4N28Alternatives & Equivalent Parts
About 4N28
4N28 is a Integrated Circuit component manufactured by Lite-On. 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.
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Specification Comparison
| Parameter | 4N28Source | BDX53CG | 22-27-2031 | TL071HIDBVR |
|---|---|---|---|---|
| Manufacturer | Lite-On | ON Semiconductor | Molex | Texas Instruments |
| Package Type | Dual-In-Line Packages | Transistor Outline, Vertical | Header, Shrouded - Straight PTH Box | SOT23 (5-Pin) |
| Pin Count | 6 | 3 | 3 | 5 |
| Temperature Range | -55.0°C ~ 100.0°C | ~ 150.0°C | ~ 75.0°C | -40.0°C ~ 125.0°C |
| Price | $0.0737 | $0.2631 | $0.0780 | $0.0947 |
| Stock | In Stock | In Stock | In Stock | In Stock |
| Lifecycle | ACTIVE | ACTIVE | ACTIVE | ACTIVE |
| Electrical Parameters | ||||
| Factory Lead Time | 12 Weeks | 10 Weeks | — | — |
| YTEOL | 5.25 | 4 | 9.1 | 15 |
| Additional Feature | UL RECOGNIZED | LEADFORM OPTIONS ARE AVAILABLE | KK | — |
| Coll-Emtr Bkdn Voltage-Min | 30 V | — | — | — |
| Configuration | SINGLE | DARLINGTON WITH BUILT-IN DIODE AND RESISTOR | — | — |
| Current Transfer Ratio-Nom | 10% | — | — | — |
| Dark Current-Max | 50 nA | — | — | — |
| Forward Current-Max | 0.08 A | — | — | — |
| Isolation Voltage-Max | 500 V | — | — | — |
| Number of Elements | 1 | 1 | — | — |
| Optoelectronic Device Type | TRANSISTOR OUTPUT OPTOCOUPLER | — | — | — |
| Pbfree Code | — | Yes | Yes | Yes |
| Manufacturer Package Code | — | 221A | — | — |
| Case Connection | — | COLLECTOR | — | — |
| Collector Current-Max (IC) | — | 8 A | — | — |
| Collector-Emitter Voltage-Max | — | 100 V | — | — |
| DC Current Gain-Min (hFE) | — | 750 | — | — |
| JEDEC-95 Code | — | TO-220AB | — | — |
| JESD-30 Code | — | R-PSFM-T3 | — | R-PDSO-G5 |
| JESD-609 Code | — | e3 | e3 | e4 |
| Package Body Material | — | PLASTIC/EPOXY | — | PLASTIC/EPOXY |
| Package Shape | — | RECTANGULAR | — | RECTANGULAR |
| Package Style | — | FLANGE MOUNT | — | SMALL OUTLINE, LOW PROFILE, SHRINK PITCH |
| Polarity/Channel Type | — | NPN | — | — |
| Power Dissipation-Max (Abs) | — | 60 W | — | — |
| Qualification Status | — | Not Qualified | — | — |
| Surface Mount | — | NO | — | YES |
| Terminal Finish | — | MATTE TIN | — | Nickel/Palladium/Gold (Ni/Pd/Au) |
| Terminal Form | — | THROUGH-HOLE | — | GULL WING |
| Terminal Position | — | SINGLE | — | DUAL |
| Transistor Application | — | AMPLIFIER | — | — |
| Transistor Element Material | — | SILICON | — | — |
| Transition Frequency-Nom (fT) | — | 20 MHz | — | — |
| Body Breadth | — | — | 0.23 inch | — |
| Body Depth | — | — | 0.46 inch | — |
| Body Length | — | — | 0.3 inch | — |
| Body/Shell Style | — | — | RECEPTACLE | — |
| Connector Type | — | — | BOARD CONNECTOR | — |
| Contact Finish Mating | — | — | NOT SPECIFIED | — |
| Contact Finish Termination | — | — | Matte Tin (Sn) - with Nickel (Ni) barrier | — |
| Contact Gender | — | — | MALE | — |
| Contact Material | — | — | BRASS | — |
| Contact Pattern | — | — | RECTANGULAR | — |
| Contact Resistance | — | — | 10 mΩ | — |
| Contact Style | — | — | SQ PIN-SKT | — |
