T4-LDS-0266, Rev. 2 (130230) ©2013 Microsemi Corporation Page 1 of 6
1N3643 - 1N3647, 1N4254 - 1N4257
and 1N5181 - 1N5184
Available on
commercial
versions
Voidless Hermetically Sealed
High Voltage Rectifier
Qualified per MIL-PRF-19500/279
Quali f i ed Levels:
JAN and JAN T X
(1N3644 – 1N3647 only)
DESCRIPTION
These “stan dard rec over y” high voltag e r ectifi er diode ser ies are mili tary quali fied to M IL-PRF-
19500/279 for the 1N3644 through 1N3647 part numbers. They are ideal for high voltage,
high-reliability applications wh ere a failure cannot be tolerated . These 0.10 and 0.25 Amp
rated r ecti fiers with worki ng peak reverse voltages from 1000 to 10,000 volts are hermeti cally
seal ed with voidless-glass constru ct ion.
S Package
Important: For the latest infor mation, visit our website http://www.microsemi.com.
FEATURES
• JE DEC registered 1N3643 – 1N3647, 1N4254 – 1N4257, and 1N5181 – 1N5184 series.
• Voidless hermetically sealed glass package.
• Triple-layer passivation.
• Lowest reverse leakage available.
• Absolute high voltage / high temperature stability.
• JAN and JANT X qualifications are available only for 1N3644 – 1N3647 per MIL-PRF-19500/279.
• RoHS compliant versions available (commercial grade only).
APPLICATIONS / BENE FITS
• High voltage standard recovery rectifiers 1000 to 10,000 V.
• Military and other high-reliability applications.
• Applications include bridges, half-bridges, catch diodes, voltage multipliers, X-ray m ach i nes ,
power supplies, tr ans mitters , and rad ar equipment .
• High forward surge current capability.
• Extremely robust construction.
• Low thermal resistance.
• Inherently radiation hard as described in Microsemi MicroNote 050.
MSC – Lawrence
6 Lake Street,
Lawrence, MA 01841
Tel: 1-800-446-1158 or
(978) 620-2600
Fax: (978) 689-0803
MSC – Ireland
Gort Road Business P ark,
Ennis, Co. Clare, Ireland
Tel: +353 (0) 65 6840044
Fax: +353 (0) 65 6822298
Website:
www.microsemi.com
T4-LDS-0266, Rev. 2 (130230) ©2013 Microsemi Corporation Page 2 of 6
1N3643 - 1N3647, 1N4254 - 1N4257
and 1N5181 - 1N5184
MAXIMUM RATINGS
@ TA= 25
o
C unless otherwise specified
Parameters/Test Conditions
Symbol
Value
Junct ion and Stor age Temperature
TJ & TSTG
-65 to +175
Steady State Pow er Dissipation @ TA = 25 ºC
PD
1.5
Thermal Resistance Junction-to-Lead @ 3/8 inch (10mm) lead length
from body
RӨJL 38 oC/W
Working Peak Reverse Voltage: 1N3643
1N3644 & 1N4254
1N3645 & 1N4255
1N3646 & 1N4256
1N3647 & 1N4257
1N5181
1N5182
1N5183
1N5184
VRWM
1000
1500
2000
2500
3000
4000
5000
7500
10,000
V
Reverse Voltage: 1N3644
1N3645
1N3646
1N3647
VR
1050
1400
1750
2100
V
Average Rectified Forward Current:
1N3643 – 1N3647 @ TA = 55 ºC
@ TA = 100 ºC
IO 0.250
0.100
A
1N4254 – 1N4257 @ TA = 55 ºC
@ TA = 100 ºC
IO
0.250
0.150
A
1N5181 – 1N5184 @ TA = 55 ºC
@ TA = 100 ºC
IO
0.100
0.060
A
Solder Temperature @ 10 s
TSP
260
M ECHANICAL and PACKAGI NG
• CASE: Hermetically sealed voidl ess hard glass with tung sten slug s.
• TERMINALS: Tin/lead or RoHS compliant matte/tin (commercial grade only) over copper.
• MARKING: Part number.
• POLARITY: Cathode indicated by band.
• TAPE & REEL option: Standard per EIA-296. Consult factory for quantities.
• WEIGHT: Approximately 400 milligrams.
• See Package Dimensions on last page.
