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.
Metal (Oxide) Film Resistors
Product Code
ERX
Metal Film
Resistors
12
1
2
3
5
0.5 W
1 W
2 W
3 W
5 W
Power Rating at 70 °C
S
F
Small size
0.5 W to 5 W
Small size Anti-heat
conducting type
(Fe lead wire)
1 W to 5 W
Style · Specification
J
G
±5 %
±2 %
Resistance
Tolerance
Resistance Value
E
1
R
2
X
3 4
2
5
SZ W
6
J
7 8
1
9
R
10
0E
11 12
□···□
□···P
□···V
U···V
□···E
W···E
□··H
S···E
Straight lead wire type
Cut & Forming type
Axial taping type (Straight lead)
Axial taping type (Stand off)
Radial taping type (E type)
Radial taping type (WE type)
Cut & Forming type
Radial taping type (SE type)
The first two digits are significant figures
of resistance and the third one denotes
number of zeros following.
Decimal point is expressed by
(Ex.) 1R0 : 1.0 Ω
ERX12S
±5 % 0.10 to 0.18 0.20 to 9.1
±2 % 0.10 to 0.91 1.0 to 9.1
ERX1S ±5 % 0.10 to 0.18 0.20 to 9.1
ERX1F ±2 % 0.10 to 0.91 1.0 to 9.1
ERX2S ±5 % 0.10 to 0.20 0.22 to 9.1
ERX2F ±2 % 0.10 to 0.91 1.0 to 9.1
ERX3S ±5 % 0.10 to 0.20 0.22 to 9.1
ERX3F ±2 % 0.10 to 0.91 1.0 to 9.1
ERX5S ±5 %
—
0.33 to 9.1
ERX5F ±2 % 1.0 to 9.1
Part No.
Resistance
Resistance Value Range (Ω)
Tolerance
ERX□□SZ ERX□□S
Forming / Packaging
The matrix of forming and packaging is as shown in the table below.
“Z” is added according to resistance.
Forming & Taping matrix
Code
12S 1S 2S 3S 5S 1F 2F 3F 5F
○ ○ ○ ○ ○ ○ ○ ○ ○
○ ○ ○ ○ ○
○ ○ ○ ○ ○ ○ ○
○ ○ ○
○ ○ ○
○ ○ ○ ○
○ ○ ○ ○
○ ○ ○
Product Code
ERG
Metal Oxide
Film Resistors
12
1
2
3
5
0.5 W
1 W
2 W
3 W
5 W
Power Rating at 70 °C
S
F
Small size
0.5 W to 5 W
Small size Anti-heat
conducting type
(Fe lead wire)
1 W to 5 W
Style · Specification
J
G
±5 %
±2 %
Resistance
Tolerance
Resistance Value
E
1
R
2
G
3 4
2
5
SW
6
J
7 8
1
9
0
10
3E
11 12
□···□
□···P
□···V
U···V
□···E
W···E
□···H
S···E
Straight lead wire type
Cut & Forming type
Axial taping type(Straight lead)
Axial taping type(Stand off)
Radial taping type(E type)
Radial taping type(WE type)
Cut & Forming type
Radial taping type(SE type)
The first two digits are significant figures
of resistance and the third one denotes
number of zeros following.
Decimal point is expressed by
(Ex.) 103 : 10 kΩ
Forming / Packaging
The matrix of forming and packaging is as shown in the table below.
Forming & Taping matrix
Code
12S 1S 2S 3S 5S 1F 2F 3F 5F
○ ○ ○ ○ ○ ○ ○ ○ ○
○ ○ ○ ○ ○
○ ○ ○ ○ ○ ○ ○
○ ○ ○
○ ○ ○
○ ○ ○ ○
○ ○ ○ ○ ○
○ ○ ○
Explanation of Part Numbers
Features
●
Miniaturized
50 % smaller compared to existing models
●
Non-fl ammable
●
High Reliability
●
Automatic Insertion
●
Reference Standards
IEC 60115-2, IEC 60115-4, JIS C 5201-4, EIAJ RC-2138
●
RoHS compliant
Metal (Oxide) Film Re sis tors
Type: ERG(X)S (Small size)
(0.5 W, 1 W, 2 W, 3 W, 5 W)
ERG(X)F (
Anti-heat conducting for PCB
)
(1 W, 2 W, 3 W, 5 W)
Ex.1 : ERX type
The above example 1 shows a small metal film resistor, 2 W power rating, resistance value of 1.0 Ω, tolerance ±5 %, and package of radial taping.
The above example 2 shows a small metal oxide film resistor, 2 W power rating, resistance value of 10 kΩ, tolerance ±5 %, and package of radial taping.
Ex.2 : ERG type
Sep. 201402
