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WP3S-680RJA15

WP3S-680RJA15首页预览图
型号: WP3S-680RJA15
PDF文件:
  • WP3S-680RJA15 PDF文件
  • WP3S-680RJA15 PDF在线浏览
功能描述: Compact Flameproof Power Wirewound Resistors
PDF文件大小: 451.11 Kbytes
PDF页数: 共4页
制造商: WELWYN[Welwyn Components Limited]
制造商LOGO: WELWYN[Welwyn Components Limited] LOGO
制造商网址: http://www.welwyn-tt.com/
捡单宝
PDF页面索引
100%
Compact Flameproof Power
Wirewound Resistors
WP-S Series
Small size for power rating
Enhanced pulse handling capability
Flameproof protection
SMD Z-form available
RoHS compliant with Pb-free terminations
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 · 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 E · 07.06
A subsidiary of
TT electronics plc
Welwyn Components
Dimensions (mm) & Weight (g)
Type L max D max f min d nom PCB Min Wt.
mount bend nom
centres radius
WP1S 6.2 2.8 21.20 0.6 10.20 0.6 0.22
WP2S 9.0 3.6 19.80 12.70 0.50
WP25S 12.5 4.5 17.80 18.40 0.50
WP3S 14.5 5.2 24.55 20.30 1.10
WP4S 13 5.6 22.75 18.90 1.00
WP5S 16.5 7.0 23.55 22.86 1.75
WP7S 25.0 8.8 28.30 31.40 4.40
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.
Electrical Data
Physical Data
Construction
D
d
Lf
WP1S WP2S WP25S WP3S WP4S WP5S WP7S
Power rating at 25°C watts 1 2 2.5 3 4 5 7
5s overload rating at 25ºC watts 5 10 12.5 15 20 25 35
Short pulse performance See Pulse Performance graphs
Resistance range ohms R068 to 430R R05 to 900R R05 to 900R R01 to 2K2 R01 to 10K R015 to 6K8 R15 to 10K
Limiting element voltage volts 50 50 75 100 100 150 150
TCR ppm/°C <1R: 350 1R: 200
Isolation Voltage volts 250 350 500 700
Resistance Tolerance %
Standard Values E24 preferred
Thermal Impedance °C/watt 140 110 90 82 62 54 35
Ambient temperature range °C -55 to +155
<20R: 5 20R: 1, 2, 5
<20R: 5 20R: 1, 2, 5
<R10: 5
R10: 1, 2, 5
0.8
1.2
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