The LNS series is manganese oxide based NTC thermistor,
which shows non-linear resistance-temperature behavior.
Multilayered structure has as high reliability as monoblock type,
even without protective glass coating, since the active electrode
and sensor layer is buried inside the ceramic body.
FEATURES
Multilayer structure allows diverse resistance value in the
same B constant
Multilayer structure allows lower resistance at high B
constant.
Solder plating with Ni barrier gives high reliability for both flow
and reflow soldering.
Unified shape and tightly controlled dimension is fit to high
mounting speed.
APPLICATIONS
Temperature compensation for crystal oscillator (TCXO)
Temperature compensation for Personal computer
Temperature detection for CPU and memory device
Temperature detection for battery pack
Temperature compensation for contrast of LCD
ORDERING INFORMATION
LNS V 16 G 103 J P
Series
B constant
Z
K
Y
W
A
V
U
T
3250K
3435K
3670K
3890K
3970K
4150K
4550K
4750K
Package
P
E
B
Paper taping
Emboss taping
Bulk
Resistance deviation range
F
H
J
K
¡
¡
¡
¡
1£¥
3£¥
5£¥
10£¥
Chip size (mm)
10
16
20
1.0 x 0.5 x 0.5 (inches 0402)
1.6 x 0.8 x 0.8 (inches 0603)
2.0 x 1.2 x 0.8 (inches 0805)
Resistance at 25
¡
101
102
103
10
¡¿10
1
= 100¥
10
¡¿10
2
= 1 K¥
10
¡¿10
3
= 10 K¥
B constant deviation range
F
G
H
¡
1%
¡
2%
¡
3%
www.lattron.com
7
NTC Thermistor SMD
SPECIFICATIONS
1005(0402) size
B constant
25/85
LNSZ10 _ 220_ _
LNSZ10 _ 300_ _
LNSZ10 _ 400_ _
LNSZ10 _ 450_ _
LNSZ10 _ 500_ _
LNSZ10 _ 600_ _
LNSZ10 _ 101_ _
LNSK10 _ 502_ _
LNSK10 _ 103_ _
LNSY10 _ 102_ _
LNSY10 _ 222_ _
LNSY10 _ 472_ _
LNSY10 _ 502_ _
LNSY10 _ 682_ _
LNSY10 _ 103_ _
LNSW10 _ 103_ _
LNSW10 _ 223_ _
LNSW10 _ 443_ _
LNSV10 _ 202_ _
LNSV10 _ 222_ _
LNSV10 _ 272_ _
LNSV10 _ 332_ _
LNSV10 _ 103_ _
LNSV10 _ 333_ _
LNSV10 _ 473_ _
LNSV10 _ 503_ _
LNSV10 _ 583_ _
LNSV10 _ 683_ _
LNSV10 _ 853_ _
LNSV10 _ 104_ _
LNSV10 _ 124_ _
LNSV10 _ 154_ _
LNSV10 _ 334_ _
LNSV10 _ 474_ _
LNSU10 _ 333_ _
LNSU10 _ 683_ _
LNSU10 _ 104_ _
LNSU10 _ 224_ _
LNSU10 _ 105_ _
LNST10 _ 474_ _
LNSU10 _ 504_ _
LNSU10 _ 205_ _
22§
30§
40§
45§
50§
60§
100§
5§
10§
1§
2.2§
4.7§
5§
6.8§
10§
10§
22§
44§
2§
2.2§
2.7§
3.3§
10§
33§
47§
50§
58§
68§
85§
100§
120§
150§
330§
470§
33§
68§
100§
220§
1§
470§
500§
2
§
3250K
3250K
3250K
3250K
3250K
3250K
3250K
3435K
3435K
3670K
3670K
3670K
3670K
3670K
3670K
3890K
3890K
3890K
4150K
4150K
4150K
4150K
4150K
4150K
4150K
4150K
4150K
4150K
4150K
4150K
4150K
4150K
4150K
4150K
4550K
4550K
4550K
4550K
4750K
4750K
4750K
4750K
Part Number
Resistance @25
o
C
Dissipation
Constant
Maximum
Power Rating
Operating Temp.
-40~85
o
C
-40~125
o
C
1
mW/
o
C
100mW
-40~85
o
C
-40~125
o
C
If you want additional spec., please contact to lattron. Fax : 82-42-935-2034 Email : lattron@lattron.com
Resistance @ 25
o
C
The zero-power resistance at the standard temperature of 25
o
C. The zero-power resistance means the value of DC resistance of a thermistor measured at a specified temperature,
with electric load being kept so small that there is no noticeable change in the measured resistance by the influence of the applied electric load.
