Vishay 8AF Series Data Sheet

B-47
PRODUCT SUMMARY
I
F(AV)
Vishay High Power Products
Pressfit Rectifier Diodes, 50 A
• Convenient pressfit package
• Available with and without leads
• High surge capabilities
• Fully characterized bulletin
• RoHS compliant
• Designed and qualified for industrial level
50 A
8AF Series
RoHS
COMPLIANT
MAJOR RATINGS AND CHARACTERISTICS
PARAMETER TEST CONDITIONS VALUES UNITS
I
F(AV)
I
F(RMS)
I
FSM
2
I
t
2
I
t 25 455 A2√s
V
RRM
T
J
T
C
50 Hz 714
60 Hz 747
50 Hz 2546
60 Hz 2324
Range 50 to 400 V
50 A
150 °C
79 A
- 65 to 195 °C
ELECTRICAL SPECIFICATIONS
VOLTAGE RATINGS
V
TYPE NUMBER
8AF
, MAXIMUM REPETITIVE
VOLTAGE
CODE
05 50 75
1 100 150 7
2 200 300
4 400 500 5
RRM
PEAK REVERSE VOLTAGE
V
V
, MAXIMUM NON-REPETITIVE
RSM
PEAK REVERSE VOLTAGE
V
AT T
I
RRM
J
A
A2s
MAXIMUM
= TJ MAXIMUM
mA
7
5
Document Number: 93530 For technical questions, contact: ind-modules@vishay.com Revision: 17-Jun-08 1
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8AF Series
Vishay High Power Products
Pressfit Rectifier Diodes, 50 A
FORWARD CONDUCTION
PARAMETER SYMBOL TEST CONDITIONS VALUES UNITS
Maximum average forward current at case temperature
Maximum RMS forward current I
Maximum peak, one cycle forward, non-repetitive surge current
Maximum I
Maximum I
2
t for fusing I2t
2
t for fusing I2√t t = 0.1 to 10 ms, no voltage reapplied 25 455 A2√s
Low level value of threshold voltage V
High level value of threshold voltage V
Low level value of forward slope resistance r
High level value of forward slope resistance r
Maximum forward voltage drop V
I
F(AV)
F(RMS)
I
FSM
F(TO)1
F(TO)2
f1
f2
FM
180° conduction, half sine wave
t = 10 ms
t = 8.3 ms 747
t = 10 ms
t = 8.3 ms 628
t = 10 ms
t = 8.3 ms 2324
t = 10 ms
t = 8.3 ms 1643
(16.7 % x π x I (π x I
F(AV)
(16.7 % x π x I (π x I
F(AV)
TJ = 25 °C, IFM = π x rated I
No voltage reapplied
100 % V reapplied
No voltage reapplied
100 % V reapplied
< I < π x I
F(AV)
< I < 20 x π x I
< I < π x I
F(AV)
< I < 20 x π x I
RRM
RRM
F(AV)
F(AV)
Sinusoidal half wave, initial T
=
J
maximum
T
J
), TJ = TJ maximum 0.60
F(AV)
), TJ = TJ maximum 0.68
), TJ = TJ maximum 6.66
F(AV)
), TJ = TJ maximum 6.25
F(AV)
50 A
150 °C
79 A
714
600
2546
1800
1.45 V
A
A2s
V
mΩ
THERMAL AND MECHANICAL SPECIFICATIONS
PARAMETER SYMBOL TEST CONDITIONS VALUES UNITS
Maximum junction operating and storage temperature range
Maximum thermal resistance, junction to case
Typical thermal resistance, case to heatsink
Approximate weight
Case style See dimensions - link at the end of datasheet B-47
Note
(1)
Mounting: A 12.6 ± 0.02 mm (0.496 to 0.497") diameter hole should be drilled in heatsink, the leading edge chamfered to 0.038 mm (0.015") x 45°. The autodiode should then be press fitted, ensuring that the sides of the autodiode are kept parallel to the sides of the hole.
, T
T
J
Stg
R
thJC
DC operation 0.60
- 65 to 195 °C
K/W
R
thCS
As per mounting details, see note
(1)
0.50
10 g
0.36 oz.
