components electronic meggitt meggitt cgs low ohmic resistor smd specification for current sense - thick film rl73_2a rl73_2b rl73_2e rl73_2h rl73_3a 0.125w 0.25w 0.5w 0.75w 1.0w 1.11v 1.58v 2.23v 2.73v 3.16v rated ambienttemperature +70c how to order type please request full data sheet f0744 electrical up to 1 watt at 70c ? values down to r10 ? supplied on tape ? ideal for current sensing ? value marked ? packaged on 7" reels ? custom designs available ? attractive pricing ? key features type rl73 series the rl73 series has a special metal glaze resistive element and a barrier layer beneath the solder to extend terminal life. this product satisfies the demand for a low ohmic shunt resistor to act as a current sensor. we can offer sizes and tighter tolerances as "specials" where demand justifies. a 1% is offered between the resistance values 200 milli ohms and 10 ohms. r20 ~ 10r --- r20 ~ 10r --- r20 ~ 10r --- r20 ~ 10r --- r20 ~ 10r --- f ( 1%) e-96, e-24 g ( 2%)j( 5%) e-24 operating temperature range resistance range ( ohms ) power rating maximum working voltage -55c to +125c --- r10 ~ 10r --- r10 ~ 10r --- r10 ~ 10r --- r10 ~ 10r --- r10 ~ 10r smd resistors type rl73 2a rl73 2b rl73 2e rl73 2h rl73 3a dimensions (mm) l 0.2 2.0 3.2 3.2 5.0 6.3 w 0.2 1.25 1.6 2.6 2.5 3.1 c 0.3 0.4 0.5 0.5 0.5 0.5 d 0.1 0.5 0.6 0.6 0.6 0.6 w l c d temperature coeffificent of resistance resistors with 1% tolerance will have a tcr of 100ppm/c resistors with 2% or 5% tolerance will have a tcr of 200ppm/c recommended circuit board design if this device is anticipated to run at full continuous power then action to improve the cooling should be taken. this can be a metal substrate, copper pad left under the chip or an opening in the pcb. dimensions packaging: 4000 pieces (7" reel) 5000 pieces (7" reel) 10000 pieces (13" reel) resistance value 0.1 ohm (100 milli ohms) r10 1.0 ohm (1000 milli ohms) 1r0 10 ohm (10 ohms) 10r chip size 2a - 08:05 2b - 12:06 2e - 12:10 2h - 20:10 3a - 25:12 2a common part rl73 rl73 1r0 tolerance f - 1% g - 2% j - 5% g pack style td tg - cut tape lengths te - 4000 reel td - 5000 reel tp - 10000 reel t.c.r. h - 100ppm ( 1% tol) k - 200ppm ( 2%/5% tol) k d d +0.2 0.3 0.4 0.4 0.4 0.4 - 0.1
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