SML20EUZ12B
Enhanced Ultrafast
Recovery Diode
1200 Volt, 20 Amp
Back of Case
Cathode
TECHNOLOGY
The planar passivated and enhanced ultrafast recovery
diode features a triple charge control action utilising
SML
20EUZ12B
Semelab’s Graded Buffer Zone technology combined with
low emitter efficiency and local lifetime control techniques.
1 - Cathode
2 - Anode
BENEFITS
• Very fast recovery for low switching losses
• Ultra soft recovery with low EMI generation
• High dynamic ruggedness under all conditions
• Low temperature dependency
• Low on-state losses with positive temperature coefficient
• Stable blocking voltage and low leakage current
• Avalanche rated for high reliability circuit operation
1
2
See Package outline for mechanical data and more details
TO247 Package
Key Parameters
APPLICATIONS
V
R
(max)
V
F
(typ)
I
F
(max)
t
rr
(max)
1200V
3.2V
20A
40ns
• Freewheeling Diode for IGBTs and MOSFETs
• Uninterruptible Power Supplies UPS
• Switch Mode Power Supplies SMPS
• Inverse and Clamping Diode
• Snubber Diode
• Fast Switching Rectification
ABSOLUTE MAXIMUM RATINGS
(T
case
=
25°C unless otherwise stated)
V
RRM
V
R
I
FAV
I
FSM(surge)
I
FS(surge)
P
D
W
AVL
T
J
,T
STG
Peak Repetitive Reverse Voltage
DC Reverse Blocking Voltage
Average Forward Current @Tc = 85°C
Repetitive Forward Current
Non-Repetitive Forward Current
Power Dissipation @Tc = 85°C
Avalanche Energy (L=40mH)
Operating & Storage Junction Temperature
1200V
1200V
20A
50A
200A
70W
20mJ
-55 to 150°C
Semelab Plc reserves the right to change test conditions, parameter limits and package dimensions without notice. Information furnished by Semelab is
believed to be both accurate and reliable at the time of going to press. However Semelab assumes no responsibility for any errors or omissions discovered in
its use. Semelab encourages customers to verify that datasheets are current before placing orders.
Semelab plc.
Telephone +44(0)1455 556565. Fax +44(0)1455 552612.
E-mail:
sales@semelab.co.uk
Website:
http://www.semelab.co.uk
Document Number 2387
Issue 1
SML20EUZ12B
ELECTRICAL CHARACTERISTICS
Parameter
STATIC ELECTRICAL CHARACTERISTIC
I
F
= 20A
V
F
Forward Voltage Drop
I
F
= 20A
I
F
= 10A
I
R
C
T
Q
rr
I
rr
t
rr
Q
rr
I
rr
t
rr
t
rr
Leakage Current
Junction Capacitance
Reverse Recovery Charge
Reverse Recovery Current
Reverse Recovery Time
Reverse Recovery Charge
Reverse Recovery Current
Reverse Recovery Time
Reverse Recovery Time
V
R
= 1200V
V
R
= 1200V
V
R
= 200V
T
j
= 25°C
T
j
= 125°C
T
j
= 25°C
T
j
= 25°C
T
j
= 125°C
T
j
= 25°C
2.5
0.7
0.5
18
0.63
28
45
0.91
34
54
40
500
4
µA
mA
pF
µC
A
nsec
µC
A
nsec
nsec
3.2
3.5
3.7
V
(Tcase = 25°C unless otherwise stated)
Test Conditions
Min.
Typ.
Max.
Unit
DYNAMIC ELECTRICAL CHARACTERISTIC
V
R
=
600V
I
F
= 20A
d
i
/ d
t
=
1000A/µs T
J
= 25°C
V
R
=
600V
I
F
= 20A
d
i
/ d
t
=
1000A/µs T
J
= 125°C
V
R
=
50V
d
i
/ d
t
=
100A/µs
I
F
= 1A
T
J
= 25°C
THERMAL AND MECHANICAL CHARACTERISTICS
Junction to Case Thermal Resistance
R
θjc
T
L
L
S
Torque
Lead Temperature
Stray Inductance
Mounting Torque
10
1.4
300
1.1
°C/W
°C
nH
N.m
T O -2 4 7 c lip P a c k a g e
4 .6 9 (.1 8 5 )
5 .3 1 (.2 0 9 )
1 .4 9 (.0 5 9 )
2 .4 9 (.0 9 8 )
6 .1 5 (.2 4 2 )
B S C
C a th o d e
1 5 .4 9 (.6 1 0 )
1 6 .2 6 (.6 4 0 )
5 .3 8 (.2 1 2 )
6 .2 0 (.2 4 4 )
2 0 .8 0 (.8 1 9 )
2 1 .4 6 (.8 4 5 )
1
2
3 .5 0 (.1 3 8 )
3 .8 1 (.1 5 0 )
4 .5 0 (.1 7 7 )
M A X
0 .4 0 (.0 1 6 )
0 .7 9 (.0 3 1 )
1 9 .8 1 (.7 8 0 )
2 0 .3 2 (.8 0 0 )
1 .0 1 (.0 4 0 )
1 .4 0 (.0 5 5 )
1 .6 5 (.0 6 5 )
3 .8 1 (.1 5 0 )
2 - A n o d e
1 - C a th o d e
2 .2 1 (.0 8 7 )
2 .5 9 (.1 0 2 )
1 0 .9 0 (.4 3 0 ) B S C
D im e n s io n s in M illim e te r s a n d (In c h e s )
Semelab Plc reserves the right to change test conditions, parameter limits and package dimensions without notice. Information furnished by Semelab is
believed to be both accurate and reliable at the time of going to press. However Semelab assumes no responsibility for any errors or omissions discovered in
its use. Semelab encourages customers to verify that datasheets are current before placing orders.
Semelab plc.
Telephone +44(0)1455 556565. Fax +44(0)1455 552612.
E-mail:
sales@semelab.co.uk
Website:
http://www.semelab.co.uk
Document Number 2387
Issue 1
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