Transient Voltage Suppression Diodes
Axial Leaded – 20000W
RoHS
20KPA Series
Description
The 20KPA Series is designed specifically to protect
sensitive electronic equipment from voltage transients
induced by lightning and other transient voltage events.
Features
resistance
less than 2μA
R
above 49V
soldering guaranteed:
260°C/40 seconds /
AGENCY FILE NUMBER
E230531
temperature coefficient
Δ V
.
= 0.1% × V
BR
@25°C
Agency Approvals
AGENCY
capability at 10×1000μs
waveform, repetition rate
(duty cycles):0.01%
typically less than 1.0ps
from 0 Volts to BV min
capability
Applications
length, 5 lbs., (2.3kg)
tension
Underwriters Laboratory
Flammability classification
94V-O
plated
Maximum Ratings and Thermal Characteristics
(T
A
=25
O
C unless otherwise noted)
Parameter
Peak Pulse Power Dissipation by
10x1000μs test waveform (Fig.1)
(Note 1)
Steady State Power Dissipation on
inifinite heat sink at T
L
=75ºC (Fig. 5)
Peak Forward Surge Current, 8.3ms
Single Half Sine Wave Unidirectional
only (Note 2)
Operating Junction and Storage
Temperature Range
Typical Thermal Resistance Junction
to Lead
Typical Thermal Resistance Junction
to Ambient
Symbol
P
PPM
P
D
I
FSM
T
J
, T
STG
R
uJL
R
uJA
Value
20000
8.0
400
-55 to 175
8.0
40
Unit
W
W
A
°C
°C/W
°C/W
TVS devices are ideal for the protection of I/O interfaces,
V
CC
bus and other vulnerable circuits used in telecom,
computer, industrial and consumer electronic applications.
Notes:
1. Non-repetitive current pulse , per Fig. 3 and derated above T
A
= 25
O
C per Fig. 2.
2. Measured on 8.3ms single half sine wave or equivalent square wave, duty cycle=4 per
minute maximum.
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©2007 Littelfuse
94
20KPA Series
Specifications are subject to change without notice.
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