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V360RA8

Part # V360RA8
Description VARISTOR 324V 1.2KA ENCASED
Additional Information:


Category CAPACITOR
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Military Spec
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Technical Document


DISCLAIMER: The information provided herein is solely for informational purposes. Customers must be aware of the suitability of this product for their application, and consider that variable factors such as Manufacturer, Product Category, Date Codes, Pictures and Descriptions may differ from available inventory.

193
Varistor Products
©2009 Littelfuse, Inc.
Revision: November 11, 2009
RA Varistor Series
Low Profile / Application Specific Varistors > RA Series
Specifications are subject to change without notice.
Please refer to www.littelfuse.com/series/ra.html for current information.
RA Series
RA Varistor Series
Description
The RA Series transient surge suppressors are varistors
(MOVs) supplied in a low-profile box that features a precise
seating plane to increase mechanical stability for secure
circuit-board mounting. This feature makes these devices
suitable for industrial applications critical to vibration. Their
construction permits operation up to 125ºC (ambient)
without derating.
The RA Series are available in voltage ratings up to 275V
V
M(AC)RMS
, and energy levels up to 140J. These varistors are
used in automotive, motor-control, telecommunication, and
military applications.
See RA Series Device Ratings and Specifications Table for
part number and brand information.
Features
Agency Approvals
Absolute Maximum Ratings
• For ratings of individual members of a series, see Device Ratings and Specifications chart
Agency Agency File Number
E320116
LR91788
Continuous RA8 Series RA16 Series RA22 Series Units
Steady State Applied Voltage:
AC Voltage Range (V
M(AC)RMS
) 4 to 275 10 to 275 4 to 275 V
DC Voltage Range (V
M(DC)
) 5.5 to 369 14 to 369 18 to 369 V
Transients:
Peak Pulse Current (I
TM
)
For 8/20μs Current Wave (See Figure 2) 100 to 1200 1000 to 4500 2000 to 6500 A
Single Pulse Energy Range (Note 1)
For 10/1000μs Current Wave (W
TM
) 0.4 to 23 3.5 to 75 70 to 160 J
Operating Ambient Temperature Range (T
A
) -55 to +125 -55 to +125 -55 to +125 ºC
Storage Temperature Range (T
STG
) -55 to +150 -55 to +150 -55 to +150 ºC
Temperature Coefficient (a
V
) of Clamping Voltage (V
C
) at Specified Test Current <0.01 <0.01 <0.01 %/ºC
Hi-Pot Encapsulation (COATING Isolation Voltage Capability)
(Delectric must withstand indicated DC voltage for one minute per MIL-STD 202, Method 301)
5000 5000 5000 V
COATING Insulation Resistance 1000 1000 1000
CAUTION: Stresses above those listed in "Absolute Maximum Ratings" may cause permanent damage to the device. This is a stress only rating and
operation of the device at these or any other conditions above those indicated in the operational sections of this specification is not implied.
RoHS
• Lead–free/RoHS
compliant parts
available (add
suffix "x2749")
Low profile outline with
precise seating plane
No derating up to
125ºC ambient
• In-line leads
• Wide operating
voltage range:
V
M(AC)RMS
: 4 – 275V
V
M(DC):
5.5 – 369V
High energy absorption
capability W
TM
up to 140J
3 model sizes available
A8, RA16, and RA22
194
Varistor Products
©2009 Littelfuse, Inc.
Revision: November 11, 2009
RA Varistor Series
Low Profile / Application Specific Varistors > RA Series
Specifications are subject to change without notice.
Please refer to www.littelfuse.com/series/ra.html for current information.
RA Series Ratings & Specifications
Part
Number
Brand
Maximum Rating (125°C) Specifications (25°C)
Continuous Transient
Varistor Voltage at 1mA
DC Test Current
Max Clamping
Volt V
C
at 2.0A
(8/20μs)
Typical
Capacitance
V
RMS
V
DC
Energy
(10/1000μs)
Peak
Current
(8/20μs)
V
M(AC)
V
M(DC)
W
TM
I
TM
Min V
N(DC)
Max V
C
I
p
f = 1MHz
(mm) (V) (V) (J) (A) (V) (V) (V) (V) (A) (pF)
RA8 Series
V8RA8 8R 4 5.5 0.4 150 6 8.2 11.2 22 5 3000
V12RA8 12R 6 8 0.6 150 9 12 16 34 5 2500
V18RA8 18R 10 14 0.8 250 14.4 18 21.6 42 5 2000
V22RA8 22R 14
18
(Note 3)
10
(Note 2)
250 18.7 22 26 47 5 1600
V27RA8 27R 17 22 1.0 250 23 27 31.1 57 5 1300
V33RA8 33R 20 26 1.2 250 29.5 33 36.5 68 5 1100
V39RA8 39R 25 31 1.5 250 35 39 43 79 5 900
V47RA8 47R 30 38 1.8 250 42 47 52 92 5 800
V56RA8 56R 35 45 2.3 250 50 56 62 107 5 700
