UC3842AD8Alternatives & Equivalent Parts
About UC3842AD8
UC3842AD8 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 | UC3842AD8Source | UC2842AD8 | STP6NK60ZFP | GBU806 | LMC6484AIN/NOPB | LMC6484IN | UC3842AD | UC3842ADW | UC3842AD8TR |
|---|---|---|---|---|---|---|---|---|---|
| Manufacturer | Texas Instruments | Texas Instruments | STMicroelectronics | Diodes Inc. | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments |
| Package Type | Small Outline Packages | Small Outline Packages | Transistor Outline, Vertical | Other | Dual-In-Line Packages | — | Small Outline Packages | Small Outline Packages | Small Outline Packages |
| Pin Count | 8 | 8 | 3 | 4 | 14 | — | 14 | 16 | 8 |
| Temperature Range | ~ 70.0°C | -40.0°C ~ 85.0°C | ~ 150.0°C | -55.0°C ~ 150.0°C | -40.0°C ~ 85.0°C | — | ~ 70.0°C | ~ 70.0°C | ~ 70.0°C |
| Price | $0.3760 | $0.1284 | $0.9100 | $0.1591 | $1.4560 | $2.0500 | $0.5274 | $0.7721 | $0.4390 |
| Stock | In Stock | In Stock | In Stock | In Stock | In Stock | In Stock | In Stock | In Stock | In Stock |
| Lifecycle | OBSOLETE | OBSOLETE | ACTIVE | ACTIVE | ACTIVE | — | ACTIVE | ACTIVE | ACTIVE |
| Electrical Parameters | |||||||||
| YTEOL | 0 | 0 | 5.8 | 7 | 15 | — | 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 | 28 V | 28 V | — | — | — | — | 30 V | 28 V | 28 V |
| Input Voltage-Min | 11.5 V | 11 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-G8 | R-PDSO-G8 | R-PSFM-T3 | R-PSFM-T4 | R-PDIP-T14 | — | R-PDSO-G14 | R-PDSO-G16 | R-PDSO-G8 |
| JESD-609 Code | e4 | e4 | e3 | e3 | e4 | — | e0 | e4 | e4 |
| Number of Functions | 1 | 1 | — | — | 4 | — | 1 | 1 | 1 |
| Output Current-Max | 1 A | 1 A | — | 8 A | — | — | 1 A | 1 A | 1 A |
| Output Voltage-Max | 5.1 V | 5.05 V | — | — | — | — | 5.1 V | 5.1 V | 5.1 V |
| Output Voltage-Min | 4.9 V | 4.95 V | — | — | — | — | 4.9 V | 4.9 V | 4.9 V |
| Output Voltage-Nom | 5 V | 5 V | — | — | — | — | 5 V | 5 V | 5 V |
| Package Body Material | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | — | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY |
| Package Equivalence Code | SOP8,.25 | SOP8,.25 | — | — | DIP14,.3 | — | SOP14,.25 | SOP16,.4 | SOP8,.25 |
| Package Shape | RECTANGULAR | RECTANGULAR | RECTANGULAR | RECTANGULAR | RECTANGULAR | — | RECTANGULAR | RECTANGULAR | RECTANGULAR |
| Package Style | SMALL OUTLINE | SMALL OUTLINE | FLANGE MOUNT | FLANGE MOUNT | IN-LINE | — | SMALL OUTLINE | SMALL OUTLINE | SMALL OUTLINE |
| Peak Reflow Temperature (Cel) | 260 | 260 | NOT SPECIFIED | 260 | — | — | 235 | 260 | 260 |
| Qualification Status | Not Qualified | Not Qualified | Not Qualified | Not Qualified | Not Qualified | — | Not Qualified | Not Qualified | Not Qualified |
| Supply Current-Max (Isup) | 25 mA | 25 mA | — | — | — | — | — | 25 mA | 25 mA |
| Supply Voltage-Max (Vsup) | 28 V | 28 V | — | — | — | — | — | 28 V | 28 V |
| Supply Voltage-Min (Vsup) | 16 V | 16 V | — | — | — | — | — | 16 V | 16 V |
| Supply Voltage-Nom (Vsup) | 11 V | 11 V | — | — | 5 V | — | — | 11 V | 11 V |
| Surface Mount | YES | YES | NO | NO | NO | — | YES | YES | YES |
| Switcher Configuration | BUCK-BOOST | BUCK-BOOST | — | — | — | — | SINGLE | BUCK-BOOST | BUCK-BOOST |
| Switching Frequency-Max | 500 kHz | 500 kHz | — | — | — | — | 500 kHz | 500 kHz | 500 kHz |
| Technology | BIPOLAR | BIPOLAR | — | — | CMOS | — | BIPOLAR | BIPOLAR | BIPOLAR |
| Temperature Grade | COMMERCIAL | INDUSTRIAL | — | — | INDUSTRIAL | — | COMMERCIAL | COMMERCIAL | COMMERCIAL |
| Terminal Finish | Nickel/Palladium/Gold (Ni/Pd/Au) | Nickel/Palladium/Gold (Ni/Pd/Au) | Matte Tin (Sn) - annealed | Matte Tin (Sn) | Nickel/Palladium/Gold (Ni/Pd/Au) | — | TIN LEAD | Nickel/Palladium/Gold (Ni/Pd/Au) | Nickel/Palladium/Gold (Ni/Pd/Au) |
| Terminal Form | GULL WING | GULL WING | THROUGH-HOLE | THROUGH-HOLE | THROUGH-HOLE | — | GULL WING | GULL WING | GULL WING |
| Terminal Pitch | 1.27 mm | 1.27 mm | — | — | 2.54 mm | — | 1.27 mm | 1.27 mm | 1.27 mm |
| Terminal Position | DUAL | DUAL | SINGLE | SINGLE | DUAL | — | DUAL | DUAL | DUAL |
| Time@Peak Reflow Temperature-Max (s) | NOT SPECIFIED | 30 | NOT SPECIFIED | 30 | — | — | — | 30 | 30 |
| ## UC3842AD8 Alternates Showing results | Image | — | — | — | — | — | — | — | — |
