KOA SPEER ELECTRONICS, INC. SS-239 R9 AHA 2/23/16 CERTIFIED Low Resistance Flat Chip Resistors Type SR73 CERTIFIED 1. Scope This specification applies to chip resistors (SR73) produced by KOA Corporation. 2. Type Designation The type designation shall be in the following form: SR73 2B T TD 1R00 F Size Size Termination Packaging Nominal Tolerance Material Resistance 1H T: Sn TC: 0201 only: 7" 2mm pitch pressed paper ±2%, ±5%: 2 significant figures D: ±0.5% 1E L: SnPb (1E, 1J, 2A, (TC: 10,000 pcs/reel, TCM: 15,000 pcs/reel) + 1 multiplier “R” indicates F: ±1% 1J 2B, 2E, 2H, 3A) TPL:0402 only: 2mm pitch punch paper decimal on value <10Ω 2A G: Au (1J, 2A, 2B: TP: 0402, 0603, 0805: 7" 2mm pitch punch paper ±1%: 3 significant figures + 1 G: ±2% 2B 0.1Ω-10Ω- TD: 0603, 0805, 1206, 1210: 7" 4mm multiplier “R” indicates decimal J: ±5% 2E contact factory) pitch punched paper on value <100Ω TDD: 0603, 0805, 1206, 1210: 10" paper tape All values less than 0.1Ω W2H TE: 0805, 1206, 1210, 2010 & 2512: (100mΩ) are expressed in mΩ W3A 7" embossed plastic with “L” as decimal Example: 2H TED: 0805, 1206, 1210, 2010 & 2512: 20mΩ = 20L (3-digit) 3A 10" embossed plastic inches (mm) 3. Dimensions and Structure Type Dimensions (Inch Size Code) L W c d t .024±.001 .012±.001 .004±.002 .006±.002 .009±.001 1H (0.6±0.03) (0.3±0.03) (0.1±0.05) (0.15±0.05) (0.23±0.03) L (0201) c c .039 +-..000024 .02 +-..000024 .01±.004 .01±.004 .014±.002 1E (1.0 +0.1 ) (0.5 +0.1 ) (0.25±0.1) (0.25±0.1) (0.35±0.05) (0402) -0.05 -0.05 W .063±.008 .031 +-..000046 .014±.004 .014±.004 .018±.004 Solder 1J (1.6±0.2) (0.8 +0.15) (0.35±0.1) (0.35±0.1) (0.45±0.1) Platin (0603) -0.1 Ni .079±.008 .049±.004 .016±.008 .012 +-..000048 .02±.004 t Platin 2A (2.0±0.2) (1.25±0.1) (0.4±0.2) (0.3 +0.2) (0.5±0.1) (0805) -0.1 d Protective ResistivIenner .063±.008 Coating Film Electrode 2B .126±.008 (1.6±0.2) Ceramic (1206) (3.2±0.2) .102±.008 .016 +-..000048 Substrate 2E (2.6±0.2) (0.4 +0.2) (1210) -0.1 2H .197±.008 .098±.008 (2010) (5.0±0.2) (2.5±0.2) .02±.012 .026±.006 .024±.004 W2H (0.5±0.3) (0.65±0.15) (0.6±0.1) (2010) .016 +.008 -.004 3A .248±.008 .122±.008 (0.4 +0.2) (2512) -0.1 (6.3±0.2) (3.1±0.2) .026±.006 W3A (0.65±0.15) (2512) PAGE 1 OF 6 Bolivar Drive (cid:1) P.O. Box 547 (cid:1) Bradford, PA 16701 (cid:1) USA (cid:1) 814-362-5536 (cid:1) Fax 814-362-8883 (cid:1) www.koaspeer.com 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. SS-239 R9 4. Standard Applications Absolute Maximum Power Rated Rated T.C.R. Resistance Range Part Maximum Overload Rating Ambient Terminal (ppm/°C) Designation* E-24, E-96 E-24, E-96 E-24 E-24 Working Voltage @ 70°C Temp. Part Temp. Max. (D±0.5%) (F±1%) (G±2%) (J±5%) Voltage (5 Secs. Max.) SR731H 0.1W 70°C — 0 - ±400 — 1Ω - 10Ω** — 0.27Ω - 10Ω 1.0V 2.5V (0201) 0 - ±500 — 0.18Ω - 0.24Ω SR731E ±200 — 0.51Ω - 10Ω** 0.51Ω - 10Ω 0.51Ω - 10Ω (0402) 1/6W (.166W) 70°C 125°C ±300 — 0.2Ω - 0.47Ω** 0.2Ω - 0.47Ω 0.2Ω - 0.47Ω 1.11V 2.79V ±500 — 0.1Ω - 0.18Ω** 0.1Ω - 0.18Ω 0.1Ω - 0.18Ω SR731J (0603) 1/5W (.2W) 70°C 125°C ±200 — 0.1Ω - 10Ω 0.1Ω - 10Ω 0.1Ω - 10Ω 1.41V 3.53V ±100 0.15Ω - 10Ω 0.1Ω - 10Ω — — 1/3W (.33W) 70°C 125°C ±200 — — 0.1Ω - 10Ω 0.1Ω - 10Ω ±500 — — — 0.051Ω - 0.091Ω SR732A ±800 — — — 0.030Ω - 0.047Ω 1.58V 3.95V (0805) ±100 0.15Ω - 10Ω 0.1Ω - 10Ω — — 1/2W (.5W1) –– 105°C ±200 — — 0.1Ω - 10Ω 0.1Ω - 10Ω ±500 — — — 0.051Ω - 0.091Ω ±800 — — — 0.030Ω - 0.047Ω ±100 0.15Ω - 10Ω 0.1Ω - 10Ω — — 1/3W (.33W) 70°C 125°C ±200 — — 0.1Ω - 10Ω 0.1Ω - 10Ω ±500 — — — 0.056Ω - 0.091Ω SR732B ±800 — — — 0.030Ω - 0.051Ω 1.81V 4.54V (1206) ±100 0.15Ω - 10Ω 0.1Ω - 10Ω — — 1/2W (.5W1) –– 110°C ±200 — — 0.1Ω - 10Ω 0.1Ω - 10Ω ±500 — — — 0.056Ω - 0.091Ω ±800 — — — 0.030Ω - 0.051Ω ±100 — 0.1Ω - 10Ω — — 1/2W (.5W) 70°C 125°C ±200 — — 0.1Ω - 10Ω 0.047Ω - 10Ω ±500 — — — 0.036Ω - 0.043Ω SR732E ±1000 — — — 0.024Ω - 0.033Ω (1210) ±100 — 0.1Ω - 10Ω — — 2.23V 5.59V 2/3W (.66W1) –– 110°C ±200 — — 0.1Ω - 10Ω 0.047Ω - 10Ω ±500 — — — 0.036Ω - 0.043Ω ±800 — — — 0.024Ω - 0.033Ω ±100 — 0.1Ω - 10Ω — — SR732H/W2H 3/4W (.75W) 70°C 125°C ±200 — — 0.1Ω - 10Ω 0.1Ω - 10Ω 2.73V 6.84V (2010) ±500 — — — 0.056Ω - 0.091Ω ±800 — — — 0.033Ω - 0.051Ω ±100 — 0.1Ω - 10Ω — — SR733A/W3A 1W 70°C 125°C ±200 — — 0.1Ω - 10Ω 0.1Ω - 10Ω 3.16V 7.90V (2512) ±500 — — — 0.056Ω - 0.091Ω ±800 — — — 0.039Ω - 0.051Ω * Parentheses indicate EIA package size codes. ** 1H, 1E (F: ±1%) E-24 values only. Operating Temp: -55C to +125°C (SR731H only), -55°C to +150°C If any questions should arise whether to use the “Rated Ambient Temperature” or the “Rated Terminal Part Temperature,” please give priority to the “Rated Terminal Part Temperature.” Prior to use and for more details refer to “Introduction of the derating curves on the terminal part temperature” in the beginning of the catalog. 1 Prior to use, refer to the “Higher Power Ratings” in the beginning of catalog. 5. Rating SR73 2A (0.5W), SR73 2B (0.5W), SR73 2E (0.66W) Derating Curve For resistors operated at an ambient temperature For resistors operated at a terminal part temperature of described for each size or above, a power rating shall be derated in of 70°C or above, a power rating shall be derated accordance with the derating curve. in accordance with the derating curve. Please refer to “Introduction of the derating curve based on the terminal part temperature” on the beginning of our catalog before use. PAGE 2 OF 6 Bolivar Drive (cid:1) P.O. Box 547 (cid:1) Bradford, PA 16701 (cid:1) USA (cid:1) 814-362-5536 (cid:1) Fax 814-362-8883 (cid:1) www.koaspeer.com 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. SS-239 R9 5-2 Voltage Rating Resistors shall have a rated direct-current (DC) continuous working voltage or approximate sine-wave root-mean-square (RMS) continuous working voltage at commercial-line frequency and waveform corresponding to the power rating, as determined from the following formula: Where: E = Rated voltage (V) E = √ P x R P = Rated power (W) R= Nominal resistance (Ω) In no case shall be rated DC or R.M.S. continuous working voltage be greater than the applicable maximum value. 