Bulletin PD-20283 rev. A 05/02
6TQ...
6TQ...S
SCHOTTKY RECTIFIER
6 Amp
I
F(AV)
= 6Amp
V
R
= 35 to 45V
Major Ratings and Characteristics
Characteristics
I
F(AV)
Rectangular
waveform
V
RRM
range
I
FSM
@ tp = 5 µs sine
V
F
T
J
@ 6 Apk, T
J
= 125°C
range
Description/Features
Units
A
V
A
V
°C
The 6TQ Schottky rectifier series has been optimized for low
reverse leakage at high temperature. The proprietary barrier
technology allows for reliable operation up to 175° C junction
temperature. Typical applications are in switching power
supplies, converters, free-wheeling diodes, and reverse bat-
tery protection.
175° C T
J
operation
High purity, high temperature epoxy encapsulation for
enhanced mechanical strength and moisture resistance
Low forward voltage drop
High frequency operation
Guard ring for enhanced ruggedness and long term
reliability
6TQ
6
35 to 45
690
0.53
- 55 to 175
Case Styles
6TQ...
6TQ... S
Base
Cathode
Base
Cathode
2
1
3
1
3
Cathode
Anode
N/C
Anode
TO-220
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D
2
PAK
1
6TQ... Series
Bulletin PD-20283 rev. A 05/02
Voltage Ratings
Part number
V
R
Max. DC Reverse Voltage (V)
35
40
45
V
RWM
Max. Working Peak Reverse Voltage (V)
6TQ035
6TQ040
6TQ045
Absolute Maximum Ratings
Parameters
I
F(AV)
Max. Average Forward Current
* See Fig. 5
I
FSM
E
AS
I
AR
Max. Peak One Cycle Non-Repetitive
Surge Current * See Fig. 7
Non-Repetitive Avalanche Energy
Repetitive Avalanche Current
6TQ
6
690
140
8
1.20
Units Conditions
A
50% duty cycle @ T
C
= 164° C, rectangular wave form
5µs Sine or 3µs Rect. pulse
10ms Sine or 6ms Rect. pulse
Following any rated
load condition and
with rated V
RRM
applied
A
mJ
A
T
J
= 25 °C, I
AS
= 1.20 Amps, L = 11.10 mH
Current decaying linearly to zero in 1 µsec
Frequency limited by T
J
max. V
A
= 1.5 x V
R
typical
Electrical Specifications
Parameters
V
FM
Max. Forward Voltage Drop
* See Fig. 1
(1)
6TQ
0.60
0.73
0.53
0.64
Units Conditions
V
V
V
V
mA
mA
V
mΩ
pF
nH
V/ µs
V
R
= 5V
DC
, (test signal range 100Khz to 1Mhz) 25 °C
Measured lead to lead 5mm from package body
(Rated V
R
)
@ 6A
@ 12A
@ 6A
@ 12A
T
J
= 25 °C
T
J
= 125 °C
T
J
= T
J
max.
T
J
= 25 °C
T
J
= 125 °C
V
R
= rated V
R
I
RM
Max. Reverse Leakage Current (1)
* See Fig. 2
0.8
7
0.35
18.23
400
8.0
10000
V
F(TO)
Threshold Voltage
r
t
C
T
L
S
Forward Slope Resistance
Max. Junction Capacitance
Typical Series Inductance
dv/dt Max. Voltage Rate of Change
(1) Pulse Width < 300µs, Duty Cycle < 2%
Thermal-Mechanical Specifications
Parameters
T
J
T
stg
Max. Junction Temperature Range
Max. Storage Temperature Range
6TQ
- 55 to 175
- 55 to 175
2.2
0.50
2 (0.07)
Min.
Max.
6 (5)
12 (10)
Units Conditions
°C
°C
°C/W
°C/W
g (oz.)
