1N4148WSAlternatives & Equivalent Parts
About 1N4148WS
1N4148WS is a Diode component manufactured by Taiwan Semiconductor. It comes in a Small Outline Diode 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 | 1N4148WSSource | OPT3002DNPT | CFR50J560R | EP5WS100RJ | ENC28J60/SO |
|---|---|---|---|---|---|
| Manufacturer | Taiwan Semiconductor | Texas Instruments | TE Connectivity | TE Connectivity | Microchip |
| Package Type | Small Outline Diode | Small Outline No-lead | Resistors, Axial Diameter Horizontal Mounting | Resistors, Axial Diameter Horizontal Mounting | Small Outline Packages |
| Pin Count | 2 | 7 | 2 | 2 | 28 |
| Temperature Range | -65.0°C ~ 150.0°C | -40.0°C ~ 85.0°C | -55.0°C ~ 155.0°C | -55.0°C ~ 155.0°C | ~ 70.0°C |
| Price | $0.0050 | $1.0399 | $0.0140 | $0.1233 | $1.5841 |
| Stock | In Stock | In Stock | In Stock | In Stock | In Stock |
| Lifecycle | ACTIVE | OBSOLETE | ACTIVE | ACTIVE | END OF LIFE |
| Electrical Parameters | |||||
| YTEOL | 6.1 | 0 | 8 | 10 | 0.4 |
| Configuration | SINGLE | — | — | — | — |
| Diode Element Material | SILICON | — | — | — | — |
| Diode Type | RECTIFIER DIODE | — | — | — | — |
| JESD-30 Code | R-PDSO-F2 | S-PDSO-N6 | — | — | R-PDSO-G28 |
| JESD-609 Code | e3 | e4 | e3 | — | — |
| Number of Elements | 1 | — | — | — | — |
| Number of Phases | 1 | — | — | — | — |
| Output Current-Max | 0.15 A | — | — | — | — |
| Package Body Material | PLASTIC/EPOXY | PLASTIC/EPOXY | — | — | PLASTIC/EPOXY |
| Package Shape | RECTANGULAR | SQUARE | TUBULAR PACKAGE | TUBULAR PACKAGE | RECTANGULAR |
| Package Style | SMALL OUTLINE | SMALL OUTLINE, HEAT SINK/SLUG, VERY THIN PROFILE | Axial | Axial | SMALL OUTLINE |
| Power Dissipation-Max | 0.2 W | — | — | — | — |
| Rep Pk Reverse Voltage-Max | 75 V | — | — | — | — |
| Reverse Recovery Time-Max | 0.004 µs | — | — | — | — |
| Surface Mount | YES | YES | NO | NO | YES |
| Terminal Finish | Matte Tin (Sn) | Nickel/Palladium/Gold/Silver (Ni/Pd/Au/Ag) | Tin (Sn) | — | — |
| Terminal Form | FLAT | NO LEAD | — | — | GULL WING |
| Terminal Position | DUAL | DUAL | — | — | DUAL |
| Date Of Intro | — | 2016-06-17 | — | — | — |
| Analog IC - Other Type | — | ANALOG CIRCUIT | — | — | — |
| Number of Channels | — | 1 | — | — | — |
| Number of Functions | — | 1 | — | — | — |
| Package Equivalence Code | — | SOLCC6,.08,25 | — | — | SOP28,.4 |
| Peak Reflow Temperature (Cel) | — | 260 | — | — | — |
| Supply Voltage-Max (Vsup) | — | 3.6 V | — | — | — |
| Supply Voltage-Min (Vsup) | — | 1.6 V | — | — | — |
| Supply Voltage-Nom (Vsup) | — | 3.3 V | — | — | — |
| Temperature Grade | — | INDUSTRIAL | — | — | — |
| Terminal Pitch | — | 0.65 mm | — | — | 1.27 mm |
| Time@Peak Reflow Temperature-Max (s) | — | 30 | — | — | — |
| ## OPT3002DNPT Alternates Showing results | — | Image | — | — | — |
| Pbfree Code | — | — | Yes | Yes | Yes |
| Reach Compliance Code | — | — | Compliant | Compliant | — |
| Factory Lead Time | — | — | 14 Weeks, 1 Day | — | — |
