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Very low profile aluminum electrolytic capacitor Cornell Dubilier Electronics MLPS372M080EH0C rugged design

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Very low profile aluminum electrolytic capacitor Cornell Dubilier Electronics MLPS372M080EH0C rugged design

Description : Aluminum Electrolytic Capacitors RoHS

Mfr. Part # : MLPS372M080EH0C

Model Number : MLPS372M080EH0C

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Product Overview

The CDM Cornell Dubilier MLPS/MLPSR series are 105C Flatpack ultra-long life, very low profile aluminum electrolytic capacitors. Designed for high capacitance density in a low-profile package, these capacitors offer extraordinary long-life and reliability suitable for ruggedized, commercial, and military-grade power supplies. They feature laser-welded seals that resist 'dry-out' and have been fully tested to 10,000 hours at rated voltage and ripple current at 105C. Key advantages include military-grade construction, high vibration resistance (up to 20g with HV option), and excellent capacitance retention at -55C.

Product Attributes

  • Brand: CDM Cornell Dubilier
  • Series: MLPS/MLPSR
  • Type: Flatpack Aluminum Electrolytic
  • Temperature Rating: 105 C
  • Profile: Very Low Profile
  • Construction: Laser welded seals, rugged construction
  • Terminal Options: Lead Free Version Available; MLPS: Copper wire with 60/40 tin/lead electroplate; MLPSR: Copper wire with brite tin electroplate
  • Case Material: Aluminum with stainless steel sleeve

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 0.002*C*V (A) after 5 minutes at Rated Voltage
Maximum Lead Current Capability 20 Arms
Vibration Resistance Up to 20g (HV Option)
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
High Reliability Test/Burn-in 48 hours minimum @ 105 C (dc rated voltage)
Polyester Tape Wrap Addendum May add up to 0.020 inches to thickness and width

Model Specific Data (Sample)

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
MLPS293M7R5EA0C 29000 7.5 42 38 2.34 2.60 10 0.60 1.81 2.00
MLPS121M450EK0C 120 450 1652 1140 0.34 0.55 500 0.60 1.81 1.50
MLPS181M450EA0C 180 450 1123 775 0.46 0.74 500 0.60 1.81 2.00

Frequency and Temperature Multipliers (Air Cooled, No Heatsink)

Frequency Multipliers

Frequency (Hz) 0-50 51-100 101-200 201-300 301-450
50 0.83 0.79 0.75 0.70 0.71
60 0.82 0.81 0.78 0.72 0.73
120 1.00 1.00 1.00 1.00 1.00
360 1.02 1.06 1.10 1.10 1.07
1000 1.05 1.14 1.28 1.32 1.22
20000 1.06 1.15 1.34 1.39 1.29

Ambient Temperature Multipliers (No Heat Sink)

Temperature (C) 0-50 51-100 101-200 201-300
45 4.00 4.10 4.30 4.00
55 4.00 4.10 4.30 4.00
65 3.95 4.05 4.20 3.95
75 3.50 3.60 3.70 3.50
85 3.00 3.00 3.10 3.00
95 2.25 2.25 2.30 2.25
105 1.00 1.00 1.00 1.00

Ambient Air Velocity Multipliers (No Heat Sink)

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

Low Temperature Characteristics (Z55C Z+25C @120Hz)

  • 50 Vdc: Z < 10X, Capacitance loss < 30%
  • 51 - 300 Vdc: Z < 3.6X, Capacitance loss < 30%
  • 301 - 450 Vdc: Z < 6X, Capacitance loss < 40%

Part Numbering System

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

  • MLPS/MLPSR: Series designation (MLPS: 60/40 tin/lead plating; MLPSR: Lead free plating)
  • Capacitance Code: e.g., 100 = 10 F, 101 = 100 F, 272 = 2700 F
  • Tolerance: M = 20%
  • Rated Voltage: e.g., 200 = 200 Vdc
  • Case Code: EK, EA, EH, EB
  • Insulation: 0 = bare, 1 = polyester
  • Mounting Style: A, B, C, D, E
  • HV: High Vibration* (May not be available for all sizes)
  • HR: High Reliability

Case Codes and Dimensions

Case Code W (in) L (in) H (in)
EK 1.81 1.50 0.60
EA 1.81 2.00 0.60
EH 1.81 2.50 0.60
EB 1.81 3.00 0.60

2504101957_Cornell-Dubilier-Electronics-MLPS372M080EH0C_C22144835.pdf


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