BQ2057WSNTRAlternatives & Equivalent Parts

BQ2057WSNTR is marked OBSOLETE. Compare the equivalents below, check each part's lifecycle, and request a quote on a suitable replacement.

About BQ2057WSNTR

BQ2057WSNTR is a Integrated Circuit component manufactured by Texas Instruments. It comes in a Small Outline Packages package. Below you'll find known alternative and equivalent parts that can serve as replacements in your design.

Need pricing on these alternatives?

Get one quote covering all 8 alternatives for BQ2057WSNTR — response within 24 hours.

Specification Comparison

ParameterBQ2057WSNTRSourceBQ2057SNBQ2057WSNBQ2057CSNTRBQ2057CSNFZT788BTAB57235S0509M000LM19CIZ/LFT4BQ2057WSNG4
ManufacturerTexas InstrumentsTexas InstrumentsTexas InstrumentsTexas InstrumentsTexas InstrumentsDiodes Inc.EPCOSTexas InstrumentsTexas Instruments
Package TypeSmall Outline PackagesSmall Outline PackagesSmall Outline PackagesSmall Outline PackagesSOT223 (3-Pin)OtherOtherSmall Outline Packages
Pin Count88884238
Temperature Range-20.0°C ~ 70.0°C-20.0°C ~ 70.0°C-20.0°C ~ 70.0°C-20.0°C ~ 70.0°C~ 150.0°C-55.0°C ~ 170.0°C-55.0°C ~ 130.0°C-20.0°C ~ 70.0°C
Price$1.9151$1.6300$2.4500$2.1500$2.1470$0.2894$0.1168$0.8750$5.2761
StockIn StockIn StockIn StockIn StockIn StockIn StockIn StockIn StockIn Stock
LifecycleOBSOLETEACTIVEACTIVEACTIVEACTIVEACTIVEACTIVEOBSOLETE
Electrical Parameters
Pbfree CodeYesYesYesYesNoYes
YTEOL015151546.91150
Adjustable ThresholdYESYESYESYESYES
Analog IC - Other TypeLINEAR BATTERY CHARGERLINEAR BATTERY CHARGERLINEAR BATTERY CHARGERLINEAR BATTERY CHARGERLINEAR BATTERY CHARGER
JESD-30 CodeR-PDSO-G8R-PDSO-G8R-PDSO-G8R-PDSO-G8R-PDSO-G4R-PDSO-G8
JESD-609 Codee4e4e4e4e3e3e3e4
Number of Channels11111
Number of Functions11111
Package Body MaterialPLASTIC/EPOXYPLASTIC/EPOXYPLASTIC/EPOXYPLASTIC/EPOXYPLASTIC/EPOXYPLASTIC/EPOXYPLASTIC/EPOXY
Package Equivalence CodeSOP8,.25SOP8,.25SOP8,.25SOP8,.25SIP3,.1,50SOP8,.25
Package ShapeRECTANGULARRECTANGULARRECTANGULARRECTANGULARRECTANGULARDISK PACKAGERECTANGULAR
Package StyleSMALL OUTLINESMALL OUTLINESMALL OUTLINESMALL OUTLINESMALL OUTLINERadialSMALL OUTLINE
Peak Reflow Temperature (Cel)260260260260260260
Qualification StatusNot QualifiedNot QualifiedNot QualifiedNot QualifiedNot QualifiedNot Qualified
Supply Current-Max (Isup)4 mA4 mA4 mA4 mA4 mA
Supply Voltage-Max (Vsup)15 V15 V15 V15 V15 V
Supply Voltage-Min (Vsup)4.5 V4.5 V4.5 V4.5 V4.5 V
Supply Voltage-Nom (Vsup)5 V5 V5 V5 V5 V
Surface MountYESYESYESYESYESNONOYES
TechnologyCMOSCMOSCMOSCMOSCMOS
Temperature GradeOTHEROTHEROTHEROTHEROTHER
Terminal FinishNickel/Palladium/Gold (Ni/Pd/Au)Nickel/Palladium/Gold (Ni/Pd/Au)Nickel/Palladium/Gold (Ni/Pd/Au)Nickel/Palladium/Gold (Ni/Pd/Au)MATTE TINTin (Sn)Matte Tin (Sn)Nickel/Palladium/Gold (Ni/Pd/Au)
Terminal FormGULL WINGGULL WINGGULL WINGGULL WINGGULL WINGGULL WING
Terminal Pitch1.27 mm1.27 mm1.27 mm1.27 mm1.27 mm
Terminal PositionDUALDUALDUALDUALDUALDUAL
Time@Peak Reflow Temperature-Max (s)303030303030
## BQ2057WSNTR Alternates Showing resultsImage
Threshold Voltage-Nom+8.4V
Input Voltage-Max15 V15 V
Input Voltage-Min4.5 V4.5 V
## BQ2057CSN Alternates Showing resultsImage
Factory Lead Time12 Weeks8 Weeks
Case ConnectionCOLLECTOR
Collector Current-Max (IC)3 A
Collector-Emitter Voltage-Max15 V
ConfigurationSINGLE
DC Current Gain-Min (hFE)150
Number of Elements1
Polarity/Channel TypePNP
Power Dissipation-Max (Abs)2 W
Transistor ApplicationSWITCHING
Transistor Element MaterialSILICON
Transition Frequency-Nom (fT)100 MHz
Reach Compliance CodeNot Compliant
Mounting FeatureTHROUGH HOLE MOUNTTHROUGH HOLE MOUNT
Package Height14 mm
Package Length9.5 mm
Package Width6 mm
Packing MethodBULK
Rated Power Dissipation (P)1.8 W
Rated Temperature25 °C
Reference StandardCQC, IEC, UL, VDE
Resistance5 Ω
Resistor TypeNTC THERMISTOR
Terminal PlacementRADIAL
Terminal ShapeWIRE
Thermistor ApplicationSOFT START
Tolerance20%
Accuracy-Max (Cel)2.5 Cel
Body Height4.83 mm
Body Length or Diameter4.825 mm
HousingPLASTIC
Operating Current-Max0.007 mA
Package Shape/StyleCYLINDRICAL
R0-Nom160 Ω
Sensors/Transducers TypeTEMPERATURE SENSOR,ANALOG,VOLTAGE OUTPUT
Supply Voltage-Max5.5 V
Supply Voltage-Min2.4 V
Termination TypeSOLDER
## LM19CIZ/LFT4 Alternates Showing resultsImage

