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reference designA2F12M12W2-F1 | Demoboard STDES-DABBIDIR

STMicroelectronics A2F12M12W2-F1 | Demoboard STDES-DABBIDIR

25 kW, dual active bridge bidirectional power converter for EV charging and battery energy storage systems

Overview

TopologyLLC Resonant Converter
Input voltage800 V
Output 1800 V
IC revision1.0

Description

The STDES-DABBIDIR provides a complete solution for a bidirectional DC-DC power converter.A dual active bridge topology based on an ACEPACK 2 SiC power module is proposed.The STM32G474RE MCU, enabling digital-intensive power control and optimized for mixed-signal applications, is used.Thanks to the latest generation SiC power module and high-frequency operation (100 kHz), high performance and design optimization are reached.Soft switching DAB behavior is managed by adaptive modulation techniques, according to the load/voltage variation.Bidirectional mode operation supports V2G and V2L implementations as well as UPS and battery energy storage applications.

Features

  • Main power board
  • Driver board (1xHV side 2xLV side)
  • STM32G474RET3 control board
  • Dual active bridge DC-DC power converter:
  • Nominal DC input voltage: 800 V
  • Nominal DC output voltage: 400 V
  • Nominal power: 25 kW
  • Switching frequency: 100 kHz
  • Peak efficiency: 98.4%
  • ACEPACK 2 SiC power module to optimize power section integration and thermal dissipation
  • Bidirectional digital power control
  • Extended soft switching mode, enabled by sophisticated modulation techniques
  • Passive elements weight and size reduction thanks to high frequency SiC MOSFETs operation
  • STGAP2SICS galvanic isolated gate driver for SiC
  • STM32G474RET3 MCU for full digital solution
  • Inrush current control and soft startup

Typical applications

  • Dual Active Bridge Bidirectional power converter, UPS
  • Power converter for EV charging
  • battery energy storage

