Metal Film (Thin Film) Chip Resistors, High Reliability Type
Metal Film (Thin Film) Chip Resistors,
High Reliability Type
Type:
ERA 1A, 2A, 3A, 6A, 8A
Features
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 Coefficient of Resistance
●
High performance ......... Low current noise, excellent linearity
●
Reference Standard ...... IEC 60115-8, JIS C 5201-8, EIAJ RC-2133B
●
AEC-Q200 qualified
●
RoHS compliant
●
High
■
As for 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
E
R
A
3
A
E
B
1
0
2
V
Product Code
Metal Film
Chip Resistors
Size, Power Rating
Code Inch Power Rating
0.05 W
1A
0201
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
C
X
V
Packaging
Pressed Carrier Taping
2 mm pitch, 15000 pcs.
Punched Carrier Taping
2 mm pitch, 10000 pcs.
Punched CarrierTaping
4 mm pitch, 5000 pcs.
Part No.
ERA1A
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 : 1k
Ω
●
E96
Series and other Resistance values
1
2
3
4
5
6
7
8
9
10
11
12
E
R
A
3
A
E
B
1
0
5
1
V
Product Code
Metal Film
Chip Resistors
Size, Power Rating
Code Inch Power Rating
0.05 W
1A
0201
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
C
X
V
Packaging
Pressed Carrier Taping
2 mm pitch, 15000 pcs.
Punched Carrier Taping
2 mm pitch, 10000 pcs.
Punched CarrierTaping
4 mm pitch, 5000 pcs.
Part No.
ERA1A
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 : 1.05k
Ω
note : Duplicated resistance values as E24 series part
numbers shall follow E24 part numbers.
(apply three digit resistance value)
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.
10 Feb. 2016
Metal Film (Thin Film) Chip Resistors, High Reliability Type
Construction
Protective coating
Alumina substrate
Electrode (Inner)
W
Dimensions in mm (not to scale)
a
L
t
Electrode
(Between)
Part No.
(inch size)
ERA1A (0201)
ERA2A (0402)
ERA3A (0603)
ERA6A (0805)
ERA8A (1206)
L
0.60
±0.03
1.00
±0.10
1.60
±0.20
2.00
±0.20
3.20
±0.20
b
High reliability
metal film
Electrode (Outer)
Dimensions (mm)
W
a
b
0.30
±0.03
0.15
±0.05
0.15
±0.05
0.50
+0.10
0.15
±0.10
0.25
±0.10
–0.05
0.80
±0.20
0.30
±0.20
0.30
±0.20
1.25
±0.10
0.40
±0.25
0.40
±0.25
1.60
+0.05
0.50
±0.25
0.50
±0.25
–0.15
Mass (Weight)
[g/1000 pcs.]
t
0.23
±0.03
0.14
0.35
±0.05
0.6
0.45
±0.10
2
0.50
±0.10
4
0.60
±0.10
8
Ratings
Power Rating Limiting Element
Maximum
Resistance
T.C.R.
Part No.
(1)
(2)
Part No.
Tolerance
at 85 °C
Voltage
Overload Voltage
(detail)
(×10
–6
/°C)
(inch size)
(V)
(V)
(%)
(W)
ERA1AEB
±0.1
±25
ERA1AEC
±0.25
ERA1A
0.05
25
50
ERA1ARC
±0.25
(0201)
ERA1ARB
±0.1
±10
ERA1ARW ±0.05
ERA2AKD
±0.5
±100
ERA2AED
±0.5
ERA2AEC
±0.25
±25
ERA2AEB
±0.1
ERA2A
0.063
50
100
(0402)
ERA2APC
±0.25
±15
ERA2APB
±0.1
ERA2ARC
±0.25
±10
ERA2ARB
±0.1
ERA3AHD
±0.5
±50
ERA3AED
±0.5
ERA3AEC
±0.25
±25
ERA3AEB
±0.1
ERA3A
0.1
75
150
ERA3APC
±0.25
(0603)
±15
ERA3APB
±0.1
ERA3ARC ±0.25
ERA3ARB
±0.1
±10
ERA3ARW ±0.05
ERA6AHD
±0.5
±50
ERA6AED
±0.5
ERA6AEC
±0.25
±25
ERA6AEB
±0.1
ERA6A
ERA6APC
±0.25
0.125
100
200
(0805)
±15
ERA6APB
±0.1
ERA6ARC
±0.25
ERA6ARB
±0.1
±10
ERA6ARW ±0.05
ERA8AHD
±0.5
±50
ERA8AED
±0.5
ERA8AEC
±0.25
±25
ERA8AEB
±0.1
ERA8A
ERA8APC
±0.25
0.25
150
300
(1206)
±15
ERA8APB
±0.1
ERA8ARC
±0.25
ERA8ARB
±0.1
±10
ERA8ARW ±0.05
(1)
(2)
(3)
(4)
Resistance
(3)(4)
Range
(Ω)
100 to
100 to
10k (E24, E96)
10k (E24, E96)
Category
Temperature Range
(°C)
1k to 10k (E24, E96)
10 to 46.4 (E24, E96)
47 to 100k (E24, E96)
200 to
200 to
47k (E24, E96)
47k (E24, E96)
10 to 46.4 (E24, E96)
47 to 330k (E24, E96)
470 to 100k (E24, E96)
1k to 100k (E24, E96)
10 to 46.4 (E24, E96)
47 to
1M (E24, E96)
–55 to +155
470 to 100k (E24, E96)
1k to 100k (E24, E96)
10 to 46.4 (E24, E96)
47 to
1M (E24, E96)
470 to 100k (E24, E96)
1k to 100k (E24, E96)
Rated Continuous Working Voltage (RCWV) shall be determined from RCWV=
√
Rated Power
×
Resistance Values, or Limiting Element Voltage listed above, whichever less.
Overload (Short-time Overload) Test Voltage (SOTV) shall be determined from SOTV=2.5
×
RCWV or max. Overload Voltage listed above whichever less.
E192 series resistance values are also available. Please contact us for details.
Duplicated resistance values between E96, E192 and E24 series shall follow E24 Part Numbers. (apply three digit resistance value)
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.
10 Feb. 2016
Metal Film (Thin Film) Chip Resistors, High Reliability Type
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
Rated Load (%)
80
60
40
20
0
–60 –40 –20
0
20
40
60
155 °C
80 100 120 140 160 180
Ambient Temperature (°C)
85 °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.
10 Feb. 2016
