Protective
Coating Inner
Electrode
Resistive
Film
Ceramic
Substrate
Solder
Plating
Ni
Plating
Lcc
W
t
d
8
RK73B
general purpose 2%, 5% tolerance
thick film chip resistor
features
•RuO2thick film resistor element
•Anti-leaching nickel barrier terminations
•Also available with epoxy bondable palladium
silver terminations in 1J, 2A and 2B sizes.
•Meets or exceeds EIA 575, EIAJ RC 2690A,
EIA PDP-100, MIL-R-55342F
•Marking: White three-digit on black protective coat
No marking on 1F, 1H and 1E sizes
KOA Speer Electronics, Inc. • Bolivar Drive • P.O. Box 547 • Bradford, PA 16701 • USA • 814-362-5536 • Fax: 814-362-8883 • 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. 4/20/05
For further information on packaging, please refer to Appendix A.
dimensions and construction
Type
L
1H
(0201)
.024±.001
(0.6±0.03)
.039 +.004
-.002
(1.0 +0.1 )
-0.05
.01 +.002
-.004
(0.25 +0.05)
-0.1
.012 +.008
-.004
(0.3 +0.2 )
-0.1
.016 +.008
-.004
(0.4 +0.2 )
-0.1
.012±.001
(0.3±0.03)
.004±.002
(0.1±0.05)
.006±.002
(0.15±0.05)
.009±.001
(0.23±0.03)
.014±.002
(0.35±0.05)
.018±.004
(0.45±0.1)
.012±.004
(0.3±0.1)
.02±.004
(0.5±0.1)
.024±.004
(0.6±0.1)
.008±.004
(0.2±0.1)
.012±.004
(0.3±0.1)
.016±.008
(0.4±0.2)
.02±.012
(0.5±0.3)
.063±.008
(1.6±0.2)
.102±.008
(2.6±0.2)
.098±.008
(2.5±0.2)
.122±.008
(3.1±0.2)
.126±.008
(3.2±0.2)
.049±.004
(1.25±0.1)
.031±.004
(0.8±0.1)
.02±.002
(0.5±0.05)
.063±.008
(1.6±0.2)
.079±.008
(2.0±0.2)
.197±.008
(5.0±0.2)
.248±.008
(6.3±0.2)
1E
(0402)
1J
(0603)
2A
(0805)
2B
(1206)
2H
(2010)
3A
(2512)
(Inch Size Code) Wc d t
Dimensions inches (mm)
ordering information
G: ±2%
J: ±5%
T: Sn
X: AgPd**
G: Au*
L: SnPb
2 significant
figures + 1
multiplier
“R” indicates
decimal on
value <10Ω
1F
1H
1E
1J
2A
2B
2E
2H
3A
TC: 2mm pitch punched pressed paper
(01005 & 0201 only)
TB: 2mm pitch pressed paper
(0201 only)
TP: 2mm pitch punched paper
(0402 & 0603)
TD: 7" paper tape
(0603, 0805, 1206 &1210)
TDD: 10" paper tape
(0603, 0805, 1206 &1210)
TE: 7" punched plastic
(0805, 1206, 1210, 2010 & 2512)
TED: 10" punched plastic
(0805, 1206, 1210, 2010 & 2512)
RK73B
Type Size Nominal
Resistance Tolerance
Termination
Material Packaging
New Part # 2B TD 102 JT
2E
(1210)
resistors
* Available ONLY in 1E, 1J
and 2A (10Ω- 1MΩ) chip sizes
** Available ONLY in 1J, 2A and 2B (10Ω~ 22MΩ) chip sizes
1F
(01005)
.015±.001
(0.4±0.02)
.007±.001
(0.2±0.02)
.004±.001
(0.1±0.03)
.004±.001
(0.1±0.03)
.005±.001
(0.12±0.02)
.025±.005
(0.65±0.15)
NEW
For complete environmental specifications,
please refer to pages 24-25.
RK73B
general purpose 2%, 5% tolerance
thick film chip resistor
* Parenthesis indicate EIA package size codes.
** See Appendix D for available decade values.
*** IJ, 2A, 2B sizes available -55°C to +175°C (contact factory).
Absolute
Maximum
Working
Voltage
Resistance
Range
E-24**
(J±5%)
Resistance
Range
E-24**
(G±2%)
Part
Designation*
Absolute
Maximum
Overload
Voltage
Operating
Temperature
Range***
Power
Rating
@ 70°C
T.C.R.
(ppm/°C)
Max.
applications and ratings
RK73B1H
(0201)
RK73B1E
(0402)
1/20W (.05W)
1/16W (.063W)
RK73B1J
(0603) 1/10W (.10W)
RK73B2A
(0805) 1/8W (.125W)
RK73B2B
(1206)
RK73B2E
(1210)
1/4W (.25W)
±200 10Ω- 10MΩ10Ω- 10MΩ
25V 50V
50V 100V
150V 300V
200V
400V
-55°C to +125°C
-55°C to +155°C
±200 10Ω- 1MΩ
±400
±400
—
10Ω- 10MΩ
1.0Ω- 9.1Ω
RK73B2H
(2010)
RK73B3A
(2512)
3/4W (.75W)
1W
±200 10Ω- 10MΩ10Ω- 10MΩ
1Ω- 9.1Ω
11MΩ- 22MΩ
10Ω- 1MΩ
1Ω- 9.1Ω
1.1MΩ- 22MΩ
10Ω- 5.6MΩ
1Ω- 9.1Ω
6.2MΩ- 22MΩ
1Ω- 9.1Ω
6.2MΩ- 22MΩ
1Ω- 9.1Ω
6.2MΩ- 22MΩ
1Ω- 9.1Ω
10Ω- 1MΩ
1Ω- 9.1Ω
1.1MΩ- 10MΩ
10Ω- 5.6MΩ
10Ω- 1KΩ
1.1KΩ- 5.6MΩ
10Ω- 5.6MΩ10Ω- 5.6MΩ
10Ω- 5.6MΩ10Ω- 5.6MΩ
10Ω- 1KΩ
1.1KΩ- 5.6MΩ
1Ω- 9.1Ω
6.2MΩ- 10MΩ
1Ω- 9.1Ω
6.2MΩ- 10MΩ
±200
±400
±200
±200
±400
1/2W (.50W)
1/3W (.33W)
1/2W (.50W)
1/3W (.33W)
±400
—
—
—
±200
±400
±200
±400
Derating Curve Surface Temperature Rise
environmental applications
% Rated Power
100
80
60
40
20
20 40 60 80 100 120 140 160 180
12570
Ambient Temperature
(°C)
1F, 1H 1E, 1J, 2A, 2B, 2E, 2H, 3A
00
155
Temperature Rise
(°C)
125
100
75
50
25
25 50 75 100
% Rated Power
2B
3A
2H
2E
2A
1J
1H, 1E
0
0
9
KOA Speer Electronics, Inc. • Bolivar Drive • P.O. Box 547 • Bradford, PA 16701 • USA • 814-362-5536 • Fax: 814-362-8883 • 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. 5/15/05
±400 — 1Ω- 9.1Ω
resistors
UNDER
DEVELOPMENT
±250 10Ω- 1MΩ10Ω- 1MΩ
1/32W (.03W)
RK73B1F (01005) 15V 30V
500V
