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.
Thick Film Chip Resistors / Low Resistance Type
E
1
R
2
J
3
2
4
B
5 6
W
7
G
8
R
9
0
10
4
11
7
12
X
Thick Film
Chip Resistors
Product Code
Resistance Tolerance
Code
F
G
J
Tolerance
± 1 %
± 2 %
± 5 %
Shown by 4 digits or letters.
(Ex.) R047 : 0.047 Ω=47 mΩ
Resistance Value Packaging Methods
Code Packaging Part No.
X
Pressed Carrier Taping
2 mm pitch, 10,000 pcs.
ERJ3LW
ERJ3BW
ERJ6BW
ERJ8BW
ERJ8CW
ERJ2LW
ERJ2BW
V
Punched Carrier Taping
4 mm pitch, 5,000 pcs.
Code Inch
2LW
3LW
2BW
3BW
6BW
8BW
8CW
0402
0603
0402
0603
0805
1206
1206
0.2 W
0.25 W
0.25 W
0.33 W
0.5 W
1 W
1 W
Power Rating
Resistance Value
10 mΩ
5 mΩ,10 mΩ
47 mΩ to 100 mΩ
20 mΩ to 100 mΩ
10 mΩ to 100 mΩ
10 mΩ to 100 mΩ
10 mΩ to 50 mΩ
Explanation of Part Numbers
■ As for Packaging Methods, Land Pattern, Soldering Conditions and Safety Precautions,
Please see Data Files
Thick Film Chip Resistors / Low Resistance Type
Type: ERJ 2LW, 3LW
2BW, 3BW, 6BW,
8BW, 8CW
ERJ 2B, 3B, 6B, 8B, 14B,
3R, 6R, 8R, 14R,
12R, 12Z, 1TR
ERJ L03, L06, L08, L14,
L12, L1D, L1W
● Current Sensing resistor
● Small size and lightweight
● High reliability : Metal glaze thick fi lm resistive element and three layers of electrodes
● Suitable for both refl ow and fl ow sol der ing
● Improved high-power/resistance to pulse characteristics
by double-sided resistive elements structure : ERJ2LW, 3LW ,2BW, 3BW, 6BW, 8BW, 8CW
● Low TCR : ±50×10–6/°C (ERJ8CW)
● Low Resistance Value
5 mΩ, 10 mΩ : ERJ3LW
10 mΩ : ERJ2LW
10 mΩ to 50 mΩ : ERJ8CW
10 mΩ to 100 mΩ : ERJ6BW, 8BW
20 mΩ to 100 mΩ : ERJ3BW, ERJL14, L12
40 mΩ to 100 mΩ : ERJL1D, L1W
47 mΩ to 100 mΩ : ERJ2BW, ERJL03, L06, L08
● Reference Standards : IEC 60115-8, JIS C 5201-8, JEITA RC-2144
● AEC-Q200 qualifi ed
● RoHS compliant
Features
●
ERJ2LW, 3LW, 2BW, 3BW, 6BW, 8BW, 8CW <High power (double-sided resistive elements structure) type>
Oct. 201408
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.
Thick Film Chip Resistors / Low Resistance Type
E
1
R
2
J
3
L
4
1
5
4
6
K
7
J
8
5
9
0
10
M
11
U
12
Thick Film
Chip Resistors
Product Code Size, Power Rating
Type Inch
0.2 W
0.25 W
0.33 W
0.33 W
0.5 W
0.5 W
1 W
Power R.
Code
K
U
Resistance Tolerance
Code
F
J
Tolerance
± 1 %
± 5 %
Shown by 3 digits or letters.
(Ex.) 50 M:50 mΩ, 10 C:100 mΩ
Resistance Value
Packaging Methods
Code
V
U
Packaging Part No.
Punched Carrier Taping
4 mm pitch, 5,000 pcs.
Embossed Carrier Taping
4 mm pitch, 5,000 pcs.
Embossed Carrier Taping
4 mm pitch, 3,000 pcs.
ERJL03
ERJL06
ERJL08
ERJL14
ERJL12
ERJL1D
ERJL1W
Std.
