Metal Alloy Low-Ohmic
MLR Series
Current Sensing Resistor
Feature
Ideal for all types of current sensing, voltage
division and pulse applications.
Proprietary processing technique
Extremely low Resistance values.
High-temperature performance (up to +275°C)
Very low inductance 0.5nH to 5nH
Excellent frequency response
Low thermal EMF (>1uV/°C)
P
ART
N
UMBERING
S
YSTEM
MLR
Meritek Series
Size
1206
2010
Rating (Watts)
Code
C
0.5W
1206
4527
B
3.5W
4
4W
5
5W
330 R001 J
2512
1
1W
A
2725
2
2W
2728
3
3W
1.5W
Resistance
4~6
Digit
EX.
R100 = 100mΩ
R010 = 10mΩ
R001 = 1mΩ
R00025 = 0.25mΩ
Tolerance
±0.5%
±1%
Code
G
J
Tolerance
±2%
±5%
Tolerance
Code
D
F
Power Derating Curve:
Operating Temperature Range: -55°C ~ +170°C
Rev. 7
Metal Alloy Low-Ohmic
MLR Series
Current Sensing Resistor
Dimensions
Type
MLR1206
MLR2010
MLR2512
Power Rating
(W)
0.5
1
1
1 & 1.5
2
Resistance
Range (mΩ)
1 ~ 50
1.0 ~ 3
3.1 ~ 100
0.5 ~ 4
4.1 ~ 75
75.1 ~ 100
0.5 ~ 4
4.1 ~ 75
0.5
0.6 ~ 2.9
4.1 ~ 10
3~4
0.25 / 0.5
1
1.5
2
2.5
3
Dimensions (mm)
L
3.20 ± 0.254
5.08 ± 0.254
W
1.60 ± 0.254
2.54 ± 0.254
H
0.645 ± 0.254
0.787 ± 0.254
0.645 ± 0.254
0.787 ± 0.254
0.645 ± 0.254
0.645 ± 0.254
0.787 ± 0.254
0.645 ± 0.254
0.787 ± 0.254
T1
0.508 ±0.254
1.295 ± 0.254
0.787 ± 0.254
T2
6.248 ± 0.254
3.302 ± 0.254
1.880 ± 0.254
1.118 ± 0.254
1.676 ± 0.254
0.991 ± 0.254
6.807 ± 0.254
6.452 ± 0.254
1.092 ± 0.254
0.991 ± 0.254
0.889 ± 0.254
2.159 ± 0.254
1.803 ± 0.254
1.654 ± 0.254
1.295 ± 0.254
1.143 ± 0.254
3.215 ± 0.254
11.430 ±
0.254
6.850 ± 0.254
1.500 ± 0.254
1.815 ± 0.254
0.965 ± 0.254
3.215 ± 0.254
3
MLR2725
4
MLR2728
3
3.5
4
3&5
4 ~ 100
0.5
0.6 ~ 5.0
5.1 ~ 120
6.706 ± 0.254
7.188 ± 0.254
0.991 ± 0.254
MLR4527
Rev. 7
Metal Alloy Low-Ohmic
MLR Series
Current Sensing Resistor
Product Specifications
Type
Number
of
Terminals
Rated
Power at
70°C
0.5W
MLR1206
2
1W
31.62A
63.25A
Max.
Rated
Current
22.36A
Max.