Bconstant 25 / 85
B = ln(R
0
/R
1
) / (1/T
0
- 1/T
1
) Without special note, B constant is calculated from the resistance values at 25
o
C and 85
o
C [B25/85], which is the most common.
¥
‰
Dissipation constant (¥)
Dissipation factor is defined as the ratio at a specified ambient temperature of a change in power dissipation in a thermistor to the resultant body temperature change.
¡⁄
= P/( T
1
- 25
o
C ) mW/
o
C
¥
¡⁄P
: dissipated power
¡⁄
: thermistor temp, 85¡ 0.1
o
C
T1
Maximum power rating P
This is the maximum handling power, keeping its temperature not exceeding the allowed maximum temperature for operation.
¡⁄P
max
=
¥(T
max
- T
a
)
¡⁄¥:dissipation
constant
¡⁄T
a
:25
o
C
¡⁄
max
:125
o
C
T
Thermal Time Constant
The time necessary for an unloaded thermistor to vary its temperature by 63.2% of the difference between its initial and final temperatures. Initial temperature is 85¡ 0.1
o
C and final
temperature is 47.1¡ 0.1
o
C.
8
www.lattron.com
NTC Thermistor SMD
1608(0603) size
B constant
25/85
LNSZ16 _ 220_ _
LNSZ16 _ 300_ _
LNSZ16 _ 400_ _
LNSZ16 _ 450_ _
LNSZ16 _ 500_ _
LNSZ16 _ 600_ _
LNSZ16 _ 101_ _
LNSK16 _ 502_ _
LNSK16 _ 103_ _
LNSY16 _ 102_ _
LNSY16 _ 222_ _
LNSY16 _ 472_ _
LNSY16 _ 502_ _
LNSY16 _ 682_ _
LNSY16 _ 103_ _
LNSW16 _ 103_ _
LNSW16 _ 223_ _
LNSW16 _ 443_ _
LNSV16 _ 202_ _
LNSV16 _ 222_ _
LNSV16 _ 272_ _
LNSV16 _ 332_ _
LNSV16 _ 103_ _
LNSV16 _ 333_ _
LNSV16 _ 473_ _
LNSV16 _ 503_ _
LNSV16 _ 583_ _
LNSV16 _ 683_ _
LNSV16 _ 853_ _
LNSV16 _ 104_ _
LNSV16 _ 124_ _
LNSV16 _ 154_ _
LNSV16 _ 334_ _
LNSV16 _ 474_ _
LNSU16 _ 683_ _
LNSU16 _ 104_ _
LNSU16 _ 224_ _
LNSU16 _ 105_ _
LNST16 _ 474_ _
LNSU16 _ 504_ _
LNSU16 _ 205_ _
22§
30§
40§
45§
50§
60§
100§
5§
10§
1§
2.2§
4.7§
5§
6.8§
10§
10§
22§
44§
2§
2.2§
2.7§
3.3§
10§
33§
47§
50§
58§
68§
85§
100§
120§
150§
330§
470§
68§
100§
220§
1§
470
§
500§
2
§
3250K
3250K
3250K
3250K
3250K
3250K
3250K
3435K
3435K
3670K
3670K
3670K
3670K
3670K
3670K
3890K
3890K
3890K
4150K
4150K
4150K
4150K
4150K
4150K
4150K
4150K
4150K
4150K
4150K
4150K
4150K
4150K
4150K
4150K
4550K
4550K
4550K
4750K
4750K
4750K
4750K
Part Number
Resistance @25
o
C
Dissipation
Constant
Maximum
Power Rating
Operating Temp.
-40~85
o
C
-40~125
o
C
3
mW/
o
C
300mW
-40~85
o
C
-40~125
o
C
If you want additional spec., please contact to lattron. Fax : 82-42-935-2034 Email : lattron@lattron.com
Resistance @ 25
o
C
The zero-power resistance at the standard temperature of 25
o
C. The zero-power resistance means the value of DC resistance of a thermistor measured at a specified temperature,
with electric load being kept so small that there is no noticeable change in the measured resistance by the influence of the applied electric load.
Bconstant 25 / 85
B = ln(R
0
/R
1
) / (1/T
0
- 1/T
1
) Without special note, B constant is calculated from the resistance values at 25
o
C and 85
o
C [B25/85], which is the most common.
