Design and specifications are each subject to change without notice. Ask factory for the current technical specifications before purchase and/or use.
Should a safety concern arise regarding this product, please be sure to contact us immediately.
04
Jan. 2018
Multilayer NTC Thermistors (Automotive Grade)
Ratings
Size code (EIA)
Operating Temperature Range
Rated Maximum Power Dissipation
½1
Dissipation Factor
½2
0(0402)
–40 to 150 °C
66 mW
Approximately 2 mW/°C
100 mW
Approximately 3 mW/°C
1(0603)
½1
Rated Maximum Power Dissipation : The maximum power that can be continuously applied at the rated ambient temperature.
· The maximum value of power, and rated power is same under the condition of ambient temperature 25 °C or less. If the temperature exceeds
25 °C, rated power depends on the decreased power dissipation curve.
· Please see “Operating Power” for details.
½2
Dissipation factor : The constant amount power required to raise the temperature of the Thermistor 1 °C through self heat generation under stable temperatures.
· Dissipation factor is the reference value when mounted on a glass epoxy board (1.6 mmT).
Part Number List
●
0402(EIA)
Part Number
ERTJ0EG202GM
ERTJ0EG202HM
ERTJ0EG202JM
ERTJ0EG103□M
ERTJ0EP473□M
ERTJ0ER104□M
ERTJ0ET104□M
ERTJ0EV104□M
ERTJ0EV474□M
Nominal Resistance
at 25 °C
2 kΩ±2 %
2 kΩ±3 %
2 kΩ±5 %
10 kΩ
47 kΩ
100 kΩ
100 kΩ
100 kΩ
470 kΩ
B Value
at 25/50(K)
(3380 K)
(3380 K)
(3380 K)
3380 K±1 %
4050 K±1 %
4250 K±1 %
4485 K±1 %
4700 K±1 %
4700 K±1 %
B Value
at 25/85(K)
3410 K±0.5 %
3410 K±0.5 %
3410 K±0.5 %
3435 K±1 %
(4100 K)
(4300 K)
(4550 K)
(4750 K)
(4750 K)
●
0603(EIA)
Nominal Resistance
at 25 °C
ERTJ1VK102□M
1 kΩ
ERTJ1VG103□M
10 kΩ
ERTJ1VP473□M
47 kΩ
ERTJ1VR104□M
100 kΩ
ERTJ1VV104□M
100 kΩ
ERTJ1VT224□M
220 kΩ
Part Number
B Value
at 25/50(K)
3650 K±1 %
3380 K±1 %
4100 K±1 %
4200 K±1 %
4700 K±1 %
4485 K±1 %
B Value
at 25/85(K)
(3690 K)
3435 K±1 %
(4150 K)
(4250 K)
(4750 K)
(4550 K)
□
: Resistance Tolerance Code (F : ±1%, G : ±2%, H : ±3%, J : ±5%)
□
: Resistance Tolerance Code (F : ±1%, G : ±2%, H : ±3%, J : ±5%)
●
Temperature
B
B
25/85
T(°C)
-40
-35
-30
-25
-20
-15
-10
-5
0
5
10
15
20
25
30
35
40
45
50
55
60
65
70
75
80
85
90
95
100
105
110
115
120
125
130
135
140
145
150
25/50
and Resistance value (the resistance value at 25 °C is set to 1)/ Reference values
ERTJ1VK to
3650 K
(3690 K)
25.77
19.10
14.29
10.79
8.221
6.312
4.883
3.808
2.993
2.372
1.892
1.520
1.229
1
0.8185
0.6738
0.5576
0.4639
0.3879
0.3258
0.2749
0.2330
0.1984
0.1696
0.1456
0.1255