| Construction | — | — | Tubular | Cylindrical | — |
| Lead Diameter | — | — | 0.54 mm | 0.75 mm | — |
| Lead Length | — | — | 28 mm | 28 mm | — |
| Mounting Feature | — | — | THROUGH HOLE MOUNT | THROUGH HOLE MOUNT | — |
| Package Diameter | — | — | 3 mm | 6.5 mm | — |
| Package Length | — | — | 9 mm | 17.5 mm | — |
| Packing Method | — | — | AMMO PACK | AMMO PACK | — |
| Physical Dimension | — | — | 9mm x 3mm | 17.5mm x 6.5mm | — |
| Rated Power Dissipation (P) | — | — | 0.5 W | 5 W | — |
| Rated Temperature | — | — | 70 °C | — | — |
| Resistance | — | — | 560 Ω | 100 Ω | — |
| Resistor Type | — | — | FIXED RESISTOR | FIXED RESISTOR | — |
| Technology | — | — | THIN FILM | WIRE WOUND | CMOS |
| Temperature Coefficient | — | — | -1200, 0 ppm/°C | 300 ppm/°C | — |
| Terminal Shape | — | — | WIRE | WIRE | — |
| Tolerance | — | — | 5% | 5% | — |
| Working Voltage | — | — | 350 V | 500 V | — |
| Configuration Features: Number of Resistors 1 | — | — | Dimensions: Passive Component Dimensions 9 x 3 MM | Dimensions: Passive Component Dimensions 17.5 x 6.5 MM | — |
| Resistance Value 560 OHM | — | — | Resistance Class Up to 1kΩ | — | — |
| Power Rating .5 WATT | — | — | Packaging Features: Packaging Method Ammo Packed | — | — |
| Resistor Type General Purpose Resistor | — | — | Element Type Carbon Film | — | — |
| Resistance Class Up to 1kΩ | — | — | — | Passive Component Tolerance 5 PCT | — |
| Operating Voltage 500 V | — | — | — | Packaging Features: Packaging Method Ammo Packed | — |
| Element Type Wire Wound | — | — | — | Element Type Ceramic Composition | — |
| Boundary Scan | — | — | — | — | NO |
| Bus Compatibility | — | — | — | — | SPI |
| Clock Frequency-Max | — | — | — | — | 25 MHz |
| Communication Protocol | — | — | — | — | SYNC, BIT, BYTE, ETHERNET |
| Data Transfer Rate-Max | — | — | — | — | 1.25 MBps |
| Low Power Mode | — | — | — | — | YES |
| Number of Serial I/Os | — | — | — | — | 1 |
| On Chip Data RAM Width | — | — | — | — | 8 |
| RAM (words) | — | — | — | — | 8192 |
| Screening Level | — | — | — | — | TS 16949 |
| Supply Current-Max | — | — | — | — | 180 mA |
| Supply Voltage-Max | — | — | — | — | 3.6 V |
| Supply Voltage-Min | — | — | — | — | 3.1 V |
| Supply Voltage-Nom | — | — | — | — | 3.3 V |
| uPs/uCs/Peripheral ICs Type | — | — | — | — | SERIAL IO/COMMUNICATION CONTROLLER, LAN |
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 1N4148WS — response within 24 hours.
Quick Links
Why Look for Alternatives?
Finding alternatives for 1N4148WS 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 1N4148WS 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 1N4148WS?
Known equivalents for 1N4148WS include OPT3002DNPT, CFR50J560R, EP5WS100RJ. Contact FindMyChip for a full compatibility analysis for your specific application.
Can I use a different manufacturer's part instead of 1N4148WS?
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 1N4148WS 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.