Released 2013

Features of BRFS50L

• Small size and high efficiency non-isolated DC-DC converter.
• Wide input voltage 4.5V to 14.0V.
• Fast transient respoce by Robust control.
• Built-in remote ON/OFF, Power good, Start-up sequence.
• Built-in overcurrent and thermal protection (auto recovery type) functions.

Ordering Information and Options

BRF(1)  S(2)  50(3)  L(4)  -  (5)

(1) Series name
(2) Single output
(3) Output current
   30: 30A
   40: 40A
   50: 50A
   60: 60A
  100: 100A
  120: 120A
(4) Type
   Blank: Standard type
   L: Low profile type (only 50A)
   S: Small type (only 60A)
(5) Optional
   R: Positive logic remote on/off
   I: POWERGOOD (only BRFS30/40/60S)
     *Other models has POWERGOOD function normally.
   P: Parallel operation (only BRFS40/60S)
   Y1: Fast transient response (only BRFS100)
   D : With switching frequency synchronization function (BRFS120)
   L : High thermal dissipation (BRFS120)


Contents Specifications
Input Voltage DC4.5 - 14.0V
Output Voltage/Current 1.2V 50.0A
Adjustable  Voltage Range Adjustable by external resistor
0.7 - 2.0V
Protection Circuit And Others Overcurrent Protection Works over 105% of rating (auto recovery type)
Overvoltage Protection -
Remote ON/OFF Available Negative logic L: ON, H: OFF
Remote Sensing Available
Others -
Operating Temperature/Humidity -40 to +85℃, 20 - 95%RH (Non condensing) *
Safety And Noise Regulations Agency Approvals (At only AC input) UL60950-1, C-UL (CSA60950-1) , EN60950
Conducted Noise -
High Attenuation -
Others Dimensions (WxHxD) 33.0x7.0x22.9mm [1.3x0.28x0.9 incges]
Weight 12g max
Cooling Method Convection/Forced air
Warranty Period 5-year
  • * For further information and how to use, please see in Cosel product catalog.

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Technical Data
  • * For another documents aren't listed, please feel free to contact to a Cosel representative.