0.1087
0.09440
0.08229
0.07195
0.06311
0.05552
0.04899
0.04336
0.03849
0.03426
0.03058
0.02736
0.02454
ERTJ0EP to
4050 K
(4100 K)
33.10
24.03
17.63
13.06
9.761
7.362
5.599
4.291
3.312
2.574
2.013
1.584
1.255
1
0.8016
0.6461
0.5235
0.4266
0.3496
0.2881
0.2386
0.1985
0.1659
0.1393
0.1174
0.09937
0.08442
0.07200
0.06166
0.05306
0.04587
0.03979
0.03460
0.03013
0.02629
0.02298
0.02013
0.01767
0.01553
ERTJ1VP to
4100 K
(4150 K)
34.56
24.99
18.26
13.48
10.04
7.546
5.720
4.369
3.362
2.604
2.030
1.593
1.258
1
0.7994
0.6426
0.5194
0.4222
0.3451
0.2837
0.2344
0.1946
0.1623
0.1359
0.1143
0.09658
0.08189
0.06969
0.05957
0.05117
0.04415
0.03823
0.03319
0.02886
0.02513
0.02193
0.01918
0.01680
0.01476
ERTJ0ER to
4250 K
(4300 K)
42.40
29.96
21.42
15.50
11.33
8.370
6.244
4.699
3.565
2.725
2.098
1.627
1.271
1
0.7923
0.6318
0.5069
0.4090
0.3320
0.2709
0.2222
0.1831
0.1516
0.1261
0.1054
0.08843
0.07457
0.06316
0.05371
0.04585
0.03929
0.03378
0.02913
0.02519
0.02184
0.01898
0.01654
0.01445
0.01265
ERTJ1VR to
4200 K
(4250 K)
40.49
28.81
20.72
15.07
11.06
8.198
6.129
4.622
3.515
2.694
2.080
1.618
1.267
1
0.7944
0.6350
0.5108
0.4132
0.3363
0.2752
0.2263
0.1871
0.1554
0.1297
0.1087
0.09153
0.07738
0.06567
0.05596
0.04786
0.04108
0.03539
0.03059
0.02652
0.02307
0.02013
0.01762
0.01546
0.01361
ERTJ□□T to ERTJ□□V to
4485 K
4700 K
(4550 K)
(4750 K)
46.47
32.92
23.55
17.00
12.38
9.091
6.729
5.019
3.772
2.854
2.173
1.666
1.286
1
0.7829
0.6168
0.4888
0.3896
0.3123
0.2516
0.2037
0.1658
0.1357
0.1117
0.09236
0.07675
0.06404
0.05366
0.04518
0.03825
0.03255
0.02781
0.02382
0.02043
0.01755
0.01511
0.01304
0.01127
0.00976
59.76
41.10
28.61
20.14
14.33
10.31
7.482
5.481
4.050
3.015
2.262
1.710
1.303
1
0.7734
0.6023
0.4721
0.3723
0.2954
0.2356
0.1889
0.1523
0.1236
0.1009
0.08284
0.06834
0.05662
0.04712
0.03939
0.03308
0.02791
0.02364
0.02009
0.01712
0.01464
0.01256
0.01080
0.00931
0.00806
ERTJ□□G to
(3380 K)
3435 K
20.52
15.48
11.79
9.069
7.037
5.507
4.344
3.453
2.764
2.227
1.806
1.474
1.211
1
0.8309
0.6941
0.5828
0.4916
0.4165
0.3543
0.3027
0.2595
0.2233
0.1929
0.1672
0.1451
0.1261
0.1097
0.09563
0.08357
0.07317
0.06421
0.05650
0.04986
0.04413
0.03916
0.03483
0.03105
0.02774
B
25/50
=
k
n (R
25
/R
50
)
1/298.15–1/323.15
B
25/85
=
k
n (R
25
/R
85
)
1/298.15–1/358.15
R
25
=Resistance at 25.0±0.1 °C
R
50
=Resistance at 50.0±0.1 °C
R
85
=Resistance at 85.0±0.1 °C
Jan. 2018
Design and specifications are each subject to change without notice. Ask factory for the current technical specifications before purchase and/or use.