Kg-cm
(Ibf-in)
DC operation
* See Fig. 4
R
thJC
Max. Thermal Resistance Junction
to Case
R
thCS
Typical Thermal Resistance,
Case to Heatsink
wt
T
Approximate Weight
Mounting Torque
Mounting surface , smooth and greased
2
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6TQ... Series
Bulletin PD-20283 rev. A 05/02
100
1 00
T
J
= 17 5 C
10
Reverse Current - I
R
(m A )
1
0 .1
0.0 1
0 .0 0 1
0 .0 00 1
0
5
10
15
20
25
30
35
40
45
Reve rse V oltag e - V
R
(V )
150 C
125 C
100 C
75 C
50 C
25 C
Instantaneous Forward Current - I
F
(A)
10
Fig. 2 - Typical Values of Reverse Current
Vs. Reverse Voltage
T J = 175˚C
T = 125˚C
J
T = 25˚C
J
T
10 0 0
(pF)
Junction C ap acitan ce - C
T
J
= 25 C
1
0.2
100
0.4
0.6
0.8
1
1.2
1.4
1.6
0
10
20
30
40
50
Forward Voltage Drop - V
FM
(V)
Fig. 1 - Maximum Forward Voltage Drop Characteristics
10
Therm al Im p edance Z
thJC
( C/W )
Rev erse V oltag e - V
R
(V )
Fig. 3 - Typical Junction Capacitance
Vs. Reverse Voltage
1
D
D
D
D
D
=
=
=
=
=
0 .7 5
0 .5 0
0 .3 3
0 .2 5
0 .2 0
Notes:
Sin gle Pu lse
(The rm a l Resista nce)
0.001
0.0 000 1
0.1
P
D M
t1
t2
0.0 1
1. D uty factor D = t 1/ t 2
2. Peak T
J
= P
D M
x Z
thJC
+ T
C
0.1
1
10
100
0.0 001
0.0 01
0.01
t 1 , R ecta n gula r Pulse D u ra tio n (Sec o nd s)
Fig. 4 - Maximum Thermal Impedance Z
thJC
Characteristics
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3
6TQ... Series
Bulletin PD-20283 rev. A 05/02
18 0
Allow ab le C a se Tem pera ture - ( C )
Ave rage P ow er Loss - (W atts)
5
D
D
D
D
D
=
=
=
=
=
0.20
0.25
0.33
0.50
0.75
DC
RM S Lim it
2
17 5
17 0
16 5
16 0
15 5
see note (2)
4
DC
3
Squa re w ave (D = 0.50)
80% Ra ted V
R
ap p lied
1
15 0
0
1
2
3
4
5
6
7
8
9
A vera ge Forw ard C urren t - I
F(A V)
(A)
0
0
1
2
3
4
5
6
7
8
9
Averag e Forw a rd C urren t - I
F (A V )
(A)
Fig. 5 - Maximum Allowable Case Temperature
Vs. Average Forward Current
10 0 0
N on -Repe titive Surge C urrent - I
FSM
(A)
Fig. 6 - Forward Power Loss Characteristics
At Any Rated Load C on dition
An d W ith Rated V
RRM
A pplied
Follow ing Surge
10 0
10
10 0
10 0 0
1 0 0 00
Sq uare W ave Pulse D ura tion - t p (m icrosec)
Fig. 7 - Maximum Non-Repetitive Surge Current
L
H IG H -SPE ED
SW ITC H
FREE-W HE EL
D IO D E
40H FL40S02
V d = 25 V olt
D UT
IRFP460
Rg = 25 ohm
+
C UR RE N T
M O N ITO R
Fig. 8 - Unclamped Inductive Test Circuit
(2)
Formula used: T
C
= T
J
- (Pd + Pd
REV
) x R
thJC
;
Pd = Forward Power Loss = I
F(AV)
x V
FM
@ (I
F(AV)
/
D) (see Fig. 6);
Pd
REV
= Inverse Power Loss = V
R1
x I
R
(1 - D); I
R
@ V
R1
= 80% rated V
R
4
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6TQ... Series
Bulletin PD-20283 rev. A 05/02
Outline Table
10.54 (0.41)
MAX.
3.78 (0.15)
3.54 (0.14)
15.24 (0.60)
14.84 (0.58)
1
14.09 (0.55)
13.47 (0.53)
3
3.96 (0.16)
3.55 (0.14)
2.04 (0.080) MAX.
1.40 (0.05)
1.15 (0.04)
0.94 (0.04)
0.69 (0.03)
2.89 (0.11)
2.64 (0.10)
0.10 (0.004)
2.92 (0.11)
2.54 (0.10)
TERM 2
DIA.
6.48 (0.25)
6.23 (0.24)
2°
1.32 (0.05)
1.22 (0.05)
Base
Cathode
1
4.57 (0.18)
4.32 (0.17)
3
0.61 (0.02) MAX.
1
3
Cathode
Anode
5.08 (0.20) REF.
Conform to JEDEC outline TO-220AC
Dimensions in millimeters and (inches)
10.16 (0.40)
REF.
4.69 (0.18)
4.20 (0.16)
1.32 (0.05)
6.47 (0.25)
15.49 (0.61)
1.22 (0.05)
93°
6.18 (0.24)
14.73 (0.58)
2.61 (0.10)
2.32 (0.09)
8.89 (0.35)
5.28 (0.21)
4.78 (0.19)
0.55 (0.02)
0.46 (0.02)
3X
1.40 (0.055)
REF.
0.93 (0.37)
0.69 (0.27)
1.14 (0.045)
2X
Base
Cathode
2
MINIMUM RECOMMENDED FOOTPRINT
11.43 (0.45)
1
3
4.57 (0.18)
4.32 (0.17)
2
0.61 (0.02) MAX.
5.08 (0.20) REF.
8.89 (0.35)
17.78 (0.70)
3.81 (0.15)
2.08 (0.08)
2X
1
3
N/C
Anode
2.54 (0.10)
2X
Conform to JEDEC outline D Pak (SMD-220)
Dimensions in millimeters and (inches)
2
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5
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