e s eries 20 w atts 98 s pecifications :e s eries all specifications apply @ +25 c ambient unless otherwise noted. i nput s pecifications input voltage range....105-125vac(see options for alternates) input frequency ..........................................................50-440hz remote on/off control ........................................................n/a o utput s pecifications output current ..............................................................see table output voltage tolerance........................................1% (fixed) output trim (external) ........................................................n/a line regulation (ll-hl) ................................................0.15% load regulation (10-100% load)....................................0.15% short circuit protection ....................................power foldback over voltage protection ........................................................n/a ripple/noise (20mhz bw) ......................................<7mv rms transient response ..............................................................n/a g eneral s pecifications efficiency ..............................................................70% (typical) isolation voltage (input to output)..........................1500v rms isolation resistance (input to output) ..........................100mw remote sense ......................................................................n/a switching frequency ........................................40khz (variable) e nvironmental s pecifications operating temperature ..............................-25 to +85c (case) storage temperature ............................................-55 to +100c humidity (non-condensing)............................20% to 95% r.h. p hysical s pecifications dimensions: case a............................................1.25 x 2.5 x 3.5 case b ................................................1.55 x 2.5 x 3.5 case c ................................................2.00 x 2.5 x 3.5 case material ..........................................................non-metallic due to advances in technology, specifications subject to change without notice. to 20 w atts - e s eries switching buck regulator f eatures ? single output ? high efficiency ? encapsulated supply ? various mounting options ? 1500v rms isolation ? power foldback short circuit protection ? output current limiting ? ten year warranty t he e s eries from w all i ndustries the e series high efficiency ac/dc power supply offers the designer a low cost solution to problems normally associated with series-pass regulated supplies. by employing state-of-the- art switching techniques, this series achieves efficiencies up to 75%. 603-778-2300 www.wallindustries.com
t o 20 w atts e s eries wall industries, inc. 603-778-2300 99 input output output case model voltage voltage current height number (vac) (vdc) (amps) (inches) *90 5 1.0 1.25 e5s1000 to 1.5 1.55 e5s1500 130 2.0 1.55 e5s2000 3.0 2.0 e5s3000 4.0 2.0 e5s4000 15 0.65 1.55 e15s650 1.0 2.0 e15s1000 1.5 2.0 e15s1500 24 0.4 1.55 e24s400 12 0.8 1.55 e12s800 1.2 2.0 e12s1200 1.5 2.0 e12s1500 19 1.0 2.0 e19s1000 notes: 1. all case and pin to case dimensions reference only unless otherwise noted. 2. two threaded inserts for mounting, 4-40 x 0.10 deep min. 3. on single output units, do not connect common. 4. five pins, 0.04 diameter x 0.20 long (min.). * options: see options selection guide for additional power sup- ply options and proper pin connections. add option letter(s) to end of part number when specifying. ac input options : k option allows operation with 200-252vac in. k2 option accepts 105-125 and 200-252vac (jumper selectable) n option accepts 90-105vac uk option accepts 216-265vac m option specifies 2.2 pin spacing between vin pins. screw terminals available for chassis mounting on all models. pin c onnections single 1 ac in 2 ac in 3 return 4 n/c 5 +vout
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