MLR Series

 MLR Series
Metal Alloy Low-Ohmic
Current Sensing Resistor
Feature





Ideal for all types of current sensing, voltage
division and pulse applications.
Proprietary processing technique
Extremely low Resistance values.
Excellent frequency response
Low thermal EMF (>1uV/°C)
PART NUMBERING SYSTEM
MLR
Meritek Series
Size
1206
2010
Rating (Watts)
Code
2512
2725
2728
1206
1
R001 J
4527
C
1
A
2
3
B
4
5
0.5W
1W
1.5W
2W
3W
3.5W
4W
5W
Resistance
EX.
R100 = 100mΩ
R010 = 10mΩ
R001 = 1mΩ
R00025 = 0.25mΩ
4~6
Digit
Tolerance
Code
D
F
Tolerance
±0.5%
±1%
Code
G
J
Tolerance
±2%
±5%
Power Derating Curve:
Operating Temperature Range: -55°C ~ +170°C
Rev. 7a
MLR Series
Metal Alloy Low-Ohmic
Current Sensing Resistor
Dimensions
Type
MLR1206
Power Rating
(W)
Resistance
Range (mΩ)
0.5
1.0
2.0 ~ 4.0
5.0
6.0 ~ 50.0
1.0 ~ 3
1.0
MLR2010
1.0
MLR2512
1.0 & 1.5
2.0
3.0
MLR2725
4.0
MLR2728
3.0
3.5
4.0
MLR4527S
(Without heat
sink)
3.0
MLR4527
5.0
3.1 ~ 4.0
4.1 ~ 100
0.5 ~ 3
3.1 ~ 4
4.1 ~ 75
75.1 ~ 100
0.5 ~ 3
3.1 ~ 4.0
4.1 ~ 75.0
0.5
Dimensions (mm)
L
W
3.20 ± 0.254
1.60 ± 0.254
0.5
0.6 ~ 3.0
4.1 ~ 5.0
5.1 ~ 20
0.5
0.6 ~ 3.0
4.1 ~ 5.0
5.1 ~ 120
0.787 ± 0.254
0.508 ±0.254
0.6±0.254
0.508±0.254
1.295 ± 0.254
0.645 ± 0.254
0.787 ± 0.254
0.787 ± 0.254
1.880 ± 0.254
0.645 ± 0.254
0.645 ± 0.254
0.787 ± 0.254
1.118 ± 0.254
0.868 ± 0.254
1.880 ± 0.254
0.645 ± 0.254
1.118 ± 0.254
1.880 ± 0.254
0.545 ± 0.254
5.08 ± 0.254
6.248 ± 0.254
2.54 ± 0.254
3.302 ± 0.254
0.787 ± 0.254
T2
1.118 ± 0.254
1.676 ± 0.254
1.118 ± 0.254
0.991 ± 0.254
6.807 ± 0.254
6.452 ± 0.254
2.0
2.5
3.0
4 ~ 100
T1
0.645 ± 0.254
0.6 ~ 2.9
3.0 ~ 4.0
4.1 ~ 10.0
0.25 ~ 0.5
1.0
1.5
H
1.092 ± 0.254
0.991 ± 0.254
2.159 ± 0.254
0.889 ± 0.254
1.803 ± 0.254
1.651 ± 0.254
1.295 ± 0.254
6.706 ± 0.254
7.188 ± 0.254
0.991 ± 0.254
1.143 ± 0.254
11.430 ±
0.254
6.850 ± 0.254
1.400 ± 0.254
3.215 ± 0.254
0.965 ± 0.254
1.815 ± 0.254
11.430 ±
0.254
6.850 ± 0.254
1.500 ± 0.254
3.215 ± 0.254
0.965 ± 0.254
1.815 ± 0.254
Rev. 7a
MLR Series
Metal Alloy Low-Ohmic
Current Sensing Resistor
Product Specifications
Type
Number
of
Terminals
MLR1206
2
MLR2010
MLR2512
2
2
Rated
Power at
70°C
Max.
Rated
Current
Max.
