This is information on a product in full production.
February 2014 DocID025634 Rev 1 1/7
STTH110-Y
Automotive high voltage ultrafast rectifier
Datasheet - production data
Features
•Very low conduction losses
•Negligible switching losses
•Low forward and reverse recovery times
•High junction temperature
•AEC-Q101 qualified
•ECOPACK®2 compliant component
Description
The STTH110-Y, which is using ST’s new 1000 V
planar technology, is especially suited for
switching mode base drive and transistor circuits.
The device is also intended for use as a free-
wheeling diode in power supplies and other
power switching applications in automotive
functions.
K
A
SMBflat
STTH110UFY
K
A
Table 1. Device summary
Symbol Value
IF(AV) 1 A
VRRM 1000 V
Tj (max) 175 °C
VF (typ) 0.98 V
Trr (typ) 52 ns
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Characteristics STTH110-Y
2/7 DocID025634 Rev 1
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, un less otherwise speci fied )
Symbol Parameter Value Unit
VRRM Repetitive peak reverse voltage 1000 V
IF(AV) Average forward current TL = 140 °C δ = 0.5 1 A
IFSM Forward Surge current tp = 8.3 ms 20 A
Tstg Storage temperature range -65 to + 175 °C
Tj(1)
1. condition to avoid thermal runaway for a diode on its own heatsink
Operating temperature range -40 to + 175 °C
Table 3. Thermal resistance
Symbol Parameter Value Unit
Rth(j-l) Junction to lead 20 °C/W
Table 4. St atic electrical characteristics
Symbol Parameter Tests conditions Min. Typ. Max. Unit
IR(1)
1. Pulse test: tp = 5 ms, δ < 2%
Reverse leakage current
Tj = 25 °C
VR = VRRM
5
µA
Tj = 125 °C 1 50
VF(2)
2. Pulse test: tp = 380 µs, δ < 2%
Forward 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 conditi ons Min. Typ. M ax. Unit
trr Reverse recovery time Tj = 25 °C
IF = 0.5 A
Irr = 0.25 A
IR = 1 A
52 75
ns
tfr Forward recovery time
Tj = 25 °C
IF = 1 A
dIF/dt = 50 A/µs
VFR = 2.70 V
300
VFP
Forward recovery
voltage 10 15 V
dPtot
dTj <1
Rth(j-a)
DocID025634 Rev 1 3/7
STTH110-Y Characteristics
7
Figure 1. Averag e forwar d pow er dissi pation
versus averag e forward current Figure 2. Forward voltage drop versus forward
current (typical values)
0.0
0.4
0.8
1.2
1.6
2.0
0.0 0.2 0.4 0.6 0.8 1.0 1.2
δ= 0.05 δ= 0.1 δ= 0.2 δ= 0.5 δ= 1
T
δ
=tp/T tp
I(A)
F(AV)
P(W)
F(AV)
0.01
0.10
1.00
10.00
0.0 0.4 0.8 1.2 1.6 2.0 2.4
I(A)
F
T = 25°C
j
T = 150°C
j
V(V)
F
Fi gur e 3. Fo rward v oltage dro p ve rs us forward
curren t (maxim um val ues) Figure 4. Relative variation of therm al
imped an ce junction to lead versus pulse
duration
0.01
0.10
1.00
10.00
0.0 0.4 0.8 1.2 1.6 2.0 2.4 2.8 3.2
I(A)
F
T = 150°C
j
T = 25°C
j
V(V)
F
Z/R
th(j- ) th(j- )ll
0.0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1.0
1.E-04 1.E-03 1.E-02 1.E-01 1.E+00 1.E+01
Single pulse
SMBflat
t(s)
p
Figure 5. Junction capacitan ce versus reverse
voltage applied (typical values) Figure 6. Thermal resi sta nce junc tion to
ambient versus copper surface under each lead
1
10
100
1 10 100 1000
C(pF)
F = 1 MHz
VOSC = 30 mVRMS
Tj= 25 °C
V(V)
R
R (°C/W)
th(j-a)
0
25
50
75
100
125
150
175
200
012345678910
epoxy printed circuit board FR4, copper thickness: 35 µm
S (cm²)
cu
Pack age information STTH 110-Y
4/7 DocID025634 Rev 1
2 Package information
•Epoxy meets UL94,V0
•Lead-free package
•Band indicates cathode
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.
Fi gure 7. S MBflat dimens i on s definiti ons
D
A
L2x
L
L1 2x
L2 2x
EE1
b
c
DocID025634 Rev 1 5/7
STTH 110-Y Packag e in formati on
7
Figure 8. SMBflat footprint, dimensions in mm (inches)
Table 6. SMBflat dimension values
Ref.
Dimensions
Millimeters Inches
Min. Typ. Max. Min. Typ. Max.
A 0.90 1.10 0.035 0.043
b 1.95 2.20 0.077 0.087
c 0.15 0.40 0.006 0.016
D 3.30 3.95 1.30 0.156
E 5.10 5.60 0.200 0.220
E1 4.05 4.60 0.189 0.181
L 0.75 1.50 0.029 0.059
L1 0.40 0.016
L2 0.60 0.024
1.20
(0.047)
1.20
(0.047)
3.44
(0.136)
5.84
(0.230)
2.07
(0.082)
Order ing information STTH 110-Y
6/7 DocID025634 Rev 1
3 Ordering information
4 Revision history
Table 7. Ordering information
Order codes Marking Package Weight Base qty Deliver y mode
STTH110UFY F110Y SMBflat 50 mg 5000 Tape and reel
Table 8. Document revision history
Date Revision Changes
05-Feb-2014 1 Initial release.
DocID025634 Rev 1 7/7
STTH110-Y
7
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