6. Body and Marking Coating Marking Type Tolerance Color Color D (±0.5%) SR73 Indigo White/ 4 digit F (±1%) G (±2%) SR73 Indigo White/ 3 digit J (±5%) Marking: a effective number and a multiplier. R means a decimal point. 3 Digit 4 Digit 7. Marking Method This character indicate Ω unit and D, F 4 digit express 4 effective numbers. R20 0.2 W R200 R means a decimal point. This character indicate Ω unit and G, J 3 digit express 3 effective numbers. R means a decimal point. 4R7 4.7 W 4R70 PAGE 3 OF 6 Bolivar Drive (cid:1) P.O. Box 547 (cid:1) Bradford, PA 16701 (cid:1) USA (cid:1) 814-362-5536 (cid:1) Fax 814-362-8883 (cid:1) www.koaspeer.com 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. SS-239 R9 8. Performance Characteristics ∆ Requirement R ±(%+0.05Ω) Parameter Limit Typical Test Method Within specified Resistance — 25°C tolerance Within specified T.C.R. — +25°C/-55°C and +25°C/+125°C T.C.R. Overload (Short time) ±2% ±0.5% Rated Voltage x 2.5 for 5 seconds Resistance to Solder Heat 1H: ±3%, 1H: ±0.75% 260°C ± 5°C, 10 seconds ± 1 second 1E~W3A: ±1% 1E~W3A: ±0.3% Rapid Change of Temperature ±1% ±0.3% -40°C (30 minutes), +125°C (30 minutes), 100 cycles Moisture Resistance 1H: ±3% ±1% 40°C ± 2°C, 90%-95% RH, 1000 hours, 1.5 hr ON, 0.5 hr OFF cycle 1E~W3A: ±2% Endurance at 70°C 1H: ±3% ±1% 70°C ± 2°C, 1000 hours, 1.5 hr ON, 0.5 hr OFF cycle 1E~W3A: ±2% High Temperature Exposure ±1% ±0.3% 1H: +125°C, 1000 hours; 1E, 1J, 2A, 2B, 2E, 2H/W2H, 3A/W3A:+150°C, 1000 hours 9. Recommended Land Dimensions 9-1 Reflow Soldering Dimensions in inches (mm) B Type Style Resistor Size A B C D D A 0.016 x 0.008 0.005 0.019 0.007 0.007 1 F (0.4 x 0.2) (0.12) (0.48) (0.18) (0.18) 0.024 x 0.012 0.010 0.028 0.012 0.009 1 H (0.6 x 0.3) (0.25) (0.7) (0.3) (0.225) C 0.039 x 0.020 0.020 0.051 0.012 0.016 1 E (1.0 x 0.5) (0.5) (1.3) (0.3) (0.4) 0.063 x 0.031 0.039 0.079 0.024 0.020 1 J (1.6 x 0.8) (1.0) (2.0) (0.6) (0.5) Soldering Pad 0.079 x 0.049 0.051 0.098 0.041 0.024 SR73 2 A Chip Resistor (2.0 x 1.25) (1.3) (2.5) (1.05) (0.6) 0.126 x 0.063 0.087 0.157 0.055 0.035 2 B (3.2 x 1.6) (2.2) (4.0) (1.4) (0.9 ) 0.126 x 0.098 0.087 0.157 0.091 0.035 2 E (3.2 x 2.5) (2.2) (4.0) (2.3) (0.9 ) 0.197 x 0.098 0.138 0.248 0.091 0.055 2 H (5.0 x 2.5) (3.5) (6.3) (2.3) (1.4 ) 0.252 x 0.126 0.181 0.315 0.118 0.067 3 A (6.4 x 3.2) (4.6) (8.0) (3.0) (1.7) PAGE 4 OF 6 Bolivar Drive (cid:1) P.O. Box 547 (cid:1) Bradford, PA 16701 (cid:1) USA (cid:1) 814-362-5536 (cid:1) Fax 814-362-8883 (cid:1) www.koaspeer.com 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. SS-239 R9 10.Taping Dimensions