endured pulse power flat chip resistors
(anti-surge, anti-sulfuration)
features
EU
•
Excellent anti-sulfuration characteristic
due to using high sulfuration-proof inner
top electrode material
•
Superior to RK73 series chip resistors
in pulse withstanding voltage and high power
•
Products with lead-free terminations meet EU RoHS
requirements. EU RoHS regulation is not intended for
Pb-glass contained in electrode, resistor element and glass.
•
AEC-Q200 Qualified
dimensions and construction
Type
c
L
c
(Inch Size Code)
L
.039
+.004
-.002
+0.1
)
(1.0
-0.05
Dimensions
inches
(mm)
W
c
d
t
W
Solder
Plating
t
d
Protective
Coating
Resistive Inner
Film
Electrode
Ni
Plating
SG73P 1E
(0402)
SG73P 1J
(0603)
SG73P 2A
(0805)
SG73P 2B
(1205)
SG73P 2E
NEW
SG73P 2E1
+.002
.020±.002 .006±.004 .010
-.004
.014±.002
(0.5±0.05) (0.15±0.1) (0.25
+0.05
) (0.35±0.05)
-0.1
.063±.008 .031±.004 .012±.004 .012±.004 .018±.004
(1.6±0.2)
(0.3±0.1)
(0.8±0.1)
(0.3±0.1) (0.45±0.1)
.079±.008 .049±.004
(2.0±0.2) (1.25±0.1)
.063±.008
(1.6±0.2)
.102±.008
(2.6±0.2)
.012
(0.3
.016
(0.4
+.008
-.004
+0.2
-0.1
)
+.008
-.004
+0.2
)
-0.1
.012
(0.3
.016
(0.4
Ceramic
Substrate
+.008
-.004
+0.2
-0.1
)
+.008
-.004
+0.2
)
-0.1
.020±.004
(0.5±0.1)
One-Pulse Limiting Electric Power
One-Pulse Limiting Electric Power
1000
.126±.008
(3.2±0.2)
.024±.004
(0.6±0.1)
(1210)
100
10
2E,
2E1
2B
2A
1J
1E
1
0.1
.001
The maximum applicable voltage is equal to the
max. overload voltage. Please contact factory for
the resistance characterisitics of continuous
applied pulse.
.01
.1
1
10
100
1000
Pulse Duration
(ms)
ordering information
SG73P
Type
SG73P
2A
Power
Rating
1E
1J
2A
2B
2E
NEW
2E1
RT
Termination
Material
RT: Sn
Anti-Sulfur
TD
Packaging
TP: 0402, 0603, 0805: 7" 2mm pitch punch paper
TD: 0603, 0805, 1206, 1210:
7" 4mm pitch punched paper
TDD: 0603, 0805, 1206, 1210: 10" paper tape
TE: 0805, 1206, 1210: 7" embossed plastic
TED: 0805, 1206, 1210: 10" embossed plastic
For further information on packaging,
please refer to Appendix A
103
Nominal
Resistance
±0.5%, ±1%:
3 significant figures
+ 1 multiplier
±2%, ±5%:
2 significant figures
+ 1 multiplier “R”
indicates decimal
on value <10Ω
J
Resistance
Tolerance
D: ±0.5%
F: ±1%
G: ±2%
J: ±5%
Specifications given herein may be changed at any time without prior notice. Please confirm technical specifications before you order and/or use.
10/25/18
KOA Speer Electronics, Inc.
• 199 Bolivar Drive • Bradford, PA 16701 • USA • 814-362-5536 • Fax: 814-362-8883 • www.koaspeer.com
65
resistors
SG73P-RT
SG73P-RT
endured pulse power flat chip resistors
(anti-surge, anti-sulfuration)
applications and ratings
Part
Designation
SG73P 1E
SG73P 1J
SG73P 2A
SG73P 2B
NEW
SG73P 2E
SG73P 2E1
Power
Rating
0.125W
0.2W*
2
0.2W
0.33W*
2
0.25W
0.5W*
2
0.33W
0.75W*
2
0.5W
0.75W*
2
1.0W*
2
Rated
Ambient
Temp.
70°C
––
70°C
––
70°C
––
70°C
––
70°C
––
––
Rated
Terminal
Part
Temp.
125°C
105°C
125°C
125°C
100°C
125°C
105°C
125°C
110°C
95°C
T.C.R.
