Metal Film (Thin Film) Chip Resistors, High Reliability Type
Metal Film (Thin Film) Chip Resistors,
High Reliability Type
0402, 0603, 0805, 1206
Type:
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)
............... Small resistance tolerance and Temperature Coefficient of Resistance
●
High accuracy
●
High performance......... Low current noise, excellent linearity
●
Reference Standard ...... IEC 60115-8, JIS C 5201-8, EIAJ RC-2133B
●
RoHS compliant
■
Packaging Methods, Land Pattern, Soldering Conditions and Safety Precautions
Please see Data Files
■
Explanation of Part Numbers
●
E24 Series
1
2
3
4
5
6
7
8
9
10
11
Product Code
Metal Film
Chip Resistors
Size, Power Rating
Type: inch Power Rating
0.063 W
2A : 0402
0.1 W
3A : 0603
0.125 W
6A : 0805
0.25 W
8A : 1206
Temperature Coefficient
T.C.R.
Code
±10 10
–6
/°C
R
±15 10
–6
/°C
P
±25 10
–6
/°C
E
±50 10
–6
/°C
H
±100 10
–6
/°C
K
Resistance Tolerance
Code
Tolerance
W
±0.05 %
B
±0.1 %
C
±0.25 %
D
±0.5 %
Packaging Methods
Code
X
V
Packaging
Punched Carrier Taping
2 mm pitch, 10,000 pcs.
Punched CarrierTaping
4 mm pitch, 5,000 pcs.
Type
ERA2A
ERA3A
ERA6A
ERA8A
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 : 1 k
●
E96 Series
1
2
3
4
5
6
7
8
9
10
11
12
Product Code
Metal Film
Chip Resistors
Size, Power Rating
Type: inch Power Rating
0.063 W
2A : 0402
0.1 W
3A : 0603
0.125 W
6A : 0805
0.25 W
8A : 1206
Temperature Coefficient
T.C.R.
Code
±10 10
–6
/°C
R
±15 10
–6
/°C
P
±25 10
–6
/°C
E
±50 10
–6
/°C
H
±100 10
–6
/°C
K
Resistance Tolerance
Code
Tolerance
W
±0.05 %
B
±0.1 %
C
±0.25 %
D
±0.5 %
Packaging Methods
Code
X
V
Packaging
Punched Carrier Taping
2 mm pitch, 10,000 pcs.
Punched CarrierTaping
4 mm pitch, 5,000 pcs.
Type
ERA2A
ERA3A
ERA6A
ERA8A
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 : 1.05 k
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.
03 Aug. 2012
8
Metal Film (Thin Film) Chip Resistors, High Reliability Type
■
Construction
Protective coating
Alumina substrate
Electrode (Inner)
■
Dimensions in mm (not to scale)
L
a
W
t
b
Electrode
(Between)
Type
(inch size)
ERA2A
(0402)
ERA3A
(0603)
High reliability
metal film
Electrode (Outer)
ERA6A
(0805)
ERA8A
(1206)
Dimensions (mm)
L
1.00
±0.10
W
+0.10
a
±0.10
b
0.25
0.30
±0.10
t
0.35
0.45
±0.05
Mass (Weight)
[g/1000 pcs.]
0.6
2
4
8
0.50
–0.05
0.15
0.80
±0.20
1.60
2.00
±0.20
0.30
0.40
±0.20
±0.20
±0.10
±0.20
1.25
±0.10
±0.25
0.40
±0.25
0.50
±0.10
3.20
±0.20
1.60
–0.15
0.50
+0.05
±0.25
0.50
±0.25
0.60
±0.10
■
Ratings
Power
Type
Rating
(inch size) at 85 °C
(W)
Limiting
Element
(1)
Voltage
(V)
Maximum
Overload
(2)
Voltage
(V)
Type
(detail)
ERA2AKD
ERA2AED
ERA2AEB
ERA2APB
ERA2ARC
ERA2ARB
ERA3AHD
ERA3AED
ERA3AEB
ERA3APB
ERA3ARB
ERA3ARW
ERA6AHD
ERA6AED
ERA6AEB
ERA6APB
ERA6ARB
ERA6ARW
ERA8AHD
ERA8AED
ERA8AEB
ERA8APB
ERA8ARB
ERA8ARW
Resistance
T.C.R.
Tolerance
(×10
–6
/°C)
(%)
±0.5
±0.5
±0.1
±0.1
±0.25
±0.1
±0.5
±0.5
±0.1
±0.1
±0.1
±0.05
±0.5
±0.5
±0.1
±0.1
±0.1
±0.05
±0.5
±0.5
±0.1
±0.1
±0.1
±0.05
±100
±25
±15
±10
±50
±25
±15
±10
±50
±25
±15
±10
±50
±25
±15
±10
Resistance
(3)
Range
(Ω)
10 to 46.4 (E24, E96)
47 to 100 k (E24, E96)
200 to 47 k (E24, E96)
200 to 47 k (E24, E96)
10 to 46.4 (E24, E96)
47 to 330 k (E24, E96)
470 to 100 k (E24, E96)
1 k to 100 k (E24, E96)
10 to 46.4 (E24, E96)
47 to
1 M (E24, E96)
–55 to +155
Category
Temperature
Range
(°C)
ERA2A
(0402)
0.063
25
50
ERA3A
(0603)
0.1
75
150
ERA6A
(0805)
0.125
100
200
470 to 100 k (E24, E96)
1 k to 100 k (E24, E96)
10 to 46.4 (E24, E96)
47 to
1 M (E24, E96)
ERA8A
(1206)
0.25
150
300
470 to 100 k (E24, E96)
1 k to 100 k (E24, E96)
(1) Rated Continuous Working Voltage (RCWV) shall be determined from RCWV=
√
Rated Power
×
Resistance Values, or Limiting Element Voltage
listed above, whichever less.
(2) Overload (Short-time Overload) Test Voltage (SOTV) shall be determined from SOTV=2.5
×
Power Rating or max. Overload Voltage listed above
whichever less.
(3) E192 series resistance values are also available. Please contact us for details.
Rated Load (%)
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.
–55 °C
100
80
60
40
20
0
–60 –40 –20
0
20
40
60
85 °C
155 °C
80 100 120 140 160 180
Ambient Temperature (°C)
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.
03 Aug. 2012
9
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