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TRACOPOWER Regulated Isolated DC-DC Converter 5V 300mA 75V DC Input Through Hole SIP Package TMR 3-4821WI
Specifications
| Country of Origin | Taiwan |
|---|---|
| Voltage | Converters / DC-DC Converters TRACOPOWER TMR 3WI DC/DC Converter, 5V dc/ 300 mA |
| Brand | TRACOPOWER |
| Efficiency | 79% |
| Length | 21.8mm |
| Model | TMR 3-4821WI |
| Depth | 11.1mm |
| Width | 9.2mm |
| Mount Type | Through Hole |
| Series | TMR 3WI |
| Maximum Operating Temperature | 85°C |
| Package Type | SIP |
| Minimum Operating Temperature | -40°C |
| MTBF | 3400000h |
| Number of outputs | 2 |
| Maximum Output Power | 3W |
| Maximum Input Voltage | 75V dc |
| Standards/Approvals | RoHS |
| Minimum Input Voltage | 18V |
| Number of Pins | 7 |
| Output Voltage 1 | 5V dc |
| Output Current 1 | 300mA |
| Output Voltage Adjustment Range | 18/75 V |
| Isolation Voltage | 1.5kV dc |
| Input Ratio | 4:1 |
| Output Voltage 2 | -5V dc |
| Input Ratio 4 | 1 |
| Ultra wide 4 | 1 input range |
Key Features
- Compact SIP plastic package measuring 21.8 x 9.2 x 11.1 mm.
- High efficiency of approximately 79% for low power loss.
- Wide operating temperature range from -40°C to +85°C.
- Provides dual outputs including +5V and -5V DC outputs.
- Overload and overvoltage protection for robust operation.
- Remote On/Off control capability.
- High isolation voltage of 1500 VDC ensuring safety.
- Mean time between failures (MTBF) of 3,400,000 hours indicating high reliability.
Product Description
TRACOPOWER TMR 3-4821WI DC-DC converter is a regulated, isolated power converter designed for efficient DC voltage conversion in electronic circuits. This model provides a 5V DC output current of 300 mA with a wide 4:1 input voltage ratio spanning 18V up to a maximum of 75V DC, making it adaptable to various power source conditions. Its compact SIP through-hole mounting package has dimensions of 21.8 mm length, 9.2 mm width, and 11.1 mm depth, suitable for applications with limited PCB space.
Operating reliably over a temperature range from -40°C to 85°C, the TMR 3-4821WI demonstrates high efficiency reaching 79% with low heat generation. The module includes dual outputs, +5V and -5V DC, isolation voltage rated at 1.5 kV DC, and comprehensive protections such as overload and overvoltage safeguards, enhancing system safety. It also supports remote On/Off control, facilitating integration in complex systems.
This DC-DC converter is widely implemented in industrial, laboratory, and instrumentation use where stable low power DC conversion is essential, including battery-powered devices requiring high reliability and compact size. The TMR 3WI series is RoHS compliant and meets UL/cUL 60950-1 and IEC 60950-1:2005 standards, confirming adherence to international safety requirements.
Compact SIP plastic package measuring 21.8 x 9.2 x 11.1 mm. High efficiency of approximately 79% for low power dissipation. Wide operating temperature range from -40°C to +85°C ensures versatility. Dual output voltages with isolation up to 1500 VDC.
Overload and overvoltage protections included. Remote On/Off control for flexible operation. Mean time between failures (MTBF) of 3.4 million hours signals high reliability.
The TRACOPOWER TMR 3-4821WI provides a high power density solution for space-critical and battery-powered applications, well-suited to electronic component, power supply, and transformer use cases in the electronics and electricals industry. Explore EnvMart’s catalog to discover similar industrial DC/DC Converters and power supplies from TRACOPOWER and other leading brands.
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Frequently Asked Questions
The maximum input voltage for the TMR 3-4821WI is 75V DC.
This model has dimensions of 21.8 mm in length, 9.2 mm in width, and 11.1 mm in depth.
The converter provides a maximum output current of 300 mA.
It has an efficiency of approximately 79%, which helps minimize power loss.
The TMR 3-4821WI features an isolation voltage of 1.5 kV DC.
It operates reliably within a temperature range of -40°C to +85°C.
This model provides dual outputs: +5V DC and -5V DC.
It uses a through-hole mounting type, suitable for PCB applications.
The converter includes overload and overvoltage protection to enhance safety during operation.
The MTBF for the TMR 3-4821WI is 3,400,000 hours, indicating high reliability.
The input voltage range for the TMR 3-4821WI is from 18V to 75V DC, with a 4:1 input ratio.
Yes, it is RoHS compliant and meets UL/cUL 60950-1 and IEC 60950-1:2005 standards.
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