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reference designTPS5401DGQ | Demoboard TIDA-00202

Texas Instruments TPS5401DGQ | Demoboard TIDA-00202

3.5V to 42V Input, 0.5 A Step Down Converter

Overview

TopologyBuck Converter
Input voltage24 V
Switching frequency100-2500 kHz
Output 112 V
IC revisionE1

Description

The TPS5401 device is a 42-V, 0.5-A, step-down regulator with an integrated high-side MOSFET. Current-mode control provides simple external compensation and flexible component selection. A low-ripple pulse-skip mode reduces the supply current to 116 µA when outputting regulated voltage with no load. Using the enable pin, shutdown supply current is reduced to 1.3 µA when the enable pin is low.

Features

3.5-V to 42-V Input Voltage Range200-mΩ High-Side MOSFETHigh Efficiency at Light Loads With a Pulse-Skipping Eco-mode™ Control Scheme116-µA Operating Quiescent Current1.3-µA Shutdown Current100-kHz to 2.5-MHz Switching FrequencySynchronizes to External ClockAdjustable Slow Start/SequencingUV and OV Power-Good OutputAdjustable UVLO Voltage and Hysteresis0.8-V ±3.5% Internal Voltage ReferenceMSOP10 With PowerPAD PackageSupported by WEBENCHAPPLICATIONS12-V and 24-V Industrial and CommercialLow-Power SystemsE-Meters

Typical applications

  • Servo Drives
  • Industrial Drives
  • Factory Automation and Control

More information

Parts approved by Texas Instruments

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Order Code
Data­sheet
Simu­lation
Downloads
Status
Product series
λDom typ.(nm)
Emitting Color
λPeak typ.(nm)
IV typ.(mcd)
VF typ.(V)
Chip Technology
2θ50% typ.(°)
C
Tol. C
VR(V (DC))
Size
Operating Temperature
Q
DF(%)
RISO
Ceramic Type
L(mm)
W(mm)
Fl(mm)
Packaging
L(µH)
IRP,40K(A)
ISAT,30%(A)
RDC typ.(mΩ)
fres(MHz)
VOP(V)
Mount
ISAT(A)
RDC max.(mΩ)
Version
Pins
Center pin Ø(mm)
Plug OD(mm)
Working Voltage(V (DC))
Gender
Variant
Z @ 100 MHz(Ω)
Zmax(Ω)
Test Condition Zmax
IR(mA)
Z @ 1 GHz(Ω)
H(mm)
Type
SamplesAvailability & Sample
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150060GS75000
SPECWL-SMCW SMT Mono-color Chip LED Waterclear, 525 nm, Green
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ActiveProduction is active. Expected lifetime: >10 years.
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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.]430 mcd
Forward Voltage [typ.]3.2 V
Chip TechnologyInGaN 
Viewing Angle Phi 0° [typ.]140 °
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Size0603 
Operating Temperature -40 °C up to +85 °C
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Length1.6 mm
Width0.8 mm
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74279228600
SPECWE-MPSB EMI Multilayer Power Suppression Bead, –, –
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Downloads9 files

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iProduction is active. Expected lifetime: >10 years.
Product seriesWE-MPSB EMI Multilayer Power Suppression Bead
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Operating Temperature -55 °C up to +125 °C
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Length1.6 mm
Width0.8 mm
Pad Dimension0.3 mm
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DC Resistance8.5 mΩ
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MountSMT 
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DC Resistance15 mΩ
VersionSMT 
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Impedance @ 100 MHz60 Ω
Maximum Impedance99 Ω
Maximum Impedance458 MHz 
Rated Current5100 mA
Impedance @ 1 GHz74 Ω
Height0.8 mm
TypeHigh Current 
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744065101
SPECWE-TPC SMT Tiny Power Inductor, –, –
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Downloads8 files

Status
ActiveProduction is active. Expected lifetime: >10 years.
iProduction is active. Expected lifetime: >10 years.
Product seriesWE-TPC SMT Tiny Power Inductor
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Size1028 
Operating Temperature -40 °C up to +125 °C
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Length10 mm
Width10 mm
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Inductance100 µH
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DC Resistance365 mΩ
Self Resonant Frequency7 MHz
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MountSMT 
Saturation Current0.9 A
DC Resistance470 mΩ
VersionSMT 
Pins2 
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Rated Current1000 mA
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Height2.8 mm
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7447714330
SPECWE-PD SMT Power Inductor, –, –
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Downloads8 files

Status
ActiveProduction is active. Expected lifetime: >10 years.
iProduction is active. Expected lifetime: >10 years.
Product seriesWE-PD SMT Power Inductor
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Size1050 
Operating Temperature -40 °C up to +150 °C
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Length10 mm
Width10 mm
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Inductance33 µH
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DC Resistance66 mΩ
Self Resonant Frequency11.1 MHz
Operating Voltage120 V
MountSMT 
Saturation Current2.9 A
DC Resistance79 mΩ
VersionPerformance 
Pins2 
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Rated Current2500 mA
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Height5 mm
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74438334068
SPECWE-MAPI SMT Power Inductor, –, –
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Downloads9 files

