2024年10月7日发(作者：问晴虹)
元器件交易网
FHR FNR
2-T238 4-T238
•
Extremely Low Ohm Rating
•
High Stability
•
Two- and
Four Circuit Technology
•
Low Temperatur Coefficient
•
Low Electrical Noise
•
Low Inductance
SPECIFICATIONS
ELECTRICAL
Resistance Range
Power Rating
:
:
FHR 2/4-T238
FHN 2-T238
100R
60 W*
* with heatsink
1.3 K/W
FNR 2/4-T238
FNN 2-T238
100R
80 W*
Thermal Resistance Rthj-c:
Tolerances:
1.0 K/W
0.5%, 1%, 2%, 5%
(other Tolerances upon request)
0.5
±15 ppm/K (20...60)°C / ±50 ppm/K (-40...130)°C
R < R02: ±20 ppm/K (20...60)°C
FHR/FNR2-T238 as well as FHN/FNN TCR-Shift
depending on the resistor value
2.5 kVDC
< 1 µV/K
40 A45 A
(higher Values upon request)
Stability
Temperatur Coefficient
:
:
Voltage Proof
Thermal EMF
Max. Current
:
:
:
ENVIRONMENTAL
Operative Temperature Range:-40°C...130°C
Metalfoil CuNiMn ( DIN 17471)
Al
2
O
3
AlN
Epoxy
Cu or brass, tinned
2-pin, 4-pin
MECHANICAL
Resistor Material
Substrate
Housing
Connector Material
:
:
:
:
Willow Technologies Ltd. Shawlands Court, Newchapel Road, Lingfield, Surrey, RH7 6BL, UK
Tel. + 44 (0) 1342 835234, Fax. + 44 (0) 1342 834306, e-mail sales@ web
元器件交易网
FHR FNR
2-T238 4-T238
TEMPERATURE COEFFICIENT
(FHR/FNR and FHN/FNN 2-T238)
6000
4000
2000
0
-2000
-4000
-6000
-40
- 50 ppm/K
+ 50 ppm/K
300
250
T
C
R
-
S
h
i
f
t
(
p
p
m
/
K
)
+ 15 ppm/K
200
150
100
50
0
25102050100
Resistance Value (mOhm)
d
R
/
R
(
p
p
m
)
- 15 ppm/K
Limit 2 (3
σ
)
Nominal dR/R
Limit 1 (3
σ
)
-200
20
4060
80100
120
140
Temperature (°C)
DERATING CURVE
120
P
o
w
e
r
(
%
f
r
o
m
n
o
m
i
n
a
l
p
o
w
e
r
)
100
80
60
40
20
0
255
Temperature of the backplate (°C)
DIMENSIONS
* screw terminal M4
Standard: Pin G (width= 6.35) leads curved
Dimensions in mm
Willow Technologies Ltd. Shawlands Court, Newchapel Road, Lingfield, Surrey, RH7 6BL, UK
Tel. + 44 (0) 1342 835234, Fax. + 44 (0) 1342 834306, e-mail sales@ web
元器件交易网
FHR FNR
2-T238 4-T238
FAULTY CONNECTION VARIATIONS
FHR/FNR 2-T238 FHR/FNR 4-T238
1 - U1 / 2 - U2 / 3 - I2 / 4 - I1
Dimensions in mm
HOW TO ORDER
FHR 2-T238 1R1 G 1%FNR 4-T238 R001 F 2%
Willow Technologies Ltd. Shawlands Court, Newchapel Road, Lingfield, Surrey, RH7 6BL, UK
Tel. + 44 (0) 1342 835234, Fax. + 44 (0) 1342 834306, e-mail sales@ web
2024年10月7日发(作者：问晴虹)
元器件交易网
FHR FNR
2-T238 4-T238
•
Extremely Low Ohm Rating
•
High Stability
•
Two- and
Four Circuit Technology
•
Low Temperatur Coefficient
•
Low Electrical Noise
•
Low Inductance
SPECIFICATIONS
ELECTRICAL
Resistance Range
Power Rating
:
:
FHR 2/4-T238
FHN 2-T238
100R
60 W*
* with heatsink
1.3 K/W
FNR 2/4-T238
FNN 2-T238
100R
80 W*
Thermal Resistance Rthj-c:
Tolerances:
1.0 K/W
0.5%, 1%, 2%, 5%
(other Tolerances upon request)
0.5
±15 ppm/K (20...60)°C / ±50 ppm/K (-40...130)°C
R < R02: ±20 ppm/K (20...60)°C
FHR/FNR2-T238 as well as FHN/FNN TCR-Shift
depending on the resistor value
2.5 kVDC
< 1 µV/K
40 A45 A
(higher Values upon request)
Stability
Temperatur Coefficient
:
:
Voltage Proof
Thermal EMF
Max. Current
:
:
:
ENVIRONMENTAL
Operative Temperature Range:-40°C...130°C
Metalfoil CuNiMn ( DIN 17471)
Al
2
O
3
AlN
Epoxy
Cu or brass, tinned
2-pin, 4-pin
MECHANICAL
Resistor Material
Substrate
Housing
Connector Material
:
:
:
:
Willow Technologies Ltd. Shawlands Court, Newchapel Road, Lingfield, Surrey, RH7 6BL, UK
Tel. + 44 (0) 1342 835234, Fax. + 44 (0) 1342 834306, e-mail sales@ web
元器件交易网
FHR FNR
2-T238 4-T238
TEMPERATURE COEFFICIENT
(FHR/FNR and FHN/FNN 2-T238)
6000
4000
2000
0
-2000
-4000
-6000
-40
- 50 ppm/K
+ 50 ppm/K
300
250
T
C
R
-
S
h
i
f
t
(
p
p
m
/
K
)
+ 15 ppm/K
200
150
100
50
0
25102050100
Resistance Value (mOhm)
d
R
/
R
(
p
p
m
)
- 15 ppm/K
Limit 2 (3
σ
)
Nominal dR/R
Limit 1 (3
σ
)
-200
20
4060
80100
120
140
Temperature (°C)
DERATING CURVE
120
P
o
w
e
r
(
%
f
r
o
m
n
o
m
i
n
a
l
p
o
w
e
r
)
100
80
60
40
20
0
255
Temperature of the backplate (°C)
DIMENSIONS
* screw terminal M4
Standard: Pin G (width= 6.35) leads curved
Dimensions in mm
Willow Technologies Ltd. Shawlands Court, Newchapel Road, Lingfield, Surrey, RH7 6BL, UK
Tel. + 44 (0) 1342 835234, Fax. + 44 (0) 1342 834306, e-mail sales@ web
元器件交易网
FHR FNR
2-T238 4-T238
FAULTY CONNECTION VARIATIONS
FHR/FNR 2-T238 FHR/FNR 4-T238
1 - U1 / 2 - U2 / 3 - I2 / 4 - I1
Dimensions in mm
HOW TO ORDER
FHR 2-T238 1R1 G 1%FNR 4-T238 R001 F 2%
Willow Technologies Ltd. Shawlands Court, Newchapel Road, Lingfield, Surrey, RH7 6BL, UK
Tel. + 44 (0) 1342 835234, Fax. + 44 (0) 1342 834306, e-mail sales@ web