NB14 [KYOCERA AVX]
NTC SMD Thermistors With Nickel Barrier Termination; NTC热敏电阻SMD含镍隔板端子
| 型号： | NB14 |
| 厂家： | 
KYOCERA AVX |
| 描述： | NTC SMD Thermistors With Nickel Barrier Termination |
| 文件： | 总5页 (文件大小：200K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
NTC SMD Thermistors
With Nickel Barrier Termination NB 12 - NB 20
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.
NB 12
IEC SIZE : 0805
NB 20
IEC SIZE : 1206
Types
1
3.2 (.126) 0.4 (.016)
1.6 (.063)
0.25 (.010)
DIMENSIONS:
millimeters (inches)
0.5
...
0.5 (.020)
... 1.5 (.059)
0.
min
0.2 (.008) min
0.2 (.008) min
Terminations
Nickel Barrier
Marking
On packaging only
40/125/56
Climatic category
Operating temperature
Tolerance on Rn (25°C)
Maximum dissipation at 25°C
Thermal dissipation factor
Thermal time constant
Resistance - Temperature characteristics: pages 36 to 40.
-55°C to +150°C
5%, 10%, 20%
0.12 W
0.24 W
4 mW/°C
7s
2 mW/°C
5 s
APPLICATIONS
• LCD compensation
• Battery packs
• Mobile phones
• CD players
• Heating systems
• Air-conditioning systems
• Temperature control of Switch Mode Power Supplies
• Compensation of pressure sensors
• Protection of power transistors in various electronic circuits
HOW TO ORDER
NB 20
K 0
0103
M
BA
Type
Material Code
K
(See tables page 13)
Resistance
10,000 Ω
Tolerance
M ( 20%)
J ( 5%)
Suffix: Packaging
– –: Bulk
BA: Plastic tape
(180mm diam. reel)
K ( 10%)
BE: Plastic tape (1/2 reel)
BC: Plastic tape
(330mm diam. reel)
BB: Cardboard tape
(180mm diam. reel)
BF: Cardboard tape (1/2 reel)
BD: Cardboard tape
(330mm diam. reel)
12
NTC SMD Thermistors
With Nickel Barrier Termination NB 12 – NB 20
TABLE OF VALUES
NB 12
NB 20
IEC SIZE : 1206
IEC SIZE : 0805
B (K)
B (K)
Rn at 25°C
Material
Code
ꢀ at 25°C
(%/°C)
Rn at 25°C
(Ω)
Material
Code
ꢀ at 25°C
(%/°C)
Types
Types
(1) 5%
(2) 3%
(1) 5%
(2) 3%
(Ω)
(
ꢁB/B
)
(
ꢁB/B
)
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
18
22
27
33
39
47
56
68
82
100
NB 20 MC 0 221
NB 20 MC 0 102
220
1,000
MC
MC
3910 3%
3910 3%
– 4.4
– 4.4
NB 20 J 0 0472
NB 20 J 0 0562
NB 20 J 0 0682
4,700
5,600
6,800
J
3480 3%
– 3.9
KC
3470 5%
– 3.9
NB 20 J 5 0822
8,200
J5
K
3480 3%
3630 3%
– 3.9
– 4.0
NB 20 K 0 0103
NB 20 K 0 0123
10,000
12,000
NB 20 L 0 0153
NB 20 L 0 0183
NB 20 L 0 0223
15,000
18,000
22,000
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
120
150
180
220
270
330
390
470
560
L
3790 3%
3950 3%
– 4.2
– 4.4
NB 20 M 0 0273
NB 20 M 0 0333
NB 20 M 0 0393
NB 20 M 0 0473
27,000
33,000
39,000
47,000
M
NB 20 N 0 0563
NB 20 N 0 0683
NB 20 N 0 0823
56,000
68,000
82,000
MC
3910 3%
– 4.4
N
4080 3%
4160 3%
– 4.6
– 4.7
680
820
NB 20 N 5 0104
100,000
N5
1,000
1,200
1,500
1,800
2,200
2,700
3,300
NB 20 P 0 0124
NB 20 P 0 0154
NB 20 P 0 0184
NB 20 P 0 0224
