This is information on a product in full production.
December 2013 DocID9344 Rev 3 1/8
STTH110
High voltage ultrafast rectifier
Datasheet - production data
Features
Low forwarded voltage drop
High reliability
High surge current capability
Soft switching for reduced EMI disturbances
Planar technology
Description
The STTH110, which is using ST ultrafast high
voltage planar technolo gy, is especially suited for
free-wheeling, clamping, snubbering,
demagnetization in power supplies and other
power switching applications.
K
K
K
A
A
A
SMA
(JEDEC DO-214AC)
STTH110A
DO-41
STTH110
Table 1. Device summary
Symbol Value
IF(AV) 1 A
VRRM 1000 V
Tj (max) 175 °C
VF (max) 1.42 V
www.st.com
Characteristics STTH110
2/8 DocID9344 Rev 3
1 Characteristics
To evaluate the conduction losses use the following equation:
P = 1.20 x IF(AV) + 0.225 IF2(RMS)
Table 2. Absolute ratings (limiting values at Tj = 25 °C, unless otherwise specified)
Symbol Parameter Value Unit
VRRM Repetitive peak reverse voltage 1000 V
V(RMS) Voltage rms 700 V
IF(AV) Average forward current SMA TL = 110 °C δ = 0.5 1 A
DO-41 TL = 125 °C δ = 0.5 1
IFSM Forward Surge current
t = 8.3 ms SMA 18 A
DO-41 20
Tstg Storage temperature range -50 to + 175 °C
TjMaximum operating junction temperature 175 °C
Table 3. Thermal resistance
Symbol Parameter Value Unit
Rth(j-l) Junction to lead SMA 30
°C/W
Lead length = 10 mm DO-41 45
Rth(j-a) Junction to ambient Lead length = 10 mm DO-41 110
Table 4. Static electrical characteristics
Symbol Parameter Tests conditions Min. Typ. Max. Unit
IR Reverse leakage current Tj = 25 °C VR = 1000 V 10 µA
Tj = 125 °C 50
VFForward voltage drop Tj = 25 °C IF = 1 A 1.7 V
Tj = 150 °C 0.98 1.42
Table 5. Dynamic electrical characteristics
Symbol Parameter Tests conditions Min. Typ. Max. Unit
trr Reverse recovery time Tj = 25 °C IF = 0.5, A
Irr = 0.25 A,
IR = 1 A 75 ns
tfr Forward recovery time Tj = 25 °C IF = 1 A,
dIF/dt = 50 A/ms
VFR = 1.1 x VFmax
300 ns
VFP Forward recovery
voltage 18 V
DocID9344 Rev 3 3/8
STTH110 Characteristics
8
Figure 1. Conduction losse s versus average
current Figure 2. Forward voltage drop versus forward
current (typical values)
P(W)
0.0
0.2
0.4
0.6
0.8
1.0
1.2
1.4
1.6
1.8
0.0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0 1.1 1.2
I (A)
F(AV)
δ
= 1
δ
= 0.05
δ
= 0.5
δ
= 0.2
δ
= 0.1
T
δ=tp/T tp
I (A)
FM
0.1
1.0
10.0
100.0
0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5
V (V)
FM
T =25°C
j
(maximum values)
T =150°C
j
(maximum values)
T =150°C
j
(typical values)
Figure 3. Relative variation of thermal
impedance junction am bient versus pulse
duration (DO-41)
Figure 4. Relative variation of thermal
impedance junction ambient versus pulse
duration (SMA)
Z/R
th(j-c) th(j-c)
0.0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1.0
1.E-01 1.E+00 1.E+01 1.E+02 1.E+03
t (s)
p
T
δ
= tp/T tp
δ= 0.5
δ= 0.2
δ= 0.1
Single pulse
epoxy FR4, leads = 10 mm
Z/R
th(j-c) th(j-c)
0.0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1.0
1.E-01 1.E+00 1.E+01 1.E+02 1.E+03
t (s)
p
T
δ=tp/T tp
δ= 0.5
δ= 0.2
δ= 0.1
Single pulse
Figure 5. Thermal resistance junction to
ambient versus coppe r surface under each lead
(DO-41)
Figure 6. Thermal resistance junction to
ambient versus copper surface under each lead
(SMA)
R (°C/W)
th(j-a)
0
10
20
30
40
50
60
70
80
90
100
110
120
012345678910
S(cm²)
epoxy printed circuit board FR4, copper thickness: 35 µm
R (°C/W)
th(j-a)
0
10
20
30
40
50
60
70
80
90
100
110
120
130
140
0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0
S(cm²)
epoxy printed circuit board FR4, copper thickness: 35 µm
Package information STTH110
4/8 DocID9344 Rev 3
2 Package information
Epoxy meets UL94,V0
Lead-free package
Band indicates cathode
Bending method (DO-41): see Application note AN1471
In order to meet environmental requirements, ST offers these devices in different grades of
ECOPACK® packages, depending on their level of environmental compliance. ECOPACK®
specifications, grade definitions and product status are available at: www.st.com.
ECOPACK® is an ST trademark.
Figure 7. SMA dimensions definitions
E
C
L
E1
D
A1
A2
b
DocID9344 Rev 3 5/8
STTH110 Package information
8
Figure 8. SMA footprint, dimensions in mm (inches)
Table 6. SMA dimension values
Ref.
Dimensions
Millimeters Inches
Min. Typ. Max. Min. Typ. Max.
A1 1.90 2.45 0.075 0.094
A2 0.05 0.20 0.002 0.008
b 1.25 1.65 0.049 0.065
c 0.15 0.40 0.006 0.016
D 2.25 2.90 0.089 0.114
E 4.80 5.35 0.189 0.211
E1 3.95 4.60 0.156 0.181
L 0.75 1.50 0.030 0.059
2.63
(0.104)
5.43
(0.214)
1.4
1.64
(0.064)
1.4
(0.055) (0.055)
Package information STTH110
6/8 DocID9344 Rev 3
Figure 9. DO-41 (pla stic) dimensions definitions
Table 7. DO-41 (plastic) dimension values
Ref.
Dimensions
Millimeters Inches
Min. Typ. Max. Min. Typ. Max.
A 4.07 5.20 0.160 0.205
B 2.04 2.71 0.080 0.107
C 25.4 1
D 0.71 0.86 0.028 0.034
CA B
D
D
C
DocID9344 Rev 3 7/8
STTH110 Ordering information
8
3 Ordering information
4 Revision history
Table 8. Ordering information
Order codes Marking Package Weight Base qty Delivery mode
STTH110 STT H110 DO-41 0.34 g 2000 Ammopack
STTH110A H10 SMA 0.068 g 5000 Tape and reel 13”
STTH110RL STTH11 0 DO-41 0,34 g 5000 Ta pe and reel 13”
Table 9. Document revision history
Date Revision Changes
Jan-2003 1 Initial release.
30-Sept-2009 2 Updated Table 8.
20-Dec-2013 3 Updated Table 4.
STTH110
8/8 DocID9344 Rev 3
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