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Document Number: 93530
2 Revision: 17-Jun-08
8AF Series
ΔR
CONDUCTION
thJC
Pressfit Rectifier Diodes, 50 A
Vishay High Power Products
CONDUCTION ANGLE SINUSOIDAL CONDUCTION RECTANGULAR CONDUCTION TEST CONDITIONS UNITS
180°
120°
90°
60°
30°
0.042 0.026
0.045 0.043
0.06 0.06
0.10 0.10
0.15 0.15
T
= TJ maximum K/W
J
Note
• The table above shows the increment of thermal resistance R
200
190
180
170
8AF Series R (DC) = 0.6 K/W
thJC
Conductio n Angle
when devices operate at different conduction angles than DC
thJC
200
190
180
170
8AF Series R (DC) = 0.6 K/W
thJC
Conduction Period
160
150
Maximum Allo wable Case Te mperatu re (°C)
140
0 5 10 15 20 25 30 35 40 45 50 55
Average Forward Current (A)
30°
60°
90°
120°
180°
160
150
Maximum Allowable Case Temperature (°C)
140
0 1020304050607080
Average Forward Current (A)
30°
60°
90°
120°
180°
Fig. 1 - Current Ratings Characteristics Fig. 2 - Current Ratings Characteristics
80
180° 120°
70
60
50
40
30
20
10
Maximum Average Forward Power Loss (W)
90° 60° 30°
0
0102030405060
Average Forward Current (A)
RMS Limit
Cond ucti on Angl e
8AF Series T = 195°C
J
2
3
5
1
0
1
5
0 25 50 75 100 125 150
Max i mum Al lowab le Ambi ent Tempe rat ur e (°C )
R
t
h
S
1
K
/
K
/
W
K
/
W
K
K
/
W
A
.
5
K
W
/
W
=
/
1
W
K
/
W
­D
e
l
t
a
R
Fig. 3 - Forward Power Loss Characteristics
DC
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Revision: 17-Jun-08 3
8AF Series
Vishay High Power Products
90
DC
80
180° 120°
70
90°
60
60° 30°
50
40
30
20
10
Maximum Average Forward Power Loss (W)
0
0 1020304050607080
Average Forward Current (A)
700
At Any Rated Load Condition And With
650
Rated V Applied Following Surge.
600
RRM
550
500
450
400
350
300
250
8AF Series
200
Peak Half Sine Wave Forward Cur rent (A)
150
110100
Number Of Equal Ampli tude Half Cycl e Current Pulses (N)
Fig. 5 - Maximum Non-Repetitive Surge Current
Initial T = 195°C
J
@ 60 Hz 0.0083 s @ 50 Hz 0.0100 s
Pressfit Rectifier Diodes, 50 A
R
t
h
S
A
1
2
RMS Limit
Conducti on Period
3
5
1
0
8AF Series T = 195°C
J
1
5
0255075100125150
Maximum Allowable Ambient Temperature (°C)
Fig. 4 - Forward Power Loss Characteristics
=1
.
5
K
/
W
K
/
W
K
/
W
K
/
W
K
/
W
K
K
/
/
W
W
­D
e
1000
100
Instantaneous Forward Current (A)
Fig. 7 - Forward Voltage Drop Characteristics
l
t
a
R
8AF Series
10
T = 25°C
J
T = 195°C
J
1
01234567
Instantaneous Forward Voltage (V)
750
Max i mum Non Repe tit ive Sur ge Cur ren t
700
Versus Pulse Train Duration.
650
600
550
No Voltage Reapplied
Rated V Reapplied
Initial T = 195 °C
J
RRM
1
Steady State Value
(DC Operation)
thJC
500
450
0.1
400
350
300
250
8AF Series
200
Peak Half Sine Wave Forward Current (A)
150
0.01 0.1 1
Pulse Train Duration (s)
Fig. 6 - Maximum Non-Repetitive Surge Current
Transient Thermal Impedance Z (K/W)
0.01
0.00 1 0. 01 0.1 1 10
Square Wave Pulse Duration (s)
Fig. 8 - Thermal Impedance Z
8AF Series
thJC
Characteristics
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Document Number: 93530
4 Revision: 17-Jun-08
8AF Series
Pressfit Rectifier Diodes, 50 A
Vishay High Power Products
ORDERING INFORMATION TABLE
Device code
Dimensions http://www.vishay.com/doc?95330
8AF 4 N LV
1324
- Essential part number
1
- Voltage code x 100 = V
2
N = Normal polarity (cathode to case)
-
3
R = Reverse polarity (anode to case)
PP = Without lead
-
4
LH = Horizontal lead
LV = Vertical lead
LINKS TO RELATED DOCUMENTS
(see Voltage Ratings table)
RRM
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DIMENSIONS in millimeters (inches)
6 (0.24)
2.4 (0.09)
0.5 (0.02)
5 (0.20)
0.9 (0.03)
R 0.4 (0.02)
7 (0.28)
Ø 12.77/13.27
(Ø 0.50/0.52)
15.8 (0.62)
12.5 (0.49)
22.5 (0.89)
16.5 (0.65)
Outline Dimensions
Vishay Semiconductors
B-47
Document Number: 95330 For technical questions, contact: indmodules@vishay.com Revision: 04-Jul-08 1
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