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TRACOPOWER TMR 3-1222 DC/DC Converter 12V DC ±12V Dual Output, 125 mA, 9 - 18V DC Input, 3 W, Through Hole, SIP-8
Specifications
| Country of Origin | Taiwan |
|---|---|
| Voltage | Converters / DC-DC Converters TRACOPOWER TMR 3 DC/DC Converter, 12V dc/ 125 mA |
| Brand | TRACOPOWER |
| Efficiency | 83% |
| Length | 21.8mm |
| Model | TMR 3-1222 |
| Depth | 11.1mm |
| Width | 9.2mm |
| Mount Type | Through Hole |
| Series | TMR 3 |
| Maximum Operating Temperature | 85°C |
| Package Type | SIP |
| Minimum Operating Temperature | -40°C |
| MTBF | 4870000h |
| Number of outputs | 2 |
| Maximum Output Power | 3W |
| Maximum Input Voltage | 18V dc |
| Short Circuit Protection | Continuous |
| Standards/Approvals | RoHS |
| Minimum Input Voltage | 9V |
| Number of Pins | 7 |
| Output Voltage 1 | 12V dc |
| Output Current 1 | 125mA |
| Isolation Voltage | 1.5kV dc |
| Input Ratio | 2:1 |
| Input Ratio 2 | 1 |
| Output Voltage 2 | -12V dc |
| Wide 2 | 1 input voltage range |
Key Features
- Dual regulated +12V and -12V DC outputs at 125 mA each.
- Wide input voltage range from 9V to 18V DC.
- Delivers up to 3 W output power with 83% efficiency.
- Compact SIP-8 through hole package for easy integration.
- Operates reliably from -40°C to 85°C.
- Input to output isolation voltage of 1.5 kV DC.
- Includes continuous short circuit protection.
- Remote On/Off control function supported.
Product Description
The TRACOPOWER TMR 3-1222 is a high-performance DC/DC converter designed to provide regulated dual outputs of +12V and -12V DC with a maximum current output of 125 mA on each channel. Optimized for industrial and instrumentation applications, this compact unit supports a wide input voltage range from 9V to 18V DC, making it suitable for a variety of regulated low-power system designs requiring robust performance and reliability.
This converter delivers up to 3 W of continuous output power with an impressive efficiency of 83%. The use of a single in-line package (SIP-8) allows for space-saving through hole PCB mounting, enabling clean integration into tightly packed circuit boards. The unit is engineered to maintain stable output voltage over a wide operating temperature range from -40°C to 85°C, ensuring consistent performance even in harsh industrial environments.
Key protective features include a 1.5 kV DC input-output isolation barrier, contributing to safety by electrically separating critical circuits and supporting robust noise immunity. The TMR 3-1222 supports continuous short circuit protection and includes remote On/Off control capability for enhanced operational safety and convenient system-level integration. Compliant with international safety and RoHS standards, the converter ensures reliable, long-term operation with a demonstrated MTBF of 4,870,000 hours.
This DC/DC converter is well-suited for use in industrial control panels, communication equipment, process instrumentation, and other applications demanding compact, efficient, isolated DC voltage conversion. Its combination of high reliability, compact form factor, and advanced protective features makes it ideal for modern electronic systems subject to space and operational constraints.
Principal applications include powering analog circuitry in measurement systems, signal conditioning, PLCs, medical instrumentation interfaces (excluding life-support), and distributed embedded systems.
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Frequently Asked Questions
The TMR 3-1222 operates with an input voltage range from 9V to 18V DC.
It provides dual regulated outputs of +12V and -12V DC, with a maximum output current of 125 mA for each channel.
The maximum output power of this converter is 3 W.
The TMR 3-1222 has an efficiency rating of 83%.
This model has dimensions of 21.8 mm in length, 11.1 mm in depth, and 9.2 mm in width.
It supports through hole mounting, designed as a compact SIP-8 package for easy integration.
The TMR 3-1222 operates reliably within a temperature range of -40°C to 85°C.
Yes, it includes continuous short circuit protection and has an isolation voltage of 1.5 kV DC.
The MTBF for the TMR 3-1222 is 4,870,000 hours.
It complies with RoHS standards, ensuring it meets environmental safety requirements.
This model is well-suited for industrial control panels, communication equipment, and process instrumentation.
The TMR 3-1222 has two outputs, providing both +12V and -12V DC.
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