Overload
Current
44.72A
T.C.R
(ppm / °C)
Resistance Range
D (±0.5%)
F (±1%),
G (±2%),
J (±5%)
7 ~ 50 mΩ
1 ~ 50
Ωm
7 ~ 50 mΩ
1 ~ 50
Ωm
Operating
Temperatur
e
Range
1 ~ 4 mΩ≤±50
4.1 ~ 15 mΩ≤±25
15.1 ~ 50 mΩ≤±15
1 ~ 3 mΩ≤±50
3.1 ~ 6.9 mΩ≤±25
7 ~ 100 mΩ≤±15
0.5 ~ 3 mΩ≤±50
3.1 ~ 6.9 mΩ≤±25
7 ~ 100 mΩ≤±15
0.5 ~ 3 mΩ≤±50
3.1 ~ 6.9 mΩ≤±25
7 ~ 75 mΩ≤±15
0.5 ~ 2.5 mΩ≤±50
2.6 ~ 10 mΩ≤±25
≤±50
4 ~ 7 mΩ≤±25
7.1 ~ 100 mΩ≤±15
4 ~ 7 mΩ≤±25
7.1 ~ 50 mΩ≤±15
≤±50
MLR2010
2
1W
1W
1.5W
31.62A
44.72A
54.77A
63.25A
63.25A
100.00A
122.48A
141.42A
7 ~ 100 mΩ
7 ~ 100 mΩ
1 ~ 100 mΩ
0.5 ~ 100mΩ
-55°C ~
+170°C
MLR2512
2
2W
7 ~ 75 mΩ
0.5 ~ 75mΩ
3W
MLR2725
MLR2728
2
2
4W
3W
3.5W
4W
3W
5W
77.46A
126.49A
27.39A
29.58A
31.62A
77.5A
100A
134.16A
252.95A
47.43A
51.23A
63.25A
134A
173A
7 ~ 10 mΩ
--
0.5 ~ 10mΩ
0.25 ~ 3mΩ
4 ~ 100 mΩ
4 ~ 50 mΩ
MLR4527
2
7 ~ 120 mΩ
0.5 ~ 120 mΩ
Recommend Land Pattern
Unit: mm
Type
MLR1206
MLR2010
MLR2512
MLR2512
Maximum
Power Rating
(Watts)
0.5 & 1.0
1.0
1.0 & 1.5
2.0
Land Pattern Dimensions
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
0.25 ~ 3.0
4.0 ~ 100.0
0.5 ~ 5.0
5.1 ~ 120
a
1.60
2.89
2.29
3.05
2.11
3.05
2.11
3.05
2.19
2.79
3.18
2.75
4.80
3.40
b
2.18
2.92
2.92
3.68
3.68
3.68
3.68
3.68
3.68
3.68
6.86
7.82
8.74
8.74
i
1.00
1.22
2.41
1.27
3.18
1.27
3.18
1.27
3.00
1.80
1.32
3.51
5.51
8.31
Rev. 7
MLR2512
3.0
MLR2725
MLR2728
MLR4527
4.0
3.0 & 3.5 & 4.0
3.0 & 5.0
Metal Alloy Low-Ohmic
MLR Series
Current Sensing Resistor
Tape Dimensions
Unit: mm
Type
MLR1206
MLR2010
MLR2512
MLR2725
MLR2728
MLR4527
A
3.48±0.10
5.45±0.10
6.74±0.10
7.15±0.10
7.15±0.10
B
1.83±0.10
2.90±0.10
3.90±0.10
6.75±0.10
7.70±0.10
W
8.0±0.15
12.0±0.15
12.0±0.15
12.0±0.15
12.0±0.15
24.0±0.15
E
1.75±0.10
1.75±0.10
1.75±0.10
1.75±0.10
1.75±0.10
1.75±0.10
F
3.5±0.10
5.5±0.10
5.5±0.10
5.5±0.10
5.5±0.10
11.5±0.10
T1
0.90±0.10
1.10±0.10
1.08±0.10
1.70±0.10
1.20±0.10
1.70±0.10
T2
0.20±0.05
0.23±0.05
0.24±0.05
0.25±0.05
P
4.0±0.10
4.0±0.10
8.0±0.10
8.0±0.10
P0
4.0±0.10
4.0±0.10
4.0±0.10
4.0±0.10
4.0±0.10
4.0±0.10
10 X P0
40.0±0.20
40.0±0.20
40.0±0.20
40.0±0.20
40.0±0.20
40.0±0.20
P1
2.0±0.10
2.0±0.10
2.0±0.10
2.0±0.10
2.0±0.10
2.0±0.10
0.25±0.05 12.0±0.10
0.30±0.10 12.0±0.10
11.80±0.10 7.20±0.10
Packaging Quantity
Type
Tape Width
4 mm Pitch
4000 pcs
2000 pcs
Packaging Quantity (pcs / reel)
Emboss Plastic Type
8 mm Pitch
2000 pcs
1000 pcs
1000 pcs
500 pcs
12 mm Pitch
MLR1206
MLR2010
MLR2512
MLR2725
MLR2728
MLR4527
8 mm
12 mm
12 mm
12 mm
12 mm
24 mm
Reel Dimensions
Reel Type/ Tape
7” reel for 8 mm tape
7” reel for 12 mm tape
7” reel for 24 mm tape
W
12.0 ± 0.5
16.2 ± 0.5
24.4 + 2/-0
M
178 ± 1.0
A
2.0 ± 0.5
2.5 ± 0.5
2.0 ± 0.5
B
13.2 ± 0.5
13.5 ± 0.5
13.2 ± 0.5
C
17.7 ± 0.5
Unit: mm
D
60.0 ± 0.5
60.0 ± 0.5
60.0 ± 0.5
Rev. 7
PCB设计
