UCC28C42DAlternatives & Equivalent Parts
About UCC28C42D
UCC28C42D 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.
Specification Comparison
| Parameter | UCC28C42DSource | UCC38C42DRG4 | UCC28C42DG4 | UCC38C42DG4 | SMBJ33A |
|---|---|---|---|---|---|
| Manufacturer | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments | STMicroelectronics |
| Package Type | Small Outline Packages | Small Outline Packages | Small Outline Packages | Small Outline Packages | Other |
| Pin Count | 8 | 8 | 8 | 8 | 2 |
| Temperature Range | -40.0°C ~ 105.0°C | ~ 70.0°C | -40.0°C ~ 105.0°C | ~ 70.0°C | -55.0°C ~ 150.0°C |
| Price | $0.3116 | $0.4770 | $0.7626 | $0.9631 | — |
| Electrical Parameters | |||||
| Pbfree Code | Yes | Yes | Yes | Yes | — |
| YTEOL | 0 | 15 | 0 | 0 | 6.06 |
| Additional Feature | ALSO OPERATES IN CURRENT MODE | ALSO OPERATES IN CURRENT MODE | ALSO OPERATES IN CURRENT MODE | ALSO OPERATES IN CURRENT MODE | — |
| Analog IC - Other Type | SWITCHING CONTROLLER | SWITCHING CONTROLLER | SWITCHING CONTROLLER | SWITCHING CONTROLLER | — |
| Control Mode | CURRENT-MODE | CURRENT-MODE | CURRENT-MODE | CURRENT-MODE | — |
| Control Technique | PULSE WIDTH MODULATION | PULSE WIDTH MODULATION | PULSE WIDTH MODULATION | PULSE WIDTH MODULATION | — |
| Input Voltage-Max | 18 V | 18 V | 18 V | 18 V | — |
| Input Voltage-Min | 12 V | 12 V | 12 V | 12 V | — |
| Input Voltage-Nom | 15 V | 15 V | 15 V | 15 V | — |
| JESD-30 Code | R-PDSO-G8 | R-PDSO-G8 | R-PDSO-G8 | R-PDSO-G8 | R-PDSO-C2 |
| JESD-609 Code | e4 | e4 | e4 | e4 | e3 |
| Number of Functions | 1 | 1 | 1 | 1 | — |
| Output Current-Max | 1 A | 1 A | 1 A | 1 A | — |
| Output Voltage-Max | 18 V | 18 V | 18 V | 18 V | — |
| Package Body Material | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY |
| Package Equivalence Code | SOP8,.25 | SOP8,.25 | SOP8,.25 | SOP8,.25 | — |
| Package Shape | RECTANGULAR | RECTANGULAR | RECTANGULAR | RECTANGULAR | RECTANGULAR |
| Package Style | SMALL OUTLINE | SMALL OUTLINE | SMALL OUTLINE | SMALL OUTLINE | SMALL OUTLINE |
| Peak Reflow Temperature (Cel) | 260 | 260 | 260 | 260 | 260 |
| Qualification Status | Not Qualified | Not Qualified | Not Qualified | Not Qualified | — |
| Supply Current-Max (Isup) | 3 mA | 3 mA | 3 mA | 3 mA | — |
| Supply Voltage-Max (Vsup) | 18 V | 18 V | 18 V | 18 V | — |
| Surface Mount | YES | YES | YES | YES | YES |
| Switcher Configuration | SINGLE | SINGLE | SINGLE | SINGLE | — |
| Switching Frequency-Max | 1000 kHz | 1000 kHz | 1000 kHz | 1000 kHz | — |
| Technology | BICMOS | BICMOS | BICMOS | BICMOS | AVALANCHE |
| Temperature Grade | INDUSTRIAL | COMMERCIAL | INDUSTRIAL | COMMERCIAL | — |
| Terminal Finish | Nickel/Palladium/Gold (Ni/Pd/Au) | Nickel/Palladium/Gold (Ni/Pd/Au) | Nickel/Palladium/Gold (Ni/Pd/Au) | Nickel/Palladium/Gold (Ni/Pd/Au) | Matte Tin (Sn) - annealed |
| Terminal Form | GULL WING | GULL WING | GULL WING | GULL WING | C BEND |
| Terminal Pitch | 1.27 mm | 1.27 mm | 1.27 mm | 1.27 mm | — |
| Terminal Position | DUAL | DUAL | DUAL | DUAL | DUAL |
| Time@Peak Reflow Temperature-Max (s) | NOT SPECIFIED | 30 | NOT SPECIFIED | NOT SPECIFIED | 30 |
| ## UCC28C42D Alternates Showing results | Image | — | — | — | — |
| Reach Compliance Code | — | Compliant | — | — | — |
| Breakdown Voltage-Min | — | — | — | — | 36.7 V |
| Breakdown Voltage-Nom | — | — | — | — | 38.6 V |
| Clamping Voltage-Max | — | — | — | — | 53.3 V |
| Configuration | — | — | — | — | SINGLE, 1 CHANNEL |
| Diode Element Material | — | — | — | — | SILICON |
| Diode Type | — | — | — | — | TRANS VOLTAGE SUPPRESSOR DIODE |
| JEDEC-95 Code | — | — | — | — | DO-214AA |
| Non-rep Peak Rev Power Dis-Max | — | — | — | — | 600 W |
| Number of Elements | — | — | — | — | 1 |
| Polarity | — | — | — | — | UNIDIRECTIONAL |
| Reference Standard | — | — | — | — | IEC-61000-4-2, 4-4, 4-5; MIL-STD-750; MIL-STD-883 |
| Rep Pk Reverse Voltage-Max | — | — | — | — | 33 V |
| Reverse Current-Max | — | — | — | — | 0.2 µA |
| Reverse Test Voltage | — | — | — | — | 33 V |
| ## SMBJ33A Alternates Showing results | — | — | — | — | Image |
Cells highlighted in yellow indicate differing values across parts. Always verify with official datasheets before substitution.
Quick Links
Switching Controller, Current-mode, 1A, 1000kHz Switching Freq-Max, BICMOS, PDSO8
Switching Controller, Current-mode, 1A, 1000kHz Switching Freq-Max, BICMOS, PDSO8
Switching Controller, Current-mode, 1A, 1000kHz Switching Freq-Max, BICMOS, PDSO8
Why Look for Alternatives?
Finding alternatives for UCC28C42D 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 UCC28C42D 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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What is equivalent to UCC28C42D?
Known equivalents for UCC28C42D include UCC38C42DRG4, UCC28C42DG4, UCC38C42DG4. Contact FindMyChip for a full compatibility analysis for your specific application.
Can I use a different manufacturer's part instead of UCC28C42D?
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 UCC28C42D 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.