NTS3 Series

NTC Thermistor
Temperature Sensing/Compensation
Ф3 mm Lead Type
NTS3 Series
MERITEK
RoHS
E223037
FEATURES
 RoHS compliant
 Halogen-Free (HF) series are available
 Radial lead resin coated
 Operating temperature range: -40°C~+125°C
 Wide resistance range
 Cost effective
 Agency recognition: UL
PART NUMBERING SYSTEM
NTS
3
A
901
F
39D
F
E
Meritek NTC Thermistor Product Series
Body Size: 3 = Ø3mm
Definition of B Value
Code
Type
A
B25/85
B
B25/50
Zero Power Resistance at 25°C (R25)
Code
Value
901
900Ω
203
20KΩ
474
470KΩ
Tolerance of R25
Code
Value
F
±1%
G
±2%
H
±3%
J
±5%
K
±10%
B Value
Code
Value
374
3740
39D
3935
395
3950
39H
3975
520
5200
Tolerance of B value
Code
Value
E
±0.75%
F
±1%
G
±2%
H
±3%
Lead Wire Type
Code
Type
E
Straight lead,
Pitch 2.54mm, Ф0.5mm
P
Straight lead,
Pitch 5mm, Ф0.5mm
L
Wider Kink,
Pitch 2.54mm, Ф0.5mm
Q
Wider Kink,
Pitch 5mm, Ф0.5mm
F
Outer Kink,
Pitch 2.54mm, Ф0.5mm
DIMENSIONS
Lead
Type
P (±1)
Straight
Lead
2.54
5
Wider
Kink
2.54
5
Outer
Kink
2.54
DMAX
4
6.5
4
4
4
TMAX
3
5
3
3
3
HMAX
5
7
6
10
5
H1MAX
-
-
-
-
5.5
IMAX
3
3
-
-
3
L
d
30~40
24.5~34.5
0.5±0.02
(Unit: mm)
Rev. 7
NTC Thermistor
Temperature Sensing/Compensation
Ф3 mm Lead Type
NTS3 Series
MERITEK
RoHS
ELECTRICAL CHARACTERISTICS
Part No.
Zero Power
Resistance
at 25°C
Tolerance
of
R25
B
Value
Tolerance
of
B value
Max. Power
Dissipation
at 25°C
Dissipation
Factor
Thermal
Time
Constant
Operating
Temperature
Range
R25 (KΩ)
(±%)
(K)
(±%)
PMAX(mW)
δ(mW/°C)
τ (Sec.)
TL~TU(°C)
NTS3A901□39D*
0.9
3935
NTS3A102□39D*
1
3935
NTS3A152□39D*
1.5
3935
NTS3A202□39H*
2
3975
NTS3A222□39H*
2.2
3975
NTS3A272□39H*
2.7
3975
NTS3A302□39H*
3
3975
NTS3A332□39H*
3.3
3975
NTS3A472□39H*
4.7
3975
NTS3A482□395*
4.8
3950
NTS3A482□39H*
4.8
3975
NTS3A502□39H*
5
3975
NTS3A682□39H*
6.8
3975
NTS3A103□34D*
10
3435
NTS3A103□374*
10
3740
NTS3A103□39H*
10
3975
NTS3A123□374*
12
NTS3A153□374*
15
NTS3A203□374*
20
NTS3A203□426*
20
NTS3A223□374*
22
25/85
±1%
±2%
±3%
±5%
±2%
±3%
±1%
±2%
±3%
3740
3740
3740
4260
±2%
±3%
33
4090
NTS3A473□409*
47
4090
NTS3A503□39H*
50
3975
NTS3A503□406*
50
4060
NTS3A683□419*
68
4190
NTS3A104□419*
100
4190
NTS3A104□436*
100
4360
NTS3A154□437*
150
4370
NTS3A204□385*
200
3850
NTS3A224□437*
220
4370
NTS3A334□457*
330
4570
NTS3A474□457*
470
4570
NTS3A474□520*
470
5200
±3%
NTS3B202□350*
2
3500
±2%/±3%
NTS3B473□39D*
47
3935
50
NTS3B434□507*
430
≥2.5
≤18
-40~+125
3740
NTS3A333□409*
NTS3B503□440*
150
25/50
4400
5070
NTS3B474□520*
470
5200
Note 1: □ = Tolerance of R25
* = Tolerance of B value
Note 2: Special specifications are available upon request.
