cme3.3v18a 3.3 output voltage ( v ) - 48 input voltage ( v ) - 36 ~ - 60 input voltage range ( v ) - 53 conduction noise (dbm) + 5%, - 3.5% output voltage range 18 output current ( a ) 0 ~ 18 output current range ( a ) 27 over current protection ( a ) 4.2 over voltage protection ( v ) 100 output ripple noise ( mvp-p ) 87.0 % efficiency ta = 0 ~70 c operating temparature 70.0 80.0 8.5 mechanical dimension ( mm ) ac 500, dc 707 (applied for 1minute) isolated voltage ( v ) parallel operation forced air cooling (1.5m /sec) cooling method 2.5 low voltage protection ( v )
cme3.3v18a function symbol pin no. local off control signal pin lo 1 remote off control signal pin ro 2 reset pin r 3 led alarm pin led 4 alarm pin p 5 sabg pin q 6 input voltage pin -in 7 input ground pin +in 8 live line insertion and removal control signal pin ctl 9 output ground pin - 3.3 v 10 11 12 13 14 output voltage pin + 15 16 17 18 19 not connected* t t 20 *nc may be used for testing by the manufacturer and shall not be connected by the customer. outline diagram pin arrangement 5.08 10 = 50.8 20 10 2.5min 8.5max 73.66 0.5 69.5 0.5 79.5 0.5 5 5.08=25.4 3 5.08=15.24 1.0 enlargement picture of a (1 0.8 0.2 * dimentions are in millimeters. a
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