Thick Film Chip Resistors / Low Resistance Type
Design and specifi cations are each subject to change without notice. Ask factory for the current technical specifi cations before purchase and/or use.
Should a safety concern arise regarding this product, please be sure to contact us immediately.
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Thick Film
Chip Resistors
Product Code Size, Power Rating
Type: inch
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 ? to 0.2 ?
0.22 ? to 9.1 ?=
Resistance Tolerance
Code
F
G
J
Tolerance
± 1 %
± 2 %
± 5 %
Shown by 3 digits or letters.
(Ex.) R22 : 0.22 ?
Resistance Value
Packaging Methods
Code Packaging Type
Punched Carrier Taping
4 mm pitch, 5,000 pcs.
Embossed Carrier Taping
4 mm pitch, 5,000 pcs.
2B : 0402
3R : 0603
3B : 0603
6R : 0805
6B : 0805
8R : 1206
8B : 1206
14R : 1210
14B : 1210
12R : 1812
12Z : 2010
1TR : 2512
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 ? to 1.0 ?
Thick Film Chip Resistors / Low Resistance Type
ERJ R, B : 0402, 0603, 0805, 1206, 1210, 1812, 2010, 2512
ERJ BW, CW : 0402, 0603, 0805, 1206
ERJ L : 0603, 0805, 1206, 1210, 1812, 2010, 2512
■ Features
● 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 : ERJ2BW, 3BW, 6BW, 8BW, 8CW Type
● Low TCR : ±50×10–6/°C (ERJ8CW)
● Low Resistance Value
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
● RoHS compliant
■ Explanation of Part Numbers
●
ERJ2BS/2BQ, 3BS/3BQ, 6BS/6BQ, 8BS/8BQ, 14BS/14BQ, 3R, 6R, 8R, 14R, 12R, 12Z, 1TR Series High power type/Standard type
Type:
ERJ 2B, 3B, 6B, 8B, 14B, 3R,
6R, 8R, 14R, 12R, 12Z, 1TR
ERJ 2BW, 3BW, 6BW, 8BW, 8CW
ERJ L03, L06, L08, L14, L12,
L1D, L1W
■ Packaging Methods, Land Pattern, Soldering Conditions and Safety Precautions
Please see Data Files
Aug. 201204
Design and specifi cations are each subject to change without notice. Ask factory for the current technical specifi cations 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
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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 m?, 10 C:100 m?
Resistance Value
Packaging Methods
Code
V
U
Packaging Type
Punched Carrier Taping
4 mm pitch, 5,000 pcs.
Embossed Carrier Taping
4 mm pitch, 5,000 pcs.
Embossed Carrier Taping
4 mm pitch, 4,000 pcs.
ERJL03
ERJL06
ERJL08
ERJL14
ERJL12
ERJL1D
ERJL1W
Std.
20 m? to 100 m?
Res. Value
L03 : 0603
L06 : 0805
L08 : 1206
L14 : 1210
L12 : 1812
L1D : 2010
L1W : 2512
20 m?, 22 m?, 33 m?,
39 m?, 47 m?, 50 m?,
100 m?
( )
=
=
= L03, L06, L08 : 47 m? to 100 m?
L1D, L1W : 40 m? to 100 m?
Protective coating
Alumina
substrate
Electrode (Inner)
Electrode
(Between)
Electrode (Outer)
Thick film
resistive element
a
b
t
W
L
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3
2
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4
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8
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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 ?=47 m?
Resistance Value Packaging Methods
Code Packaging Type
X
Pressed Carrier Taping
2 mm pitch, 10,000 pcs.
ERJ2BW
ERJ3BW
ERJ6BW
ERJ8BW
ERJ8CW
V
Punched Carrier Taping
4 mm pitch, 5,000 pcs.
Code Size:inch
2BW
3BW
6BW
8BW
8CW
0402
0603
0805
1206
1206
0.25 W
0.25 W
0.5 W
1 W
1 W
Power Rating
Resistance Value
47 m? to 100 m?
20 m? to 100 m?
10 m? to 100 m?
10 m? to 100 m?
10 m? to 50 m?
● ERJL03, L06, L08, L14, L12, L1D, L1W S eries Low TCR type
Type
(inch size)
Dimensions (mm)
Mass(Weight)
[g/1000 pcs.]
LWa b t
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
ERJ3BW
(0603) 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
■ Construction
■ Dimensions in mm (not to scale)
● ERJ2BW, 3BW, 6BW, 8BW, 8CW Series <High power (double-sided resistive elements structure) type>
Aug. 201204
Thick Film Chip Resistors / Low Resistance Type
Design and specifi cations are each subject to change without notice. Ask factory for the current technical specifi cations before purchase and/or use.
Should a safety concern arise regarding this product, please be sure to contact us immediately.
Type (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
Type (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 ~ +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>
Type (inch size)
Power Rating
at 70 °C
(W)
Resistance
Tolerance
(%)
Resistance (1)
Range
(Ω)
T.C.R.
(×10–6/°C)
Category
Temperature Range
(°C)
ERJ2BW (0402) 0.25 ±1, ±2, ±5 47 m to 100 m(E24) ±300 –55 to +155
ERJ3BW (0603) 0.25 ±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 +125
<High power (double-sided resistive elements structure) type>
■ Ratings
(1) Please contact us when resistors of irregular series are needed.
<High power type>
(1) Please contact us when resistors of irregular series are needed.
Aug. 201204
Design and specifi cations are each subject to change without notice. Ask factory for the current technical specifi cations 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
2B, 3R, 3B, 6R, 6B, 8R, 8B, 8CW
14R, 14B, 12R, 12Z, 1TR,
L03, L06, L08, L14, L12, L1D, L1W
2BW, 3BW
6BW, 8BW
125 °C
Type (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.
Power Derating Curve
For resistors operated in ambient temperatures above
70 °C, power rating shall be derated in accordance
with the fi gure on the right.
■ Ratings
Aug. 201204
