SR731JLTDDR39J - KOA Speer Electronics, Inc.

36 KOA Speer Electronics, Inc. • 199 Bolivar Drive • 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. 4/27/11

SR73

lo-ohm 0.5%, 1%, 2%, 5% tolerance thick film

current sense resistor

features

•RuO2thick film resistor element

•Marking: 1H,1E: no marking on black protective coating

1J~W3A: three or four digit marking on indigo

protective coating

•Products with lead-free terminations meet EU RoHS

requirements. EU RoHS regulation is not intended for

Pb-glass contained in electrode, resistor element and glass.

ordering information

D: ±0.5%

F: ±1%

G:±2%

J: ±5%

T: Sn

(Other termination

styles may be

available, please

contact factory

for options)

G: Au (2A: 0.1Ω -

10Ω - contact

factory)

±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 = 20L

(3-digit)

W2H

W3A

TCM: 0201 only:

7" 2mm pitch pressed paper

TPL:0402 only: 2mm pitch punch paper

TP: 0402, 0603, 0805: 7" 2mm pitch

punch paper

TD: 0603, 0805, 1206, 1210:

7" 4mm pitch punched paper

TDD: 0603, 0805, 1206, 1210:

10" paper tape

TE: 0805, 1206, 1210, 2010 & 2512:

7" embossed plastic

TED: 0805, 1206, 1210, 2010 & 2512:

10" embossed plastic

For further information on packaging,

please refer to Appendix A

SR73

Type Size Nominal

Resistance Tolerance

Termination

Material Packaging

New Part # 2B TD 1R00 FT

dimensions and construction

Protective

Coating Inner

Electrode

Resistive

Film

Ceramic

Substrate

Solder

Plating

Lcc

Type

.039 +.004

-.002

(1.0 +0.1 )

-0.05

.01±.004

(0.25±0.1)

.012 +.008

-.004

(0.3 +0.2)

-0.1

.016 +.008

-.004

(0.4 +0.2)

-0.1

.016 +.008

-.004

(0.4 +0.2)

-0.1

.014±.002

(0.35±0.05)

.018±.004

(0.45±0.1)

.014±.004

(0.35±0.1)

.02±.004

(0.5±0.1)

.024±.004

(0.6±0.1)

.01±.004

(0.25±0.1)

.014±.004

(0.35±0.1)

.016±.008

(0.4±0.2)

.02±.012

(0.5±0.3)

.009±.001

(0.23±0.03)

.006±.002

(0.15±0.05)

.026±.006

(0.65±0.15)

.026±.006

(0.65±0.15)

.004±.002

(0.1±0.05)

.063±.008

(1.6±0.2)

.102±.008

(2.6±0.2)

.098±.008

(2.5±0.2)

.126±.008

(3.2±0.2)

.049±.004

(1.25±0.1)

.031 +.006

-.004

(0.8 +0.15)

-0.1

.02 +.004

-.002

(0.5 +0.1 )

-0.05

.063±.008

(1.6±0.2)

.079±.008

(2.0±0.2)

.197±.008

(5.0±0.2)

.024±.001

(0.6±0.03)

(0402)

(0603)

(0805)

(1206)

.012±.001

(0.3±0.03)

(0201)

(2010)

W2H

(2010)

.122±.008

(3.1±0.2)

.248±.008

(6.3±0.2)

(2512)

W3A

(2512)

(Inch Size Code) Wc d t

Dimensions inches (mm)

(1210)

resistors

KOA Speer Electronics, Inc. • 199 Bolivar Drive • 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. 4/27/11

SR73

lo-ohm 0.5%, 1%, 2%, 5% tolerance thick film

current sense resistor

* Parentheses indicate EIA package size codes. ** 1H, 1E (F: ±1%) E-24 values only.

1Please contact factory for limitation of Surface Mount Temperature Rise.

2SR73W3AS (2010 size, 1 Watt) with limited Resistance Range - contact factory for details.

Absolute

Maximum

Working

Voltage

E-24, E-96

(F±1%) E-24

(G±2%) E-24

(J±5%)

Part

Designation*

Maximum

Overload

Voltage

(5 Secs. Max.)

