LA731JTTD101J3300 - KOA Speer Electronics, Inc.

184 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. 12/31/10

LA73

thick film linear positive tempco thermistor

features

•Twenty-five specifiable temperature characteristics

•Marking: Black three-digit on orange body color

•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.

TD: 7" paper

(5,000 pieces/reel)

ordering information

2 significant

figures + 1

multiplier

1J: 0603

2A: 0805

2B: 1206

T: Sn

(Other termination

styles available,

contact factory

for options)

J: ±5%

LA73 1J 3300T

Size

Code

Type Resistance

Value Tolerance T.C.R.

Termination

Material Packaging

New Part # TD 101 J

For further information on packaging,

please refer to Appendix A.

Protective

Coating Inner

Electrode

Resistive

Film

Ceramic

Substrate

Solder

Plating

Lcc

dimensions and construction

.012 +.008

-.004

(0.3 +0.2)

-0.1

.063±.008

(1.6±0.2) .031±.004

(0.8±0.1) .012±.004

(0.3±0.1) .012±.004

(0.3±0.1) .018±.004

(0.45±0.1)

.02±.004

(0.5±0.1)

.016±.008

(0.4±0.2)

.049±.004

(1.25±0.1)

.079±.008

(2.0±0.2)

(0805)

.016 +.008

-.004

(0.4 +0.2)

-0.1

.024±.004

(0.6±0.1)

.02±.008

(0.5±0.3)

.063±.008

(1.6±0.2)

.126±.008

(3.2±0.2)

(1206)

Wc d t

Dimensions inches (mm)

Type

(0603)

(Inch Size Code)

thermal

protection

LA73

thick film linear positive tempco thermistor

Thermal

Dissipation

Constant

(mW/°C)

Rated

Ambient

Temp.

Max.

Working

Voltage (V)

applications and ratings

Part

Designation Resistance

Tolerance

T.C.R.

Tolerance

T.C.R.

(ppm/°C)

Max.

1KΩ - 10KΩ

680Ω - 6.8KΩ

470Ω - 4.7KΩ

470Ω - 3.9KΩ

330Ω - 2.7KΩ

220Ω - 1.8KΩ

220Ω - 1.2KΩ

100Ω - 1.2KΩ

100Ω - 390Ω

68Ω - 220Ω

33Ω - 120Ω

22Ω - 82Ω

1KΩ - 10KΩ

680Ω - 6.8KΩ

470Ω - 4.7KΩ

470Ω - 3.9KΩ

330Ω - 2.7KΩ

220Ω - 1.8KΩ

220Ω - 1.2KΩ

100Ω - 1.2KΩ

100Ω - 390Ω

68Ω - 220Ω

33Ω - 120Ω

22Ω - 82Ω

1KΩ - 10KΩ

680Ω - 6.8KΩ

470Ω - 4.7KΩ

470Ω - 3.9KΩ

330Ω - 2.7KΩ

220Ω - 1.8KΩ

220Ω - 1.2KΩ

100Ω - 1.2KΩ

100Ω - 390Ω

68Ω - 220Ω

33Ω - 120Ω

22Ω - 82Ω

Resistance Range

E-12

LA731J LA732A LA732B

J: ±5%

±200ppm/°C

±10%

1000

1200

1400

1600

1800

2000

2200

2400

2600

2800

3000

3300

3600

7.6

LA731J

8.2

LA732A

9.0

+70°C

LA732B

Performance Characteristics

Derating Curve Temperature Characteristics

environmental applications

% Rated Power

100

-60 -40 -20 0 406080100140

Ambient Temperature

(°C)

-55 120

125

-10

-50 -25 0 5075100125

Ambient Temperature

(°C)

-40

-75

3600ppm/°C

-20

-30

3000ppm/°C

2000ppm/°C

1000ppm/°C

Resistance Changing Rate (∆R)

Approximate Expression for Resistance-Temperature Characteristics

C1C2

3000

3300

3600

0.926 0.00294 1.1 x 10-7

4.1 x 10-7

1.7 x 10-7

0.918

0.910

T.C.R.

(x10-6/K)

0.00325

0.00359

(Values are not guaranteed but typical)

RT=R25 (C0+C1T+C2T2)

RT: Resistance value at T°C

R25: Resistance value at 25°C

T: Ambient temperature (°C)

C0, C1, C2: Constants

Operating Temp. Range: -55°C - +125°C

185

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. 12/16/11

Parameter

Requirement ∆ R ±(% + 0.1Ω)

Limit Typical Test Method

Resistance

T.C.R.

25°C

+25°C/+75°C

Within specified

tolerance

Within specified

T.C.R.

—

Overload (Short time) Rated voltage x 2.5 or maximum working volume x 2 for 5 seconds, whichever is lower

±1.0% ±0.5%

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

±1.0% ±0.5%

Rapid Change of Temperature -55°C (30 minutes)/ +125°C (30 minutes), 100 cycles

±1.0% ±0.5%

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

±3.0% ±1.5%

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

±3.0% ±1.5%

Confirming resistance drift is recommended since this product has a tendency to have bigger resistance change than general flat chip over 70°C.

Please pay attention not to be applied ESD, it may cause of resistance change.

Test Items

High Temperature Exposure 125°C, 1000 hours

±3.0%

Reference Test Method

ESD Human model, 100 pF 1.5 kΩ

300V

Actual Value (Out of Guarantee)

thermal

protection