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
2
3
4
5
6
7
8
9
10
11
12
13
E
R
X
Power rating
12
2
0.5 W
1W
2W
3W
5W
S
Z
J
W
1
R
0
E
Product code
Metal film
resistors
1
2
3
5
Style · Specification
Small size
S
0.5 W to 5 W
Small size Anti-heat
conducting type
F
(Fe lead wire)
1 W to 5 W
Code Tolerance
J
±5 ％
Q
±2 ％
Resistance tolerance
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.) 1R0 : 1.0 Ω
The matrix of forming and packaging is as shown in the table below.
“Z” is added according to resistance.
Part No.
ERX12S
ERX1S
ERX1F
ERX2S
ERX2F
ERX3S
ERX3F
ERX5S
ERX5F
Resistance
tolerance
±5 ％
±2 ％
±5 ％
±2 ％
±5 ％
±2 ％
±5 ％
±2 ％
±5 ％
±2 ％
Resistance value range(Ω)
ERX◻◻SZ
0.10 to 0.18
0.10 to 0.91
0.10 to 0.18
0.10 to 0.91
0.10 to 0.20
0.10 to 0.91
0.10 to 0.20
0.10 to 0.91
-
ERX◻◻S
0.20 to 9.1
1.0 to 9.1
0.20 to 9.1
1.0 to 9.1
0.22 to 9.1
1.0 to 9.1
0.22 to 9.1
1.0 to 9.1
0.33 to 9.1
1.0 to 9.1
Ｕ···V
◻···V
◻···◻
◻···E
◻···P
Code
Forming / Packaging
Straight lead wire type
Cut & Forming type
Axial taping type (Stand off)
Radial taping type (E type)
Forming & taping matrix
12S 1S 2S 3S 5S 1F 2F 3F 5F
〇 〇 〇 〇 〇 〇 〇 〇 〇
〇 〇 〇 〇 〇
〇 〇 〇
〇 〇 〇
〇 〇 〇
〇 〇 〇 〇
〇 〇 〇
Axial taping type (Straight lead) 〇 〇 〇 〇
Ｓ···E
◻···Ｈ
Cut & Forming type
W···E
Radial taping type (WE type)
〇 〇 〇 〇
Radial taping type (SE 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
1
2
3
4
5
6
7
8
9
10
11
12
E
R
G
Power rating
12
2
S
J
W
1
0
3
E
Same as above.
Product code
Style · Specification
S
Small size
0.5 W to 5 W
Small size Anti-heat
conducting type
(Fe lead wire)
1 W to 5 W
Resistance tolerance
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 kΩ
Metal oxide
film resistors
0.5 W
1W
2W
3W
5W
Code Tolerance
J
Q
±5 ％
±2 ％
1
2
3
5
F
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.
1-Oct-21
Metal (Oxide) Film Resistors
Construction
High reliable metal oxide film（ERG）
High reliable metal plating film（ERX）
Lead wire
S type ：Cu wire
F type ：Fe wire
Unit : mm
Dimensions in mm (not to scale)
ℓ
L
ℓ
φd
φD
Ceramic core (High
thermal conductivity)
Part No.
Dimensions
L
6.35
+0.65
- 0.35
+1.50
- 1.00
+1.50
- 1.00
±1.50
øD
2.3
+0.5
- 0.3
±0.5
ℓ
30.0
±3.0
ød
0.65
0.65
0.80
±0.05
±0.05
±0.05
±0.05
Mass
(Weight)
(g/ pc)
0.26
0.33
0.66
1.47
3.54
Spiralling
turns
Marking
ERG(X)12S
ERG(X)1S
ERG(X)1F
ERG(X)2S
Flame and solvent retardant
ERG(X)2F
ERG(X)3S
ERG(X)3F
End cap
ERG(X)5S
ERG(X)5F
9.00
2.8
30.0
±3.0
12.00
15.00
24.00
4.0
5.5
8.0
±1.0
30.0
38.0
38.0
±3.0
0.80
0.80
0.80
±1.0
±3.0
±0.05
±1.50
±1.0
±3.0
±0.05
Ratings
Part No.
Power rating
(70 ℃)
(W)
voltage
*1
(V)
Limiting
element
Maximum
overload
voltage
*2
(V)
overload voltage
*3
(V)
Maximum
intermittent
Dielectric
withstanding
voltage
(V)
Resistance
tolerance
(%)
Resistance
range
*5
(Ω)
(×10
-6
/K)
T.C.R.
*4
ERG(X)12S
0.5
1
2
3
5
300
350
350
350
500
600
600
700
700
1000
600
600
1000
1000
1500
350
350
600
1000
1000
ERG(X)1S
ERG(X)1F
ERG(X)2S
ERG(X)2F
ERG(X)3S
ERG(X)3F
ERG(X)5S
ERG(X)5F
G (±2)
J (±5)
G (±2)
J (±5)
G (±2)
J (±5)
G (±2)
J (±5)
G (±2)
J (±5)
min.