20 mΩ to 100 mΩ
Res. Value
L03
L06
L08
L14
L12
L1D
L1W
20 mΩ, 22 mΩ, 33 mΩ,
39 mΩ, 47 mΩ, 50 mΩ,
100 mΩ
( )
✽
✽
✽ L03, L06, L08 : 47 mΩ to 100 mΩ
L1D, L1W : 40 mΩ to 100 mΩ
0603
0805
1206
1210
1812
2010
2512
E
1
R
2
J
3
8
4
R
5 6
Q
7
F
8
R
9
2
10
2
11
V
Thick Film
Chip Resistors
Product Code Size, Power Rating
Type
0.166 W
0.1 W
0.25 W
0.125 W
0.33 W
0.25 W
0.5 W
0.25 W
0.5 W
0.5 W
0.5 W
1 W
Power R.
Resistance Value
Code
S
Q
0.1 Ω to 0.2 Ω
0.22 Ω to 9.1 Ω✽
Resistance Tolerance
Code
F
G
J
Tolerance
± 1 %
± 2 %
± 5 %
Shown by 3 digits or letters.
(Ex.) R22 : 0.22 Ω
Resistance Value
Packaging Methods
Code Packaging Part No.
Punched Carrier Taping
4 mm pitch, 5,000 pcs.
Embossed Carrier Taping
4 mm pitch, 5,000 pcs.
2B
3R
3B
6R
6B
8R
8B
14R
14B
12R
12Z
1TR
Res. Value
V
X
U
Punched Carrier Taping
2 mm pitch, 10,000 pcs.
Embossed Carrier Taping
4 mm pitch, 4,000 pcs.
ERJ2B
ERJ3R/3B
ERJ6R/6B
ERJ8R/8B
ERJ14R/14B
ERJ12R
ERJ12Z
ERJ1TR
✽ 2B : 0.22 Ω to 1.0 Ω
Inch
0402
0603
0603
0805
0805
1206
1206
1210
1210
1812
2010
2512
● ERJL03, L06, L08, L14, L12, L1D, L1W <Low TCR type>
<High power (double-sided resistive elements structure) type>
(1) Please contact us when resistors of irregular series are needed.
Part No.
(inch size)
Power Rating
at 70 °C
(W)
Resistance
Tolerance
(%)
Resistance (1)
Range
(Ω)
T.C.R.
(×10–6/°C)
Category
Temperature Range
(°C)
ERJ2LW (0402) 0.2 ±1, ±2, ±5 10 m 0 to 500 –55 to +125
ERJ3LW (0603) 0.25 ±1, ±2, ±5 5 m 0 to 700 –55 to +125
10 m 0 to 300 –55 to +125
ERJ2BW (0402) 0.25 ±1, ±2, ±5 47 m to 100 m (E24) ±300 –55 to +155
ERJ3BW (0603) 0.33 ±1, ±2, ±5 20 m to 100 m (E24) R<39m Ω : ±250
R>39m Ω : ±150 –55 to +155
ERJ6BW (0805) 0.5 ±1, ±2, ±5 10 m to 100 m (E24) R<15m Ω : ±300
R>15m Ω : ±200 –55 to +155
ERJ8BW (1206) 1 ±1, ±2, ±5 10 m to 100 m (E24)
10 mΩ < R < 20 mΩ : ±200
20 mΩ < R < 47 mΩ : ±150
47 mΩ < R < 100 mΩ : ±100
–55 to +155
ERJ8CW (1206) 1 ±1, ±2, ±5 10 m to 50 m (E24) ±50
–55 to +155 (10 m to 33 mΩ)
–55 to +125 (36 m to 50 mΩ)
●
ERJ2BS/2BQ, 3BS/3BQ, 6BS/6BQ, 8BS/8BQ, 14BS/14BQ, 3R, 6R, 8R, 14R, 12R, 12Z, 1TR <High power type/Standard type>
Ratings
Nov. 201409
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.
Thick Film Chip Resistors / Low Resistance Type
Part No.
