features
•High stability and excellent linearity
•Extensive choice of T.C.R. ranges
•Miniature size
•Marking: Blue-gray body color with color-coded bands
204 KOA Speer Electronics, Inc. • Bolivar Driv e • 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.
LT
linear positive miniature tempco thermistor
dimensions and construction
Ceramic Core
d
D
Marking Resistive
Film
Insulation Coating
Trimming Line
End
Cap Lead
Wire
L l
C
L (ref.)
LT1/6S .126
(3.2) .146
(3.7) .067±.008
(1.7±0.2) .018±.002
(0.45±0.05) 1.18±.118
(30.0±3.0)
.024±.002
(0.6±0.05)
.091±.012
(2.3±0.3)
.280
(7.1)
.248
(6.3)
LT1/4S
Type C (max.) D d l
Dimensions inches (mm)
For further information on packaging,
please refer to Appendix C.
ordering information
LT
Type
Old Part #
New Part #
LT
Type
1/4S
1/6S
1/6S
Power
Rating
3300
T.C.R.
(ppm/˚C)
C:SnCu
L: SnPb
L
Termination
Material
1/6S
Power Rating
T26, T52
T26
Taping and
Forming
102
Nominal
Resistance
A: Ammo
R: Reel
A
Packaging
J
Tolerance
2 significant
figures + 1
multiplier
“R” indicates
decimal on
value <10Ω
102
Nominal
Resistance
T26
Packaging
G:±2%
J: ±5%
J
Tolerance
150 - 4,500
3300
T.C.R.
(ppm/˚C)
leaded
resistors
1218 Reader's Spreads 6/20/02 9:03 PM Page 203
205
KOA Speer Electronics, Inc. • Bolivar Driv e • 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.
LT
linear positive miniature tempco thermistor
Resistance
Range
E-24
(LT1/4S)
T.C.R.
(ppm/°C)*
Rated
Ambient
Temperature
Operating
Temperature
Range
T.C.R.
Tolerance
Resistance
Range
E-24
(LT1/6S)
applications and ratings
Resistance
Tolerance
-40°C
to
+125°C
+70°C
150
250
350
450
500
600
700
800
900
1000
1200
1400
1600
1800
2000
2200
2400
2600
2800
3000
3300
3600
3900
4200
4500
4700
±100 ppm/°C 100Ω- 51KΩ100Ω- 110KΩ
100Ω- 43KΩ100Ω- 82KΩ
100Ω- 27KΩ100Ω- 51KΩ
100Ω- 10KΩ100Ω- 27KΩ
100Ω- 9.1KΩ100Ω- 22KΩJ: ±5%
100Ω- 6.2KΩ100Ω- 18KΩ
10Ω- 5.1KΩ10Ω- 7.5KΩ
0.51Ω- 5.1KΩ0.51Ω- 7.5KΩ
0.51Ω- 3.3KΩ0.51Ω- 6.2KΩ
0.51Ω- 1.0KΩ0.51Ω- 1.3KΩ
0.51Ω- 330KΩ0.51Ω- 680Ω
0.51Ω- 100Ω0.51Ω- 330Ω
G: ±2%
±150 ppm/°C
±15%
±10%
* T.C.R. measur ing temperature: +25°C to +75°C
* RCWV = Rated Continuous Working Voltage
Performance Characteristics
Parameter
Shor t Time Overload 2.5 x RCWV* for 5 seconds
±(1.0% + 0.05Ω)
Resistance to Solder Heat MIL-STD-202, Method 210
Load Life MIL-STD-202, Method 108, 70°C,
1000 hours
±3.0%
Temperature Cycling -55°C, 25°C, 125°C, 5 cycles
±(1.0% + 0.05Ω)
±(0.5% + 0.05Ω)
Low/High Vibration MIL-STD-202, Method 210
Solvent Resistance
Requirement Test Method
Dielectric Withstanding Voltage
Terminal Strength MIL-STD-202, Method 211
—
Minimum Dielectric
Withstanding Voltage
LT1/6S: 300V
LT1/4S: 500V
Derating Curve
environmental applications
% Rated Power
100
80
60
40
20
-20 0 20 40 60 80 100 120 140
12570
Ambient T emperature
(°C)
0
-40
leaded
resistors
PMS 300 neg. Black neg.
1218 Reader's Spreads 6/20/02 9:03 PM Page 204
