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  Microsemi Electronic Components Datasheet  

1N5646 Datasheet

1500 WATT UNIDIRECTIONAL TRANSIENT VOLTAGE SUPPESSOR

No Preview Available !

6 Lake Street, Lawrence, MA 01841
1-800-446-1158 / (978) 620-2600 / Fax: (978) 689-0803
Website: http://www.microsemi.com
TECHNICAL DATA SHEET
Gort Road Business Park, Ennis, Co. Clare, Ireland
Tel: +353 (0) 65 6840044 Fax: +353 (0) 65 6822298
1500 WATT UNIDIRECTIONAL
TRANSIENT VOLTAGE SUPPESSOR
Qualified per MIL-PRF-19500/500
DEVICES
* 1N5629 thru 1N5665
1N5629A thru 1N5665A
* Commercial only
DESCRIPTION
LEVELS
JAN
JANTX
JANTXV
This popular Transient Voltage Suppressor (TVS) series for 1N5629 thru 1N5665A are
JEDEC registered selections for unidirectional devices. All have the same high Peak Pulse
Power rating of 1500 W with extremely fast response times. They are also available in
military qualified selections as described in the Features section herein. They are most
often used for protecting against transients from inductive switching environments, induced
RF effects, or induced secondary lightning effects as found in lower surge levels of
IEC61000-4-5. They are also very successful in protecting airborne avionics and electrical
systems. 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
FEATURES
DO-13 (DO-202AA)
¾ Unidirectional TVS series for thru-hole mounting
¾ Suppresses transients up to 1500 watts @ 10/1000 µs (see Figure 1)
¾ Clamps transient in less than 100 pico seconds
¾ Working voltage (VWM) range 5 V to 171 V
¾ Hermetic sealed DO-13 metal package
¾ JAN/TX/TXV military qualifications also available for the tighter tolerance “A”
suffix devices per MIL-PRF-19500/500 by adding the JAN, JANTX, or JANTXV
prefix, e.g. JANTXV1N5629A, etc.
¾ For bidirectional TVS in the same DO-13 package, see separate data sheet for the
1N6036 – 1N6072A series (also military qualified)
¾ Surface mount equivalent packages also available as SMCJ5.0 - SMCJ170CA or
SMCG5.0 – SMCG170CA in separate data sheet (consult factory for other surface
mount options)
¾ Plastic axial-leaded equivalents available in the 1N6267 – 1N6303A series in
separate data sheet
T4-LDS-0096 Rev. 2 (101572)
Page 1 of 6


  Microsemi Electronic Components Datasheet  

1N5646 Datasheet

1500 WATT UNIDIRECTIONAL TRANSIENT VOLTAGE SUPPESSOR

No Preview Available !

6 Lake Street, Lawrence, MA 01841
1-800-446-1158 / (978) 620-2600 / Fax: (978) 689-0803
Website: http://www.microsemi.com
TECHNICAL DATA SHEET
Gort Road Business Park, Ennis, Co. Clare, Ireland
Tel: +353 (0) 65 6840044 Fax: +353 (0) 65 6822298
APPLICATIONS / BENEFITS
¾ Protection from switching transients and induced RF
¾ ESD & EFT protection per IEC 61000-4-2 and -4-4
¾ Secondary lightning protection per IEC61000-4-5 with 42 Ohms source impedance:
Class 1: 1N5629 to 1N5665A
Class 2: 1N5629 to 1N5663A
Class 3: 1N5629 to 1N5655A
Class 4: 1N5629 to 1N5648A
¾ Secondary lightning protection per IEC61000-4-5 with 12 Ohms source impedance:
Class 1: 1N5629 to 1N5658A
Class 2: 1N5629 to 1N5651A
Class 3: 1N5629 to 1N5643A
Class 4: 1N5629 to 1N5636A
¾ Secondary lightning protection per IEC61000-4-5 with 2 Ohms source impedance:
Class 2: 1N5629 to 1N5642A
Class 3: 1N5629 to 1N5635A
¾ Inherently radiation hard per Microsemi MicroNote 050
MAXIMUM RATINGS
¾ 1500 Watts for 10/1000 μs with repetition rate of 0.01% or less* at lead temperature (TL) 25oC (see Figs 1, 2, & 4)
¾ Operating & Storage Temperatures: -65o to +175oC
¾ THERMAL RESISTANCE: 50oC/W junction to lead at 0.375 inches (10 mm) from body or 110oC/W junction to
ambient when mounted on FR4 PC board with 4 mm2 copper pads (1oz) and track width 1 mm, length 25 mm
¾ DC Power Dissipation*: 1 Watt at TL +125oC 3/8” (10 mm) from body (see derating in Fig 3 and note below)
¾ Forward surge current: 200 Amps for 8.3ms half-sine wave at TA = +25oC
¾ Solder Temperatures: 260 o C for 10 s (maximum)
MECHANICAL AND PACKAGING
¾ CASE: DO-13 (DO-202AA), welded, hermetically sealed metal and glass
¾ FINISH: All external metal surfaces are Tin-Lead plated and solderable per MIL-STD-750 method 2026
¾ POLARITY: Cathode connected to case and polarity indicated by diode symbol
¾ MARKING: Part number and polarity diode symbol
¾ WEIGHT: 1.4 grams. (Approx)
¾ TAPE & REEL option: Standard per EIA-296 (add “TR” suffix to part number)
¾ See package dimension on last page
* TVS devices are not typically used for dc power dissipation and are instead operated at or less than their rated
standoff voltage
(VWM) except for transients that briefly drive the device into avalanche breakdown (VBR to VC region).
T4-LDS-0096 Rev. 2 (101572)
Page 2 of 6


Part Number 1N5646
Description 1500 WATT UNIDIRECTIONAL TRANSIENT VOLTAGE SUPPESSOR
Maker Microsemi
Total Page 6 Pages
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