in inches (mm) 10-1 Taped Configuration End tape Leader tape (Empty) (Empty) (Top tape) 7.87 (200) min. 3.94 (100) min. 15.75 (400) min. 10-2 Dimensions of Punched Paper Tape 1.5+-00.1 Carrier Tape .1 0 B – 5 .7 1 W A P1 (TP) T1 T1 T1 P1 2.04.0–0.1 Direction of feed (Notes) Dotted lines are applicable to only "TP" and "TB." Component Size (mm) Quantity/ Taping (mm) Carrier Reel Type Reel L W T Tape (Pieces) A B W P1 T1 Size TX 40000 0.25±0.04 0.45±0.04 4.0±0.2 1.0±0.05 0.40±0.1 180 1F 0.4 0.2 0.12 TBL 20000 0.25±0.03 0.45±0.03 8.0±0.2 2±0.05 0.31+0.2/-0 178 TA 35000 0.67±0.05 0.37±0.05 8.0±0.2 1±0.05 0.42±0.1 178 1H 0.6 0.3 0.23 TC/TCM 10000/15000 0.67±0.05 0.37±0.05 8.0±0.2 2±0.05 0.42±0.1 178 TPL* 20000 1.15±0.1 0.65±0.1 8.0±0.2 2±0.05 0.42+0.2/-0 178 1E 1 0.5 0.35 TP 10000 1.15±0.1 0.65±0.1 8.0±0.2 2±0.05 0.42+0.2/-0 178 TP 10000 1.9±0.1 1.1±0.1 8.0±0.2 2±0.05 0.6+0.2/-0 178 1J 1.6 0.8 0.45 TD 5000 1.9±0.1 1.1±0.08 8.0±0.2 4.0±0.1 0.6+0.2/-0 178 TDD 10000 1.9±0.1 1.1±0.1 8.0±0.2 4.0±0.1 0.6+0.2/-0 255 TP 10000 2.4±0.2 1.65±0.2 8.0±0.2 2±0.05 0.75+0.2/-0 178 TD 5000 2.4±0.2 1.65±0.2 8.0±0.2 4.0±0.1 0.75+0.2/-0 178 2A 2 1.25 0.5 TE 4000 2.4±0.2 1.6±0.2 8.0±0.2 4.0±0.1 0.9±0.1 178 S R 7 3 TDD 10000 2.4±0.1 1.65±0.1 8.0±0.2 4.0±0.1 0.75+0.2/-0 255 TED 10000 2.4±0.2 1.45±0.15 8.0±0.2 4.0±0.1 0.65±0.1 255 TD 5000 3.5±0.2 2±0.2 8.0±0.2 4.0±0.1 0.75+0.2/-0 178 TE 4000 3.5±0.2 1.9±0.2 8.0±0.2 4.0±0.1 1.0±0.1 178 2B 3.2 1.6 0.6 TDD 10000 3.5±0.1 1.9±0.1 8.0±0.2 4.0±0.1 0.75+0.2/-0 255 TED 10000 3.5±0.1 1.9±0.2 8.0±0.2 4.0±0.1 1.0±0.1 255 TD 5000 3.5±0.2 2.85±0.2 8.0±0.2 4.0±0.1 0.75+0.2/-0 178 TE 4000 3.5±0.2 2.85±0.2 8.0±0.2 4.0±0.1 1.0±0.15 178 2E 3.2 2.6 0.6 TDD 10000 3.5±0.1 2.8±0.1 8.0±0.2 4.0±0.1 0.75+0.2/-0 255 TED 10000 3.6±0.15 2.9±0.15 8.0±0.2 4.0±0.1 1.0±0.1 255 TE 4000 5.35±0.2 2.9±0.2 12.0±0.1 4.0±0.1 1.0±0.15 178 2H/W2H 5 2.5 0.6 TED 10000 5.4±0.2 2.9±0.2 12.0±0.1 4.0±0.1 0.85±0.1 255 TE 4000 6.65±0.2 3.44±0.2 12.0±0.1 4.0±0.1 1.0±0.15 178 3A/W3A 6.3 3.1 0.6 TED 10000 6.9±0.2 3.6±0.2 12.0±0.1 4.0±0.1 0.85±0.1 255 PAGE 5 OF 6 Bolivar Drive (cid:1) P.O. Box 547 (cid:1) Bradford, PA 16701 (cid:1) USA (cid:1) 814-362-5536 (cid:1) Fax 814-362-8883 (cid:1) www.koaspeer.com 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. SS-239 R9 Dimensions in inches (mm) 11-5 Dimensions of Reel w t Size øa max. øb w t øc ød e øa Code 7 " 1 0 " 1 H (0201) øb 3.150 0.394 1.063 .118 1 E (0402) (80 ± 2.0) (10 ± 1.0) (27 ± 2.0) (3.0 ± 0.5) 1 J (0603) 7.008 10.039 .059 0.512 2 A (0805) (178) (255) (1.5 ± 0.05) (13 ± 0.5) 2 B (1206) 2.362 0.551 .827 .079 2 E (1210) (60 ± 2.0) (14 ± 1.0) (21 ± 2.0) (2.0 ± 0.5) 2 H (2010) øc ød e 3 A (2512) Quantity per reel or reel size are requested to designate at the time of ordering. Contents on label: (1) Article number (SR73K2ATD J) (4) Customer’s code number (subject to change) (2) Quantity (5) Production lot