Overload
Current
T.C.R
(ppm / °C)
0.5W
22.36A
44.72A
1W
31.62A
63.25A
1W
31.62A
63.25A
1W
44.72A
100.00A
1.5W
54.77A
122.48A
1.0 ~ 1.9 mΩ:≤±75
2.0 ~ 4.0 mΩ:≤±50
4.1 ~ 15 mΩ:≤±25
15.1 ~ 50 mΩ:≤±15
1.0 ~ 1.9 mΩ:≤±75
2.0 ~ 4.0 mΩ:≤±50
4.1 ~ 15 mΩ:≤±25
15.1 ~ 50 mΩ:≤±15
0.5 ~ 1.0 mΩ:≤±75
1.1 ~ 3.0 mΩ:≤±50
3.1~100 mΩ:≤±25
2W
63.25A
141.42A
3W
77.46A
134.16A
MLR2725
2
4W
126.49A
252.95A
MLR2728
2
3W
3.5W
4W
27.39A
29.58A
31.62A
47.43A
51.23A
63.25A
3W
77.5A
134A
MLR4527
(Without
heat sink)
MLR4527
2
0.5 ~ 1.0 mΩ:≤±75
1.1 ~ 3.0 mΩ:≤±50
3.1~100 mΩ:≤±25
0.5 ~ 1.0 mΩ:≤±75
1.1 ~ 2.5 mΩ:≤±50
2.6~10 mΩ:≤±25
0.2mΩ:≤±100
0.25 ~ 3.0mΩ:≤±50
4 ~ 7 mΩ:≤±25
7.1 ~ 100 mΩ:≤±15
4 ~ 7 mΩ:≤±25
7.1 ~ 50 mΩ:≤±15
Resistance Range
D (±0.5%)
F (±1%),
G (±2%),
J (±5%)
7 ~ 50 mΩ
1 ~ 50 Ωm
7 ~ 50 mΩ
1 ~ 50 Ωm
7 ~ 100 mΩ
1 ~ 100 mΩ
7 ~ 100 mΩ
0.5 ~ 100mΩ
7 ~ 75 mΩ
0.5 ~ 75mΩ
7 ~ 10 mΩ
0.5 ~ 10mΩ
--
0.20 ~ 3.0mΩ
Operating
Temperatur
e
Range
-55°C ~
+170°C
4 ~ 100 mΩ
4 ~ 50 mΩ
7 ~ 20 mΩ
0.5 ~ 20 mΩ
7 ~ 120 mΩ
0.5 ~ 120 mΩ
≤±50
2
5W
100A
173A
Recommend Land Pattern
Type
Maximum
Power Rating
(Watts)
MLR1206
MLR2010
0.5 & 1.0
1.0
MLR2512
1.0 & 1.5
MLR2512
2.0
MLR2512
3.0
MLR2725
MLR2728
MLR4527S
4.0
3.0 & 3.5 & 4.0
3.0
MLR4527
5.0
Land Pattern Dimensions Unit:mm
Resistance
Range (mΩ)
1.0 ~ 50.0
1.0 ~ 3.0
3.1 ~ 100.0
0.5 ~ 4.0
4.1 ~ 100.0
0.5 ~ 4.0
4.1 ~ 75.0
0.50
0.6 ~ 2.9 &
4.1 ~ 10.0
3.0 ~ 4.0
0.20 ~ 3.0
4.0 ~ 100.0
0.5 ~ 5.0
5.1 ~ 20
0.5 ~ 5.0
5.1 ~ 120.0
a
b
i
1.60
2.89
2.29
3.05
2.11
3.05
2.11
3.05
2.19
2.18
2.92
2.92
3.68
3.68
3.68
3.68
3.68
3.68
1.00
1.22
2.41
1.27
3.18
1.27
3.18
1.27
3.00
2.79
3.18
2.75
4.80
3.40
4.80
3.40
3.68
6.86
7.82
8.74
8.74
8.74
8.74
1.80
1.32
3.51
5.51
8.31
5.51
8.31
Rev. 7a
MLR Series
Metal Alloy Low-Ohmic
Current Sensing Resistor
Tape Dimensions
Unit: mm
Type
A
B
W
E
F
T1
T2
P
P0
10 X P0
P1
MLR1206
3.48±0.10
1.83±0.10
8.0±0.15
1.75±0.10
3.5±0.10
1.10±0.10
0.20±0.05
4.0±0.10
4.0±0.10
40.0±0.20
2.0±0.10
MLR2010
5.45±0.10
2.90±0.10
12.0±0.15
1.75±0.10
5.5±0.10
1.33±0.10
0.23±0.05
4.0±0.10
4.0±0.10
40.0±0.20
2.0±0.10
MLR2512
6.75±0.10
3.50±0.10
12.0±0.15
1.75±0.10
5.5±0.10
1.30±0.10
0.20±0.05
4.0±0.10
4.0±0.10
40.0±0.20
2.0±0.10
MLR2725
7.15±0.10
6.75±0.10
12.0±0.15
1.75±0.10
5.5±0.10
1.95±0.10
0.25±0.05
8.0±0.10
4.0±0.10
40.0±0.20
2.0±0.10
MLR2728
7.15±0.10
7.70±0.10
12.0±0.15
1.75±0.10
5.5±0.10
1.45±0.10
0.25±0.05 12.0±0.10
4.0±0.10
40.0±0.20
2.0±0.10
MLR4527
11.80±0.10 7.20±0.10
24.0±0.15
1.75±0.10
11.5±0.10
2.00±0.10
0.30±0.10 12.0±0.10
4.0±0.10
40.0±0.20
2.0±0.10
MLR4527S
11.80±0.10 7.20±0.10
24.0±0.15
1.75±0.10
11.5±0.10
2.00±0.10
0.30±0.10 12.0±0.10
4.0±0.10
40.0±0.20
2.0±0.10
Packaging Quantity
Type
Tape Width
MLR1206
MLR2010
MLR2512
MLR2725
MLR2728
MLR4527
MLR4527S
8 mm
12 mm
12 mm
12 mm
12 mm
24 mm
24 mm
4 mm Pitch
4000 pcs
2000 pcs
Packaging Quantity (pcs / reel)
Emboss Plastic Type
8 mm Pitch
12 mm Pitch
2000 pcs
1000 pcs
1000 pcs
500 pcs
500 pcs
Reel Dimensions
Reel Type/ Tape
7” reel for 8 mm tape
7” reel for 12 mm tape
7” reel for 24 mm tape
W
9.0 ± 0.5
13.8 ± 0.5
25.0 ± 1.0
M
178 ± 2.0
A
2.0 ± 0.5
2.0 ± 0.5
2.0 ± 0.5
B
13.5 ± 0.5
13.5 ± 0.5
13.2 ± 0.5
C
21.0 ± 0.5
17.7 ± 0.5
D
60.0 ± 1.0
80.0 ± 1.0
60.0 ± 1.0
Rev. 7a