More information

Products

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Product series
λDom typ.(nm)
Emitting Color
λPeak typ.(nm)
IV typ.(mcd)
VF typ.(V)
Chip Technology
2θ50% typ.(°)
W(mm)
H(mm)
IR(mA)
To
Tl(mm)
Pins
C
Tol. C
VR(V (DC))
Size
Operating Temperature
Q
DF(%)
RISO
Ceramic Type
L(mm)
Fl(mm)
dV/dt(V/µs)
DF @ 1 kHz(%)
IRIPPLE(mA)
Endurance(h)
ILeak(µA)
Ø D(mm)
Mount
G(mm)
IR(mA)
Working Voltage(V (AC))
Operation Force(g)
Schematic
Packaging
Z @ 100 MHz(Ω)
Zmax(Ω)
Test Condition Zmax
IR 2(mA)
RDC max.(Ω)
Type
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150080GS75000
SPECWL-SMCW SMT Mono-color Chip LED Waterclear, 525 nm, Green
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Product seriesWL-SMCW SMT Mono-color Chip LED Waterclear
Dominant Wavelength [typ.]525 nm
Emitting ColorGreen 
Peak Wavelength [typ.]515 nm
Luminous Intensity [typ.]450 mcd
Forward Voltage [typ.]3.2 V
Chip TechnologyInGaN 
Viewing Angle Phi 0° [typ.]140 °
Width1.25 mm
Height0.7 mm
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150080RS75000
SPECWL-SMCW SMT Mono-color Chip LED Waterclear, 625 nm, Red
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Product seriesWL-SMCW SMT Mono-color Chip LED Waterclear
Dominant Wavelength [typ.]625 nm
Emitting ColorRed 
Peak Wavelength [typ.]630 nm
Luminous Intensity [typ.]150 mcd
Forward Voltage [typ.]2 V
Chip TechnologyAlInGaP 
Viewing Angle Phi 0° [typ.]140 °
Width1.25 mm
Height0.7 mm
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Operating Temperature -40 °C up to +85 °C
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SPECWE-CBF SMT EMI Suppression Ferrite Bead, –, –
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Product seriesWE-CBF SMT EMI Suppression Ferrite Bead
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Width0.8 mm
Height0.8 mm
Rated Current500 mA
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Size0603 
Operating Temperature -55 °C up to +125 °C
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Length1.6 mm
Pad Dimension0.3 mm
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Rated Current500 mA
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Impedance @ 100 MHz120 Ω
Maximum Impedance200 Ω
Maximum Impedance510 MHz 
Rated Current 21350 mA
DC Resistance0.3 Ω
TypeWide Band 
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742792021
SPECWE-CBF SMT EMI Suppression Ferrite Bead, –, –
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Product seriesWE-CBF SMT EMI Suppression Ferrite Bead
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Width1.2 mm
Height0.9 mm
Rated Current6000 mA
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Size0805 
Operating Temperature -55 °C up to +125 °C
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Length2 mm
Pad Dimension0.5 mm
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Rated Current4500 mA
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Impedance @ 100 MHz22 Ω
Maximum Impedance40 Ω
Maximum Impedance1000 MHz 
Rated Current 26000 mA
DC Resistance0.008 Ω
TypeHigh Current 
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865230443004
SPECWCAP-AS5H Aluminum Electrolytic Capacitors, –, –
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Product seriesWCAP-AS5H Aluminum Electrolytic Capacitors
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Width6.6 mm
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Capacitance33 µF
Capacitance±20% 
Rated Voltage25 V (DC)
Size6.3 x 5.5 
Operating Temperature -40 °C up to +105 °C
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Dissipation Factor16 %
Insulation Resistance3.0303 MΩ
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Length5.5 mm
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Ripple Current48 mA
Endurance 5000
Leakage Current8.3 µA
Diameter6.3 mm
MountV-Chip SMT 
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Packaging15" Tape & Reel 
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885012006029
SPECWCAP-CSGP MLCCs 16 V(DC), –, –
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Product seriesWCAP-CSGP MLCCs 16 V(DC)
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Width0.8 mm
Height0.8 mm
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Capacitance1 nF
Capacitance±5% 
Rated Voltage16 V (DC)
Size0603 
Operating Temperature -55 °C up to +125 °C
Q-Factor1000 
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Insulation Resistance10 GΩ
Ceramic TypeNP0 Class I 
Length1.6 mm
Pad Dimension0.4 mm
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885012006057
SPECWCAP-CSGP MLCCs 50 V(DC), –, –
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Product seriesWCAP-CSGP MLCCs 50 V(DC)
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Width0.8 mm
Height0.8 mm
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Capacitance100 pF
Capacitance±5% 
Rated Voltage50 V (DC)
Size0603 
Operating Temperature -55 °C up to +125 °C
Q-Factor1000 
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Insulation Resistance10 GΩ
Ceramic TypeNP0 Class I 
Length1.6 mm
Pad Dimension0.4 mm
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885012206046
SPECWCAP-CSGP MLCCs 16 V(DC), –, –
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Product seriesWCAP-CSGP MLCCs 16 V(DC)
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Width0.8 mm
Height0.8 mm
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Capacitance100 nF
Capacitance±10% 
Rated Voltage16 V (DC)
Size0603 
Operating Temperature -55 °C up to +125 °C
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Dissipation Factor3.5 %
Insulation Resistance5 GΩ
Ceramic TypeX7R Class II 
Length1.6 mm
Pad Dimension0.4 mm
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885012206071
SPECWCAP-CSGP MLCCs 25 V(DC), –, –
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Product seriesWCAP-CSGP MLCCs 25 V(DC)
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Width0.8 mm
Height0.8 mm
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Capacitance100 nF
Capacitance±10% 
Rated Voltage25 V (DC)
Size0603 
Operating Temperature -55 °C up to +125 °C
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Dissipation Factor3.5 %
Insulation Resistance5 GΩ
Ceramic TypeX7R Class II 
Length1.6 mm
Pad Dimension0.4 mm
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Packaging7" Tape & Reel 
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885012206075
SPECWCAP-CSGP MLCCs 25 V(DC), –, –
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Product seriesWCAP-CSGP MLCCs 25 V(DC)
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Width0.8 mm
Height0.8 mm
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Capacitance470 nF
Capacitance±10% 
Rated Voltage25 V (DC)
Size0603 
Operating Temperature -55 °C up to +125 °C
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Dissipation Factor10 %
Insulation Resistance1.1 GΩ
Ceramic TypeX7R Class II 
Length1.6 mm
Pad Dimension0.4 mm
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885012206076
SPECWCAP-CSGP MLCCs 25 V(DC), –, –
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Product seriesWCAP-CSGP MLCCs 25 V(DC)
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Width0.8 mm
Height0.8 mm
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Capacitance1 µF
Capacitance±10% 
Rated Voltage25 V (DC)
Size0603 
