SS-251 R1
AHA 4/20/05
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.
PAGE 1 OF 4
Linear Positive Tempco Thermistor
Type LT73
■
Anti-leaching nickel barrier terminations
■
SMD thin film resistor with thermo-perceptivity
■
Twenty-five specifiable temperature
■
Marking: black four-digit on bronze body color
characteristics
2. Dimensions
1. General
Part
2A
(0805)
2B
(1206)
Table 1
0.079±0.008
(2.00±0.20)
0.126±0.008
(3.20±0.20)
0.063±0.008
(1.60±0.20)
0.016 .
(0.40 )
0.024±0.004
(0.60±0.10)
0.049±0.008
(1.25±0.20)
0.012 .
(0.30 )
0.020±0.004
(0.50±0.10)
LW d t
Dimensions - inches (mm)
Protective
Coating
Lc
W
t
dInner
Electrode
Solder
Plating
Ni
Plating
Resistive
Film
Ceramic
Substrate
c
KOA SPEER ELECTRONICS, INC.
3. Type Designation
The type designation shall be in the following form:
Size ToleranceResistance
Value
2A: 0805
2B: 1206
G: ±2%
J: ±5%
2 significant
figures +
1 multiplier
2B J101
Packaging
TD: 7" Paper Taping
5,000 pcs/reel
TE: 7" Embossed Plastic
4,000 pcs/reel
TD
Termination
Material
T: Sn
L: SnPb
TLT73
Type
New Type
0.020±0.012
(0.50±0.30)
0.016±0.008
(0.40±0.20)
c
+.008
-.004
+.20
-.10
+.008
-.004
+.20
-.10
T.C.R.
1000
CERTIFIED
CERTIFIED
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.
PAGE 2 OF 4
SS-251 R1
4. Standard Applications
KOA SPEER ELECTRONICS, INC.
5.2 Temperature Characteristics
5. Environmental Applications
5.1 Derating Curve
% Rated Power
100
80
60
40
20
-20 0 20 40 60 80 100 120 140
12570
Ambient Temperature
(°C)
0
-40
Resistance Changing Rate (∆R)
10
8
2
0
-2
-25 0 25 50 75 100 125
Ambient Temperature
(°C)
-8
-50
1000ppm/°C
6
4
-4
-6
500ppm/°C
150ppm/°C
60
50
20
10
0
-25 0 25 50 75 100 125
Ambient Temperature
(°C)
-30
-50
4500ppm/°C
40
30
-10
-20
3300ppm/°C
2400ppm/°C
1600ppm/°C
Resistance Changing Rate (∆R)
Absolute
Maximum
Working
Voltage
Absolute
Maximum
Overload
Voltage
Operating
Temp.
Range
Part
Designation
Resistance
Tolerance
T.C.R.
(ppm/°C)
Maximum**
T.C.R.
Tolerance
Power
Rating
@ 70°C
2KΩ- 24KΩ
1KΩ- 20KΩ
1KΩ- 13KΩ
510Ω- 4.7KΩ
510Ω- 4.7KΩ
510Ω- 3.0KΩ
510Ω- 3.0KΩ
510Ω- 3.0KΩ
100Ω- 1KΩ
51Ω- 510Ω
2KΩ- 51KΩ
G: ±2% 150, 250, 350, 450, 500
±100ppm/°C
±150ppm/°C
±15%
±10%
600, 700, 800, 900
1000, 1200, 1400
1600, 1800
2000, 2200, 2400
2600, 2800
3000, 3300, 3600
3900
4200
4500
J: ±5%
LT732A 100mW
125mW 75V
50V 100V
150VLT732B
1KΩ- 43KΩ
1KΩ- 27KΩ
1KΩ- 10KΩ
510Ω- 9.1KΩ
510Ω- 6.2KΩ
510Ω- 6.2KΩ
510Ω- 6.2KΩ
100Ω- 2KΩ
51Ω- 510Ω
Resistance Range
E-24*
LT732BLT732A
-40°C
to
+125°C
* See Appendix D for available decade values.
** T.C.R. is factory tested from 25°C to 75°C.
SS-251 R1
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.
