | 2.0 | 2.0 | 2.0 | 2.0 | 2.0 | 2.0 | 2.5 | 3.0 |
Ripple Current Multiplier
Frequency Coefficients
| Rated Voltage(v) | Freq(Hz) | 50.60 | 120 | 1K | 10K | 100K |
| 6.3100 | 0.47~4.7 | -- | 0.4 | 0.68 | 0.78 | 1.0 |
| 5.6~47 | -- | 0.5 | 0.76 | 0.87 | 1.0 | |
| 56~270 | -- | 0.7 | 0.85 | 0.93 | 1.0 | |
| 330~1000 | -- | 0.8 | 0.93 | 0.98 | 1.0 | |
| 1200~15000 | -- | 0.9 | 0.95 | 1.0 | 1.0 |
Temperature Coefficients
| Temperature | +70 | +85 | +105 |
| Factor | 1.96 | 1.68 | 1.0 |
Construction Diagram and Material List
Material Table
| NO | Parts | Material | Supplier | NO | Parts | Material | Supplier |
| 1 | Case | Aluminum | 6 | Cathode Foil | Aluminum | K-JCC | |
| 2 | Rubber Plug | Synthetic rubber | 7 | Tape | Polypropylene | ||
| 3 | Terminal | Aluminum + CP wire | 8 | Sleeve | PVC | ||
| 4 | Anode Foil | Aluminum | JCCKDK | 9 | Electrolyte | Organic Solvent | |
| 5 | Separator | Electrolytic Capacitors paper | NKK |
Specifications
Maximum permissible ripple current
Temperature1052
VoltageDC. Voltage + peak ripple voltage Rated voltage
Surge Voltage
The capacitor shall be subjected to 1000 cycles at a temperature specified below, each consisting of a charge period of 305s, followed by a discharge period of approx 5min.30 s. And the capacitor shall be stored 1-2 hours under standard atmospheric conditions to obtain thermal stability , after which measurement shall be made.
Test voltage: see 3
Test Temperature : 1530
Capacitance (Tolerance)
Measuring frequency : 120 HZ
Measuring voltage : 0.5Vrms or less
DC bias voltage : +1.52.0 V DC
Capacitance Tolerance 20%
Tangant of angle (tg)
Measurement shall be made under the same conditions as those given for the measurement of capacitance
Leakage Current
6.3--100WVLess than 0.02CV or 3uA whichever larger (2min)
CNominal Capacitance (uF)
VRated voltage (V)
The rated voltage shall be applied across the capacitor and its protective resistor which shall be 100010.The leakage Current shall then be measured after an electrocution period of 2min.
Characteristic at High and low temperature
The capacitor shall be subjected in turn to the procedures specified below.
| Step | Temperature | Time | Measurement |
| 1 | 202 | Thermal stability | Capacitance, Dissipation Factor and impedance |
| 2 | -553 | *2 hours | Capacitance, Dissipation Factor and impedance (after thermal stability) |
| 3 | 202 | Thermal stability | Capacitance, Dissipation Factor and impedance |
| 4 | 1052 | 2* hours | Capacitance change (within 0+20% of step 1), Leakage Current (Less than 500% of the specified value), impedance ratio (refer to No 9.10) (after thermal stability) |
| 5 | 202 | Thermal stability |
Pressure relief
A.C. test
Applied voltage: A.C. voltage not exceeding 0.7 times the rated Direct voltage or 250V AC whichever is the lower.
Frequency: 50 HZ or 60 HZ
The pressure relief device shall open in such a way as to avoid any danger of fire or explosion of Capacitor elements .
D.C. test
Reversed polarity D.C. rated voltage shall be applied to the capacitor, the DC current shall be limited to be 1A.
Note: 1. This requirement applies to capacitors with a diameter of 6mm or more. 2. When the pressure relief device does not open even 30 minutes after commencement of this test, the test may be ended. 3. Either of the above test method could be selected in the test.
Load life
The capacitor shall be placed in a circulating air oven at an ambient temperature of 1052. DC voltage and the rated ripple current shown in table shall be applied for a period of time shown as below. The sum of the DC voltage and peak AC voltage must not exceed the full rated voltage of the capacitor. It shall be subjected to standard atmospheric for 16 hours, after which measurement shall be made.
| Rated Voltage | 5~6.3 | 8~10 | 12.5~18 | 25 |
| 6.3V~10V | 4000h | 6000h | 8000h | |
| 16V~100V | 5000h | 7000h | 10000h |
Criteria after test:
Leakage current : Initial specified value
Capacitance change : Within 20% of initial value
Dissipation factor : 200% of initial specified value
Bottom bulging is accepted within limits.
Shelf life
Temperature: 1052
Time: 1000+36 hours
Condition: The DC rated voltage shall be applied across the capacitor and its protective resistor (1Kfor 30 minutes, The capacitor shall then be stored under standard Atmospheric conditions for 24 - 48 hours.
Criteria after test:
Leakage current : Initial specified value
Capacitance change : Within 20% of initial value
Dissipation factor : 200% of initial specified value
Impedance stability
| Rated voltage ( V ) | 6.3 | 10 | 16 | 25 | 35 | 50 | 63 | 80 | 100 |
| Impedance (120Hz) Z -55/+20 | 3 |
Solder ability
Solder press time: 20.5s
Solder temperature: 2455
At least 95% of Circumferential surface of the dipped portion of termination shall be covered with new solder
Resistance to soldering heat
Test Temperature: 260 5
Test time: 101s
Leakage Current :Not more than the specified value
2509291355_Nantong-Jianghai-Capacitor-ECR1ELH470MLL050011_C233114.pdf
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