PPW-10 [TTELEC]
Semi-Precision Power Wirewound Resistors; 半精密功率线绕电阻器
| 型号： | PPW-10 |
| 厂家： | 
TT Electronics |
| 描述： | Semi-Precision Power Wirewound Resistors |
| 文件： | 总2页 (文件大小：136K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
Semi-Precision Power
Wirewound Resistors
Welwyn Components
PPW Series
• Ideal for pulse and surge
applications
2 watts to 15 watts
•
Resistance to 0R1 ohms to 5K ohms
•
±±3% ±23 or ±13 tolerance
•
±20 ppmꢀ/° ꢁ°R
•
Electrical Data
PPW-2
PPW-±
PPW-5
PPW-7
PPW-10
PPW-15
Power rating at 25°C
Resistance range
watts
2
3
5
7
10
15
ohms 0R1 to 1K6 0R1 to 1K6 0R1 to 1K6 0R1 to 2K5 0R1 to 5K 0R1 to 5K
Please note: When ordering the alternate configuration please add an ‘A’ after the part number (ie. PPW-3A)
Lighting Surge Capabilities for PPW-2
Resistive range
ohms
10 x 1000*
250V
10 x ±60*
650V
1R to 9R9
10R to 29R9
30R to 99R
500V
850V
600V
1000V
1500V
100R to 1K6
1000V
1000V
500V
600V
300V
1000 2000 3000
1000 Volts 10x360µsec
1000 2000 3000
600 Volts 10x1000µsec
*10 microseconds – Maximum rise time to peak voltage.
360 or 1000 microseconds - minimum decay time to one half peak.
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.
A subsidiary of
TT electronics plc
© Welwyn °omponents 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
Issue B · 03.02
115
Semi-Precision Power
Wirewound Resistors
PPW Series
Welwyn Components
Physical Data
Dimensions (mm)
Standard Configuration
Alternate Configuration
W
d
E
H
3.17 max.
25.4
min
L
Type
L
0.8
W
0.8
H
0.8
d dia.
0.8
E
0.8
PPW-2
PPW-3
PPW-5
PPW-7
PPW-10
PPW-15
1705
6.99
7.87
9.65
9.65
9.65
12.7
6.99
8.134
9.65
10.4
11.9
11.9
12.7
22.3
22.3
35.3
47.7
47.7
7.87
8.89
8.89
8.89
12.7
0.8
0.8
0.8
0.8
0.8
Temperature Rise
Power Derating
25 40
65
250
200
150
100
50
100
80
60
150
40
20
0
PPW-15
PPW-2
PPW-3, 5, 7, 10
PPW-10
PPW-7
PPW-5
PPW-3
PPW-15
PPW-2
Max. Recommended
Ambient Operating
Temperature 150°C
0
0
20
40
60
80 100 120
0
50
100
150
200 250
% Rated Load
Ambient Temperature (°C)
© 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
Issue B · 03.02
116
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