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KOA SPEER ELECTRONICS, INC.
SS-239 R4
AHA 12/05/07
Low Resistance Flat Chip Resistors Type SR73
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:
CERTIFIED
CERTIFIED
SR73
Size
2B
Size
1E 1J 2A 2B 2E 2H 3A
T
Termination Material
T: Sn (Other termination styles may be available, please contact factory for options)
TD
Packaging
TP: 2mm Pitch Punched Paper Tape (0402, 0603 & 0805) 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 <10 1%: 3 significant figures + 1 multiplier "R" indicates decimal on value <100 All values less than 0.1 (100m) are expressed in m with "L" as decimal Example: 20m = 20L0
F
Tolerance
D: 0.5% F: 1% G: 2% J: 5%
3. Dimensions and Structure 3-1 Dimensions
c L c
Type
(Inch Size Code)
L .039 +.004 -.002 (1.0 +0.1 ) -0.05
Dimensions inches (mm) W c d .02 +.004 -.002
t
1E (0402) 1J (0603) 2A (0805) 2B (1206) 2E (1210) 2H (2010) 3A (2512)
.01.004 .01.004 .014.002 (0.5 +0.1 ) (0.250.1) (0.250.1) (0.350.05) -0.05
W Solder Plating t d Protective Coating Resistive Inner Film Electrode Ni Plating
+.006 .063.008 .031 -.004 .014.004 .014.004 .018.004 (1.60.2) (0.8 +0.15 ) (0.350.1) (0.350.1) (0.450.1) -0.1
.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 (5.00.2) (2.50.2) .248.008 .122.008 (6.30.2) (3.10.2)
.012 +.008 -.004 (0.3 +0.2 ) -0.1 .016 +.008 -.004
.02.004 (0.50.1)
Ceramic Substrate
.02.012 (0.50.3)
(0.4 +0.2 ) -0.1
.024.004 (0.60.1)
.025.005 (0.650.15)
PAGE 1 OF 8
Bolivar Drive
P.O. Box 547
Bradford, PA 16701
USA
814-362-5536
Fax 814-362-8883
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 R4
4. Standard Applications
Part Designation* SR731E (0402) SR731J (0603) SR732A (0805) SR732B (1206) SR732E (1210) SR732H (2010) SR733A (2512) Power Rating @ 70C 1/8W (.125W) 1/6W (.166W2) 1/5W (.2W) 1/4W (.25W) 1/3W (.33W2) 1/3W (.33W) 1/2W (.5W2) 1/2W (.5W) 2/3W (.66W2) 3/4W (.75W) 1W 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 (D0.5%) (F1%)
-- -- -- -- 0.15 - 10 -- -- -- 0.15 - 10 -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- 0.51 - 10*** 0.2 - 0.47*** 0.1 - 0.18*** 0.1 - 10 0.1 - 10 -- -- -- 0.1 - 10 -- -- -- 0.1 - 10 -- -- -- 0.1 - 10 -- -- -- 0.1 - 10 -- -- --
E-24 (G2%)
0.51 - 10 0.2 - 0.47 0.1 - 0.18 0.1 - 10 -- 0.1 - 10 -- -- -- 0.1 - 10 -- -- -- 0.1 - 10 -- -- -- 0.1 - 10 -- -- -- 0.1 - 10 -- --
E-24 (J5%)
0.51 - 10 0.2 - 0.47 0.1 - 0.18 0.1 - 10 -- 0.1 - 10 0.051 - 0.091 0.030 - 0.047 -- 0.1 - 10 0.056 - 0.091 0.030 - 0.051 -- 0.047 - 10 0.036 - 0.043 0.024 - 0.033 -- 0.1 - 10 0.056 - 0.091 0.033 - 0.051 -- 0.1 - 10 0.056 - 0.091 0.039 - 0.051
Absolute Maximum Working Voltage 1.11V 1.41V 1.58V 1.81V 2.23V 2.73V 3.16V
Maximum Operating Overload Temperature Voltage Range (5 Secs. Max.) 2.79V 3.53V 3.95V 4.54V 5.59V 6.84V 7.90V -55C to +150C
* Parenthesis indicate EIA package size codes. ** See Appendix D for available decade values. 1 Power Rating for SR731E 0.91 - 10 = 1/10 (0.1W) 2 Please contact factory for limitation of Surface Mount Temp. Rise
*** 1E (F: 1%) E-24 values only.
5. Rating 5-1 Rating For temperature in excess of 70C, the load shall be derated in accordance with the following figure.
