B04B-XASK-1(LF)(SN)Alternatives & Equivalent Parts

About B04B-XASK-1(LF)(SN)

B04B-XASK-1(LF)(SN) is a Connector component manufactured by JST (JAPAN SOLDERLESS TERMINALS). It comes in a Other package. Below you'll find known alternative and equivalent parts that can serve as replacements in your design.

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Specification Comparison

ParameterB04B-XASK-1(LF)(SN)Source7499111221AAT24C256C-SSHL-T
ManufacturerJST (JAPAN SOLDERLESS TERMINALS)Würth ElektronikMicrochip
Package TypeOtherOtherSmall Outline Packages
Pin Count4188
Temperature Range-25.0°C ~ 85.0°C~ 70.0°C-40.0°C ~ 85.0°C
Price$0.0631$7.9392$0.2323
StockIn StockIn StockIn Stock
LifecycleACTIVEACTIVEACTIVE
Electrical Parameters
Pbfree CodeYes—Yes
YTEOL81514
Additional FeatureTOP ENTRY, SHROUDEDSHIELDEDALSO OPERATES 1.7V TO 5.5V @0.4MHZ
Body Breadth0.252 inch0.547 inch—
Body Depth0.346 inch1.3 inch—
Body Length0.492 inch0.661 inch—
Connector TypeBOARD CONNECTORRJ CONNECTOR—
Contact Finish MatingTIN OVER COPPERNOT APPLICABLE—
Contact Finish TerminationTin/Copper (Sn/Cu)——
Contact GenderMALEFEMALE—
Contact MaterialCOPPER ALLOYNOT APPLICABLE—
Contact PatternRECTANGULARRECTANGULAR—
Contact Resistance20 mΩ——
Contact StyleSQ PIN-SKTTELCOM, MODULAR—
DIN ConformanceNONO—
Dielectric Withstanding Voltage1000VAC V——
Filter FeatureNOYES—
IEC ConformanceNONO—
Insulation Resistance1000000000 Ω——
Insulator ColorNATURAL——
Insulator MaterialGLASS FILLED POLYAMIDE66POLYETHYLENE—
JESD-609 Codee2—e3
MIL ConformanceNONO—
Mating Contact Pitch0.098 inch——
Mating InformationMULTIPLE MATING PARTS AVAILABLE——
Mixed ContactsNONO—
Mounting StyleSTRAIGHTRIGHT ANGLE—
Mounting TypeBOARDBOARD AND PANEL—
Number Of ConnectorsONEONE—
Number Of PCB Rows13—
Number of Rows Loaded11—
OptionGENERAL PURPOSEGENERAL PURPOSE—
PCB Contact PatternRECTANGULARSTAGGERED—
Rated Current (Signal)3 A——
Reference StandardCSA;TUV;ULUL—
Terminal Length0.134 inch0.12 inch—
Terminal Pitch2.5 mm2.03 mm1.27 mm
Termination TypeSOLDERSOLDER—
Total Number of Contacts48—
UL Flammability Code94V-094V-0—
Board Mounting Option—PEG—
Empty Shell—NO—
Mounting Option 1—LOCKING—
Mounting Option 2—MOUNTING FLANGE—
Number of Ports—11
PCB Contact Row Spacing—2.54 mm—
Plating Thickness—30u inch—
Polarization Key—POLARIZED HOUSING—
Shell Finish—NICKEL—
Shell Material—COPPER ALLOY—
Manufacturer Package Code——SOIC-8
Factory Lead Time——7 Weeks
Clock Frequency-Max (fCLK)——1 MHz
Data Retention Time-Min——100
Endurance——1000000 Write/Erase Cycles
I2C Control Byte——1010DDDR
JESD-30 Code——R-PDSO-G8
Memory Density——262144 bit
Memory IC Type——EEPROM
Memory Width——8
Number of Functions——1
Number of Words——32768 words
Number of Words Code——32000
Operating Mode——SYNCHRONOUS
Organization——32KX8
Output Characteristics——OPEN-DRAIN
Package Body Material——PLASTIC/EPOXY
Package Equivalence Code——SOP8,.23
Package Shape——RECTANGULAR
Package Style——SMALL OUTLINE
Parallel/Serial——SERIAL
Peak Reflow Temperature (Cel)——260
Programming Voltage——3 V
Qualification Status——Not Qualified
Screening Level——TS 16949
Serial Bus Type——I2C
Standby Current-Max——0.000006 A
Supply Current-Max——0.003 mA
Supply Voltage-Max (Vsup)——5.5 V
Supply Voltage-Min (Vsup)——2.5 V
Supply Voltage-Nom (Vsup)——3 V
Surface Mount——YES
Technology——CMOS
Temperature Grade——INDUSTRIAL
Terminal Finish——Matte Tin (Sn)
Terminal Form——GULL WING
Terminal Position——DUAL
Write Cycle Time-Max (tWC)——5 ms
Write Protection——HARDWARE
## AT24C256C-SSHL-T Alternates Showing results——Image

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

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Get one quote covering all 2 alternatives for B04B-XASK-1(LF)(SN) — response within 24 hours.

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Why Look for Alternatives?

Finding alternatives for B04B-XASK-1(LF)(SN) 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 B04B-XASK-1(LF)(SN) 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 B04B-XASK-1(LF)(SN)?

Known equivalents for B04B-XASK-1(LF)(SN) include 7499111221A, AT24C256C-SSHL-T. Contact FindMyChip for a full compatibility analysis for your specific application.

Can I use a different manufacturer's part instead of B04B-XASK-1(LF)(SN)?

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 B04B-XASK-1(LF)(SN) 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.