number (3) Nominal Resistance and the (6) Manufacturer’s name chip marking [Ex: 0.2 Ω (R20)] 10.Packing Lot number (8 digits) 23 12 3001 47~58 January 2011 ~ December 2014 Production Date Additional 59~70 January 2012 ~ December 2015 year, month day number 11.Packaging Method Size TCM 7" Pressed TPL Punched TE 7" Embossed TP 7" Punched TD Punched TED 10" TDD 10" Punched Code Paper Paper Plastic Paper Paper Embossed Plastic Paper 1H (0201) 15,000 ––––– ––––– ––––– ––––– ––––– ––––– 1E (0402) ––––– 20,000 ––––– 10,000 ––––– ––––– ––––– 1J (0603) ––––– ––––– ––––– 10,000 5,000 ––––– 10,000 2A (0805) ––––– ––––– 4,000 10,000 5,000 10,000 10,000 2B (1206) ––––– ––––– 4,000 ––––– 5,000 10,000 10,000 2E (1210) ––––– ––––– 4,000 ––––– 5,000 10,000 10,000 2H (2010) ––––– ––––– 4,000 ––––– ––––– 10,000 ––––– W2H (2010 ––––– ––––– 4,000 ––––– ––––– 10,000 ––––– 3A (2512) ––––– ––––– 4,000 ––––– ––––– 10,000 ––––– W3A (2512) ––––– ––––– 4,000 ––––– ––––– 10,000 ––––– PAGE 6 OF 6 Bolivar Drive (cid:1) P.O. Box 547 (cid:1) Bradford, PA 16701 (cid:1) USA (cid:1) 814-362-5536 (cid:1) Fax 814-362-8883 (cid:1) www.koaspeer.com Specifications given herein may be changed at any time without prior notice. Please confirm technical specifications before you order and/or use.

Mouser Electronics Authorized Distributor Click to View Pricing, Inventory, Delivery & Lifecycle Information: K OA Speer: SR733ALTE8R87F SR732ELTER562F SR732HLTER604F SR733ALTER383F SR732ALTER787F SR732BLTER681F SR732BLTD1R74F SR732ALTER649F SR732BLTER549F SR733ALTER182F SR732HLTER787F SR733ALTER187F SR732BLTER154F SR732BLTER158F SR733ALTER590F SR732ELTER191F SR732BLTER150F SR732BLTER237F SR733ALTE5R90F SR732BLTER232F SR732BLTER240F SR732ALTER280F SR732BLTER162F SR732BLTER243F SR732ELTE2R94F SR732BTK001KIT SR733ALTER681F SR732ELTER221F SR732ALTER226F SR732ALTE7R15F SR732BLTE1R00F SR732HLTER182F SR732ELTER464F SR732HLTER422F SR732BLTER107F SR732BLTE2R37F SR732BLTER140F SR732HLTER464F SR732BLTE1R47F SR732ALTE1R87F SR732ELTER931F SR732BLTE1R43F SR732ALTER182F SR732ELTE1R82F SR733ALTE7R50F SR732ELTE4R3J SR733ALTER154F SR733ALTE2R61F SR733ALTER158F SR733ALTER150F SR732BLTER590F SR732BLTE5R62F SR732HLTER511F SR732HLTE47LJ SR733ALTER340F SR732BLTER787F SR733ALTER100F SR733ALTE2R37F SR733ALTER107F SR732ELTE5R76F SR732BLTE47LJ SR733ALTER348F SR733ALTE2R32F SR733ALTER102F SR733ALTER105F SR732ELTER665F SR733ALTE43LJ SR732HLTER549F SR733ALTE8R66F SR732ELTER976F SR732ALTER221F SR733ALTE91LJ SR732ELTE7R15F SR732HLTER261F SR733ALTE1R47F SR732BLTE4R42F SR733ALTE1R40F SR732ALTER464F SR732BLTER205F SR732ELTER309F SR732ELTER301F SR732ELTE8R25F SR732ELTE5R23F SR732HLTER590F SR732BLTDR511F SR732ELTER634F SR733ALTER316F SR732HLTER715F SR732ALTER750F SR733ALTER113F SR732ELTE6R19F SR732ALTER866F SR732HLTER825F SR732ELTER357F SR732ELTDR200F SR733ALTE9R09F SR732HLTER316F SR732BLTE1R30F SR732BLTE1R33F SR733ALTER750F