Metal Film Chip Resistors, High Reliability Type
Metal Film Chip Resistors,
High Reliability Type
0402, 0603, 0805, 1206
Type:
ERA 2A, 3A, 6A, 8A
■ Features
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High reliability
Stable at high temperature and humidity
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(85 °C 85 %RH rated load, Category temperature range : –55 to +155 °C)
Small resistance tolerance and Temperature Coefficient of Resistance
Low current noise, excellent non-linearity
High accuracy
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High performance
Reference Standard
IEC 60115-8, JIS C 5201-8, EIAJ RC-2133A
■ Explanation of Part Numbers
1
2
3
4
5
6
7
8
9
10
11
E
R
A
3
A
E
B
1
0
2
V
Product Code
Size, Power Rating
Type: inches Power Rating
Resistance Tolerance
Packaging Methods
Packaging
Temperature Coefficient
Code
W
B
Tolerance
0.05 %
0.1 %
Type
Metal Film
Chip Resistors
Code
T.C.R.
Code
10ꢀ10–6/°C (ppm/°C)
15ꢀ10–6/°C (ppm/°C)
25ꢀ10–6/°C (ppm/°C)
50ꢀ10–6/°C (ppm/°C)
100ꢀ10–6/°C (ppm/°C)
0.063 W
2A : 0402
R
P
E
H
K
Punched Carrier
Taping (2 mm pitch)
ERA2A
X
0.1 W
3A : 0603
ERA3A
ERA6A
ERA8A
0.125 W
D
0.5 %
6A : 0805
Punched Carrier
Taping (4 mm pitch)
V
0.25 W
8A : 1206
Resistance Value
The first two digits are significant figures of resistance
and the third one denotes number of zeros following.
(ex.) 102 : 1 kꢁ
■ Construction
■ Dimensions in mm (not to scale)
L
Protective coating
a
Electrode (Inner)
Alumina substrate
W
t
b
Electrode
(Between)
Dimensions (mm)
Type
Mass (Weight)
[g/1000pcs.]
(inches)
L
W
a
0.50+–0.1005 0.15
0.20
b
t
0.10
0.20
0.20
0.20
0.10
0.20
0.25
0.25
0.10
0.20
0.25
0.25
0.05
0.10
0.10
0.10
ERA2A
(0402)
1.00
0.25
0.35
0.6
2
ERA3A
(0603)
1.60
2.00
3.20
0.80
1.25
1.60
0.30
0.40
0.50
0.30
0.40
0.50
0.45
0.50
0.60
High reliability
metal film
Electrode (Outer)
0.10
0.10
ERA6A
(0805)
4
ERA8A
(1206)
8
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.
Mar. 2009