RK73-RT
flat chip resistors (anti-sulfuration)
applications and ratings
Part
Designation
RK73B1E
RK73H1E
RK73B1J
RK73H1J
RK73B2A
RK73H2A
RK73B2B
RK73H2B
RK73B2E
RK73H2E
RK73BW2H
RK73HW2H
RK73BW3A
RK73HW3A
Power
T.C.R.
Rating (ppm/°C)
Max.
@ 70°C
0.063W
0.1W
0.125W
0.25W
0.5W
0.33W
0.5W
0.33W
0.75W
1W
±200
±100
±200
±100
±200
±100
±200
±100
±200
±100
±200
±100
±200
±100
Resistance Range
RK73H
RK73B
E24, E96
E24, E96
E24
E24
(D±0.5%)
(F±1%)
(G±2%)
(J±5%)
––
1.02MΩ - 10MΩ 10Ω - 10MΩ 1Ω - 10MΩ
—
—
100Ω - 1MΩ 10Ω - 1MΩ
––
1.02MΩ - 10MΩ 10Ω - 10MΩ 1Ω - 10MΩ
100Ω - 1MΩ 10Ω - 1MΩ
—
—
1.02MΩ - 10MΩ 10Ω - 10MΩ 1Ω - 10MΩ
—
100Ω - 1MΩ 10Ω - 1MΩ
—
—
—
1.02MΩ - 10MΩ 10Ω - 10MΩ 1Ω - 10MΩ
100Ω - 1MΩ
10Ω - 1MΩ
—
—
10Ω - 1kΩ
1Ω - 1kΩ
—
—
1.1kΩ - 1MΩ 1.1kΩ - 1MΩ
100Ω - 1kΩ
10Ω - 1kΩ
—
—
1.02kΩ - 1MΩ 1.02kΩ - 1MΩ
1.02MΩ - 10MΩ 10Ω - 10MΩ 1Ω - 10MΩ
—
10Ω - 1MΩ
10Ω - 1MΩ
—
—
—
1.02MΩ - 10MΩ 10Ω - 10MΩ 1Ω - 10MΩ
10Ω - 1MΩ
10Ω - 1MΩ
—
—
Maximum
Surge
Current
2A
5A
50mΩ max.
2A
10A
+70°C
-55°C to +155°C
Maximum
Working
Voltage
Maximum
Overload
Voltage
Rated
Ambient
Temp.
Operating
Temp.
Range
resistors
50V
100V
150V
200V
-55°C
to
+155°C
+70°C
200V
400V
Part
Designation*
RK73Z1E
RK73Z1J
RK73Z2A
RK73Z2B
RK73Z2E
RK73ZW2H
RK73ZW3A
Resistance
Current
Rating
1A
Rated
Ambient
Temperature
Operating
Temperature
Range
environmental applications
Performance Characteristics
Parameter
Resistance
T.C.R.
Overload (Short time)
RK73H, RK73B Requirement
∆
R
Limit
Typical
Within specified
—
tolerance
Within specified
—
T.C.R.
±2%
±0.8%
RK73Z Requirement
∆
R
Limit
Typical
R≤50mΩ
N/A
R≤50mΩ
R≤40mΩ
N/A
R≤40mΩ
25°C
+25°C/-55°C and +25°C/+125°C
RK73B, RK73H Rated Voltage x 2.5 for 5 seconds
(2B: Rated Voltage x 2 for 5 seconds)
RK73Z: Max. surge current 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
H
2
S 1000 ppm, 25°C, 90%Rh, 720 hours
Test Method
Resistance to Solder Heat
Rapid Change of Temperature
Moisture Resistance
Endurance at 70°C
High Temperature Exposure
Sulfuration Test
±1%, ±3%*
±0.5%
±2%: 1J, 2A, 2B
±3%: Another
±2%: 1J, 2A, 2B
±3%: Another
±1%
—
±1%, ±0.5%**
±0.3%
±0.75%: 1J, 2A,
2B; ±1%: Another
±0.75%: 1J, 2A,
2B; ±1%: Another
±0.5%
±0.5%
R≤50mΩ
R≤50mΩ
R≤100mΩ
R≤100mΩ
R≤50mΩ
—
R≤40mΩ
R≤40mΩ
R≤50mΩ
R≤50mΩ
R≤40mΩ
R≤40mΩ
* ±1%: 10Ω≤R≤1MΩ; ±3%: R<10Ω, R>1MΩ
** ±1%: R<10Ω, R>1MΩ; ±0.5%: Another
10/30/08
Specifications given herein may be changed at any time without prior notice. Please confirm technical specifications before you order and/or use.
KOA Speer Electronics, Inc.
• 199 Bolivar Drive • Bradford, PA 16701 • USA • 814-362-5536 • Fax: 814-362-8883 • www.koaspeer.com
15
KOA [ KOA SPEER ELECTRONICS, INC. ]
