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
| Parameter | WCR0805-27KFISource | BD681 | ATMEGA3208-AU | TPS54821RHLR | TPS2051BDBVR |
|---|---|---|---|---|---|
| Manufacturer | WELWYN | STMicroelectronics | Microchip | Texas Instruments | Texas Instruments |
| Package Type | Resistor Chip | Transistor Outline, Vertical | Quad Flat Packages | Other | SOT23 (5-Pin) |
| Pin Count | 2 | 3 | 32 | 14 | 5 |
| 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 |
| Stock | In Stock | In Stock | In Stock | In Stock | In Stock |
| Lifecycle | ACTIVE | ACTIVE | ACTIVE | ACTIVE | ACTIVE |
| Electrical Parameters | |||||
| Factory Lead Time | — | 14 Weeks | 7 Weeks | — | — |
| YTEOL | — | 9 | 18 | 15 | 15 |
| 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-T3 | S-PQFP-G32 | S-PQCC-N14 | R-PDSO-G5 |
| JESD-609 Code | — | e3 | e3 | e4 | e4 |
| Number of Elements | — | 1 | — | — | — |
| Package Body Material | — | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY |
| Package Shape | — | RECTANGULAR | SQUARE | SQUARE | RECTANGULAR |
| Package Style | — | FLANGE MOUNT | FLATPACK, THIN PROFILE | CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE | SMALL OUTLINE, LOW PROFILE, SHRINK PITCH |
| Peak Reflow Temperature (Cel) | — | NOT SPECIFIED | 260 | 260 | 260 |
| Polarity/Channel Type | — | NPN | — | — | — |
| Power Dissipation Ambient-Max | — | 40 W | — | — | — |
| Power Dissipation-Max (Abs) | — | 40 W | — | — | — |
| Qualification Status | — | Not Qualified | — | — | Not Qualified |
| Surface Mount | — | NO | YES | YES | YES |
| Terminal Finish | — | Matte Tin (Sn) | Matte Tin (Sn) | Nickel/Palladium/Gold (Ni/Pd/Au) | Nickel/Palladium/Gold (Ni/Pd/Au) |
| Terminal Form | — | THROUGH-HOLE | GULL WING | NO LEAD | GULL WING |
| Terminal Position | — | SINGLE | QUAD | QUAD | DUAL |
| Time@Peak Reflow Temperature-Max (s) | — | NOT SPECIFIED | — | 30 | 30 |
| 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,32 | LCC14/18,.14SQ,20 | TSOP5/6,.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 | — | — | INDUSTRIAL | AUTOMOTIVE | INDUSTRIAL |
| Terminal Pitch | — | — | 0.8 mm | 0.5 mm | 0.95 mm |
| uPs/uCs/Peripheral ICs Type | — | — | MICROCONTROLLER, RISC | — | — |
| ## ATMEGA3208-AU Alternates Showing results | — | — | Image | — | — |
| Pbfree Code | — | — | — | Yes | Yes |
| Analog IC - Other Type | — | — | — | SWITCHING REGULATOR | LOAD SWITCH |
| Control Mode | — | — | — | CURRENT-MODE | — |
| Control Technique | — | — | — | PULSE WIDTH MODULATION | — |
| Input Voltage-Max | — | — | — | 17 V | 5.5 V |
| Input Voltage-Min | — | — | — | 4.5 V | 2.7 V |
| Input Voltage-Nom | — | — | — | 12 V | — |
| Number of Functions | — | — | — | 1 | 1 |
| 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.
Need pricing on these alternatives?
Get one quote covering all 4 alternatives for WCR0805-27KFI — response within 24 hours.
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Why Look for Alternatives?
Finding alternatives for WCR0805-27KFI 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 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.