VTC140 Series DC/DC Converter
  • vtc140
  • VTC120i side
  • VTC120i Side
NSN# VTC140
BENEFITS
  • Ultra-Quiet
  • Economical
  • Rugged & Reliable
Electrical [Input]
Model Number VTC140-24-12 VTC240-24-12
Input Volts (DC) 20-35 20-35
Input Amps (Max) 11.6 17.8
Input Fuse (MDA) 12 20
Noise on Input < 10mV
Electrical [Output]
Output Nominal (op) 12
Output Volts (DC) 13.8 ± 0.1
Output Amps 12 cont. / 15 peak 20 cont. / 23 peak
Output Crowbar 16.0 ± 0.5V                  
Output Ripple & Noise < 10 mV
Transient Response < 1V for 50% Surge
Regulation
(Line & Load)
< +/- 0.5%
Duty Cycle Peak 20% for 5 min maximum
Continuous 100% for 24 hours per day
Efficiency > 88% @ Maximum Output
Environmental Specification
Operating Temp. Range 0° to +40°C @ maximum output
Derate Linearly 2.5% per°C from 40°C
Humidity 0 - 95% Relative Humidity
(non-condensing) with optional conformal coating
Audible Noise NONE Ødb @ 3 ft
Typical Service Life >10 years (87,600 hours)
Isolation Any Input or Output to Case 500 VDC
Input to Output – Common Negative)
Mechanical Specification
Length 7.9 in/ 20.1 cm
Width 4.0 in/ 10.2 cm
Height 2.4 in/ 6.1 cm
Material Marine Grade Aluminium
Finish Black Anodize / Powder Epoxy Coat
Fastenings All 18-8 Stainless Steel
Weight 2.0 lb /0.9 kg
2.2 lb /1 kg
Connections Four contact output terminals
Warranty 3 years