DC/DC Converter TRA 3 Series, 3 Watt Semi-regulated output (load) Highest power density 3W SIP-Converter Industry standard pinout High efficiency up to 89% I/O isolation voltage 1000 VDC UL 62368-1 IEC 62368-1 Operating temperature range The TRA 3 series are miniature, I/O-isolated 3W DC/DC-converters with a semi 40C to +95C load regulation. They are the ideal solution to power drivers and circuits where unregulated DC/DC converters do not meet the input voltage range at load 3-year product warranty change Models Order Code Input Voltage Output Voltage Output Current Efficiency Range nom. max. typ. TRA 3-0511 5 VDC 600 mA 83 % TRA 3-0519 9 VDC 333 mA 87 % 4.5 - 5.5 VDC (5 VDC nom.) TRA 3-0512 12 VDC 250 mA 86 % TRA 3-0513 15 VDC 200 mA 88 % TRA 3-1211 5 VDC 600 mA 84 % TRA 3-1219 9 VDC 333 mA 88 % 10.8 - 13.2 VDC (12 VDC nom.) TRA 3-1212 12 VDC 250 mA 88 % TRA 3-1213 15 VDC 200 mA 89 % TRA 3-2411 5 VDC 600 mA 82 % TRA 3-2419 9 VDC 333 mA 85 % 21.6 - 26.4 VDC (24 VDC nom.) TRA 3-2412 12 VDC 250 mA 86 % TRA 3-2413 15 VDC 200 mA 85 % Page 1 / 4 www.tracopower.com January 7, 2022TRA 3 Series, 3 Watt Input Specifications Input Current - At no load 5 Vin models: 50 mA typ. 12 Vin models: 40 mA typ. 24 Vin models: 30 mA typ. - At full load 5 Vin models: 700 mA max. 12 Vin models: 285 mA max. 24 Vin models: 150 mA max. Surge Voltage 5 Vin models: 9 VDC max. (1 s max.) 12 Vin models: 18 VDC max. (1 s max.) 24 Vin models: 30 VDC max. (1 s max.) Recommended Input Fuse 5 Vin models: 2 000 mA (slow blow) 12 Vin models: 1 000 mA (slow blow) 24 Vin models: 500 mA (slow blow) (The need of an external fuse has to be assessed in the final application.) Input Filter Internal Capacitor Output Specifications Voltage Set Accuracy 3% max. (at 80% load) Regulation - Input Variation (1% Vin step) 1.2% max. - Load Variation See application note: www.tracopower.com/overview/tra3 Ripple and Noise - 20 MHz Bandwidth 100 mVp-p max. Capacitive Load 220 F max. Minimum Load 2 % of Iout max. (Operation at lower load will not damage the converter, but it may not meet all specifications) Temperature Coefficient 0.02 %/K max. Short Circuit Protection Limited 0.5 s max., Automatic recovery Safety Specifications Safety Standards - IT / Multimedia Equipment CSA-C22.2, No. 60950-1 EN 60950-1 EN 62368-1 IEC 60950-1 IEC 62368-1 UL 60950-1 UL 62368-1 www.tracopower.com/overview/tra3 - Certification Documents Pollution Degree PD 3 Over Voltage Category Not mains connected General Specifications Relative Humidity 95% max. (non condensing) Temperature Ranges - Operating Temperature 40C to +95C - Case Temperature +100C max. - Storage Temperature 50C to +125C Power Derating - High Temperature 5 %/K above 85C Cooling System Natural convection (20 LFM) Altitude During Operation 6 000 m max. Switching Frequency 60 kHz min. (PWM) Insulation System Functional Insulation Isolation Test Voltage - Input to Output, 60 s 1 000 VDC - Input to Output, 1 s 1 200 VDC Isolation Resistance - Input to Output, 500 VDC 1 000 M min. All specifications valid at nominal voltage, resistive full load and +25C after warm-up time, unless otherwise stated. Page 2 / 4 www.tracopower.com January 7, 2022