(inch size)
Power Rating
at 70 °C
(W)
Resistance
Tolerance
(%)
Resistance (1)
Range
(Ω)
T.C.R.
(×10–6/°C)
Category
Temperature Range
(°C)
ERJ2BS (0402) 0.166 ±1, ±2, ±5 0.10 to 0.20 (E24) ±300 –55 to +125
ERJ2BQ (0402) 0.22 to 1.0 (E24) ±250
ERJ3BS (0603)
0.25 ±1, ±2, ±5
0.10 to 0.20 (E24) ±300 –55 to +125
ERJ3BQ (0603) 0.22 to 0.91 (E24)
1.0 to 9.1 (E24) ±200
ERJ6BS (0805)
0.33 ±1, ±2, ±5
0.10 to 0.20 (E24) ±250 –55 to +125
ERJ6BQ (0805) 0.22 to 0.91 (E24)
1.0 to 9.1 (E24) ±200
ERJ8BS (1206)
0.5 ±1, ±2, ±5
0.10 to 0.20 (E24) ±250 –55 to +125
ERJ8BQ (1206) 0.22 to 0.91 (E24)
1.0 to 9.1 (E24) ±200
ERJ14BS (1210)
0.5 ±1, ±2, ±5
0.10 to 0.20 (E24) ±200 –55 to +125
ERJ14BQ (1210) 0.22 to 0.91 (E24)
1.0 to 9.1 (E24) ±100
Part No.
(inch size)
Power Rating
at 70 °C
(W)
Resistance
Tolerance
(%)
Resistance
Range
(Ω)
T.C.R.
(×10–6/°C)
Category
Temperature Range
(°C)
ERJ3RS (0603)
0.1 ±1, ±2, ±5
0.10 to 0.20 (E24) ±300 –55 to +125
ERJ3RQ (0603) 0.22 to 0.91 (E24)
1.0 to 9.1 (E24) ±200
ERJ6RS (0805)
0.125 ±1, ±2, ±5
0.10 to 0.20 (E24) ±250 –55 to +125
ERJ6RQ (0805) 0.22 to 0.91 (E24)
1.0 to 9.1 (E24) ±200
ERJ8RS (1206)
0.25 ±1, ±2, ±5
0.10 to 0.20 (E24) ±250 –55 to +125
ERJ8RQ (1206) 0.22 to 0.91 (E24)
1.0 to 9.1 (E24) ±200
ERJ14RS (1210)
0.25 ±1, ±2, ±5
0.10 to 0.20 (E24) ±200 –55 to +125
ERJ14RQ (1210) 0.22 to 0.91 (E24)
1.0 to 9.1 (E24) ±100
ERJ12RS (1812)
0.5 ±1, ±2, ±5
0.10 to 0.20 (E24) ±200 –55 to +125
ERJ12RQ (1812) 0.22 to 0.91 (E24)
1.0 to 9.1 (E24) ±100
ERJ12ZS (2010)
0.5 ±1, ±2, ±5
0.10 to 0.20 (E24) ±200 –55 to +125
ERJ12ZQ (2010) 0.22 to 0.91 (E24)
1.0 to 9.1 (E24) ±100
ERJ1TRS (2512)
1 ±1, ±2, ±5
0.10 to 0.20 (E24) ±200 –55 to +125
ERJ1TRQ (2512) 0.22 to 0.91 (E24)
1.0 to 9.1 (E24) ±100
<Standard type>
(1) Please contact us when resistors of irregular series are needed.
<High power type>
Ratings
Part No.
(inch size)
Power Rating
at 70 °C
(W)
Resistance
Tolerance
(%)
Resistance (1)
Range
(Ω)
T.C.R.
