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RK73-RT
resistors
flat chip resistors (anti-sulfuration) features * Excellent anti-sulfuration characteristic due to using high sulfuration-proof inner top electrode material * Excellent heat resistance and weather resistance are ensured by the use of metal glaze thick film * High stability and high reliability with the triple-layer structure of electrode * Suitable for both flow and reflow solderings * Marking: Black protective coat on RK73B, RK73Z1J, 2A, 2B, 2E, W2H, W3A Blue protective coat on RK73H Green protective coat on RK73Z1E * Products with lead-free terminations meet EU RoHS requirements. Pb located in glass material, electrode and resistor element is exempt per Annex 1, exemption 5 of EU directive 2005/95/EC
Type
Solder Plating t d Protective Coating Resistive Inner Film Electrode Ni Plating
EU
dimensions and construction
c L c
W
(Inch Size Code)
L .039 (1.0
+.004 -.002 +0.1 ) -0.05
Dimensions inches (mm) W c d .02.002 .008.004 (0.50.05) (0.20.1)
+.002 -.004 (0.25 +0.05) -0.1
t .014.002 (0.350.05)
1E (0402) 1J (0603) 2A (0805) 2B (1206) 2E (1210) W2H (2010)
.01
Ceramic Substrate
Derating Curve
100 80 % Rated Power 60 40 20 0 -60 -40 -55
.063.008 .031.004 .012.004 .012.004 .018.004 (0.30.1) (0.450.1) (0.30.1) (1.60.2) (0.80.1) .079.008 .049.004 .016.008 (2.00.2) (1.250.1) (0.40.2) .063.008 .126.008 (1.60.2) (3.20.2) .102.008 (2.60.2) .197.008 .098.008 (2.50.2) (5.00.2) .248.008 .122.008 (3.10.2) (6.30.2) .012 (0.3 .016 (0.4 .02.012 (0.50.3)
+.008 -.004 +0.2 ) -0.1 +.008 -.004 +0.2 ) -0.1
.02.004 (0.50.1)
.024.004 (0.60.1)
-20
0
80 70 Ambient Temperature (C)
20
40
60
100 120
140 155
W3A (2512)
.023.006 (0.650.15)
ordering information
New Part # RK73H Type RK73B RK73H 2A Power Rating 1E 1J 2A 2B 2E W2H W3A 2A Current Rating 1E, 1J: 1A 2A, 2B, 2E, W2H, W3A RT Termination Surface Material RT: Sn Anti-Sulfur TD Packaging
TPL: 0402 only: 2mm pitch punch paper TP: 0402, 0603, 0805: 7" 2mm pitch punch paper TD: 0603, 0805, 1206, 1210:7" 2mm pitch punched paper TDD: 0603, 0805, 1206, 1210: 10" paper tape TE: 0805, 1206, 1210, 2010 & 2512: 7" punched plastic TED: 0805, 1206, 1210, 2010 & 2512: 10" punched plastic For further information on packaging, please refer to Appendix A
1002 Nominal Resistance RK73B: 3 digits RK73H: 4 digits
F Resistance Tolerance D: 0.5% F: 1% G: 2% J: 5%
New Part #
RK73Z Type
RT Termination Surface Material RT: Sn Anti-Sulfur
TD Packaging
TPL: 0402 only: 2mm pitch punch paper TP: 0402, 0603, 0805: 7" 2mm pitch punch paper TD: 0603, 0805, 1206, 1210:7" 2mm pitch punched paper TDD: 0603, 0805, 1206, 1210: 10" paper tape TE: 0805, 1206, 1210, 2010 & 2512: 7" punched plastic TED: 0805, 1206, 1210, 2010 & 2512: 10" punched plastic For further information on packaging, please refer to Appendix A
10/30/08
Specifications given herein may be changed at any time without prior notice. Please confirm technical specifications before you order and/or use.