Operating Temperature -55 °C up to +125 °C
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Dissipation Factor10 %
Insulation Resistance0.5 GΩ
Ceramic TypeX7R Class II 
Length1.6 mm
Pad Dimension0.4 mm
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885012106012
SPECWCAP-CSGP MLCCs 10 V(DC), –, –
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Product seriesWCAP-CSGP MLCCs 10 V(DC)
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Width0.8 mm
Height0.8 mm
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Capacitance4.7 µF
Capacitance±20% 
Rated Voltage10 V (DC)
Size0603 
Operating Temperature -55 °C up to +85 °C
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Dissipation Factor10 %
Insulation Resistance0.02 GΩ
Ceramic TypeX5R Class II 
Length1.6 mm
Pad Dimension0.4 mm
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Packaging7" Tape & Reel 
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885012207102
SPECWCAP-CSGP MLCCs 50 V(DC), –, –
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Product seriesWCAP-CSGP MLCCs 50 V(DC)
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Width1.25 mm
Height1.25 mm
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Capacitance470 nF
Capacitance±10% 
Rated Voltage50 V (DC)
Size0805 
Operating Temperature -55 °C up to +125 °C
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Dissipation Factor3 %
Insulation Resistance1.1 GΩ
Ceramic TypeX7R Class II 
Length2 mm
Pad Dimension0.5 mm
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62201021121
SPECWR-PHD Pin Header, –, –
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Product seriesWR-PHD Pin Header
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Rated Current1000 mA
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Pins10 
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Operating Temperature -40 °C up to +105 °C
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Insulation Resistance500 MΩ
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Length6.35 mm
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MountTHT 
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Rated Current1000 mA
Working Voltage100 V (AC)
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PackagingBox 
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TypeStraight 
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450301014042
SPECWS-SLTV THT Mini Slide Switch, Opposite Side Connection 10x2.5 mm, –, –
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Product seriesWS-SLTV THT Mini Slide Switch, Opposite Side Connection 10x2.5 mm
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Rated Voltage12 V (DC)
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Operating Temperature -40 °C up to +85 °C
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Insulation Resistance10000 MΩ
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Rated Current500 mA
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Operation Force800 g
SchematicSPDT 
PackagingBulk 
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61300411121
SPECWR-PHD Pin Header - Single, –, –
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Product seriesWR-PHD Pin Header - Single
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Pins4 
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Operating Temperature -40 °C up to +105 °C
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Insulation Resistance1000 MΩ
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Length10.16 mm
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MountTHT 
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Rated Current3000 mA
Working Voltage250 V (AC)
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PackagingBag 
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TypeStraight 
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74651195
SPECWP-THRSH REDCUBE THR with external thread, –, –
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Product seriesWP-THRSH REDCUBE THR with external thread
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Width10 mm
Height10.5 mm
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Outer ThreadM5 
Thread Length7 mm
Pins9 
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Operating Temperature -55 °C up to +150 °C
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MountTHR 
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Rated Current85000 mA
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PackagingBulk 
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742792030
SPECWE-CBF SMT EMI Suppression Ferrite Bead, –, –
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ActiveProduction is active. Expected lifetime: >10 years.
iProduction is active. Expected lifetime: >10 years.
Product seriesWE-CBF SMT EMI Suppression Ferrite Bead
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Width1.2 mm
Height0.9 mm
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Size0805 
Operating Temperature -55 °C up to +125 °C
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Length2 mm
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MountSMT 
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Rated Current10000 mA
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Impedance @ 100 MHz30 Ω
Maximum Impedance39 Ω
Maximum Impedance920 MHz 
Rated Current 210000 mA
DC Resistance0.003 Ω
TypeHigh Current 
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890764428004CS
SPECWCAP-FTDB DC-Link, –, –
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Product seriesWCAP-FTDB DC-Link
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Width30 mm
Height45 mm
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Pins4 
Capacitance40 µF
Capacitance±5% 
Rated Voltage600 V (DC)
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Operating Temperature -40 °C up to +105 °C
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Insulation Resistance250 MΩ
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Length42 mm
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Rate of Voltage Rise30 V/µs
Dissipation Factor0.2 %
Ripple Current23000 mA
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MountTHT 
Pin length4 mm
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PackagingCarton 
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890744428006CS
SPECWCAP-FTDB DC-Link, –, –
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ActiveProduction is active. Expected lifetime: >10 years.
iProduction is active. Expected lifetime: >10 years.
Product seriesWCAP-FTDB DC-Link
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Width45 mm
Height60 mm
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Pins4 
Capacitance25 µF
Capacitance±5% 
Rated Voltage1200 V (DC)
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Operating Temperature -40 °C up to +105 °C
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Insulation Resistance400 MΩ
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Length42 mm
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Rate of Voltage Rise45 V/µs
Dissipation Factor0.13 %
Ripple Current25100 mA
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MountTHT 
Pin length4 mm
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PackagingCarton 
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