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UT2005 – UT2060, UT3005 – UT3060,
and UT4005 – UT4060
Available
2 Amp To 4 Amp
Standard Recovery Rectifiers
DESCRIPTION
High average power and surge capability make these series of devices attractive in many high-
reliability applications. All Microsemi rectifiers have a sleeve of pure hard glass fused to the silicon
junction. Since the silicon sees only this glass, electrical characteristics are permanently stable.
This voidless, monolithic package is totally unaffected by the most severe moisture or temperature
testing. Consult factory for surface mount option.
Important: For the latest information, visit our website http://www.microsemi.com.
FEATURES
Miniature voidless hermetically sealed glass package.
Continuous current ratings up to 4 amps.
Extremely robust construction.
Internal “Category 1” metallurgical bonds.
RoHS compliant versions available.
APPLICATIONS / BENEFITS
Standard recovery 2 amp to 4 amp rectifier series with a VRWM range from 50 to 600 V.
Surge current rating to 100 amps.
Low thermal resistance.
Controlled avalanche breakdown with peak reverse power capability.
Inherently radiation hard as described in Microsemi MicroNote 050.
MAXIMUM RATINGS @ TA= 25oC unless otherwise specified
Parameters/Test Conditions
Junction Temperature
Storage Temperature
Thermal Resistance Junction-to-Lead (1)
Working Peak Reverse Voltage: 2 Amp 3 Amp 4 Amp
UT2005, UT3005, UT4005
UT2010, UT3010, UT4010
UT2020, UT3020, UT4020
UT2040, UT3040, UT4040
UT2060, UT3060, UT4060
Forward Surge Current (Peak)
@ 8.3 ms
2 Amp Series
3 Amp Series
4 Amp Series
Average Rectified Output Current
@ TL = +25 oC
2 Amp Series
3 Amp Series
4 Amp Series
Average Rectified Output-Current
@ TA = +100 oC
Solder Temperature @ 10 s
2 Amp Series
3 Amp Series
4 Amp Series
Symbol
TJ
TSTG
RӨJL
VRWM
IFSM
IO1
IO2
TSP
Value
-65 to +175
-65 to +200
Unit
oC
oC
See Derating Curves
50 V
100
200
400
600
60 A
80
100
2.0 A
3.0
4.0
1.0 A
1.5
2.0
260 oC
NOTE: 1. At 0.375 inch (9.53 mm) lead length from body.
“B” Package
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 Park,
Ennis, Co. Clare, Ireland
Tel: +353 (0) 65 6840044
Fax: +353 (0) 65 6822298
Website:
www.microsemi.com
T4-LDS-0280, Rev. 1 (121566)
©2012 Microsemi Corporation
Page 1 of 9

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UT2005 – UT2060, UT3005 – UT3060,
and UT4005 – UT4060
MECHANICAL and PACKAGING
CASE: Hermetically sealed voidless hard glass with tungsten slugs.
TERMINALS: Tin/lead or RoHS compliant matte/tin over nickel plate over copper.
MARKING: Orange band indicates “UT”, part number printed on body.
POLARITY: Indicated by orange band.
TAPE & REEL option: Standard per EIA-296. Consult factory for quantities.
WEIGHT: 0.75 grams approximate.
See Package Dimensions on last page.
Rectifier Series
Amp Rating
20 = 2 Amp
30 = 3 Amp
40 = 4 Amp
PART NOMENCLATURE
UT 20 05 (e3)
RoHS Compliance
e3 = RoHS compliant
Blank = non-RoHS compliant
VRWM Rating
05 = 50 V
10 = 100 V
20 = 200 V
40 = 400 V
60 = 600 V
Symbol
IF
IFSM
IO
TJ
VF
VRWM
SYMBOLS & DEFINITIONS
Definition
Forward Current: The forward current dc value, no alternating component.
Maximum Forward Surge Current: The forward current, surge peak or rated forward surge current.
Average Rectified Output Current: Output current averaged over a full cycle with a 50 Hz or 60 Hz sine-wave input and
a 180 degree conduction angle.
Junction Temperature: The temperature of a semiconductor junction.
Maximum Forward Voltage: The maximum forward voltage the device will exhibit at a specified current.
Working Peak Reverse Voltage: The maximum peak voltage that can be applied over the operating temperature
range.
T4-LDS-0280, Rev. 1 (121566)
©2012 Microsemi Corporation
Page 2 of 9

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UT2005 – UT2060, UT3005 – UT3060,
and UT4005 – UT4060
ELECTRICAL CHARACTERISTICS @ 25ºC unless otherwise noted
TYPE
UT4005
UT4010
UT4020
UT4040
UT4060
UT3005
UT3010
UT3020
UT3040
UT3060
UT2005
UT2010
UT2020
UT2040
UT2060
WORKING PEAK
REVERSE
VOLTAGE
VRWM
Volts
50
100
200
400
600
50
100
200
400
600
50
100
200
400
600
MAXIMUM
FORWARD
VOLTAGE DROP
Volts
1V@3A
1V@2A
1V@1A
MAXIMUM LEAKAGE
CURRENT
@ VRWM
µA
25 oC
125 oC
5 100
5 100
5 100
.
T4-LDS-0280, Rev. 1 (121566)
©2012 Microsemi Corporation
Page 3 of 9

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UT2005 – UT2060, UT3005 – UT3060,
and UT4005 – UT4060
GRAPHS
TL – LEAD TEMPERATURE (°C)
FIGURE 1
Maximum Current vs Lead Temperature
T4-LDS-0280, Rev. 1 (121566)
TL – LEAD TEMPERATURE (°C)
FIGURE 2
Maximum Current vs Lead Temperature
©2012 Microsemi Corporation
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UT2005 – UT2060, UT3005 – UT3060,
and UT4005 – UT4060
GRAPHS
TL – LEAD TEMPERATURE (°C)
FIGURE 3
Maximum Current vs Lead Temperature
T4-LDS-0280, Rev. 1 (121566)
PULSE DURATION (SECONDS)
FIGURE 4
Forward Pulse Current vs Pulse Duration
©2012 Microsemi Corporation
Page 5 of 9