±1%
±2%
±3%
±2%
±3%
±1%/±2%/±3%
±2%
±3%
±3%
Rev. 7
NTC Thermistor
Temperature Sensing/Compensation
Ф3 mm Lead Type
NTS3 Series
MERITEK
RoHS
MAX POWER DISSIPATION DERATING CURVE
R-T CHARACTERISTIC CURVE
Rev. 7
NTC Thermistor
Temperature Sensing/Compensation
Ф3 mm Lead Type
NTS3 Series
MERITEK
RoHS
R-T CHARACTERISTIC CURVE (Cont’d)
SOLDERING RECOMMENDATION
 Wave Soldering Profile
 Recommended Reworking Conditions with Soldering Iron
Item
Conditions
Temperature of Soldering Iron-tip
360°C MAX
Soldering Time
3 sec. MAX
Distance from Thermistor
2 mm MIN
Rev. 7
NTC Thermistor
Temperature Sensing/Compensation
Ф3 mm Lead Type
NTS3 Series
MERITEK
RoHS
RELIABILITY
Item
Standard
Test conditions / Methods
Specifications
Gradually apply the specified force and keep the unit fixed for
10±1 sec.
Tensile Strength of
Terminations
IEC 60068-2-21
No Visible Damage
Hold specimen and apply the force specified below to each lead.
Bend the specimen to 90°, and then return to the original
position. Repeat the procedure in the opposite direction.
Bending Strength
of Terminations
IEC 60068-2-21
Solderability
IEC 60068-2-20
245 ± 5°C, 3 ± 0.3 sec.
Resistance to
Soldering Heat
IEC 60068-2-20
260 ± 5°C, 10 ± 1 sec.
No Visible Damage
|ΔR25/R25| ≤ 3%
High Temperature
Storage
IEC 60068-2-2
125 ± 5°C, 1000 ± 24 hrs
No Visible Damage
|ΔR25/R25| ≤ 5%
Damp Heat,
Steady State
IEC 60068-2-3
40 ± 2°C, 90~95% RH, 1000 ± 24 hrs
No Visible Damage
|ΔR25/R25| ≤ 3%
Rapid Change of
Temperature
IEC 60068-2-14
The conditions shown below shall be repeated 5 cycles.
Step
Temperature (°C)
Duration (minutes)
1
-40 ± 5
30 ± 3
2
Room Temperature
5±3
3
125 ± 5
30 ± 3
4
Room Temperature
5±3
No Visible Damage
|ΔR25/R25| ≤ 3%
Max. Power
Dissipation
IEC 60539-1
25 ± 5°C, PMAX, 1000 ± 24 hrs
No Visible Damage
|ΔR25/R25| ≤ 5%
No Visible Damage
At least 95% of
terminal electrode is
covered by new solder
Rev. 7
NTC Thermistor
NTS3 Series
Temperature Sensing/Compensation
Ф3 mm Lead Type
Package
MERITEK
RoHS
 Taping Specification
Straight Lead
Dimension
(Unit:mm
W
ΔP
Δh
L1
D0
T
+1/
-0.5
MAX
MAX
MAX
±0.2
±0.2
3
18
1
2
0.5
4
0.6
9
3
18
1
2
0.5
4
0.6
12
9
3
18
1
2
0.5
4
0.6
0.5
12
9
3
18
1
2
0.5
4
0.6
H1
d
W0
W1
W2
W
ΔP
Δh
L1
D0
T
±0.5
MAX
±0.02
±1
+1/
-0.5
MAX
MAX
MAX
±0.2
±0.2
5.08
16
26
0.5
12
9
3
18
1
2
0.5
4
0.6
3.85
16
26
0.5
12
9
3
18
1
2
0.5
4
0.6
P0
F
P
P1
H
H1
d
W0
W1
±0.3
±1
±1
±0.7
+2/-0
MAX
±0.02
±1
12.7
2.54
12.7
5.08
18
25
0.5
12
9
12.7
5
12.7
3.85
18
25
0.5
12
15
2.54
15
6.23
18
25
0.5
15
5
15
5.00
18
25
P0
F
P
P1
H0
±0.3
±1
±1
±0.7
12.7
2.54
12.7
12.7
5
12.7
W2
+0.75
MAX
/-0.5
P0=12.7
P0=15.0
Wider Kink
Dimension
(Unit:mm
+0.75
MAX
/-0.5
P0=12.7
Rev. 7
NTC Thermistor
NTS3 Series
Temperature Sensing/Compensation
Ф3 mm Lead Type
MERITEK
RoHS
Outer Kink
Dimension
(Unit:mm)
P0=12.7
P0
F
P
P1
H0
H1
d
W0
±0.3
±1
±1
±0.7
±0.5
MAX
±0.02
±1
12.7
2.54
12.7
5.08
16
26
0.5
12
W1
W2
+0.75
MAX
/-0.5
9
3
W
ΔP
Δh
L1
D0
T
+1/
-0.5
MAX
MAX
MAX
±0.2
±0.2
18
1
2
0.5
4
0.6
 Quantity
Packaging
Quantity
Bulk
500pcs / bag
Tape / Reel
2500pcs / reel
Tape / Ammo
2500pcs / box
Rev. 7