WP4S-47RJA2 Welwyn Components, WP4S-47RJA2 Datasheet

RESISTORS, 47R 4 WATT 5%

WP4S-47RJA2

Manufacturer Part Number
WP4S-47RJA2
Description
RESISTORS, 47R 4 WATT 5%
Manufacturer
Welwyn Components
Series
WP4Sr
Datasheet

Specifications of WP4S-47RJA2

Resistors Element Type
WIREWOUND CERAMIC
Resistance
47R
Power Rating
4W
Tolerance, +
5%
Tolerance, -
5%
Temp, Op. Max
155(DEGREE C)
Temp, Op. Min
-55(DEGREE C)
Temp. Coeff,
ROHS COMPLIANT
Construction
Electrical Data
Physical Data
A high purity ceramic substrate is assembled with interference fit end caps to which are welded the terminations. The resistive
element is wound on the substrate and welded to the caps. Flameproof silicone cement coating is applied prior to marking with
indelible ink. The components are then leadformed if required and packed.
Compact Flameproof Power
Wirewound Resistors
WP-S Series
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
Dimensions (mm) & Weight (g)
Power rating at 25°C
5s overload rating at 25ºC
Short pulse performance
Resistance range
Limiting element voltage
TCR
Isolation Voltage
Resistance Tolerance
Standard Values
Thermal Impedance
Ambient temperature range
WP25S
Small size for power rating
Enhanced pulse handling capability
Flameproof protection
SMD Z-form available
RoHS compliant with Pb-free terminations
WP1S
WP2S
WP3S
WP4S
WP5S
WP7S
Type
L max
12.5
14.5
16.5
25.0
6.2
9.0
13
D max
2.8
3.6
4.5
5.2
5.6
7.0
8.8
ppm/°C
°C/watt
· Bedlington, Northumberland NE22 7AA, UK
watts
watts
ohms
volts
volts
%
°C
21.20
19.80
17.80
24.55
22.75
23.55
28.30
f min
R068 to 430R
WP1S
d nom
140
0.8
50
0.6
1
5
centres
mount
10.20
12.70
18.40
20.30
18.90
22.86
31.40
R05 to 900R
PCB
<20R: 5
WP2S
250
110
10
50
2
bend
radius
Min
0.6
1.2
≥20R: 1, 2, 5
See Pulse Performance graphs
R05 to 900R R01 to 2K2
WP25S
12.5
2.5
75
90
<1R: 350
nom
0.22
0.50
0.50
1.10
1.00
1.75
4.40
Wt.
E24 preferred
-55 to +155
WP3S
100
350
15
82
3
≥1R: 200
d
≥R10: 1, 2, 5
R01 to 10K
<R10: 5
WP4S
Welwyn Components
100
D
20
62
4
500
L
R015 to 6K8 R15 to 10K
<20R: 5
WP5S
150
25
54
5
≥20R: 1, 2, 5
TT electronics plc
Issue D · 04.06
A subsidiary of
f
WP7S
150
700
35
35
7

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WP4S-47RJA2 Summary of contents

Page 1

... Welwyn Components WP3S WP4S WP5S WP7S R01 to 10K R015 to 6K8 R15 to 10K 100 100 150 150 ≥1R: 200 350 500 700 ≥20R < ...

Page 2

... WP1S, WP2S, WP25S and WP3S resistors R10 and above are marked with four colour bands in conformance with IEC62. Values below R10 are marked with three bands (two digits indicating value in milliohms, and tolerance); there is no multiplier band. WP4S, WP5S and WP7S resistors are legend marked with type reference, resistance value and tolerance. Solvent Resistance The body protection and marking are resistant to all normal industrial cleaning solvents suitable for printed circuits ...

Page 3

... Electrical Data. 3. WP-S resistors can also be supplied with radial, goalpost or lancet pre-formed leads. WP2S, WP3S, WP4S and WP5S are also available in an SMD format with Z formed leads and packed in blister tape. Consult factory for details. ...

Page 4

... A25 WP2S 2500/box A15 Ammo WP25S 1500/box A1 WP3S 1000/box A2 WP4S 2000/box T07 Tape WP5S 750/reel WP7S 700/reel © 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 – ...

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