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1.5KE320

Description
Trans Voltage Suppressor Diode, 273V V(RWM), Unidirectional
CategoryDiscrete semiconductor    diode   
File Size977KB,6 Pages
ManufacturerLittelfuse
Websitehttp://www.littelfuse.com
Environmental Compliance
Download Datasheet Parametric View All

1.5KE320 Overview

Trans Voltage Suppressor Diode, 273V V(RWM), Unidirectional

1.5KE320 Parametric

Parameter NameAttribute value
Is it Rohs certified?conform to
Reach Compliance Code_compli
ECCN codeEAR99
Breakdown voltage nominal value320 V
Maximum clamping voltage463.05 V
Diode typeTRANS VOLTAGE SUPPRESSOR DIODE
JESD-609 codee3
Humidity sensitivity level2
polarityUNIDIRECTIONAL
Maximum repetitive peak reverse voltage273 V
surface mountNO
Terminal surfaceMatte Tin (Sn)
Base Number Matches1
Transient Voltage Suppression Diodes
Axial Leaded – 1500W > 1.5KE series
1.5KE Series
Description
Uni-directional
RoHS
The 1.5KE Series is designed specifically to protect
sensitive electronic equipment from voltage transients
induced by lightning and other transient voltage events.
Features
Bi-directional
V
BR
@T
J
= V
BR
@25°C × (1+
α
T
x (T
J
- 25))
(αT: Temperature Coefficient)
Agency Approvals
AGENCY
AGENCY FILE NUMBER
E128662/E230531
Maximum Ratings and Thermal Characteristics
(T
A
=25°C unless otherwise noted)
Parameter
Peak Pulse Power Dissipation by
10/1000μs Test Waveform (Fig.2)
(Note 1)
Steady State Power Dissipation on
Inifinite Heat Sink at T
L
=75ºC (Fig. 6)
Peak Forward Surge Current, 8.3ms
Single Half Sine Wave Unidirectional
Only (Note 2)
Maximum Instantaneous Forward
Voltage at 100A for Unidirectional
Only (Note 3)
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
V
F
T
J
, T
STG
R
uJL
R
uJA
Value
1500
6.5
200
3.5/5.0
-55 to 150
15
75
Unit
W
W
A
V
°C
°C/W
°C/W
• Glass passivated chip
junction in DO-201
Package
• 1500W peak pulse
capability at 10/1000μs
waveform, repetition rate
(duty cycles):0.01%
• Fast response time:
typically less than 1.0ps
from 0 Volts to BV min
• Excellent clamping
capability
• Typical failure mode is
short from over-specified
voltage or current
• Whisker test is conducted
based on JEDEC
JESD201A per its table 4a
and 4c
• IEC-61000-4-2 ESD
15kV(Air), 8kV (Contact)
• ESD protection of data
lines in accordance with
IEC 61000-4-2 (IEC801-2)
• EFT protection of data
lines in accordance with
IEC 61000-4-4 (IEC801-4)
• Low incremental surge
resistance
• Typical I
R
less than 1μA
above 13V
• High temperature
soldering guaranteed:
260°C/40 seconds /
0.375”
,(9.5mm) lead
length, 5 lbs., (2.3kg)
tension
• Plastic package has
underwriters laboratory
flammability classification
94V-O
• Matte tin lead–free plated
• Halogen free and RoHS
compliant
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.
Notes:
1. Non-repetitive current pulse , per Fig. 4 and derated above T
A
= 25°C per Fig. 3.
2. Measured on 8.3ms single half sine wave or equivalent square wave, duty cycle=4 per
minute maximum.
_
_
3. V
F
<3.5V for devices of V
BR
<
200V and V
F
<5.0V for devices of V
BR
>
201V.
Functional Diagram
Additional Information
Bi-directional
Datasheet
Resources
Samples
Cathode
Uni-directional
© 2014 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 01/24/14
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