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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
Explanation of Part Numbers
Ex.1 : ERX type
1 2 3 4 5 6 7 8 9 10 11 12
E
R
X
2
S
Z
J
W
1
R
0
E
ERX
Product Code Metal Film Resistors
Resistance Resistance Value Style * Specification Tolerance Small size The first two digits are significant figures 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 S , tolerance 5 %, and package of radial taping.
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
Ex.2 : ERG type
1 2 3 4 5 6 7 8 9 10 11 12
E
R
G
2
S
J
W
1
0
3
E
ERG
Product Code Metal Oxide Film Resistors
Power Rating at 70 C 12 0.5 W 1 1W 2 2W 3 3W 5 5W
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
Resistance Tolerance J 5 % G 2 %
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)
The above example 2 shows a small metal oxide film resistor, 2 W power rating, resistance value of 10 k , 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.
Feb. 2008
Metal (Oxide) Film Resistors
Construction
High reliable metal oxide film (ERG) High reliable metal plating film (ERX)
Dimensions in mm (not to scale)
(
Lead wire S type : Cu wire F type : Fe wire
)
k
L
k d
D
Ceramic core (High thermal conductivity)
Dimensions (mm) Type
L
Spiralling turns Marking
D
2.3 2.8 4.0 5.5 8.0
+0.5 -0.3
k 30.0 30.0 30.0 38.0 38.0
3.0
d
0.65 0.65 0.80
3.0 0.05
Mass (Weight) [g/pc.]
ERG(X)12S 6.35 ERG(X)1S ERG(X)1F ERG(X)2S ERG(X)2F
+0.65 -0.35
0.26 0.33 0.66 1.47 3.54
0.05 0.05
9.00 -1.00 12.00 -1.00 15.00 24.00
+1.50
+1.50
0.5
3.0
1.0
0.80 0.80 0.80
0.05
Flame and solvent retardant
ERG(X)3S ERG(X)3F ERG(X)5S ERG(X)5F
1.50
1.0
3.0
0.05
End cap
1.50
1.0
3.0
0.05
Ratings
Power Rating at 70 C (W) 0.5 1 2 3 5 Limiting Element Voltage (Maximum (1) RCWV) (V) 300 350 350 350 500 Maximum Dielectric Maximum Intermittent WithOverload Overload standing (2) Voltage (3) Voltage Voltage (V) (V) (VAC) 600 600 700 700 1000 600 600 1000 1000 1500 350 350 600 1000 1000 Res. Tol. (4) (%) G J G J G J G J G J (2) (5) (2) (5) (2) (5) (2) (5) (2) (5) Resistance (5) Range ( ) min.
(6)
Type
T.C.R. Standard -6 [ 10 /C Resistance Value (ppm/C)]
max. 22 k 47 k 68 k 100 k 100 k 100 k 100 k 100 k 100 k 100 k 350 350 350 300 200 E24 E24 E24 E24 E24
ERG(X)12S ERG(X)1S ERG(X)1F ERG(X)2S ERG(X)2F ERG(X)3S ERG(X)3F ERG(X)5S ERG(X)5F
1 0.2 1 0.2 1 0.22 1 0.22 1 0.33
(1) Rated Continuous Working Voltage (RCWV) shall be determined from RCWV= Power Rating Resistance Value or Limiting Element Voltage (max. RCWV) 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 Type ERX : <9.1 (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. Code Type Res.Tol. Res. Value Range Code Type Res.Tol. Res. Value Range
12S Z 1S 1F
2 % 0.1 to 0.91 5 % 0.1 to 0.18 2 % 0.1 to 0.91 5 % 0.1 to 0.18
70 C
2S 2F Z 3S 3F
2 % 0.1 to 0.91 5 % 0.1 to 0.2 2 % 0.1 to 0.91 5 % 0.1 to 0.2
Rated Load (%)
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.
120 100 80 60
-55 C
ERG(X)12S 40 20 0 -60 -40 -20 0
ERG(X)1S, 1F ERG(X)2S, 2F ERG(X)3S, 3F ERG(X)5S, 5F 130 C 235 C
20 40 60 80 100 120 140 160 180 200 220 240 Ambient Temperature (C)
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.
