SUM20UF & UFSMS
thru
SUM50UF & UFSMS
Solid State Devices, Inc.
14701 Firestone Blvd * La Mirada, CA 90638
Phone: (562) 404-4474 * Fax: (562) 404-1773
ssdi@ssdi-power.com * www.ssdi-power.com
Designer’s Data Sheet
Part Number / Ordering Information 1/
0.4 AMP
2000-5000 VOLTS
60 nsec
SUM __ UF __ __
HIGH VOLTAGE
ULTRA FAST RECTIFIER
L Screening2/ __ = Not Screened
TX = TX Level
TXV = TXV Level
S = S Level
L
Package
FEATURES:
___ = Axial
SMS = Surface Mount Square Tab
Recovery Time
Fast Recovery: 60 nsec Maximum
PIV to 5000 Volts
Hermetically Sealed Axial and Surface
Mount Package
Void-Free Construction
Metallurgically Bonded
175°C Maximum Operating Temperature
TX, TXV, and Space Level Screening
Available2/
L
UF = Ultra Fast
L
Voltage
20 = 2000 V
25 = 2500 V
30 = 3000 V
35 = 3500 V
40 = 4000 V
50 = 5000 V
ELECTRICAL CHARACTERISTICS
Maximum
Surge
Current
(1 Cycle)
Maximum
Reverse
Recovery
Time
Peak
Inverse
Voltage
Average
Rectifier
Current
Maximum
Reverse
Current
Maximum
Forward
Voltage
Maximum
Junction
Capacitance Impedance
Typical
Thermal
Part
Number
I
V
F
I
t
C
θ
θ
Symbol
Units
PIV
IR
0
FSM
RR
J
JL/ JE
mA
µA
Volts
25°C
Amps
25°C
nsec
25°C
pF
°C/W
Volts
V
= 100V
= 1MHZ
R
Conditions
25°C 100°C
25°C
100°C
L = 3/8”
f
T
SUM20UF
SUM25UF
SUM30UF
2000 400 250
2500 400 250
3000 400 250
1.0
1.0
1.0
25
25
25
10
10
13
25
25
25
60
60
60
10
16
16
16
10
10
SUM35UF
SUM40UF
SUM50UF
3500 400 250
4000 400 250
5000 400 250
1.0
1.0
1.0
25
25
25
13
13
13
25
25
25
60
60
60
10
10
10
16
16
16
1/ For ordering information, price, and availability – contact factory.
2/ Screening based on MIL-PRF-19500. Screening flows available on request.
3/ Operating and testing over 10,000 V/inch may require encapsulation or immersion in a suitable
dielectric material.
Axial
Surface Mount
Square Tab
4/ Max. forward voltage measured with instantaneous forward pulse of 300µsec minimum.
5/ Max. Lead/End Tab temp. for soldering is 250°C, 3/8” from case for 5 sec maximum.
6/ Operating and storage temperature: -65°C to +175°C.
7/ Reverse Recovery Test Conditions: IF=0.5A, IR=1.0A, IRR=25mA, TA=25°C.
NOTE: All specifications are subject to change without notification.
SCD's for these devices should be reviewed by SSDI prior to release.
DATA SHEET #: RC0040D
DOC