参数资料
型号: NH0056K930FC02
厂商: Vishay Dale
文件页数: 3/5页
文件大小: 0K
描述: RES WW 5W 6.93K 1%
标准包装: 10
系列: NH
电阻(欧姆): 6.93k
功率(瓦特): 5W
复合体: 绕线
特点: 非电感
温度系数: ±20ppm/°C
容差: ±1%
涂层,外壳类型:
安装特点: 法兰
尺寸/尺寸: 0.600" L x 0.646" W(15.24mm x 16.41mm)
高度: 0.335"(8.51mm)
引线型: 焊片
包装: 散装
封装/外壳: 轴向,盒
其它名称: Q3881869
RH, NH
www.vishay.com
POWER RATING
Vishay RH resistor wattage ratings are based on mounting to the following heat sink: ?
RH005 and RH010: 4" x 6" x 2" x 0.040" thick aluminum chassis (129 sq. in. surface area) ?
RH025: 5" x 7" x 2" x 0.040" thick aluminum chassis (167 sq. in. surface area) ?
RH050: 12" x 12" x 0.059" thick aluminum panel (291 sq. in. surface area) ?
RH100 and RH250: 12" x 12" x 0.125" thick aluminum panel (294 sq. in. surface area)
FREE AIR POWER RATING
Vishay Dale
GLOBAL ?
MODEL
W at 25 °C
RH005
NH005
4.5
RH010
NH010
7.5
RH025
NH025
12.5
RH050
NH050
20
RH100
NH100
40
RH250
NH250
100
AMBIENT TEMPERATURE DERATING
Derating is required for ambient temperatures above 25 °C, see the following graph. ?
Curves A , B , C apply to operation of unmounted resistors. Curve D applies to all types when mounted to specified heat sink. ?
A = RH005 and RH010 size resistor, unmounted ?
B = RH025 size resistor, unmounted ?
C = RH050, RH100 and RH250 size resistor, unmounted ?
D = All types mounted to recommended aluminum heat sink ?
120
100
80
60
40
20
0
A
B
C
D
- 55 - 50
0
50
150
250
25
AMBIENT TEMPERATURE IN °C
REDUCED HEAT SINK DERATING
Derating is also required when recommended heat sink area is reduced. ?
A = RH005 and RH010 size resistor ?
B = RH025 size resistor ?
C = RH050, RH100 and RH250 size resistor ?
100
90
80
70
60
50
40
30
20
10
A
B
C
0
0
20
40
60
80
100
% OF RECOMMENDED HEAT S INK AREA
Revision: 23-May-13
3
Document Number: 30201
For technical questions, contact: ww2aresistors@vishay.com
THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT
ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc?91000
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