20KPA24 Littelfuse Inc, 20KPA24 Datasheet - Page 3

• Manufacturer Part Number: 20KPA24
• Description: TVS Diodes - Transient Voltage Suppressors TVS Hi-Power Diode
• Manufacturer: Littelfuse Inc
• Series: 20KPAr

Specifications of 20KPA24

• Polarity: Unidirectional
• Channels: 1 Channel
• Clamping Voltage: 41.2 V
• Operating Voltage: 24 V
• Breakdown Voltage: 26.81 V
• Termination Style: Through Hole
• Peak Surge Current: 490.3 A
• Peak Pulse Power Dissipation: 20000 W
• Maximum Operating Temperature: + 175 C
• Minimum Operating Temperature: - 55 C
• Dimensions: 9.1 mm Dia. x 9.1 (Max) mm W x 9.1 mm L
• Package / Case: P600
• Voltage - Reverse Standoff (typ): 24V
• Voltage - Breakdown: 26.81V
• Power (watts): 20000W
• Polarization: Unidirectional
• Mounting Type: Through Hole
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

©2009 Littelfuse, Inc.
Specifications are subject to change without notice.
Please refer to http://www.Littelfuse.com/series/20KPA.html for current information.
Ratings and Characteristic Curves
Figure 1 - Peak Pulse Power Rating Curve
Figure 3 - Pulse Waveform
Figure 5 - Steady State Power Derating Curve
1000
150
100
50
100
0.000001
9
8
7
6
5
4
3
2
1
0
0.1
0
10
1
0
0
L = 0.375” (9.5mm)
Lead Lengths
25
t d
t r =10μsec
T
50
L
Peak Value
I PPM
- Lead Temperature (ºC)
1.0
0.00001
t
d
- Pulse Width (Sec.)
75
t-Time (ms)
Half Value
I PPM
100 125 150 175 200
2.0
( )
I PPM
2
10/1000μsec. Waveform
as defined by R.E.A
T J =25°C
Pulse Width(td) is defined
as the point where the peak
current decays to 50% of I PPM
0.0001
(T
A
=25°C unless otherwise noted
3.0
Transient Voltage Suppression Diodes
Axial Leaded – 20000W > 20KPA series
0.001
4.0
Revision: January 09, 2009
Figure 1 - Peak Pulse Power Rating Curve
119
Figure 6 - Maximum Non-Repetitive Peak Forward
Figure 2 - Pulse Derating Curve
Figure 4 - Typical Junction Capacitance
10000
450
400
350
300
250
200
150
100
100
50
100
Surge Current
0
80
60
40
20
0
1
1
0
0
Tj=25C
f=1.0MHz
Vsig=50mVp-p
Uni-directional @ VR
25
V
50
BR
- Reverse Breakdwon Voltage (V)
Number of Cycles at 60 Hz
50
T
A
100
-Ambient temperature (ºC)
Bi-directional V= OV
75
150
Bi-directional @ VR
100
10
200
125
Uni-directional V= OV
250
150
300
175
100
200
350
20KPA Series