Datasheet
http://w ww.tracopower.com
DC/DC Converters
TEN 40N Series 40 Watt
All specifications valid at nominal input voltage, full load and +25°C after warm-up time unless otherwise stated.
Page 3 of 4
General Specifications
Temperature ranges – Operating (natural convection cooling 20 LFM) –40°C to +80°C (see load derating)
– Case temperature +105°C max.
– Storage –50°C to +125°C
Load derating – without heatsink 3.3 VDC models: 2.5 %/K above 66°C
(natural convection cooling 20 LFM) other single output models: 1.6 %/K above 46°C
dual output models: 1.5 %/K above 40°C
– with heatsink 3.3 VDC models: 3.1 %/K above 73°C
other single output models: 2.0 %/K above 57°C
dual output models: 1.9 %/K above 52°C
Humidity (non condensing) 95 % rel H max.
Reliability, calculated MTBF (MIL-HDBK-217F, at +25°C, ground benign) 328’000 h
Isolation voltage (60 sec.) – Input/Output 1500 VDC
Isolation capacitance – Input/Output 1500 pF typ.
Isolation resistance – Input/Output >1000 Mohm
Switching frequency (fixed) 24 VDC models: 285 kHz typ.
other models: 320 kHz typ. (pulse width modulation PWM)
Altitude during operation 5‘000 m max. (16‘40 0 f t ) approved
Safety standards (designed to meet) IEC/EN 60950-1 (2nd Ed) + A1:2009
CAN/CSA-C22.2 No 60950-1-07 + Am1:2011
UL 60950-1, (2nd Ed) + Am1:2011
– Certification documents www.tracopower.com/overwiew/ten40n
Remote On/Off – On: 3.5 to 12 VDC or open circuit.
– Off: 0 to +1.2 VDC or short circuit pin 3 and pin 2
– Off idle current: 2.5 mA max.
Physical Specifications
Casing material aluminum
Potting material epoxy (UL 94V-0 rated)
Weight 30 g (1.05 oz)
Soldering temperature max. 260°C / 10 sec.
Environmental compliance – Reach www.tracopower.com/overview/ten40n
– RoHS RoHS directive 2011/65/EU
Output Voltage Adjustment
Rd
Trim
+Vout
Ru
Trim
-
Vout
Trim up
Ru [kohm]*
output 3.3V 5V 12V 15V output 24V
+5% 7.34 12.30 41.40 50.15 +10% 27.38
+10% 0.65 0.48 2.70 3.58 +20% 0.34
Trim down
Ru [kohm]*
output 3.3V 5V 12V 15V 24V
–5% 8.51 16.53 47.15 63.35 38.04
–10% 0.50 1.24 1.35 4.92 1.12
*approximate values
Application note: www.tracopower.com/products/ten40n-application.pdf