OX/OY Series
Ceramic Composition
10% Tolerance
The OX/OY Series of fixed
ceramic resistors are ideal for
circuitry associated with surges,
high peak power or high energy.
They offer enhanced perfor-
mance in high voltage power
supplies, R-C snubber circuits,
and inrush limiters. The OX/
OY resistors can often replace
carbon composition resistors
which can be difficult to source.
Series
OX
OY
F e at u r e S
• Replaces 1 and 2 watt
carbon composition
resistors
• Meets high energy
density demands
• High peak power
• 10% Tolerance
S e r I e S S P e C I F I C at I O N S
* at 70°C. **For a single impulse.
Watts max.*
1
2
Resistance range
3.3Ω-100K
3.3Ω-1M
Joules max.**
50
80
Max. working volts
300
400
CharaCterItICS
Terminals
Pb-free solder-coated axial
Coating
Silicone ceramic
Derating
Linear from 100% @ +70°C to
0% @ +200°C
Operating Temp.
-40°C to +220°C
Range
Tolerance
±10% standard
Power Rating
Based on 70°C free air rating
Temperature
-1300 ±300ppm/°C.
Coefficient
OX
Max Working Voltage
300V
Dielectric Strength
500V
Max Overload Voltage
600V
Max Pulse Voltage
1
14KV
OY
400V
½R/R
Test Condition
Life Test
MIL-STD-202, Method 108
Short Time Overload
2x rated V, 5 sec ON @ 70°C
Resistance to Pulse
1
20,000 cycles. See circuit for test
conditions
Thermal Shock
MIL-STD-202, Method 107
Moisture Resistance
1000 hrs @ 40°C,
90 - 95% RH
Maximum ∆R
±5%
±(2% +0.05Ω)
±5%
±(2% ±0.05Ω)
±5%
Resistance to Pulse
0.80%
0.60%
0.40%
0.20%
0.00%
1 Kohm
100 ohms
0
100
1,000
Cycles
10,000
20,000
OY Series
DC 20KV
see circuit for
test conditions
10 Kohms
700V
800V
20KV
Pulse Tolerance,
1240V @ 52µF, 1640V @ 52µF,
70J/35 sec.
100 pulses
40J/ 35 sec.
1
See
figures
1 sec. on / 1 sec. off
10 kohm
Max. Pulse
Voltage
1000 pF
0.80%
0.60%
OX Series
DC 14KV
see circuit for
test conditions
10 Kohms
14KV and 20KV val-
ues used in circuit as
shown; full voltage
R.U.T.
not applied directly to
resistor.
½R/R
0.40%
0.20%
0.00%
1 Kohm
100 ohms
0
100
1,000
Cycles
10,000
20,000
(continued)
1-866-9-OHMITE • Int’l 1-847-258-0300 • Fax 1-847-574-7522 • www.ohmite.com • info@ohmite.com
55
OX/OY Series
Ceramic Composition
10% Tolerance
in./mm
1.50"
±.118
38.0mm
±3*
*approx. 27mm for
taped & reeled units
Length L
±.039 (±1.0)
0.748 / 19.0
0.65 / 16.5
dImeNSIONS
L
D
0.031" nom.
(0.8mm)
Tape and Reel Dimensions
2.5mm
max.
63mm
±1
6.2mm
±.5
13"
3"
C
Length C
max.
0.748 / 19.0
0.886 / 22.5
Diameter D
±.039 (±1.0)
0.217 / 5.5
0.276 / 7.0
Qty. per
reel
1000
500
2.88"
10.16mm
±.80
0.80mm
max.
Series
OX
OY
ø 1.13"
L
1
– L
2
= 1mm max.
L
1
L
2
O r d e r I N g I N F O r m at I O N
Standard part numbers for OX/OY Series
Ohmic value
Ohmic value
Ohmic value
Ohmic value
Ohmic value
Part No.
Prefix
Suffix
––33GKE
––39GKE
––47GKE
––56GKE
––68GKE
––82GKE
––100KE
––120KE
––150KE
––180KE
––220KE
Wattage
1
2
OX–
OY–
Part No.
Prefix
Suffix
––270KE
––330KE
––390KE
––470KE
––560KE
––680KE
––820KE
––101KE
––121KE
––151KE
––181KE
Wattage
1
2
OX–
OY–
Part No.
Prefix
Suffix
––221KE
––271KE
––331KE
––391KE
––471KE
––561KE
––681KE
––821KE
––102KE
––122KE
––152KE
Wattage
1
2
OX–
OY–
Part No.
Prefix
Suffix
––182KE
––222KE
––272KE
––332KE
––392KE
––472KE
––562KE
––682KE
––822KE
––103KE
––123KE
Wattage
1
2
OX–
OY–
Part No.
Prefix
Suffix
––153KE
––183KE
––223KE
––273KE
––333KE
––393KE
––473KE
––563KE
––683KE
––823KE
––104KE
Wattage
1
2
OX–
OY–
Ohmic value
Part No.
Prefix
Suffix
––124KE
––154KE
––184KE
––224KE
––274KE
––334KE
––394KE
––474KE
––564KE
––684KE
––824KE
––105KE
Wattage
1
OX–
OY–
2
3.3
3.9
4.7
5.6
6.8
8.2
10
12
15
18
22
27
33
39
47
56
68
82
100
120
150
180
220
270
330
390
470
560
680
820
1000
1200
1500
1800
2200
2700
3300
3900
4700
5600
6800
8200
10000
12000
15000
18000
22000
27000
33000
39000
47000
56000
68000
82000
100000
120000
150000
180000
220000
270000
330000
390000
470000
560000
680000
820000
1 MEG
RoHS Compliant
Packaging
TR = tape & reel
B = bulk
O X 8 2 G K E
-TR
Size
Tolerance
Ohm Value
OX = 1W Example:
K = 10% Standard
OY = 2W 33G = 3.3 Ohms
330 = 33 Ohms
331 = 330 Ohms
56
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