LINEAR POSITIVE T-C CHIP THERMISTORS; RECTANGULAR TYPE
KAMAYA OHM
LTC
•
Features
1. Linearity of resistance change in wide temperature range.
2. Suitable for temperature compensation, temperature sensing and
controling, and circuit protection applications.
3. Stability Class : 5%
D
R/R(%)
•
Termal Characteristics
40
30
20
10
0
Temperature Characteristics and Linearity
4,500X10
-6
/
°
C
3,000X10
-6
/
°
C
1,000X10
-6
/
°
C
-
10
-
20
-
30
-
40
•
Dimensions
L
-
40
-
20
0
25
40
60
75
100
Ambient Temperature(
°
C)
Rated resistance and T.C.R. value are marked with 4-digit on the over coating.
e.g. 10E3... 10 : 1,000
´
10
-6
/
°
C
E3 : 1.5k ohm
Please contact KAMAYA for further information.
c
Chip Thermistors
c
H
d
Style
LTC1/10
LTC1/8
Metric
2012
3216
d
Unit : mm
Inch
0805
1206
W
L
2.0 0.15
3.1 0.1
W
1.25
e0.10
0.05
1.55 0.10
H
0.6 0.1
0.6 0.1
c
0.4 0.2
0.45 0.20
d
0.3
e0.2
0.1
0.3
e0.2
0.1
*Unit weight/pc.
5mg
9mg
*Values for reference
•
Part Number Description
Example
Style
LTC
1/8
30
102
J
B
Product Type
Rated Dissipation & Size
Code Rated Dissipation Metric Inch
1/10 0.1W
2012 0805
1/8
0.125W 3216 1206
Rated Resistance
E24 Series
e.g.:102=1k ohm
Tolerance on Rated Resistance
J
5%
* Packaging & Standard Qty. (Min.)
B Bulk (Loose Package) 1,000pcs.
TP Paper Tape
5,000pcs.
*Refer to Tape and Packaging information on pages 38 and 39.
Temperature Coefficient of Resistance
Refer to Ratings Table on next page
e.g.: 30=3,000
´
10
-6
/
°
C
36
KAMAYA OHM
LINEAR POSITIVE T-C CHIP THERMISTORS; RECTANGULAR TYPE
LTC
•
Ratings
Temperature Coefficient of Resistance Resistance Temperature
Tolerance on
Rated Resistance
10
-6
/
°
C
LTC1/10
LTC1/8
Coefficient Tolerance
(0.1W)
(0.125W)
Code
±
100
´
10
-6
/
°
C
500
05
100 ohm
~
5.1k ohm 100 ohm
~
10k ohm
-6
800
08
±
150
´
10 /
°
C
100 ohm
~
5.1k ohm 100 ohm
~
10k ohm
1,000
10
100 ohm
~
5.1k ohm 100 ohm
~
10k ohm
±
15%
1,500
15
100 ohm
~
3.3k ohm 100 ohm
~
4.7k ohm
2,000
20
100 ohm
~
3.3k ohm 100 ohm
~
4.7k ohm
2,400
24
100 ohm
~
1.6k ohm 100 ohm
~
2.2k ohm
2,800
28
100 ohm
~
3.3k ohm 100 ohm
~
3.6k ohm
J(
±
5%)
3,000
30
100 ohm
~
3.3k ohm 100 ohm
~
3.6k ohm
3,300
33
100 ohm
~
3.3k ohm 100 ohm
~
3.6k ohm
±
10%
3,600
36
51 ohm
~
910 ohm
51 ohm
~
1.2k ohm
3,900
39
51 ohm
~
560 ohm
51 ohm
~
910 ohm
4,200
42
33 ohm
~
360 ohm
33 ohm
~
470 ohm
4,500
45
33 ohm
~
100 ohm
33 ohm
~
180 ohm
Note1. Rated Voltage = (Rated Disspation)
´
(Rated Resistance). (d.c. or a.c. r.m.s. Voltage)
Note2. Listed above will be made by order. Please contact KAMAYA for further information.
Rated Resistance Range
(Rated Dissipation at 70
°
C)
Preferred Number
Series for
Resistors
Isolation
Voltage
V
Category Temperature
Range
°
C
E24 Series
100
-
40
~+
125
The derated values of dissipation for temperatures in excess of
70
°
C shall be indicated by the following Curve.
•
Climatic Category
40/125/56
Lower Category Temperature
Upper Category Temperature
Duration of the Damp heat, Steady-State Test
-
40
°
C
+
125
°
C
56 days
Percentage of the rated dissipation(%)
•
Derating Curve
100
Area of recommended operation
0
-
40
70
125
•
Performance Characteristics
Description
JIS C 5201-1 : 1998
Requirements
Clause 4.7
Ambient Temperature(
°
C)
Test Methods
100Va.c.,60s
Chip Thermistors
Voltage proof
Variation of resistance
with temperature
Overload
Solderability
Resistance to soldering
heat
Rapid change of
temperature
Climatic sequence
No breakdown or flashover
R
³
1G ohm
See Ratings Table
Measuring temperature :
+
25
°
C/
+
75
°
C
Clause 4.13 The applied voltage shall be 2.5 times severe, 2s.
Clause 4.17 235
°
C, 2s
Clause 4.18 After immersion into the flux, the immersion into solder
shall be carried out in Solder bath at 260
°
C for 5s.
Clause 4.19 5 cycles between
-
40
°
C and
+
85
°
C.
Clause 4.23 Dry/Damp heat(12
+
12h cycle), first cycle./
Cold/Damp heat(12
+
12h cycle), remaining
cycle./ D.C.Load.
Clause 4.24 40
°
C, 95%R.H., 56 days, test a) of Clause 4. 24. 2. 1
Clause 4.25.1 Rated voltage, 1.5h"ON", 0.5h"OFF",
70
°
C, 1,000h.
Clause 4.25.3 125
°
C, no-load, 1,000h.
Clause 4.32 5N, 10s
Clause 4.33 Amount of bend : 3 mm
D
R
£±
(1%
+
0.05 ohm)
No visible damage, legible marking
In accordance with Clause 4.17.4.5
D
R
£±
(1%
+
0.05 omh)
D
R
£±
(1%
+
0.05 omh) No visible damage
D
R
£±
(5%
+
0.1 omh) No visible damage
D
R
£±
(5%
+
0.1 omh) No visible damage, legible marking
D
R
£±
(5%
+
0.1 omh) No visible damage
D
R
£±
(5%
+
0.1 omh) No visible damage
No visible damage
Damp test, steady state
Endurance at 70
°
C
Endurance at the upper
category temperature
Adhesion
Bend strength of the
face plating
D
R
£±
(1%
+
0.05 omh)
37
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