4N33Alternatives & Equivalent Parts

4N33 is marked OBSOLETE. Compare the equivalents below, check each part's lifecycle, and request a quote on a suitable replacement.

About 4N33

4N33 is a Integrated Circuit component manufactured by Vishay. 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 5 alternatives for 4N33 — response within 24 hours.

Specification Comparison

Parameter4N33SourceCRCW12064K70JNEAIFCAT24C256XI-T2SN75ALS176DTC74A0-5.0VCTTRLM317LIPKG3
ManufacturerVishayVishayON SemiconductorTexas InstrumentsMicrochipTexas Instruments
Package TypeDual-In-Line PackagesResistor ChipSmall Outline PackagesSmall Outline PackagesSOT23 (5-Pin)Other
Pin Count628853
Temperature Range-55.0°C ~ 100.0°C-55.0°C ~ 155.0°C-40.0°C ~ 85.0°C~ 70.0°C-40.0°C ~ 125.0°C-40.0°C ~ 125.0°C
Price$0.1074$0.0933$0.4500$1.1030$0.6374$0.1972
StockIn StockIn StockIn StockIn StockIn StockIn Stock
LifecycleOBSOLETEACTIVEOBSOLETEOBSOLETEACTIVEACTIVE
Electrical Parameters
Pbfree CodeYesYesYesYesYes
Factory Lead Time111 Weeks12 Weeks6 Weeks
YTEOL01200815
Additional FeatureUL RECOGNIZEDRATED AC VOLTAGE (V): 200100 YEAR DATA RETENTION3-STATE DRIVER OUTPUT AND RECEIVER INPUT
Coll-Emtr Bkdn Voltage-Min30 V
ConfigurationSINGLE
Current Transfer Ratio-Min500%
Current Transfer Ratio-Nom500%
Dark Current-Max100 nA
Forward Current-Max0.06 A
Forward Voltage-Max1.5 V
Isolation Voltage-Max5300 V
JESD-609 Codee3e3e3e4e3e3
Mounting FeatureTHROUGH HOLE MOUNTSURFACE MOUNT
Number of Elements1
On-State Current-Max0.1 A
Optoelectronic Device TypeDARLINGTON OUTPUT OPTOCOUPLER
Power Dissipation-Max0.2 W
Response Time-Max0.000005 s
Surface MountNOYESYESYESYESYES
Terminal FinishMatte Tin (Sn)MATTE TIN OVER NICKELTin (Sn)Nickel/Palladium/Gold (Ni/Pd/Au)Matte Tin (Sn)Matte Tin (Sn)
Reach Compliance CodeCompliantCompliant
ConstructionRectangular
Package Height0.55 mm
Package Length3.2 mm
Package StyleSMTSMALL OUTLINESMALL OUTLINESMALL OUTLINE, LOW PROFILE, SHRINK PITCHSMALL OUTLINE
Package Width1.6 mm
Packing MethodTR, PAPER, 7 INCHTR
Rated Power Dissipation (P)0.25 W
Rated Temperature70 °C
Reference StandardAEC-Q200
Resistance4700 Ω
Resistor TypeFIXED RESISTOR
Size Code1206
TechnologyMETAL GLAZE/THICK FILMCMOSBIPOLARBIPOLAR
Temperature Coefficient200 ppm/°C
Terminal ShapeWRAPAROUND
Tolerance5%
Working Voltage200 V
Manufacturer Package Code751BESOT-23-5
Clock Frequency-Max (fCLK)0.4 MHz
Data Retention Time-Min100
Endurance1000000 Write/Erase Cycles
I2C Control Byte1010DDDR
JESD-30 CodeR-PDSO-G8R-PDSO-G8R-PDSO-G5R-PSSO-F3
Memory Density262144 bit
Memory IC TypeEEPROM
Memory Width8
Number of Functions1111
Number of Words32768 words
Number of Words Code32000
Operating ModeSYNCHRONOUS
Organization32KX8
Package Body MaterialPLASTIC/EPOXYPLASTIC/EPOXYPLASTIC/EPOXYPLASTIC/EPOXY
Package Equivalence CodeSOP8,.3SOP8,.25TSOP5/6,.11,37TO-243
Package ShapeRECTANGULARRECTANGULARRECTANGULARRECTANGULAR
Parallel/SerialSERIAL
Peak Reflow Temperature (Cel)260260260260
Power Supplies2/5 V
Qualification StatusNot QualifiedNot QualifiedNot QualifiedNot Qualified
Serial Bus TypeI2C
Standby Current-Max0.000001 A
SubcategoryEEPROMs
Supply Current-Max0.003 mA30 mA
Supply Voltage-Max (Vsup)5.5 V5.5 V
Supply Voltage-Min (Vsup)1.8 V2.7 V
Supply Voltage-Nom (Vsup)5 V5 V
Temperature GradeINDUSTRIALCOMMERCIALAUTOMOTIVE
Terminal FormGULL WINGGULL WINGGULL WINGFLAT
Terminal Pitch1.27 mm1.27 mm0.95 mm1.5 mm
Terminal PositionDUALDUALDUALSINGLE
Time@Peak Reflow Temperature-Max (s)40NOT SPECIFIED30
Write Cycle Time-Max (tWC)5 ms
Write ProtectionHARDWARE
Differential OutputYES
Driver Number of Bits1
High Level Input Current-Max0.00002 A
Input CharacteristicsDIFFERENTIAL SCHMITT TRIGGER
Interface IC TypeLINE TRANSCEIVER
Interface StandardEIA-422-B; TIA-422-B; EIA-485-A; TIA-485-A; V.11; X.27
Out Swing-Min1.5 V
Output Characteristics3-STATE
Output Low Current-Max0.008 A
Output PolarityCOMPLEMENTARY
Receive Delay-Max19 ns
Receiver Number of Bits4
Supply Voltage-Max5.25 V
Supply Voltage-Min4.75 V
Supply Voltage-Nom5 V
Supply Voltage1-Max5.25 V
Supply Voltage1-Min4.75 V
Supply Voltage1-Nom5 V
Transmit Delay-Max13 ns
## SN75ALS176D Alternates Showing resultsImage
Analog IC - Other TypeANALOG CIRCUIT
## TC74A0-5.0VCTTR Alternates Showing resultsImage
AdjustabilityADJUSTABLE
Dropout Voltage1-Nom2 V
Input Voltage-Max35 V
Input Voltage-Min3.75 V
Input-Output Voltage Differential-Max35 V
Input-Output Voltage Differential-Min5 V
Line Regulation-Max (%/V)0.05
Load Regulation-Max(%)0.05%
Number of Outputs1
Operating Temperature TJ-Max125 °C
Operating Temperature TJ-Min-40 °C
Output Current1-Max0.1 A
Output Voltage1-Max37 V
Output Voltage1-Min1.25 V
Regulator TypeADJUSTABLE POSITIVE SINGLE OUTPUT STANDARD REGULATOR
Voltage Tolerance-Max4%
## LM317LIPKG3 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 5 alternatives for 4N33 — response within 24 hours.

Quick Links

Why Look for Alternatives?

Finding alternatives for 4N33 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 4N33 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 4N33. Get expert recommendations within 24 hours.

FAQ

What is equivalent to 4N33?

Known equivalents for 4N33 include CRCW12064K70JNEAIF, CAT24C256XI-T2, SN75ALS176D. Contact FindMyChip for a full compatibility analysis for your specific application.

Can I use a different manufacturer's part instead of 4N33?

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 4N33 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.