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ActiveProduction is active. Expected lifetime: >10 years.
iProduction is active. Expected lifetime: >10 years.
Product seriesWE-MAPI SMT Power Inductor
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Size3012 
Operating Temperature -40 °C up to +125 °C
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Length3 mm
Width3 mm
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Inductance6.8 µH
Performance Rated Current1.4 A
Saturation Current @ 30%3.5 A
DC Resistance368.2 mΩ
Self Resonant Frequency25 MHz
Operating Voltage80 V
MountSMT 
Saturation Current2.7 A
DC Resistance423.4 mΩ
VersionSMT 
Pins2 
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Rated Current880 mA
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Height1.2 mm
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885012005044
SPECWCAP-CSGP MLCCs 25 V(DC), –, –
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Downloads8 files

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ActiveProduction is active. Expected lifetime: >10 years.
iProduction is active. Expected lifetime: >10 years.
Product seriesWCAP-CSGP MLCCs 25 V(DC)
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Capacitance47 pF
Capacitance±5% 
Rated Voltage25 V (DC)
Size0402 
Operating Temperature -55 °C up to +125 °C
Q-Factor1000 
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Insulation Resistance10 GΩ
Ceramic TypeNP0 Class I 
Length1 mm
Width0.5 mm
Pad Dimension0.25 mm
Packaging7" Tape & Reel 
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885012005061
SPECWCAP-CSGP MLCCs 50 V(DC), –, –
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Downloads8 files

Status
ActiveProduction is active. Expected lifetime: >10 years.
iProduction is active. Expected lifetime: >10 years.
Product seriesWCAP-CSGP MLCCs 50 V(DC)
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Capacitance100 pF
Capacitance±5% 
Rated Voltage50 V (DC)
Size0402 
Operating Temperature -55 °C up to +125 °C
Q-Factor1000 
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Insulation Resistance10 GΩ
Ceramic TypeNP0 Class I 
Length1 mm
Width0.5 mm
Pad Dimension0.25 mm
Packaging7" Tape & Reel 
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Height0.5 mm
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885012205027
SPECWCAP-CSGP MLCCs 16 V(DC), –, –
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ActiveProduction is active. Expected lifetime: >10 years.
iProduction is active. Expected lifetime: >10 years.
Product seriesWCAP-CSGP MLCCs 16 V(DC)
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Capacitance2.2 nF
Capacitance±10% 
Rated Voltage16 V (DC)
Size0402 
Operating Temperature -55 °C up to +125 °C
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Dissipation Factor3.5 %
Insulation Resistance10 GΩ
Ceramic TypeX7R Class II 
Length1 mm
Width0.5 mm
Pad Dimension0.25 mm
Packaging7" Tape & Reel 
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Height0.5 mm
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885012205029
SPECWCAP-CSGP MLCCs 16 V(DC), –, –
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ActiveProduction is active. Expected lifetime: >10 years.
iProduction is active. Expected lifetime: >10 years.
Product seriesWCAP-CSGP MLCCs 16 V(DC)
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Capacitance4.7 nF
Capacitance±10% 
Rated Voltage16 V (DC)
Size0402 
Operating Temperature -55 °C up to +125 °C
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Dissipation Factor3.5 %
Insulation Resistance10 GΩ
Ceramic TypeX7R Class II 
Length1 mm
Width0.5 mm
Pad Dimension0.25 mm
Packaging7" Tape & Reel 
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Height0.5 mm
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885012205037
SPECWCAP-CSGP MLCCs 16 V(DC), –, –
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Status
ActiveProduction is active. Expected lifetime: >10 years.
iProduction is active. Expected lifetime: >10 years.
Product seriesWCAP-CSGP MLCCs 16 V(DC)
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Capacitance100 nF
Capacitance±10% 
Rated Voltage16 V (DC)
Size0402 
Operating Temperature -55 °C up to +125 °C
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Dissipation Factor5 %
Insulation Resistance5 GΩ
Ceramic TypeX7R Class II 
Length1 mm
Width0.5 mm
Pad Dimension0.25 mm
Packaging7" Tape & Reel 
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Height0.5 mm
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885012206046
SPECWCAP-CSGP MLCCs 16 V(DC), –, –
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Downloads8 files

Status
ActiveProduction is active. Expected lifetime: >10 years.
iProduction is active. Expected lifetime: >10 years.
Product seriesWCAP-CSGP MLCCs 16 V(DC)
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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
Width0.8 mm
Pad Dimension0.4 mm
Packaging7" Tape & Reel 
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Height0.8 mm
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885012206095
SPECWCAP-CSGP MLCCs 50 V(DC), –, –
Simu­lation
Availability
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Downloads8 files

