Ultra-low Ohmic Resistors for Current Detection(Wide terminal type)
PML18
Features
1) Ultra-low resistance range
2) Wide terminal configuration for high joint reliability.
3) Unique trimless structure utilized for improved current detection accuracy.
4) ISO9001- / ISO/TS 16949- approved
Rating
Item
Rated power
Conditions
For resistors operated at the ambient temperature in
excess of 70°C, the load shall be derated in accordance with Fig.1
100
80
POWER LOAD (%)
Specifications
1W
at 70°C
60
40
20
0
−55
0
70
100
125
155
AMBIENT TEMPERATURE (°C)
Fig.1
Rated voltage
Rated current
Rated voltage and current are determined from the following.
E= P×R
E= P / R
Nominal resistance
Operating temperature
See Table 1.
−55°C
to
+155°C
E: Rated voltage (V)
I : Rated current (A)
P: Rated power (W)
R: Resistance (Ω)
Table.1
RESISTANCE
(mΩ)
0.5, 1.0, 1.2
1.5, 1.8, 2.0
2.4, 2.5
G (±2%)
J (±5%)
V
±150
TOLERANCE
SPECIAL
CODE
TEMPERATURE (ppm / ˚C)
COEFFICIENT
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2011 ROHM Co., Ltd. All rights reserved.
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PML18
Characteristics
Item
Resistance
Guaranteed value
Resistor type
G :
±2%
J :
±5%
Test conditions (JIS C 5201-1)
JIS C 5201-1 4.5
Measuring method : Measure under
terminations by 4 probes.
Fig.2 (Under terminations)
probes
Data Sheet
Variation of resistance
with temperature
Overload
See Table.1
±
2.0%
A new uniform coating of minimum of
95% of the surface being immersed
and no soldering damage.
±
1.0%
No remarkable abnormality on the appearance.
±
1.0%
±
3.0%
JIS C 5201-1 4.8
Measurement :
+25
/
−55
/
+25
/
+125°C
JIS C 5201-1 4.13
Rated voltage (current)
×2.5,
2s.
JIS C 5201-1 4.17
Rosin·Ethanol (25%WT)
Soldering condition : 235±5°C
Duration of immersion : 2.0±0.5s.
JIS C 5201-1 4.18
Soldering condition : 260±5°C
Duration of immersion : 10±1s.
JIS C 5201-1 4.19
Test temp. :
−55°C
to
+125°C
5cyc
JIS C 5201-1 4.24
40°C, 93%RH
Test time : 56days
JIS C 5201-1 4.25.1
70°C, Rated power
1.5h : ON
−
0.5h : OFF
Test time : 1,000h to 1,048h
JIS C 5201-1 4.25.3
155°C
Test time : 1,000h to 1,048h
JIS C 5201-1 4.29
23°C±5°C
Solvent : 2-propanol
JIS C 5201-1 4.33
Solderability
Resistance to
soldering heat
Rapid change of
temperature
Damp heat, steady state
±
3.0%
Endurance at 70°C
±
3.0%
Endurance
Component Solvent
Resistance
Bend strength of
the end face plating
±
0.5%
Without open.
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2011 ROHM Co., Ltd. All rights reserved.
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2011.10 Rev.B
Notice
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which can be obtained from ROHM upon request.
Examples of application circuits, circuit constants and any other information contained herein
illustrate the standard usage and operations of the Products. The peripheral conditions must
be taken into account when designing circuits for mass production.
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However, should you incur any damage arising from any inaccuracy or misprint of such
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