250W Open Frame Power Supply (3"x5")

TN17-0250 Series
  • Universal Input Voltage Range: 90–264VAC.
  • Built-in Active Power Factor Correction (Active PFC) Function.
  • Delivers 200W with Natural Convection Cooling and up to 250W with Forced Air Cooling.
  • High Efficiency AC-DC Power Supply with Efficiency up to 94.2%.
  • High Power Density Design with Compact Dimensions: 5.0" × 3.0" × 1.3" (Above PCB).
  • Wide Operating Temperature Range: -20°C to +70°C.
  • Comprehensive Protection Features: Short Circuit Protection (SCP), Over Current Protection (OCP), Over Voltage Protection (OVP), and Over Temperature Protection (OTP).
  • Reliable Operation at Altitudes up to 5000m.
  • Compliant with IEC62368-1 Safety Standard.
  • Ideal for Industrial Equipment, Networking Devices, Embedded Systems, and Industrial Automation Applications.

250W Open Frame Power Supply_Specification

Model Name TN17-0250-12TN17-0250-24TN17-0250-48TN17-0250-55
Output Rated Power250 W (with 11.3 CFM)
 Derating Power125W@70°C (Derate linearly from 100% load at +50°C to 50% load at +70°C)
 Output Voltage12 Vdc24 Vdc48 Vdc55 Vdc
 Maximum Output Current20.83 A ± 5%10.41 A ± 5%5.20 A ± 5%4.54 A ± 5%
 Over Current Limit≦ 27 A≦ 14 A≦ 7 A≦ 6 A
 Minimum Output Current0.1 A0.1 A0.1 A0.1 A
 Ripple & Noise≦ 1 %
 Hold Up Time≧ 10 ms
Input Input Voltage90~264 Vac
 Input Frequency47~63 Hz
 No-load Power Consumption≦ 0.21 W
 Power Factor≧ 0.95
 Efficiency≧ 91.3 %≧ 94.2 %≧ 93.9 %≧ 93.9 %
 Inrush Current≦ 50 A @120Vac ; ≦ 100 A @240Vac, 25°C
EMC Surge2KV(L/N-G),4KV(L-N)1KV (L/N-G), 2KV (L-N)2KV(L/N-G),4KV(L-N)
 EMIEN55032, FCC Part 15
 ESDIEC61000-4-2
Environmental Operating Temperature-20~+70 °C
 Storage Temperature-40~+85 °C
 Operating Humidity20~90 %RH
 Storage Humidity5~95 %RH
 Operating Altitude5,000 m
Others Dimension (W x L x H)76.2 x 127 x 33.4 mm (3 x 5 x 1.3 inch) *The height excludes PCB thickness
 Mean Time Between Failures≧ 500,000 hours
 CertificationsCB, TÜV, UL/cUL

*Specifications are subject to change without notice

250W Open Frame Power Supply__Mechanical Specification

250W Open Frame Power Supply_Derating Curve

250W Open Frame Power Supply_Application

  • Networking
  • Telecom
  • POS
  • Printer
  • IPC
  • Industrial
  • Sewing machine
  • ATM
  • Bill counting machine
  • Currency detector
  • Gaming