Operating

Temperature

Range

Power

Rating

@ 70°C

applications and ratings

SR731E

(0402)

SR731J

(0603)

0.51Ω - 10Ω**

0.22Ω - 0.47Ω**

0.1Ω - 0.2Ω**

0.51Ω - 10Ω

0.22Ω - 0.47Ω

0.1Ω - 0.2Ω

0.1Ω - 10Ω0.1Ω - 10Ω0.1Ω - 10Ω

0.51Ω - 10Ω

0.22Ω - 0.47Ω1.11V 2.79V

1.41V 3.53V

0.1Ω - 0.2Ω

±200

±250

1/8W (.125W)

1/6W (.166W1)

1/5W (.2W)

SR732A

(0805) 1.58V 3.95V

1/4W (.25W)

1/3W (.33W1)

±300

±200

Resistance RangeT.C.R.

(ppm/°C)

Max.

-55°C

+150°C

-55°C to

+125°C

0.1Ω - 10Ω—

±100 —

—0.1Ω - 10Ω±200 0.1Ω - 10Ω

——±500 0.051Ω - 0.091Ω

——±800 0.030Ω - 0.047Ω

SR732B

(1206) 1.81V 4.54V

1/3W (.33W)

1/2W (.5W1)

0.1Ω - 10Ω—±100 —

—0.1Ω - 10Ω±200 0.1Ω - 10Ω

——±500 0.056Ω - 0.091Ω

——±800 0.030Ω - 0.051Ω

SR732H/W2H2

(2010) 2.73V 6.84V3/4W (.75W)

0.1Ω - 10Ω—±100 —

—0.1Ω - 10Ω±200 0.1Ω - 10Ω

——±500 0.056Ω - 0.091Ω

——±800 0.033Ω - 0.051Ω

SR733A/W3A

(2512) 3.16V 7.90V1W

0.1Ω - 10Ω—±100 —

—0.1Ω - 10Ω±200 0.1Ω - 10Ω

——±500 0.056Ω - 0.091Ω

——±800 0.039Ω - 0.051Ω

SR732E

(1210) 2.23V 5.59V

1/2W (.5W)

2/3W (.66W1)

0.1Ω - 10Ω—±100 —

—0.1Ω - 10Ω±200 0.047Ω - 10Ω

——±500 0.036Ω - 0.043Ω

——±1000 0.024Ω - 0.033Ω

Derating Curve

Performance Characteristics

Surface Temperature Rise

environmental applications

% Rated Power

100

-60 -40 0 406080100160

Ambient Temperature

(°C)

-55

120

125

-20 140

150

1E, 1J,

2A, 2B, 2E,

2H, 3A,

W2H, W3A

Temperature Rise

(°C)

180

160

120

25 50 75 100

% Rated Power

W3A (1W)

W2H (.75W)

2E (.5W)

2A (.25W)

)

140

100

2E (.66W)

2B (.5W)

2A (.33W)

1J (.2W)

1E (.166W)

2B (.33W)

1E (.125W

1H (.1W)

E-24, E-96

(D±0.5%)

—

SR731H

(0201) 1Ω - 10Ω**

——0.18Ω - 0.24Ω

0.27Ω - 10Ω1.0V 2.5V0.1W 0 - ±500

0 - ±400 —

0.15Ω - 10Ω

—

0.15Ω - 10Ω

—

Parameter

Requirement ∆ R ±(%+0.05Ω)

Limit Typical Test Method

Resistance

T.C.R.

25°C

+25°C/-55°C and +25°C/+125°C

Within specified

tolerance

Within specified

T.C.R.

—

Overload (Short time) Rated Voltage x 2.5 for 5 seconds

±2% ±0.5%

Resistance to Solder Heat 260°C ± 5°C, 10 seconds ± 1 second

1H: ±3%,

1E~W3A: ±1% 1H: ±0.75%

1E~W3A: ±0.3%

Rapid Change of Temperature -40°C (30 minutes), +125°C (30 minutes), 100 cycles

±1% ±0.3%

Moisture Resistance 40°C ± 2°C, 90%-95% RH, 1000 hours, 1.5 hr ON, 0.5 hr OFF cycle

1H: ±3%

1E~W3A: ±2% ±1%

Endurance at 70°C 70°C ± 2°C, 1000 hours, 1.5 hr ON, 0.5 hr OFF cycle

1H: ±3%

1E~W3A: ±2% ±1%

High Temperature Exposure 1H: +125°C, 1000 hours; 1E, 1J, 2A, 2B, 2E, W2H, W3A:+150°C, 1000 hours

±1% ±0.3%

resistors