RESISTORS
RESISTORS
SURgE CURREnT
anTI SULFURaTIOn
Sg73 RT
FLAT CHIP
STRUCTURE
1
2
3
4
5
6
7
8
9
Ceramic substrate
Top termination
Bottom termination
Resistive layer
Glass layer
Protective layer
End termination
Diffusion barrier
(Ni)
Solder plating
IDEnTIFICaTIOn
PRODUCT CODE
Sg73
COaTIng
COLOR
Wine red
MaRKIng
White, 3 digits
all these products have Pb-free terminations
and meet EU-RoHS requirements
TYPE DESIgnaTIOn (HOW TO ORDER)
Sg73
PRODUCT CODE
SG73
2a
STYLE
1J…W3A
RT
TERMINATION
SURFACE MATERIAL
RT: Sn
TD
TAPING*
TP, TD, TE, BK
*Please see “PACKAGING”
103
NOMINAL
RESISTANCE
3 digits
K
TOLERANCE
K: (±10%)
M: (±20%)
Contact us when you have control request
for environmental hazardous material other
than the substance specified by EU-RoHS
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 .
Specifications given herein may be changed at any time without prior notice.
Please confirm technical specifications before you order/or use.
FEaTURES
■
Excellent anti-sulfuration characteristic due to using
high sulfuration-proof inner top electrode
■
Anti-leaching nickel barrier terminations
■
Superior to chip resistor of RK73 series in surge
withstanding voltage and pulse withstanding voltage
■
Ideal for use in E.C.U’s and in circuits to catch
inductive lightning surge
■
Suitable for use in car electronics, power supplies,
industrial robots, etc .
■
Rated ambient temperature: +70° C
■
Operating temperature range: -55° C … +155° C
■
Meets or exceeds IEC 60 115-8, JIS C 5201-8, EIAJ RC-2134B
■
Suitable for reflow and wave soldering
DIMEnSIOnS (mm)
SIZE
0603
0805
1206
1210
2010
2512
TYPE
Sg73 1J
Sg73 2a
Sg73 2B
Sg73 2E
Sg73 W2H
Sg73 W3a
L ±0.2
1.6
2.0
3.2
5.0
6.3
W
0.8 ± 0.1
1.25 ± 0.1
1.6 ± 0.2
2.6 ± 0.2
2.5 ± 0.2
3.1 ± 0.2
c
0.3 ± 0.1
0.4 ± 0.2
0.5 ± 0.3
d
0.3 ± 0.1
+ 0.2
0.3
–
0.1
0.4
+ 0.2
– 0.1
t ±0.1
0.45
0.5
0.6
0.65 ± 0.15
OnE-PULSE LIMITIng ELECTRIC POWER
DERaTIng CURVE
Ambient temperature (°C)
RaTIng
SIZE
0603
0805
1206
1210
2010
2512
TYPE
Sg73 1J RT
T.C.R.
(ppm/K)
± 400
± 200
± 400
± 200
± 400
± 200
± 400
± 200
± 400
± 200
± 400
± 200
POWER*
RaTIng
0.1 W
0.125 W
0.25 W
0.33 W
0.75 W
1W
MaX.
WORKIng
VOLTagE
50 V
150 V
200 V
MaX.
OVERLOaD
VOLTagE
100 V
RESISTanCE RangE
K (± 10%)
E12
M (± 20%)
E12
Sg73 2a RT
Sg73 2B RT
Sg73 2E RT
Sg73 W2H RT
Sg73 W3a RT
200 V
400 V
1 Ω … 8.2 Ω
10 Ω … 1 MΩ
1 Ω … 8.2 Ω
10 Ω … 1 MΩ
1 Ω … 8.2 Ω
10 Ω … 1 MΩ
1 Ω … 8.2 Ω
10 Ω … 1 MΩ
1 Ω … 8.2 Ω
10 Ω … 1 MΩ
1 Ω … 8.2 Ω
10 Ω … 1 MΩ
1 Ω … 8.2 Ω
10 Ω … 1 MΩ
1 Ω … 8.2 Ω
10 Ω … 1 MΩ
1 Ω … 8.2 Ω
10 Ω … 1 MΩ
1 Ω … 8.2 Ω
10 Ω … 1 MΩ
1 Ω … 8.2 Ω
10 Ω … 1 MΩ
1 Ω … 8.2 Ω
10 Ω … 1 MΩ
z
Rated voltage = Power rating x resistance value or max. working voltage, whichever is lower.
* For resistors operated in ambient temperature over +70°C, power rating shall be derated like shown in above „DERATING CURVE
“ .
EUROPE GmbH • Kaddenbusch 6 • D-25578 Dägeling / ITZEHOE • PHONE: +49 (0) 48 21 / 89 89-0 • FAX: +49 (0) 48 21/ 89 89 89 • Internet: www.koaeurope.de
14
Revision: 14. Dec. 2009
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