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
-10-
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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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
-11-
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
-12-
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
-13-
