Electric Double-Layer Supercapacitor
SDM54V55FTDB
Mass ProductionSDM Series · Custom Module
High Energy DensityHigh Power OutputLow ESRLow Leakage CurrentLong Cycle LifePolarizedSmart InstrumentServer Power-loss Protection (PLP)
Rated Voltage (V)
54 V
Nominal Capacitance
55 F
Operating Temp
-40 ~ 70 ℃
ESR (max)
50 mΩ
Rated Lifetime
1000 h
Package Size
D 240 × L 380 × H 119 mm
Online Store
Min. Order Qty:2
Package:Custom Module
No online store link available for this part number
Detailed Specifications
Capacitor CategoryElectric Double-Layer Supercapacitor
ShapeCustom Module
Part NumberSDM54V55FTDB
SeriesSDM
Lifecycle StatusMass Production
Rated Voltage (V)54
Nominal Capacitance55 F
ESR (max.)50 mΩ
Polaritypolarized
Min Operating Temp (°C)-40
Max Operating Temp (°C)70
Rated Lifetime (Hours)1000
Rated Ripple Current0 mArms
ESR Frequency1 kHz
Dimension D (mm)240
Dimension L (mm)380
Terminal Pitch (mm)27
Min. Package Qty2
Tolerance0%~+20%
Terminal Plating Materialtin
Weight (g)7200
72h Leakage Current (μA)5640
Max Charge Voltage (V)54
Max Charge Current (A)60
Peak Current (A)100
Continuous Current (A)60
Package铁壳
Dimension H (mm)119
RemarksESR shall be referenced to the 2026 catalog for the same series with identical or adjacent capacitance and dimensions; current shall be calculated per catalog values or the formula in Appendix 1
Product Dimensions & Electrical Parameters
Actual dimensions and electrical parameters for this part number
Dimensions (unit: mm)
| Dimension | Symbol | Value (mm) |
|---|---|---|
| Dimension (D) | D | 240 |
| Dimension (L) | L | 380 |
| Dimension (H) | H | 119 |
Electrical Parameters
| Rated Ripple Current | Ripple Test Condition | ESR | ESR Frequency |
|---|---|---|---|
| 0 mArms | — | 50 mΩ | 1 kHz |
Design Tools & Resources
Lifetime Calculator
Online lifetime estimation
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STEP / IGES
RoHS/REACH
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Product PDF
Product datasheet
Cross Reference
The current YMIN part can replace these competitor parts. Verify specifications and application conditions before selection.
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