Derating Curve
100 80 % Rated Power 60 40 20
1E
Surface Temperature Rise
180 160 Temperature Rise (C) 140 120 100 80 60 40 20 0 0 25 50 75 100
W2H (.75W) 2E (.66W) 2B (.5W) 2A (.33W) 2E (.5W) 2B (.33W) 2A (.25W) 1E (.166W) 1J (.2W) 1E (.125W) W3A (1W)
1J, 2A, 2B, 2E, 2H, 3A
Measuring Point
0 -60 -40 -20 -55
0
80 100 120 140 160 70 150 155 Ambient Temperature (C) 40 60
20
% Rated Power
PAGE 2 OF 8
Bolivar Drive
P.O. Box 547
Bradford, PA 16701
USA
814-362-5536
Fax 814-362-8883
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 R4
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) P x R P = Rated power (W) R = Nominal resistance ()
E=
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
Type
SR73 SR73
Tolerance
D (0.5%) F (1%) G (2%) J (5%)
Coating Color
Indigo Indigo
Marking Color
White/ 4 digit White/ 3 digit
Marking: a effective number and a multiplier. R means a decimal point.
7. Marking Method
D, F 4 digit This character indicate unit and express 4 effective numbers. R means a decimal point. This character indicate unit and express 3 effective numbers. R means a decimal point.
3 Digit
4 Digit
R20
0.2
R200
G, J
3 digit
4R7
4.7
4R70
PAGE 3 OF 8
Bolivar Drive
P.O. Box 547
Bradford, PA 16701
USA
814-362-5536
Fax 814-362-8883
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 R4
8. Characteristics 8-1 Mechanical Characteristics
Item Withstanding Soldering Heat Solderability Requirement No visual damage 1.0% More than 95% of the surface of the termination must be covered new solder 1.0% Test Methods (JIS C 5202) 6.10 260C 5C 10 1 sec. 6.11 230C 5C 3 0.5 sec. 6.1.4 1) Bending 2A, 2B Circuit board bending 5mm Circuit board bending 2mm
Termination Strength
2) Shear 3) Pull-off strength Vibration Withstanding Solvent 0.5% No visual & mechanical damage 6.3 Condition A Each direction / 2hrs 1) 4.2 and 4.9 2) MIL-STD-202F Test method 215
8-2 Electrical Characteristics
Item Resistance Resistance of Temperature Coefficient Short Time Overload Intermittent Overload Insulation Requirement Within tolerance Within specified R.T.C -55C/125C 2.0% 5.0% Above 10 4 M Test Methods (JIS C 5202) 5.1 Measuring Voltage A, 25 C 5.2 Condition B 5.5 Condition A 5.8 Applied Voltage: RV x 2.5 5.5 500V DC The following sketch:
\
PAGE 4 OF 8
Bolivar Drive
P.O. Box 547
Bradford, PA 16701
USA
814-362-5536
Fax 814-362-8883
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 R4
8-2 Electrical Characteristics (Continued)
Item Insulation Requirement Above 10 3 M Test Methods (JIS C 5202) 5.6 500V DC The following sketch:
\
Withstanding Voltage
0.5%
500V DC 60 10/0 sec. The following sketch:
5.7
\
Temperature Rise (Rated Load)
1) Surface temp. rise: 100C 2) R 0.5%
5.4 1) Test board 90mm x 10mm x 1.6mm 2) Recommended land dimensions
8-3 Environmental Characteristics
Item Thermal Shock (Air to Air) High Temperature Exposure Load Life in Humidity Requirement 1.0% Test Methods (JIS C 5202) -40C 30 minutes 125C 30 minutes 100 cycles 7.2 125 3C 1000 hrs. 7.9 40 2C 90 ~ 95% RH 1000 hrs. 7.10 70 3C 1000 hrs.
