SCHOTTKY RECTIFIER
19 Amp
19TQ015
19TQ015S
Bulletin PD-20266 rev. B 02/01
1
www.irf.com
Major Ratings and Characteristics
I
F(AV)
Rectangular
19
A
waveform
V
RRM
15
V
I
FSM
@ tp = 5 s sine
700
A
V
F
@
19 Apk, T
J
= 75C
0.32
V
T
J
range
- 55 to 125
C
Characteristics
19TQ015 Units
Description/Features
The 19TQ015 Schottky rectifier has been optimized for ultra
low forward voltage drop specifically for the OR-ing of parallel
power supplies. The proprietary barrier technology allows for
reliable operation up to 125 C junction temperature. Typical
applications are in parallel switching power supplies, convert-
ers, reverse battery protection, and redundant power
subsystems.
125C T
J
operation (V
R
< 5V)
Optimized for OR-ing applications
Ultra low forward voltage drop
High frequency operation
Guard ring for enhanced ruggedness and long term
reliability
High purity, high temperature epoxy encapsulation for
enhanced mechanical strength and moisture resistance
Case Styles
19TQ015
TO-220
I
F(AV)
= 19Amp
V
R
= 15V
19TQ015S
D
2
PAK
19TQ015/ 19TQ015S
2
Bulletin PD-20266 rev. B 02/01
www.irf.com
Part number
19TQ015
V
R
Max. DC Reverse Voltage (V)
V
RWM
Max. Working Peak Reverse Voltage (V)
Voltage Ratings
I
F(AV)
Max. Average Forward Current
19
A
50% duty cycle @ T
C
= 80 C, rectangular wave form
* See Fig. 5
I
FSM
Max. Peak One Cycle Non-Repetitive
700
5s Sine or 3s Rect. pulse
Surge Current * See Fig. 7
330
10ms Sine or 6ms Rect. pulse
E
AS
Non-Repetitive Avalanche Energy
6.75
mJ
T
J
= 25 C, I
AS
= 1.50 Amps, L = 6 mH
I
AR
Repetitive Avalanche Current
1.50
A
Current decaying linearly to zero in 1 sec
Frequency limited by T
J
max. V
A
= 3 x V
R
typical
Parameters
19TQ Units
Conditions
A
Absolute Maximum Ratings
V
FM
Max. Forward Voltage Drop (1)
0.36
V
@ 19A
* See Fig. 1
0.46
V
@ 38A
0.32
V
@ 19A
0.43
V
@ 38A
I
RM
Max. Reverse Leakage Current (1)
10.5
mA
T
J
= 25 C
* See Fig. 2
522
mA
T
J
= 100 C
465
mA
T
J
= 100 C, V
R
= 12V
285
mA
T
J
= 100 C, V
R
= 5V
C
T
Max. Junction Capacitance
2000
pF
V
R
= 5V
DC
, (test signal range 100Khz to 1Mhz) 25 C
L
S
Typical Series Inductance
8.0
nH
Measured lead to lead 5mm from package body
dv/dt Max. Voltage Rate of Change
10,000
V/ s
(Rated V
R
)
T
J
= 25 C
T
J
= 75 C
V
R
= rated V
R
Electrical Specifications
Parameters
19TQ Units
Conditions
T
J
Max. Junction Temperature Range
-55 to 125
C
T
stg
Max. Storage Temperature Range
-55 to 150
C
R
thJC
Max. Thermal Resistance Junction
1.50
C/W DC operation * See Fig. 4
to Case
R
thCS
Typical Thermal Resistance, Case to
0.50
C/W Mounting surface , smooth and greased
Heatsink
wt
Approximate Weight
2 (0.07)
g (oz.)
T
Mounting Torque
Min.
6 (5)
Max.
