ERA 2A
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.
Metal 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
Metal Film
Chip Resistors
Product Code Size, Power Rating
Type: inches Power Rating
0.063 W
0.1 W
0.125 W
0.25 W
Temperature Coefficient
Code
R
P
E
H
K
±1010
–6
/°C (ppm/°C)
±1510
–6
/°C (ppm/°C)
±2510
–6
/°C (ppm/°C)
±5010
–6
/°C (ppm/°C)
±10010
–6
/°C (ppm/°C)
Resistance Tolerance
Code
W
B
D
Tolerance
±0.05 %
±0.1 %
±0.5 %
Resistance Value
The first two digits are significant figures of resistance
and the third one denotes number of zeros following.
(ex.) 102:1k
Packaging Methods
Code
X
V
Packaging Type
T.C.R.
2A : 0402
3A : 0603
6A : 0805
8A : 1206
Punched Carrier
Taping (2 mm pitch)
Punched Carrier
Taping (4 mm pitch)
ERA2A
ERA3A
ERA6A
ERA8A
a
b
t
W
L
Metal Film Chip Resistors,
High Reliability Type
0402, 0603, 0805, 1206
Typ e:
ERA 2A, 3A, 6A, 8A
■ Features
●
High reliability
...............
Stable at high temperature and humidity
(85 °C 85 %RH rated load, Category temperature range : –55 to +155 °C)
●
High accuracy
..............
Small resistance tolerance and Temperature Coeffi cient of Resistance
●
High performance
.........
Low current noise, excellent non-linearity
●
Reference Standard
......
IEC 60115-8, JIS C 5201-8, EIAJ RC-2133A
■ Explanation of Part Numbers
■ Dimensions in mm (not to scale)■ Construction
Protective coating
Alumina substrate
Electrode (Inner)
Electrode
(Between)
High reliability
metal film
Electrode (Outer)
Type
(inches)
Dimensions (mm)
Mass (Weight)
[g/1000 pcs.]
LWa b t
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
±0.10
0.50
±0.25
0.50
±0.25
0.60
±0.10
8
–0.05
Mar. 2009
Metal Film Chip Resistors, High Reliability 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.
FE
W
P
1
P
2
P
0
T
A
B
Tape running directionChip component
Sprocket hole Compartment
φD
0
φC
φA
φB
W
T
–40 –20 0 20 40 60 80 100 120 140 160
0
180–60
85 °C
–55 °C
20
40
60
80
100
Rated Load (%)
Ambient Temperature (°C)
155 °C
(1) Rated Co ntinuous Working Voltage (RCWV) shall be de ter mined from RCWV=
Rated Power
Re sis tance Values, or Limiting Element Voltage
(max. RCWV) list ed above, whichever less.
(2) Overload (Short-time Overload) Test Voltage (SOTV) shall be de termined from SOTV=2.5
Power Rating or max. Over load Volt age list ed above
which ev er less.
(3) E96 series resistance values are also available. Please contact us for details.
■ Ratings
Power Derating Curve
For resistors operated in ambient temperatures above
85 °C, power rating shall be derated in ac cor dance
with the fi gure on the right.
■ Packaging Methods (Taping)
● Standard Quantity
Typ e Kin d o f Taping Pi tch (P
1
)Quantity
ERA2A
Punched Carrier Taping
2 mm 10000 pcs./reel
ERA3A, 6A, 8A
4 mm 5000 pcs./reel
● Taping Reel● Carrier Taping
Typ e
(inches)
Power
Rating
at 85 °C
(W)
Limiting Element
Voltage (Maximum
RCWV)
(1)
(V)
Maximum
Overload
Voltage
(2)
(V)
Typ e
(detail)
Resistance
Tol e rance
(%)
T.C.R .
[10
–6
/°C
(ppm/ °C)]
Resistance
Range
(3)
()
Category Temperature
Range (Operating
Temp e r ature R a n g e)
(°C)
ERA2A
(0402)
0.063 25 50
ERA2AKD ±0.5 ±100
10 to 43 (E24)
–55 to +155
ERA2AED ±0.5
±25
47 to 100 k (E24)
ERA2AEB ±0.1
ERA3A
(0603)
0.1 75 150
ERA3AHD ±0.5 ±50
10 to 43 (E24)
ERA3AED ±0.5
±25
47 to 330 k (E24)
ERA3AEB ±0.1
ERA6A
(0805)
0.125 100 200
ERA6AHD ±0.5 ±50
10 to 43 (E24)
ERA6AED ±0.5
±25
47 to 1 M (E24)
ERA6AEB ±0.1
ERA6APB ±0.1 ±15
470 to 100 k (E24)
ERA6ARB ±0.1
±10
1 k to 100 k (E24)
ERA6ARW ±0.05
ERA8A
(1206 )
0.25 150 300
ERA8AHD ±0.5 ±50
10 to 43 (E24)
ERA8AED ±0.5
±25
47 to 1 M (E24)
ERA8AEB ±0.1
Dimensions
(mm)
Typ e A B W F E
2A
0.67
±0.05
1.17
±0.05
8.00
±0.20
3.50
±0.05
1.75
±0.10
3A
1.10
±0.10
1.90
±0.10
6A
1.65
±0.15
2.50
±0.20
8A
2.00
±0.15
3.60
±0.20
Dimensions
(mm)
形式
P
1
P
2
P
0
φ
D
0
T
2A
2.00
±0.10
2.00
±0.05
4.00
±0.10
1.50
+0.10
0.52
±0.05
3A
4.00
±0.10
0.70
±0.05
6A, 8A
0.84
±0.05
–0
Dimensions
(mm)
φ
A
φ
B
φ
C
180.0
+0
60 min. 13.0
±1.0
–3.0
Dimensions
(mm)
WT
9.0
±1.0
11.4
±1.0
Feb. 2009
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