High Power Chip Resistors / Wide Terminal Type
High Power Chip Resistors /
Wide Terminal Type
Type: ERJ A1, B1, B2, B3
Features
High solder-joint reliability by wide terminal con struc tion
Excellent heat dissipation characteristics by wide terminal construction
AEC-Q200 quali ed
RoHS compliant
Recommended Applications
Automotive electronic circuits including ECUs (Electrical control unit), anti-lock breaking systems and air-bag systems
Current sensing for power supply circuits in a variety of equipment
As for Packaging Methods, Land Pattern, Soldering Conditions and Safety Precautions,
Please see Data Files
Explanation of Part Numbers
1 2 3 4 5 6 7 8 9 10 11
E R J A 1 A J 1 0 2 U
Size, Power Rating Resistance Value Region Resistance Tolerance Packaging Methods
Product Code
Thick Film Code Inch Power R. A 10 < R F 1 % Code Packaging Part No.
Chip Resistors
A1 1225 1.33 W B 0.22 < R <10 G 2 % Punched Carrier Taping ERJB2
V
4 mm pitch, 5,000 pcs.
1 W, C 0.01 < R < 0.22 J 5 % ERJB3
B1 1020
2 W
D 0.005 < R < 0.01 Embossed Carrier Taping
( )
R < 10
ERJB1
4 mm pitch, 5,000 pcs.
0.75 W, U
Embossed Carrier Taping
Resistance Value
B2 0612 1 W
ERJA1
( )
4 mm pitch, 4,000 pcs.
R < 10
Shown by 3 digits or letters. Only when it is impossible,
0.33 W,
shown by 4 digits or letters.
0.5 W
B3 0508 (Ex.) 102 : 1.0 k R01 : 0.01 = 10 m
( )
R < 1
4R7 : 4.7 R015 : 0.015 = 15 m
Ratings
Limiting Maximum
Power Resistance Resistance Category
Part No. Element Overload T.C.R.
Rating (1) (2) Tolerance Range 6 Temperature Range
(inch size) Voltage Voltage (10 /C)
at 70 C (W) (%) () (C)
(V) (V)
1 100 m to 10 k (E24) R < 100 m : 350
ERJA1
1.33 200 400 100 m < R : 100 (1%) 55 to +155
(1225) 2, 5 10 m to 10 k (E24)
200 (2%, 5%)
R < 22 m : 350
22 m R < 47 m : 200
<
1
ERJB1 47 m < R < 100 m : 150 (1%)
200 400 1, 2, 5 10 m to 10 k (E24) 55 to +155
200 (2%, 5%)
(1020) 2(R 10 )
<
100 m < R : 100 (1%)
200 (2%, 5%)
1, 2 10 m to 1 M (E24) R < 22 m : 0 to +300
22 m < R < 47 m : 0 to +200
47 m R < 100 m : 0 to +150
<
0.75
ERJB2 5 m to 1 M
200 400 100 m R < 220 m : 0 to +150 (1%) 55 to +155
<
(0612) 1(R 10 )
< 5 5 m to 9 m : 1m step
0 to +200 (2%, 5%)
()
10 m to 1 M : E24
220 m R : 100 (1%)
<
200 (2%, 5%)
R < 47 m : 0 to +300
0.33
ERJB3 47 m R 1 : 0 to +200
< <
150 200 1, 2, 5 20 m to 10 (E24) 55 to +155
(0508) 0.5(R 1 ) 1 < R : 100 (1%)
<
200 (2%, 5%)
(1) Rated Continuous Working Voltage (RCWV) shall be de termined fr om RCWV= Power Rating Re sis tance Values, or Limiting Element Voltage list ed above, whichever less.
(2) Overload (Short-time Overload) Test Voltage (SOTV) shall be de termined from SOTV=2.5 RCWV or max. Over load Volt age list ed above which ev er less.
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.
06 Apr. 2015High Power Chip Resistors / Wide Terminal Type
Power Derating Curve
Construction (Example : ERJA1 type)
For resistors operated in ambient temperatures above
70 C, power rating shall be derated in accordance
with the figure below.
100
55 C 70 C
Protective coating
80
60
40
Electrode (Outer)
20
Thick lm
155 C
Alumina substrate
resistive element
0
Electrode (Inner) Electrode (Between)
60 40 20 0 20 40 60 80 100 120 140 160 180
Ambient Temperature (C)
Dimensions in mm (not to scale)
ERJA1 type ERJB2 type
A1
10fD
( R< 10 m ) ( 10 m < R < 1 M )
W W
T T
1 0 2
R l 0
P
T
W
A2
Mass (Weight) [1000 pcs.] : 40 g Mass (Weight) [1000 pcs.] : 11 g
Di men sions LWT A1 B1 Di men sions (mm) LWT a b
(mm)
3.200.20 6.400.20 0.550.10 0.700.20 0.450.20 5 m<R<10 m 0.650.15 0.300.20
0.300.20
10 m<R<220 m 1.600.15 3.200.20
A2 B2 P 0D C
Di men sions
0.550.15 0.500.20
+0.10
220 m<R<1 M 0.250.20
(mm) 0.700.20 1.250.15 1.270.10 0.30 0.4 min.
0.20
ERJB1 type ERJB3 type
W T
W T
l 0 3
Mass (Weight) [1000 pcs.] : 27 g Mass (Weight) [1000 pcs.] : 4.8 g
LWT a b LWT a b
Di men sions Di men sions
(mm) 2.500.20 5.000.20 0.550.20 0.250.20 0.900.20 (mm) 1.250.10 2.000.15 0.500.10 0.250.20 0.400.20
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.
06 Apr. 2015
b b B2 C B2 B1 B1
a a
L
L
Rated Load (%)
b b a a
L
b b
a a
L
b b
a a
L