Spire JEWEL SFX 300W / SP-SFX-300W-PFC - Manual (Page 5)

Version:A/0 Page 5 of 17
Spire Corp.
Http://www.spirepower.com & Http://www.spirecoolers.com
Http://www.spire-corp.com
1 Introduction
1.1 Scope
This specification defines the performance and characteristic for the model of
SP-SFX-300W-PFC power supply.
1.2 General Description
SP-SFX-300W-PFC is a switching power supply, 300W self-contained, AC to DC
power source supply suitable for mounting in PC.
1) SPCC 0.6MM ENCLOSURE.
2) ONE 8CM FAN .
3) Metal Case.
2 Electrical
2.1 AC Input
Table 1 list AC input voltage and frequency requirements for continuous operation.
Power Factor Correction (PFC)
SP-SFX-300W-PFC(Passive PFC) is facilitated with the universal input 200~240VAC
Passive PFC with the PF value 0.65
≧ ≦ 0.8
2.1.1 Input Over Current Protection
The power supply is equipped with a non-reset-able fuse on the AC
input to limit power consumption on a failure within the power supply
module.
Input Fuse Rating:
Voltage 250 V
Current 6 A
De-activation time 200 ms
Table 1. AC Input Line Requirements
Parameter Min. Nom. (1) Max. Unit
Vin Voltage 200 220 240
VACrms
Vin Frequency 50 --- 60 Hzrms
(1) Nominal voltages for test purposes are considered to be within ±1.0 V of nominal.