NTC SMD THERMISTORS
NB 21 (Ni Barrier/100% Sn Termination)
Chip thermistors are high quality and low cost devices especially developed
for surface mounting applications. They are widely used for temperature
compensation but can also achieve temperature control of printed circuits.
A nickel barrier metallization provides outstanding qualities of solderability
and enables this chip to meet the requirements of the most severe soldering
Types
NB 21
IEC SIZE : 0603
processes including lead free soldering with peak temperatures up to 270ºC.
DIMENSIONS:
millimeters (inches)
Terminations
Marking
Climatic category
Operating temperature
Tolerance on Rn (25°C)
Maximum dissipation at 25°C
Thermal dissipation factor
Thermal time constant
Resistance - Temperature characteristics: pages 29 to 33.
Nickel Barrier/100% Tin
On packaging only
40/125/56
-55°C to +150°C
±3%*, ±5%, ±10%, ±20%
0.07 W
1 mW/°C
4s
FEATURES
• Fast thermal response
• Commercial, Industrial and Automotive Applications
• Ni Barrier/100% Sn Termination
•
Suitable for lead free reflow or wave soldering
•
AEC-Q200 based qualification
APPLICATIONS
• LCD compensation
• Battery packs
• Mobile phones
• CD players
• Heating systems
• Air-conditioning systems
• Refrigeration
• Temperature control of Switch Mode Power Supplies
• Compensation of pressure sensors
• Protection of power transistors in various electronic circuits
and more
HOW TO ORDER
NB 21
Type
K0
Material Code
K
(See tables
pages 11)
0103
Resistance
M
Tolerance
H (±3%)*
J (±5%)
K (±10%)
M (±20%)
BB
Suffix: Packaging
NB21 (0603)
10,000 Ω
(See tables page 11)
--: Bulk (5000 pcs/bag)
BB: Cardboard tape (180mm diam. reel, 4000 pcs/reel)
BF: Cardboard tape (1/2 reel, 2000 pcs/reel)
BD: Cardboard tape (330mm diam. reel, 10,000 pcs/reel)
* Optional tolerance, please contact factory
The Important Information/Disclaimer is incorporated in the catalog where these specifications came from or
available online at www.avx.com/disclaimer/ by reference and should be reviewed in full before placing any order.
010617
9
NTC SMD THERMISTORS
NB 21 (Ni Barrier/100% Sn Termination)
TABLE OF VALUES
NB 21
IEC SIZE : 0603
Types
NB 21 KC 0 470
NB 21 KC 0 101
NB 21 KC 0 471
NB 21 MC 0 102
NB 21 J 0 0472
NB 21 J 0 0502
NB 21 J 5 0682
NB 21 J 5 0103
NB 21 K 0 0103
NB 21 K 0 0153
NB 21 L 0 0223
NB 21 M 0 0333
NB 21 M 0 0473
NB 21 M4 0 503
NB 21 L 2 0683
NB 21 N 0 0683
NB 21 N 5 0104
NB 21 P 0 0154
NB 21 Q 0 0334
NB 21 Q 0 0474
Rn at 25°C
(Ω)
47
100
470
1,000
4,700
5,000
6,800
10,000
10,000
15,000
22,000
33,000
47,000
50,000
68,000
68,000
100,000
150,000
330,000
470,000
Material
Code
KC
MC
J
J5
K
L
M
M4
L2
N
N5
P
Q
B (K)
α at 25°C
(%/°C)
– 3.9
– 4.4
– 3.9
– 3.9
– 4.0
– 4.2
– 4.4
– 4.4
– 4.1
– 4.6
– 4.7
– 4.7
– 4.7
3470 ± 5%
3910 ± 3%
3480 ± 3%
3480 ± 3%
3630 ± 3%
3790 ± 3%
3950 ± 3%
3995 ± 3%
3805 ± 3%
4080 ± 3%
4160 ± 3%
4220 ± 3%
4300 ± 3%
10
The Important Information/Disclaimer is incorporated in the catalog where these specifications came from or
available online at www.avx.com/disclaimer/ by reference and should be reviewed in full before placing any order.
070121
NTC SMD THERMISTORS
NB 12 - NB 20 (Ni Barrier/100% Sn Termination)
Chip thermistors are high quality and low cost devices especially developed
for surface mounting applications. They are widely used for temperature
compensation but can also achieve temperature control of printed circuits.
A nickel barrier metallization provides outstanding qualities of solderability
and enables this chip to meet the requirements of the most severe soldering
processes including lead free soldering with peak temperatures up to 270ºC.
