renco electronics, inc. 595 international place, rockledge, fl 32955-4200 usa (321) 637-1000 ?toll free engineering hot line 800-645-5828 since 1955 fax: (321) 637-1600 web site:www.rencousa.com e-mail:sales@rencousa.com 207 rl-3745 rl-3750 toroidal low power inductor horizontal and vertical mount these compact low power inductors are designed for switch mode power supplies, filters or general purpose use. they are used where high inductor stability is required when rapid load current changes occur. this series offers flexible packaging design since identical inductor values are offered for either vertical mounting having a small pc board footprint or in a low profile form for minimum height. vertical rl-3750 typical dimensions in inches .780 board layout .400 ( .005) .510 .600 ( .005) .710 .20 renco part number horizontal rl-3745 typical dimensions in inches .480 .05 pins .026 sq. .600 ( .005) .400 ( .005) board layout .20 renco part number marked on top .670 .690
renco electronics, inc. 595 international place, rockledge, fl 32955-4200 usa (321) 637-1000 ?toll free engineering hot line 800-645-5828 since 1955 fax: (321) 637-1600 web site:www.rencousa.com e-mail:sales@rencousa.com 208 typical inductance characteristics 1 2 inductance variance vs. load current (v sec.) electrical characteristics at 25 * tested @ 10 khz 0.1 vac 1. rated for 40 c rise. 2. rated at continuous operation to 20% of full current. reference operating values horizontal mount vertical mount rl-3745-150 rl-3745-220 rl-3745-330 RL-3745-470 rl-3745-680 rl-3745-820 rl-3745-1000 150 220 330 470 680 820 1000 inductance typical ( h) * 1.7 1.5 1.0 .90 .85 .75 .50 i dc (amps) (1) rl-3750-150 rl-3750-220 rl-3750-330 rl-3750-470 rl-3750-680 rl-3750-820 rl-3750-1000 80 90 100 120 175 175 175 max. et op (v sec) (2) 175 255 380 540 790 950 1150 inductance no d.c. ( h) max. .050 .070 .080 .100 .120 .130 .140 1000 hz test volts no d.c. .36 .38 .74 1.10 1.25 2.30 2.40 rdc max. (ohms) 215 240 165 190 245 230 125 min. energy storage ( j) (1) design control values 20 (% ? l) 10 0 -10 0 250 500 (l) 120 110 100 90 80 0 25 50 75 100 125 inductance variance vs. e.t. (v sec.)
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