TV18..F
TV18..F
Fast Recovery Diode
Replaces March 1998 version, DS4211-2.2
DS4211-3.0 January 2000
APPLICATIONS
s
Induction Heating
s
A.C. Motor Drives
s
Snubber Diode
s
Welding
s
High Frequency Rectification
s
UPS
KEY PARAMETERS
V
RRM
2500V
I
F(AV)
200A
I
FSM
3500A
Q
r
240
µ
C
t
rr
2.0
µ
s
FEATURES
s
Thermal Fatigue Free Pressure Contact
s
High Surge Capability
s
Low Recovery Charge
VOLTAGE RATINGS
Type Number
Repetitive Peak
Reverse Voltage
V
RRM
V
2500
2400
2200
2000
Conditions
TV18 25F M or K
TV18 24F M or K
TV18 22F M or K
TV18 20F M or K
V
RSM
= V
RRM
+ 100V
For 3/4" 16 UNF thread, add suffix K, e.g. TV18 25FK.
For M16 thread, add suffix M, e.g. TV18 25FM.
For stud anode add 'R' to type number, e.g. TV18 25FMR.
Outline type codes: DO9.
See Package Details for further information.
CURRENT RATINGS
Symbol
I
F(AV)
I
F(RMS)
Parameter
Mean forward current
RMS value
Conditions
Half wave resistive load, T
case
= 65
o
C
T
case
= 65
o
C
Max.
200
320
Units
A
A
1/8
TV18..F
SURGE RATINGS
Symbol
I
FSM
It
I
FSM
It
2
2
Parameter
Surge (non-repetitive) forward current
Conditions
Max.
3.5
Units
kA
A
2
s
kA
A
2
s
10ms half sine; with 0% V
RRM,
T
j
= 150 C
I t for fusing
Surge (non-repetitive) forward current
10ms half sine; with 50% V
RRM,
T
j
= 150 C
I t for fusing
2
o
2
o
61 x 10
3
2.8
39.2x 10
3
THERMAL AND MECHANICAL DATA
Symbol
R
th(j-c)
R
th(c-h)
T
vj
T
stg
-
Parameter
Thermal resistance - junction to case
Thermal resistance - case to heatsink
Virtual junction temperature
Storage temperature range
Mounting torque
Mounting torque 35.0Nm
with mounting compound
On-state (conducting)
Conditions
dc
Min.
-
-
-
-55
30.0
Max.
0.16
0.06
150
175
35.0
Units
o
C/W
o
C/W
o
C
C
o
Nm
CHARACTERISTICS
Symbol
V
FM
I
RRM
t
rr
Q
RA1
I
RM
K
V
TO
r
T
V
FRM
Forward voltage
Peak reverse current
Reverse recovery time
Recovered charge (50% chord)
Reverse recovery current
Soft factor
Threshold voltage
Slope resistance
Forward recovery voltage
At T
vj
= 150
o
C
At T
vj
= 150
o
C
di/dt = 1000A/µs, T
j
= 125
o
C
I
F
= 1000A, di
RR
/dt = 100A/µs
T
case
= 150
o
C, V
R
= 100V
Parameter
Conditions
At 1000A peak, T
case
= 25
o
C
At V
RRM
, T
case
= 150
o
C
Typ.
-
-
-
-
-
1.3
-
-
-
Max.
3.1
50
3.2
240
160
-
1.64
1.54
120
Units
V
mA
µs
µC
A
-
V
mΩ
V
2/8
TV18..F
DEFINITION OF K FACTOR AND Q
RA1
Q
RA1
= 0.5x I
RR
(t
1
+ t
2
)
dI
R
/dt
0.5x I
RR
I
RR
t
1
t
2
k = t
1
/t
2
τ
CURVES
2000
Measured under pulse
conditions
1750
Instantaneous forward current I
F
- (A)
1500
1250
T
j
= 150˚C
1000
T
j
= 25˚C
750
500
1.0
2.0
3.0
4.0
5.0
Instantaneous forward voltage V
F
- (V)
Fig.1 Maximum (limit) forward characteristics
3/8
TV18..F
500
Measured under
pulse conditions
400
Instantaneous forward current I
F
- (A)
T
j
= 150˚C
300
T
j
= 25˚C
200
100
0
1.0
1.5
2.0
2.5
3.0
Instantaneous forward voltage V
F
- (V)
Fig.2 Maximum (limit) forward characteristics
250
Current
waveform
V
FR
200
Transient forward votage V
FP
- (V)
Voltage
waveform
δy
δx
T
j
= 100˚C limit
di =
δy
dt
δx
150
100
T
j
= 25˚C limit
50
0
0
500
1000
1500
2000
Rate of rise of forward current dI
F
/dt - (A/µs)
Fig.3 Transient forward voltage vs rate of rise of forward current
4/8
TV18..F
10000
I
F
Q
S
=
∫
50µs
0
Conditions:
T
j
= 150˚C,
QS
V
R
= 100V
Reverse recovered charge Q
S
- (µC)
1000
t
p
= 1ms
dI
R
/dt
I
RR
I
F
= 1000A
I
F
= 750A
I
F
= 500A
I
F
= 200A
I
F
= 100A
100
10
1
10
100
Rate of rise of reverse current dI
R
/dt - (A/µs)
Fig.4 Recovered charge
1000
10000
Conditions:
T
j
= 150˚C,
V
R
= 100V
I
F
= 1000A
I
F
= 750A
I
F
= 500A
I
F
= 200A
100
I
F
= 100A
Reverse recovery current I
RR
- (A)
10
1
1
10
100
Rate of rise of reverse current dI
R
/dt - (A/µs)
1000
Fig.5 Typical reverse recovery current vs rate of rise of reverse current
5/8
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