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參數(shù)資料
| 型號： | W21-120RJI |
| 英文描述： | WIDERSTAND DRAHT EMAILL 120R 100V 2.5W |
| 中文描述： | WIDERSTAND線材EMAILL 120R 100V的2.5W功率 |
| 文件頁數(shù)： | 1/2頁 |
| 文件大?。?/td> | 106K |
| 代理商： | W21-120RJI |
Electrical Data
Commercial
Power rating at 25°C
Resistance range at
W21
3.0
1 to 10k
0.5 to 10k
0.1 to 10k
W215
5.0
1 to 15k
0.5 to 15k
0.1 to 15k
Typically: <+75
W22
7.0
1 to 22k
0.5 to 22k
0.1 to 22k
W23
10.0
1 to 60k
1 to 60k
0.15 to 60k
Maximum: +200
W24
14.0
1 to 100k
1 to 100k
0.2 to 100k
watts
ohms
ohms
ohms
pp/°C
1% tolerance
2% tolerance
5% tolerance
TCR (-55° to 200°C)
Approved BS CECC 40-201-002
Power rating at 25°C
Power rating at 70°C
Resistance range at
Style
watts
watts
ohms
ohms
ohms
ppm/°C
JB
2.9
2.5
HB
5.0
4.3
KB
7.0
6.0
LB
10.0
9.0
1 to 56k
1 to 56k
0.15 to 56k
≥
10 ohms: ±200
MB
14.0
12.0
1% tolerance
2% tolerance
5% tolerance
1 to 10k
0.5 to 10k
0.1 to 10k
1 to 15k
0.5 to 15k
0.1 to 15k
1 to 20k
0.5 to 20k
0.1 to 20k
1 to 100k
1 to 100k
0.2 to 100k
TCR (-55° to 200°C)
≥
5 ohms < 10 ohms: ±400
Applicable to commercial and approved ranges
Limiting element voltage
Standard values
Thermal impedance
Ambient temperature range
Physical Data
Dimensions (mm) & weight (g)
Type
L max
D max
W21
12.7
W215
22.0
W22
22.0
W23
38.0
W24
53.5
volts
100
E24 preferred. Other values to special order
88
58
160
200
500
750
°C/watt
44
29
22
°C
-55 to 200
f min
22.75
23.1
23.1
-
-
d nom
0.8
0.8
0.8
0.8
0.8
Wt.nom
1
2
2
3.5
5
5.6
7.0
8.0
8.0
8.0
CONSTRUCTION
A high purity ceramic substrate is assembled with interference 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.
TERMINATIONS
Material
Strength
Solderability
Copper clad steel wire, nickel plated and solder-coated.
The terminations meet the requirements of IEC 68.2.21.
The terminations meet the requirements of IEC 115-1,–
Clause 4.17.3.2.
W23’s and W24’s are not supplied on tape.
Minimum lead length is 30 mm.
Length
MARKING
The resistors are legend marked with type reference, resistance value and tolerance.
Values are marked in accordance with IEC 62.
SOLVENT RESISTANCE
The body protection and marking are resistant to all normal industrial cleaning
solvents suitable for printed circuits.
Welwyn Components Limited
Bedlington, Northumberland NE22 7AA, England Tel: 01670 822181 Fax: 01670 829465 Web: http://www.Welwyn-TT.co.uk
Issue A 07/99
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.
Vitreous Enamelled
Wirewound Resistors
W20 SERIES
●
All welded construction
●
High purity ceramic substrate
●
Impervious lead free vitreous enamel coating
●
High power dissipation for size
●
High stability and reliability
●
Suitable for harsh environments
●
Overload characteristics ideal
for protection circuits
L
D
f
d dia
0 5 10 15 20
Dissipation – Watts
W21
W215
W22
W23
W24
400
300
200
100
0
T
°
C
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| W21-12R0J | 制造商:TT Electronics / IRC 功能描述:RESISTOR WIREWOUND 12OHM 3W 5% 制造商:TT Electronics / IRC 功能描述:RESISTOR, WIREWOUND, 12 OHM, 3W, 5%; Product Range:INTERNATIONAL RESISTIVE - W20 Series; Resistance:12ohm; Power Rating:3W; Resistance Tolerance: 5%; Resistor Case Style:Axial Leaded; Resistor Element Type:Ceramic; No. of Pins:2 ;RoHS Compliant: Yes |
| W2112R0JA | 功能描述:線繞電阻器 - 透孔 12ohm 3watt 5% RoHS:否 制造商:Bourns 電阻:10 Ohms 容差:5 % 功率額定值:7 W 溫度系數(shù):200 PPM / C 系列:FW 端接類型:Axial 工作溫度范圍:- 55 C to + 155 C 尺寸:9.5 mm Dia. x 26 mm L 封裝:Ammo 產(chǎn)品:Power Resistors Wirewound High Energy |
| W2112R0JALF | 功能描述:線繞電阻器 - 透孔 12ohm 3watt 5% RoHS:否 制造商:Bourns 電阻:10 Ohms 容差:5 % 功率額定值:7 W 溫度系數(shù):200 PPM / C 系列:FW 端接類型:Axial 工作溫度范圍:- 55 C to + 155 C 尺寸:9.5 mm Dia. x 26 mm L 封裝:Ammo 產(chǎn)品:Power Resistors Wirewound High Energy |
| W21-12RJI | 功能描述:RES 12.0 OHM 3W 5% AXIAL RoHS:是 類別:電阻器 >> 通孔電阻器 系列:W20 產(chǎn)品變化通告:Global Part Number Change 9/Aug/2010 產(chǎn)品目錄繪圖:CF, CD Series 標(biāo)準(zhǔn)包裝:1 系列:CF 電阻（歐姆）:390 功率（瓦特）:0.5W，1/2W 復(fù)合體:炭膜 特點(diǎn):阻燃涂層 溫度系數(shù):0/ -400ppm/°C 容差:±5% 封裝/外殼:軸向 尺寸/尺寸:0.106" 直徑 x 0.335" L（2.70mm x 8.50mm） 高度:- 端子數(shù):2 包裝:剪切帶 (CT) 產(chǎn)品目錄頁面:2290 (CN2011-ZH PDF) 其它名稱:CF1/23905%RCTCF1/23905%RCT-NDCF1/2390JRCTCF1/2390JRCT-NDCF12JT390RCT |
| W21-130RGI | 制造商:TT Electronics / Welwyn 功能描述:Res Wirewound 130 Ohm 2% 3W ±200ppm/°C Conformal AXL Thru-Hole Ammo Pack |
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