Status
ActiveProduction is active. Expected lifetime: >10 years.
iProduction is active. Expected lifetime: >10 years.
Product seriesWCAP-CSGP MLCCs 50 V(DC)
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Capacitance100 nF
Capacitance±10% 
Rated Voltage50 V (DC)
Size0603 
Operating Temperature -55 °C up to +125 °C
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Dissipation Factor3 %
Insulation Resistance5 GΩ
Ceramic TypeX7R Class II 
Length1.6 mm
Width0.8 mm
Pad Dimension0.4 mm
Packaging7" Tape & Reel 
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Height0.8 mm
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885012207026
SPECWCAP-CSGP MLCCs 10 V(DC), –, –
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Downloads8 files

Status
ActiveProduction is active. Expected lifetime: >10 years.
iProduction is active. Expected lifetime: >10 years.
Product seriesWCAP-CSGP MLCCs 10 V(DC)
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Capacitance10 µF
Capacitance±10% 
Rated Voltage10 V (DC)
Size0805 
Operating Temperature -55 °C up to +125 °C
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Dissipation Factor10 %
Insulation Resistance0.01 GΩ
Ceramic TypeX7R Class II 
Length2 mm
Width1.25 mm
Pad Dimension0.5 mm
Packaging7" Tape & Reel 
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Height1.25 mm
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885012207092
SPECWCAP-CSGP MLCCs 50 V(DC), –, –
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Availability
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Status
ActiveProduction is active. Expected lifetime: >10 years.
iProduction is active. Expected lifetime: >10 years.
Product seriesWCAP-CSGP MLCCs 50 V(DC)
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Capacitance10 nF
Capacitance±10% 
Rated Voltage50 V (DC)
Size0805 
Operating Temperature -55 °C up to +125 °C
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Dissipation Factor2.5 %
Insulation Resistance10 GΩ
Ceramic TypeX7R Class II 
Length2 mm
Width1.25 mm
Pad Dimension0.5 mm
Packaging7" Tape & Reel 
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Height0.8 mm
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885012207103
SPECWCAP-CSGP MLCCs 50 V(DC), –, –
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Availability
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Downloads8 files

Status
ActiveProduction is active. Expected lifetime: >10 years.
iProduction is active. Expected lifetime: >10 years.
Product seriesWCAP-CSGP MLCCs 50 V(DC)
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Capacitance1 µF
Capacitance±10% 
Rated Voltage50 V (DC)
Size0805 
Operating Temperature -55 °C up to +125 °C
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Dissipation Factor10 %
Insulation Resistance0.1 GΩ
Ceramic TypeX7R Class II 
Length2 mm
Width1.25 mm
Pad Dimension0.5 mm
Packaging7" Tape & Reel 
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Height1.25 mm
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694106301002
SPECWR-DC Power Jacks, –, –
Simu­lation–
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Status
ActiveProduction is active. Expected lifetime: >10 years.
iProduction is active. Expected lifetime: >10 years.
Product seriesWR-DC Power Jacks
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Operating Temperature -40 °C up to +85 °C
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Insulation Resistance100 MΩ
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PackagingBag 
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MountTHT 
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Center pin Ø2 mm
Recommended Plug outer Ø5.5 mm
Working Voltage30 V (DC)
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Rated Current5000 mA
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TypeRight Angled 
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61300211121
SPECWR-PHD Pin Header - Single, –, –
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ActiveProduction is active. Expected lifetime: >10 years.
iProduction is active. Expected lifetime: >10 years.
Product seriesWR-PHD Pin Header - Single
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Operating Temperature -40 °C up to +105 °C
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Insulation Resistance1000 MΩ
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Length5.08 mm
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PackagingBag 
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MountTHT 
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Pins2 
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Working Voltage250 V (DC)
GenderPin Header 
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Rated Current3000 mA
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TypeStraight 
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61300621121
SPECWR-PHD Pin Header - Dual, –, –
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ActiveProduction is active. Expected lifetime: >10 years.
iProduction is active. Expected lifetime: >10 years.
Product seriesWR-PHD Pin Header - Dual
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Operating Temperature -40 °C up to +105 °C
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Insulation Resistance1000 MΩ
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Length7.62 mm
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PackagingBag 
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MountTHT 
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Pins6 
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Working Voltage250 V (DC)
GenderPin Header 
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Rated Current3000 mA
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TypeStraight 
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618009231121
SPECWR-DSUB PCB, –, –
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ActiveProduction is active. Expected lifetime: >10 years.
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Product seriesWR-DSUB PCB
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Operating Temperature -55 °C up to +105 °C
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Insulation Resistance5000 MΩ
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Length30.8 mm
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PackagingTray 
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VersionStandard 
Pins9 
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Working Voltage125 V (DC)
GenderFemale 
Variantwith Hex Screw 
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Rated Current3000 mA
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TypeAngled 
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