UC3842ADAlternatives & Equivalent Parts
About UC3842AD
UC3842AD is a Integrated Circuit component manufactured by Texas Instruments. It comes in a Small Outline 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 | UC3842ADSource | UC3842TN | UC3842D | 15-47-7610 | UC3842AD8 | UC3842ADW | UC3842AD8TR |
|---|---|---|---|---|---|---|---|
| Manufacturer | Texas Instruments | STMicroelectronics | Texas Instruments | Molex | Texas Instruments | Texas Instruments | Texas Instruments |
| Package Type | Small Outline Packages | Dual-In-Line Packages | — | Other | Small Outline Packages | Small Outline Packages | Small Outline Packages |
| Pin Count | 14 | 8 | — | 10 | 8 | 16 | 8 |
| Temperature Range | ~ 70.0°C | ~ 105.0°C | — | -40.0°C ~ 105.0°C | ~ 70.0°C | ~ 70.0°C | ~ 70.0°C |
| Price | $0.5274 | — | $0.5917 | $0.9847 | $0.3760 | $0.7721 | $0.4390 |
| Stock | In Stock | In Stock | In Stock | In Stock | In Stock | In Stock | In Stock |
| Lifecycle | ACTIVE | OBSOLETE | — | ACTIVE | OBSOLETE | ACTIVE | ACTIVE |
| Electrical Parameters | |||||||
| Factory Lead Time | 4 Weeks | — | — | 22 Weeks | — | — | — |
| YTEOL | 0 | 0 | — | 9.1 | 0 | 15 | 15 |
| Analog IC - Other Type | SWITCHING CONTROLLER | SWITCHING CONTROLLER | — | — | SWITCHING CONTROLLER | SWITCHING CONTROLLER | SWITCHING CONTROLLER |
| Control Mode | CURRENT-MODE | CURRENT-MODE | — | — | CURRENT-MODE | CURRENT-MODE | CURRENT-MODE |
| Control Technique | PULSE WIDTH MODULATION | PULSE WIDTH MODULATION | — | — | PULSE WIDTH MODULATION | PULSE WIDTH MODULATION | PULSE WIDTH MODULATION |
| Input Voltage-Max | 30 V | 30 V | — | — | 28 V | 28 V | 28 V |
| Input Voltage-Min | 11.5 V | 12 V | — | — | 11.5 V | 11.5 V | 11.5 V |
| Input Voltage-Nom | 15 V | 15 V | — | — | 15 V | 15 V | 15 V |
| JESD-30 Code | R-PDSO-G14 | R-PDIP-T8 | — | — | R-PDSO-G8 | R-PDSO-G16 | R-PDSO-G8 |
| JESD-609 Code | e0 | — | — | — | e4 | e4 | e4 |
| Number of Functions | 1 | 1 | — | — | 1 | 1 | 1 |
| Output Current-Max | 1 A | 1 A | — | — | 1 A | 1 A | 1 A |
| Output Voltage-Max | 5.1 V | — | — | — | 5.1 V | 5.1 V | 5.1 V |
| Output Voltage-Min | 4.9 V | — | — | — | 4.9 V | 4.9 V | 4.9 V |
| Output Voltage-Nom | 5 V | — | — | — | 5 V | 5 V | 5 V |
| Package Body Material | PLASTIC/EPOXY | PLASTIC/EPOXY | — | — | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY |
| Package Equivalence Code | SOP14,.25 | — | — | — | SOP8,.25 | SOP16,.4 | SOP8,.25 |
| Package Shape | RECTANGULAR | RECTANGULAR | — | — | RECTANGULAR | RECTANGULAR | RECTANGULAR |
| Package Style | SMALL OUTLINE | IN-LINE | — | — | SMALL OUTLINE | SMALL OUTLINE | SMALL OUTLINE |
| Peak Reflow Temperature (Cel) | 235 | — | — | — | 260 | 260 | 260 |
| Qualification Status | Not Qualified | Not Qualified | — | — | Not Qualified | Not Qualified | Not Qualified |
| Surface Mount | YES | NO | — | — | YES | YES | YES |
| Switcher Configuration | SINGLE | SINGLE | — | — | BUCK-BOOST | BUCK-BOOST | BUCK-BOOST |
| Switching Frequency-Max | 500 kHz | 500 kHz | — | — | 500 kHz | 500 kHz | 500 kHz |
| Technology | BIPOLAR | — | — | — | BIPOLAR | BIPOLAR | BIPOLAR |
| Temperature Grade | COMMERCIAL | — | — | — | COMMERCIAL | COMMERCIAL | COMMERCIAL |
| Terminal Finish | TIN LEAD | — | — | — | Nickel/Palladium/Gold (Ni/Pd/Au) | Nickel/Palladium/Gold (Ni/Pd/Au) | Nickel/Palladium/Gold (Ni/Pd/Au) |
| Terminal Form | GULL WING | THROUGH-HOLE | — | — | GULL WING | GULL WING | GULL WING |
| Terminal Pitch | 1.27 mm | 2.54 mm | — | 2.54 mm | 1.27 mm | 1.27 mm | 1.27 mm |
| Terminal Position | DUAL | DUAL | — | — | DUAL | DUAL | DUAL |
| ## UC3842AD Alternates Showing results | Image | — | — | — | — | — | — |
| ## UC3842TN Alternates Showing results | — | Image | — | — | — | — | — |
| Pbfree Code | — | — | — | Yes | — | Yes | Yes |
| Reach Compliance Code | — | — | — | Compliant | — | — | — |