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KOA Speer Electronics, Inc. * 199 Bolivar Drive * Bradford, PA 16701 * USA * 814-362-5536 * Fax: 814-362-8883 * www.koaspeer.com
RK73-RT
flat chip resistors (anti-sulfuration) applications and ratings
Part Designation RK73B1E RK73H1E RK73B1J RK73H1J RK73B2A RK73H2A RK73B2B RK73H2B RK73B2E RK73H2E RK73BW2H RK73HW2H RK73BW3A RK73HW3A Power T.C.R. Rating (ppm/C) Max. @ 70C 0.063W 0.1W 0.125W 0.25W 0.5W 0.33W 0.5W 0.33W 0.75W 1W 200 100 200 100 200 100 200 100 200 100 200 100 200 100 Resistance Range RK73H RK73B E24, E96 E24, E96 E24 E24 (D0.5%) (F1%) (G2%) (J5%) -- 1.02M - 10M 10 - 10M 1 - 10M -- -- 100 - 1M 10 - 1M -- 1.02M - 10M 10 - 10M 1 - 10M 100 - 1M 10 - 1M -- -- 1.02M - 10M 10 - 10M 1 - 10M -- 100 - 1M 10 - 1M -- -- -- 1.02M - 10M 10 - 10M 1 - 10M 100 - 1M 10 - 1M -- -- 10 - 1k 1 - 1k -- -- 1.1k - 1M 1.1k - 1M 100 - 1k 10 - 1k -- -- 1.02k - 1M 1.02k - 1M 1.02M - 10M 10 - 10M 1 - 10M -- 10 - 1M 10 - 1M -- -- -- 1.02M - 10M 10 - 10M 1 - 10M 10 - 1M 10 - 1M -- -- Maximum Surge Current 2A 5A 50m max. 2A 10A +70C -55C to +155C Maximum Working Voltage Maximum Overload Voltage Rated Ambient Temp. Operating Temp. Range
resistors
50V
100V
150V
200V -55C to +155C
+70C
200V
400V
Part Designation* RK73Z1E RK73Z1J RK73Z2A RK73Z2B RK73Z2E RK73ZW2H RK73ZW3A
Resistance
Current Rating 1A
Rated Ambient Temperature
Operating Temperature Range
environmental applications Performance Characteristics
Parameter Resistance T.C.R. Overload (Short time) RK73H, RK73B Requirement R Limit Typical Within specified -- tolerance Within specified -- T.C.R. 2% 0.8% RK73Z Requirement R Limit Typical R50m N/A R50m R40m N/A R40m 25C +25C/-55C and +25C/+125C RK73B, RK73H Rated Voltage x 2.5 for 5 seconds (2B: Rated Voltage x 2 for 5 seconds) RK73Z: Max. surge current for 5 seconds 260C 5C, 10 seconds 1 second -55C (30 minutes), +125C (30 minutes), 100 cycles 40C 2C, 90%-95% RH, 1000 hours, 1.5 hr ON, 0.5 hr OFF cycle 70C 2C, 1000 hours, 1.5 hr ON, 0.5 hr OFF cycle +155C, 1000 hours H2S 1000 ppm, 25C, 90%Rh, 720 hours Test Method
Resistance to Solder Heat Rapid Change of Temperature Moisture Resistance Endurance at 70C High Temperature Exposure Sulfuration Test
1%, 3%* 0.5% 2%: 1J, 2A, 2B 3%: Another 2%: 1J, 2A, 2B 3%: Another 1% --
1%, 0.5%** 0.3% 0.75%: 1J, 2A, 2B; 1%: Another 0.75%: 1J, 2A, 2B; 1%: Another 0.5% 0.5%
R50m R50m R100m R100m R50m --
R40m R40m R50m R50m R40m R40m
* 1%: 10R1M; 3%: R<10, R>1M
** 1%: R<10, R>1M; 0.5%: Another
10/30/08
Specifications given herein may be changed at any time without prior notice. Please confirm technical specifications before you order and/or use.
KOA Speer Electronics, Inc. * 199 Bolivar Drive * Bradford, PA 16701 * USA * 814-362-5536 * Fax: 814-362-8883 * www.koaspeer.com
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