DYNEX TV1825FM, TV1825FK, TV1824FM, TV1824FK, TV1822FM Datasheet
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TV18..F
TV18..F
Fast Recovery Diode
Replaces March 1998 version, DS4211-2.2 |
DS4211-3.0 January 2000 |
APPLICATIONS
■Induction Heating
■A.C. Motor Drives
■Snubber Diode
■Welding
■High Frequency Rectification
■UPS
FEATURES
■Thermal Fatigue Free Pressure Contact
■High Surge Capability
■Low Recovery Charge
VOLTAGE RATINGS
Type Number |
Repetitive Peak |
Conditions |
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Reverse Voltage |
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VRRM |
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V |
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TV18 25F M or K |
2500 |
VRSM = VRRM + 100V |
TV18 24F M or K |
2400 |
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TV18 22F M or K |
2200 |
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TV18 20F M or K |
2000 |
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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.
KEY PARAMETERS
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VRRM |
2500V |
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IF(AV) |
200A |
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IFSM |
3500A |
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Qr |
240μC |
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trr |
2.0μs |
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Outline type codes: DO9.
See Package Details for further information.
CURRENT RATINGS
Symbol |
Parameter |
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Conditions |
Max. |
Units |
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I |
Mean forward current |
Half wave resistive load, T |
case |
= 65oC |
200 |
A |
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F(AV) |
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I |
RMS value |
T |
case |
= 65oC |
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320 |
A |
F(RMS) |
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1/8
TV18..F
SURGE RATINGS
Symbol |
Parameter |
Conditions |
Max. |
Units |
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IFSM |
Surge (non-repetitive) forward current |
10ms half sine; with 0% VRRM, Tj = 150oC |
3.5 |
kA |
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I2t |
I2t for fusing |
61 x 103 |
A2s |
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IFSM |
Surge (non-repetitive) forward current |
10ms half sine; with 50% VRRM, Tj = 150oC |
2.8 |
kA |
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I2t |
I2t for fusing |
39.2x 103 |
A2s |
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THERMAL AND MECHANICAL DATA
Symbol |
Parameter |
Conditions |
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Min. |
Max. |
Units |
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Rth(j-c) |
Thermal resistance - junction to case |
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dc |
- |
0.16 |
oC/W |
Rth(c-h) |
Thermal resistance - case to heatsink |
Mounting torque 35.0Nm |
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- |
0.06 |
o |
with mounting compound |
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C/W |
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Tvj |
Virtual junction temperature |
On-state (conducting) |
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- |
150 |
oC |
Tstg |
Storage temperature range |
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-55 |
175 |
oC |
- |
Mounting torque |
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30.0 |
35.0 |
Nm |
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CHARACTERISTICS
Symbol |
Parameter |
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Conditions |
Typ. |
Max. |
Units |
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VFM |
Forward voltage |
At 1000A peak, Tcase = 25oC |
- |
3.1 |
V |
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I |
RRM |
Peak reverse current |
At V |
RRM |
, T = 150oC |
- |
50 |
mA |
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case |
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trr |
Reverse recovery time |
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- |
3.2 |
μs |
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QRA1 |
Recovered charge (50% chord) |
IF = 1000A, diRR/dt = 100A/μs |
- |
240 |
μC |
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IRM |
Reverse recovery current |
Tcase = 150oC, VR = 100V |
- |
160 |
A |
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K |
Soft factor |
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1.3 |
- |
- |
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VTO |
Threshold voltage |
At Tvj = 150oC |
- |
1.64 |
V |
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rT |
Slope resistance |
At Tvj = 150oC |
- |
1.54 |
mΩ |
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V |
FRM |
Forward recovery voltage |
di/dt = 1000A/μs, T = 125oC |
- |
120 |
V |
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j |
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2/8
TV18..F
DEFINITION OF K FACTOR AND QRA1
QRA1 = 0.5x IRR(t1 + t2)
dIR/dt |
k = t |
1 |
/t |
t1 |
t2 |
2 |
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τ |
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0.5x IRR |
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IRR |
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CURVES
F
Instantaneous forward current I - (A)
2000 
Measured under pulse
conditions
1750
1500
1250
Tj = 150˚C
1000
Tj = 25˚C
750
500 |
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1.0 |
2.0 |
3.0 |
4.0 |
5.0 |
Instantaneous forward voltage VF - (V)
Fig.1 Maximum (limit) forward characteristics
3/8
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