1N4448Alternatives & Equivalent Parts
About 1N4448
1N4448 is a Diode component manufactured by Nexperia. It comes in a Diodes, Axial Diameter Horizontal Mounting 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 | 1N4448Source | SSL-LX3044ID-5V | APHB1608ZGSURKC | MCP3208-CI/SL | LMR23630FDRRR | AD5241BRZ10 |
|---|---|---|---|---|---|---|
| Manufacturer | Nexperia | Lumex | Kingbright | Microchip | Texas Instruments | Analog Devices |
| Package Type | Diodes, Axial Diameter Horizontal Mounting | Other | Other | Small Outline Packages | Small Outline No-lead | Small Outline Packages |
| Pin Count | 2 | 2 | 4 | 16 | 13 | 14 |
| Temperature Range | — | -40.0°C ~ 85.0°C | -40.0°C ~ 85.0°C | -40.0°C ~ 85.0°C | -40.0°C ~ 125.0°C | -40.0°C ~ 105.0°C |
| Price | $0.0034 | $0.0407 | $0.2680 | $2.0553 | $2.1556 | $1.3600 |
| Stock | In Stock | In Stock | In Stock | In Stock | In Stock | In Stock |
| Lifecycle | — | ACTIVE | ACTIVE | ACTIVE | ACTIVE | ACTIVE |
| Electrical Parameters | ||||||
| Pbfree Code | — | Yes | — | Yes | Yes | No |
| YTEOL | — | 7 | 6 | 8 | 15 | 10 |
| Color | — | RED | HYPER RED/GREEN | — | — | — |
| Configuration | — | SINGLE | SEPARATE, 2 ELEMENTS | — | — | — |
| Forward Current-Max | — | 0.012 A | 0.03 A | — | — | — |
| Lens Type | — | DIFFUSED | WATER CLEAR | — | — | — |
| Luminous Intensity-Nom | — | 6.0 mcd | 250.0/350.0 mcd | — | — | — |
| Mounting Feature | — | RADIAL MOUNT | SURFACE MOUNT | — | — | — |
| Number of Functions | — | 1 | 1 | 1 | 1 | 1 |
| Optoelectronic Device Type | — | SINGLE COLOR LED | DUAL COLOR LED | — | — | — |
| Overall Height | — | 4.6 mm | 0.5 mm | — | — | — |
| Packing Method | — | BULK | TR, 7 INCH | — | — | — |
| Peak Wavelength | — | 635 nm | 650/515 nm | — | — | — |
| Shape | — | ROUND | RECTANGULAR | — | — | — |
| Size | — | 3 mm | 1.6 mm | — | — | — |
| Surface Mount | — | NO | YES | YES | YES | YES |
| T-code | — | T-1 | — | — | — | — |
| Terminal Pitch | — | 2.54 mm | 1.2 mm | 1.27 mm | 0.5 mm | 1.27 mm |
| Viewing Angle | — | 60 deg | 130 deg | — | — | — |
| JESD-609 Code | — | — | e3 | e3 | e3 | e3 |
| Terminal Finish | — | — | Tin (Sn) | Matte Tin (Sn) | Tin (Sn) | Matte Tin (Sn) |
| Manufacturer Package Code | — | — | — | SOIC-16 | — | R-14 |
| Factory Lead Time | — | — | — | 7 Weeks | — | — |
| Analog Input Voltage-Max | — | — | — | 5 V | — | — |
| Conversion Time-Max | — | — | — | 6 µs | — | — |
| Converter Type | — | — | — | ADC, SUCCESSIVE APPROXIMATION | — | DIGITAL POTENTIOMETER |
| JESD-30 Code | — | — | — | R-PDSO-G16 | S-PDSO-N12 | R-PDSO-G14 |
| Linearity Error-Max (EL) | — | — | — | 0.0488% | — | — |
| Number of Analog In Channels | — | — | — | 8 | — | — |
| Number of Bits | — | — | — | 12 | — | — |
| Output Bit Code | — | — | — | BINARY | — | — |
| Output Format | — | — | — | SERIAL | — | — |
| Package Body Material | — | — | — | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY |
| Package Equivalence Code | — | — | — | SOP16,.25 | — | SOP14,.25 |
| Package Shape | — | — | — | RECTANGULAR | SQUARE | RECTANGULAR |
| Package Style | — | — | — | SMALL OUTLINE | SMALL OUTLINE, HEAT SINK/SLUG, VERY THIN PROFILE | SMALL OUTLINE |
| Peak Reflow Temperature (Cel) | — | — | — | 260 | 260 | 260 |
| Qualification Status | — | — | — | Not Qualified | — | Not Qualified |
| Sample Rate | — | — | — | 0.1 MHz | — | — |
| Sample and Hold / Track and Hold | — | — | — | SAMPLE | — | — |
| Screening Level | — | — | — | TS 16949 | — | — |
| Supply Voltage-Nom | — | — | — | 5 V | — | 2.5 V |
| Technology | — | — | — | CMOS | — | — |
| Temperature Grade | — | — | — | INDUSTRIAL | AUTOMOTIVE | INDUSTRIAL |
| Terminal Form | — | — | — | GULL WING | NO LEAD | GULL WING |
| Terminal Position | — | — | — | DUAL | DUAL | DUAL |
| Time@Peak Reflow Temperature-Max (s) | — | — | — | 40 | 30 | 30 |
| Date Of Intro | — | — | — | — | 2017-05-28 | — |
| Additional Feature | — | — | — | — | PFM CONTROL TECHNIQUE ALSO USED | — |
| Analog IC - Other Type | — | — | — | — | SWITCHING REGULATOR | — |
| Control Mode | — | — | — | — | CURRENT-MODE | — |
| Control Technique | — | — | — | — | PULSE WIDTH MODULATION | — |
| Input Voltage-Max | — | — | — | — | 36 V | — |
| Input Voltage-Min | — | — | — | — | 4.5 V | — |
| Input Voltage-Nom | — | — | — | — | 12 V | — |
| Number of Outputs | — | — | — | — | 1 | — |
| Output Current-Max | — | — | — | — | 3 A | — |
| Output Voltage-Max | — | — | — | — | 30 V | — |
| Output Voltage-Min | — | — | — | — | 1 V | — |
| Switcher Configuration | — | — | — | — | BUCK | — |
| Switching Frequency-Max | — | — | — | — | 2200 kHz | — |
| Bandwidth-Nom | — | — | — | — | — | 0.65 kHz |
| Control Interface | — | — | — | — | — | 2-WIRE SERIAL |
| Negative Supply Voltage-Nom | — | — | — | — | — | -2.5 V |
| Number of Positions | — | — | — | — | — | 256 |
| Resistance Law | — | — | — | — | — | LINEAR |
| Resistance Tolerance-Max | — | — | — | — | — | 30% |
| Resistor Terminal Voltage-Max | — | — | — | — | — | 2.7 V |
| Resistor Terminal Voltage-Min | — | — | — | — | — | -2.3 V |
| Temperature Coefficient-Nom | — | — | — | — | — | 30 ppm/°C |
| Total Resistance-Nom | — | — | — | — | — | 10000 Ω |
| ## AD5241BRZ10 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 5 alternatives for 1N4448 — response within 24 hours.
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Why Look for Alternatives?
Finding alternatives for 1N4448 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 1N4448 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 1N4448?
Known equivalents for 1N4448 include SSL-LX3044ID-5V, APHB1608ZGSURKC, MCP3208-CI/SL. Contact FindMyChip for a full compatibility analysis for your specific application.
Can I use a different manufacturer's part instead of 1N4448?
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 1N4448 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.