Data Sheet
THM 20WI Series, 20 Watt
http://www.tracopower.com Page 3 of 4
All specifications valid at nominal input voltage, full load and +25°C after warm-up time unless otherwise stated.
General Specifications
Overvoltage protection (±)5.0 VDC models: 6.2 VDC typ.
(±)12 VDC models: 15 VDC typ.
(±)15 VDC models: 20 VDC typ.
24 VDC models: 30 VDC typ.
Capacitive load –Single output 5.0 VDC models: 5‘000 F max.
12 VDC models: 850 F max.
15 VDC models: 700 F max.
24 VDC models: 220 F max.
–Dual output ±5 VDC models: 2‘500 F max. (each output)
±12 VDC models: 500 F max. (each output)
±15 VDC models: 350 F max. (each output)
Temperature ranges – Operating –40°C to +80°C
– Case temperature +105°C max.
– Storage temperature –55°C to +125°C
Derating – nominal input 2 %/K above 55°C
– Vin min. / Vin max. 1.82 %/K above 50°C
Overtemperature protection at 115°C typ.
Thermal impedance 14.36 °C/W
Humidity (non condensing) 5 % to 95 % rel H max.
Isolation voltage (50 Hz, 60 s) 5000 VACrms, reinforced
Clearance/creepage 8 mm min.
Leakage current ( at 240 VAC, 60 Hz) 2.5 A max.
Isolation capacitance (input/output) 20 pF typ.
Altitude during operation 5000 m
Reliability, calculated MTBF tbd
Switching frequency 225-285 kHz (pulse width modulation)
Vibration and thermal shock resistance according to MIL-STD-810F
Safety standards/approvals – Medical equipment ANSI/AAMI ES 60601-1:2005/(R)2012,
IEC/EN 60601-1 3rd edition
– Certification documents www.tracopower.com/overview/thm20wi
Environmental compliance – Reach www.tracopower.com/products/reach-declaration.pdf
– RoHS RoHS directive 2011/65/EU
Physical Specifications
Casing material non-conductive plastic
Base material non-conductive plastic
Potting material silicone (UL94 V-0 rated)
Package weight 24 g (0.85oz)
Soldering temperature max. 265°C / 10 s