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1.5KE20CE3 View Datasheet(PDF) - Microsemi Corporation

Part Name
1.5KE20CE3 Datasheet PDF : 5 Pages
1 2 3 4 5
1N6267 thru 1N6303A, e3
1.5KE6.8 thru 1.5KE400CA, e3
Unidirectional & Bidirectional
Transient Voltage Suppressors
The Transient Voltage Suppressor (TVS) series for 1N5908 & 1N6267-1N6303A
are JEDEC registered selections for unidirectional devices. The popular series of
1.5KE6.8-1.5KE400CA offers similar voltages with an extended voltage range
and also provides bidirectional options with a C or CA suffix. All have the same
high Peak Pulse Power rating of 1500 W and extremely fast response time. They
can protect from secondary lightning effects per IEC61000-4-5 and class levels
described herein as well as inductive switching environments and induced RF
protection. Since their response time is virtually instantaneous, they can also
protect from ESD and EFT per IEC61000-4-2 and IEC61000-4-4.
IMPORTANT: For the most current data, consult MICROSEMI’s website: http://www.microsemi.com
Economical TVS series for thru-hole mounting
Available in both Unidirectional and Bidirectional
(1.5KE series add C or CA suffix for Bidirectional)
Voltages from 6.8 to 400 V Breakdown (VBR)
Suppresses transients up to 1500 watts @ 10/1000 µs
Optional 100% screening for avionics grade is
available by adding MA prefix to part number for added
100% temperature cycle -55oC to +125oC (10X) as well
as surge (3X) and 24 hours HTRB with post test VZ &
IR (in the operating direction for unidirectional or both
directions for bidirectional)
Options for screening in accordance with MIL-PRF-
19500 for JANTX are also available by adding MX
prefix to the part number.
Surface mount equivalent packages are available as
SMCJ5.0 - SMCJ170CA or SMCG5.0 - SMCG170CA
(consult factory for other surface mount options)
Moisture classification is Level 1 with no dry pack
required per IPC/JEDEC J-STD-020B
RoHS Compliant devices available by adding “e3” suffix
Protection from switching transients and induced RF
Protection from ESD and EFT per IEC 61000-4-2 and
IEC 61000-4-4 with fast response
Secondary lightning protection per IEC61000-4-5 with
42 Ohms source impedance:
Class 1: 1.5KE6.8A to 1.5KE200A or CA *
Class 2: 1.5KE5.0A to 1.5KE180A or CA *
Class 3: 1.5KE5.0A to 1.5KE91A or CA *
Class 4: 1.5KE5.0A to 1.5KE43A or CA *
Secondary lightning protection per IEC61000-4-5 with
12 Ohms source impedance:
Class 1 : 1.5KE5.0A to 1.5KE110A or CA *
Class 2: 1.5KE5.0A to 1.5KE56A or CA *
Class 3: 1.5KE5.0A to 1.5KE27A or CA *
Class 4: 1.5KE5.0A to 1.5KE13A or CA *
Secondary lightning protection per IEC61000-4-5 with
2 Ohms source impedance:
Class 2: 1.5KE5.0A to 1.5KE24A or CA *
Class 3: 1.5KE5.0 to 1.5KE12A or CA *
* Also applies to 1N5908 and 1Nxxxx of same voltage
Peak Pulse Power dissipation at 25ºC: 1500 watts at
10/1000 μs (also see Fig 1,2, and 3)
Impulse repetition rate (duty factor): 0.01%
tclamping (0 volts to V(BR) min.): < 100 ps theoretical for
unidirectional and < 5 ns for bidirectional
Operating and Storage temperature: -65ºC to +150ºC
Thermal Resistance: 22ºC/W junction to lead at 3/8 inch
(10 mm) from body, or 82ºC/W junction to ambient when
mounted on FR4 PC board with 4 mm2 copper pads
(1oz) and track width 1 mm, length 25 mm
Steady-State Power dissipation: 5 watts at TL = 40oC,
or 1.52 watts at TA = 25ºC when mounted on FR4 PC
board described for thermal resistance
Forward Surge: 200 Amps peak impulse of 8.3 ms half-
sine wave at 25ºC (unidirectional only)
Solder temperatures: 260 ºC for 10 s (maximum)
CASE: Void-free transfer molded thermosetting
epoxy body meeting UL94V-0
FINISH: Tin-lead or RoHS Compliant matte-Tin
plating solderable per MIL-STD-750, method 2026
POLARITY: Cathode indicated by band. No
marking on bidirectional devices
MARKING: Part number
TAPE & REEL option: Standard per EIA-296 (add
“TR” suffix to part number)
WEIGHT: 1.5 grams (approximate)
See package dimensions on last page
Copyright © 2009
11-03-2009 Rev G; SA4-15
Scottsdale Division
8700 E. Thomas Rd. PO Box 1390, Scottsdale, AZ 85252 USA, (480) 941-6300, Fax: (480) 947-1503
Page 1
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