5秒后页面跳转
V757 PDF预览

V757

更新时间: 2024-11-11 03:20:59
品牌 Logo 应用领域
TTELEC 电阻器线绕电阻器
页数 文件大小 规格书
2页 141K
描述
Vitreous Enamelled Wirewound Resistors

V757 数据手册

 浏览型号V757的Datasheet PDF文件第2页 
Vitreous Enamelled  
Wirewound Resistors  
Welwyn Components  
V700 (RB Style) Series  
BS/CECC approved  
Stability for harsh environments  
Overload characteristics ideal for  
protection circuits  
High stability and reliability  
High power dissipation for size  
Impervious lead free vitreous enamel coating  
Electrical Data  
V757  
(RB57)  
7
V758  
(RB58)  
11.0  
V759  
(RB59)  
3.0  
V760  
(RB60)  
8.0  
V761  
(RB61)  
5.0  
Power rating at 25°C  
Resistance range  
Limiting element voltage  
TCR  
watts  
ohms 0R1 to 20K 0R2 to 82K 0R1 to 10K 0R1 to 56K 0R1 to 15K  
volts  
ppm/°C  
%
200  
400  
100  
250  
160  
Typically: +75  
Maximum +120  
Resistance tolerance  
5
Closer tolerances to special order  
Approved CECC 40201 - 001  
Power rating at 25°C  
Power rating at 70°C  
Resistance range  
watts  
watts  
6.5  
5.6  
3.0  
2.6  
8.0  
6.9  
5.0  
4.3  
ohms 0R1 to 20K  
0R1 to 10K 0R1 to 56K 0R15 to 15K  
Limiting element voltage  
TCR  
volts  
ppm/°C  
%
160  
63  
250  
160  
>20 ohms 500  
20 ohms -50 +250  
Resistance tolerance  
Standard values  
5
5
5
5
E24 preferred. Other values to special order  
Thermal impedance  
Ambient temperature range  
°C/watt  
°C  
44  
32  
88  
36  
58  
-55 to 200  
* See temperature rise in graph Application Notes  
Physical Data  
Maximum Dimensions (mm) and Weight (g)  
Type  
L max  
22.2  
47  
D max  
8
f min  
30  
d max  
0.88  
0.88  
0.88  
0.88  
0.88  
Wt. Nom  
V757 (RB57)  
V758 (RB58)  
V759 (RB59)  
V760 (RB60)  
V761 (RB61)  
2
9
1
4
2
11  
30  
d
D
12.7  
36  
5.6  
10.0  
7.0  
30  
L
f
30  
23  
30  
Construction  
A high purity ceramic substrate is assembled with force fit  
end caps to which are welded the termination wires.  
The resistive element is wound on the substrate and welded to  
the caps; the vitreous enamel protective coating is then applied.  
General Note  
Welwyn Components reserves the right to make changes in product specification without notice or liability.  
All information is subject to Welwyns own data and is considered accurate at time of going to print.  
A subsidiary of  
TT electronics plc  
© 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  
87  

与V757相关器件

型号 品牌 获取价格 描述 数据表
V758 TTELEC

获取价格

Vitreous Enamelled Wirewound Resistors
V759 TTELEC

获取价格

Vitreous Enamelled Wirewound Resistors
V75AS001-6ZZ00-000 Carling Technologies

获取价格

Rocker Switch, SPDT, On-off-(on), Momentary, Quick Connect Terminal, Rocker Actuator, Pane
V75BS004-1ZZ00-000 Carling Technologies

获取价格

Rocker Switch, SPDT, On-off-(on), Momentary, Quick Connect Terminal, Rocker Actuator, Pane
V7-5D17E9 HONEYWELL

获取价格

Snap Acting/Limit Switch, SPDT, Momentary, 1A, 10VDC, 2.46mm, Quick Connect Terminal, Plas
V7-5F17D8 HONEYWELL

获取价格

Snap Acting/Limit Switch, SPDT, Momentary, 2.46mm, Quick Connect Terminal, Panel Mount,
V7-5F17D8-000-1 HONEYWELL

获取价格

Snap Acting/Limit Switch, SPDT, Momentary, 2.46mm, Quick Connect Terminal, Plastic Plunger
V7-5F17D8-289 HONEYWELL

获取价格

Snap Acting/Limit Switch, SPDT, Momentary, 4.93mm, Quick Connect Terminal, Panel Mount,
V7-5F23D8-636-1 HONEYWELL

获取价格

SWITCH PADDLE LEVER SPST 3A QC
V7-5F27D8 HONEYWELL

获取价格

Snap Acting/Limit Switch, SPST, Momentary, 2.46mm, Quick Connect Terminal, Plastic Plunger