1.0%
2.0%
Load Life
2.0%
PAGE 5 OF 8
Bolivar Drive
P.O. Box 547
Bradford, PA 16701
USA
814-362-5536
Fax 814-362-8883
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 R4
9. Recommended Land Dimensions 9-1 Flow Soldering
Type D B A C 2A Soldering Pad Chip Resistor 2E 2H 3A SR73 2B Style 1E 1J Resistor Size 0.039 x 0.020 (1.0 x 0.5) 0.063 x 0.031 (1.6 x 0.8) 0.079 x 0.049 (2.0 x 1.25) 0.126 x 0.063 (3.2 x 1.6) 0.126 x 0.098 (3.2 x 2.5) 0.197 x 0.098 (5.0 x 2.5) 0.252 x 0.126 (6.4 x 3.2) A 0.020 (0.5) 0.039 (1.0) 0.051 (1.3) 0.087 (2.2) 0.087 (2.2) 0.138 (3.5) 0.181 (4.6)
Dimensions in inches (mm) B 0.059 (1.5) 0.094 (2.4) 0.122 (3.1) 0.173 (4.4) 0.173 (4.4) 0.248 (6.3) 0.315 (8.0) C 0.020 (0.5) 0.031 (0.8) 0.049 (1.25) 0.063 (1.6) 0.098 (2.5) 0.098 (2.5) 0.126 (3.2) D 0.020 (0.5) 0.028 (0.7) 0.035 (0.9) 0.043 (1.1 ) 0.043 (1.1 ) 0.055 (1.4 ) 0.067 (1.7)
9-2 Reflow Soldering
D B A Type Style 1E 1J C 2A SR73 Soldering Pad Chip Resistor 2E 2H 3A 2B Resistor Size 0.039 x 0.020 (1.0 x 0.5) 0.063 x 0.031 (1.6 x 0.8) 0.079 x 0.049 (2.0 x 1.25) 0.126 x 0.063 (3.2 x 1.6) 0.126 x 0.098 (3.2 x 2.5) 0.197 x 0.098 (5.0 x 2.5) 0.252 x 0.126 (6.4 x 3.2) A 0.020 (0.5) 0.039 (1.0) 0.051 (1.3) 0.087 (2.2) 0.087 (2.2) 0.138 (3.5) 0.181 (4.6)
Dimensions in inches (mm) B 0.051 (1.3) 0.079 (2.0) 0.098 (2.5) 0.157 (4.0) 0.157 (4.0) 0.248 (6.3) 0.315 (8.0) C 0.012 (0.3) 0.024 (0.6) 0.041 (1.05) 0.055 (1.4) 0.091 (2.3) 0.091 (2.3) 0.118 (3.0) D 0.016 (0.4) 0.020 (0.5) 0.024 (0.6) 0.035 (0.9 ) 0.035 (0.9 ) 0.055 (1.4 ) 0.067 (1.7)
10. Taping 10-1 Taped Configuration
End tape (Empty)
Dimensions in inches (mm)
Leader tape (Top tape) (Empty)
7.87 (200) min.
1.96 (50) min.
15.75 (400) min.
PAGE 6 OF 8
Bolivar Drive
P.O. Box 547
Bradford, PA 16701
USA
814-362-5536
Fax 814-362-8883
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 R4
10-2 Dimensions of Punched Paper Tape
1.5 +0.1 -0
Carrier Tape
1.750.1
B A
P1
(TP)
W
T1
2.0 4.00.1 Direction of feed
T1
T1
P1
(Notes) Dotted lines are applicable to only "TP" and "TB."
