NTC Thermistor
Model No.
HNT-GR
HNT-
Glass sealed radial lead thermistor
◆Features ： High reliability、High response、Small size
◆Applications ： Air conditioner、Water heater, Microwave oven、
Automotive
ＨＮＴ
①
-
ＧＲ
②
１
③
-
１０３
④
Ｆ
⑤
Ｂ
⑥
-
Ａ
⑦
３９５０
⑧
Ｆ
⑨
d[mm]
0.3
0.2
1
2
3
Part number
HNT-GR1
HNT-GR2
Parts name
Element
Glass
Lead wire
A
A[mm]
2.3±0.2
1.3±0.2
B[mm]
L[mm]
3.2±0.5
70±5
2.8±0.4
70±5
SPEC・Materials
NTC thermistor
Glass
Dumet wire
1
2
3
d
B
L
designations＞
＜Type designations＞
①Series code
NTC Thermistor
②Type code
Glass sealed radial lead
③Size
④Resistance
3-digit
ex.103→10×10
3
Ω
⑤Resistance tolerance
F ： ±1%
G ： ±2%
H ： ±3%
J ： ±5%
⑥Packing
B ：
Rating＞
＜Maximum Rating＞
◆Rated wattage
HNT-GR1
HNT-GR2
◆Operating temperature range
-40℃½+200℃
Characteristics＞
＜Electrical Characteristics＞
◆Resistance R25
2kΩ-200kΩ
※Refer to product list
◆B-constant
B25/50
3200K – 4500K
※Refer to product list
◆Dissipation constant
HNT-GR1
0.9½1.1 mW/℃
HNT-GR2
0.6½0.8 mW/℃
※In still air at 25℃
◆Thermal time constant
HNT-GR1
HNT-GR2
157 mW at 25℃
105 mW at 25℃
Bulk
⑦Definition of B-constant
A ： B25/50
B ： B25/85
C ： B0/100
D ： B0/25
X ： Individual designation
⑧B-constant
4-digit
ex.3950→3950K
12.0s APR
6.0s APR
※In still air
⑨B-constant tolerance
F ： ±1%
G ： ±2%
H ： ±3%
J ： ±5
Made in China
2019/06/24
HOKURIKU
※Details are subject to change without notice.
1
NTC Thermistor
Model No.
HNT-GA
HNT-
Glass sealed axial lead thermistor
◆Features : High reliability、High accuracy
◆Applications ： Home appliances、Industrial equipment
Measuring equipment、Automotive
ＨＮＴ
①
-
ＧＡ
②
１
③
-
１０３
④
Ｆ
⑤
Ｂ
⑥
-
Ａ
⑦
３９５０
⑧
Ｆ
⑨
d[mm]
0.5
0.4
1
A
2
3
d
B
L
Part number
HNT-GA1
HNT-GA2
Parts name
1 Element
2 Glass
3 Lead wire
A[mm]
1.9±0.2
1.3±0.2
B[mm]
L[mm]
3.6±0.4
60±3
2.2±0.3
60±3
SPEC・Materials
NTC thermistor
Glass
Ni-plated CP wire
designations＞
＜Type designations＞
①Series code
NTC Thermistor
②Type code
Glass sealed axial lead
③Size
④Resistance
3-digit
Rating＞
＜Maximum Rating＞
◆Rated wattage
HNT-GA1
HNT-GA2
◆Operating temperature range
-40℃½+200℃
Characteristics＞
＜Electrical Characteristics＞
◆Resistance R25
350 mW at 25℃
175 mW at 25℃
ex. 103→10×10
3
Ω
2kΩ-200kΩ
※Refer to product list
◆B-constant
B25/50
3200K – 4500K
※Refer to product list
◆Dissipation constant
HNT-GA1
2.0½2.5 mW/℃
HNT-GA2
1.0½1.5 mW/℃
※In still air at 25℃
◆Thermal time constant
HNT-GA1
HNT-GA2
⑤Resistance tolerance
F ： ±1%
G ： ±2%
H ： ±3%
J ： ±5%
⑥Packing
B ： Bulk
⑦Definition of B-constant
A ： B25/50
B ： B25/85
C ： B0/100
D ： B0/25
X ： Individual designation
⑧B-constant
4-digit
ex.3950→3950K
15.0s APR
8.0s APR
※In still air
⑨B-constant tolerance
F ： ±1%
G ： ±2%
H ： ±3%
J ： ±5%
Made in China
2019/06/24
HOKURIKU
※Details are subject to change without notice.
2
NTC Thermistor
Model No.
