WCR0805-27KFIAlternatives & Equivalent Parts

About WCR0805-27KFI

WCR0805-27KFI is a Resistor component manufactured by WELWYN. It comes in a Resistor Chip package. Below you'll find known alternative and equivalent parts that can serve as replacements in your design.

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Specification Comparison

ParameterWCR0805-27KFISourceBD681ATMEGA3208-AUTPS54821RHLRTPS2051BDBVR
ManufacturerWELWYNSTMicroelectronicsMicrochipTexas InstrumentsTexas Instruments
Package TypeResistor ChipTransistor Outline, VerticalQuad Flat PackagesOtherSOT23 (5-Pin)
Pin Count2332145
Temperature Range—~ 150.0°C-40.0°C ~ 85.0°C-40.0°C ~ 125.0°C-40.0°C ~ 125.0°C
Price$0.0130$0.1590$1.2000$1.6177$0.2359
StockIn StockIn StockIn StockIn StockIn Stock
LifecycleACTIVEACTIVEACTIVEACTIVEACTIVE
Electrical Parameters
Factory Lead Time—14 Weeks7 Weeks——
YTEOL—9181515
Case Connection—ISOLATED———
Collector Current-Max (IC)—4 A———
Collector-Emitter Voltage-Max—100 V———
Configuration—DARLINGTON WITH BUILT-IN DIODE AND RESISTOR———
DC Current Gain-Min (hFE)—750———
JEDEC-95 Code—TO-126———
JESD-30 Code—R-PSFM-T3S-PQFP-G32S-PQCC-N14R-PDSO-G5
JESD-609 Code—e3e3e4e4
Number of Elements—1———
Package Body Material—PLASTIC/EPOXYPLASTIC/EPOXYPLASTIC/EPOXYPLASTIC/EPOXY
Package Shape—RECTANGULARSQUARESQUARERECTANGULAR
Package Style—FLANGE MOUNTFLATPACK, THIN PROFILECHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILESMALL OUTLINE, LOW PROFILE, SHRINK PITCH
Peak Reflow Temperature (Cel)—NOT SPECIFIED260260260
Polarity/Channel Type—NPN———
Power Dissipation Ambient-Max—40 W———
Power Dissipation-Max (Abs)—40 W———
Qualification Status—Not Qualified——Not Qualified
Surface Mount—NOYESYESYES
Terminal Finish—Matte Tin (Sn)Matte Tin (Sn)Nickel/Palladium/Gold (Ni/Pd/Au)Nickel/Palladium/Gold (Ni/Pd/Au)
Terminal Form—THROUGH-HOLEGULL WINGNO LEADGULL WING
Terminal Position—SINGLEQUADQUADDUAL
Time@Peak Reflow Temperature-Max (s)—NOT SPECIFIED—3030
Transistor Application—SWITCHING———
Transistor Element Material—SILICON———
Transition Frequency-Nom (fT)—10 MHz———
VCEsat-Max—2.5 V———
## BD681 Alternates Showing results—Image———
Manufacturer Package Code——TQFP-32——
Date Of Intro——2019-08-07——
Has ADC——YES——
Additional Feature——ALSO OPERATES AT 1.8V MINIMUM SUPPLY AT 5MHZ——
Bit Size——8——
Boundary Scan——NO——
CPU Family——AVR RISC——
Clock Frequency-Max——20 MHz——
DAC Channels——NO——
DMA Channels——NO——
Format——FIXED POINT——
Integrated Cache——NO——
Low Power Mode——YES——
Number of External Interrupts——7——
Number of I/O Lines——27——
Number of Serial I/Os——3——
Number of Timers——4——
On Chip Data RAM Width——8——
On Chip Program ROM Width——8——
PWM Channels——NO——
Package Equivalence Code——TQFP32,.35SQ,32LCC14/18,.14SQ,20TSOP5/6,.11,37
RAM (bytes)——4096——
ROM (words)——32768——
ROM Programmability——FLASH——
Speed——20 MHz——
Supply Current-Max——200 mA——
Supply Voltage-Max——5.5 V——
Supply Voltage-Min——5 V——
Supply Voltage-Nom——5 V——
Technology——CMOS——
Temperature Grade——INDUSTRIALAUTOMOTIVEINDUSTRIAL
Terminal Pitch——0.8 mm0.5 mm0.95 mm
uPs/uCs/Peripheral ICs Type——MICROCONTROLLER, RISC——
## ATMEGA3208-AU Alternates Showing results——Image——
Pbfree Code———YesYes
Analog IC - Other Type———SWITCHING REGULATORLOAD SWITCH
Control Mode———CURRENT-MODE—
Control Technique———PULSE WIDTH MODULATION—
Input Voltage-Max———17 V5.5 V
Input Voltage-Min———4.5 V2.7 V
Input Voltage-Nom———12 V—
Number of Functions———11
Number of Outputs———1—
Output Current-Max———8 A—
Output Voltage-Max———15 V—
Output Voltage-Min———0.6 V—
Switcher Configuration———BUCK—
Switching Frequency-Max———1600 kHz—
## TPS54821RHLR Alternates Showing results———Image—
Adjustable Threshold————NO
Number of Channels————1
Supply Current-Max (Isup)————0.07 mA
Supply Voltage-Max (Vsup)————5.5 V
Supply Voltage-Min (Vsup)————2.7 V
Supply Voltage-Nom (Vsup)————3.3 V
## TPS2051BDBVR Alternates Showing results————Image

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

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Why Look for Alternatives?

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When evaluating WCR0805-27KFI 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 WCR0805-27KFI?

Known equivalents for WCR0805-27KFI include BD681, ATMEGA3208-AU, TPS54821RHLR. Contact FindMyChip for a full compatibility analysis for your specific application.

Can I use a different manufacturer's part instead of WCR0805-27KFI?

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 WCR0805-27KFI 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.