Low resistance chip resistors (long-side terminal) PRL / RL series Features Innovative structure that takes consideration of heat dissipation suppresses the surface temperature enabling the small sizes, reduction of the influence on surrounding components, excellent temperature cycle resistance, low ESL and low noise. Applications PC power sources, inverters, automotive electronics, adopters, industrial machines Part numbering system PRL 1220 - R010 - D - T5 Packaging quantity: T5(5,000pcs) RL 3720W T - R10 - F Resistance tolerance Current sensing surface mount resistors PRL / RL series Nominal resistance value Nominal resistance value Series code Resistance tolerance Temperature coefficient of resistance Series code Size: PRL0816, PRL1220, PRL1632, PRL3264 Size: RL3720W, RL7520W Electrical Specification Type Power ratings Temperature coefficient of resistance Resistance range() Resistance tolerance (ppm/C) 0.5% (D) PRL0816 1/3W PRL1220 2/3W PRL1632 1W PRL3264 2W 100 0 +200 0 +350 50 100 0 +200 0 +350 50 100 0 +200 0 +350 50 RL3720W 1W 100 0 +200 0 +350 50(Q) 100(R) 0 +200(S) 0 +350(T) 50(Q) 2W E-24 E-24 1m step (7m 10m) E-24 1m step (5m 10m) (PR) 3mR4m E-24 1m step (3m 10m) T5 -55 125 E-24 1m step (1m 10m) 1mR4m 4,000pcs 100mR470m 10mR91m 100mR470m 10mR91m Packaging quantity 5% (J) 5mR91m 0 +200(S) 0 +350(T) 0 +420(T) 0 +800(T) Dimensions 2% (G) 100mR1 100(R) RL7520W 1% (F) 75mR100m 43mR68m 33mR39m 18mR27m 10mR15m 56mR100m 47mR51m 20mR43m 10mR18m 7mR9m 56mR100m 20mR51m 10mR18m 5mR9m 56mR100m 47mR51m 20mR43m 10mR18m 5mR9m 50 Maximum Resistance Operating voltage value series temperature E-24 1m step (1m 10m) 5mR9m 1mR4m L Type W a t b Size (inch) L W a b t PRL0816 0603 0.800.20 1.600.20 0.200.10 0.400.10 PRL1220 0805 1.250.20 2.000.20 0.350.15 0.500.10 PRL1632 1206 1.600.20 3.200.20 0.450.15 0.500.10 PRL3264 2512 3.200.20 6.400.20 0.900.15 0.500.10 RL3720W 1508 2.000.20 3.750.30 0.400.20 0.400.20 0.500.20 RL7520W 3008 2.000.20 7.500.30 0.400.20 0.400.20 0.500.20 unitmm 59 ESL (Equivalent series inductance) 6 group1Distance group2Distance group3Distance group4Distance ESL(nH) 5 between between between between the the the the two two two two electrodes6.4 RL-3264 electrodes3.2 RL1632 electrodes1.6 2.0 RL3720W electrodes1.25 KRL2012 4 Short side terminal type 3 2 Long side terminal type 1 0 0.1 1 Frequency/MHz 10 100 Surface temperature data RL3720W Power rating 1 180 160 Chip resistors 120 Land pattern 80 L (27mm) 0.75W applied 60 40 0.5W applied 20 0 W 1W applied 100 5 10 15 W mm 20 W 0.5W applied 200 Chip resistors 150 L Land pattern 0.25W applied 50 0 120 10 L mm 20 30 (27mm) 100 80 1W applied 60 40 0.5W applied 20 0 5 10 15 20 25 W 7.9mm 1W applied 200 150 W mm RL7520W Power rating 1 250 Chip resistors 0.75W applied Land pattern 0.5W applied L 100 50 0 0 L Land pattern 2W applied PRL / RL series 100 W Chip resistors 160 300 4.15mm 250 Land area S 180 0 25 RL3720W Power rating 0.5 300 200 Current sensing surface mount resistors 0 RL7520WPower rating 2 220 Land area S 200 Increase of the surface temperatureT Increase of the surface temperatureT 220 Increase of the surface temperatureT These high-power low resistance chip resistors are designed to dissipate heat efficiently through the land patterns on circuit boards. The actual temperature of the surface of the resistor is dependent upon the dimensions and the shape of the land patterns. The high power type land pattern and surface temperature Increase of the surface temperatureT 0.25W applied 0 10 L mm 20 30 Ratio to rated power () Ratio to rated power () Derating Curve 100 50 0 -55 0 70 Pulse duration (seconds) 100 50 0 -55 125 0 30 Pulse duration (seconds) RL3720W 125 150 RL7520W Maximum pulse power limitW Resistance to power pulse 200 RL7520W-R10 100 Test procedure RL7520-R10 150 Voltage pulse is applied to the test samples mounted RL3264-R050 on the test board. RL1632-R050 After each pulse, resistance drift is measured. Pulse vol tage is increased until the drift exceeds +/-0.5%. 50 The power at that voltage is defined as the maximum RL1220-R10 0 0.001 0.01 0.1 1 10 pulse power. Pulse duration seconds 60