20KPA40A [MERITEK]
Transient Voltage Suppressors; 瞬态电压抑制器
| 型号： | 20KPA40A |
| 厂家： | 
MERITEK ELECTRONICS CORPORATION |
| 描述： | Transient Voltage Suppressors |
| 文件： | 总4页 (文件大小：501K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
Transient Voltage Suppressors
20KPA Series
MERITEK
UL E223045
FEATURES
Plastic package.
Glass passivated junction.
20,000W Peak Pulse Power capability on 10/1000µs waveform.
Excellent clamping capability.
Repetition rate (duty cycle): 0.05%.
Low incremental surge resistance.
Fast response time: typically less than 1.0ps from 0 volt to BV.
High temperature soldering guaranteed: 265°C/10 seconds/.375",
(9.5mm) lead length, 5lbs., (2.3kg) tension.
P600
MECHANICAL DATA
Case: Molded plastic over glass passivated junction.
Terminals: Plated Axial leads, solderable per MIL-STD-750, Method 2026.
Polarity: Color band denotes cathode except Bipolar.
Mounting Position: Any.
Weight: 0.07 ounce, 2.5 grams.
DEVICES FOR BIPOLAR APPLICATION
For Bidirectional use C or CA suffix for type 20KPA20 through type 20KPA300 (e.g. 20KPA20C, 20KPA300CA);
Eelectrical characteristics apply in both directions.
MAXIMUM RATINGS AND CHARACTERISTICS
Ratings at 25°C ambient temperature unless otherwise specified.
RATING
SYMBOL
VALUE
UNIT
s waveform.
Peak Pulse Power Dissipation on 10/1000
PPPM
IPPM
Minimum 20,000
Watts
Amps
Watts
(Note 1, Fig. 1)
Peak Pulse Current on 10/1000 s waveform. (Note 1, Fig. 3)
Steady State Power Dissipation at TL =75°C , Lead length .375”
(9.5mm). (Fig. 5)
See Table
PM(AV)
8.0
Peak Forward Surge Current,8.3ms Single Half Sine-Wave
IFSM
400
Amps
Superimposed on Rated Load. (JEDEC Method) (Note 2, Fig. 6)
Operating junction and Storage Temperature Range.
TJ , TSTG
-55 to +175
°C
°C
Notes:ꢀꢀ 1. Non-repetitive current pulse, per Fig. 3 and derated above TA = 25 per Fig. 2.
2. 8.3ms single half sine-wave, or equivalent square wave, Duty cycle = 4 pulses per minute maximum.
All specifications are subject to change without notice.
1
Rev 7
Transient Voltage Suppressors
20KPA Series
MERITEK
PACKAGE DIMENSIONS
d
DIA.
s
DIA.
L
T
L
P600
Millimeters
Inches
Item
Min.
25.40
8.60
8.60
1.22
Max.
-
Min.
Max.
L
T
d
s
1.000
0.340
0.340
0.048
-
9.10
9.10
1.32
0.360
0.360
0.052
SPECIFICATIONS
Maximum
Clamping
Voltage
@IPP
Reverse Breakdown
Peak
Pulse
Current
Reverse
Leakage
@ VRWM
Test
Current
Part Number
Stand-Off
Voltage
Voltage
MIN.@IT
UNI-POLAR
BI-POLAR
20KPA20CA
20KPA24CA
20KPA26CA
20KPA28CA
20KPA30CA
20KPA32CA
20KPA34CA
20KPA36CA
20KPA40CA
20KPA44CA
VRWM(V)
20.0
24.0
26.0
28.0
30.0
32.0
34.0
36.0
40.0
44.0
VBR MIN (V)
22.34
26.81
29.04
31.28
33.51
35.74
38.00
40.20
44.70
49.10
IT(mA)
VC(V)
36.8
41.2
44.7
48.0
51.5
54.3
57.5
61.5
67.8
72.7
IPP(A)
548.9
490.3
451.9
420.8
392.2
372.0
351.3
328.5
297.9
277.9
IR(µA)
5000
5000
2000
1000
250
150
50
20KPA20A
20KPA24A
20KPA26A
20KPA28A
20KPA30A
20KPA32A
20KPA34A
20KPA36A
20KPA40A
20KPA44A
50
50
50
