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Specifications
Operating Temperature:
-40℃~+105℃
Lifetime:
2000hrs@105℃
Capacitance:
270uF
Height - Seated (Max):
30mm
Voltage Rating:
450V
Diameter:
30mm
Tolerance:
±20%
Mfr. Part #:
UJ271M450O300AP4
Package:
Through Hole,D30xL30mm
Key Attributes
Model Number:
UJ271M450O300AP4
Product Description
Product Overview
The CapXon UJ Series Aluminum Electrolytic Capacitors are designed for reliable performance in various industrial applications. These capacitors offer a wide operating temperature range of -40~105C and are built to withstand demanding conditions. Key features include a high ripple current capability, robust construction with a safety vent, and adherence to stringent quality standards like JIS-C-5101-1. They are suitable for applications requiring stable electrical characteristics and long endurance.
Product Attributes
- Brand: CapXon
- Series: UJ Series
- Origin: Shenzhen, China
- Certifications/Standards: JIS-C-5101-1, JIS-C-5101-4, JIS-C-5101-18, RoHS compliant
- Environmental Policy: Free from ozone-depleting chemicals (ODC) under the Montreal Protocol.
Technical Specifications
| Model | Capacitance (F) | Capacitance Tolerance (%) | Rated Working Voltage (VDC) | Surge Voltage (VDC) | Max. D.F. (%) | Ripple Current (120Hz /105) (A) | Max. Leakage Current (A) | Max. ESR (120Hz /20) (m) | Operating Temp. (C) | Case Size (D* L) (mm) | Endurance /105 (Hrs) |
|---|---|---|---|---|---|---|---|---|---|---|---|
| UJ271M450O300A | 270 | -20~20 | 450 | 495 | 20 | 1.33 | 1046 | 980 | -40~105 | 30X30 | 2000 |
Dimension Diagram (Unit=mm)
| D | L | Lead Diameter | Lead Spacing |
|---|---|---|---|
| 30 | 30 | 6 1 | 2.5 0.5 |
Part Number Explanation
| Component | Explanation |
|---|---|
| UJ | Series |
| 271 | Capacitance = 270F |
| M | Capacitance Tolerance = -20~20% |
| 450 | Voltage = 450V |
| 300 | Case Diameter = 30mm |
| A | Case Length = 30mm |
Marking Description
| Example | Description |
|---|---|
| CapXon | Brand |
| 450V | Rated Voltage |
| 270F | Nominal Capacitance |
| *-NEG | Polarity (Cathode Indicate) |
| 105 | Maximum Operating Temp. |
| UJ | Series |
| VENT | Safety Vent |
Technical Performance - Testing Environment
| Condition | Temperature (C) | Humidity (%) | Air Pressure (KPa) |
|---|---|---|---|
| Standard Room | 20 1 | 63 ~ 67 | 86 ~ 106 |
| General Use | 25 10 | 40 ~ 60 | 86 ~ 106 |
Technical Performance - Test Items
| NO. | Item | Conditions and Criterion |
|---|---|---|
| 1 | Range of working temperature | -40~105 () |
| 2 | Capacitance | Conditions: Temp: 202, Frequency: 120Hz, Voltage: 0.5Vrms. Criterion: Tolerance: -20~20%. |
| 3 | Dissipation factor (tan) | Conditions: Temp: 202, Frequency: 120Hz, Voltage: 0.5Vrms. Criterion: See Table 1. |
| 4 | Leakage Current | Conditions: Rated voltage applied for 5 min with a 100010% protective resistor. Criterion: I3* CV (). |
| 5 | Terminal strength | Tensile strength: See table. Bending strength: See table. Criterion: Terminal should not be loose, breakage and bad connected. |
| 6 | Temperature characteristic | Testing when thermal equilibrium. Criterion: 1. Impedance ratio shall not exceed Table 2. 2. Leakage current Shall not more than 800% of initial specified value. |
| 7 | High temperature load | Conditions: Temp: 105, Applied voltage: Rated DC working voltage, Test time: 2000 H. Criterion: 1. Capacitance Change Rate: C/C 10% of initial value. 2. Dissipation Factor: DF 130% of specified value. 3. Leakage Current: LC specified value. 4. Appearance: No visible damage. |
