CQB50W8 SERIES
50 WATT 8:1 INPUT
ISOLATED DC-DC CONVERTER
Features
⚫ Efficiency Up to 91%
⚫ Fixed Switching Frequency
⚫ Regulated Outputs
⚫ Remote On/Off
⚫ Low No Load Power Consumption
⚫ Fully protected (OTP/OCP/OVP/UVLO)
⚫ 3000Vac I/O Isolation
℃
⚫ Operating Case Temperature -40 to +105
⚫ Quarter Brick Size Meet Industrial Standard
2.28”x1.45”x0.5”
⚫ CB Test Certificate IEC62368-1
⚫ UL62368-1 2nd (Reinforce Insulation) Approval
⚫ EN50155 Compliant with External Circuits
⚫ Shock & Vibration EN50155 (EN61373) Compliant
⚫ Fire & Smoke EN45545-2 Compliant
⚫ 5000m Operating Altitude
OUTPUT CURRENT
INPUT CURRENT
% EFF.
MODEL
INPUT
OUTPUT
CAPACITOR
LOAD MAX.
NUMBER
VOLTAGE
VOLTAGE
MIN.
MAX.
NO LOAD FULL LOAD (1) (2)
CQB50W8-36S12 9-75 VDC
CQB50W8-36S15 9-75 VDC
CQB50W8-36S24 9-75 VDC
CQB50W8-36S28 9-75 VDC
CQB50W8-36S48 9-75 VDC
12 VDC
15 VDC
24 VDC
28 VDC
48 VDC
0 mA
0 mA
0 mA
0 mA
0 mA
4.17 A
3.33 A
2.08 A
1.79 A
1.05 A
8 mA
8 mA
1544 mA
1542 mA
1541 mA
1547 mA
1556 mA
91 90
90 90
90 90
90 90
91 90
8000uF
6800uF
2350μF
2350μF
700μF
10 mA
10 mA
10 mA
NOTE:
1. Nominal Input Voltage 36 VDC
2. Measured at 48Vin
3. An External Input Capacitor 220uF for All Models are Recommended to Reduce Input Ripple Voltage
PART NUMBER
Nominal Input
Number of
Outputs
O
Nominal Output
Voltage
Remote On/Off
Series
Mounting Inserts
Voltage
Logic
L
CQB50W8-
II
XX
-Y (Option)
12: 12VDC
15: 15VDC
24: 24VDC
28: 28VDC
48: 48VDC
M3x0.5 Mounting
None: Inserts
None: Positive
N: Negative
CQB50W8
36: 36 VDC
S: Single
-C: Clear Mounting
Insert (3.2mm
DIA.)
Part Number Example:
CQB50W8-36S12N-C: Quarter Brick, 50W, 8:1 9-75Vdc Input, Single 12Vdc Output, Negative Logic, Clear Mounting Insert
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1
REVISION: V10