SG73
surge current thick film chip resistor
EU
features
• RuO thick film resistor element
2
• Anti-leaching nickel barrier terminations
• Meets or exceeds EIA 575, EIAJ RC 2690A,
EIA PDP-100, MIL-R-55342F
• Superior to RK73B/RK73H series in surge dielectric
withstanding voltage
• Marking: White three-digit on wine red protective coat,
SG73P: White three-digit, SG73S: black three-digit
on green protective coating
• Products with lead-free terminations meet EU RoHS requirements.
Pb located in glass material, electrode and resistor element is
exempt per Annex 1, exemption 5 of EU directive 2005/95/EC
dimensions and construction
Type
(Inch Size Code)
Dimensions inches (mm1
L
W
c
d
t
L
SG731J,SG73P1J
SG73S1J
.063 .008 .031 .004 .012 .004 .012 .004 .018 .004
c
c
(ꢀ.6 0.ꢁ1
(0.8 0.ꢀ1
(0.ꢂ 0.ꢀ1
(0.ꢂ 0.ꢀ1 (0.45 0.ꢀ1
(0603)
W
d
SG732A
(0805)
.016 .008
+.008
(0.4 0.ꢁ1
Solder
Plating
.012
.079 .008 .049 .004
-.004
.02 .004
SG73P2A,
SG73S2A
(0805)
.012
(0.ꢂ +-00..ꢁꢀ1
+.008
-.004
(ꢁ.0 0.ꢁ1 (ꢀ.ꢁ5 0.ꢀ1
(0.5 0.ꢀ1
Ni
t
Plating
(0.ꢂ +-00..ꢁꢀ1
Protective
Coating
Resistive Inner
Film Electrode
SG732B
(1206)
.02 .012
(0.5 0.ꢂ1
Ceramic
Substrate
.063 .008
(ꢀ.6 0.ꢁ1
+.008
.016
SG73P2B,
SG73S2B
(1206)
-.004
Derating Curve
(0.4 +-00..ꢁꢀ1
.126 .008
(ꢂ.ꢁ 0.ꢁ1
100
SG732E
(1210)
.02 .012
(0.5 0.ꢂ1
+.008
.016
-.004
80
(0.4 +-00..ꢁꢀ1
.102 .008
(ꢁ.6 0.ꢁ1
+.008
.016
SG73P2E,
SG73S2E
(1210)
60
40
-.004
.024 .004
(0.6 0.ꢀ1
(0.4 +-00..ꢁꢀ1
SG732H
(2010)
20
0
.197 .008 .098 .008
(5.0 0.ꢁ1
(ꢁ.5 0.ꢁ1
SG73W2H
(2010)
.026 .006
(0.65 0.ꢀ51
-60 -40 -20
-55
0
20 40 60 80 100 120 140 160
70
Ambient Temperature
(°C)
155
.02 .012
(0.5 0.ꢂ1
+.008
-.004
.016
SG733A
(2512)
(0.4 +-00..ꢁꢀ1
.248 .008 .122 .008
(6.ꢂ 0.ꢁ1 (ꢂ.ꢀ 0.ꢁ1
SG73W3A
(2512)
.026 .006
(0.65 0.ꢀ51
ordering information
New Part #
SG73
2B
T
TD
102
K
Termination
Material
Nominal
Resistance
Type
Size
Packaging
Tolerance
SG73
SG73P
SG73S
1J
2A
T: Sn
TP: 0603, 0805: 7" 2mm pitch punch paper
TD: 0603, 0805, 1206, 1210:
7" 2mm pitch punched paper
TDD: 0603, 0805, 1206, 1210: 10" paper tape
TE: 0805, 1206, 1210, 2010 & 2512:
7" punched plastic
TED: 0805, 1206, 1210, 2010 & 2512:
10" punched plastic
For further information on packaging,
please refer to Appendix A
0.5%, 1%: 3
D: 0.5%
F: 1%
G: 2%
J: 5%
K: 10%
M: 20%
significant figures
+ 1 multiplier “R”
indicates decimal
on value <100Ω
(Other termination
styles may be
available, please
contact factory
for options)
2B
2E
2H
2%, 5%, 10%,
20%: 2 significant
figures + 1 multiplier
“R” indicates decimal
on value <10Ω
3A
W2H
W3A
Specifications given herein may be changed at any time without prior notice. Please confirm technical specifications before you order and/or use.
12/16/08
24
KOA Speer Electronics, Inc. • 199 Bolivar Drive • Bradford, PA 16701 • USA • 814-362-5536 • Fax: 814-362-8883 • www.koaspeer.com