50
5
5
5
5
20
5
15
5
2
2
Rev 7
Transient Voltage Suppressors
20KPA Series
MERITEK
SPECIFICATIONS
Maximum
Reverse Breakdown
Peak
Pulse
Current
Reverse
Leakage
@ VRWM
Test
Current
Clamping
Voltage
@IPP
Part Number
Voltage
Stand-Off
Voltage
MIN.@IT
VBR MIN (V)
53.60
IT(mA)
VC(V)
79.4
IPP(A)
254.4
235.4
218.1
207.0
194.2
183.6
174.1
155.4
142.3
130.3
120.2
111.0
104.1
94.8
IR(µA)
2
UNI-POLAR
BI-POLAR
20KPA48CA
20KPA52CA
20KPA56CA
20KPA60CA
20KPA64CA
20KPA68CA
20KPA72CA
20KPA80CA
20KPA88CA
20KPA96CA
20KPA104CA
20KPA112CA
20KPA120CA
20KPA132CA
20KPA144CA
20KPA160CA
20KPA172CA
20KPA180CA
20KPA192CA
20KPA204CA
20KPA216CA
20KPA232CA
20KPA240CA
20KPA256CA
20KPA280CA
20KPA300CA
VRWM(V)
48.0
20KPA48A
20KPA52A
20KPA56A
20KPA60A
20KPA64A
20KPA68A
20KPA72A
20KPA80A
20KPA88A
20KPA96A
20KPA104A
20KPA112A
20KPA120A
20KPA132A
20KPA144A
20KPA160A
20KPA172A
20KPA180A
20KPA192A
20KPA204A
20KPA216A
20KPA232A
20KPA240A
20KPA256A
20KPA280A
20KPA300A
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
52.0
58.10
85.8
2
56.0
62.60
92.6
2
60.0
67.00
97.6
2
64.0
71.50
104.0
110.0
116.0
130.0
142.0
155.0
168.0
182.0
194.0
213.0
232.0
258.0
277.0
291.0
309.0
329.0
348.0
374.0
387.0
412.0
451.0
483.0
2
68.0
76.00
2
72.0
80.40
2
80.0
89.40
2
88.0
98.30
2
96.0
107.20
116.20
125.10
134.00
147.40
160.80
178.70
192.10
201.10
214.50
227.90
241.30
259.10
268.10
286.00
312.80
335.10
2
104.0
112.0
120.0
132.0
144.0
160.0
172.0
180.0
192.0
204.0
216.0
232.0
240.0
256.0
280.0
300.0
2
2
2
2
87.1
2
78.3
2
72.9
2
69.4
2
65.4
2
61.4
2
58.0
2
54.0
2
52.2
2
49.0
2
44.8
2
41.8
2
Note: For Bidirectional type having VRWM of 10 volts and less,the IR limit doubles.
3
Rev 7
Transient Voltage Suppressors
20KPA Series
MERITEK
(TA: 25°C UNLESS OTHERWISE SPECIFIED)
RATING AND CHARACTERISTIC CURVES
Figure 1 - Peak Pulse Power Rating Curve
Figure 1 - Peak Pulse Power Rating Curve
Figure 2 - Pulse Derating Curve
100
1000
100
10
80
60
40
20
1
0.1
0
0.001
0.0001
t- Pulse Width (Sec.)
0.00001
0.000001
0
25
50
75
100 125 150 175 200
TA-Ambient temperature (ºC)
d
Figure 3 - Pulse Waveform
Figure 3 - PulseWaveform
Figure 4 -Typical Junction Capacitance
150
t=10µsec
r
T
=25°C
J
Bi-directional V= OV
Pulse Width(td) is defined
as the point where the peak
current decays to 50% of
10000
Uni-directional V= OV
I
PPM
Peak Value
I
PPM
100
Uni-directional @ VR
Half Value
I
PPM
(2 )
I
PPM
Bi-directional @ VR
100
50
10/1000µsec. Waveform
as defined by R.E.A
Tj=25C
f=1.0MHz
Vsig=50mVp-p
t
d
1
0
0
50
100
150
200
250
300
350
1.0
2.0
t-Time (ms)
3.0
4.0
0
VBR - Reverse Breakdwon Voltage (V)
Figure 6 - Maximum Non-Repetitive Forward
Surge Current Uni-Directional Only
Figure 5 - Steady State Power Dissipation Derating Curve
9
8
7
6
5
4
3
2
1
0
450
400
350
300
250
200
150
100
50
0
0
25 50 75 100 125 150 175 200
TL- Lead Temperature (ºC)
1
10
100
Number of Cycles at 60 Hz
4
Rev 7
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