Document Number: 93529 For technical questions, contact: ind-modules@vishay.com www.vishay.com
Revision: 25-May-09 1
Standard Recovery Diodes,
(Stud Version), 85 A
85HF(R) Series
Vishay Semiconductors
FEATURES
High surge current capability
Stud cathode and stud anode version
Leaded version available
Types up to 1600 V VRRM
Compliant to RoHS directive 2002/95/EC
Designed and qualified for industrial level
TYPICAL APPLICATIONS
Battery chargers
Converters
Power supplies
Machine tool controls
Welding
ELECTRICAL SPECIFICATIONS
PRODUCT SUMMARY
IF(AV) 85 A
DO-203AB (DO-5)
MAJOR RATINGS AND CHARACTERISTICS
PARAMETER TEST CONDITIONS 85HF(R) UNITS
10 TO 120 140/160
IF(AV)
85 A
TC140 110 °C
IF(RMS) 133 A
IFSM
50 Hz 1700 A
60 Hz 1800
I2t50 Hz 14 500 A2s
60 Hz 13 500
VRRM Range 100 to 1200 1400/1600 V
TJ- 65 to 180 - 65 to 150 °C
VOLTAGE RATINGS
TYPE NUMBER VOLTAGE
CODE
VRRM, MAXIMUM REPETITIVE
PEAK REVERSE VOLTAGE
V
VRSM, MAXIMUM NON-REPETITIVE
PEAK REVERSE VOLTAGE
V
IRRM MAXIMUM
AT TJ = TJ MAXIMUM
mA
85HF(R)
10 100 200
9
20 200 300
40 400 500
60 600 700
80 800 900
100 1000 1100
120 1200 1300
140 1400 1500 4.5
160 1600 1700
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2Revision: 25-May-09
85HF(R) Series
Vishay Semiconductors Standard Recovery Diodes,
(Stud Version), 85 A
Notes
(1) Available only for 88HF
(2) Recommended for pass-through holes
(3) Recommended for holed threaded heatsinks
FORWARD CONDUCTION
PARAMETER SYMBOL TEST CONDITIONS 85HF(R) UNITS
10 to 120 140/160
Maximum average forward current
at case temperature IF(AV) 180° conduction, half sine wave 85 A
140 110 °C
Maximum RMS forward current IF(RMS) 133 A
Maximum peak, one-cycle forward,
non-repetitive surge current IFSM
t = 10 ms No voltage
reapplied
Sinusoidal half wave,
initial TJ = TJ maximum
1700
A
t = 8.3 ms 1800
t = 10 ms 100 % VRRM
reapplied
1450
t = 8.3 ms 1500
Maximum I2t for fusing I2t
t = 10 ms No voltage
reapplied
14 500
A2s
t = 8.3 ms 13 500
t = 10 ms 100 % VRRM
reapplied
10 500
t = 8.3 ms 9400
Maximum I2t for fusing I2t t = 0.1 ms to 10 ms, no voltage reapplied 16 000 A2s
Value of threshold voltage
(up to 1200 V) VF(TO) TJ = TJ maximum
0.68
V
Value of threshold voltage
(for 1400 V, 1600 V) 0.69
Value of forward slope resistance
(up to 1200 V) rfTJ = TJ maximum
1.62
m
Value of forward slope resistance
(for 1400 V, 1600 V) 1.75
Maximum forward voltage drop VFM Ipk = 267 A, TJ = 25 °C, tp = 400 µs rectangular wave 1.2 1.4 V
THERMAL AND MECHANICAL SPECIFICATIONS
PARAMETER SYMBOL TEST CONDITIONS 85HF(R) UNITS
10 to 120 140/160
Maximum junction operating and
storage temperature range TJ, TStg - 65 to 180 - 65 to 150 °C
Maximum thermal resistance,
junction to case RthJC DC operation 0.35
K/W
Maximum thermal resistance,
case to heatsink RthCS Mounting surface, smooth, flat and greased 0.25
Maximum shock (1) 1500
g
Maximum constant vibration (1) 50 Hz 20
Maximum constant acceleration (1) Stud outwards 5000
Maximum allowable mounting
torque (+ 0 %, - 10 %)
Not lubricated thread, tighting on nut (2) 3.4 (30)
N · m
(lbf · in)
Lubricated thread, tighting on nut (2) 2.3 (20)
Not lubricated thread, tighting on hexagon (3) 4.2 (37)
Lubricated thread, tighting on hexagon (3) 3.2 (28)
Approximate weight Unleaded device 17 g
0.6 oz.