*6
1
0.2
1
0.2
1
0.22
1
0.22
1
0.33
22 k
47 k
68 k
100 k
100 k
100 k
100 k
100 k
100 k
100 k
max.
Standard
resistance
value
±350
±350
±350
±300
±200
Ｅ24
Ｅ24
Ｅ24
Ｅ24
Ｅ24
*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 determined 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.)
½ Z type is non standard resistance values.
Code
Part No.
12S
Res.tol.
±2 ％
±5 ％
±2 ％
±5 ％
Resistance value
range(Ω)
Code
Part No.
2S
Res.tol.
±2 ％
±5 ％
±2 ％
±5 ％
Resistance value
range(Ω)
0.1 to 0.91
0.1 to 0.18
0.1 to 0.91
0.1 to 0.18
0.1 to 0.91
0.1 to 0.2
0.1 to 0.91
0.1 to 0.2
Z
1S
Z
2F
3S
1F
3F
Power derating curve
For resistors operated in ambient temperatures
above 70 ℃, power rating shall be derated in
accordance with the figure on the right.
Rated load (%)
120
100
80
60
40
20
0
-55 ℃
70 ℃
ERG(X)12S
130 ℃
-60 -40 -20
0
20
235 ℃
Ambient temperature (℃)
40 60
80 100 120 140 160 180 200 220 240
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.
1-Oct-21
Metal (Oxide) Film Resistors
Taped & Box
ERG(X)◻◻S◻◻◻◻V
6.0±0.5
Stand-off taped & Box
ERG(X)◻◻S◻U◻◻◻V
φd
φd
P
P
H
W
W
H
crush width 0.8 mm (1 W)
1.1 mm (2 W, 3 W)
b
Marking
c
a
Unit : mm
Part No.
Standard
quantity
(pcs/box)
Taping dimensions
p
5.0
±0.3
Box
W
1
-
-
50×P
250
±2
W
52.0
±1.5
H
-
-
12.0
0
- 2.0
ød
0.65
±0.05
a
85
85
85
b
80
80
80
ERG(X)12S◻◻◻◻◻V
ERG(X) 1S◻◻◻◻◻V
ERG(X) 1S◻U◻◻◻V
ERG(X) 2S◻◻◻◻◻V
ERG(X) 2S◻U◻◻◻V
ERG(X) 3S◻◻◻◻◻V
ERG(X) 3S◻U◻◻◻V
2,000
2,000
1,000
1,000
5.0
±0.3
250
±2
52.0
±1.5
1.20
+0.15
0
0.65
±0.05
5.0
±0.3
250
±2
52.0
±1.5
-
15.5
0
- 2.0
-
1.40
+0.15
0
0.80
±0.05
10.0
±0.5
500
±2
74.0
±2.0
-
23.0
0
- 2.0
-
1.40
+0.15
0
0.80
±0.05
105 100 325
Cut & Formed type
ERG(X)◻◻S◻◻◻◻P
φ0.65±0.05
(0.5 W, 1 W)
φ0.80±0.05
(2 W, 3 W, 5 W)
Part No.
ERG(X)12S◻◻◻◻◻P
ERG(X)1S◻◻◻◻◻P
ERG(X)2S◻◻◻◻◻P
W
1
c
255
255
255
Standard
quantity
(pcs/box)
Unit : mm
Dimensions
L
6.35
9.00
12.00
15.00
24.00
+0.65
- 0.35
+1.50
- 1.00
+1.50
- 1.00
±1.50
øD
2.3
2.8
4.0
5.5
8.0
+0.5
- 0.3
±0.5
S
10.0
12.5
15.0
20.0
30.0
±1.5
h
4.0
4.0
6.0
6.5
7.5
±1.5
h
2
4.0
4.0
4.0
4.0
4.0
±1.5
S
L
φD
1,000
1,000
1,000
1,000
500
±1.5
±1.5
±1.5
±1.0
±1.5
±1.5
±1.5
h
Upper surface
h
2
of PW board
0.8 (0.5 W, 1 W)
1.0 (2 W, 3 W, 5 W)
ERG(X)3S◻◻◻◻◻P
ERG(X)5S◻◻◻◻◻P
±1.0
±2.0
±1.5
±1.5
±1.50
±1.0
±2.0
±1.5
±1.5
1.2±0.2 (0.5 W, 1 W)
1.4±0.2 (2 W, 3 W, 5 W)
ERG(X)◻F◻◻◻◻H
S
L
φ0.80±0.05
Part No.
φD
Standard
quantity
(pcs/box)
Unit : mm
Dimensions
L
9.0
12.0
15.0
24.0
+1.5
- 1.0
+1.5
- 1.0
±1.5
øD
2.8
4.0
5.5
8.0
±0.5
S
12.5
15.0
20.0
30.0
±1.5
h
8
8
10
10
±2
h
2
4.0
5.0
5.0
5.0
±1.5
ERG(X)1F◻◻◻◻H
ERG(X)2F◻◻◻◻H
1,000
1,000
1,000
500
±1.0
±1.5
±2
±1.5
h
Upper surface
of PW board
h
2
1.0
1.4±0.2
ERG(X)3F◻◻◻◻H
ERG(X)5F◻◻◻◻H
±1.0
±2.0
±2
±1.5
±1.5
±1.0
±2.0
±2
±1.5
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.