12 (10)
Kg-cm
(Ibf-in)
Thermal-Mechanical Specifications
Parameters
19TQ
Units
Conditions
(1) Pulse Width < 300s, Duty Cycle < 2%
Following any rated
load condition and
with rated V
RRM
applied
15
19TQ015/ 19TQ015S
3
Bulletin PD-20266 rev. B 02/01
www.irf.com
Fig. 2 - Typical Values of Reverse Current
Vs. Reverse Voltage
Fig. 3 - Typical Junction Capacitance
Vs. Reverse Voltage
Fig. 4 - Maximum Thermal Impedance Z
thJC
Characteristics
Fig. 1 - Maximum Forward Voltage Drop Characteristics
.1
1
10
100
1000
0
5
10
15
R
R
75C
50C
25C
Reverse Voltage - V (V)
Re
v
e
r
s
e
C
u
rre
n
t
-
I
(m
A)
T = 100C
J
.1
1
10
100
1000
0
.2
.4
.6
.8
1
1.2
1.4
FM
F
In
s
t
a
n
ta
n
e
o
u
s
F
o
r
w
ar
d C
u
r
r
e
n
t
-
I (
A
)
Forward Voltage Drop - V (V)
T = 100C
T = 75C
T = 25C
J
J
J
100
1000
10000
0
5
10
15
20
25
30
T = 25C
J
Reverse Voltage - V (V)
R
T
J
u
n
c
ti
o
n
C
a
p
a
c
i
ta
n
c
e
-
C
(
p
F
)
.001
.01
.1
1
10
.00001
.0001
.001
.01
.1
1
10
100
D = 0.33
D = 0.50
D = 0.25
D = 0.17
D = 0.08
1
th
J
C
t , Rectangular Pulse Duration (Seconds)
Th
e
r
m
a
l
Im
p
e
d
a
n
c
e
-
Z
(
C
/
W
)
Single Pulse
(Thermal Resistance)
2
t
1
t
P
DM
Notes:
1. Duty factor D = t / t
2. Peak T = P x Z + T
1
J
DM thJC C
2
19TQ015/ 19TQ015S
4
Bulletin PD-20266 rev. B 02/01
www.irf.com
Fig. 8 - Unclamped Inductive Test Circuit
Fig. 5 - Maximum Allowable Case Temperature
Vs. Average Forward Current
Fig. 6 - Forward Power Loss Characteristics
Fig. 7 - Maximum Non-Repetitive Surge Current
0
2
4
6
8
10
0
4
8
12
16
20
24
28
DC
A
v
e
r
ag
e P
o
w
e
r
L
o
s
s
-
(
W
a
tts
)
F(AV)
D = 0.08
D = 0.17
D = 0.25
D = 0.33
D = 0.50
RMS Limit
Average Forward Current - I (A)
80
85
90
95
100
105
0
5
10
15
20
25
30
DC
A
llo
w
ab
l
e
C
a
s
e
T
e
m
per
a
t
ur
e
-
(
C
)
Average Forward Current - I (A)
F(AV)
19TQ015
R (DC) = 1.50C/W
thJC
100
1000
10
100
1000
10000
FS
M
p
Non-Repetitive Surge Current -
I (A)
At Any Rated Load Condition
And With Rated V Applied
Following Surge
RRM
Square Wave Pulse Duration - t (microsec)
FR EE-W H E EL
D IO D E
40H FL40 S02
C UR RE N T
M O N ITO R
H IG H-SPE ED
SW ITC H
IRFP460
L
D UT
R g = 25 ohm
V d = 25 V olt
+
19TQ015/ 19TQ015S
5
Bulletin PD-20266 rev. B 02/01
www.irf.com
Outline Table
Conform to JEDEC outline TO-220AC
Dimensions in millimeters and (inches)
Conform to JEDEC outline D
2
Pak (SMD-220)
Dimensions in millimeters and (inches)
3.78 (0.15)
3.54 (0.14)
10.54 (0.41)
MAX.
DIA.
15.24 (0.60)
14.84 (0.58)
2.92 (0.11)
2.54 (0.10)
1
TERM 2
14.09 (0.55)
13.47 (0.53)
3.96 (0.16)
3.55 (0.14)
0.94 (0.04)
0.69 (0.03)
4.57 (0.18)
4.32 (0.17)
3
0.61 (0.02) MAX.
5.08 (0.20) REF.
1.32 (0.05)
1.22 (0.05)
6.48 (0.25)
6.23 (0.24)
2
0.10 (0.004)
1.40 (0.05)
1.15 (0.04)
2.89 (0.11)
2.64 (0.10)
1
3
2.04 (0.080) MAX.
10.16 (0.40)
REF.
8.89 (0.35)
4.57 (0.18)
4.32 (0.17)
0.61 (0.02) MAX.
5.08 (0.20) REF.
1.32 (0.05)
1.22 (0.05)
1
3
6.47 (0.25)
6.18 (0.24)
93
REF.
2.61 (0.10)
2.32 (0.09)
5.28 (0.21)
4.78 (0.19)
4.69 (0.18)
4.20 (0.16)
0.55 (0.02)
0.46 (0.02)
14.73 (0.58)
15.49 (0.61)
1.40 (0.055)
1.14 (0.045)
3X
0.93 (0.37)
0.69 (0.27)
2X
11.43 (0.45)
17.78 (0.70)
8.89 (0.35)
3.81 (0.15)
2.08 (0.08)
2X
2.54 (0.10)
2X
MINIMUM RECOMMENDED FOOTPRINT
2
Anode
1
3
Base
Cathode
Cathode
Anode
1
3
Base
Cathode
2
N/C
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