120,000
150,000
180,000
220,000
P
Q
R
4220 3%
4300 3%
4400 3%
– 4.7
– 4.7
– 4.8
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
270,000
330,000
390,000
470,000
560,000
NB 12 J 0 0332
NB 12 J 0 0392
NB 12 J 0 0472
NB 12 J 0 0562
3,300
3,900
4,700
5,600
J
3480 3%
– 3.9
NB 20 R 0 0684
NB 20 R 0 0824
NB 20 R 0 0105
680,000
820,000
1,000,000
NB 12 K 0 0682
NB 12 K 0 0822
NB 12 K 0 0103
6,800
8,200
10,000
K
L
3630 3%
3790 3%
3950 3%
– 4.0
– 4.2
– 4.4
NB 12 L 0 0123
NB 12 L 0 0153
12,000
15,000
NB 12 M 0 0183
NB 12 M 0 0223
NB 12 M 0 0273
NB 12 M 0 0333
18,000
22,000
27,000
33,000
M
NB 12 N 0 0393
NB 12 N 0 0473
NB 12 N 0 0563
39,000
47,000
56,000
N
4080 3%
– 4.6
NB 12 L 2 0683
68,000
L2
3805 3%
4160 3%
– 4.1
– 4.7
NB 12 N 5 0683
NB 12 N 5 0823
68,000
82,000
N5
NB 12 P 0 0104
NB 12 SC 0104
100,000
100,000
P
4220 3%
4500 3%
– 4.7
– 4.8
SC
NB 12 P 0 0124
NB 12 P 0 0154
NB 12 P 0 0184
120,000
150,000
180,000
P
4220 3%
– 4.7
NB 12 Q 0 0224
NB 12 Q 0 0274
220,000
270,000
Q
R
4300 3%
4400 3%
– 4.7
– 4.8
NB 12 R 0 0105 1,000,000
13
Packaging for Automatic Insertion
NTC Chip Thermistors / NC/NB Series
AUTOMATIC INSERTION
+0.2 (.008)
-0
Cover Tape
Max
Hole
ꢂ1 (.039)
Super 8 Plastic Tape Packaging:
A1
3°
The mechanical and dimensional reel characteristics are in
5.5 (.217)
0.2 (.008)
B1
B0
accordance with the IEC publication 286-3.
W
F
Max
3°
D0
P2
E
P0
30µ 5µ
T
K
Direction of
unreeling
Max
Max
3°
3°
A0
Designation
Tape width
Tape thickness
Pitch of the sprocket holes
Diameter of the sprocket holes
Symbol
Value
Tolerance
W
T
P0
D0
8
0.4 max.
4
0.2
0.1
0.1
1.5
-0
Distance
Distance (center to center)
Distance (center to center)
Sizes of the
cavities
E
F
P2
A0
B0
K
1.75
3.5
2
1.5
2.4
0.1
0.05
0.1
0.1
0.1
NC 12 (0805)
NC 20 (1206)
1.4 max.
K 0.1
(size is adjustable)
(K = t1 +0.2)
A0
B0
K
1.95
3.55
1.5 max.
0.1
0.1
K 0.1
(size is adjustable)
(K = t1 +0.2)
+ 0
- 2 (.079)
ø180 (7.09)
+ 0.15 (.006)
- 0
ø 12.75 (.502)
Reel
Upper side
Bottom side
Reel
8.4 (.331)
+0.15 (.006)
according to
ISO/DIS 3639-2
14.4 (.567)
max.
+ 0.5 (.020)
- 0
ø 20.5 (.087)
QUANTITY PER REEL
Type
NC - NB 12
Suffix
BA
Qty Per Reel
4000
BE
2000
NC 20 - NB 20
BA
3000
BE
1500
16
Packaging for Automatic Insertion
NTC Chip Thermistors / NC/NB Series
AUTOMATIC INSERTION
10 PITCHES CUMULATIVE
TOLERANCE ON TAPE
0.20mm (0.008)
P0
8mm Paper Tape Packaging:
The mechanical and dimensional reel characteristics
D0
P2
T
are in accordance with the IEC publication 286-3.
E1
BOTTOM
COVER
TAPE
TOP
COVER
TAPE
F
W
E2
B0
G
T1
T1
A0
P1
CAVITY SIZE
SEE NOTE 1
CENTER LINES
OF CAVITY
User Direction of Feed
Designation
Symbol
Value
Tolerance
Tape width
Tape thickness
Pitch of the sprocket holes
Diameter of the sprocket holes
W
T
8
1.1 max.