(×10–6/°C)
Category
Temperature Range
(°C)
ERJL03 (0603) 0.2 ±1, ±5 47 m to 100 m ±200 –55 to +125
ERJL06 (0805) 0.25 ±1, ±5 47 m to 100 m ±100 –55 to +125
ERJL08 (1206) 0.33 ±1, ±5 47 m to 100 m ±100 –55 to +125
ERJL14 (1210) 0.33 ±1, ±5 20 m to 100 m
R<47 mΩ : ±300
R>47 mΩ : ±100
–55 to +125
ERJL12 (1812) 0.5 ±1, ±5 20 m to 100 m –55 to +125
ERJL1D (2010) 0.5 ±1, ±5 40 m to 100 m –55 to +125
ERJL1W (2512) 1 ±1, ±5 40 m to 100 m –55 to +125
<Low TCR type>
(1) Standard R.V. : 20 mΩ, 22 mΩ, 33 mΩ, 39 mΩ, 47 mΩ, 50 mΩ, 100 mΩ, Custom R.V. : Each 1 mΩ within upper range.
Nov. 201409
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.
Thick Film Chip Resistors / Low Resistance Type
–40 –20 0 20 40 60 80 100 120 140 160
0
180–60
155 °C
70 °C
Ambient Temperature (°C)
20
40
60
80
100
Rated Load (%)
–55 °C
2BW, 3BW
6BW, 8BW
125 °C
Protective coating
Alumina
substrate
Electrode (Inner)
Electrode
(Between)
Electrode (Outer)
Thick film
resistive element
a
b
t
W
L
Power Derating Curve
For resistors operated in ambient temperatures above
70 °C, power rating shall be derated in accordance
with the figure below.
Part No.
(inch size)
Dimensions (mm)
Mass(Weight)
[g/1000 pcs.]
LWa b t
ERJ2LW
(0402)
1.00±0.10 0.50+0.10 0.25±0.10 0.25±0.10 0.40±0.05
0.8
ERJ2BW
(0402)
1.00±0.10 0.50+0.10 0.24±0.10 0.24±0.10 0.35±0.05
0.8
ERJ2BS (0402)
ERJ2BQ
1.00±0.10 0.50+0.10 0.20±0.10 0.27±0.10 0.35±0.05
0.8
ERJ3LW (0603)
(5 mΩ)
1.60±0.15 0.80±0.15 0.50±0.20 0.50±0.20 0.55±010
3
ERJ3LW
(10 mΩ) (0603)
ERJ3BW
1.60±0.15 0.80±0.15 0.40±0.20 0.40±0.20 0.55±010
3
ERJ3R
ERJ3B (0603)
ERJL03
1.60±0.15 0.80+0.15 0.30±0.20 0.30±0.15 0.45±0.10
2
ERJ6BW (0805)
2.00±0.20 1.25±0.20 0.55±0.20 0.55±0.20 0.65±0.10
6
ERJ6R
ERJ6B (0805)
ERJL06
2.00±0.20 1.25±0.10 0.40±0.20 0.40±0.20 0.60±0.10
4
ERJ8BW (1206)
3.20±0.20 1.60±0.20 1.00±0.20 1.00±0.20 0.65±0.10
13
ERJ8CW
(10 to 16 mΩ)
3.20±0.20 1.60±0.20 1.10±0.20 1.10±0.20 0.65±0.10
13
ERJ8CW
(18 to 50 mΩ)
3.20±0.20 1.60±0.20 0.60±0.20 0.60±0.20 0.65±0.10
13
ERJ8R
ERJ8B (1206)
ERJL08
3.20+0.05 1.60+0.05 0.50±0.20 0.50±0.20 0.60±0.10
10
ERJ14R
ERJ14B (1210)
ERJL14
3.20±0.20 2.50±0.20 0.50±0.20 0.50±0.20 0.60±0.10
16
ERJ12R (1812)
ERJL12
4.50±0.20 3.20±0.20 0.50±0.20 0.50±0.20 0.60±0.10
27
ERJ12Z (2010)
ERJL1D
5.00±0.20 2.50±0.20 0.60±0.20 0.60±0.20 0.60±0.10
27
ERJ1TR (2512)
ERJL1W
6.40±0.20 3.20±0.20 0.65±0.20 0.60±0.20 0.60±0.10
45
6.40±0.20 3.20±0.20 0.65±0.20 1.30±0.20 1.10±0.10
79
–0.20 –0.15
–0.05
–0.05
–0.05
–0.05
Dimensions in mm (not to scale)
Construction
Nov. 201409
