Browse Categories
PayPal Accept credit cards with QuickBooks Payments
Mailing Lists

Polytron KW25 Series DC-DC Converters, 25 Watt, Single, Dual and Triple Output, Regulated, 2:1 Wide Input Range, 2.85" x 2.66" x 0.87"


Price (Each): Call or e-mail for quotes or to order.
Available to Order
Item Number: KW25

Highly efficient with six-sided shielding

Our 25 watt single, dual and triple output DC-DC converter features input/output isolation, an efficiency of 86%, a minimum switching frequency of 100 KHz and short circuit protection. Six-sided shielding is also available for this epoxy-encapsulated design.

Dimensions: 2.85" x 2.66" x 0.87"

KW25Series Specification Sheet PDF

 

Daburn Part
Number
Input Voltage
(Vdc)
Output Voltage
(Vdc)
Output Current
(mA)
Case
Single Output
KW25-12S5 12 (9-18) 5 5000 J
KW25-12S12 12 2100 J
KW25-12S15 15 1700 J
KW25-24S5 24 (18-36) 5 5000 J
KW25-24S12 12 2100 J
KW25-24S15 15 1700 J
KW25-48S5 48 (36-72)  5 2100 J
KW25-48S12 12 1500 J
KW25-48S15 15 1700 J
Dual Output
KW25-12-5 12 (9-18) ±5 ±2500 J
KW30-12-12 ±12 ±1250 J
KW30-12-15 ±15 ±1000 J
KW25-24-5 24 (18-36) ±5 ±2500 J
KW30-24-12 ±12 ±1250 J
KW30-24-15 ±15 ±1000 J
KW25-48-5 48 (36-72)  ±5 ±2500 J
KW30-48-12 ±12 ±1250 J
KW30-48-15 ±15 ±1000 J
Triple Output
KW25-12S5-12 12 (9-36) 
5/±12 4000 / ±250 J
KW25-12S5-15 5/±15 3500 / ±300 J
KW25-12S12-5 +5 / -5 / 12 +4000 / -300 / 300 J
KW25-24S5-12 24 (18-36) 5/±12 4000 / ±250 J
KW25-24S5-15 5/±15 3500 / ±300 J
KW25-24S12-5 +5 / -5 / 12 +4000 / -300 / 300 J
KW25-48S5-12 48 (18-72) 
5/±12 4000 / ±250 J
KW25-48S5-15 5/±15 3500 / ±300 J
KW25-48S12-5 +5 / -5 / 12 +4000 / -300 / 300 J



Input and Output Specifications:

INPUT

  • Input Voltages
    • 12 Vdc: 9 - 18 Vdc
    • 24 Vdc: 18 - 36 Vdc
    • 48 Vdc: 36 - 72 Vdc

 

OUTPUT

  • Voltage Accuracy: ±1.0%
  • Line Regulation: ±0.1%
  • Load Regulation: ±0.5%
  • Ripple Noise (20 MHz BW): 50mV p-p max.
  • Temperature Coefficient (at FL): ±0.02%/°C max.
  • Transient Response, 25% load step: <250μs

 

More Specifications:

GENERAL

  • Efficiency: 86% max. at FL
  • Isolation Voltage:
    • 500 Vdc min.
    • Up to 3000 Vdc min.
  • Optional Isolation Resistance: 100 MOhms
  • Switching Frequency: 100 KHz typ.
  • Protection
    • Over Current Protection
    • Short Circuit Protection

ENVIRONMENTAL

  • Operating Temperature Range: -25 to 71°C 
  • Storage Temperature Range: -50 to 105°C
  • Cooling: Free Air Convection
  • EMI/RFI
    • Five-Sided Shield
    • Six-Sided Shield (optional)

 

PHYSICAL

  • Case Material: Black coated copper with non-conductive metal base
  • Dimensions: 2.85" x 2.66" x 0.87" (72.5 x 67.5 x 22.0 mm)

 

 

 


