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1. GENERAL DESCRIPTION AND SCOPE
SPECIFICATION
SFX Form Factor
SST-SX300-B
SST-SX450-B
300W 450W Switching Power Supply
With Active PFC
80 Plus Bronze
2. INPUT ELECTRICAL SPECIFICATIONS2. INPUT ELECTRICAL SPECIFICATIONS
2.1. AC INPUT
This is the specification of Model SX300-B, SX450-B AC-line powered switching power supply with active PFC
(Power Factor Correction) circuit, meet EN61000-3-2 features.
The specication below is intended to describe as detailed as possible the functions and performance of the subject
power supply. Any comment or additional requirements to this specification from our customers will be highly
appreciated and treated as a new target for us to approach.
Parameter Min. Nom. Max. Unit
Vin (115Vac) 90 115 135 VAC rms
Vin (230Vac) 180 230 265 VAC rms
Vin Frequency 47 -- 63 HZ
*Nominal voltages for test purposes are considered to be within ± 1.0V of nominal.
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