Feb. 2006
Metal (Oxide) Film Resistors
Taped & Box:
ERG(X) S V
6.00.5 d
Stand-off Taped & Box:
ERG(X) SU V
d
P
P
H W W
H
crush width 0.8 mm (1 W) 1.1 mm (2 W, 3 W)
Part Number
Standard Quantity (pcs./box) V V V V V V V 2000
Taping (mm) P 5.0
0.3
Box (mm) W1 -- --
+0.15
50 P 250
2
W 52.0
1.5
H -- --
+0
d 0.65
0.05
a 85
b 80
c 255 b
ERG(X)12S ERG(X) 1S ERG(X) 1S U ERG(X) 2S ERG(X) 2S U ERG(X) 3S ERG(X) 3S U
2000
5.0
0.3
250
2
52.0
1.5
12.0 -2.0 1.2 - 0
1.5
0.65
0.05
85
80
255
Ma rkin g
W1 -- -- 1.4
+0.15 -0
c
1000
5.0
0.3
250
2
52.0
15.5
2.0
+0 -2.0
0.80
0.05
85
80
255
a
1000
10.0
0.5
500
2
74.0
--
+0
--
+0.15
23.0 -2.0 1.4 - 0
0.80
0.05
105
100
325
Cut & Formed Type
ERG(X) S P
Part Number 0.650.05 (0.5 W, 1 W) 0.800.05 (2 W, 3 W, 5 W) S L D Standard Quantity (pcs./box) P P P P P 2000 2000 1000 1000 500 Dimensions (mm) L 6.35
+0.65 -0.35
D 2.3 2.8 4.0 5.5 8.0
+0.5 -0.3
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
h2 4.0 4.0 4.0 4.0 4.0
1.5
ERG(X)12S ERG(X)1S
9.00 -1.00 12.00 -1.00 15.00 24.00
1.50 +1.50
+1.50
0.5
1.5
1.5
1.5
Upper surface h of PW board h2 0.8 (0.5 W, 1 W) 1.0 (2 W, 3 W, 5 W) 1.20.2 (0.5 W, 1 W) 1.40.2 (2 W, 3 W, 5 W)
ERG(X)2S ERG(X)3S ERG(X)5S
1.0
1.5
1.5
1.5
1.0
2.0
1.5
1.5
1.50
1.0
2.0
1.5
1.5
ERG(X) F
H
Part Number Standard Quantity (pcs./box) H H H H 1000 1000 1000 500 Dimensions (mm) L 9.0
+1.5 -1.0
D 2.8 4.0 5.5 8.0
0.5
S 12.5 15.0 20.0 30.0
1.5
h 8 6
2
h2 4.0 5.0 5.0 5.0
1.5
S L
D 0.800.05 h Upper surface of PW board h2 1.0 1.40.2
ERG(X)1F ERG(X)2F ERG(X)3F ERG(X)5F
12.0 -1.0 15.0 24.0
1.5
+1.5
1.0
1.5
2
1.5
1.0
2.0
10 10
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.
Feb. 2006
Metal (Oxide) Film Resistors
For Panasert Automatic Insertion Machine Radial Tape & Box
Type ERG(X) S E (12S, 1S, 2S)
Insulated Lead P P2 D A F
H0
H1
P1
P0
D0 Dimensions (mm) 12S 32 max. 32 max. 38 max. 16.00.5 4.00.2 d A Dimensions (mm) 12S 1S 2S 6.35 -0.35 9.0
+1.5 -1.0 +1.5 -1.0 +0.65
Dimensions (mm) P P0 P1 P2 F 12.71.0 12.70.3 3.850.70 6.351.00 5.00.8 W W1
Dimensions (mm) 18.00.5 9.00.5 H1
W
d
W1
Dimensions (mm) 12S D 1S 2S 2.3 -0.3
+0.5
1S 2S
2.80.5 4.01.0
12.0 0.650.05
H0 D0
Radial Tape Package Specifications
Part Number ERG(X)12S ERG(X) 1S b ERG(X) 2S a c E E E
Dimensions (mm) a 46 46 49 b 130 130 100 c 335 335 335
Standard Quantity (pcs./box) 2000 2000 1000
Marking
For Panasert Automatic Insertion Machine Radial Taped & Box
Type ERG(X)
P1
SW
P
E (12S, 1S, 2S, 3S)
P
Dimensions (mm) 12S 1S, 2S, 3S 12S 1S, 2S, 3S 12S 1S, 2S, 3S 12S 1S, 2S, 3S 12S 1S, 2S, 3S 12S, 1S, 2S, 3S 12.71.0 30.01.0 12.70.3 15.00.3 6.351.00 7.51.0 3.850.70 3.750.50 5.00.5 7.50.8 18.00.5 9.00.5 16.00.5 18.01.0 19.01.0 6.5
+0.6 -0 +1.0
Dimensions (mm) D0 12S, 1S, 2S, 3S 12S A 1S 2S 3S 12S B 1S 2S 3S 12S D 1S 2S 3S d 12S 1S, 2S, 3S 4.00.2 6.35 -0.35 9.0
+1.5 -1.0 +1.5 +0.65
P0 A B D P1
12.0 -1.0
15.0 1.5 11.2 max. 14.0 max. 17.0 max. 21.0 max. 2.3 -0.3
+0.5
H1
P2
H0
P2
F
F W1 W W
2.8 0.5 4.01.0 5.51.0 0.650.05 0.800.05
W1 12S, 1S, 2S, 3S 12S H0 1S, 2S 3S
d
P0
12S D0 H1 1S, 2S 3S
6.5 - 0 8.0
+1.0 -0
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.