Cells highlighted in yellow indicate differing values across parts. Always verify with official datasheets before substitution.

Need pricing on these alternatives?

Get one quote covering all 8 alternatives for BQ2057WSNTR — response within 24 hours.

Quick Links

BQ2057SN

Rochester Electronics LLC 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO8, GREEN, PLASTIC, MS-012AA, SOIC-8

BQ2057WSN

Rochester Electronics LLC 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO8, GREEN, PLASTIC, MS-012AA, SOIC-8

BQ2057CSNTR

Rochester Electronics LLC 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO8, GREEN, PLASTIC, MS-012AA, SOIC-8

BQ2057CSN

Unitrode Corporation Fixed, 1 Channel, PDSO8

FZT788BTA

suggested

BQ2057WSNG4by Texas Instruments

Adjustable, 1 Channel, PDSO8

Why Look for Alternatives?

Finding alternatives for BQ2057WSNTR is essential for supply chain resilience. Component shortages, long lead times, and end-of-life notices can disrupt production schedules. Having verified alternative parts ensures your designs remain manufacturable.

When evaluating BQ2057WSNTR replacements, consider key parameters such as package compatibility, electrical specifications, and operating temperature range. Our engineering team can help verify pin-to-pin compatibility for your specific application.

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FAQ

What is equivalent to BQ2057WSNTR?

Known equivalents for BQ2057WSNTR include BQ2057SN, BQ2057WSN, BQ2057CSNTR. Contact FindMyChip for a full compatibility analysis for your specific application.

Can I use a different manufacturer's part instead of BQ2057WSNTR?

In many cases, yes. Cross-manufacturer alternatives exist for most standard components. However, always verify pin compatibility, electrical specs, and package dimensions before substituting in production.

How do I verify BQ2057WSNTR alternatives?

Compare the datasheet specifications including pinout, voltage ratings, timing parameters, and package dimensions. FindMyChip's engineering team can help with compatibility verification — submit an RFQ to get started.