WCR1206-10KDI [TTELEC]
50General Purpose Surface Mounted Resistors; 50General目的表面贴装电阻器型号: | WCR1206-10KDI |
厂家: | TT Electronics |
描述: | 50General Purpose Surface Mounted Resistors |
文件: | 总2页 (文件大小:661K) |
中文: | 中文翻译 | 下载: | 下载PDF数据表文档文件 |
General Purpose Surface
Mounted Resistors
Welwyn Components
WCR Series
• Excellent reliability
Wide range of sizes and ohmic values
•
Wrap around terminations
•
Inner electrode protection
•
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* Notes – TCR for low values 1R to 10R: -400 to +600ppm/ºC, 11R to 100R: ±±00ppm/ºC
TCR for high values 3M3 to ±±M: ±300ppm/ºC
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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 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 02.07
15
General Purpose Surface
Mounted Resistors
WCR Series
Welwyn Components
Figure 1
Construction
Tin Plating
The chips have a high alumina substrate (96% minimum) with
Nickel Barrier
a ruthenium oxide resistance element and silver palladium,
Dipped Conductor
coat
nickel and tin plated terminations. A glazed protection
is applied to the resistive element (See Fig.1)
E
Protection
Glass Dielectric
Resistance Element
Terminations
Solderability
Silver
Palladium
The terminations meet the requirements of
IEC 115-1, Clause 4.17.3.2.
Strength
The terminations meet requirements of
IEC 68.2.21.
Marking
96% min Alumina Substrate
All resistors are individually marked with 3 digits. The first two
digits are the significant figures and the third defines the
number of added zeros. Jumpers are marked 000. Types 0201
Table 1
and 0402
have no marking.
Resistance
Noise
E96 1% components that can not be marked with 4 digits
will be marked with a standard 3 digit code. Details can be
supplied upon request.
value ohms
dB
-10
0
100R
>100R, 10K
>10K, 100K
>100K, 1M0
>1M0
+15
+20
+30
Solvent Resistance
The protective epoxy lacquer and marking are resistant to all
normal industrial cleaning fluids suitable for printed circuits.
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Packaging
All chips are tape mounted and supplied on standard 8mm
Chip Resistor Labstock For Designers
tape reel, as IEC publication 286-3.
WCR chip resistors are available in a special package of the most
popular sizes containing 50 each of the E24 values.
180mm (7 inch) reel is standard
250mm (10 inch) reel carrying double the standard quantity
Please contact the sales desk for full details of this excellent
solution for designers and your prototype build requirements.
can be supplied by agreement.
© 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
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Issue E 02.07
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