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)
...............
High accuracy Small resistance tolerance and Temperature Coef cient of Resistance
.........
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
& 3 & # 7
Packaging Methods
Product Code Size, Power Rating Temperature Coefcient Resistance Tolerance
Metal Film Type: inch Power Rating Code T.C.R. Code Tolerance Code Packaging Type
6
Chip Resistors
2A : 0402 0.063 W R 10L10 /C W 0.05 % Punched Carrier Taping
X ERA2A
6
2 mm pitch, 10,000 pcs.
3A : 0603 0.1 W P 1510L /C B 0.1 %
6
ERA3A
6A : 0805 0.125 W E 2510L /C C 0.25 %
Punched CarrierTaping
6 V ERA6A
8A : 1206 0.25 W H 50L10 /C D 0.5 %
4 mm pitch, 5,000 pcs.
ERA8A
6
K 10010L /C
Resistance Value
Consist of three gures for E24 series resistance value.
The rst two digits are signicant gures of resistance
and the third one denotes number of zeros following.
(example) 102 : 1 k?
E96 Series and other Resistance values
1 2 3 4 5 6 7 8 9 10 11 12
& 3 & # 7
Product Code Size, Power Rating Resistance Tolerance Packaging Methods
Temperature Coefcient
Type: inch Power Rating
Metal Film Code T.C.R. Code Tolerance Code Packaging Type
6
Chip Resistors
0.063 W
2A : 0402 R 1010L /C W 0.05 % Punched Carrier Taping
X ERA2A
6
0.1 W 2 mm pitch, 10,000 pcs.
3A : 0603 P 15L10 /C B 0.1 %
6
0.125 W ERA3A
6A : 0805 E 2510L /C C 0.25 %
Punched CarrierTaping
6 V ERA6A
0.25 W
8A : 1206 H 50L10 /C D 0.5 %
4 mm pitch, 5,000 pcs.
ERA8A
6
K 100L10 /C
Resistance Value
Consist of four gures for E96 series resistance value.
The rst three digits are signicant gures of resistance
and the fourth one denotes number of zeros following.
(example) 1051 : 1.05 k?
note : Duplicated resistance values as E24 series part
numbers shall follow E24 part numbers.
(apply three digit resistance value)
Design and speci cations are each subject to change without notice. Ask factory for the current technical speci cations before purchase and/or use.
Should a safety concern arise regarding this product, please be sure to contact us immediately.
04 Oct. 2013
Metal Film (Thin Film) Chip Resistors, High Reliability Type
Construction Dimensions in mm (not to scale)
L
Protective coating
a
Electrode (Inner)
Alumina substrate W
t
b
Electrode
Dimensions (mm)
Type Mass (Weight)
(Between)
(inch size) [g/1000 pcs.]
LWa b t
ERA2A 0.10 +0.10 0.10 0.10 0.05
1.00 0.50 0.15 0.25 0.35 0.6
0.05
(0402)
ERA3A 0.20 0.20 0.20 0.20 0.10
1.60 0.80 0.30 0.30 0.45 2
(0603)
0.20 0.10 0.25 0.25 0.10
ERA6A
2.00 1.25 0.40 0.40 0.50 4
High reliability (0805)
Electrode (Outer)
metal lm
0.20 +0.05 0.25 0.25 0.10
ERA8A
3.20 1.60 0.15 0.50 0.50 0.60 8
(1206)
Ratings
Power Limiting Maximum
Category
Resistance Resistance
Type Rating Element Overload Type T.C.R. (3)(4)
Temperature
Tolerance Range
(1) (2)
6
Range
(inch size) at 85 C Voltage Voltage (detail) (10 /C)
(%) ()
(C)
(W) (V) (V)
ERA2AKD 0.5 100 10 to 46.4 (E24, E96)
ERA2AED 0.5
25 47 to 100 k (E24, E96)
ERA2A ERA2AEB 0.1
0.063 25 50
(0402)
ERA2APB 0.1 15 200 to 47 k (E24, E96)
ERA2ARC 0.25
10 200 to 47 k (E24, E96)
ERA2ARB 0.1
ERA3AHD 0.5 50 10 to 46.4 (E24, E96)
ERA3AED 0.5
25 47 to 330 k (E24, E96)
ERA3AEB 0.1
ERA3A
0.1 75 150
(0603)
ERA3APB 0.1 15 470 to 100 k (E24, E96)
ERA3ARB 0.1
10 1 k to 100 k (E24, E96)
ERA3ARW 0.05
55 to +155
ERA6AHD 0.5 50 10 to 46.4 (E24, E96)
ERA6AED 0.5
25 47 to 1 M (E24, E96)
ERA6AEB 0.1
ERA6A
0.125 100 200
(0805)
ERA6APB 0.1 15 470 to 100 k (E24, E96)
ERA6ARB 0.1
10 1 k to 100 k (E24, E96)
ERA6ARW 0.05
ERA8AHD 0.5 50 10 to 46.4 (E24, E96)
ERA8AED 0.5
25 47 to 1 M (E24, E96)
ERA8AEB 0.1
ERA8A
0.25 150 300
(1206)
ERA8APB 0.1 15 470 to 100 k (E24, E96)
ERA8ARB 0.1
10 1 k to 100 k (E24, E96)
ERA8ARW 0.05
(1) Rated Continuous Working Voltage (RCWV) shall be de termined from RCWV= Rated Power Re sis tance Values, or Limiting Element Voltage
liste d 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) 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)
55 C
Power Derating Curve 85 C
100
For resistors operated in ambient temperatures above
80
85 C, power rating shall be derated in ac corda nce
60
with the gure on the right.
40
20
155 C
0
60 40 20 0 20 40 60 80 100 120 140 160 180
Ambient Temperature (C)
Design and speci cations are each subject to change without notice. Ask factory for the current technical speci cations before purchase and/or use.
Should a safety concern arise regarding this product, please be sure to contact us immediately.
04 Oct. 2013
Rated Load (%)