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

fd

fD

L

–60 –40 –20 0

20 40 60 80 100 120 140 160 180 200 220 240

0

20

40

60

80

100

120

130 °C

70 °C

–55 °C

ERG(X)12S

ERG(X)1S, 1F

ERG(X)3S, 3F

ERG(X)5S, 5F

235 °C

Ambient Temperature (°C)

ERG(X)2S, 2F

Power Derating Curve

For resistors operated in ambient temperatures above

70 °C, power rating shall be derated in accordance

with the figure on the right.

Type

Power

Rating

at 70 °C

(W)

Limiting

Element

Voltage

(1)

(V)

Maximum

Overload

Voltage

(2)

(V)

Maximum

Intermittent

Overload

Voltage

(3)

(V)

Dielectric

With-

standing

Voltage

(VAC)

Res.

Tol.

(%)

(4)

Resistance

Range (

Ω)

(5)

T.C.R.

(

×10

Standard

Resistance

Value

min.

(6)

max.

ERG(X)12S

0.5

300

600

600

350

G (±2)

1

22 k

±350

E24

J (±5)

0.2

47 k

ERG(X)1S

ERG(X)1F

1

350

600

600

350

G (±2)

1

68 k

±350

E24

J (±5)

0.2

100 k

ERG(X)2S

ERG(X)2F

2

350

700

1000

600

G (±2)

1

100 k

±350

E24

J (±5)

0.22

100 k

ERG(X)3S

ERG(X)3F

3

350

700

1000

1000

G (±2)

1

100 k

±300

E24

J (±5)

0.22

100 k

ERG(X)5S

ERG(X)5F

5

500

1000

1500

1000

G (±2)

1

100 k

±200

E24

J (±5)

0.33

100 k

Type

Dimensions (mm)

Mass

(Weight)

[g/pc.]

L

0D

k

0d

ERG(X)12S 6.35

+0.65

2.3

+0.5

30.0

±3.0

0.65

±0.05

0.26

ERG(X)1S

9.00

+1.50

2.8

±0.5

30.0

±3.0

0.65

±0.05

0.33

ERG(X)1F

0.80

±0.05

ERG(X)2S

ERG(X)2F

12.00

+1.50

4.0

±1.0

30.0

±3.0

0.80

±0.05

0.66

ERG(X)3S

ERG(X)3F

15.00

±1.50

5.5

±1.0

38.0

±3.0

0.80

±0.05

1.47

ERG(X)5S

ERG(X)5F

24.00

±1.50

8.0

±1.0

38.0

±3.0

0.80

±0.05

3.54

–0.3

–0.35

–1.00

–1.00

Code Type Res.Tol. Res. Value Range Code Type Res.Tol. Res. Value Range

Z

12S

±2 % 0.1 to 0.91

Ω

Z

2S

2F

±2 % 0.1 to 0.91

Ω

±5 % 0.1 to 0.18

Ω

±5 % 0.1 to 0.2

Ω

1S

1F

±2 % 0.1 to 0.91

Ω

3S

3F

±2 % 0.1 to 0.91

Ω

±5 % 0.1 to 0.18

Ω

±5 % 0.1 to 0.2

Ω

(1) Rated Continuous Working Voltage (RCWV) shall be determined

from RCWV=

√Power Rating×Resistance Value or Limiting Element

Voltage listed above whichever less.

(2) Overload (Short-time Overload) Test Voltage (SOTV) shall be de-

termined from SOTV=2.5

×Power Rating or max. Overload Voltage

listed above whichever less.

(3) Intermittent Overload Test Voltage (IOTV) shall be determined from

IOTV=4.0

×Power Rating or max. Intermittent Overload Voltage

listed above whichever less.

(4) Resistance tolerance is of use besides range listed, please inquire.

(5) Resistance Range Type ERG :

>10 Ω

Type ERX :

<9.1 Ω

(6) As for the low resistance value range, "Z" is given to the part

number. (Refer to the explanation of part numbers.)

✽ Z type is non standard resistance values.

High reliable metal oxide film (ERG)

High reliable metal plating film

(ERX)

Flame and solvent retardant

End cap

Spiralling

turns

Ceramic core

(High thermal conductivity)

Lead wire

S type : Cu wire

F type : Fe wire

(

)

Marking

Aug. 2012

01

51