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RL1220

Cyntec
Part Number RL1220
Manufacturer Cyntec
Description 1/4W 1220 Low Resistance Chip Resistor
Published May 27, 2006
Detailed Description www.DataSheet4U.com CYNTEC CO., LTD.  DOCUMENTRLA00000 REVISION PAGE A4  1 OF 10 1/4W 1220 LOW RESISTNAC...
Datasheet PDF File RL1220 PDF File

RL1220
RL1220

Overview
www.
DataSheet4U.
com CYNTEC CO.
, LTD.
 DOCUMENTRLA00000 REVISION PAGE A4  1 OF 10 1/4W 1220 LOW RESISTNACE CHIP RESISTOR 1.
Scope This specification applies to 2.
0mm x 1.
25mm size 1/4W, fixed metal film chip resistors rectangular type for use in electronic equipment.
2.
Type Designation RL1220  -  -  (1) (2) (3) (4) Where (1) Series No.
(2) Temperature coefficient of resistanceT.
C.
R.
 (3) Resistance value: refer to paragraph 4-1 For example-Three digits of number ( 0.
1  R) R10 = 0.
1Ω 1R0 = 1.
0Ω Four digits of numberR < 0.
1Ω R022 = 0.
022Ω The “R” shall be used as a decimal point.
(4) Resistance tolerance: refer to paragraph 4-1.
3.
Construction and Physical Dimensions L a a Code Letter W Dimensions (mm) 1220 2.
00  0.
2 1.
25  0.
2 0.
40 -0.
1 +0.
05 L W t t b a b 0.
4  0.
2 0.
4  0.
2 Figure 1.
Construction and Dimensions www.
DataSheet4U.
com  www.
DataSheet4U.
com CYNTEC CO.
, LTD.
 4.
Ratings 4.
1 Specification Power Rating* Resistance Value Resistance Tolerance 1/4 W 22mΩ82mΩ  1%(F) , 5%(J) DOCUMENTRLA00000 REVISION PAGE A4  2 OF 10 0.
1Ω10Ω  1%(F) ,  2%(G) Note*: Power Rating is based on continuous full load operation at rated ambient temperature of 70°C.
For resistors operated at ambient temperature in excess of 70°C, the maximum load shall be derated in accordance with the following curve.
% Rated dissipation ratio 100 50 0 -55 70 Ambient temperature 125 °C Figure 2 Derating Curve 4.
2 Rated Voltage The rated voltage shall be determined by the following expression.
 = ×  Where VRated voltage (V) RNominal resistance value (Ω) PRated dissipation (W) 4.
3 Operating and Storage Temperature Range -55 to +125°C www.
DataSheet4U.
com  www.
DataSheet4U.
com CYNTEC CO.
, LTD.
 DOCUMENTRLA00000 REVISION PAGE A4  3 OF 10 5.
Characteristics 5-1 Electrical 5-1-1 Resistance Resistance value...


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