(ppm/°C)
Max.
±200
±100*
1
±200
100Ω - 1MΩ 10Ω - 1MΩ 10Ω - 10MΩ 1Ω - 10MΩ
±200
±200
±200
200V
400V
Resistance Range
D: ±0.5%
E-24, E-96
F: ±1%
E-24, E-96
G: ±2%
E-24
J: ±5%
E-24
Maximum Maximum Operating
Temp.
Working Overload
Range
Voltage
Voltage
75V
150V
400V
100V
200V
600V
(800V)*
3
-55°C
to
+155°C
% Rated Power
% Rated Power
60
40
20
0
-60 -40 -20
-55
60
40
20
0
-60 -40 -20
-55
% Rated Power
resistors
100
80
100
80
*
1
Cold T.C.R. (-55°C ~ +25°C) is ±150x10
-6
/K *
2
If you want to use the rated power of *
2
, *
3
please reference below. *
3
Applies when power
rating is 0.4W or lower.
Rated voltage =
√Power
rating x resistance value or max. working voltage, whichever is lower
If any questions should arise whether to use the “Rated Ambient Temperature” or the “Rated Terminal Part Temperature,” please give priority
to the “Rated Terminal Part Temperature.” Prior to use and for more details refer to “Introduction of the derating curves on the terminal part
temperature” in the beginning of the catalog. Also, contact KOA prior to usage and for the max. working voltage and max. overload voltage.
environmental applications
Derating Curve
1E/0.125W
1J/0.2W
2A/0.25W
2B/0.33W
2E/0.5W
100
80
60
40
20
0
-60 -40 -20
-55
2E1/1W (95°C)
2A/0.5W (100°C)
1E/0.2W,
2B/0.75W (105°C)
2E/0.75W (110°C)
1J/0.33W (125°C)
0
80 100 120 140 160
70
155
Ambient Temperature
(°C)
20
40
60
0
100 120 140 160
125
155
Terminal Part Temperature
(°C)
20
40
60 80
0
20 40 60 80
100 120 140 160
95 105 110 125
155
Terminal Part Temperature
(°C)
For resistors operated at an ambient temperature
of 70°C or above, a power rating shall be derated
in accordance with the derating curve.
For resistors operated at a terminal part temperature of described for each size or above,
a power rating shall be derated in accordance with the derating curve.
Please refer to “Introduction of the derating curve based on the terminal part temperature”
in the beginning of our catalog before use.
*
2
, *
3
If you want to use the rated power of *
2
, *
3
please use the derating curve based on
the terminal part temperature on the right hand side.
Performance Characteristics
Parameter
Resistance
T.C.R.
Overload (Short time)
Resistance to Solder Heat
Rapid Change of Temperature
Moisture Resistance
Endurance at 70°C
High Temperature Exposure
Sulfuration Test
Requirement
∆
R ±(%+0.1Ω)
Limit
Typical
Within specified
—
tolerance
Within specified
—
T.C.R.
±2%
±1%
±0.5%
±3%
±3%
±1%
±5%
±0.5%
±0.75%
±0.3%
±0.75%
±0.75%
±0.3%
±0.2%
Test Method
25°C
+25°C/-55°C and +25°C/+125°C
Rated Voltage x 2.5 for 5 seconds (2A: 0.4W, 0.5W; 2B: 0.75W; 2E: 0.75W;
2E1: 1W x 2 for 5 seconds)
260°C ± 5°C, 10 seconds ± 1 second
-55°C (30 minutes), +125°C (30 minutes), 100 cycles
40°C ± 2°C, 90%~95%RH, 1000 hours; 1.5 hr ON, 0.5 hr OFF cycle
70°C ± 2°C, 1000 hours, 1.5 hr ON, 0.5 hr OFF cycle
+155°C, 1000 hours
Soaked in industrial oil with 3.5% sulfur concentration 105°C ± 3°C, 500 hours
Additional environmental applications can also be found at www.koaspeer.com
Specifications given herein may be changed at any time without prior notice. Please confirm technical specifications before you order and/or use.
10/25/18
66
KOA Speer Electronics, Inc.
• 199 Bolivar Drive • Bradford, PA 16701 • USA • 814-362-5536 • Fax: 814-362-8883 • www.koaspeer.com
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