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.
Metal Film (Thin Film) Chip Resistors, High Reliability Type
E
1
R
2
A
3
3
4
A
5
E
6
B
7
1
8
0
9
2
10
V
11
Inch
0201
0402
0603
0805
1206
Metal Film
Chip Resistors
Product Code Size, Power Rating
Code Power Rating
0.05 W
0.063 W
0.1 W
0.125 W
0.25 W
Temperature Coefficient
Code
R
P
E
H
K
±10×10–6/°C
±15×10–6/°C
±25×10–6/°C
±50×10–6/°C
±100×10–6/°C
Resistance Tolerance
Code
W
B
C
D
Tolerance
±0.05 %
±0.1 %
±0.25 %
±0.5 %
Resistance Value
Consist of three figures for E24 series resistance value.
The first two digits are significant figures of resistance
and the third one denotes number of zeros following.
(example) 102 : 1k Ω
Packaging Methods
Code
C
X
V
Packaging Part No.
T.C.R.
1A
2A
3A
6A
8A
Punched Carrier Taping
2 mm pitch, 10000 pcs.
Punched CarrierTaping
4 mm pitch, 5000 pcs.
ERA2A
Pressed Carrier Taping
2 mm pitch, 15000 pcs. ERA1A
ERA3A
ERA6A
ERA8A
E
1
R
2
A
3
3
4
A
5
E
6
B
7
1
8
0
9
1
11
V
12
Metal Film
Chip Resistors
Product Code Size, Power Rating
Code Power Rating
0.05 W
0.063 W
0.1 W
0.125 W
0.25 W
Temperature Coefficient
Code
R
P
E
H
K
±10×10–6/°C
±15×10–6/°C
±25×10–6/°C
±50×10–6/°C
±100×10–6/°C
Resistance Tolerance
Code
W
B
C
D
Tolerance
±0.05 %
±0.1 %
±0.25 %
±0.5 %
Resistance Value
Consist of four figures for E96 series resistance value.
The first three digits are significant figures of resistance
and the fourth one denotes number of zeros following.
(example) 1051 : 1.05k Ω
T.C.R.
1A
2A
3A
6A
8A
5
10
Packaging Methods
Code
C
X
V
Packaging Part No.
Punched Carrier Taping
2 mm pitch, 10000 pcs.
Punched CarrierTaping
4 mm pitch, 5000 pcs.
ERA2A
Pressed Carrier Taping
2 mm pitch, 15000 pcs. ERA1A
ERA3A
ERA6A
ERA8A
Inch
0201
0402
0603
0805
1206
Metal Film (Thin Film) Chip Resistors,
High Reliability Type
Type: ERA 1A, 2A, 3A, 6A, 8A
Explanation of Part Numbers
Features
● High reliability ................ Stable at high temperature and humidity
(85 °C 85 %RH rated load, Category temperature range : –55 °C to +155 °C)
● High accuracy ............... Small resistance tolerance and Temperature Coeffi cient of Resistance
● High performance ......... Low current noise, excellent linearity
● Reference Standard ...... IEC 60115-8, JIS C 5201-8, EIAJ RC-2133B
● AEC-Q200 qualifi ed
● RoHS compliant
■ As for Packaging Methods, Land Pattern, Soldering Conditions and Safety Precautions,
Please see Data Files
● E24 Series
● E96 Series and other Resistance values
note : Duplicated resistance values as E24 series part
numbers shall follow E24 part numbers.
(apply three digit resistance value)
Feb. 201610
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.
Metal Film (Thin Film) Chip Resistors, High Reliability Type
a
b
t
W
L
Construction Dimensions in mm (not to scale)
Ratings
(1)
Rated Continuous Working Voltage (RCWV) shall be de ter mined from RCWV=√Rated Power × Re sis tance Values, or Limiting Element Voltage list ed above, whichever less.
(2) Overload (Short-time Overload) Test Voltage (SOTV) shall be de termined from SOTV=2.5 × RCWV or max. Over load Volt age list ed above which ev er less.
(3) E192 series resistance values are also available. Please contact us for details.
(4) Duplicated resistance values between E96, E192 and E24 series shall follow E24 Part Numbers. (apply three digit resistance value)
Part No.
