Datasheet

ManualsBrandsTRACOPOWER ManualsPSU ComponentsDC/DC converter (print) 24 Vdc 1340 mA 20 W No. of outputs: 1 x

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.

DC/DC Converters

THL 20WI Series 20 Watt

General Specifications

Temperature ranges – Operating (convection cooling 50 LFM, 0.25 m/s) –40°C to +75°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 24 Vin; 3.3 VDC models: 2.5 %/K above +64°C

(convection cooling 50 LFM, 0.25 m/s) 48 Vin; 3.3 VDC models: 2.7 %/K above +68°C

5, 12 & 15 VDC single output models: 2.2 %/K above +60°C

24 VDC output models: 2.0 %/K above +55°C

dual output models: 2.2 %/K above +60°C

– with heat sink 24 V; 3.3 VDC models: 3.3 %/K above +70°C

48 V; 3.3 VDC models: 3.2 %/K above +74°C

5, 12 & 15 VDC output models: 3.1 %/K above +67°C

24 VDC output models: 2.7 %/K above +63°C

dual output models: 3.1 %/K above +67°C

Thermal inpedance – Natural convection 18.2°C/W

– Natural convection with heat sink 15.3°C/W

Humidity (non condensing) 95 % rel H max.

Reliability, calculated MTBF (MIL-HDBK-217F, at +25°C, ground benign) > 451’600 h

Isolation voltage (60sec.) – Input/Output 1500 VDC

Isolation capacitance – Input/Output (100 kHz, 1 V) 1500 pF max.

– Input/Case 1000 VDC

– Output/Case 1000 VDC

Isolation resistance – Input/Output (500 VDC) >1000 MOhm

Remote On/Off – On: 3.5 ... 12 VDC or open circuit

– Off: 0 ... 1.2 VDC or short circuit pin 6 and pin 2

– Off idle current: 10 mA

Switching frequency (fixed) 330 kHz typ. (pulse width modulation PWM)

Altitude during operation 5‘000 m max. (16‘40 0 f t ) approved

Safety standards (designed to meet) UL/cUL 60950-1, IEC/EN 60950-1

Safety approvals – CSA certificate of compliance CAN/CSA-C22.2 No 60950-1-07, Am 1:2011

ANSI/UL Std No 60950-1, 2nd Ed, AM 1:2011

– CB test certificate IEC 60950-1:2005 2nd Ed, Am 1:2009

– Certification documents www.tracopower.com/overview/thl20wi

Environmental compliance – Reach www.tracopower.com/overview/thl20wi

– RoHS RoHS directive 2011/65/EU

Physical Specifications

Casing material aluminium alloy

Pin material copper alloy with gold platet nickel subplate

Baseplate non conductive FR4

Potting material epoxy (UL 94V-0 rated)

Weight 15 g (0.53 oz)

Soldering temperature max. 260°C / 10sec.

Application note : www.tracopower.com/overview/thl20wi