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Specifications
Lifetime:
2000hrs@105℃
Operating Temperature:
-25℃~+105℃
Capacitance:
33uF
Height - Seated (Max):
20mm
Voltage Rating:
450V
Pin Spacing:
5mm
Diameter:
12.5mm
Ripple Current:
220mA@120Hz
Tolerance:
±20%
Mfr. Part #:
33uF450V12.5x20KM
Package:
Through Hole,D12.5xL20mm
Key Attributes
Model Number:
33uF450V12.5x20KM
Product Description
Product Overview
The Hubei Milang Xingchuang Electronics Co., Ltd. offers an Aluminum Electrolytic Capacitor, specifically the KM series. This capacitor is designed for various electronic applications requiring stable and reliable performance. Key features include a wide working temperature range and specific electrical characteristics suitable for demanding environments.
Product Attributes
- Brand: MILANG XINGCHAUNG
- Origin: Hubei, China
- Product Type: Aluminum Electrolytic Capacitor
- Series: KM
- Certifications: RoHS
- Color: Black with white lettering (PET sleeve)
Technical Specifications
| Part Number | Series | CAP.(uF) | WV(V) | SIZE (D x L) | Tolerance | D.F/120HZ | LC(uA)60s | 100KHz() | life(Hrs) | R.C.mA120Hz 105 | surge voltage | Sleeve | Working Temperature () |
| KM | KM | 33.0 | 450 | 12.5 X 20 | -20%+20% | 17 | 445.5 | / | 2000 | 220 | 500 | Black bottom white PET | -25+105 |
Ripple Current Multiplier
| Freq | CAP10 | 10CAP100 | 100CAP1000 | CAP1000 |
| 50Hz/60Hz | 0.80 | 0.80 | 0.80 | 0.80 |
| 120Hz | 1.00 | 1.00 | 1.00 | 1.00 |
| 1KHz | 1.45 | 1.36 | 1.25 | 1.17 |
| 10KHz | 1.65 | 1.48 | 1.35 | 1.25 |
| 50100KHz | 1.70 | 1.53 | 1.38 | 1.28 |
Ripple Current Multiplier vs Temperature
| Temperature() | 45 | 60 | 70 | 85 | 105 |
| Multiplier | 2.10 | 1.90 | 1.40 | 1.25 | 1.00 |
Marking Details
| Item | Content |
| 1. | Company Logo |
| 2. | Capacitance and Rated Voltage |
| 3. | Polarity bar |
| 4. | Series |
| 5. | Operating Temperature Range and Capacitance Tolerance |
| 6. | RoHS |
| 7. | Production Date (e.g., 2502 for Feb 2025) |
| 8. | Sleeve Material |
Test Items
| NO | Test Item | Conditions | Specifications |
| 1 | Maximum permissible ripple current | Temperature:1052, Voltage:DC.Voltage+peak ripple voltageRated voltage, Ripple frequency: 120Hz | Refer to table |
| 2 | Surge | Temperature:1052, "ON" position : 30 seconds, "OFF" position :5 minutes 30 seconds. Duration 1000 cycles | 1.No electrical or mechanical damage. 2.Capacitance change within 15%. 3.D.F.smaller than specification volue. 4.Leakage current smaller than specification volue. |
| 3 | Temperature Cycle | One Cycle Temperature(): Rated low category temperature3 (303) to 25 (3MAX) and back. Total number of cycles: 5 | 1.No appearance defect. 2.Capacitance change within 5% 3.D.F.smaller than specification value. 4.Leakage current smaller than specification value. |
| 4 | Resistance to Soldering Heat | Warm up time :1202 seconds to reach 1202, Solder bath temperature: 2605. Sn-96.5%, Ag-3.0%, Cu-0.5%. Immersion depth: 1.5 to 2.0mm. Immersion duration: 101 seconds | 1.No appearance defect. 2.Capacitance change within 5% 3.D.F.smaller than specification value. 4.Leakage current smaller than specification value. |
| 5 | Solder Ability | Solder bath temperature: 2355. Sn-96.5%. Immersion depth: 1.5 to 2.0mm. Immersion duration: 101 seconds | A minimum of 95% the immersed surface is to be coated with the new solder |
| 6 | Low Temperature Characteristics(Max. Impedance Ratio) | working Voltage (v): 6.3 to 450 | Impedance Z(-40)/Z(+20): 3 to 8. Impedance Z(-25)/Z(+20): 3 to 8. |
| 7 | High Humidity storage | Temperature:402, Relative humidity :90 to 95%, Duration 2408 hours | 1.No electrical or mechanical damage. 2.Capacitance change within 15%. 3.D.F.smaller than specification volue. 4.Leakage current smaller than specification volue. |
| 8 | Vent | Capacitor diameter Less than 22.4mm: Applied current(A) 1, Minutes within 30. Capacitor diameter More than 22.5mm: Applied current(A) 10, Minutes 9. | There shall be no explosion,flash,flame,spark or fire from the capacitor during or after the test,nor shall there be expulsion of any metal from the casing |
| 9 | Terminal strengthTensile test intensity/winding intensity | Tensile test intensity: Diameter of terminal(mm) 0.5d0.8, Tensile Strength(N) 10, continued time 101sec. Diameter of terminal(mm) 0.8d1.25, Tensile Strength(N) 20, continued time 101sec. Winding intensity: Diameter of terminal(mm) 0.5d0.8, winding Strength(N) 5, Awl quality 0.51kg. Diameter of terminal(mm) 0.8d1.25, winding Strength(N) 10, Awl quality 1.02kg. | 1.No electrical or mechanical damage. 2.No appearance damage. |
| 10 | Vibration | Frequency range : 10 Hz to 55 Hz, Amplitude :1.5 mm. Cycle definition:10Hz to 55 Hz and back to 10Hz. Cycle duration :1 minute. Duration :2 hours per direction (3directions) | 1.No electrical or mechanical damage. 2.No appearance damage. |
| 11 | Endurance | Capacitors are placed in an oven and applied voltage for 2000 hours at 105. After being restored to 25, capacitors shall meet the specifications. | 1.Capacitance change within 20% of the initial value. 2.D.F.change within 200% of the specified value. 3.Leakage current smaller than specification value. |
| 12 | Shelf Life | Capacitors are placed in an oven for 1000 hours at 105 without applying rated working voltage. After being restored to 25, capacitors shall meet the specifications. | 1.Capacitance change within 20% of the initial value. 2.D.F.change within 200% of the specified value. 3.Leakage current within 200% of the specification value. |
Packing
| Type | Details |
| Bulk Packing | For long lead and short lead. Outer box dimensions (L x W x H): 420x327x270mm. |
| Taped Packing | Standard packaging. Each outer box contains 10 inner boxes. Inner box dimensions (L x W x H): 345x235x55mm. Outer box dimensions (L x W x H): 490x355x295mm. |
| Box Packing | (Details not fully specified in source) |
Storage Conditions
| Parameter | Condition |
| Storage Temperature | 35 |
| Storage Humidity | 75RH% |
| Shelf Life | One year (recharging required after one year) |
2507111630_Econd-33uF450V12-5x20KM_C49332784.pdf
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