datasheet search site | www.alldatasheet.com

20KPA SERIES
20000 Watts Axial Leaded Transient Voltage Suppressor
Features
· Plastic package has Underwriters Laboratory
Flammability Classification 94V-0
· Glass passivated junction
· 20000W Peak Pulse Power
A
B
A
capability on 10/1000 µs waveform
· Excellent clamping capability
· Repetition rate (duty cycle):0.05%
· Low incremental surge resistance
· Fast response time: typically less
D
than 1.0 ps from 0 volts to BV
C
R-6
Dim
Min
Max
A
25.4
—
B
8.60
9.10
C
1.20
1.30
D
8.60
9.10
All Dimensions in mm
· Typical Id less than 1µA above 10V
· High temperature soldering guaranteed:
265°C/10 seconds/.375", (9.5mm) lead
length, 5lbs., (2.3kg) tension
Mechanical Data
· Case:Molded plastic over glass passivated junction
· Terminals: Plated Axial leads, solderable per
MIL-STD-750, Method 2026
· Polarity: Color band denoted positive end (cathode)
except Bipolar
· Mounting Position: Any
· Weight: 0.07 ounce, 2.1 gram
Maximum Ratings and Electrical Characteristics @ TA = 25°C unless otherwise specified
RATING
SYMBOL
VALUE
Peak Pulse Power Dissipation on 10/1000 µs
Pppm
Minimum 20000
waveform (NOTE 1)
Peak Pulse Current of on 10-1000 µs waveform
Ippm
SEE TABLE 1
(NOTE 1)
Steady State Power Dissipation at Tl=75 °C
Pm(AV)
8.0
Lead Lengths.375", (9.5mm)(NOTE 2)
Peak Forward Surge Current, 8.3ms Sine-Wave
IFSM
400.0
Superimposed on Rated Load, (JEDEC Method)
(NOTE 3)
Operatings and Storage Temperature Range
Tj, Tstg
-55 to +175
NOTES:
1.Non-repetitive current pulse, per Fig.3 and derated above Ta=25 °C per Fig.2.
2.Mounted on Copper Pad area of 0.8x0.8" (20x20mm) per Fig.5.
3.8.3ms single half sine-wave, or equivalent square wave, Duty cycle=4 pulses per minutes maximum
1of4
UNITS
Watts
Amps
Watts
Amps
°C
Part Number
TEST
REVERSE BREAKDOWN
VOLTAGE
CURRENT
STANDOFF
VBR (V)
(IT )
VOLTAGE
VRWM (V)
MIN. @ IT
mA
MAXIMUM
PEAK
REVERSE
CLAMPING PULSE
LEAKAGE
VOLTAGE CURRENT @ VRWM IR
@IPP Vc (V)
IPP (A)
(µA)
20KPA20CA
20KPA20A
20KPA24CA
20KPA24A
20.00
20.00
24.00
24.00
22.34
22.34
26.81
26.81
50
50
50
50
36.8
36.8
41.2
41.2
548.9
548.9
490.3
490.3
5000
5000
5000
5000
20KPA26CA
20KPA26A
20KPA28CA
20KPA28A
26.00
26.00
28.00
28.00
29.04
29.04
31.28
31.28
50
50
50
50
44.7
44.7
48.0
48.0
451.9
451.9
420.8
420.8
2000
2000
1000
1000
20KPA30CA
20KPA30A
20KPA32CA
20KPA32A
30.00
30.00
32.00
32.00
33.51
33.51
35.74
35.74
5
5
5
5
51.5
51.5
54.3
54.3
392.2
392.2
372.0
372.0
250
250
150
150
20KPA34CA
20KPA34A
20KPA36CA
20KPA36A
34.00
34.00
36.00
36.00
38.00
38.00
40.20
40.20
5
5
5
5
57.5
57.5
61.5
61.5
351.3
351.3
328.5
328.5
50
50
20
20
20KPA40CA
20KPA40A
20KPA44CA
20KPA44A
40.00
40.00
44.00
44.00
44.70
44.70
49.10
49.10
5
5
5
5
67.8
67.8
72.7
72.7
297.9
297.9
277.9
277.9
15
15
10
10
20KPA48CA
20KPA48A
20KPA52CA
20KPA52A
48.00
48.00
52.00
52.00
53.60
53.60
58.10
58.10
5
5
5
5
79.4
79.4
85.8
85.8
254.4
254.4
235.4
235.4
10
10
10
10
20KPA56CA
20KPA56A
20KPA60CA
20KPA60A
56.00
56.00
60.00
60.00
62.60
