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aluminum electrolytic capacitor CapXon UJ271M450O300AP4 suitable for demanding operating conditions

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aluminum electrolytic capacitor CapXon UJ271M450O300AP4 suitable for demanding operating conditions

Operating Temperature : -40℃~+105℃

Lifetime : 2000hrs@105℃

Capacitance : 270uF

Height - Seated (Max) : 30mm

Voltage Rating : 450V

Diameter : 30mm

Tolerance : ±20%

Description : 270uF 450V ±20% Through Hole,D30xL30mm Aluminum Electrolytic Capacitors RoHS

Mfr. Part # : UJ271M450O300AP4

Model Number : UJ271M450O300AP4

Package : Through Hole,D30xL30mm

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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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