Document
www.DataSheet4U.com
resistors
SR73
lo-ohm 0.5%, 1%, 2%, 5% tolerance thick film current sense resistor features • • • • RuO2 thick film resistor element Anti-leaching nickel barrier terminations Meets or exceeds EIA 575, EIA PDP-100, MIL-R-55342F Marking: Three or four digits on indigo protective coat, 1E size: no marking
dimensions and construction
c L c Type
(Inch Size Code)
L .039 (1.0
+.004 -.002 +0.1 ) -0.05
Dimensions inches (mm) W c d .02 (0.5
+.004 -.002 +0.1 ) -0.05 +.006 -.004 +0.15 ) -0.1
t
W Solder Plating t d Protective Coating Resistive Inner Film Electrode Ni Plating
1E (0402) 1J (0603) 2A (0805) 2B (1206) 2E (1210) 2H (2010) 3A (2512)
.01±.004 (0.25±0.1)
.01±.004 .014±.002 (0.25±0.1) (0.35±0.05)
.063±.008 (1.6±0.2)
.031 (0.8
.014±.004 .014±.004 .018±.004 (0.35±0.1) (0.35±0.1) (0.45±0.1) .012 (0.3 .016 (0.4 .02±.012 (0.5±0.3)
+.008 -.004 +0.2 ) -0.1 +.008 -.004 +0.2 ) -0.1
.079±.008 .049±.004 .016±.008 (2.0±0.2) (1.25±0.1) (0.4±0.2) .063±.008 .126±.008 (1.6±0.2) (3.2±0.2) .102±.008 (2.6±0.2) .197±.008 .098±.008 (2.5±0.2) (5.0±0.2) .248±.008 .122±.008 (3.1±0.2) (6.3±0.2)
.02±.004 (0.5±0.1)
Ceramic Substrate
.024±.004 (0.6±0.1)
.025±.005 (0.65±0.15)
ordering information
New Part # SR73 Type 2B Size 1E 1J 2A 2B 2E 2H 3A * Available only in 2A chip size T Termination Material T: Sn L: SnPb G: Au* TD Packaging TP: 2mm pitch punched paper (0402 & 0603) TD: 7" paper tape (0603, 0805, 1206 &1210) TDD: 10" paper tape (0603, 0805, 1206 &1210) TE: 7" punched plastic (0805, 1206, 1210, 2010 & 2512) TED: 10" punched plastic (0805, 1206, 1210, 2010 & 2512) 1R00 Nominal Resistance ±2%, ±5%: 2 significant figures + 1 multiplier “R” indicates decimal on value <10Ω ±1%: 3 significant figures + 1 multiplier “R” indicates decimal on value <100Ω All values less than 0.1Ω (100mΩ) are expressed in mΩ with “L” as decimal Example: 20mΩ = 20L0 F Tolerance D: ±0.5% F: ±1% G: ±2% J: ±5%
For further information on packaging, please refer to Appendix A.
Specifications given herein may be changed at any time without prior notice. Please confirm technical specifications before you order and/or use. 11/11/04
26
KOA Speer Electronics, Inc. • Bolivar Drive • P .O. Box 547 • Bradford, PA 16701 • USA • 814-362-5536 • Fax: 814-362-8883 • www.koaspeer.com
www.DataSheet4U.com
SR73
lo-ohm 0.5%, 1%, 2%, 5% tolerance thick film current sense resistor
resistors
applications and ratings
Part Designation* SR731E (0402) SR731J (0603) SR732A (0805) SR732B (1206) SR732E (1210) SR732H (2010) SR733A (2512) Power Rating @ 70°C 1/16W (.063W)1 1/10W (.2W) 1/10W (.1W)
2
T.C.R. (ppm/°C) Max.
±200 ±300 ±500 ±200 ±100 ±200 ±500 ±800 ±100 ±200 ±500 ±800 ±100 ±200 ±500 ±1000 ±100 ±200 ±500 ±800 ±100 ±200 ±500 ±800
Resistance Range** E-24, E-96 E-24, E-96 (D±0.5%) (F±1%)
— — — — 0.15Ω - 10Ω — — — 0.15Ω - 10Ω — — — — — — — — — — — — — — — 0.51Ω - 10Ω*** 0.2Ω - 0.47Ω*** 0.1Ω - 0.18Ω*** 0.1Ω - 10Ω 0.1Ω - 10Ω — — — 0.1Ω - 10Ω — — — 0.1Ω - 10Ω — — — 0.1Ω - 10Ω — — — 0.1Ω.