Types
NB 12
IEC SIZE : 0805
2 (.079)
±
0.3 (.012)
NB 20
IEC SIZE : 1206
3.2 (.126)
±
0.4 (.016)
1.6 (.063)
±
0.25 (.010)
0.5 (.020)
... 1.5 (.059)
DIMENSIONS:
millimeters (inches)
1.25 (.049)
±
0.2 (.008)
0.5 (.020)
... 1.3 (.051)
0.2 (.008) min
0.2 (.008) min
0.2 (.008) min
0.2 (.008) min
Terminations
Marking
Climatic category
Operating temperature
Tolerance on Rn (25°C)
Maximum dissipation at 25°C
Thermal dissipation factor
Thermal time constant
Resistance - Temperature characteristics: pages 29 to 33.
Nickel Barrier/100% Tin
On packaging only
40/125/56
-55°C to +150°C
±3%*, ±5%, ±10%, ±20%
0.12 W
2 mW/°C
5s
0.24 W
4 mW/°C
7s
FEATURES
• Fast thermal response
• Commercial, Industrial and Automotive Applications
• Ni Barrier/100% Sn Termination
•
Suitable for lead free reflow or wave soldering
•
AEC-Q200 based qualification
APPLICATIONS
• LCD compensation
• Battery packs
• Mobile phones
• CD players
• Heating systems
• Air-conditioning systems
• Refrigeration
• Temperature control of Switch Mode Power Supplies
• Compensation of pressure sensors
• Protection of power transistors in various electronic circuits
and more
HOW TO ORDER
NB 20
Type
K0
Material Code
K
(See tables
pages 13)
0103
Resistance
M
Tolerance
H (±3%)*
J (±5%)
K (±10%)
M (±20%)
BA
Suffix: Packaging
NB12 (0805)
NB20 (1206)
10,000 Ω
(See tables page 13)
* Optional tolerance, please contact factory
– –: Bulk (5000 pcs/bag)
NB20 BA: Plastic tape (180mm diam. reel, 3000 pcs/reel)
BE: Plastic tape (1/2 reel, 1500 pcs/reel)
BC: Plastic tape (330mm diam. reel, 10,000 pcs/reel)
NB12 BB: Cardboard tape (180mm diam. reel, 4000 pcs/reel)
BF: Cardboard tape (1/2 reel, 2000 pcs/reel)
BD: Cardboard tape (330mm diam. reel, 10,000 pcs/reel)
The Important Information/Disclaimer is incorporated in the catalog where these specifications came from or
available online at www.avx.com/disclaimer/ by reference and should be reviewed in full before placing any order.
010617
11
NTC SMD THERMISTORS
NB 12 - NB 20 (Ni Barrier/100% Sn Termination)
TABLE OF VALUES
NB 12
IEC SIZE : 0805
Types
NB 12 KC 0 180
NB 12 KC 0 220
NB 12 KC 0 270
NB 12 KC 0 330
NB 12 KC 0 390
NB 12 KC 0 470
NB 12 KC 0 560
NB 12 KC 0 680
NB 12 KC 0 820
NB 12 KC 0 101
NB 12 MC 0 121
NB 12 MC 0 151
NB 12 MC 0 181
NB 12 MC 0 221
NB 12 MC 0 271
NB 12 MC 0 331
NB 12 MC 0 391
NB 12 MC 0 471
NB 12 MC 0 561
NB 12 MC 0 681
NB 12 MC 0 821
NB 12 MC 0 102
NB 12 MC 0 122
NB 12 MC 0 152
NB 12 MC 0 182
NB 12 MC 0 222
NB 12 MC 0 272
NB 12 MC 0 332
NB 12 J 0 0332
NB 12 J 0 0392
NB 12 J 0 0472
NB 12 J 0 0502
NB 12 J 0 0562
NB 12 K 0 0682
NB 12 K 0 0822
NB 12 K 0 0103
NB 12 K 0 0123
NB 12 L 0 0153
NB 12 L 0 0183
NB 12 M 0 0223
NB 12 M 0 0273
NB 12 M 0 0333
NB 12 M 0 0393
NB 12 N 0 0473
NB 12 N 0 0503
NB 12 N 0 0563
NB 12 L 2 0683
NB 12 N 0 0823
NB 12 P 0 0104
NB 12 P 0 0124
NB 12 P 0 0154
NB 12 P 0 0184
NB 12 Q 0 0224
Rn at 25°C (Ω)
Material Code
18
22
27
33
39
47
56
68
82
100
120
150
180
220
270
330
390
470
560
680
820
1,000
1,200
1,500
1,800
2,200
2,700
3,300
3,300
3,900
4,700
5,000
5,600
6,800
8,200
10,000
12,000
15,000
18,000
22,000
27,000
33,000
39,000
47,000
50,000
56,000
68,000
82,000
100,000
120,000
150,000
180,000
220,000
B (K)
(∆B/B
(1) ±5%
)
(2) ±3%
α
at 25°C
(%/°C)
Types
NB 20 MC 0 221
NB 20 MC 0 102
NB 20 J 0 0472
NB 20 J 0 0502
NB 20 J 0 0562
NB 20 J 0 0682
NB 20 J 5 0822
NB 20 K 0 0103
NB 20 K 0 0123
NB 20 L 0 0153
NB 20 L 0 0183
NB 20 L 0 0223