Related Products

Polytron DSB(H)1 Series DC-DC Converters, 1 Watt Single and Dual Output Regulated, 4:1 Wide Input Range 0.52" x 0.36" x 0.40"
Polytron DSB(H)1 Series DC-DC Converters, 1 Watt Single and Dual Output Regulated, 4:1 Wide Input Range 0.52" x 0.36" x 0.40"
Extra small SMD or DIP package With available 3000 Vdc input to output isolation, our 1 watt 4:1 wide input DSB(H)1 series DC-DC converter features no minimum load requirement, continuous short circuit protection and an extra small SMD or DIP package.
Polytron HEA2 Series DC-DC Converters, 2 Watt Single and Dual Output 2:1 Wide Input Range 1.25” × 0.80” × 0.40” (31.8 × 20.3 × 10.2 mm)
Polytron HEA2 Series DC-DC Converters, 2 Watt Single and Dual Output 2:1 Wide Input Range 1.25” × 0.80” × 0.40” (31.8 × 20.3 × 10.2 mm)
Extra wide input range (4.5-13.2V, 9-18V, 18-36V, 36-75V), wide temperature range (-40 to +105º C) and high efficiency up to 86 percent. Housed in a SIP 8 package, devices have no minimum load requirement and include remote ON/OFF, short cir. protection.
Polytron HEB2 Series DC-DC Converters, 2 Watt Single and Dual Output 4:1 Wide Input Range 1.86” × 0.16” × 0.36” (21.84 × 4.06 × 9.14 mm)
Polytron HEB2 Series DC-DC Converters, 2 Watt Single and Dual Output 4:1 Wide Input Range 1.86” × 0.16” × 0.36” (21.84 × 4.06 × 9.14 mm)
Extra wide input range (4.5–18 V, 9–36 V and 18–75 V), wide temperature range (-40 to +105º C) and high efficiency up to 82 percent. Housed in a SIP 8 package, no minimum load requirement, remote ON/OFF, short circuit and undervoltage protection.
Polytron SPU1 Series DC-DC Converters, 1 Watt Single & Dual Output, Unregulated single inline package 0.77" x 0.24" x 0.40"
Polytron SPU1 Series DC-DC Converters, 1 Watt Single & Dual Output, Unregulated single inline package 0.77" x 0.24" x 0.40"
With 80% efficiency, our 1 watt single and dual output DC-DC converter offers the options of 1000 Vdc or 3000 Vdc input/output isolation. The design also features 1-watt unregulated output power and a miniature single-inline package (SIP).
Polytron SW1 Series DC-DC Converters, 1 to 2 Watt, Single and Dual Output, 1.25” x 0.34” x 0.57”
Polytron SW1 Series DC-DC Converters, 1 to 2 Watt, Single and Dual Output, 1.25” x 0.34” x 0.57”
Low cost single-inline package Our low cost 1-2 watt single and dual output DC-DC converter has tight regulation and a miniature single-inline package.
Polytron SWA2 Series DC-DC Converters, 2 Watt Single and Dual Output With Miniature SIP Package 0.86" x 0.36" x 0.44"
Polytron SWA2 Series DC-DC Converters, 2 Watt Single and Dual Output With Miniature SIP Package 0.86" x 0.36" x 0.44"
Regulated design, wide input voltage range. Our 2 watt single and dual DC-DC converter offers continuous short circuit protection and has low ripple and noise. This design also features an external on/off control and a SIP package of 0.86" x 0.36" x 0.44"
Polytron SWB3 Series DC-DC Converters, 3 Watt Single & Dual Output, Regulated Wide Input, 4:1 0.86" x 0.36" x 0.44"
Polytron SWB3 Series DC-DC Converters, 3 Watt Single & Dual Output, Regulated Wide Input, 4:1 0.86" x 0.36" x 0.44"
Our 3 watt single and dual output DC-DC converter with a 4:1 input voltage range provides continuous short circuit protection, a SIP package of 0.86" x 0.36" x 0.44" and 82% efficiency. This design also has an external on/off control and is RoHS compliant
