Resistors
Wirewound Power
Radial Terminal Resistor
WPRT Series
ꢀ 10ꢀtoꢀ50ꢀwaꢁs
ꢀ Quickꢀconnectꢀorꢀsolderedꢀtagꢀterminals
ꢀ Opꢂonalꢀmounꢂngꢀbracket
ꢀ Highꢀoverloadꢀcapability
ꢀ AEC-Q200ꢀqualified
ꢀ Flameproofꢀcase
ꢀ RoHSꢀcompliant
AllꢀpartsꢀareꢀPb-freeꢀandꢀcomplyꢀwithꢀEUꢀDirecꢂveꢀ2011/65/EUꢀamendedꢀbyꢀ(EU)ꢀ2015/863ꢀ(RoHS3)
ElectricalꢀData
WPRT10
WPRT15
15
WPRT20
20
WPRT30
30
WPRT40
40
WPRT50
Powerꢀraꢂngꢀatꢀ25°Cꢀ
Powerꢀraꢂngꢀatꢀ70°C
5sꢀoverloadꢀraꢂngꢀatꢀ25°C
Resistanceꢀrangeꢀꢀꢀꢀꢀꢀꢀ
Thermalꢀimpedanceꢀ
Isolaꢂonꢀvoltage
waꢁs
waꢁs
waꢁs
o h m s ꢀ
°C/waꢁ
volts
10
50
10
50
12.3
16.4
24.6
32.8
41
250
75
100
150
200
1R0 - 820R
18
1R0 – 1K0
14
2R0 – 1K2
12
3R0 – 1K5
8.5
6R0 – 1K5
7
6R0 – 1K5
7
2000
3000
4000
TCR
ppm/°C
%
<20R:ꢀ±400,ꢀꢀꢀ≥20R:ꢀ±350ꢀ
ResistanceꢀTolerance
StandardꢀValues
±5
E24
Ambientꢀtemperatureꢀrange
°C
-55 to +155
Note:ꢀNoꢀLEVꢀapplies.ꢀMaximumꢀvoltageꢀ(dcꢀorꢀrms)ꢀisꢀ√(PꢀxꢀR)ꢀ
PhysicalꢀData
Figureꢀ1ꢀ-ꢀsolderedꢀtagꢀ(S)ꢀandꢀtheꢀsameꢀwithꢀbracketꢀ(SB)
Figureꢀ2-solderedꢀtagꢀwithꢀruggedꢀbracketꢀ(SR)ꢀ
AllꢀdimensionsꢀinꢀmmꢀandꢀweightsꢀinꢀgꢀMaximumꢀbowꢀonꢀlengthꢀandꢀwidthꢀ<1.00mm
Weight (nom.)
SB SR
L
W
±1.0
P
ØJ
C
ØB
K
±1.0
F
±0.5
G
E
M1
M2
±0.1
H
±1.0
N
±0.2
S
±0.3
R
±0.3
Type
D
±1.5
±1.0 ±0.2 ±0.4 ±0.2
±0.5 ±0.5 ±0.1
S
WPRT10 48
10
9.0±1.0
32 4.1 5.5 2.5 3.0
8.7
8.0
5.0 12 4.2 4.2
6.0 12 4.2 4.2
18
21
21
32
32
32
23
23
23
39
39
39
60
60
74
88
72
72
11 16.5 18.5
WPRT15 48 12.5 11.5±1.0 32 4.1 6.2 2.5 3.0
18
24
34
80
94
94
27.5
37.5
WPRT20 63 12.5 13.5±1.0 44 4.1 6.2 2.5 3.0 10.0 6.0 12 4.2 4.2
86.5 27
105 66
WPRT30 75
WPRT40 90
WPRT50 90
19
19
19
19±1.0
19±0.6
19±0.6
54 4.1 7.6 3.2 4.0
70 4.1 7.6 3.2 4.0
70 4.1 7.6 3.2 4.0
9.5
9.5
9.5
7.5 18 4.2 4.2
7.5 18 5.2 4.5
7.5 18 5.2 4.5
87.5
104 122 81
104 122 81
105.5
105.5
General Note
BI Technologies IRC Welwyn
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.
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11.20