40W DIP Type DC DC Converter Module : D40 Series
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DIP Type DC-DC Converter

40W DIP Type DC/DC Converter : D40

D40 - 33~40 Watts DIP type Wide input range DC-DC Converter with Isolation


DC-DC Converter- Isolation - Module

33~40W Isolated Wide Input DC/DC Converter Modules meets industry standard package and high efficiency.
  • 33~40W DIL Package
  • 9-18V,18-36V,36-75V, 9~36V, 18~75V Wide Input Range
  • Six-Side Shielded Case
  • Industry Standard Package
  • High Efficiency
  • 100% Burn In
  • UL94V-0 package material
  • 3 years warranty
  • RoHS Compliant
Input Voltage Range 2:1& 4:1 Input Range
Input Filter Pi Network
Protection Fuse Recommend
Voltage Set-point Accuracy ±2% (Max.)
Temperature Coefficint ±0.03%℃
Ripple & Noise (20MHz BW)¹ 100mVp-p (Max.)
Line Regulation ±0.5% (Max.)
Load Regulation ±0.5% (Max.)
Minimum Load 10% of Full Load
Short Circuit Protection Continuous
Short Circuit Restart Automatic
Transient Response 500uS max.
Efficiency 90% (Typ.) (Typ.)
Isolation Voltage 1500VDC min.
Isolation Resistance 10⁹ΩMin.
Isolation Capacitance 2500pF max.
Switching Frequency 250KHz (Typ.)
Operating Temperature -40℃ To+60℃(w/o Heat-Sink) ; -40℃ To+75℃(with Heat-Sink)
Storage Temperature -55℃ To +100℃
Humidity 95% max.
Cooling Free-Air Convection
Case size 50.8x50.8x11.0mm
Weight 50g (Typ.)
Packing 5pcs/tube ; 200pcs per carton

Model No. I/P Vol. O/P Vol. O/P Current O/P Watts (max.)
D40-10(HS) 9~18VDC 3.3 VDC 10000mA 33W
D40-11(HS) 9~18VDC 5 VDC 8000mA 40W
D40-11B(HS) 9~18VDC 9 VDC 4444mA 40W
D40-12(HS) 9~18VDC 12 VDC 3333mA 40W
D40-13(HS) 9~18VDC 15 VDC 2667mA 40W
D40-20(HS) 18~36VDC 3.3 VDC 10000mA 33W
D40-21(HS) 18~36VDC 5 VDC 8000mA 40W
D40-21B(HS) 18~36VDC 9 VDC 4444mA 40W
D40-22(HS) 18~36VDC 12 VDC 3333mA 40W
D40-23(HS) 18~36VDC 15 VDC 2667mA 40W
D40-30(HS) 36~75VDC 3.3 VDC 10000mA 33W
D40-31(HS) 36~75VDC 5 VDC 8000mA 40W
D40-31B(HS) 36~75VDC 9 VDC 4444mA 40W
D40-32(HS) 36~75VDC 12 VDC 3333mA 40W
D40-33(HS) 36~75VDC 15 VDC 2667mA 40W
D40-40(HS) 9~36VDC 3.3 VDC 10000mA 33W
D40-41(HS) 9~36VDC 5 VDC 8000mA 40W
D40-41B(HS) 9~36VDC 9 VDC 4444mA 40W
D40-42(HS) 9~36VDC 12 VDC 3333mA 40W
D40-43(HS) 9~36VDC 15 VDC 2667mA 40W
D40-50(HS) 18~75VDC 3.3 VDC 10000mA 33W
D40-51(HS)B 18~75VDC 5 VDC 8000mA 40W
D40-51B(HS) 18~75VDC 9 VDC 4444mA 40W
D40-52(HS) 18~75VDC 12 VDC 3333mA 40W
D40-53(HS) 18~75VDC 15 VDC 2667mA 40W


  1. Measured with 1uF ceramic capacitor connect to the output pins.
  2. Load Regulation is for output load current change from 10% to 100%.
  3. High line to low line.

Ordering Information:

  • Note: Suffix “HS” for Heat Sink Type
Mechanical Drawing (Unit: mm)