Datasheet
Construction (Example : ERJA1 type)
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.
High Power Chip Resistors / Wide Terminal Type
A2
B2
B1
A1
10–fD
B1
L
B2 C
P
T
W
1 0 2
l 0 3
b
b
T
W
aa
L
R l 0
bb
T
W
aa
L
bb
T
W
aa
L
bb
T
W
aa
L
Protective coating
Thick film
resistive element
Electrode (Inner) Electrode (Between)
Electrode (Outer)
Alumina substrate
–60 –40 –20 0 20 40 60 80 100 120 140 160 180
0
20
40
60
80
100
70 °C
155 °C
Ambient Temperature (°C)
Rated Load (%)
–55 °C
ERJA1 type
Di men sions
(mm)
LWTA
1
B
1
3.20±0.20 6.40±0.20 0.55±0.10 0.70±0.20 0.45±0.20
Di men sions
(mm)
A2 B2 P
0D
C
0.70±0.20 1.25±0.15 1.27±0.10
0.30
+0.10
0.4 min.
–0.20
Di men sions
(mm)
LWT a b
1.25±0.10 2.00±0.15 0.50±0.10 0.25±0.20 0.40±0.20
ERJB2 type
Mass (Weight) [1000 pcs.] : 11 g
Di men sions
(mm)
LWT a b
2.50±0.20 5.00±0.20 0.55±0.20 0.25±0.20 0.90±0.20
ERJB3 type ERJB1 type
Mass (Weight) [1000 pcs.] : 27 g
Mass (Weight) [1000 pcs.] : 40 g
( R< 10 mΩ ) ( 10 mΩ
<
R
<
1 MΩ )
Di men sions
(mm) LWT a b
5 mΩ<R<10 mΩ
1.60±0.15 3.20±0.20
0.65±0.15
0.30±0.20
0.30±0.20
10 mΩ<R<220 mΩ
0.55±0.15 0.50±0.20
220 mΩ<R<1 MΩ
0.25±0.20
Mass (Weight) [1000 pcs.] : 4.8 g
Power Derating Curve
For resistors operated in ambient temperatures above
70 °C, power rating shall be derated in accordance
with the figure below.
Dimensions in mm (not to scale)
Apr. 201506