Feb. 2006
Metal (Oxide) Film Resistors
For Panasert Automatic Insertion Machine Radial Taped & Box
Type ERG(X) F S
P1 A P P B D P0 P1 P2 F H0 P2 W W1 W1 W H0 1F H1 2F 3F 30.01.0 15.00.3 7.51.0 3.750.50 7.50.8 18.00.5 9.00.5 16.0 - 0
+1.0 +1.0 +1.0 +1.0
E (1F, 2F, 3F)
Dimensions (mm) H2 D0 1F A 2F 3F 1F B 2F 3F 1F D d 2F 3F Dimensions (mm) 1.00.3 4.00.2 9.0 -1.0
+1.5 +1.5
H2
F
H1
12.0 -1.0
15.01.5 14 max. 17 max. 21 max. 2.80.5 4.01.0 5.51.0 0.800.05
d P0
D0
7.0 - 0 8.0 - 0
9.0 - 0
Radial Tape Package Specifications
Type ERG(X)12S W ERG(X) 1S W ERG(X) 1F S ERG(X) 2S W ERG(X) 2F S a c ERG(X) 3F S b E E E E E E Dimensions (mm) a 46 49 b 145 150 c 325 317 Standard Quantity (pcs./box) 2000 1000
49 49
150 190
317 315
500 500
Marking
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.
Feb. 2008
Metal (Oxide) Film Resistors
Hot-spot Temperature (for Reference)
The temperature of the resistor body increases with the curve below. A touching vinyl wire may cause damages to resistor element. Do not place vinyl wires around resistors and be sure to consider where the resistors will be placed.
Measuring position A
B +250 +250
+200 Temperature T (C) Temperature T (C)
+200 2F-A 2S-A +150 2S-B +100 2F-B +50
+150 1S-A +100 1S-B 12S-A 12S-B
+50
0
25
50 Rated Load (%)
75
100
0
25
50 Rated Load (%)
75
100
+250 3F-A +200 Temperature T (C) 3S-A Temperature T (C)
+250
+200
5F-A 5S-A
+150 3S-B +100 3F-B +50
+150 5S-B +100 5F-B +50
0
25
50 Rated Load (%)
75
100
0
25
50 Rated Load (%)
75
100
Safety Precautions
The following are precautions for individual products. Please also refer to the precautions common to Fixed Resistors shown on page ER2 of this catalog. 1. Transient voltage If there is a possibility that the transient phenomenon (significantly high voltage applied in a short time) may occur or that a high voltage pulse may be applied, make sure to evaluate and check the characteristics of Metal(Oxide) Film Resistors (hereafter called the resistors) mounted on your product rather than only depending on the calculated power limit or steady-state conditions to complete the design or decide to use the resistors. 2. The resistors are covered with a special coating. Do not apply shock or vibration to them, or pinch them with long-nose pliers. Otherwise, the resistors may be damaged. 3. Do not apply excessive tension to the lead-connected sections. When bending the lead wire, do not apply excessive stress to the resistors and provide the wire with a natural curvature. 4. Do not brush the resistors during or after the cleaning process, which may be conducted after soldering. Otherwise, the coating film may be damaged.
