20KPA Datasheet, PDF (1/5 Pages) Littelfuse – Transient Voltage Suppression Diodes

Transient Voltage Suppression Diodes
Axial Leaded – 20000W
RoHS _{20KPA Series}
Agency Approvals
AGENCY
AGENCY FILE NUMBER
E230531
Maximum Ratings and Thermal Characteristics
(T_A=25^OC unless otherwise noted)
Parameter
Symbol Value Unit
Peak Pulse Power Dissipation by
10x1000μs test waveform (Fig.1)
(Note 1)
P_PPM
20000
W
Steady State Power Dissipation on
inifinite heat sink at T_L=75ºC (Fig. 5)
P_D
Peak Forward Surge Current, 8.3ms
Single Half Sine Wave Unidirectional I_FSM
only (Note 2)
8.0
W
400
A
Operating Junction and Storage
Temperature Range
T_J, T_STG -55 to 175 °C
Typical Thermal Resistance Junction
to Lead
R_uJL
8.0
°C/W
Typical Thermal Resistance Junction
to Ambient
R_uJA
40
°C/W
Notes:
1. Non-repetitive current pulse , per Fig. 3 and derated above T_A = 25^OC per Fig. 2.
2. Measured on 8.3ms single half sine wave or equivalent square wave, duty cycle=4 per
minute maximum.
Description
The 20KPA Series is designed specifically to protect
sensitive electronic equipment from voltage transients
induced by lightning and other transient voltage events.
Features
t
3P)4
DPNQMJBOU
t
5ZQJDBM
NBYJNVN

temperature coefficient
Δ V_. = 0.1% × V_BR@25°C
t
(MBTT
QBTTJWBUFE
DIJQ

KVODUJPO
JO
1
QBDLBHF
t
8
QFBL
QVMTF

capability at 10×1000μs
waveform, repetition rate
(duty cycles):0.01%
t
'BTU
SFTQPOTF
UJNF

typically less than 1.0ps
from 0 Volts to BV min
t
&YDFMMFOU
DMBNQJOH

capability
t
-PX
JODSFNFOUBM
TVSHF

resistance
t
5ZQJDBM
*_R less than 2μA
above 49V
t
)JHI
UFNQFSBUVSF

soldering guaranteed:
260°C/40 seconds /
w NN
MFBE

length, 5 lbs., (2.3kg)
tension
t
1MBTUJD
QBDLBHF
IBT

Underwriters Laboratory
Flammability classification
94V-O
t
.BUUF
5JO
-FBEoGSFF

plated
Applications
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.
www.littelfuse.com
©2007 Littelfuse
94
20KPA Series
Specifications are subject to change without notice.