Metal (Oxide) Film Resistors
Metal (Oxide) Film Resistors
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)
■ Features
● Miniaturized
50 % smaller compared to existing models
● Non-flammable
● High Reliability
● Automatic Insertion
● Reference Standards
IEC 60115-2, IEC 60115-4, JIS C 5201-4, EIAJ RC-2138
● RoHS compliant
■ Explanation of Part Numbers
Ex.1 : ERX type
1
Product Code
Metal Film
ERX
Resistors
2
3
4
5
6
7
8
9
10
11
12
Resistance
Resistance Value
Style · Specification
Tolerance
Small size
The first two digits are significant figures
S
J
±5 %
0.5 W to 5 W
of resistance and the third one denotes
G
±2 %
Small size Anti-heat
number of zeros following.
conducting type
Decimal point is expressed by
F (Fe lead wire)
(Ex.) 1R0 : 1.0
1 W to 5 W
“Z” is added according to resistance.
The matrix of forming and packaging is as shown in the table below.
Forming & Taping matrix
Resistance
Resistance Value Range ( )
Type
Code
Forming / Packaging
12S 1S 2S 3S 5S 1F 2F 3F 5F
Tolerance
ERX
SZ
ERX
S
···
Straight lead wire type
±5 %
0.10 to 0.18
0.20 to 9.1
ERX12S
···P Cut & Forming type
±2 %
0.10 to 0.91
1.0 to 9.1
···V Axial taping type (Straight lead)
ERX1S
±5 %
0.10 to 0.18
0.20 to 9.1
U···V Axial taping type (Stand off)
ERX1F
±2 %
0.10 to 0.91
1.0 to 9.1
···E Radial taping type (E type)
ERX2S
±5 %
0.10 to 0.20
0.22 to 9.1
W···E Radial taping type (WE type)
ERX2F
±2 %
0.10 to 0.91
1.0 to 9.1
··H Cut & Forming type
ERX3S
±5 %
0.10 to 0.20
0.22 to 9.1
S···E Radial taping type (SE type)
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
Power Rating at 70 °C
12
0.5 W
1
1W
2
2W
3
3W
5
5W
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.
Ex.2 : ERG type
1
Product Code
Metal Oxide
Film Resistors
ERG
2
3
Power Rating at 70 °C
12
0.5 W
1
1W
2
2W
3
3W
5
5W
4
5
Style · Specification
S Small size
0.5 W to 5 W
Small size Anti-heat
conducting type
F
(Fe lead wire)
1 W to 5 W
6
7
8
9
10
11
12
Resistance Value
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 k
The matrix of forming and packaging is as shown in the table below.
Forming & Taping matrix
Forming / Packaging
Code
12S 1S 2S 3S 5S 1F 2F 3F 5F
Straight lead wire type
···
···P Cut & Forming type
···V Axial taping type(Straight lead)
U···V Axial taping type(Stand off)
···E Radial taping type(E type)
W···E Radial taping type(WE type)
···H Cut & Forming type
S···E Radial taping type(SE type)
Resistance
Tolerance
J
±5 %
G
±2 %
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.
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.
01 Aug. 2012
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