Delta Electronics Series H48SV manual Thermal Curves No Heatsink, velocity V in=75V

THERMAL CURVES: NO HEATSINK

	H48SV05020(Standard) Output Current vs. Ambient Temperature and Air Velocity
Output Current(A)			@ Vin < 60V (Either Orientation, no Heat sink)
21
							600LFM
18
							500LFM
15
	Natural
	Convection						400LFM
12
		100LFM
9
6			200LFM
3				300LFM
0
25	35	45	55	65	75	85	95	105
							Ambient Temperature (℃)

Figure 16: Case temperature measurement location. Pin locations are for reference only.

Figure 17: Output current vs. ambient temperature and air velocity (Vin<60V)

	H48SV05020(Standard) Output Current vs. Ambient Temperature and Air Velocity
Output Current(A)			@ Vin = 75V (Either Orientation, no Heat sink)
21
								600LFM
18
								500LFM
15
	Natural							400LFM
12	Convection
9		100LFM
6			200LFM
3				300LFM
0
15	25	35	45	55	65	75	85	95	105
								Ambient Temperature (℃)

	H48SV05020(Standard) Power Dissipation vs. Ambient Temperature and Air Velocity
Power Dissipation (Watts)				(Either Orientation, no Heat sink)
16
								600LFM
14
12								500LFM
10								400LFM
	Natural
8	Convection
6			100LFM
4				200LFM
2					300LFM
0
15	25	35	45	55	65	75	85	95	105
								Ambient Temperature (℃)

Figure 18: Output current vs. ambient temperature and air	Figure 19: Power dissipation vs. ambient temperature and air
velocity (Vin=75V)	velocity

8