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1.5KE440A

Description
极性:Unidirectional 峰值脉冲电流(10/1000us):2.5A 箝位电压:602V 击穿电压(最小值):418V 反向关断电压(典型值):376V
CategoryDiscrete semiconductor    diode   
File Size992KB,6 Pages
ManufacturerLittelfuse
Websitehttp://www.littelfuse.com
Environmental Compliance
Download Datasheet Parametric View All

1.5KE440A Overview

极性:Unidirectional 峰值脉冲电流(10/1000us):2.5A 箝位电压:602V 击穿电压(最小值):418V 反向关断电压(典型值):376V

1.5KE440A Parametric

Parameter NameAttribute value
Is it lead-free?Contains lead
Is it Rohs certified?conform to
MakerLittelfuse
Parts packaging codeDO-201
package instructionO-PALF-W2
Contacts2
Reach Compliance Codenot_compliant
ECCN codeEAR99
Is SamacsysN
Other featuresUL RECOGNIZED, EXCELLENT CLAMPING CAPABILITY
Maximum breakdown voltage462 V
Minimum breakdown voltage418 V
Breakdown voltage nominal value440 V
Shell connectionISOLATED
Maximum clamping voltage602 V
ConfigurationSINGLE
Diode component materialsSILICON
Diode typeTRANS VOLTAGE SUPPRESSOR DIODE
JEDEC-95 codeDO-201
JESD-30 codeO-PALF-W2
JESD-609 codee3
Humidity sensitivity level2
Maximum non-repetitive peak reverse power dissipation1500 W
Number of components1
Number of terminals2
Maximum operating temperature175 °C
Minimum operating temperature-55 °C
Package body materialPLASTIC/EPOXY
Package shapeROUND
Package formLONG FORM
Peak Reflow Temperature (Celsius)260
polarityUNIDIRECTIONAL
Maximum power dissipation6.5 W
Certification statusNot Qualified
Maximum repetitive peak reverse voltage376 V
surface mountNO
technologyAVALANCHE
Terminal surfaceMatte Tin (Sn)
Terminal formWIRE
Terminal locationAXIAL
Maximum time at peak reflow temperature30
Base Number Matches1
Transient Voltage Suppression Diodes
Axial Leaded – 1500W > 1.5KE series
1.5KE Series
Description
Uni-directional
RoHS
Pb
e3
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
• 1500W peak pulse
capability at 10/1000μs
waveform, repetition rate
(duty cycles):0.01%
• Glass passivated chip
junction in DO-201
Package
• 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
30kV(Air), 30kV (Contact)
• ESD protection of data
lines in accordance with
IEC 61000-4-2
• EFT protection of data
lines in accordance with
IEC 61000-4-4
• Low incremental surge
resistance
• Typical I
R
less than 1μA
when V
BR
min>12V
• High temperature
to reflow soldering
guaranteed: 260°C/40sec
/ 0.375”
,(9.5mm) lead
length, 5 lbs., (2.3kg)
tension
• V
BR
@ T
J
= V
BR
@25°C
x (1+
α
T x (T
J
- 25))
(
α
T:Temperature
Coefficient, typical value
is 0.1%)
• Plastic package is
flammability rated V-0 per
Underwriters Laboratories
• Matte tin lead–free plated
• Halogen free and RoHS
compliant
• Pb-free E3 means 2nd
level interconnect is
Pb-free and the terminal
finish material is tin(Sn)
(IPC/JEDEC J-STD-
609A.01)
Agency Approvals
AGENCY
AGENCY FILE NUMBER
E230531
Maximum Ratings and Thermal Characteristics
(T
A
=25
O
C unless otherwise noted)
Parameter
Peak Pulse Power Dissipation by
10/1000μs Test Waveform (Fig.2)
(Note 1), (Note 4)
Steady State Power Dissipation on
Infinite Heat Sink at T
L
=75ºC
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
θJL
R
θJA
Value
1500
6.5
200
3.5/5.0
-55 to 175
15
75
Unit
W
W
A
V
°C
°C/W
°C/W
Notes:
1. Non-repetitive current pulse , per Fig. 4 and derated above T
J
(initial) =25
O
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 single die parts and V
F
< 5.0V for stacked-die parts.
4. The P
PPM
of stacked-die parts is 2kW and please contact littelfuse for the detail
stacked-die parts.
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.
Additional Infomarion
Functional Diagram
Bi-directional
Datasheet
Resources
Samples
Cathode
Uni-directional
Anode
© 2015 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 11/20/15
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