A1
A2
K
K
A1K
A2
TO-220AB
FERD60U45CT
Features
ST advanced rectifier process
Stable leakage current over reverse voltage
Low forward voltage drop
High frequency operation
FERD60U45C
Field effect rectifier
Datasheet
-
production data
Description
This dual rectifier is based on a proprietary technology that achieves the best in class V
F
/I for a given silicon surface.
R
Packaged in TO-220AB, this device is intended to be used in switch mode power supplies, or automotive applications
Table 1. Device summary
I
F(AV)
V
RRM
V
F
(typ)
2 x 30 A
45 V
0.345 V
November 2013
This is information on a product in full production.
DocID024893 Rev 1 1/7 www.st.com
Characteristics
1 Characteristics
FERD60U45C
Table 2. Absolute ratings (limiting values, per diode at 25° C, unless otherwise stated)
Symbol Parameter Value Unit
I
V
RRM
F(RMS)
I
F(AV)
I
FSM
T stg
T j
1.
dTj
Repetitive peak reverse voltage
Forward rms current
Average forward current,
= 0.5
Surge non repetitive forward current
Storage temperature range
Maximum operating junction temperature
(1)
T c
=145° C
T c
=135° C
Per diode
Per device t p
= 10 ms sinusoidal
Symbol
– a
condition to avoid thermal runaway for a diode on its own heatsink
Table 3. Thermal resistances
Parameter
45
60
30
60
300
-65 to + 175
175
V
A
A
A
°C
°C
Unit
R th (j-c)
R th(c)
Junction to case
Coupling
Per diode
Total
Value
1.4
0.9
0.4
°C/W
°C/W
When the diodes 1 and 2 are used simultaneously:
T j
(diode 1) = P(diode1) x R th(j-c)
(Per diode) + P(diode2) x R th(c)
.
Symbol
Table 4. Static electrical characteristics (per diode)
Parameter Test Conditions Min.
I
R
(1)
V
F
(2)
Reverse leakage current
Forward voltage drop
T j
= 25° C
T j
= 125° C
T j
= 25° C
T j
= 125° C
T j
= 25° C
T j
= 125° C
V
R
= V
RRM
I
F
= 15 A
I
F
= 30 A
1.
Pulse test: t p
= 5 ms,
< 2%
2.
Pulse test: t p
= 380 µs,
< 2%
To evaluate the conduction losses use the following equation:
P = 0.32 x I
F(AV)
+ 0.0063 I
F
2
(RMS)
Typ.
50
0.38
Max.
Unit
1500
100
0.41
0.345
0.375
0.46
0.50
0.47
0.51
µA mA
V
2/7 DocID024893 Rev 1
FERD60U45C Characteristics
Figure 1. Average forward power dissipation versus average forward current (per diode)
25
PF(AV) (W) d = 0.05
d = 0.1
d = 0.2
d = 0.5
20 d = 1
15
10
T
5
0
0 5 10 15
IF(AV) (A)
20 25 30 d =tp/T
35 tp
40
Figure 3. Relative variation of thermal impedance junction to case versus pulse duration
1.0
0.9
0.8
0.7
0.6
0.5
Zth(j-c)/Rth(j-c)
0.4
0.3
0.2
Single pulse
0.1
0.0
1.E-04 1.E-03 1.E-02 1.E-01 tp (s)
1.E+00
25
20
35
Figure 2. Average forward current versus ambient temperature (
= 0.5, per diode)
IF(AV) (A)
R th(j-a)
=R th(j-c)
30
15
10
T
5
0
0 d =tp/T
25 tp
50 75 100
Tamb (°C)
125 150 175
Figure 4. Reverse leakage current versus reverse voltage applied (typical values, per diode)
1.E+02
IR (mA)
1.E+01
1.E+00
T j
=125°C
T j
=25°C
1.E-01
0 5 10 15 20 25 30 35
VR (V)
40 45
Figure 5. Junction capacitance versus reverse voltage applied (typical values, per diode)
10000
C (pF)
V osc
F=1MHz
=30mV
T j
=25°C
RMS
Figure 6. Forward voltage drop versus forward current (typical values, per diode)
100.0
IF (A)
10.0
1000
T j
=125°C T j
=25°C
1.0
100
1 10
VR (V)
100
0.1
0.00
0.10
0.20
0.30
0.40
0.50
VF (V)
0.60
0.70
DocID024893 Rev 1 3/7
7
Package Information FERD60U45C
Epoxy meets UL94,V0
Cooling method: by conduction (C)
Recommended torque value: 0.4 to 0.6 N·m
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. TO-220AB dimension definitions
E
∅ P F
A
Resin gate
0.5 mm max.
protrusion(1)
Q
L20
D D1
L30 b1 L1
J1
L b e
Resin gate
0.5 mm max.
protrusion(1) e1
(1) Resin gate position accepted in each of the two position shown as well as the symmetrical opposites c
H1
4/7 DocID024893 Rev 1
FERD60U45C
Ref.
J1
L
L1
L20
L30
P
Q c
D
D1
E e e1
F
H1
A b b1
Package Information
10
2.40
4.95
1.23
6.20
2.40
13
3.50
Min.
4.40
0.61
1.14
0.48
15.25
Table 5. TO-220AB dimension values
Dimensions
Millimeters
Max.
4.60
0.88
1.70
0.70
15.75
Min.
0.17
0.024
0.045
0.019
0.60
1.27 typ.
10.40
2.70
5.15
1.32
6.60
2.72
14
3.93
0.39
0.094
0.19
0.048
0.24
0.094
0.51
0.137
16.40 typ.
28.90 typ.
3.75
2.65
3.85
2.95
0.147
0.104
Inches
0.05 typ.
0.64 typ.
1.13 typ.
0.41
0.106
0.20
0.052
0.26
0.107
0.55
0.154
Max.
0.18
0.035
0.067
0.027
0.62
0.151
0.116
DocID024893 Rev 1 5/7
7
Ordering Information FERD60U45C
Order code
FERD60U45CT
Table 6. Ordering information
Marking Package Weight Base qty Delivery mode
FERD60U45CT TO-220AB 2.2 g 50 Tube
Date
13-Nov-2013
Table 7. Document revision history
Revision Description of Changes
1 Previous version
6/7 DocID024893 Rev 1
FERD60U45C
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