UT236 – UT347, UT249 – UT363,
UT251 – UT364 and UT261 – UT268
1 Amp To 2 Amp
Standard Recovery Rectifiers
Available
DESCRIPTION
This miniature, standard recovery rectifier diode series offers the user extreme reliability for highreliability applications. These devices are available in the leaded A package configuration.
Microsemi also offers numerous other rectifier products to meet higher and lower current ratings
with various recovery time requirements including standard, fast and ultrafast device types in both
through-hole and surface mount packages.
Important: For the latest information, visit our website http://www.microsemi.com.
FEATURES
•
•
•
•
•
Miniature voidless hermetically sealed glass package.
Continuous current rating of 2 amps.
Extremely robust construction.
Internal “Category 1” metallurgical bonds.
RoHS compliant versions available.
APPLICATIONS / BENEFITS
•
•
•
•
•
Standard recovery 1 amp to 2 amp rectifier series with a V RWM range from 100 to 1000 V.
Surge current rating to 30 amps.
Low thermal resistance.
Controlled avalanche breakdown with peak reverse power capability.
Inherently radiation hard as described in Microsemi MicroNote 050.
“A” Package
MAXIMUM RATINGS @ T A = 25 oC unless otherwise specified
Parameters/Test Conditions
Junction and Storage Temperature
Thermal Resistance Junction-to-Lead
@ .375 inch lead length from body
Working Peak Reverse Voltage:
1A
1.25 A 1.5 A
2A
UT236 UT249 UT251 UT261
UT234 UT242 UT252 UT262
UT235 UT244 UT254 UT264
UT237 UT245 UT255 UT265
UT238 UT247 UT257 UT267
UT361 UT362 UT258 UT268
UT347 UT363 UT364
Forward Surge Current (Peak)
1 & 1.25 Amp Series
@ 8.3 ms
1.5 Amp Series
2 Amp Series
1 Amp Series
Average Rectified Output Current
o
1.25 Amp Series
@ TL = +25 C
1.5 Amp Series
2 Amp Series
Average Rectified Output-Current
o
@ TA = +100 C
Solder Temperature @ 10 s
T4-LDS-0289, Rev. 1 (121796)
1 Amp Series
1.25 Amp Series
1.5 Amp Series
2 Amp Series
Symbol
TJ /TSTG
R ӨJL
Value
Unit
o
-65 to +175
C
See Derating Curves
V RWM
I FSM
I O1
I O2
TSP
©2012 Microsemi Corporation
100
200
400
500
600
800
1000
20
25
30
1.0
1.25
1.5
2.0
0.5
0.65
0.75
1.0
260
V
A
A
A
o
C
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
Page 1 of 8