NB 20 M 0 0273
NB 20 M 0 0333
NB 20 M 0 0393
NB 20 M 0 0473
NB 20 M 4 0503
NB 20 N 0 0563
NB 20 N 0 0683
NB 20 N 0 0823
NB 20 N 5 0104
NB 20 P 0 0124
NB 20 P 0 0154
NB 20 P 0 0184
NB 20 P 0 0224
NB 20 Q 0 0274
NB 20 Q 0 0334
NB 20 Q 0 0394
NB 20 Q 0 0474
NB 20 Q 0 0564
NB 20 R 0 0684
NB 20 R 0 0824
NB 20 R 0 0105
NB 20
IEC SIZE : 1206
Rn at 25°C (Ω)
Material Code
220
1,000
4,700
5,000
5,600
6,800
8,200
10,000
12,000
15,000
18,000
22,000
27,000
33,000
39,000
47,000
50,000
56,000
68,000
82,000
100,000
120,000
150,000
180,000
220,000
270,000
330,000
390,000
470,000
560,000
680,000
820,000
1,000,000
MC
M
C
J
B (K)
(∆B/B
(1) ±5%
)
(2) ±3%
3910 ± 3%
3910 ± 3%
α
at 25°C
(%/°C)
– 4.4
– 4.4
KC
3470 ± 5%
– 3.9
3480 ± 3%
– 3.9
J5
K
L
3480 ± 3%
3630 ± 3%
3790 ± 3%
– 3.9
– 4.0
– 4.2
M
3950 ± 3%
– 4.4
M4
N
N5
3995 ± 3%
4080 ± 3%
4160 ± 3%
– 4.4
– 4.6
– 4.7
MC
3910 ± 3%
– 4.4
P
4220 ± 3%
– 4.7
Q
4300 ± 3%
– 4.7
J
3480 ± 3%
– 3.9
R
4400 ± 3%
– 4.8
K
3630 ± 3%
– 4.0
L
3790 ± 3%
– 4.2
M
3950 ± 3%
– 4.4
N
L2
N
P
Q
4080 ± 3%
3805 ± 3%
4080 ± 3%
4220 ± 3%
4300 ± 3%
– 4.6
– 4.1
– 4.6
– 4.7
-4.7
12
The Important Information/Disclaimer is incorporated in the catalog where these specifications came from or
available online at www.avx.com/disclaimer/ by reference and should be reviewed in full before placing any order.
070121
NTC SMD THERMISTORS
NC 21 (AgPdPt Termination)
Chip thermistors are high quality and low cost devices especially developed
for surface mounting applications. They are widely used for temperature
compensation but can also achieve temperature control of printed circuits.
Its silver-palladium-platinum metallization provides a high degree of
resistance to dewetting of the terminations (typically 260°C / 15 s). Parts
Types
NC 21
IEC SIZE : 0603
are suitable for hybrid assembly process (conductive adhesive), not suitable
for lead free soldering.
DIMENSIONS:
millimeters (inches)
Terminations
Marking
Climatic category
Operating temperature
Tolerance on Rn (25°C)
Maximum dissipation at 25°C
Thermal dissipation factor
Thermal time constant
Resistance - Temperature characteristics: pages 29 to 33.
PdPtAg
On packaging only
40/125/56
-55°C to +150°C
±3%*, ±5%, ±10%, ±20%
0.07 W
1 mW/°C
4s
FEATURES
• Fast thermal response
• Commercial, Industrial and Automotive Applications
• PdPtAg Termination
• Suitable for hybrid assembly (conductive adhesive
•
AEC-Q200 based qualification
APPLICATIONS
• LCD compensation
• Battery packs
• Mobile phones
• CD players
• Heating systems
• Air-conditioning systems
• Refrigeration
• Temperature control of Switch Mode Power Supplies
• Compensation of pressure sensors
• Protection of power transistors in various electronic circuits
and more
HOW TO ORDER
NC 21
Type
K0
Material Code
K
(See tables
pages 11)
0103
Resistance
M
Tolerance
H (±3%)*
J (±5%)
K (±10%)
M (±20%)
BB
Suffix: Packaging
NC21 (0603)
10,000 Ω
(See tables page 11)
--: Bulk (5000 pcs/bag)
BB: Cardboard tape (180mm diam. reel, 4000 pcs/reel)
BF: Cardboard tape (1/2 reel, 2000 pcs/reel)
BD: Cardboard tape (330mm diam. reel, 10,000 pcs/reel)
* Optional tolerance, please contact factory
The Important Information/Disclaimer is incorporated in the catalog where these specifications came from or
available online at www.avx.com/disclaimer/ by reference and should be reviewed in full before placing any order.
081619
13
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