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Ruggedized Flatpack Aluminum Electrolytic Capacitors Cornell Dubilier Electronics MLPS303M020EB0C Rated 105C

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Ruggedized Flatpack Aluminum Electrolytic Capacitors Cornell Dubilier Electronics MLPS303M020EB0C Rated 105C

Description : Aluminum Electrolytic Capacitors RoHS

Mfr. Part # : MLPS303M020EB0C

Model Number : MLPS303M020EB0C

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Product Overview

The Cornell Dubilier MLPS/MLPSR series offers 105C Flatpack ultra-long-life, very low-profile aluminum electrolytic capacitors. Designed for high capacitance density in a compact form factor, these capacitors feature laser-welded seals and rugged construction for enhanced reliability and longevity. They are ideal for demanding applications including ruggedized, commercial, and military-grade power supplies. These capacitors have been rigorously tested to 10,000 hours at rated voltage and ripple current at 105C, providing military-grade performance optimized for high-temperature environments. Key advantages include excellent capacitance retention at low temperatures and resistance to "dry-out" compared to conventional electrolytics.

Product Attributes

  • Brand: CDM Cornell Dubilier
  • Type: Flatpack Aluminum Electrolytic Capacitors
  • Temperature Rating: 105 C
  • Lead-Free Version: Available
  • Terminals (MLPS): Copper wire with 60/40 tin/lead electroplate, 20 amps max
  • Terminals (MLPSR): Copper wire with brite tin electroplate, 20 amps max
  • Case Material: Aluminum with stainless steel sleeve
  • Insulation Options: Bare can, Polyester
  • Mounting Styles: Various options including straight leads with mounting tabs, 4 leads no mounting tabs, straight leads no mounting tabs, hook leads with mounting tabs, hook leads no mounting tabs.

Technical Specifications

Specification Value
Operating Temperature Range -55 C to 105 C
Nonoperating Temperature Range -65 C to 105 C
Rated Voltage Range 7.5 Vdc to 450 Vdc
Capacitance Range 120 F to 51,000 F
Capacitance Tolerance 20%
Leakage Current (5 min @ Rated Voltage) 0.002 * C * V (A)
DC Life Test 10000 Hours @ 105C at Max Rated VDC
Endurance Life Test 10000 Hours @ 105C at Rated Ripple Load
Shelf Life Test 500 Hours @ 105C; ~5 years @ 40 C
Vibration Resistance (Non-HV) Up to 10 g (peak)
Vibration Resistance (HV Option) Up to 20 g (peak)
High Reliability Burn-in 48 hrs @ Vr, 105 C
Capacitance Retention at -55 C Excellent
Maximum Lead Current Capability 20 Arms
Maximum Core Rise (Not Heatsinked) 20 C

Model Specific Data (Examples)

Part Number Capacitance (F) Rated Voltage (Vdc) ESR Max @ 120Hz 25C (m) ESR Max @ 20KHz 25C (m) Ripple Current @ 105C 120Hz (Arms) Ripple Current @ 105C 20KHz (Arms) Surge Vdc Height (in) Width (in) Length (in)
MLPS203M7R5EK0C 20000 7.5 60 53 1.76 1.96 10 0.60 1.81 1.50
MLPS513M7R5EB0C 51000 7.5 27 24 3.33 3.71 10 0.60 1.81 3.00
MLPS123M020EK0C 12000 20 62 54 1.74 1.93 25 0.60 1.81 1.50
MLPS301M450EB0C 300 450 652 450 0.69 1.11 500 0.60 1.81 3.00

Frequency & Temperature Multipliers (Air Cooled, No Heatsink)

Frequency (Hz) Frequency Multipliers Ambient Temperature (C) Temperature Multipliers
50 60 120 360 1000 20000 45 55 65 75 85 95 105
0-50 0.83 0.82 1.00 1.02 1.05 1.06 0-50 4.00 4.00 3.95 3.50 3.00 2.25 1.00
51-100 0.79 0.81 1.00 1.06 1.14 1.15 51-100 4.10 4.10 4.05 3.60 3.00 2.25 1.00
101-200 0.75 0.78 1.00 1.10 1.28 1.34 101-200 4.30 4.30 4.20 3.70 3.10 2.30 1.00
201-300 0.70 0.72 1.00 1.10 1.32 1.39 201-300 4.00 4.00 3.95 3.50 3.00 2.25 1.00
301-450 0.71 0.73 1.00 1.07 1.22 1.29 301-450 4.00 4.00 3.95 3.50 3.00 2.25 1.00

Ripple Current Multipliers (Air Velocity, No Heatsink)

Air Velocity (m/sec) Ripple Current Multiplier (Bare Case) Ripple Current Multiplier (PE Sleeved)
0.25 1.00 1.00
1.00 1.18 1.16
2.50 1.37 1.35
5.00 1.51 1.50

Part Numbering System

MLPS/MLPSR - [Capacitance Code] [Tolerance Code] [Rated Voltage Code] [Case Code] [Insulation Code] [Mounting Style Code] [HV Option] [HR Option]

  • Type: MLPS (60/40 tin/lead plating), MLPSR (Lead free plating)
  • Capacitance Code: e.g., 100 = 10 F, 101 = 100 F, 272 = 2700 F
  • Tolerance Code: M = 20%
  • Rated Voltage Code: e.g., 200 = 200 Vdc
  • Case Code: EK, EA, EH, EB (refer to dimensions)
  • Insulation Code: 0 = Bare, 1 = Polyester
  • Mounting Style Code: A, B, C, D, E (refer to details)
  • HV: High Vibration (Optional)
  • HR: High Reliability (Optional)

Case Codes and Dimensions

Case Code Height (in) Width (in) Length (in)
EK 1.81 0.60 1.50
EA 1.81 0.60 2.00
EH 1.81 0.60 2.50
EB 1.81 0.60 3.00

Heatsinked Ripple Current Application

Thermal resistance (TCHS Core to Heatsink) varies by case length. Frequency & Temperature Multipliers are available for heatsinked applications.

Low Temperature Characteristics

  • 50 Vdc: Z55C Z+25C @120Hz 50 Vdc, Z < 10X, Capacitance loss < 30%
  • 51 - 300 Vdc: Z55C Z+25C @120Hz < 3.6X, Capacitance loss < 30%
  • 301 - 450 Vdc: Z55C Z+25C @120Hz < 6X, Capacitance loss < 40%

2504101957_Cornell-Dubilier-Electronics-MLPS303M020EB0C_C22144834.pdf


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