V68RA8 68R 40 56 3.0 250 61 68 75 127 5 600
V82RA8 82R 50 66 4.0 1200 74 82 91 135 10 500
V100RA8 100R 60 81 5.0 1200 90 100 110 165 10 400
V120RA8 120R 75 102 6.0 1200 108 120 132 205 10 300
V150RA8 150R 95 127 8.0 1200 135 150 165 250 10 250
V180RA8 180R 115 153 10.0 1200 162 180 198 295 10 200
V200RA8 200R 130 175 11.0 1200 184 200 228 340 10 180
V220RA8 220R 140 180 12.0 1200 198 220 242 360 10 160
V240RA8 240R 150 200 13.0 1200 212 240 268 395 10 150
V270RA8 270R 175 225 15.0 1200 247 270 303 455 10 130
V360RA8 360R 230 300 20.0 1200 324 360 396 595 10 100
V390RA8 390R 250 330 21.0 1200 354 390 429 650 10 90
V430RA8 430R 275 369 23.0 1200 389 430 473 710 10 80
RA16 Series
V18RA16 18R16 10 14 3.5 1000 14.4 18 21.6 39 10 11000
V22RA16 22R16 14
18 (Note
3)
50 (Note
2)
1000 18.7 22 26 43 10 9000
V27RA16 27R16 17 22 5.0 1000 23 27 31.1 53 10 7000
V33RA16 33R16 20 26 6.0 1000 29.5 33 36.5 64 10 6000
V39RA16 39R16 25 31 7.2 1000 35 39 43 76 10 5000
V47RA16 47R16 30 38 8.8 1000 42 47 52 89 10 4500
V56RA16 56R16 35 45 10.0 1000 50 56 62 103 10 3900
V68RA16 68R16 40 56 13.0 1000 61 68 75 123 10 3300
V82RA16 82R16 50 66 15.0 4500 74 82 91 145 50 2500
V100RA16 100R16 60 81 20.0 4500 90 100 110 175 50 2000
V120RA16 120R16 75 102 22.0 4500 108 120 132 205 50 1700
V150RA16 150R16 95 127 30.0 4500 135 150 165 255 50 1400
V180RA16 180R16 115 153 35.0 4500 162 180 198 300 50 1100
195
Varistor Products
©2009 Littelfuse, Inc.
Revision: November 11, 2009
RA Varistor Series
Low Profile / Application Specific Varistors > RA Series
Specifications are subject to change without notice.
Please refer to www.littelfuse.com/series/ra.html for current information.
RA Series
Part
Number
Brand
Maximum Rating (125°C) Specifications (25°C)
Continuous Transient
Varistor Voltage at 1mA
DC Test Current
Max Clamping
Volt V
C
at 2.0A
(8/20μs)
Typical
Capacitance
V
RMS
V
DC
Energy
(10/1000μs)
Peak
Current
(8/20μs)
V
M(AC)
V
M(DC)
W
TM
I
TM
Min V
N(DC)
Max V
C
I
p
f = 1MHz
(mm) (V) (V) (J) (A) (V) (V) (V) (V) (A) (pF)
V200RA16 200R16 130 175 38.0 4500 184 200 228 340 50 1000
V220RA16 220R16 140 180 42.0 4500 198 220 242 360 50 900
V240RA16 240R16 150 200 45.0 4500 212 240 268 395 50 800
V270RA16 270R16 175 225 55.0 4500 247 270 303 455 50 700
V360RA16 360R16 230 300 70.0 4500 324 360 396 595 50 550
V390RA16 390R16 250 330 72.0 4500 354 390 429 650 50 500
V430RA16 430R16 275 369 75.0 4500 389 430 473 710 50 450
RA22 Series
V24RA22 24R22 14
18
(Note 3)
100.0
(Note 2)
2000 19.2
24
(Note 4)
26 43 20 18000
V36RA22 36R22 23 31
160.0
(Note 2)
2000 32
36
(Note 4)
40 63 20 12000
V200RA22 200R22 130 175 70.0 6500 184 200 228 340 100 1900
V240RA22 240R22 150 200 80.0 6500 212 240 268 395 100 1600
V270RA22 270R22 175 225 90.0 6500 247 270 303 455 100 1400
V390RA22 390R22 250 330 130.0 6500 354 390 429 650 100 1000
V430RA22 430R22 275 369 140.0 6500 389 430 473 710 100 900
RA Series Ratings & Specifications
NOTES:
1. Average power dissipation of transients not to exceed 0.25W for RA8 Series, 0.60W for RA16 Series, or 1.0W for RA22 Series.
2. Energy ratings for impulse duration of 30ms minimum to one half of peak current value.
3. Also rated to withstand 24V for 5 minutes.
4. 10mA DC Test Current.
Under UL File No. E320116 as a recognized component. CSA approved File No. LR91788.
Should transients occur in rapid succession, the average power
dissipation required is simply the energy (watt-seconds) per pulse
times the number of pulses per second. The power so developed
must be within the specifications shown on the Device Ratings
and Specifications table for the specific device. Furthermore,
the operating values need to be derated at high temperatures as
shown above. Because varistors can only dissipate a relatively
small amount of average power they are, therefore, not suitable
for repetitive applications that involve substantial amounts of aver-
age power dissipation.
Power Dissipation Ratings
100
90
50
10
O
1
T
T
1
T
2
TIME
Peak Pulse Current Test Waveform
0
1
= Virtual Origin of Wave
T = Time from 10% to 90% of Peak
T
1
= Rise Time = 1.25 x T
T
2
= Decay Time
Example - For an 8/20 μs Current Waveform:
8μs = T
1
= Rise Time
20μs = T
2
= Decay Time
100
90
80
70
60
50
40
30
20
10
0
-55 50 60 70 80 90 100 110 120 130 140 150
AMBIENT TEMPERATURE (
o
C)
PERCENT OF RATED VALUE
Figure 1
Figure 2
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