UC3842TNAlternatives & Equivalent Parts
About UC3842TN
UC3842TN is a Integrated Circuit component manufactured by STMicroelectronics. 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 | UC3842TNSource | UC3842BNG | UC3842AN | UC3842AD | CFR200J100R | UC3842D | CFR200J100K | UC3842BN |
|---|---|---|---|---|---|---|---|---|
| Manufacturer | STMicroelectronics | ON Semiconductor | Texas Instruments | Texas Instruments | TE Connectivity | Texas Instruments | TE Connectivity | STMicroelectronics |
| Package Type | Dual-In-Line Packages | Dual-In-Line Packages | Dual-In-Line Packages | Small Outline Packages | Resistors, Axial Diameter Horizontal Mounting | — | Resistors, Axial Diameter Horizontal Mounting | Dual-In-Line Packages |
| Pin Count | 8 | 8 | 8 | 14 | 2 | — | 2 | 8 |
| Temperature Range | ~ 105.0°C | ~ 70.0°C | ~ 70.0°C | ~ 70.0°C | -55.0°C ~ 155.0°C | — | -55.0°C ~ 155.0°C | ~ 70.0°C |
| Price | — | $0.3104 | $0.3232 | $0.5274 | $0.0521 | $0.5917 | $0.0656 | $0.2268 |
| Stock | In Stock | In Stock | In Stock | In Stock | In Stock | In Stock | In Stock | In Stock |
| Lifecycle | OBSOLETE | ACTIVE | ACTIVE | ACTIVE | ACTIVE | — | ACTIVE | ACTIVE |
| Electrical Parameters | ||||||||
| YTEOL | 0 | 6 | 15 | 0 | 7 | — | 7 | 6 |
| 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 | 25 V | 28 V | 30 V | — | — | — | 30 V |
| Input Voltage-Min | 12 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-PDIP-T8 | R-PDIP-T8 | R-PDIP-T8 | R-PDSO-G14 | — | — | — | R-PDIP-T8 |
| Number of Functions | 1 | 1 | 1 | 1 | — | — | — | 1 |
| Output Current-Max | 1 A | 1 A | 1 A | 1 A | — | — | — | 1 A |
| Package Body Material | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | — | — | — | PLASTIC/EPOXY |
| Package Shape | RECTANGULAR | RECTANGULAR | RECTANGULAR | RECTANGULAR | TUBULAR PACKAGE | — | TUBULAR PACKAGE | RECTANGULAR |
| Package Style | IN-LINE | IN-LINE | IN-LINE | SMALL OUTLINE | Axial | — | Axial | IN-LINE |
| Qualification Status | Not Qualified | Not Qualified | Not Qualified | Not Qualified | — | — | — | Not Qualified |
| Surface Mount | NO | NO | NO | YES | NO | — | NO | NO |
| Switcher Configuration | SINGLE | BUCK-BOOST | BUCK-BOOST | SINGLE | — | — | — | SINGLE |
| Switching Frequency-Max | 500 kHz | 500 kHz | 500 kHz | 500 kHz | — | — | — | 500 kHz |
| Terminal Form | THROUGH-HOLE | THROUGH-HOLE | THROUGH-HOLE | GULL WING | — | — | — | THROUGH-HOLE |
| Terminal Pitch | 2.54 mm | 2.54 mm | 2.54 mm | 1.27 mm | — | — | — | 2.54 mm |
| Terminal Position | DUAL | DUAL | DUAL | DUAL | — | — | — | DUAL |
| ## UC3842TN Alternates Showing results | Image | — | — | — | — | — | — | — |
| Pbfree Code | — | Yes | Yes | — | Yes | — | Yes | — |
| Manufacturer Package Code | — | 626-05 | — | — | — | — | — | — |
| JESD-609 Code | — | e3 | e4 | e0 | e3 | — | e3 | e3 |
| Package Equivalence Code | — | DIP8,.3 | DIP8,.3 | SOP14,.25 | — | — | — | DIP8,.3 |
| Technology | — | BIPOLAR | BIPOLAR | BIPOLAR | THIN FILM | — | THIN FILM | BIPOLAR |
| Temperature Grade | — | COMMERCIAL | COMMERCIAL | COMMERCIAL | — | — | — | COMMERCIAL |
| Terminal Finish | — | MATTE TIN | Nickel/Palladium/Gold (Ni/Pd/Au) | TIN LEAD | Tin (Sn) | — | Tin (Sn) | Matte Tin (Sn) - annealed |
| Output Voltage-Max | — | — | 5.1 V | 5.1 V | — | — | — | — |
| Output Voltage-Min | — | — | 4.9 V | 4.9 V | — | — | — | — |
| Output Voltage-Nom | — | — | 5 V | 5 V | — | — | — | — |
| Supply Current-Max (Isup) | — | — | 25 mA | — | — | — | — | — |