T4-LDS-0266, Rev. 2 (130230) ©2013 Microsemi Corporation Page 3 of 6
1N3643 - 1N3647, 1N4254 - 1N4257
and 1N5181 - 1N5184
PART NOMENCLATURE
Applicable to 1N3644 thru 1N3647 only:
JAN 1N3644 (e3)
Reliability Level
JAN = JAN Level
JANTX = JA NTX Level
Blank = Commercial
JEDEC type number
(See Electrical Characteristics
table)
RoHS Compliance
e3 = RoHS compliant (available
on commercial grade only)
Blank = non-RoHS compliant
Applicable to 1N3643, 1N4254 – 1N4257, and 1N5181 – 1N 5 184 onl y :
1N3643 (e3)
JEDEC type number
(See Electrical Characteristics
table)
RoHS Compliance
e3 = RoHS compliant
Blank = non-RoHS compliant
SYMBOLS & DEFINIT IONS
Symbol
Definition
IO
Average Rectified Forward Current: The output current averaged over a full cycle with a 50 Hz or 60 Hz sine-wave
input and a 180 degree conduction angle.
IR
Maximum Leakage Current: The maximum leakage current that will flow at the specified voltage and temperature.
IZSM
Maximum Rated Surge Current: The non-repetiti ve peak value of rated surge current at a specified wave form.
V(BR)
Minimum Breakdown Voltage: The minimum voltage the device will exhibit at a specified current.
VF
Maximum Forward Voltage: The maximum forward voltage the device will exhibit at a specified current.
VR
Reverse Voltage: The reverse voltage dc value, no alternating component.
VRWM
Wor king Peak Reverse Voltage: The maximum peak voltage that c an be applied over the operating temperature
range.
T4-LDS-0266, Rev. 2 (130230) ©2013 Microsemi Corporation Page 4 of 6
1N3643 - 1N3647, 1N4254 - 1N4257
and 1N5181 - 1N5184
ELECTRICAL CHARACTE RISTI CS
TYPE
MINIMUM
BREAKDOWN
VOLTAGE
V(BR)
MAXIMUM
FORWARD
VOLTAGE
VF
(See Notes
1 & 2)
REVERSE
CURRENT
(MAX.)
IR @ VRWM
AVERAGE
REVERSE
CURRENT
IR(AV) @ VR
MAXIMUM
SURGE
CURRENT
@ 8.3 ms
IZSM
Volts
Volts
µA
µA
Amps
25 oC
55 oC
125 oC
175 oC
+100 oC
1N3643
1N3644*
1N3645*
1N3646*
1N3647*
-
1800
2400
3000
3600
5.0 (1)
5.0 (1)
5.0 (1)
5.0 (1)
5.0 (1)
5
5
5
5
5
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
100
100
100
100
14
14
14
14
14
1N4254
1N4255
1N4256
1N4257
-
-
-
-
3.5 (2)
3.5 (2)
3.5 (2)
3.5 (2)
1
1
1
1
-
-
-
-
20
20
20
20
-
-
-
-
-
-
-
-
10
10
10
10
1N5181
1N5182
1N5183
1N5184
-
-
-
-
10 (2)
10 (2)
10 (2)
10 (2)
-
-
-
-
5
5
5
5
-
-
-
-
1000
1000
1000
1000
-
-
-
-
4
4
4
4
* Also applicable to JAN and JANTX levels.
NOTE 1: VF @ 250mA
NOTE 2: VF @ 100mA
T4-LDS-0266, Rev. 2 (130230) ©2013 Microsemi Corporation Page 5 of 6
1N3643 - 1N3647, 1N4254 - 1N4257
and 1N5181 - 1N5184
GRAPHS
A m bient Temp er ature (°C )
FIGURE 1
1N3643 – 1N3647 and 1N4254 – 1N4257
A m bient Temp er ature (°C )
FIGURE 2
1N5181 – 1N5184
Average F orward Cu rrent (mA)
Average F orward Cu rrent (mA)
T4-LDS-0266, Rev. 2 (130230) ©2013 Microsemi Corporation Page 6 of 6
1N3643 - 1N3647, 1N4254 - 1N4257
and 1N5181 - 1N5184
PACKAGE DIM ENSIONS
NOTES:
1. Dimensions are in inches.
2. Millimeters are given for general information only.
3. Package contour optional with BD and length BL. Heat slugs, if any,
shall be included within this c ylinder length but shall not be subject to
m inimum limit of BD.
4. The specified lead diameters apply in the zone between .050 inch
(1.27 mm) from the diode body and the end of the lead.
5. In accordance with AS ME Y14.5M, diameters are equivalent to Φx
symbology.
6. Max dimension BL will be .225” / 5.72mm for 1N5181 – 1N5184
DIMENSIONS
Ltr
INCH
MILLIMETERS
Notes
Min
Max
Min
Max
BD
0.065
0.110
1.65
2.79
3
BL
0.190
0.215
4.83
5.46
3, 6
LD
0.029
0.033
0.74
0.84
LL
1.00
1.25
25.40
31.75
LU
0.050
1.27
4