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All specifications valid at nominal input voltage, full load and +25°C after warm-up time unless otherwise stated.

DC/DC Converters

THL 25 Series

25 Watt

General Specifications

Temperature ranges

– Operating (natural convection 20 LFM)

–40°C to +80°C (with derating)

– Operating with heat sink (natural convection 20 LFM) –40°C to +85°C (with derating)

– Case temperature

+105°C max.

– Storage

–50°C to +125°C

Load derating

– without heat sink

2.0 %/K above +55°C

(natural convection 20 LFM, – with heat sink

2.5 %/K above +65°C

typical values over series)

Thermal impedance

– Natural convection

17.6°C/W

– Natural convection with heat sink

14.8°C/W

Humidity (non condensing)

95 % rel H max.

Reliability, calculated MTBF (MIL-HDBK-217F, at +25°C, ground benign)

>372’000 h

Isolation voltage (60sec.)

– Input/Output

1500 VDC

Isolation capacitance

– Input/Output

2000 pF max.

Isolation resistance

– Input/Output (500 VDC)

>1000 MOhm

Remote On/Off

– On:

3.5 ... 15 VDC or open circuit

– Off:

0 ... 1.2 VDC or short circuit pin 6 and pin 2

– Off idle current:

3 mA typ.

Switching frequency (fixed)

285 kHz typ. (pulse width modulation PWM)

Safety standards (designed to meet)

UL/cUL 60950-1, IEC/EN 60950-1

Safety approvals

– CB test certificate according IEC 60950-1

www.tracopower.com/products/thl25-cb.pdf

– CSA certificate for UL/CSA 60950-1(pending)

www.tracopower.com/products/thl25-csa.pdf

Environmental compliance

– Reach

www.tracopower.com/products/reach-declaration.pdf

– RoHS

RoHS directive 2011/65/EU

Physical Specifications

Casing material

metal

Baseplate

non conductive FR4

Potting material

epoxy (UL 94V-0 rated)

Weight

16.5 g (0.58 oz)

Soldering temperature

max. 260°C / 10sec.