Case style See dimensions - link at the end of datasheet DO-203AB (DO-5)
Document Number: 93529 For technical questions, contact: ind-modules@vishay.com www.vishay.com
Revision: 25-May-09 3
85HF(R) Series
Standard Recovery Diodes,
(Stud Version), 85 A Vishay Semiconductors
Note
The table above shows the increment of thermal resistance RthJC when devices operate at different conduction angles than DC
Fig. 1 - Current Ratings Characteristics
Fig. 2 - Current Ratings Characteristics
Fig. 3 - Current Ratings Characteristics
Fig. 4 - Current Ratings Characteristics
RthJC CONDUCTION
CONDUCTION ANGLE SINUSOIDAL CONDUCTION RECTANGULAR CONDUCTION TEST CONDITIONS UNITS
180° 0.10 0.08
TJ = TJ maximum K/W
120° 0.11 0.11
90° 0.13 0.13
60° 0.17 0.17
30° 0.26 0.26
)A( tnerruC drawroF egarevA
Maximum Allowable Case Temperature (°C)
130
140
150
160
170
180
0 1020304050607080 90 100
30° 60° 90°
120°
180°a
Conduction Angle
85HF(R) Series (100V to 1200V)
RthJC (DC) = 0.35 K/W
)A( tnerruC drawroF egarevA
Maximum Allowable Case Temperature (°C)
130
140
150
160
170
180
020406080 100 120 140
DC
30°
60° 90°
120° 18
Conduction Period
85HF(R) Series (100V to 1200V)
RthJC (DC) = 0.35 K/W
Average Forward Current (A)
Maximum Allowable Case Temperature (°C)
100
110
120
130
140
150
0 1020304050607080 90 100
30° 60° 90° 120°
18
Conduction Angle
85HF(R) Series (1400V to 1600V)
RthJC (DC) = 0.35 K/W
Average Forward Current (A)
Maximum Allowable Case Temperature (°C)
100
110
120
130
140
150
020406080 100 120 140
DC
30
°
60
°
90
°
120
°
180
°
Conduction Period
85HF(R) Series (1400V to 1600V)
RthJC (DC) = 0.35 K/W
www.vishay.com For technical questions, contact: ind-modules@vishay.com Document Number: 93529
4Revision: 25-May-09
85HF(R) Series
Vishay Semiconductors Standard Recovery Diodes,
(Stud Version), 85 A
Fig. 5 - Forward Power Loss Characteristics
Fig. 6 - Forward Power Loss Characteristics
Fig. 7 - Forward Power Loss Characteristics
Average Forward Current (A)
Maximum Average Forward Power Loss (W)
Maximum Allowable Ambient Temperature (°C)
0
10
20
30
40
50
60
70
80
90
RMS Limit
Conduction Angle
180
°
120
°
90
°
60
°
30
°
85HF(R) Series
(100V to 1200V)
Tj = 180˚C
020406080 100 120 140 160 180
1 K/W
1.5 K/W
2 K/W
3 K/W
5 K/W
10 K/W
0.7 K/W
RthSA = 0.5 K/W - Delta R
0102030405060708090
Average Forward Current (A)
Maximum Average Forward Power Loss (W)
Maximum Allowable Ambient Temperature (°C)
020406080 100 120 140 160 180
10 K/W
5 K/W
3 K/W
2 K/W
1 K/W
0.7 K/W
1.5 K/W
RthSA = 0.5 K/W - Delta R
0
20
40
60
80
100
120
0 20406080 100 120 140
DC
180
°
120
°
90
°
60
°
30
°
RMS Limit
Conduction Period
85HF(R) Series
(100V to 1200V)
Tj = 180˚C
Average Forward Current (A)
Maximum Average Forward Power Loss (W)
Maximum Allowable Ambient Temperature (°C)
0 25 50 75 100 125 150
1.5 K/W
2 K/W
3 K/W
5 K/W
10 K/W
1 K/W
0.7 K/W
RthSA = 0.5 K/W - Delta R
0
10
20
30
40
50
60
70
80
90
100
0 102030405060708090
RMS Limit
Conduction Angle
180
°
120
°
90
°
60
°
30
°
85HF(R) Series
(1400V, 1600V)
Tj = 150˚C
Document Number: 93529 For technical questions, contact: ind-modules@vishay.com www.vishay.com
Revision: 25-May-09 5
85HF(R) Series
Standard Recovery Diodes,
(Stud Version), 85 A Vishay Semiconductors
Fig. 8 - Forward Power Loss Characteristics
Fig. 9 - Maximum Non-Repetitive Surge Current
Fig. 10 - Maximum Non-Repetitive Surge Current
Fig. 11 - Forward Voltage Drop Characteristics
(up to 1200 V)
Fig. 12 - Forward Voltage Drop Characteristics
(for 1400 V, 1600 V)
Average Forward Current (A)
Maximum Average Forward Power Loss (W)
Maximum Allowable Ambient Temperature (°C)
0 25 50 75 100 125 150
1.5 K/W
2 K/W
3 K/W
5 K/W
10 K/W
0.7 K/W
1 K/W
RthSA = 0.5 K/W - Delta R
0
20
40
60
80
100
120
140
0 20406080 100 120 140
DC
180
°
120
°
90
°
60
°
30
°
RMS Limit
Conduction Period
85HF(R) Series
(1400V, 1600V)
Tj = 150˚C
Number Of Equal Amplitude Half Cycle Current Pulses (N)
Peak Half Sine Wave Forward Current (A)
400
600
800
1
000
1
200
1
400
1
600
11010
0
85HF(R) Series
Initial Tj = Tj Max.