| Additional Feature | — | — | — | LATCHED | — | — | — |
| Board Mounting Option | — | — | — | SOLDER HOLDING POSTS | — | — | — |
| Body Depth | — | — | — | 0.475 inch | — | — | — |
| Body Length | — | — | — | 0.78 inch | — | — | — |
| Body/Shell Style | — | — | — | RECEPTACLE | — | — | — |
| Connector Type | — | — | — | BOARD CONNECTOR | — | — | — |
| Contact Finish Mating | — | — | — | NOT SPECIFIED | — | — | — |
| Contact Finish Termination | — | — | — | NOT APPLICABLE | — | — | — |
| Contact Gender | — | — | — | MALE | — | — | — |
| Contact Material | — | — | — | NOT SPECIFIED | — | — | — |
| Contact Pattern | — | — | — | RECTANGULAR | — | — | — |
| Contact Resistance | — | — | — | 15 mΩ | — | — | — |
| Contact Style | — | — | — | SQ PIN-SKT | — | — | — |
| DIN Conformance | — | — | — | NO | — | — | — |
| Dielectric Withstanding Voltage | — | — | — | 600VDC V | — | — | — |
| Durability | — | — | — | 50 Cycles | — | — | — |
| Filter Feature | — | — | — | NO | — | — | — |
| IEC Conformance | — | — | — | NO | — | — | — |
| Insulation Resistance | — | — | — | 1000000000 Ω | — | — | — |
| Insulator Material | — | — | — | POLYETHYLENE | — | — | — |
| MIL Conformance | — | — | — | NO | — | — | — |
| Mating Contact Pitch | — | — | — | 0.1 inch | — | — | — |
| Mating Contact Row Spacing | — | — | — | 0.1 inch | — | — | — |
| Mating Information | — | — | — | MULTIPLE MATING PARTS AVAILABLE | — | — | — |
| Mixed Contacts | — | — | — | NO | — | — | — |
| Mounting Style | — | — | — | STRAIGHT | — | — | — |
| Mounting Type | — | — | — | BOARD | — | — | — |
| Number Of Connectors | — | — | — | ONE | — | — | — |
| Number Of PCB Rows | — | — | — | 2 | — | — | — |
| Number of Rows Loaded | — | — | — | 2 | — | — | — |
| Option | — | — | — | GENERAL PURPOSE | — | — | — |
| PCB Contact Pattern | — | — | — | RECTANGULAR | — | — | — |
| PCB Contact Row Spacing | — | — | — | 2.54 mm | — | — | — |
| Plating Thickness | — | — | — | 15u inch | — | — | — |
| Polarization Key | — | — | — | CTR W/GUIDE SLOTS | — | — | — |
| Rated Current (Signal) | — | — | — | 3 A | — | — | — |
| Reference Standard | — | — | — | UL | — | — | — |
| Terminal Length | — | — | — | 0.13 inch | — | — | — |
| Termination Type | — | — | — | SOLDER | — | — | — |
| Total Number of Contacts | — | — | — | 10 | — | — | — |
| UL Flammability Code | — | — | — | 94V-0 | — | — | — |
| Supply Current-Max (Isup) | — | — | — | — | 25 mA | 25 mA | 25 mA |
| Supply Voltage-Max (Vsup) | — | — | — | — | 28 V | 28 V | 28 V |
| Supply Voltage-Min (Vsup) | — | — | — | — | 16 V | 16 V | 16 V |
| Supply Voltage-Nom (Vsup) | — | — | — | — | 11 V | 11 V | 11 V |
| Time@Peak Reflow Temperature-Max (s) | — | — | — | — | NOT SPECIFIED | 30 | 30 |
| ## UC3842AD8 Alternates Showing results | — | — | — | — | Image | — | — |
| ## UC3842AD8TR Alternates Showing results | — | — | — | — | — | — | Image |
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 6 alternatives for UC3842AD — response within 24 hours.
Quick Links
suggested
Switching Controller, Current-mode, 1A, 500kHz Switching Freq-Max, BIPolar, PDSO8
Switching Controller, Current-mode, 1A, 500kHz Switching Freq-Max, BIPolar, PDSO16
Switching Controller, Current-mode, 1A, 500kHz Switching Freq-Max, BIPolar, PDSO8
Why Look for Alternatives?
Finding alternatives for UC3842AD 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 UC3842AD 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 UC3842AD?
Known equivalents for UC3842AD include UC3842TN, UC3842D, 15-47-7610. Contact FindMyChip for a full compatibility analysis for your specific application.
Can I use a different manufacturer's part instead of UC3842AD?
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 UC3842AD 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.