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.
Feb. 2006
Metal (Oxide) Film Resistors (Data for Reference)
Pulse Characteristics (Usual)
PP : Pulse limit power (W) VP : Pulse limit voltage (V) : Pulse continuous time (s) T : Period (s) VR : Rated voltage (V) P : Rated power (W) R : Resistance value ( ) Vp max. : Max. pulse limit voltage (V)
T
PP (VP)
Withstand pulse limit power is calculated by the next method. PP = K*P*T/ VP = K*P*R*T/ Reference to the right about a fixed number of VP max. T=1(s) T>1(s) T/=100 T/>100 P stands for PP PP

Type ERG(X)12S ERG(X) 1S ERG(X) 2S ERG(X) 3S ERG(X) 5S
K 0.5 0.5 0.5 0.5 0.5
Vp max. (V) 600 600 700 700 1000
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.
Feb. 2006
Safety Precautions (Common precautions for Fixed Resistors)
* When using our products, no matter what sort of equipment they might be used for, be sure to make a written agreement on the specifi cations with us in advance. The design and specifi cations in this catalog are subject to change without prior notice. * Do not use the products beyond the specifications described in this catalog. * This catalog explains the quality and performance of the products as individual components. Before use, check and evaluate their operations when installed in your products. * Install the following systems for a failsafe design to ensure safety if these products are to be used in equipment where a defect in these products may cause the loss of human life or other significant damage, such as damage to vehicles (au to mo bile, train, vessel), traffi c lights, medical equipment, aerospace equipment, elec tric heating appliances, combustion/gas equipment, rotating equipment, and disaster/crime prevention equipment. Systems equipped with a protection circuit and a protection device Systems equipped with a redundant circuit or other system to prevent an unsafe status in the event of a single fault (1) Precautions for use * These products are designed and manufactured for general and stan dard use in general elec tron ic equipment (e.g. AV equipment, home electric ap plianc es, offi ce equipment, information and com mu ni cation equipment) * These products are not intended for use in the following special conditions. Before using the products, carefully check the effects on their quality and performance, and determine whether or not they can be used. 1. In liquid, such as water, oil, chemicals, or organic solvent 2. In direct sunlight, outdoors, or in dust 3. In salty air or air with a high concentration of corrosive gas, such as Cl2, H2S, NH3, SO2, or NO2 4. Electric Static Discharge (ESD) Environment These components are sensitive to static electricity and can be damaged under static shock (ESD). Please take measures to avoid any of these environments. Smaller components are more sensitive to ESD environment. 5. Electromagnetic Environment Avoid any environment where strong electromagnetic waves exist. 6. In an environment where these products cause dew condensation 7. Sealing or coating of these products or a printed circuit board on which these products are mounted, with resin or other materials * These products generate Joule heat when energized. Carefully position these products so that their heat will not affect the other components. * Carefully position these products so that their temperatures will not exceed the category temperature range due to the effects of neighboring heat-generating components. Do not mount or place heat-generating components or inflammables, such as vinyl-coated wires, near these products . * Note that non- cleaning solder, halogen-based highly active fl ux, or water-soluble fl ux may deteriorate the performance or reliability of the products. * Carefully select a fl ux cleaning agent for use after soldering. An unsuitable agent may deteriorate the performance or reliability. In particular, when using water or a water-soluble cleaning agent, be careful not to leave water residues. Otherwise, the insulation performance may be deteriorated. (2) Precautions for storage The performance of these products, including the solderability, is guaranteed for a year from the date of arrival at your company, provided that they remain packed as they were when delivered and stored at a temperature of 5 C to 35 C and a relative humidity of 45 % to 85 %. Even within the above guarantee periods, do not store these products in the following conditions. Otherwise, their electrical performance and/or solderability may be deteriorated, and the packaging materials (e.g. taping materials) may be deformed or deteriorated, resulting in mounting failures. 1. In salty air or in air with a high concentration of corrosive gas, such as Cl2, H2S, NH3, SO2, or NO2 2. In direct sunlight
Package markings include the product number, quantity, and country of origin. In principle, the country of origin should be indicated in English.
Oct. 2007
- ER3 -

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