1-Oct-21
Metal (Oxide) Film Resistors Packaging Methods
For panasert automatic insertion machine radial taped & Box
ERG(X)◻◻S◻◻◻◻E (12S, 1S, 2S)
Insulated Lead
P
P
2
φD
A
F
P
1
H
0
φd
H
1
W
1
φD
0
Unit : mm
P
0
Dimensions
P
P
0
P
1
P
2
F
12.7±1.0
12.7±0.3
3.85±0.70
6.35±1.00
5.0±0.8
H
0
øD
0
W
W
W
1
18.0±0.5
9.0±0.5
H
1
12S
1S
2S
32 max.
32 max.
38 max.
16.0±0.5
4.0±0.2
ød
12S
A
1S
2S
6.35
9.0
12.0
+0.65
- 0.35
+1.5
- 1.0
+1.5
- 1.0
12S
øD
2.3
+0.5
- 0.3
1S
2S
2.8±0.5
4.0±1.0
0.65±0.05
● Radial Tape Package Specifications
Standard
quantity
(pcs/box)
Unit : mm
Part No.
Dimensions
a
46
46
49
b
130
130
100
c
335
335
335
ERG(X)12S◻◻◻◻◻E
ERG(X) 1S◻◻◻◻◻E
b
Marking
a
c
ERG(X) 2S◻◻◻◻◻E
2,000
2,000
1,000
For Panasert Au to mat ic Insertion Machine Radial Taped & Box
ERG(X)◻◻S◻W◻◻◻E (12S, 1S, 2S, 3S)
Dimensions (mm)
P
1
A
P
B
φD
Dimensions (mm)
øD0
12S, 1S, 2S, 3S
12S
1S
2S
3S
12S
1S
2S
3S
12S
1S
2S
3S
ød
P
P
0
P
1
P
2
F
W
1
W
W
W
1
H
0
12S
1S, 2S, 3S
12S
1S, 2S, 3S
12S
1S, 2S, 3S
12S
1S, 2S, 3S
12S
1S, 2S, 3S
12S, 1S, 2S, 3S
12S, 1S, 2S, 3S
12S
1S, 2S
3S
12S
12.7±1.0
30.0±1.0
12.7±0.3
15.0±0.3
6.35±1.00
7.5±1.0
3.85±0.70
3.75±0.50
5.0±0.5
7.5±0.8
18.0±0.5
9.0±0.5
16.0±0.5
18.0±1.0
19.0±1.0
6.5
6.5
8.0
+0.6
0
+1.0
0
+1.0
0
4.0±0.2
6.35
9.0
12.0
+0.65
- 0.35
+1.5
- 1.0
+1.5
- 1.0
A
15.0±1.5
11.2 max.
14.0 max.
17.0 max.
21.0 max.
2.3
+0.5
- 0.3
H
1
P
2
F
H
0
B
øD
2.8±0.5
4.0±1.0
5.5±1.0
ø0.65±0.05
ø0.80±0.05
φd
P
0
12S
1S, 2S, 3S
φD
0
H
1
1S, 2S
3S
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.
1-Oct-21
Metal (Oxide) Film Resistors Packaging Methods
For Panasert Au to mat ic Insertion Machine Radial Taped & Box
ERG(X)◻F◻S◻◻◻E (1F, 2F, 3F)
Dimensions (mm)
P
1
A
P
B
φD
Dimensions (mm)
H
2
φ
D
0
1F
1.0±0.3
4.0±0.2
9.0
12.0
+1.5
- 1.0
+1.5
- 1.0
P
P
0
P
1
P
2
F
W
W
1
W
1
H
0
1F
30.0±1.0
15.0±0.3
7.5±1.0
3.75±0.50
7.5±0.8
18.0±0.5
9.0±0.5
16.0
0
+1.0
+1.0
0
+1.0
0
+1.0
0
A
2F
3F
1F
F
P
2
H
1
15.0±1.5
14.0 max.
17.0 max.
21.0 max.
2.8±0.5
4.0±1.0
5.5±1.0
0.80±0.05
H
2
H
0
B
2F
3F
1F
φd
P
0
φD
0
W
7.0
8.0
9.0
H
1
2F
3F
φ
D
φ
d
2F
3F
● Radial Tape Package Specifications
Standard
Quantity
(pcs/box)
Dimensions (mm)
a
46
49
Part No.
b
145
150
c
325
317
ERG(X)12S◻W◻◻◻E
ERG(X) 1S◻W◻◻◻E
ERG(X) 1F◻S◻◻◻E
b
Marking
a
c
ERG(X) 2S◻W◻◻◻E
ERG(X) 2F◻S◻◻◻E
ERG(X) 3F◻S◻◻◻E
2,000
1,000
500
500
49
49
150
190
317
315
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.
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