62.60
67.00
67.00
5
5
5
5
92.6
92.6
97.6
97.6
218.1
218.1
207.0
207.0
10
10
10
10
20KPA64CA
20KPA64A
20KPA68CA
20KPA68A
64.00
64.00
68.00
68.00
71.50
71.50
76.00
76.00
5
5
5
5
104.0
104.0
110.0
110.0
194.2
194.2
183.6
183.6
10
10
10
10
20KPA72CA
20KPA72A
20KPA80CA
20KPA80A
72.00
72.00
80.00
80.00
80.40
80.40
89.40
89.40
5
5
5
5
116.0
116.0
130.0
130.0
174.1
174.1
155.4
155.4
10
10
10
10
142.3
142.3
130.3
130.3
10
10
10
10
20KPA88CA
88.00
98.30
5
142.0
88.00
98.30
5
142.0
20KPA88A
96.00
107.20
5
155.0
20KPA96CA
96.00
107.20
5
155.0
20KPA96A
For bidirectional type having Vrwm of 40 volts and less, the IR limit is double
For parts without A , the VBR is + 10%
2of4
Part Number
REVERSE BREAKDOWN
TEST
VOLTAGE
STANDOFF
CURRENT
VBR (V)
(IT )
VOLTAGE
VRWM (V)
MIN. @ IT
mA
MAXIMUM
CLAMPING
VOLTAGE
@IPP Vc (V)
PEAK
REVERSE
PULSE
LEAKAGE
CURRENT @ VRWM IR
IPP (A)
(µA)
104.00
104.00
112.00
112.00
116.20
116.20
125.10
125.10
5
5
5
5
168.0
168.0
182.0
182.0
120.2
120.2
111.0
111.0
10
10
10
10
120.00
120.00
132.00
132.00
144.00
144.00
160.00
160.00
134.00
134.00
147.40
147.40
160.80
160.80
178.70
178.70
5
5
5
5
5
5
5
5
194.0
194.0
213.0
213.0
232.0
232.0
258.0
258.0
104.1
104.1
94.8
94.8
87.1
87.1
78.3
78.3
10
10
10
10
10
10
10
10
20KPA192CA
20KPA192A
20KPA204CA
20KPA204A
172.00
172.00
180.00
180.00
192.00
192.00
204.00
204.00
192.10
192.10
201.10
201.10
214.50
214.50
227.90
227.90
5
5
5
5
5
5
5
5
277.0
277.0
291.0
291.0
309.0
309.0
329.0
329.0
72.9
72.9
69.4
69.4
65.4
65.4
61.4
61.4
10
10
10
10
10
10
10
10
20KPA216CA
20KPA216A
20KPA232CA
20KPA232A
216.00
216.00
232.00
232.00
241.30
241.30
259.10
259.10
5
5
5
5
348.0
348.0
374.0
374.0
58.0
58.0
54.0
54.0
10
10
10
10
20KPA240CA
20KPA240A
20KPA256CA
20KPA256A
240.00
240.00
256.00
256.00
280.00
280.00
300.00
300.00
268.10
268.10
286.00
286.00
312.80
312.80
335.10
335.10
5
5
5
5
5
5
5
5
387.0
387.0
412.0
412.0
451.0
451.0
483.0
483.0
52.2
52.2
49.0
49.0
44.6
44.6
41.8
41.8
10
10
10
10
10
10
10
10
20KPA104CA
20KPA104A
20KPA112CA
20KPA112A
20KPA120CA
20KPA120A
20KPA132CA
20KPA132A
20KPA144CA
20KPA144A
20KPA160CA
20KPA160A
20KPA172CA
20KPA172A
20KPA180CA
20KPA180A
20KPA280CA
20KPA280A
20KPA300CA
20KPA300A
For bidirectional type having Vrwm of 40 volts and less, the IR limit is double
For parts without A , the VBR is + 10%
3of4
Non-repetitive pulse
waveform shown in
Fig. 3T A = 25ºC
1000
100
10
1
0.1
1
10
1,000
100
10,000
100,000
td PULSE WIDTH 1 µsec
FIG. 1 PEAK PULSE POWER RATING
Fig.2 - Pulse Derating Curve
Peak Pulse Power (PPP)
or Current (IPP)
Derating in Percentage,%
100
87.5
75
62.5
50
37.5
25
12.5
0
0
25
50
75
100
125
150
175
200
TA - Ambient Temperature (°C)
Fig.3 - Pulse Waveform
150
IPPM - Peak Pulse Current,% I RSM
Pppm 1 PEAK PULSE POWER 1 KW
10000
TJ = 25°C
tr = 10µsec.
Pulse Width(td)is defined
as the point where the
peak current decays to
50% of IPPM
Peak Value
IPPM
100
Half Value- IPPM
2
10/1000µsec.Waveform
as defined by R.E.A.
50
td
0
0
1.0
2.0
3.0
4of4
3.0
4.0
4.0