Metal Film (Thin Film) Chip Resistors, High Reliability Type
Construction
Protective coating
Electrode (Inner)
Alumina substrate
Electrode (Between)
High reliability metal film
Electrode (Outer)
*0201/0402 size or E96 series do not have value markings.
Dimensions in mm (not to scale)
L
a
W
T
b
Unit : mm
Mass (Weight)
Dimensions
a
Part No.
(g/1000 pcs)
L
W
b
T
ERA1A
ERA2A
ERA3A
ERA6A
ERA8A
0.60±0.03
1.00±0.10
1.60±0.20
2.00±0.20
3.20±0.20
0.30±0.03
0.50+0.10/-0.05
0.80±0.20
1.25±0.10
1.60+0.05/-0.15
0.15±0.05
0.15±0.10
0.30±0.20
0.40±0.25
0.50±0.25
0.15±0.05
0.25±0.10
0.30±0.20
0.40±0.25
0.50±0.25
0.23±0.03
0.35±0.05
0.45±0.10
0.50±0.10
0.60±0.10
0.14
0.6
2
4
8
Performance
Performance
requirements ⊿R
Within specified
tolerance
Within specified
Test Item
Resistance
T. C. R.
Test conditions
20 ℃
+25 ℃ / +125 ℃
T. C. R.
R<47 Ω : ±0.5 %
R≧47Ω : ±0.1 %
R<47 Ω : ±0.5 %
R≧47Ω : ±0.1 %
R<47 Ω : ±0.5 %
R≧47Ω : ±0.1 %
R<47 Ω : ±0.5 %
R≧47Ω : ±0.1 %
R<47 Ω : ±0.5 %
R≧47Ω : ±0.1 %
Overload
Rated voltage x 2.5, 5 s
270 ℃, 10 s
Resistance to
soldering heat
Rapid change
of temperature
High temperature
exposure
ERA1A, 2A
ERA3A, 6A, 8A
: –55 ℃ (30 min.) / +125 ℃ (30 min.),1000 cycles
: –55 ℃ (30 min.) / +155 ℃ (30 min.),1000 cycles
+155 ℃, 1000 h
Damp heat,
Steady state
85 ℃, 85 %RH, 1000 h
85 ℃, 85%RH, 10% rated power, 1.5 h ON / 0.5 h OFF cycle, 1000 h,
Max. test voltage : ERA2A : 15.8 V, ERA3A : 23.7 V, ERA6A : 31.6 V,
ERA8A : 47.4 V
Load life in
humidity
R<47 Ω : ±0.5 %
R≧47Ω : ±0.1 %
R<47 Ω : ±0.5 %
R≧47Ω : ±0.1 %
Endurance at 85℃
85℃, Rated voltage, 1.5 h ON / 0.5 h OFF cycle, 1000 h
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.
1-Jul-21