PAGE 3 OF 4
KOA SPEER ELECTRONICS, INC.
* RCWV = Rated Continuous Working Voltage
Parameter
Thermal Shock MIL-STD-202, Method 107, -55°C to +155°C, 5 cycles±1.0%
Low Temperature Operation MIL-R-55342 π4.7.4, 1 Hour @ -55°C followed by
45 minutes of RCWV*
±1.0%
High Temperature Exposure MIL-R-55342 π4.7.6, 100 hours @ 125°C±1.0%
Short Time Overload MIL-R-55342 π4.7.5, 2.5 x RCWV for 5 seconds±1.0%
±1.0%Resistance to Solder Heat MIL-R-55342 π4.7.7, 260°C for 10 seconds
Moisture Resistance MIL-STD-202, Method 103, 40°C, 90 - 95% RH,
1000 hours
±3.0%
Maximum ∆R Test Method
Life MIL-STD-202, Method 108, 70°C, 1000 hours @ RCWV,
1.5 hr ON, 0.5 hr OFF
±3.0%
Terminal Strength-Bend 2mm min. deflection in either direction for 10 seconds±1.0%
Temperature Cycling 30 minutes @ -55°C, 15 minutes @ +25°C,
30 minutes @ +125°C, 15 minutes @ +25°C, 5 cycles
±1.0%
7. Performance Characteristics
C1C2
3000
3300
3600
3900
4200
4500
0.934 0.00258 2.77 x 10-6
3.17 x 10-6
3.58 x 10-6
4.00 x 10-6
4.44 x 10-6
4.89 x 10-6
0.00377
0.927
0.921
0.915
0.909
0.903
C0
T.C.R.
(x10-6/K)
0.00282
0.00306
0.00330
0.00353
6. Approximate Expression for Resistance-Temperature Characteristics
SS-251 R1
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.
PAGE 4 OF 4
KOA SPEER ELECTRONICS, INC.
8. Dimensions
8.1 Carrier Tape
0.094±0.002
(2.4±0.1)
0.069±0.004
(1.75±0.1)
0.138±0.002
(3.5±0.1)
0.069±0.004
(1.75±0.1)
2B
2A
Tape B E
A
B
T1
FGHDirection of feed
DC
1.5 +0.1
-0 E
T1
T2
K
0.157±0.004
(4.0±0.1)
0.157±0.004
(4.0±0.1)
F
0.079±0.002
(2.0±0.05)
0.079±0.002
(2.0±0.05)
G
Dimensions - inches (mm)
0.157±0.004
(4.0±0.1)
0.157±0.004
(4.0±0.1)
H
0.138±0.002
(3.5±0.05)
0.138±0.002
(3.5±0.05)
D
0.315±0.008
(8.0±0.2)
0.315±0.008
(8.0±0.2)
C
8.2 Reel
7.008±0.079
(178±2.0)
2.362±0.079
(60±2.0)
0.827±0.031
(21±0.8)
7.008±0.079
(178±2.0)
2.362±0.079
(60±2.0)
0.827±0.031
(21±0.8)
TE
TD
Tape BAD
0.079±0.020
(2.0±0.5)
0.079±0.020
(2.0±0.5)
E
Dimensions - inches (mm)
0.512±0.020
(13±0.5)
0.512±0.020
(13±0.5)
C
0.394±0.047
(10.0±1.2)
0.394±0.047
(10.0±1.2)
W
0.065±0.008
(1.65±0.2) ––––
0.079±0.008
(2.0±0.2) ––––
2B
(TD)
2A
(TD)
Tape KA
––––
––––
T2
0.030
(0.75 )
0.035±0.004
(0.90±0.1)
T1
0.075±0.008
(1.9±0.2)
0.047
(1.2 Max.)
2B
(TE)
0.010±0.002
(0.25±0.05)
0.039±0.004
(1.0±0.1)
0.063±0.006
(1.60±0.15)
0.047
(1.2 Max.)
2A
(TE)
0.010±0.002
(0.25±0.05)
0.030
(0.75 )
+0.2
-0
+0.2
-0