| Factory Lead Time | — | — | 13 Weeks | 12 Weeks | — | — | 4 Weeks | — | — |
| Date Of Intro | — | — | 1980-01-04 | — | — | — | — | — | — |
| Avalanche Energy Rating (Eas) | — | — | 210 mJ | — | — | — | — | — | — |
| Case Connection | — | — | ISOLATED | ISOLATED | — | — | — | — | — |
| Configuration | — | — | SINGLE WITH BUILT-IN DIODE | BRIDGE, 4 ELEMENTS | — | — | — | — | — |
| DS Breakdown Voltage-Min | — | — | 600 V | — | — | — | — | — | — |
| Drain Current-Max (ID) | — | — | 6 A | — | — | — | — | — | — |
| Drain-source On Resistance-Max | — | — | 1.2 Ω | — | — | — | — | — | — |
| FET Technology | — | — | METAL-OXIDE SEMICONDUCTOR | — | — | — | — | — | — |
| JEDEC-95 Code | — | — | TO-220AB | — | — | — | — | — | — |
| Number of Elements | — | — | 1 | 4 | — | — | — | — | — |
| Operating Mode | — | — | ENHANCEMENT MODE | — | — | — | — | — | — |
| Polarity/Channel Type | — | — | N-CHANNEL | — | — | — | — | — | — |
| Power Dissipation-Max (Abs) | — | — | 32 W | — | — | — | — | — | — |
| Pulsed Drain Current-Max (IDM) | — | — | 24 A | — | — | — | — | — | — |
| Transistor Application | — | — | SWITCHING | — | — | — | — | — | — |
| Transistor Element Material | — | — | SILICON | — | — | — | — | — | — |
| Pbfree Code | — | — | — | No | Yes | — | — | Yes | Yes |
| Breakdown Voltage-Min | — | — | — | 600 V | — | — | — | — | — |
| Diode Element Material | — | — | — | SILICON | — | — | — | — | — |
| Diode Type | — | — | — | BRIDGE RECTIFIER DIODE | — | — | — | — | — |
| Forward Voltage-Max (VF) | — | — | — | 1 V | — | — | — | — | — |
| Non-rep Pk Forward Current-Max | — | — | — | 200 A | — | — | — | — | — |
| Number of Phases | — | — | — | 1 | — | — | — | — | — |
| Reference Standard | — | — | — | UL RECOGNIZED | — | — | — | — | — |
| Rep Pk Reverse Voltage-Max | — | — | — | 600 V | — | — | — | — | — |
| Amplifier Type | — | — | — | — | OPERATIONAL AMPLIFIER | — | — | — | — |
| Architecture | — | — | — | — | VOLTAGE-FEEDBACK | — | — | — | — |
| Average Bias Current-Max (IIB) | — | — | — | — | 0.000004 µA | — | — | — | — |
| Bias Current-Max (IIB) @25C | — | — | — | — | 0.000004 µA | — | — | — | — |
| Common-mode Reject Ratio-Min | — | — | — | — | 70 dB | — | — | — | — |
| Common-mode Reject Ratio-Nom | — | — | — | — | 82 dB | — | — | — | — |
| Frequency Compensation | — | — | — | — | YES | — | — | — | — |
| Input Offset Current-Max (IIO) | — | — | — | — | 0.000002 µA | — | — | — | — |
| Input Offset Voltage-Max | — | — | — | — | 750 µV | — | — | — | — |
| Low-Bias | — | — | — | — | YES | — | — | — | — |
| Low-Offset | — | — | — | — | NO | — | — | — | — |
| Micropower | — | — | — | — | NO | — | — | — | — |
| Packing Method | — | — | — | — | TUBE | — | — | — | — |
| Power | — | — | — | — | NO | — | — | — | — |
| Programmable Power | — | — | — | — | NO | — | — | — | — |
| Slew Rate-Min | — | — | — | — | 0.7 V/us | — | — | — | — |
| Slew Rate-Nom | — | — | — | — | 1.3 V/us | — | — | — | — |
| Subcategory | — | — | — | — | Operational Amplifier | — | — | — | — |
| Supply Current-Max | — | — | — | — | 2.5 mA | — | — | — | — |
| Supply Voltage Limit-Max | — | — | — | — | 16 V | — | — | — | — |
| Unity Gain BW-Nom | — | — | — | — | 1500 | — | — | — | — |
| Voltage Gain-Min | — | — | — | — | 13000 | — | — | — | — |
| Wideband | — | — | — | — | NO | — | — | — | — |
| ## LMC6484AIN/NOPB Alternates Showing results | — | — | — | — | Image | — | — | — | — |
| ## UC3842AD 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 8 alternatives for UC3842AD8 — response within 24 hours.
Quick Links
Switching Controller, Current-mode, 1A, 500kHz Switching Freq-Max, BIPolar, PDSO8
suggested
suggested
Switching Controller, Current-mode, 1A, 500kHz Switching Freq-Max, BIPolar, PDSO14
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 UC3842AD8 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 UC3842AD8 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 UC3842AD8?
Known equivalents for UC3842AD8 include UC2842AD8, STP6NK60ZFP, GBU806. Contact FindMyChip for a full compatibility analysis for your specific application.
Can I use a different manufacturer's part instead of UC3842AD8?
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 UC3842AD8 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.