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

1

2

3

4

5

6

7

8

9

10

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

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

Type

Resistance

Resistance Value Range ( )

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

1

2

3

4

5

6

7

8

9

10

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 k

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

Metal (Oxide) Film Resistors

Type:

(0.5 W, 1 W, 2 W, 3 W, 5 W)

(1 W, 2 W, 3 W, 5 W)

● 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

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.

Ex.2 : ERG type

The above example 2 shows a small metal oxide film resistor, 2 W power rating, resistance value of 10 k

Ω, tolerance ±5 %, and package of radial taping.

Aug. 2012

01

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