ULW5-47RJT075 TT Electronics/Welwyn, ULW5-47RJT075 Datasheet

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ULW5-47RJT075

Manufacturer Part Number
ULW5-47RJT075
Description
RES 47 OHM 5W 5% AXIAL
Manufacturer
TT Electronics/Welwyn
Series
ULWr
Datasheet

Specifications of ULW5-47RJT075

Resistance (ohms)
47
Number Of Terminations
2
Package / Case
Axial
Power (watts)
5W
Composition
Wirewound
Features
Flame Proof, Fusible
Temperature Coefficient
±200ppm/°C
Tolerance
±5%
Size / Dimension
0.283" Dia x 0.650" L (7.20mm x 16.50mm)
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Height
-
Other names
985-1017-2
UL Recognised
Wirewound Resistors
ULW Series
·
·
·
·
·
·
* UL file number E234469.
Electrical Data
Note - no limiting element voltage applies; maximum continuous voltage is √(P.R)
Physical Data
Construction
A high purity ceramic rod is assembled with interference fit end caps to which are welded the terminations. The surge withstanding resistive element
is wound on the rod and welded to the caps. Flameproof fusible cement coating is applied prior to marking with indelible ink. The components are
then leadformed if required and packed.
Marking
ULW2 & ULW3 resistors are marked with five colour bands. The first four indicate value and tolerance in conformance with IEC62. The fifth yellow
band denotes defined fusibility. ULW4 and ULW5 resistors are legend marked with type, value and tolerance.
General Note
Welwyn Components reserves the right to make changes in product specification without notice or liability.
All information is subject to Welwyn’s own data and is considered accurate at time of going to print.
© Welwyn Components Limited
Telephone: +44 (0)1670 822181 · Facsimile: +44 (0)1670 829465 · Email: info@welwyn-tt.com · Website: www.welwyn-tt.com
Power rating at 25°C
5 second overload rating at 25ºC
Inrush / surge performance
Resistance range
TCR
Isolation voltage
Resistance tolerance
UL recognised standard values
Thermal impedance
Ambient temperature range
ULW2
ULW3
ULW4
ULW5
Type
UL1412 recognised fusible resistor *
Failsafe mains fusing at 120 / 240Vrms
Inrush and surge withstanding
UL94-V0 flameproof coating
SMD leadform option available
RoHS compliant
L Max
14.5
16.5
9.0
13
D Max
3.8
5.8
5.6
7.2
Dimensions (mm) and weight (g)
f min
19.8
24.6
22.8
23.6
· Bedlington, Northumberland NE22 7AA, UK
d nom
0.8
ppm/°C
°C/watt
centres
mount
watts
ohms
watts
ohms
12.7
20.3
18.9
22.9
volts
PCB
°C
%
22, 33, 47, 68, 100
radius
bend
Min
1.2
22 to 100
ULW2
250
110
10
2
Nom
Wt.
0.5
1.1
1.0
1.8
10, 22, 27, 33, 47,
10 to 100
See Pulse Performance graphs
68, 100
ULW3
350
d
15
82
3
-55 to +155
D
±200
5
Welwyn Components
ULW4
20
10
10
62
L
4
500
4R7, 10, 22, 27,
33, 47, 68, 100
f
4R7-100
TT electronics plc
ULW5
A subsidiary of
25
54
5
01. 11

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ULW5-47RJT075 Summary of contents

Page 1

... ULW2 & ULW3 resistors are marked with five colour bands. The first four indicate value and tolerance in conformance with IEC62. The fifth yellow band denotes defined fusibility. ULW4 and ULW5 resistors are legend marked with type, value and tolerance. General Note Welwyn Components reserves the right to make changes in product specification without notice or liability. All information is subject to Welwyn’ ...

Page 2

... Telephone: +44 (0)1670 822181 · Facsimile: +44 (0)1670 829465 · Email: info@welwyn-tt.com · Website: www.welwyn-tt.com Maximum* ΔR% 5 ΔR% 5 ΔR% 5 ΔR% 5 ΔR% 5 ΔR% 5 ΔR% 5 ΔR% 5 ΔR% 5 Body Temperature Rise 300 250 200 ULW2 150 100 50 0 200 250 300 0 Welwyn Components Typical 55/200/ ULW3 ULW4 ULW5 Power (W) 01. 11 ...

Page 3

... Note the voltage shown is the nett voltage across the resistor. The generator open circuit voltage will be higher due to the generator's internal impedance. 6 ULW5 5 4 ULW3 & ULW2 100 ULW2 Fusing Characteristic Initial Power (W) Welwyn Components ULW5 ULW3 & 4 ULW2 100 Value (ohms 01. 11 ...

Page 4

... Limited Short Circuit testing should be performed in the complete appliance. © Welwyn Components Limited · Bedlington, Northumberland NE22 7AA, UK Telephone: +44 (0)1670 822181 · Facsimile: +44 (0)1670 829465 · Email: info@welwyn-tt.com · Website: www.welwyn-tt.com 100 Initial Power (W) ULW5 Fusing Characteristic 100 120 140 160 Initial Power (W) Welwyn Components 110 120 180 200 01 ...

Page 5

... The standard packaging for ULW is taped. The critical dimensions are shown in Figure 1. The component wires will not protrude beyond the outside edge of the tapes. Taped product is then packed into ammo boxes for ULW2, 3 and 4 or onto reels for ULW5. Alternative packaging is available by request ...

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