LT73 Datasheet PDF - KOA

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LT73
KOA

Part Number LT73
Description Thermal Sensor / Circuit Protectors
Page 1 Pages


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TmHERMAL SENSORS / CIRCUIT PROTECTORSTECHNOLOGY OF TOMORROW
THERMAL SENSORSU.coLINEAR PTC, THIN FILM
et4LT 73
.DataSheIDENTIFICATION
w PRODUCT CODE
COATING COLOR
ww LT73 Orange
MARKING
Black, 4 digits
STRUCTURE
1 Ceramic substrate
2 Metal film resistor element
3 Top termination
4 Bottom termination
5 End termination
6 Protective layer
7 Nickel barrier
8 Solder plating
Products with Pb-free terminations
meet RoHS requirements
TYPE DESIGNATION (HOW TO ORDER)
Old Part No.
LT73
600 2A
J
TD 10K
mNew Part No. LT73
(Pb-free)
oPRODUCT CODE
T.C.R.
(ppm/K)
2A
STYLE
2A: 0805
2B: 1206
RESISTANCE
TOLERANCE
.cFEATURES
SMD metal thin film resistors with thermo-perceptivity
Resistance value changes in linear positive way to temperature
USuitable for temperature control in various industrial equipment
Anti-leaching nickel barrier terminations
25 specific temperature characteristics
t4Meets or exceeds IEC 60115-8, JIS C 5201-8
Rated ambient temperature: + 70° C
Operating temperature range: -40° C ... + 125° C
Suitable for reflow and wave soldering
T TD
TERMINATION
TAPING*
SURFACE MATERIAL
TD, TE, BK
T: Sn
L: Sn/Pb
*Please see “PACKAGING”
DIMENSIONS (mm)
SIZE
TYPE
L ± 0.2
0805
1206
LT73 2A
LT73 2B
2.0
3.2
103
NOMINAL
RESISTANCE
3 digits
J
RESISTANCE
TOLERANCE
G: ±2%
J: ±5%
W ± 0.2
1.25
1.60
t ± 0.1
0.5
0.6
c
0.4 ± 0.2
0.5 ± 0.3
eEXAMPLES OF TEMPERATURE CHARACTERISTICS
DERATING CURVE
0600
T.C.R.
(ppm/K)
4 digits
d
+ 0.2
- 0.1
0.3
0.4
ataSheRATING
www.DSIZE TYPE
T.C.R.*
150 • 250 • 350 • 450 • 500 ppm/K
600 • 700 • 800 • 900 ppm/K
1000 • 1200 • 1400 ppm/K
1600 • 1800 ppm/K
POWER**
RATING
MAX.
WORKING
VOLTAGE
MAX.
OVERLOAD
VOLTAGE
T.C.R.
TOLERANCE
± 100 ppm/K
± 150 ppm/K
± 15%
RESISTANCE RANGE
E24 • G (±2%)
E24 • J (±5%)
2 k... 24 k
––
1 k... 20 k
1 k... 13 k
510 ... 4.7 k
0805
LT73 2A
2000 • 2200 • 2400 ppm/K
2600 • 2800 ppm/K
0.1 W 50 V 100 V
510 ... 4.7 k
––
om3000 • 3300 • 3600 ppm/K
± 10%
510 ... 3 k
.c3900 ppm/K
4200 ppm/K
100 ... 1 k
t4U4500 ppm/K
51 ... 510
150 • 250 • 350 • 450 • 500 ppm/K
± 100 ppm/K 2 k... 51 k
––
e600 • 700 • 800 • 900 ppm/K
± 150 ppm/K
1 k... 43 k
he1000 • 1200 • 1400 ppm/K
S1600 • 1800 ppm/K
± 15%
1 k... 27 k
1 k... 10 k
ta1206
LT73 2B
2000 • 2200 • 2400 ppm/K
2600 • 2800 ppm/K
0.125 W
75 V
150 V
510 ... 9.1 k
––
a3000 • 3300 • 3600 ppm/K
± 10%
510 ... 6.2 k
.D3900 ppm/K
w4200 ppm/K
100 ... 2 k
w4500 ppm/K
51 ... 510
w* T.C.R. Measuring Temperature: + 25° C / + 75° C
**For resistors operated at an ambient temperature of +70°C or above, the power rating shall be derated in accordance with the above derating curve.
EUROPE GmbH • Kaddenbusch 6 • D-25578 Dägeling / ITZEHOE • PHONE: +49 (0) 48 21 / 89 89-0 • FAX: +49 (0) 48 21/ 89 89 89 • Internet: www.koaeurope.de
Revision: 5. Nov. 2004



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