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Polytron TWB3 Series DC-DC Converters, 3 Watt Single and Dual Output, 1.25” x 0.80” x 0.50”


Price (Each): Call or e-mail for quotes or to order.
Available to Order
Item Number: TWB3

 

Short circuit protection in 24-pin DIP package

With an industry standard package and pinout, our 3 watt single and dual output DC-DC converter features 4:1 wide input range, 500 Vdc input/output isolation and no external components.

TWB3 Series Specification Sheet PDF


 

Model Number Input Voltage
Range (Vdc)
Output Voltage
(Vdc)
Output Current
(mA)
Efficiency
%
Case
Single Output
TWB3-24S5 12 (9-36) 5 500 62 B
TWB3-24S12 12 250 62 B
TWB3-24S15 15 200 65 B
TWB3-48S5 24 (18-72) 5 500 70 B
TWB3-48S12 12 250 70 B
TWB3-48S15 15 200 70 B
Dual Output
TWB3-24-5 12 (9-36) ±5 ±250 63 B
TWB3-24-12 ±12 ±125 64 B
TWB3-24-15 ±15 ±100 64 B
TWB3-48-5 24 (18-72) ±5 ±250 61 B
TWB3-48-12 ±12 ±125 68 B
TWB3-48-155 ±15 ±100 72 B



Input and Output Specifications:

INPUT

  • Input Voltages
    • 24 Vdc: 9 - 36 Vdc
    • 48 Vdc: 18 - 72 Vdc
  • Input Filter: Capacitor type (pi network)

OUTPUT

  • Voltage Accuracy: ±4% max.
  • Line Regulation: 1% max.
  • Load Regulation:
    • +Vdc 1% max.
    • -Vdc 2.5% max.
  • Ripple Noise of 20MHz Bw: 150 mVp-p max.
  • Temperature Coefficient (at FL): 0.02%/°C max.
  • Short Circuit Protection: Fold Back

More Specifications:

GENERAL

  • Efficiency: Up to 72%
  • Isolation Voltage: 500 Vdc min.
  • Isolation Resistance: 1000 MOhms
  • Switching Frequency: 50 KHz min.

ENVIRONMENTAL

  • Operating Temperature Range: -20 to 71°C
  • Storage Temperature Range: -40 to 105°C
  • Derating: None
  • Cooling: Free Air Convection
  • Humidity: 20 - 95% RH Non-Condensing

 

PHYSICAL

  • Case Material: Non-Conductive Black Plastic
  • Weight: 0.8 oz. (22 g)
  • Dimensions: 1.25” x 0.80” x 0.50”

 

 

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