UC3842BNAlternatives & Equivalent Parts

About UC3842BN

UC3842BN is a Integrated Circuit component manufactured by STMicroelectronics. It comes in a Dual-In-Line 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 7 alternatives for UC3842BN — response within 24 hours.

Specification Comparison

ParameterUC3842BNSourceUC3842BNGUC3842ANCFR200J100RUC2844BNUC3844BN3528UC3842TN
ManufacturerSTMicroelectronicsON SemiconductorTexas InstrumentsTE ConnectivitySTMicroelectronicsSTMicroelectronicsKeystone ElectronicsSTMicroelectronics
Package TypeDual-In-Line PackagesDual-In-Line PackagesDual-In-Line PackagesResistors, Axial Diameter Horizontal MountingDual-In-Line PackagesDual-In-Line PackagesOtherDual-In-Line Packages
Pin Count88828828
Temperature Range~ 70.0°C~ 70.0°C~ 70.0°C-55.0°C ~ 155.0°C-25.0°C ~ 85.0°C~ 70.0°C—~ 105.0°C
Price$0.2268$0.3104$0.3232$0.0521$0.4492$0.2472$0.1810—
StockIn StockIn StockIn StockIn StockIn StockIn StockIn StockIn Stock
LifecycleACTIVEACTIVEACTIVEACTIVEACTIVEACTIVEACTIVEOBSOLETE
Electrical Parameters
Factory Lead Time14 Weeks———14 Weeks14 Weeks——
YTEOL66157666.870
Analog IC - Other TypeSWITCHING CONTROLLERSWITCHING CONTROLLERSWITCHING CONTROLLER—SWITCHING CONTROLLERSWITCHING CONTROLLER—SWITCHING CONTROLLER
Control ModeCURRENT-MODECURRENT-MODECURRENT-MODE—CURRENT-MODECURRENT-MODE—CURRENT-MODE
Control TechniquePULSE WIDTH MODULATIONPULSE WIDTH MODULATIONPULSE WIDTH MODULATION—PULSE WIDTH MODULATIONPULSE WIDTH MODULATION—PULSE WIDTH MODULATION
Input Voltage-Max30 V25 V28 V—30 V30 V—30 V
Input Voltage-Min11.5 V12 V11.5 V—11 V11.5 V—12 V
Input Voltage-Nom15 V15 V15 V—15 V15 V—15 V
JESD-30 CodeR-PDIP-T8R-PDIP-T8R-PDIP-T8—R-PDIP-T8R-PDIP-T8—R-PDIP-T8
JESD-609 Codee3e3e4e3e3e4——
Number of Functions111—11—1
Output Current-Max1 A1 A1 A—1 A1 A—1 A
Package Body MaterialPLASTIC/EPOXYPLASTIC/EPOXYPLASTIC/EPOXY—PLASTIC/EPOXYPLASTIC/EPOXY—PLASTIC/EPOXY
Package Equivalence CodeDIP8,.3DIP8,.3DIP8,.3—DIP8,.3DIP8,.3——
Package ShapeRECTANGULARRECTANGULARRECTANGULARTUBULAR PACKAGERECTANGULARRECTANGULAR—RECTANGULAR
Package StyleIN-LINEIN-LINEIN-LINEAxialIN-LINEIN-LINE—IN-LINE
Peak Reflow Temperature (Cel)NOT SPECIFIED———————
Qualification StatusNot QualifiedNot QualifiedNot Qualified—Not QualifiedNot Qualified—Not Qualified
Surface MountNONONONONONO—NO
Switcher ConfigurationSINGLEBUCK-BOOSTBUCK-BOOST—SINGLESINGLE—SINGLE
Switching Frequency-Max500 kHz500 kHz500 kHz—500 kHz500 kHz—500 kHz
TechnologyBIPOLARBIPOLARBIPOLARTHIN FILMBIPOLARBIPOLAR——
Temperature GradeCOMMERCIALCOMMERCIALCOMMERCIAL—COMMERCIAL EXTENDEDCOMMERCIAL——
Terminal FinishMatte Tin (Sn) - annealedMATTE TINNickel/Palladium/Gold (Ni/Pd/Au)Tin (Sn)Matte Tin (Sn)Nickel/Palladium/Gold (Ni/Pd/Au)——
Terminal FormTHROUGH-HOLETHROUGH-HOLETHROUGH-HOLE—THROUGH-HOLETHROUGH-HOLE—THROUGH-HOLE
Terminal Pitch2.54 mm2.54 mm2.54 mm—2.54 mm2.54 mm—2.54 mm
Terminal PositionDUALDUALDUAL—DUALDUAL—DUAL
Time@Peak Reflow Temperature-Max (s)NOT SPECIFIED———————
## UC3842BN Alternates Showing resultsImage———————
Pbfree Code—YesYesYes——Yes—
Manufacturer Package Code—626-05——————
Output Voltage-Max——5.1 V—————
Output Voltage-Min——4.9 V—————
Output Voltage-Nom——5 V—————
Supply Current-Max (Isup)——25 mA—————
Supply Voltage-Max (Vsup)——28 V—————
Supply Voltage-Min (Vsup)——16 V—————
Supply Voltage-Nom (Vsup)——11 V—————
Reach Compliance Code———Compliant————
Construction———Tubular————
Lead Diameter———0.7 mm————
Lead Length———28 mm————
Mounting Feature———THROUGH HOLE MOUNT————
Package Diameter———5.5 mm————
Package Length———16 mm————
Packing Method———AMMO PACK————
Physical Dimension———16mm x 5.5mm————
Rated Power Dissipation (P)———2 W————
Rated Temperature———70 °C————
Resistance———100 Ω————
Resistor Type———FIXED RESISTOR————
Temperature Coefficient———-450, 0 ppm/°C————
Terminal Shape———WIRE————
Tolerance———5%————
Working Voltage———500 V————
Configuration Features: Number of Resistors 1———Dimensions: Passive Component Dimensions 16 x 5.5 MM————
Resistance Class Up to 1kΩ———Resistance Value 100 OHM————
Operating Voltage 500 V———Packaging Features: Packaging Method Ammo Packed————
Resistor Type General Purpose Resistor———Element Type Carbon Film————
## UC2844BN Alternates Showing results————Image———
## UC3844BN Alternates Showing results—————Image——
Safety Approval——————UL—
Terminal Gender——————FEMALE—
Terminal and Terminal Block Type——————PUSH-ON TERMINAL—
## UC3842TN Alternates Showing results———————Image

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 7 alternatives for UC3842BN — response within 24 hours.

Quick Links

UC3842BNGby onsemi

Switching Controller, Current-mode, 1A, 500kHz Switching Freq-Max, BIPolar, PDIP8

UC3842AN

Rochester Electronics LLC 1 A SWITCHING CONTROLLER, 500 kHz SWITCHING FREQ-MAX, PDIP8, GREEN, PLASTIC, DIP-8

UC2844BN

suggested

UC3844BN

suggested

3528

suggested

UC3842TN

suggested

Why Look for Alternatives?

Finding alternatives for UC3842BN 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 UC3842BN 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.

Can't Find What You Need?

Our sourcing team can help find compatible alternatives for UC3842BN. Get expert recommendations within 24 hours.

FAQ

What is equivalent to UC3842BN?

Known equivalents for UC3842BN include UC3842BNG, UC3842AN, CFR200J100R. Contact FindMyChip for a full compatibility analysis for your specific application.

Can I use a different manufacturer's part instead of UC3842BN?

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 UC3842BN 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.