¥
‰
Dissipation constant (¥)
Dissipation factor is defined as the ratio at a specified ambient temperature of a change in power dissipation in a thermistor to the resultant body temperature change.
¡⁄¥
= P/( T
1
- 25
o
C ) mW/
o
C
¡⁄P
: dissipated power
¡⁄T1
: thermistor temp, 85¡ 0.1
o
C
Maximum power rating P
This is the maximum handling power, keeping its temperature not exceeding the allowed maximum temperature for operation.
¡⁄
max
=
¥(T
max
- T
a
)
P
¡⁄¥:dissipation
constant
¡⁄T
a
:25
o
C
¡⁄
max
:125
o
C
T
Thermal Time Constant
The time necessary for an unloaded thermistor to vary its temperature by 63.2% of the difference between its initial and final temperatures. Initial temperature is 85¡ 0.1
o
C and final
temperature is 47.1¡ 0.1
o
C.
www.lattron.com
9
NTC Thermistor SMD
2012(0805) size
B constant
25/85
3435K
3435K
3670K
3670K
3670K
3670K
3670K
3670K
3890K
3890K
3890K
4150K
4150K
4150K
4150K
4150K
4150K
4150K
4150K
4150K
4150K
4150K
4150K
4150K
4150K
4150K
4150K
4550K
4550K
4750K
4750K
3.5mW/
o
C
Part Number
LNSK20 _ 502_ _
LNSK20 _ 103_ _
LNSY20 _ 102_ _
LNSY20 _ 222_ _
LNSY20 _ 472_ _
LNSY20 _ 502_ _
LNSY20 _ 682_ _
LNSY20 _ 103_ _
LNSW20 _ 103_ _
LNSW20 _ 223_ _
LNSW20 _ 443_ _
LNSV20 _ 202_ _
LNSV20 _ 222_ _
LNSV20 _ 272_ _
LNSV20 _ 332_ _
LNSV20 _ 103_ _
LNSV20 _ 333_ _
LNSV20 _ 473_ _
LNSV20 _ 503_ _
LNSV20 _ 583_ _
LNSV20 _ 683_ _
LNSV20 _ 853_ _
LNSV20 _ 104_ _
LNSV20 _ 124_ _
LNSV20 _ 154_ _
LNSV20 _ 334_ _
LNSV20 _ 474_ _
LNSU20 _ 683_ _
LNSU20 _ 104_ _
LNSU20 _ 105_ _
LNST20 _ 474_ _
Resistance @25
o
C
5§
10§
1§
2.2§
4.7§
5§
6.8§
10§
10§
22§
44§
2§
2.2§
2.7§
3.3§
10§
33§
47§
50§
58§
68§
85§
100§
120§
150§
330§
470§
68§
100§
1§
470§
Dissipation
Constant
Maximum
Operating Temp.
Power Rating
-40~125
o
C
-40~85
o
C
350mW
-40~125
o
C
If you want additional spec., please contact to lattron. Fax : 82-42-935-2034 Email : lattron@lattron.com
Resistance @ 25
o
C
The zero-power resistance at the standard temperature of 25
o
C. The zero-power resistance means the value of DC resistance of a thermistor measured at a specified temperature,
with electric load being kept so small that there is no noticeable change in the measured resistance by the influence of the applied electric load.
Bconstant 25 / 85
B = ln(R
0
/R
1
) / (1/T
0
- 1/T
1
) Without special note, B constant is calculated from the resistance values at 25
o
C and 85
o
C [B25/85], which is the most common.
¥
‰
Dissipation constant (¥)
Dissipation factor is defined as the ratio at a specified ambient temperature of a change in power dissipation in a thermistor to the resultant body temperature change.
¡⁄
= P/( T
1
- 25
o
C ) mW/
o
C
¥
¡⁄P
: dissipated power
¡⁄
: thermistor temp, 85¡ 0.1
o
C
T1
Maximum power rating P
This is the maximum handling power, keeping its temperature not exceeding the allowed maximum temperature for operation.
¡⁄P
max
=
¥(T
max
- T
a
)
¡⁄¥:dissipation
constant
¡⁄T
a
:25
o
C
¡⁄
max
:125
o
C
T
Thermal Time Constant
The time necessary for an unloaded thermistor to vary its temperature by 63.2% of the difference between its initial and final temperatures. Initial temperature is 85¡ 0.1
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