Should a safety concern arise regarding this product, please be sure to contact us immediately.
04
Multilayer NTC Thermistors (Automotive Grade)
Specification and Test Method
Item
Specification
Rated Zero-power Within the specified tolerance.
Resistance (R
25
)
B Value
Shown in each Individual Specification.
½
Individual Specification shall specify B
25/50
or
B
25/85
.
Test Method
The value is measured at a power that the influence
of self-heat generation can be negligible (0.1mW or
less), at the rated ambient temperature of 25.0±0.1°C.
The Zero-power resistances; R
1
and R
2
, shall be
measured respectively at T
1
(deg.C) and T
2
(deg.C).
The B value is calculated by the following equation.
B
T
1
/T
2
=
k
n (R
1
)–
k
n (R
2
)
1/(T
1
+273.15)–1/(T
2
+273.15)
T
1
25.0 ±0.1 °C
25.0 ±0.1 °C
T
2
50.0 ±0.1 °C
85.0 ±0.1 °C
B
25/50
B
25/85
Adhesion
The terminal electrode shall be free from peeling Applied force :
or signs of peeling.
Size 0402, 0603 : 5 N
Duration : 10 s
Size : 0402
1.0
0.5R
0.5
Test Sample
Board
Size : 0603
1.0
Test
Sample
Unit : mm
Bending Strength There shall be no cracks and other mechanical
damage.
R
25
change : within ±5 %
Bending distance : 2 mm
Bending speed : 1 mm/s
Bending
distance
Unit : mm
20
R340
45±2
45±2
Resistance to
Vibration
There shall be no cracks and other mechanical
damage.
R
25
change
:
B Value change :
within ±2 %
within ±1 %
Solder samples on a testing substrate, then
apply vibration to them.
Acceleration
:5G
Vibrational frequency : 10 to 2000 Hz
Sweep time
: 20 minutes
12 cycles in three directions,
which are perpendicular to each other
Solder samples on a testing substrate, then apply
impacts to them.
Pulse waveform
: Semisinusoidal wave, 11 ms
Impact acceleration : 50 G
Impact direction
: X-X', Y-Y', Z-Z' In 6 directions,
three times each
Resistance to
Impact
There shall be no cracks and other mechanical
damage.
R
25
change
:
B Value change :
within ±2 %
within ±1 %
Design and specifications are each subject to change without notice. Ask factory for the current technical specifications before purchase and/or use.
Should a safety concern arise regarding this product, please be sure to contact us immediately.
04
Jan. 2018
Multilayer NTC Thermistors (Automotive Grade)
Specification and Test Method
Item
Resistance to
Soldering Heat
Specification
There shall be no cracks and other mechanical
damage.
R
25
change
:
B Value change :
within ±2 %
within ±1 %
Test Method
Soldering bath method
Solder temperature : 260 ±5 °C, 270 ±5 °C
Dipping period
: 3.0 ±0.5 s, 10.0 ±0.5 s
Preheat condition :
Step
1
2
Temp (°C)
80 to 100
150 to 200
Period (s)
120 to 180
120 to 180
Solderability
More than 95 % of the soldered area of both
terminal electrodes shall be covered with fresh
solder.
R
25
change
:
B Value change :
within ±2 %
within ±1 %
Soldering bath method
Solder temperature : 230 ±5 °C
Dipping period
: 4 ±1 s
Solder
: Sn-3.0Ag-0.5Cu
Conditions of one cycle
Step 1 : –55±3 °C, 30±3 min.
Step 2 : Room temp., 3 min. max.
Step 3 : 125±5 °C, 30±3 min.
Step 4 : Room temp., 3 min. max.
Number of cycles: 2000 cycles
Temperature
: 85 ±2 °C
Relative humidity : 85 ±5 %
Test period
: 2000 +48/0 h
Temperature
: 85 ±2 °C
Relative humidity : 85 ±5 %
Applied power : 10 mW(D.C.)
