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Panasonic Electronic Components Datasheet

ERJMS4S Datasheet

Current Sensing Resistors

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Current Sensing Resistors, Metal Plate Type
Current Sensing Resistors,
Metal Plate Type
Type: ERJ MS4, MB1
Features
Ideal for current sensing solution
Small case size with high power
Metal plate bonding technology. Excellent long term stability
Outer Resin with high heat dissipation. Wide temperature range (-65 °C to +170 °C)
AEC-Q200 qualified
RoHS compliant
ISO9001, ISO/TS16949 certified
As for Packaging Methods, Soldering Conditions and Safety Precautions,
Please see Data Files
Explanation of Part Numbers
1 2 3 4 5 6 7 8 9 10 11
ER JMS 4SF 2M0
12
U
Product Code
Metal Plate
Chip Resistors
Type Code
Code Inch size Electrode type
S4S 2512 Standard
S4H 2512
Narrow
B1S 1020 Standard
Resistance Tolerance
Code Tolerance
F ±1 %
Resistance Value
Shown by 3 digits or
letters.Decimal point
is expressed by M as
2.0 mΩ=2M0,
10.0 mΩ=10
Code
U
Packaging Methods
Packaging
Embossed Carrier Taping
4 mm pitch, 2,000 pcs.
Embossed Carrier Taping
4 mm pitch, 3,000 pcs.
Part No.
ERJMS4
ERJMB1
Ratings
Part No.
(inch size)
ERJMS4S
(2512)
ERJMS4H
(2512)
ERJMB1S
(1020)
Power Rating
at 70 °C
(W)
3
3
2
2
Resistance
Range
(mΩ)
1, 2, 3, 4
5, 6
7, 8, 9, 10
1, 2, 3, 4, 5
Resistance
Tolerance
(%)
F : ±1
F : ±1
F : ±1
F : ±1
Please contact us when resistors of irregular series are needed.
T.C.R.
(×10–6/°C)
±75
±75
±75
±75
Category
Terminal temp.
Temperature Range upper limit
(°C) (°C)
–65 to +170
130
–65 to +170
–65 to +170
130
100
–65 to +170
130
Power Derating Curve
If the terminal temperature of the resistor is more than
terminal temperature upper limit value of the rated
table, please reduce the rated power according to the
Power Derating Curve shown in the figure on the right.
<Supplemented>
In the case of the temperature measurement of the terminal portion of
the resistor, Please perform under the following conditions.
1) Terminal temperature measurement, please apply the temperature of
the higher of either the left or right electrode upper surface of the
resistor.
2) Please measure the temperature of the resistor in the land pattern
printed of circuit board and plan to use by real conditions.
120
100 −65 °C
80
60
40
20
0
–80 –40
100 °C 130 °C
ERJMS4H
(7 to 10 mΩ)
0 40 80 120
Terminal Temperature (°C)
170 °C
160 200
Design and specifications are each subject to change without notice. Ask factory for the current technical specifications before purchase and/or use.
Should a safety concern arise regarding this product, please be sure to contact us immediately.
05 Apr. 2019


Panasonic Electronic Components Datasheet

ERJMS4S Datasheet

Current Sensing Resistors

No Preview Available !

Construction
Current Sensing Resistors, Metal Plate Type
Protective Film
Resistive Element (Metal Plate)
Surface Treatment (Ni/Sn)
Electrode (Metal)
Dimensions in mm (not to scale), Recommended Land Pattern
ERJMS4S/ERJMS4H
ERJMB1S
A
L
t
W
A
L
t
W
c
Land Pattern
a
b
Part No.
(inch size)
ERJMS4S
(2512)
ERJMS4H
(2512)
ERJMB1S
(1020)
L
6.40±0.25
Dimension (mm)
WA
3.20±0.25 2.20±0.25
t
1.20±0.15
6.40±0.25 3.20±0.25 1.25±0.25 1.20±0.15
2.55±0.25 5.00±0.25 0.68+−00..1250 0.90±0.15
ca
b
Recommended Land Pattern (mm)
abc
2.7 3.4 2.0
1.7 3.4 4.0
1.15 5.5
1.1
Mass (Weight)
(g/1000 pcs.)
120
115
40
Typical Temperature dependence of electrical resistance
1
0.5
0
–0.5
–1
–80 –60 –40 –20 0 20 40 60 80 100 120 140 160 180
Temperature (°C)
Long-term stability
1
ERJMS4SF2M0U 140 °C Storage
0.5
0
–0.5
–1
0
2000
4000
6000
est Time (hrs)
8000
Design and specifications are each subject to change without notice. Ask factory for the current technical specifications before purchase and/or use.
Should a safety concern arise regarding this product, please be sure to contact us immediately.
05 Apr. 2019


Part Number ERJMS4S
Description Current Sensing Resistors
Maker Panasonic
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ERJMS4S Datasheet PDF






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