Q48SK12033NRFH Delta Electronics, Q48SK12033NRFH Datasheet - Page 10

• Manufacturer Part Number: Q48SK12033NRFH
• Description: CONV DC/DC 33A 48V/IN 12V/O NEG
• Manufacturer: Delta Electronics
• Series: DELPHIr
• Type: Isolated with Remote On/Off and UVLOr

Specifications of Q48SK12033NRFH

• Output: 12V
• Number Of Outputs: 1
• Power (watts): 400W
• Mounting Type: Through Hole
• Voltage - Input: 48V
• Package / Case: 6-DIP Module, 1/4 Brick
• 1st Output: 12 VDC @ 33A
• Size / Dimension: 2.28" L x 1.45" W x 0.50" H (57.9mm x 36.8mm x 12.7mm)
• Power (watts) - Rated: 396W
• Operating Temperature: -40°C ~ 108°C
• Efficiency: 95.5%
• Approvals: cUL, UL
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• 3rd Output: -
• 2nd Output: -
• 4th Output: -
• Other names: 941-1013

DS_Q48SK12033_07012010
THERMAL CURVES
(WITHOUT HEAT SPREADER)
* The allowed maximum hot spot temperature is defined at 117
Figure 19: Output current vs. ambient temperature and air
velocity @Vin=48V(Transverse Orientation, without heat
spreader)
33
30
27
24
21
18
15
12
Figure 18: Temperature measurement location
9
6
3
0
25
Output Current(A)
Convection
Natural
30
100LFM
35
200LFM
Q48SK12033(Standard) Output Current vs. Ambient Temperature and Air Velocity
40
300LFM
400LFM
45
@Vin = 48V (Transverse Orientation)
50
55
60
65
70
600LFM
75
Ambient Temperature (℃)
500LFM
80
℃
85
THERMAL CURVES
(WITH HEAT SPREADER)
* The allowed maximum hot spot temperature is defined at 108
Figure 21: Output current vs. ambient temperature and air velocity
@Vin=48V(Transverse Orientation, with heat spreader)
Figure 20: Temperature measurement location
33
30
27
24
21
18
15
12
9
6
3
0
25
Output Current(A)
Convection
Natural
30
100LFM
35
200LFM
Q48SK12033(Standard) Output Current vs. Ambient Temperature and Air Velocity
40
300LFM
@Vin = 48V (Transverse Orientation, With Heatspreader)
45
400LFM
50
500LFM
55
60
65
70
75
Ambient Temperature (℃)
600LFM
80
℃
85
10