Test period
: 2000 +48/0 h
Temperature
Test period
Temperature
Test period
Temperature
Test period
: –40 ±3 °C
: 2000 +48/0 h
: 125 ±3 °C
: 2000 +48/0 h
: 150 ±3 °C
: 1000 +48/0 h
Temperature
Cycling
Humidity
R
25
change
:
B Value change :
R
25
change
:
B Value change :
within ±2 %
within ±1 %
within ±2 %
within ±1 %
Biased Humidity
Low Temperature
Exposure
R
25
change
:
B Value change :
within ±2 %
within ±1 %
within ±2 %
within ±1 %
within ±3 %
within ±2 %
High Temperature R
25
change
:
Exposure 1
B Value change :
High Temperature R
25
change
:
Exposure 2
B Value change :
Design and specifications are each subject to change without notice. Ask factory for the current technical specifications before purchase and/or use.
Should a safety concern arise regarding this product, please be sure to contact us immediately.
04
Jan. 2018
Multilayer NTC Thermistors (Automotive Grade)
Dimensions in mm (not to scale)
L
W
(Unit : mm)
Size Code (EIA)
T
L
1.0±0.1
1.60±0.15
W
0.50±0.05
0.8±0.1
T
0.50±0.05
0.8±0.1
L
1
, L
2
0.25±0.15
0.3±0.2
0 (0402)
1 (0603)
L
1
L
2
Packaging Methods
●
Standard
Packing Quantities
Kind of Taping
Punched Carrier Taping
Pitch Quantity
(mm) (pcs./reel)
2
4
10,000
4,000
●
Reel
for Taping
W
1
E
C
D
W
2
A
B
Size
Code
0 (0402)
1 (0603)
Thickness
(mm)
0.5
0.8
●
Pitch
t
1
2 mm (Punched Carrier Taping) : Size 0402
Feeding hole
fD
0
Chip pocket
Symbol
E
F
W
A
B
fA
fB
+1.0
0
C
D
E
W
1
9.0
+1.0
0
W
2
11.4
±1.0
Dim.
(mm)
0
180
–3
60.0
13.0
±0.5
21.0
±0.8
2.0
±0.5
t
2
Chip component
P
1
P
2
P
0
Tape running direction
●
Leader
Symbol
A
B
W
F
E
P
1
P
2
P
0
fD
0
0
t
1
t
2
1.0
Part and Taped End
Leader part
Top cover tape
Dim. 0.62 1.12 8.0 3.50 1.75 2.00 2.00 4.0 1.5
+0.1
0.7
(mm)
±0.05 ±0.05 ±0.2 ±0.05 ±0.10 ±0.05 ±0.05 ±0.1
max. max.
●
Pitch
t
1
4 mm (Punched Carrier Taping) : Size 0603
Feeding hole
fD
0
A
B
Chip pocket
100 min.
Vacant position
400 min.
F
W
E
Taped end
t
2
Symbol
(mm)
Chip component
P
1
P
2
P
0
Tape running direction
160 min.
Vacant position
(Unit : mm)
A
±0.1
B
±0.1
W
F
E
P
1
P
2
P
0
fD
0
0
t
1
t
2
1.4
Dim. 1.0
1.8 8.0 3.50 1.75 4.0 2.00 4.0 1.5
+0.1
1.1
±0.2 ±0.05 ±0.10 ±0.1 ±0.05 ±0.1
max. max.
Minimum Quantity / Packing Unit
Part Number (Size)
ERTJ0
(0402)
ERTJ1
(0603)
Minimum Quantity/ Packing
Unit
10,000
4,000
Packing Quantity
in Carton
200,000
80,000
Carton
L×W×H (mm)
250×200×200
250×200×200
Part No., quantity and country of origin are designated on outer packages in English.
Design and specifications are each subject to change without notice. Ask factory for the current technical specifications before purchase and/or use.
Should a safety concern arise regarding this product, please be sure to contact us immediately.
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