FHR2-T2381R1G [TELEDYNE]
High Stability Extremely Low Ohm Rating; 高稳定性极低欧姆评级
| 型号： | FHR2-T2381R1G |
| 厂家： | 
TELEDYNE TECHNOLOGIES INCORPORATED |
| 描述： | High Stability Extremely Low Ohm Rating |
| 文件： | 总3页 (文件大小：103K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
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
FHR 2/4-T238
FHN 2-T238
FNR 2/4-T238
FNN 2-T238
Resistance Range
Power Rating
:
:
R01/R001...100R
R01/R001...100R
60 W*
80 W*
* with heatsink
Thermal Resistance Rthj-c :
1.3 K/W
1.0 K/W
Tolerances
:
0.5%, 1%, 2%, 5%
(other Tolerances upon request)
Stability
:
:
0.5
Temperatur Coefficient
±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
Voltage Proof
Thermal EMF
Max. Current
:
:
:
2.5 kVDC
< 1 µV/K
40 A
45 A
(higher Values upon request)
ENVIRONMENTAL
Operative Temperature Range :
-40°C...130°C
MECHANICAL Resistor Material
:
:
:
:
Metalfoil CuNiMn ( DIN 17471)
Substrate
Al2O3
AlN
Housing
Connector Material
Epoxy
Cu or brass, tinned
2-pin, 4-pin
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@willow.co.uk web www.willow.co.uk
FHR FNR 2-T238 4-T238
TEMPERATURE COEFFICIENT
6000
(FHR/FNR and FHN/FNN 2-T238)
300
+ 50 ppm/K
4000
250
200
150
100
50
- 50 ppm/K
+ 15 ppm/K
- 15 ppm/K
2000
0
-2000
-4000
-6000
Limit 2 (3 )
σ
Nominal dR/R
0
Limit 1 (3 )
σ
2
5
10
20
50 100
Resistance Value (mOhm)
80
100
140
-40
-20
0
40
60
120
20
Temperature (°C)
DERATING CURVE
120
100
80
60
40
20
0
25
50
85
100
115
130
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@willow.co.uk web www.willow.co.uk
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@willow.co.uk web www.willow.co.uk
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