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NT31R27BLF

Description
Fixed Resistor, Wire Wound, 4W, 1.27ohm, 457.2V, 0.1% +/-Tol, 50ppm/Cel, Through Hole Mount, AXIAL LEADED, ROHS COMPLIANT
CategoryPassive components    The resistor   
File Size515KB,4 Pages
ManufacturerTT Electronics plc
Websitehttp://www.ttelectronics.com/
Environmental Compliance  
Download Datasheet Parametric View All

NT31R27BLF Overview

Fixed Resistor, Wire Wound, 4W, 1.27ohm, 457.2V, 0.1% +/-Tol, 50ppm/Cel, Through Hole Mount, AXIAL LEADED, ROHS COMPLIANT

NT31R27BLF Parametric

Parameter NameAttribute value
Is it lead-free?Lead free
Is it Rohs certified?conform to
Objectid1323472957
package instructionAxial,
Reach Compliance Codecompliant
ECCN codeEAR99
Other featuresSEMI-PRECISION, NON-INDUCTIVE
structureTubular
JESD-609 codee3
Lead diameter1 mm
Lead length38.1 mm
Installation featuresTHROUGH HOLE MOUNT
Number of terminals2
Maximum operating temperature275 °C
Minimum operating temperature-55 °C
Package diameter6.3 mm
Package length15.8 mm
Package formAxial
method of packingTR
Rated power dissipation(P)4 W
Rated temperature25 °C
resistance1.27 Ω
Resistor typeFIXED RESISTOR
surface mountNO
technologyWIRE WOUND
Temperature Coefficient50 ppm/°C
Terminal surfaceMatte Tin (Sn)
Terminal shapeWIRE
Tolerance0.1%
Operating Voltage457 V
Resistors
Semi-Precision Non-Inductive Power
Wirewound Resistors
NT Series
0.1Ω to 87.5kΩ
0.75 to 14 watts
Tolerance down to ±0.1%
Non-inductive windings
Meets or exceeds all applicable MIL-R-26 ratings
All Pb-free parts comply with EU Directive 2011/65/EU amended by (EU) 2015/863 (RoHS3)
Electrical Data
Type
NT-1/2
NT-1/2-A81
NT-1A-70
NT-1C
NT-1-80
NT-2A
NT-2A-69
NT-2B-79
NT-3
NT-5
NT-5-74
NT-6
NT-6-67
NT-7
NT-7A-55
NT-10A-56
NT-10
NT-10-78
NT-10-68
Similar to
MIL-R-26
Style
-
RW81
RW70
-
RW80
-
RW69
RW79
-
-
RW74
-
RW67
-
RW55
RW56
-
RW78
RW68
Similar to
MIL-
PRF-39007
Style
1
-
RWR81
1
-
-
RWR80
1
-
-
RWR89
1
-
-
RWR74 / 84
1
-
-
-
-
-
-
RWR78
1
-
Power Rating 25°C (W)
U
0.75
1
1
1
2
3
3
3
4
5
5
6
6.5
7
7
14
10
10
11
Value Min
1R0
1R0
0R1
0R1
1R7
0R1
0R1
0R5
0R3
0R8
0R8
1R1
1R1
0R1
0R1
0R17
3R0
3R0
0R1
Value Max
3K0
500R
3K8
2K1
6K0
10K
12K5
12K
15K
30K
30K
46K
46K
57K5
87K5
75K
51K
51K
75K
Maximum
Working
Voltage (V)
55
67
110
110
155
306
245
346
457
541
686
698
773
1017
1183
2049
1975
1732
1817
Note
1
: The RWR is obsolete. The listed parts correspond to the commercial equivalent parts that are manufactured with the same procedures but lack the
burn-in screening that is required by MIL-PRF-39007
General Note
TT Electronics reserves the right to make changes in product specification without notice or liability.
All information is subject to TT Electronics’ own data and is considered accurate at time of going to print.
BI Technologies IRC Welwyn
www.ttelectronics.com/resistors
© TT Electronics plc
06.20
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