| DIN Conformance | — | — | NO | — |
| Durability | — | — | 25 Cycles | — |
| Filter Feature | — | — | NO | — |
| IEC Conformance | — | — | NO | — |
| Insulation Resistance | — | — | 1000000000 Ω | — |
| Insulator Color | — | — | WHITE | — |
| Insulator Material | — | — | POLYAMIDE | — |
| MIL Conformance | — | — | NO | — |
| Mating Contact Pitch | — | — | 0.1 inch | — |
| Mating Information | — | — | MULTIPLE MATING PARTS AVAILABLE | — |
| Mixed Contacts | — | — | NO | — |
| Mounting Option 1 | — | — | LOCKING | — |
| Mounting Style | — | — | STRAIGHT | — |
| Mounting Type | — | — | BOARD | — |
| Number Of Connectors | — | — | ONE | — |
| Number Of PCB Rows | — | — | 1 | — |
| Number of Rows Loaded | — | — | 1 | — |
| Option | — | — | GENERAL PURPOSE | — |
| PCB Contact Pattern | — | — | RECTANGULAR | — |
| Plating Thickness | — | — | 100u inch | — |
| Polarization Key | — | — | POLARIZED HOUSING | — |
| Rated Current (Signal) | — | — | 4 A | — |
| Reference Standard | — | — | UL, CSA | — |
| Terminal Length | — | — | 0.14 inch | — |
| Terminal Pitch | — | — | 2.54 mm | 0.95 mm |
| Termination Type | — | — | SOLDER | — |
| Total Number of Contacts | — | — | 3 | — |
| UL Flammability Code | — | — | 94V-0 | — |
| Amplifier Type | — | — | — | OPERATIONAL AMPLIFIER |
| Architecture | — | — | — | VOLTAGE-FEEDBACK |
| Average Bias Current-Max (IIB) | — | — | — | 0.005 µA |
| Bias Current-Max (IIB) @25C | — | — | — | 0.00012 µA |
| Common-mode Reject Ratio-Min | — | — | — | 100 dB |
| Common-mode Reject Ratio-Nom | — | — | — | 105 dB |
| Frequency Compensation | — | — | — | NO |
| Input Offset Current-Max (IIO) | — | — | — | 0.00025 µA |
| Input Offset Voltage-Max | — | — | — | 4000 µV |
| Low-Bias | — | — | — | YES |
| Low-Offset | — | — | — | NO |
| Micropower | — | — | — | NO |
| Number of Functions | — | — | — | 1 |
| Package Equivalence Code | — | — | — | TSOP5/6,.11,37 |
| Packing Method | — | — | — | TR |
| Peak Reflow Temperature (Cel) | — | — | — | 260 |
| Power | — | — | — | NO |
| Programmable Power | — | — | — | NO |
| Slew Rate-Nom | — | — | — | 20 V/us |
| Supply Current-Max | — | — | — | 1.125 mA |
| Supply Voltage Limit-Max | — | — | — | 42 V |
| Supply Voltage-Nom (Vsup) | — | — | — | 5 V |
| Technology | — | — | — | BIPOLAR |
| Temperature Grade | — | — | — | AUTOMOTIVE |
| Time@Peak Reflow Temperature-Max (s) | — | — | — | 30 |
| Unity Gain BW-Nom | — | — | — | 5250 |
| Voltage Gain-Min | — | — | — | 562341 |
| Wideband | — | — | — | NO |
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 3 alternatives for 4N28 — response within 24 hours.
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Why Look for Alternatives?
Finding alternatives for 4N28 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 4N28 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 4N28?
Known equivalents for 4N28 include BDX53CG, 22-27-2031, TL071HIDBVR. Contact FindMyChip for a full compatibility analysis for your specific application.
Can I use a different manufacturer's part instead of 4N28?
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 4N28 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.