4
-.0.1/+0.3
P0
0.1
0.1
1.5
D0
-0/+0.1
1.75
3.5
Distance
E
1
0.1
0.05
0.05
Distance (center to center)
Distance (center to center)
Cover tape thickness
Distance
F
P2
2
T
1
0.10 max.
6.25 min.
E
2
Distance
G
0.75 min.
Component pitch
0805/0603
0402
4
2
0.1
0.1
P1
+ 0
- 2 (.079)
ø180 (7.09)
+ 0.15 (.006)
- 0
ø 12.75 (.502)
Reel
Upper side
Bottom side
Reel
8.4 (.331)
+0.15 (.006)
according to
ISO/DIS 3639-2
14.4 (.567)
max.
+ 0.5 (.020)
- 0
ø 20.5 (.087)
QUANTITY PER REEL
Type
NB - NC 12
NB 21
Suffix
BB
BF
BB
BF
Qty Per Reel
4000
2000
10000
5000
NB 23
17
Surface Mounting Guide
Chip Thermistor – Application Notes
STORAGE
Wave
Good solderability is maintained for at least twelve months,
provided the components are stored in their “as received”
packaging at less than 40°C and 70% RH.
300
Preheat
Natural
Cooling
250
200
150
100
50
T
SOLDERABILITY / LEACHING
Terminations to be well soldered after immersion in a 60/40
tin/lead solder bath at 235 5°C for 2 1 seconds.
230ºC
to
250ºC
Terminations will resist leaching for at least the immersion
times and conditions recommendations shown below.
0
P/N
Termination
Type
AgPdPt
Solder
Tin/Lead
60/40
Solder
Temp ºC
Immersion
Time Seconds
15 max
1 to 2 min
3 sec. max
NC
NB
260
260
5
5
(Preheat chips before soldering)
T/maximum 150°C
Nickel Barrier
60/40
30
1
a) The visual standards used for evaluation of solder joints
will need to be modified as lead free joints are not as bright
as with tin-lead pastes and the fillet may not be as large.
NB products are compatible with a wide range of soldering
conditions consistent with good manufacturing practice for
surface mount components. This includes Pb free reflow
processes with peak temperatures up to 270ºC.
Recommended profiles for reflow and wave soldering are
shown below for reference.
b) Resin color may darken slightly due to the increase in
temperature required for the new pastes.
c) Lead-free solder pastes do not allow the same self align-
ment as lead containing systems. Standard mounting
pads are acceptable, but machine set up may need to be
modified.
NC products are recommended for lead soldering application
or gluing techniques.
Reflow
D2
300
RECOMMENDED
SOLDERING PAD
LAYOUT
Natural
Cooling
Preheat
D1
D3
D4
250
200
150
100
50
Dimensions in
mm (inches)
220ºC
to
D5
250ºC
REFLOW SOLDERING
Case
Size
P/N
D1
D2
D3
0.50
(.020)
0.70
(.028)
1.00
(.039)
2.00
D4
D5
1.70
(.067)
2.30
(.091)
3.00
(.118)
4.00
(.157)
0.60
(.024)
0.80
(.031)
1.00
(.039)
1.00
(.039)
0.60
(.024)
0.80
(0.31)
1.00
(.039)
1.00
(.039)
0.50
(.020)
0.75
(.030)
1.25
(.049)
2.50
(.098)
0
0402
NB23
NB21
NB12
NB20
1min
10 sec. max
1min
0603
0805
1206
(Minimize soldering time)
300
250
200
150
100
(.079)
WAVE SOLDERING
Case
Size
P/N
D1
D2
D3
D4
D5
50
0
3.10
(.122)
4.00
(.157)
5.00
1.20
(.047)
1.50
(.059)
1.50
0.70
(.028)
1.00
(.039)
2.00
1.20
(.047)
1.50
(.059)
1.50
0.75
(.030)
1.25
(.049)
1.60
0603
NB21
NB12
NB20
0
50
100
150
200
250
300
Time (ꢃ)
0805
1206
• Pre-heating: 150°C 15°C ꢀ ꢁ0-ꢂ0ꢃ
• Max. Peak Gradient: 2.5°Cꢀꢃ
• Peak Temperature: 245°C 5°C
• Time at >230°C: 40ꢃ Max.
(.197)
(.059)
(.079)
(.059)
(.063)
18
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