HTML datasheet архив (поиск документации на электронные компоненты) Поиск даташита (1.687.043 компонентов)
Где искать

Datasheet: RL4527-2W (Cyntec Co., Ltd.)

Metal Foil Type Current Sensing Resistors

 

Скачать: PDF   ZIP
 
CYNTEC CO., LTD.
DOCUMENT : SRB90000N
REVISION : A0
PAGE : 1 OF 1
2W 4527 LOW RESISTANCE CHIP RESISTOR

1. Scope
This specification applies to 7.1mm x 11.7mm size 2W, fixed metal foil with ceramic carrier
current sensing resistors used in electronic equipment.
2. Type Designation
RL45279 N
(1) (2)
(3)
(4)
Where (1)
Series
No.
(2) Resistance value :
For example :
R003 = 3m
R050 = 50m
(3)
Tolerance
:
F =
1%
G =
2%
J =
5%
(4) N = Sn plating ( Lead free , RoHS compliant)
3. Outline Designation and Marking
3-1 Outline Designation
Figure 1. Construction and Dimensions
(1) Substrate
Alumina 96%
(2) Resistor
Ni-Cu alloy
(3) Terminals
Sn (on Cu )
(4) Protection coat
Heat resistive epoxy resin
(5) Marking
Epoxy resin
Dimensions (mm)
Code Letter
4527
L
11.7
0.20
W
7.10
0.20
a
2.60
0.20
t
(5m
) 0.80 0.20
(5m
) 0.95 0.20
W
L
(Bottom View)
a
a
(1)
R010
(2)
(3)
(4)
t
(5)
CYNTEC CO., LTD.
DOCUMENT : SRB90000N
REVISION : A0
PAGE : 2 OF 2
3-2 Marking
Resistance value is marked on the top surface. Ex.) 50m
R050
100m
R100
4. Ratings
4-1 Specification
Power Ratings*
2 W
Resistance Value**
1 ~ 200m
Temperature Coefficient of Resistance
100ppm/
Resistance Tolerance
1% , 2% , 5%
Insulation Resistance
Over 100M
Rated Voltage (V)
( P*R)
1/2
Note * :
Power ratings is based on continuous full load operation at rated ambient temperature of 70.
For resistors operated at ambient temperature in excess of 70, the maximum load shall be
derated in accordance with the following curve.







4-2 Rated current
[ ]
A
R
P
I
/
=
Where
I : Rated current (A)
R : Nominal resistance value (
)
P : Rated dissipation (W)
The rated current shall be corresponding to rated voltage.
4-3 Operation and Storage Temperature Range
-55 to +170
-55
100
70
0
170
RA
TED LOAD
(
%
)
AMBIENT TEMPERATURE( )
Figure 2.Power Temperature Derating Cure
CYNTEC CO., LTD.
DOCUMENT : SRB90000N
REVISION : A0
PAGE : 3 OF 3
5. Schematic Diagram. Measurement Point





6. Life test (Refer to JIS C 5201-1)
6-1 Electrical
6-1-1 Short Time Overload
Resistance Change :
( 0.5% + 0.0005 )
Without significant damage by flashover ( spark, arching ),
burning or breakdown etc.
Test voltage : 2.5 times the rated voltage.
Duration : 5 seconds
6-1-2 Insulation Resistance
(1) Between Electrode and Protection Film
100M
or over
(2) Between Electrode and Substrate
R0.5
Substrate
Protection Film
Pressure Rod
Measurement Point A
(Metal)
Test Sample
Spring
Insulation Prate
Metal Block
Measurement Point B
1,000M
or over
The resistor shall be cramped in the metal block and tested , as shown below.
Test voltage : 100
15V
DC
for 1 minute

Measurement Point
Schtemtic Diagram
I
V
V Current terminal
Voltage terminal
I
R047
I
V
CYNTEC CO., LTD.
DOCUMENT : SRB90000N
REVISION : A0
PAGE : 4 OF 4
6-2 Mechanical
6-2-1 Solderability
A new uniform coating of solder shall cover minimum of 95% of the surface
being immersed.
Temperature of solder : 245
5
Immersion duration : 3
0.5 seconds
6-2-2 Resistance to Soldering Heat
Resistance change :
( 0.5% + 0.0005 )
Electrical characteristics shall be satisfied.
Without distinct deformation in appearance
Dipped into solder for 10
1 seconds at 270 5
6-2-3 Substrate bending
Resistance change :
( 0.5% + 0.0005 )
Without mechanical damage such as breaks.
Electrical characteristics shall be satisfied.
Glass-Epoxy bard t = 1.6mm
Bending value : 2mm
Between the fulcrums : 90mm
CYNTEC CO., LTD.
DOCUMENT : SRB90000N
REVISION : A0
PAGE : 5 OF 5
6-3 Endurance
6-3-1 Rapid change of temperature
Resistance change :
( 0.5% + 0.0005 )
Without distinct damage.
Perform 5 cycles as follows :
-55 for 30minutes room temperature for 3 minutes
+125 for 30minutes room temperature for 3 minutes
6-3-2 Endurance at 70
Resistance change :
( 0.5% + 0.0005 )
Without distinct damage.
Rated voltage for 1.5 hours followed by a pause 0.5 hour at a temperature of 70
3.
Cycle shall be repeated for 1,000 hours.
6-3-3 Dump heat with load
Resistance change :
( 0.5% + 0.0005 )
The marking shall be legible.
60
2 with relative humidity of 90% to 95%.
D.C. rated voltage for 1.5 hours ON 30 minutes OFF.
Cycle shall be repeated for 1,000 hours.
CYNTEC CO., LTD.
DOCUMENT : SRB90000N
REVISION : A0
PAGE : 6 OF 6
7. Recommended Solder Pad Dimensions






W
L D
4527 6.00
13.00
4.00
Unit : mm
8. Packaging
8-1 Dimensions
8-1-1 Tape packaging dimensions
Symbol
Ao Bo Ko Po P1 P2 T
Spec
7.380.10 12.000.10 1.050.10
4.00.10
12.00.10 2.00.10 0.300.10
Symbol E
F
Do D1
W 10Po
Spec
1.750.10 11.500.10 1.550.05 1.500.10 24.00.30 40.00.20
Cu Trace
W
L
D
Sensing Trace
CYNTEC CO., LTD.
DOCUMENT : SRB90000N
REVISION : A0
PAGE : 7 OF 7
8-1-2 Reel dimensions

A 24.5
0.5
F
20.2
0.1
B 2.0
0.2
G
13.0
+0.5
-1.0
C 100
1.0
H
2.2
0.1
D 330
0.5
Unit : mm






F
G
H
D
B
A
C
CYNTEC CO., LTD.
DOCUMENT : SRB90000N
REVISION : A0
PAGE : 8 OF 8
8-2 Peel Strength of Top Cover Tape
The peel speed shall be about 300mm/minute
The peel force of top cover tape shall between 0.1 to 0.7N







8-3 Number of Taping
1,000 pieces / reel

8-4 Label marking
The following items shall be marked on the reel.
(1) Type designation
(2) Quantity
(3) Manufacturing date code
(4) Manufacturer's name
(5) The country of origin


165 ~ 180
Top Cover Tape
Carrier tape
0.1 ~ 0.7N
© 2019 • ChipFind
Контакты
Главная страница