HNT-EC
HNT-
Epoxy resin coated radial lead thermistor
◆Features : High accuracy、Moisture proof (Boiling resistance)
◆ Applications ： Air conditioner、Refrigerator、Heated toilet seat
Thermometer、Battery pack
ＨＮＴ
①
-
ＥＣ
②
１
③
-
１０３
④
Ｆ
⑤
Ｂ
⑥
-
Ａ
⑦
３９５０
⑧
Ｆ
⑨
1
2
3
d
A
B
L
200mW at 25℃
◆Operating temperature range
-40℃½+125℃
Characteristics＞
＜Electrical Characteristics＞
◆Resistance R25
2kΩ-200kΩ
※Refer to product list
◆B-constant
B25/50
3200K – 4500K
※Refer to product list
◆Dissipation constant
Bulk
2.0mW/℃
※In still air at 25℃
◆Thermal time constant
3.0s MAX
※In liquid
Made in China
P
Part number
HNT-EC1
Parts name
1
2
3
Element
A[mm]
3MAX
B[mm]
6MAX
L[mm]
10±1
d[mm]
0.4
P[mm]
2±0.3
SPEC・Materials
NTC thermistor
Epoxy resin
Tin coated annealed copper wire
Rating＞
＜ Maximum Rating＞
◆Rated wattage
Coating material
Lead wire
designations＞
＜Type designations＞
①Series code
NTC Thermistor
②Type code
Epoxy resin coated radial lead
③Size
④Resistance(R25)
3-digit
ex. 103→10×10
3
Ω
⑤Resistance tolerance
F ： ±1%
G ： ±2%
H ： ±3%
J ： ±5%
⑥Packing
B ：
⑦Definition of B-constant
A ： B25/50
B ： B25/85
C ： B0/100
D ： B0/25
X ： Individual designation
⑧B-constant
4-digit
ex.3950→3950K
⑨B-constant tolerance
F ： ±1%
G ： ±2%
H ： ±3%
J ： ±5%
2019/06/24
HOKURIKU
※Details are subject to change without notice.
3
NTC Thermistor
Product list
B25/50 B25/85
Part number
[K]
[K]
2.252k
HNT-GR
HNT-GA
HNT-EC
HNT-GR
HNT-GA
HNT-EC
HNT-GR
HNT-GA
HNT-EC
HNT-GR
HNT-GA
HNT-EC
HNT-GR
HNT-GA
HNT-EC
HNT-GR
HNT-GA
HNT-EC
HNT-GR
HNT-GA
HNT-EC
3270
(3315)
●
3400
(3435)
●
3470
(3510)
●
●
●
●
●
●
●
4100
(4150)
R25[Ω]
3k
5k 10k 15k 20k 30k 50k 100k 200k
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
3950
(4020)
4200
(4250)
●
●
●
4400
(4450)
B25/85 is a representative value.
Please inquire for characteristics other than the above.
2019/06/24
HOKURIKU
※Details are subject to change without notice.
4
NTC Thermistor
Reliability test
◆HNT-GR、HNT-GA
HNT-GR、HNT-
Item
1
2
3
High temp. storage test
Low temp. storage test
Humidity storage test
Conditions
200℃±5℃、1000hr±24hr
-40℃±3℃、1000hr±24hr
65℃±3℃、90½95%RH、1000hr±24hr
Tb
SPEC
Rate of resistance
change
|⊿R|<3%
Rate of B-constant
change
|⊿B|<3%
4
Temperature cycle test
Ta：-40℃±3℃(air)
To：20℃±5℃(air)
Tb：150℃±3℃(air)
t1=30min、t2<60s
100cycles
To
Ta
t1
t2
t1
t2
1 cycle
◆HNT-EC
HNT-
1
2
3
Item
High temp. storage test
Low temp. storage test
Humidity current test
Conditions
125℃±3℃、1000hr±24h
-40℃±3℃、1000hr±24hr
40℃±2℃、90½95%RH、1000hr±24hr
DC0.1mA
Tb
SPEC
Rate of resistance
change
|⊿R|<1%
Rate of B-constant
change
|⊿B|<1%
4
Temp. cycle test
Ta：-40℃±3℃(air)
To：20℃±5℃(air)
Tb：125℃±3℃(air)
t1=5min、t2<60s
1000cycles
To
Ta
t1
t2
t1
t2
1 cycle
Boiling test
100℃、1000hr±24hr、DV5V
Rate of resistance
change
|⊿R|<3%
Rate of B-constant
Change
|⊿B|<3%
Metal Case
Epoxy
Lead wire
Boiling test is a test of the sensor structure as follows.
5
HNT-EC
Epoxy
2019/06/24
HOKURIKU
※Details are subject to change without notice.
5
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