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PDF RL1220 Data sheet ( Hoja de datos )
| Número de pieza | RL1220 | |
| Descripción | 1/4W 1220 Low Resistance Chip Resistor | |
| Fabricantes | Cyntec | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de RL1220 (archivo pdf) en la parte inferior de esta página. Total 10 Páginas | ||
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CYNTEC CO., LTD.www.DataSheet4U.com
DOCUMENTRLA00000
REVISION A4
PAGE
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
aa
W
t
b
Code
Letter
L
W
t
a
b
Dimensions (mm)
1220
2.00 0.2
1.25 0.2
0.40
+0.05
-0.1
0.4 0.2
0.4 0.2
www.DataSheet4U.cFoigmure 1. Construction and Dimensions
1 page  
CYNTEC CO., LTD.www.DataSheet4U.com
DOCUMENTRLA00000
REVISION A4
PAGE
5 OF 10
5-2-2 Body Strength
Resistance Change : (0.5%)
Without mechanical damage such as breaks.
A load of 10N using a R0.5 pressure rod shall be applied to the center
in the direction of the arrow and held for 10 seconds.
Refer to JIS C 5202 6.2
Pressure rod
R0.5
1/2L
L
Resistor
Unit : mm
5-2-3 Solderability
A new uniform coating of solder shall cover minimum of 95% of the
surface being immersed.
Temperature of solder : 235 5 °C
Immersion duration : 2 0.5 seconds
Refer to JIS C 5202 6.5
5-2-4 Resistance to Soldering Heat
Resistance Change : (0.5%)
Electrical characteristics shall be satisfied.
Without distinct deformation in appearance.
(1) Solder bath method
Pre-heat : 100 to 110 30 seconds
Temperature : 260 5 10 1seconds
(2) Reflow Soldering method
Peak temperature : 240 5 3 to 5 seconds
Temperature : 220 5 40 seconds
The heating apparatus shall be the upper-heated oven and
temperature shall be the board surface temperature.
(3) Soldering iron method
Bit temperature : 350 5 3 1/0 seconds
The resistor shall be stored at standard atmospheric conditions for 1
hour, after which the measurements shall be made.
Refer to JIS C 5202 6.4
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| Páginas | Total 10 Páginas | |
| PDF Descargar | [ Datasheet RL1220.PDF ] | |
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