Polytron SWBR3 Series DC-DC Converters, 3 Watt 4:1 Wide Input Range, Miniature SIP Package for Railway Applications 0.86 x 0.36 x 0.44
Polytron SWBR3 Series DC-DC Converters, 3 Watt 4:1 Wide Input Range, Miniature SIP Package for Railway Applications 0.86 x 0.36 x 0.44
High efficiency up to 83%, low ripple and noise and 3,000-Vdc input to output isolation. Miniature SIP package of 0.86 x 0.36 x 0.44 inches, ON/OFF control, low standby power and short circuit and overcurrent protection. Meets EN50155 and EN45545-2.
Polytron SWU0.75 Series DC-DC Converters, 0.75 Watt, Single and Dual Output, 0.77” x 0.24” x 0.40”
Polytron SWU0.75 Series DC-DC Converters, 0.75 Watt, Single and Dual Output, 0.77” x 0.24” x 0.40”
Compact and efficient design Our low cost 0.75 watt single and dual output DC-DC converter is highly efficient with 500 Vdc input/output isolation and a miniature single-inline package.
Polytron SWU1/MHIA Series DC-DC Converters, 1 Watt Single and Dual Output, 7-pin SIP Package for Medical Applications 0.77” × 0.39” × 0.5”
Polytron SWU1/MHIA Series DC-DC Converters, 1 Watt Single and Dual Output, 7-pin SIP Package for Medical Applications 0.77” × 0.39” × 0.5”
Single- and dual- unregulated-output, 1-watt DC-DC converters designed for medical applications. Output voltages up to ±15 V and output currents up to 200 mA, high efficiency up to 81%, 4.2 KV AC/6 KV DC isolation.EN60601-1, ANSI/AAMI ES60601-1.
Polytron TW3 Series DC-DC Converters, 3 Watt Single & Dual Output, Isolated, Regulated 24 Pin DIP Package 1.25" x 0.80" x 0.40"
Polytron TW3 Series DC-DC Converters, 3 Watt Single & Dual Output, Isolated, Regulated 24 Pin DIP Package 1.25" x 0.80" x 0.40"
With a high performance pi input filter, our highly efficient and reliable 3 watt single and dual DC-DC converter has highly regulated isolated outputs, 100% burn-in, and no external components. Isolated, Regulated 24 Pin DIP Package.
Polytron TWA3 Series DC-DC Converters, 3 Watt Single & Dual Output, 24 Pin DIP Package 1.25” x 0.80” x 0.50”
Polytron TWA3 Series DC-DC Converters, 3 Watt Single & Dual Output, 24 Pin DIP Package 1.25” x 0.80” x 0.50”
With no external components, our 3 watt single output model of DC-DC converter has short circuit protection, a 2:1 wide input range and new 3.3 Vdc outputs. Dual output models are also available. Regulated 24 Pin DIP Package. Efficiency to 76% @ FL.
Polytron TWA3/MHIA5 Series DC-DC Converters, 3 Watt Single and Dual Output 2:1 Wide Input Range for Medical Applications 1.25" x 0.80" x 0.40"
Polytron TWA3/MHIA5 Series DC-DC Converters, 3 Watt Single and Dual Output 2:1 Wide Input Range for Medical Applications 1.25" x 0.80" x 0.40"
Our 3 watt 2:1 wide input TWA3/MHIA DC-DC converter features a clearance & creepage distance of 8 mm/2 MOPP, EMI class A filter & miniature DIP package. Also features reinforced insulation & operating temperatures between -40 & 105°C with derating.
Polytron TWU1 Series DC-DC Converters, 0.5 to 1 Watt Single Output 0.50” x 0.40” x 0.25”
Polytron TWU1 Series DC-DC Converters, 0.5 to 1 Watt Single Output 0.50” x 0.40” x 0.25”
DC-DC converters with internal SMD construction Our customizable 0.5 to 1.0 watt single output DC-DC converter features a low profile, miniature DIP package, 1000 Vdc input/output isolation and internal SMD Construction.

Product Reviews

(0 Ratings, 0 Reviews)