EU
(
)
THICK FILM ANTI SURGE
RoHS
Surge Current Flat Chip Resistors
SG73
■Construction
L
c
c
W
⑥
⑤
④
t
①ꢀProtective coating ④ꢀNi plating
②ꢀResistive film
③ꢀInner electrode
⑤ꢀSolder plating
⑥ꢀCeramic substrate
d
②
③
①
Coating color：Wine red
■Dimensions
■Features
・Superior to RK73 series chip resistors in surge withstanding
voltage and pulse withstanding voltage.
Dimensions（mm）
c
Type
Weigh（t g）
（1000pcs）
（Inch Size Code）
L±0.2
W
d
t±0.1
1J（0603）
1J AT（0603）
2A（0805）
2A AT（0805）
2B（1206）
2B AT（1206）
2E（1210）
0.3±0.1
0.35±0.15
0.4±0.2
0.45±0.25
0.5±0.3
0.3±0.1
・Suitable for both reflow and flow solderings.
・Products with lead free termination meet EU-RoHS requirements.
EU-RoHS regulation is not intended for Pb-glass contained in
electrode, resistor element and glass.
1.6
0.8±0.1
0.45
2.14
0.5±0.2
＋0.2
0.3
0.5
0.55
－0.1
2.0
3.2
1.25±0.1
1.6±0.2
4.54
9.14
0.6±0.2
＋0.2
0.4
－0.1
・AEC-Q200 Tested.
0.55±0.35
0.8±0.2
＋0.2
2.6±0.2
2.5±0.2
3.1±0.2
0.4
15.5
24.3
37.1
－0.1
0.6
※1
■Applications
・E.C.U.
W2H（2010）
W3A（2512）
5.0
6.3
0.5±0.3
0.65±0.15
※1
・Circuits to catch inductive lighting surge.
＋0.2
※1 SG73 2H and SG73 3A are also still available (differen“t d”dimensions=0.4 mm)
－0.1
■Reference Standards
ꢀ IEC 60115-8
ꢀ JIS C 5201-8
■Type Designation
ꢀExample
ꢀ EIAJ RC-2134C
SG73
2A
ꢀ
T
TD
103
K
Product
Code
Power
Rating
Characteristic
Terminal
Taping
Nominal
Resistance
3桁
Resistance
Tolerance
Surface Material
1J :0.1W
Nil：Standard
T：Sn
TP:2mm pitch
punch paper
TD:4mm pitch
punch paper
TE:4mm pitch
plastic
K:±10%
※3
2A:0.125W
2B:0.33W
2E:0.5W
A：Heat shock （L：Sn/Pb
）
M:±20%
※2
ꢀꢀresistance
W2H:0.75W
W3A:1W
embossed
BK:Bulk
※2 With type A(1J,2A,2B), only T is available as the terminal surface material.
No resistance marking.
※3 With SG73 W2H, W3A only the symbol T is available as the terminal surface material.
The terminal surface material lead free is standard.
Contact us when you have control request for environmental hazardous material other than the substance specified
by EU-RoHS.
For further information on taping, please refer to APPENDIX C on the back pages.
■Ratings
Resistance Range（ Ω
）
Rated
Ambient
Temp.
Rated
Terminal
Part Temp.
Max.
Working
Voltage
Max.
Overload
Voltage
Packaging & Q’ty/Reel（pcs）
Power
Rating
T.C.R.
K:±10％
M:±20％
E12
Type
－6
（×10 /K）
TP
TD
TE
±400
±200
±400
±200
±400
±200
±400
±200
±400
±200
±400
±200
1～8.2
10～1M
1～8.2
10～1M
1～8.2
10～1M
1～8.2
10～1M
1～8.2
※4
1J
0.1W
70℃
70℃
70℃
70℃
70℃
70℃
125℃
125℃
125℃
125℃
125℃
125℃
50V
100V
200V
10,000
5,000
—
※4
※4
※4
※4
2A
0.125W
0.33W
0.5W0
0.75W0
1.0W00
150V
10,000
5,000
5,000
5,000
—
4,000
4,000
4,000
2B
—
—
—
—
2E
200V
400V
W2H
W3A
4,000
4,000
10～1M
1～8.2
10～1M
—
Operating Temperature Range：－55℃～＋155℃
Rated voltage＝ Power Rating×Resistance value or Max. working voltage, whichever is lower.
√‾‾‾‾‾‾‾‾‾‾‾‾
※4 Standard packaging：TD(4mm pitch punch paper)ꢀ
If any questions arise whether to use the“Rated Ambient Temperature”or the“Rated Terminal Part Temperature”in your usage conditions, please give priority to the“Rated Terminal Part Temperature”.
For more details, please refer to“Introduction of the derating curves based on the terminal part temperature”on the beginning of our catalog.
Specifications given herein may be changed at any time without prior notice. Please confirm technical specifications before you order and/or use.
Specifications given herein may be changed at any time without prior notice. Please confirm technical specifications before you order and/or use.
Aug. 2023
Oct. 2023
Contact our sales representatives before you use our products for applications including automotives, medical equipment and aerospace equipment.
Contact our sales representatives before you use our products for applications including automotives, medical equipment and aerospace equipment.
Malfunction or failure of the products in such applications may cause loss of human life or serious damage.
Malfunction or failure of the products in such applications may cause loss of human life or serious damage.
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