PT4121C
DC DC CONVERTER 3.3V 20W
Dc Dc Converters
6-SMD Module
PT4120 (20W)
Obsolete
$45.45 / unit (market reference)
MOQ: 7 pcs
Submit your quantity via the inquiry form for a competitive quote within 24 hours.
Parameters
| Parameter | Value |
|---|---|
| Brand | Rochester Electronics, LLC |
| Model | PT4121C |
| Package / Case | 6-SMD Module |
| Mounting Type | Surface Mount |
| Operating Temperature | -40°C ~ 85°C |
| Voltage - Input (Min) | 36V |
| Voltage - Input (Max) | 75V |
| Number of Outputs | 1 |
| Efficiency | 78% |
| RoHS | RoHS |
| Part Status | Obsolete |
Application & Notes
PT4121C by Rochester Electronics, LLC is a power conversion IC commonly used in power supply designs, battery-powered devices, and DC-DC conversion modules. Input voltage up to 75V, output adjustable. The 6-SMD Module package with surface mount mounting is standard for compact designs. Pay attention to input/output capacitor selection and PCB layout — switching regulators are sensitive to trace inductance.
📖 Technical Guides for PT4121C
Alternatives & Replacements
View All →K7805MT-500R4
DC DC CONVERTER +/-5V 4W
PTH03050YAZT
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PTH12050WAST
DC DC CONVERTER 1.2-5.5V
PTH03050WAS
DC DC CONVERTER 0.8-2.5V 6A
K7809MT-500R4
DC DC CONVERTER +/-9V 6.3W
K7815MT-500R4
DC DC CONVERTER +/-15V 9.8W
All Technical Specifications
| Type | Isolated Module |
| Features | Remote On/Off, OTP, SCP, UVLO |
| Efficiency | 78% |
| Applications | ITE (Commercial) |
| Power (Watts) | 20 W |
| Size / Dimension | 1.67" L x 1.48" W x 0.34" H (42.4mm x 37.6mm x 8.6mm) |
| Number of Outputs | 1 |
| Voltage - Output 1 | 3.3V |
| Voltage - Isolation | 1.5 kV |
| Voltage - Input (Max) | 75V |
| Voltage - Input (Min) | 36V |
| Current - Output (Max) | 5A |
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