Component Size (mm) Type L
1E 1J 1 1.6
W
0.5 0.8
T
0.35 0.45
Carrier Tape
TP TP TD TDD TP TD TE TDD TED TD TE TDD TED TD TE TDD TED TE TED TE TED
Quantity/ Reel (Pieces)
10000 10000 5000 10000 10000 5000 4000 10000 10000 5000 4000 10000 10000 5000 4000 10000 10000 4000 10000 4000 10000
Taping (mm) A
1.150.1 1.90.1 1.90.1 1.90.1 2.40.2 2.40.2 2.40.2 2.40.1 2.40.2 3.50.2 3.50.2 3.50.1 3.50.1 3.50.2 3.50.2 3.50.1 3.60.15 5.350.2 5.40.2 6.650.2 6.90.2
B
0.650.1 1.10.1 1.10.08 1.10.1 1.650.2 1.650.2 1.60.2 1.650.1 1.450.15 20.2 1.90.2 1.90.1 1.90.2 2.850.2 2.850.2 2.80.1 2.90.15 2.90.2 2.90.2 3.440.2 3.60.2
W
8.00.2 8.00.2 8.00.2 8.00.2 8.00.2 8.00.2 8.00.2 8.00.2 8.00.2 8.00.2 8.00.2 8.00.2 8.00.2 8.00.2 8.00.2 8.00.2 8.00.2 12.00.1 12.00.1 12.00.1 12.00.1
P1
20.05 20.05 4.00.1 4.00.1 20.05 4.00.1 4.00.1 4.00.1 4.00.1 4.00.1 4.00.1 4.00.1 4.00.1 4.00.1 4.00.1 4.00.1 4.00.1 4.00.1 4.00.1 4.00.1 4.00.1
T1
0.45+0.2/-0 0.6+0.2/-0 0.6+0.2/-0 0.6+0.2/-0 0.75+0.2/-0 0.75+0.2/-0 0.90.1 0.75+0.2/-0 0.650.1 0.75+0.2/-0 1.00.1 0.75+0.2/-0 1.00.1 0.75+0.2/-0 1.00.15 0.75+0.2/-0 1.00.1 1.00.15 0.850.1 1.00.15 0.850.1
Reel Size
178 178 178 255 178 178 178 255 255 178 178 255 255 178 178 255 255 178 255 178 255
2A
2
1.25
0.5
SR73
2B
3.2
1.6
0.6
2E
3.2
2.6
0.6
2H 3A
5 6.3
2.5 3.1
0.6 0.6
PAGE 7 OF 8
Bolivar Drive
P.O. Box 547
Bradford, PA 16701
USA
814-362-5536
Fax 814-362-8883
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 R4
11-5 Dimensions of Reel
t w oa ob Size Code 1 H (0201) 1 E (0402) 1 J (0603) 2 A (0805) 2 B (1206) 2 E (1210) 2 H (2010) oc e od 3 A (2512)
7.008 10.039 (178) (255) 2.362 0.551 (60 2.0) (14 1.0)
Dimensions in inches (mm) oa max. 7" 10" ob w t oc od e
3.150 0.394 (80 2.0) (10 1.0) .059 0.512 (1.5 0.05) (13 0.5)
1.063 .118 (27 2.0) (3.0 0.5)
.827 .079 (21 2.0) (2.0 0.5)
Quantity per reel or reel size are requested to designate at the time of ordering. Contents on label: (1) Article number (SR73K2ATD J) (2) Quantity (3) Nominal Resistance and the chip marking [Ex: 0.2 (R20)] (4) Customer's code number (subject to change) (5) Production lot number (6) Manufacturer's name
10. Packing Lot number (8 digits) 89 12 Production Date year, month
41~52 53~64
3001 Additional day number
January 2006 ~ December 2006 January 2007 ~ December 2007
11. Packaging Method
Size Code 1 E (0402) 1 J (0603) 2 A (0805) 2 B (1206) 2 E (1210) 2 H (2010) 3 A (2512) TE 7" Embossed Plastic ----- ----- 4,000 4,000 4,000 4,000 4,000 TP 7" Punched Paper 10,000 10,000 10,000 ----- ----- ----- ----- TD Punched Paper ----- 5,000 5,000 5,000 5,000 ----- ----- TED 10" Embossed TDD 10" Punched Plastic Paper ----- ----- 10,000 10,000 10,000 10,000 10,000 ----- 10,000 10,000 10,000 10,000 ----- -----
PAGE 8 OF 8
Bolivar Drive
P.O. Box 547
Bradford, PA 16701
USA
814-362-5536
Fax 814-362-8883
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.

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