| 8 | High Temperature Exposure (Storage) | Conditions: Temp: 105, Applied voltage: None, Test time: 1000H. Criterion: 1. Capacitance Change Rate: C/C 10% of initial value. 2. Dissipation Factor: DF 130% of specified value. 3. Leakage Current: LC specified value. 4. Appearance: No visible damage. |
| 9 | Surge Test | Conditions: Temp: 15~35, Applied voltage: 495V, Period: Charge 30s, discharge 330s. Cycles: 1000. Criterion: 1. Capacitance Change Rate: C/C 15% of initial value. 2. Dissipation Factor: DF Original Spec value. 3. Leakage Current: LC original Spec value. 4. Appearance: No visible damage. |
| 10 | Vibration | Conditions: Frequency 10~55Hz, Amplitude 0.75mm, Acceleration 98 m/s2. Time: X, Y, Z directions each for 2 Hrs, total 6 Hrs. Criterion: 1. Capacitance Change Rate: C/C 5% of initial value. 2. Dissipation Factor: DF Original Spec value. 3. Leakage Current: LC original Spec value. 4. Appearance: No visible damage. |
| 11 | Solderability | Conditions: Solder: Sn96.5%Ag3%Cu0.5%, Temp: 2455, Immerse time: 2.00.5S. Criterion: Above 95% area of surroundings surface shall be covered by the new soldering. |
| 12 | Resistance to soldering heat | Conditions: Solder: Sn96.5%Ag3%Cu0.5%, Temp: 2600~3, Immerse time: 101S. Criterion: 1. Capacitance Change Rate: C/C 5% of initial value. 2. Dissipation Factor: DF Original Spec value. 3. Leakage Current: LC original Spec value. |
| 13 | Vent (For products with vent requirement) | Conditions: Reverse Voltage: 80V or Over Voltage: 1.5 Rated voltage. Criterion: When the pressure relief vent operated, there shall be no explosion, flash, flame, spark or fire. |
| 14 | Temperature Cycling | Conditions: Per JIC-5101-1 (2010) No:4.16, 10 cycles. Criterion: 1. Capacitance Change Rate: C/C 5% of initial value. 2. Dissipation Factor: DF Original Spec value. 3. Leakage Current: LC original Spec value. 4. Appearance: No visible damage. |
| 15 | High temp and humidity | Conditions: Temp: 402, Humidity: 90~95%RH, Maintained Time: 250H. Criterion: 1. Capacitance Change Rate: C/C 20% of initial value. 2. Dissipation Factor: DF 1.2 times of the original Spec. value. 3. Leakage Current: LC original Spec value. 4. Appearance: No visible damage. |
Characteristics Table 1: Dissipation Factor (D.F.)
| W.V. (V) | D.F. (%) max |
|---|---|
| 200~420 | 15 |
| 450~550 | 20 |
Characteristics Table 2: Impedance Ratio
| VR (V) | Z-25/ Z20 (max) | Z-40/ Z20 (max) |
|---|---|---|
| 200~250 V | 3 | 7 |
| 315~450 V | 5 | 10 |
| 500 V~550 V | 6 | - |
Characteristics Table 3: Multiplier for Ripple Current vs. Frequency
| VR(V)/Frequency(Hz) | 50(60) | 120 | 300 | 1K | 10K | 50K-100K |
|---|---|---|---|---|---|---|
| 160VR250 | 0.81 | 1 | 1.17 | 1.32 | 1.45 | 1.5 |
| 315VR600 | 0.77 | 1 | 1.16 | 1.30 | 1.41 | 1.43 |
Disclaimer:
- Specifications and descriptions are subject to change without notice.
- Operating conditions may affect capacitor lifetime; consult Capxon for lifetime calculations.
- For aerospace, military, life-saving, or life-sustaining applications, please consult Capxon before design-in.
- Capxon does not warrant suitability for specific applications; it is the buyer's duty to ensure product suitability.
- Capxon disclaims all other warranties, express or implied.
- Further information is available on www.capxongroup.com.
2504101957_CapXon-UJ271M450O300AP4_C42458890.pdf
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