Semi-Precision Power
Resistors
Wirewound Resistors
Semi-Precision Power
PPW Series
Wirewound Resistors
•
Ideal for pulse and surge
PPW Series
applications
•
2 watts to 15 watts
Ideal for pulse and surge applications
•
Resistance to 0R1 ohms to 5K ohms
2 watts to 15 watts
•
±3%, ±2% or ±1% tolerance
Resistance to 0R1 ohms to 5K ohms
±3%, ±2% or ±1% tolerance
•
±20 ppm/°C TCR
±20 ppm/°C TCR
Welwyn Components
OBSOLETE
All Pb-free parts comply with EU Directive 2011/65/EU amended by (EU) 2015/863 (RoHS3)
Electrical Data
PPW-2
Power rating at 25°C
Resistance range
watts
2
PPW-3
3
PPW-5
5
PPW-7
7
PPW-10
10
PPW-15
15
0R1 to 5K
ohms 0R1 to 1K6 0R1 to 1K6 0R1 to 1K6 0R1 to 2K5 0R1 to 5K
Physical Data
Dimensions (mm)
Type
PPW-2
PPW-3
PPW-5
PPW-7
PPW-10
PPW-15
L ± 0.8
17.05
22.3
22.3
35.3
47.7
47.7
W ± 0.8
6.99
7.87
9.65
9.65
9.65
12.7
H ± 0.8
6.99
7.87
8.89
8.89
8.89
12.7
d dia.
0.8
0.8
0.8
0.8
0.8
0.8
E ± 0.8
8.134
9.65
10.4
11.9
11.9
12.7
Standard Configuration
d
25.4
min
L
3.17 max.
W
H
Alternate Configuration
E
Temperature Rise
Hot Spot Temperature (°C)
250
200
150
100
50
0
0
20
40
60
80
100
120
PPW-15
PPW-10
PPW-7
PPW-5
PPW-3
PPW-2
Power Derating
25 40
85
100
80
PPW-2
PPW-3, 5, 7, 10
% Rated Load
60
150
40
20
0
0
PPW-15
Max. Recommended
Ambient Operating
Temperature 150°C
% Rated Load
50
100
150
200
Ambient Temperature (°C)
250
Lighting Surge Capabilities for PPW-2
Resistive range
1R to 9R9
10R to 29R9
30R to 99R
100R to 1K6
ohms
10 x 1000*
250V
500V
600V
1000V
10 x 360*
650V
850V
1000V
1500V
*10 microseconds – Maximum rise time to peak voltage. 360 or 1000 microseconds - minimum decay time to one half peak.
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
06.18
Semi-Precision Power
Wirewound Resistors
PPW Series
OBSOLETE
Ordering Procedure
This product has two valid part numbers:
European (Welwyn) Part Number: PPW5-15RFI
(PPW5, 15 ohms ±1%, Pb-free)
P
P
1
1
Type
2
Configuration
W
5
2
-
1
5
3
3
Value
R
F
4
I
5
4
F = ±1%
G = ±2%
H = ±3%
5
I = Standard packing & Pb-free
Bulk pack
Tolerance Packing & Termination Finish
PPW2 Omit for Standard R = ohms
K = kilohms
PPW3
A = Alternate
PPW5
PPW7
PPW10
PPW15
USA (IRC) Part Number: PPW515R0FLF
(PPW5, 15 ohms ±1%, Pb-free)
P
P
1
1
Type
2
Configuration
W
5
2
1
5
3
3
Value
R
0
F
4
L
5
4
F = ±1%
G = ±2%
H = ±3%
5
Omit for SnPb
LF = Pb-free
Bulk pack
F
Tolerance Packing & Termination Finish
PPW2 Omit for Standard 3 digits + multiplier
PPW3
A = Alternate
R = ohms for values
<100 ohms
PPW5
PPW7
PPW10
PPW15
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
06.18
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