| Supply Voltage-Max (Vsup) | — | — | 28 V | — | — | — | — | — |
| Supply Voltage-Min (Vsup) | — | — | 16 V | — | — | — | — | — |
| Supply Voltage-Nom (Vsup) | — | — | 11 V | — | — | — | — | — |
| Factory Lead Time | — | — | — | 4 Weeks | — | — | — | 14 Weeks |
| Peak Reflow Temperature (Cel) | — | — | — | 235 | — | — | — | NOT SPECIFIED |
| ## UC3842AD Alternates Showing results | — | — | — | Image | — | — | — | — |
| Reach Compliance Code | — | — | — | — | Compliant | — | Compliant | — |
| Construction | — | — | — | — | Tubular | — | Tubular | — |
| Lead Diameter | — | — | — | — | 0.7 mm | — | 0.7 mm | — |
| Lead Length | — | — | — | — | 28 mm | — | 28 mm | — |
| Mounting Feature | — | — | — | — | THROUGH HOLE MOUNT | — | THROUGH HOLE MOUNT | — |
| Package Diameter | — | — | — | — | 5.5 mm | — | 5.5 mm | — |
| Package Length | — | — | — | — | 16 mm | — | 16 mm | — |
| Packing Method | — | — | — | — | AMMO PACK | — | AMMO PACK | — |
| Physical Dimension | — | — | — | — | 16mm x 5.5mm | — | 16mm x 5.5mm | — |
| Rated Power Dissipation (P) | — | — | — | — | 2 W | — | 2 W | — |
| Rated Temperature | — | — | — | — | 70 °C | — | 70 °C | — |
| Resistance | — | — | — | — | 100 Ω | — | 100000 Ω | — |
| Resistor Type | — | — | — | — | FIXED RESISTOR | — | FIXED RESISTOR | — |
| Temperature Coefficient | — | — | — | — | -450, 0 ppm/°C | — | -700, 0 ppm/°C | — |
| Terminal Shape | — | — | — | — | WIRE | — | WIRE | — |
| Tolerance | — | — | — | — | 5% | — | 5% | — |
| Working Voltage | — | — | — | — | 500 V | — | 500 V | — |
| Configuration Features: Number of Resistors 1 | — | — | — | — | Dimensions: Passive Component Dimensions 16 x 5.5 MM | — | Dimensions: Passive Component Dimensions 16 x 5.5 MM | — |
| Resistance Class Up to 1kΩ | — | — | — | — | Resistance Value 100 OHM | — | — | — |
| Operating Voltage 500 V | — | — | — | — | Packaging Features: Packaging Method Ammo Packed | — | — | — |
| Resistor Type General Purpose Resistor | — | — | — | — | Element Type Carbon Film | — | — | — |
| Resistance Value 100K OHM | — | — | — | — | — | — | Power Rating 2 WATT | — |
| Resistance Class 1kΩ – 1MΩ | — | — | — | — | — | — | Packaging Features: Packaging Method Ammo Packed | — |
| Element Type Carbon Film | — | — | — | — | — | — | Resistor Type General Purpose Resistor | — |
| Time@Peak Reflow Temperature-Max (s) | — | — | — | — | — | — | — | NOT SPECIFIED |
| ## UC3842BN 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 7 alternatives for UC3842TN — response within 24 hours.
Quick Links
Rochester Electronics LLC 1A SWITCHING CONTROLLER, 500kHz SWITCHING FREQ-MAX, PDIP8, HALOGEN AND LEAD FREE, PLASTIC, DIP-8
Switching Controller, Current-mode, 1A, 500kHz Switching Freq-Max, BIPolar, PDIP8
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Why Look for Alternatives?
Finding alternatives for UC3842TN 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 UC3842TN 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.
Can't Find What You Need?
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FAQ
What is equivalent to UC3842TN?
Known equivalents for UC3842TN include UC3842BNG, UC3842AN, UC3842AD. Contact FindMyChip for a full compatibility analysis for your specific application.
Can I use a different manufacturer's part instead of UC3842TN?
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 UC3842TN 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.