(inch size)
Power Rating
at 85 °C
(W)
Limiting Element
Voltage(1)
(V)
Maximum
Overload Voltage
(
2)
(V)
Part No.
(detail)
Resistance
Tolerance
(%)
T.C.R.
(×10–6/°C)
Resistance
Range
(3)(4)
(Ω)
Category
Temperature Range
(°C)
ERA1A
(0201) 0.05 25 50
ERA1AEB ±0.1 ±25
100 to 10k (E24, E96)
–55 to +155
ERA1AEC ±0.25
ERA1ARC ±0.25
±10
100 to 10k (E24, E96)
ERA1ARB ±0.1
ERA1ARW ±0.05
1k to 10k (E24, E96)
ERA2A
(0402) 0.063 50 100
ERA2AKD ±0.5 ±100
10 to 46.4 (E24, E96)
ERA2AED ±0.5
±25
47 to 100k (E24, E96)
ERA2AEC ±0.25
ERA2AEB ±0.1
ERA2APC ±0.25 ±15
200 to 47k (E24, E96)
ERA2APB ±0.1
ERA2ARC ±0.25 ±10
200 to 47k (E24, E96)
ERA2ARB ±0.1
ERA3A
(0603) 0.1 75 150
ERA3AHD ±0.5 ±50
10 to 46.4 (E24, E96)
ERA3AED ±0.5
±25
47 to 330k (E24, E96)
ERA3AEC ±0.25
ERA3AEB ±0.1
ERA3APC ±0.25 ±15
470 to 100k (E24, E96)
ERA3APB ±0.1
ERA3ARC ±0.25
±10
1k to 100k (E24, E96)
ERA3ARB ±0.1
ERA3ARW ±0.05
ERA6A
(0805) 0.125 100 200
ERA6AHD ±0.5 ±50
10 to 46.4 (E24, E96)
ERA6AED ±0.5
±25
47 to 1M (E24, E96)
ERA6AEC ±0.25
ERA6AEB ±0.1
ERA6APC ±0.25 ±15
470 to 100k (E24, E96)
ERA6APB ±0.1
ERA6ARC ±0.25
±10
1k to 100k (E24, E96)
ERA6ARB ±0.1
ERA6ARW ±0.05
ERA8A
(1206) 0.25 150 300
ERA8AHD ±0.5 ±50
10 to 46.4 (E24, E96)
ERA8AED ±0.5
±25
47 to 1M (E24, E96)
ERA8AEC ±0.25
ERA8AEB ±0.1
ERA8APC ±0.25 ±15
470 to 100k (E24, E96)
ERA8APB ±0.1
ERA8ARC ±0.25
±10
1k to 100k (E24, E96)
ERA8ARB ±0.1
ERA8ARW ±0.05
Protective coating
Alumina substrate
Electrode (Inner)
Electrode
(Between)
High reliability
metal film Electrode (Outer)
Part No.
(inch size)
Dimensions (mm)
Mass (Weight)
[g/1000 pcs.]
LWa b t
ERA1A (0201) 0.60±0.03 0.30±0.03 0.15±0.05 0.15±0.05 0.23±0.03 0.14
ERA2A (0402) 1.00±0.10 0.50+0.10 0.15±0.10 0.25±0.10 0.35±0.05 0.6
ERA3A (0603) 1.60±0.20 0.80±0.20 0.30±0.20 0.30±0.20 0.45±0.10 2
ERA6A (0805) 2.00±0.20 1.25±0.10 0.40±0.25 0.40±0.25 0.50±0.10 4
ERA8A (1206) 3.20±0.20 1.60+0.05 0.50±0.25 0.50±0.25 0.60±0.10 8
–0.05
–0.15
Feb. 201610
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.
Metal Film (Thin Film) Chip Resistors, High Reliability Type
–40 –20 0 20 40 60 80 100 120 140 160
0180–60
85 °C
–55 °C
20
40
60
80
100
Rated Load (%)
Ambient Temperature (°C)
155 °C
Power Derating Curve
For resistors operated in ambient temperatures above
85 °C, power rating shall be derated in accordance
with the figure on the right.
Feb. 201610