@ 60 Hz 0.0083 s
@ 50 Hz 0.0100 s
At Any Rated Load Condition And With
Rated Vrrm Applied Following Surge.
Pulse Train Duration (s)
Peak Half Sine Wave Forward Current (A)
200
400
600
800
1000
1200
1400
1600
1800
0.01 0.1 1
Maximum Non Repetitive Surge Current
85HF(R) Series
Initial Tj = Tj Max.
No Voltage Reapplied
Rated Vrrm Reapplied
Versus Pulse Train Duration.
Instantaneous Forward Voltage (V)
Instantaneous Forward Current (A)
10
100
1000
0000
012345
Tj = 25
°C
Tj = Tj Max.
85HF(R) Series
up to 1200V
1
10
100
1000
00.511.522.5
Tj = 25
°C
Tj = Tj Max.
88HF (R) Series
Instantaneous Forward Voltage (V)
Instantaneous Forward Current (A)
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6Revision: 25-May-09
85HF(R) Series
Vishay Semiconductors Standard Recovery Diodes,
(Stud Version), 85 A
Fig. 13 - Thermal Impedance ZthJC Characteristics
ORDERING INFORMATION TABLE
Square Wave Pulse Duration (s)
Transient Thermal Impedance Z thJC (K/W)
0.001
0.01
0.1
1
10
0.0001 0.001 0.01 0.1 1 10
85HF(R) Series
Steady State Value
RthJC = 0.35 K/W
(DC Operation)
1- 85 = Standard device
86 = Not isolated lead
87 = Isolated lead with silicone sleeve
(red = Reverse polarity)
(blue = Normal polarity)
88 = Type for rotating application
2- HF = Standard diode
3- None = Stud normal polarity (cathode to stud)
R = Stud reverse polarity (anode to stud)
4- Voltage code x 10 = VRRM (see Voltage Ratings table)
5- None = Stud base DO-203AB (DO-5) 1/4" 28UNF-2A
M = Stud base DO-203AB (DO-5) M6 x 1 (not available for 88HF)
Device code
51324
85 HF R 160 M
LINKS TO RELATED DOCUMENTS
Dimensions www.vishay.com/doc?95342
Document Number: 95342 For technical questions, contact: indmodules@vishay.com www.vishay.com
Revision: 29-Sep-08 1
DO-203AB (DO-5) for 85HF(R) and 86HF(R) Series
Outline Dimensions
Vishay Semiconductors
DIMENSIONS FOR 85HF(R) SERIES in millimeters (inches)
1/4" 28UNF-2A
for metric devices: M6 x 1
Ø 15.1 (0.59)
6.1/7
(0.24/0.27)
10.8 (0.42)
11.4 (0.45)
4 (0.16) MIN.
4 (0.16)
25.4 (1) MAX.
11.1 ± 0.4
(0.44 ± 0.02)
1.20 (0.04) 17.35 (0.68)
www.vishay.com For technical questions, contact: indmodules@vishay.com Document Number: 95342
2Revision: 29-Sep-08
Outline Dimensions
Vishay Semiconductors DO-203AB (DO-5) for 85HF(R)
and 86HF(R) Series
DIMENSIONS FOR 86HF(R) SERIES in millimeters (inches)
12.2 (0.48) MAX.
Ø 7 (0.28) MAX.
134.4 (5.29)
MAX.
123 (4.84)
MAX.
Legal Disclaimer Notice
www.vishay.com Vishay
Revision: 02-Oct-12 1Document Number: 91000
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“Vishay”), disclaim any and all liability for any errors, inaccuracies or incompleteness contained in any datasheet or in any other
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definitions and restrictions defined under Directive 2011/65/EU of The European Parliament and of the Council
of June 8, 2011 on the restriction of the use of certain hazardous substances in electrical and electronic equipment
(EEE) - recast, unless otherwise specified as non-compliant.
Please note that some Vishay documentation may still make reference to RoHS Directive 2002/95/EC. We confirm that
all the products identified as being compliant to Directive 2002/95/EC conform to Directive 2011/65/EU.
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requirements as per JEDEC JS709A standards. Please note that some Vishay documentation may still make reference
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