VS-85HF(R) 40M8
www.vishay.com
Vishay Semiconductors
Standard Recovery Diodes,
(Stud Version), 85 A
FEATURES
• High surge current capability
• Stud cathode and stud anode version
• Leaded version available
• Types up to 1600 V VRRM
• Designed and qualified for industrial level
• Material categorization: for definitions of compliance
please see www.vishay.com/doc?99912
DO-5 (DO-203AB)
TYPICAL APPLICATIONS
• Battery chargers
PRIMARY CHARACTERISTICS
IF(AV)
85 A
Package
DO-5 (DO-203AB)
Circuit configuration
Single
• Converters
• Power supplies
• Machine tool controls
• Welding
MAJOR RATINGS AND CHARACTERISTICS
PARAMETER
TEST CONDITIONS
IF(AV)
I2t
400
UNITS
85
A
TC
140
°C
133
A
50 Hz
1700
60 Hz
1800
IF(RMS)
IFSM
85HF(R)
50 Hz
14 500
60 Hz
13 500
VRRM
TJ
A
A2s
400
V
-65 to +180
°C
ELECTRICAL SPECIFICATIONS
VOLTAGE RATINGS
TYPE NUMBER
VS-85HF(R)
VOLTAGE
CODE
VRRM, MAXIMUM REPETITIVE
PEAK REVERSE VOLTAGE
V
VRSM, MAXIMUM NON-REPETITIVE
PEAK REVERSE VOLTAGE
V
IRRM MAXIMUM
AT TJ = TJ MAXIMUM
mA
40
400
500
9
Revision: 11-Jan-18
Document Number: 93529
1
For technical questions within your region: DiodesAmericas@vishay.com, DiodesAsia@vishay.com, DiodesEurope@vishay.com
THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT
ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc?91000
VS-85HF(R) 40M8
www.vishay.com
Vishay Semiconductors
FORWARD CONDUCTION
PARAMETER
SYMBOL
Maximum average forward current
at case temperature
IF(AV)
Maximum RMS forward current
TEST CONDITIONS
180° conduction, half sine wave
IF(RMS)
t = 10 ms
Maximum peak, one-cycle forward,
non-repetitive surge current
IFSM
t = 8.3 ms
t = 10 ms
t = 8.3 ms
t = 10 ms
Maximum
I2t
Maximum
I2t
85HF(R)
I2t
for fusing
t = 8.3 ms
t = 10 ms
t = 8.3 ms
I2t
for fusing
Value of threshold voltage
(up to 1200 V)
No voltage
reapplied
100 % VRRM
reapplied
No voltage
reapplied
UNITS
85
A
140
°C
133
A
1700
1800
A
1450
Sinusoidal half wave,
initial TJ = TJ maximum
1500
14 500
13 500
100 % VRRM
reapplied
A2s
10 500
9400
t = 0.1 ms to 10 ms, no voltage reapplied
A2s
16 000
0.68
VF(TO)
Value of threshold voltage
(for 1400 V, 1600 V)
TJ = TJ maximum
V
0.69
Value of forward slope resistance
(up to 1200 V)
1.62
rf
Value of forward slope resistance
(for 1400 V, 1600 V)
TJ = TJ maximum
mW
1.75
Maximum forward voltage drop
VFM
Ipk = 267 A, TJ = 25 °C, tp = 400 μs rectangular wave
1.2
V
85HF(R)
UNITS
-65 to +180
°C
THERMAL AND MECHANICAL SPECIFICATIONS
PARAMETER
SYMBOL
Maximum junction operating and
storage temperature range
TEST CONDITIONS
TJ, TStg
Maximum thermal resistance, junction to case
RthJC
DC operation
0.35
Maximum thermal resistance, case to heatsink
RthCS
Mounting surface, smooth, flat and greased
0.25
Maximum shock
K/W
1500
Maximum constant vibration
50 Hz
Maximum constant acceleration
Stud outwards
Maximum allowable mounting torque
+0 %, -10 %
20
g
5000
Not lubricated thread, tighting on nut
3.4 (30)
Lubricated thread, tighting on nut
2.3 (20)
Not lubricated thread, tighting on hexagon
4.2 (37)
Lubricated thread, tighting on hexagon
3.2 (28)
Approximate weight
Unleaded device
Case style
See dimensions - link at the end of datasheet
N·m
(lbf · in)
17
g
0.6
oz.
DO-5 (DO-203AB)
RthJC CONDUCTION
CONDUCTION ANGLE
SINUSOIDAL CONDUCTION
RECTANGULAR CONDUCTION
180°
0.10
0.08
120°
0.11
0.11
90°
0.13
0.13
60°
0.17
0.17
30°
0.26
0.26
TEST CONDITIONS
UNITS
TJ = TJ maximum
K/W
Note
• The table above shows the increment of thermal resistance RthJC when devices operate at different conduction angles than DC
Revision: 11-Jan-18
Document Number: 93529
2
For technical questions within your region: DiodesAmericas@vishay.com, DiodesAsia@vishay.com, DiodesEurope@vishay.com
THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT
ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc?91000
VS-85HF(R) 40M8
1 80
Vishay Semiconductors
Maximum Allowable Case Temperature (°C)
Maximum Allowable Case Temperature (°C)
www.vishay.com
85HF(R) Series 100 V to 1200 V
RthJC (DC) = 0.35 K/W
1 70
Conduction Angle
1 60
1 50
30°
60°
1 40
90°
120°
180°a
1 30
0
10
20
30
40
50
60
70
80
90
100
IF(AV) - Average Forward Current (A)
180
85HF(R) Series 100 V to 1200 V
RthJC (DC) = 0.35 K/W
170
Conduction Period
160
150
30°
60°
140
120°
0
60
80
100
120
140
80 100 120 140 160 180
A
K/
60
.5
=0
W
W
2K
R thS
K/
7
5
0.
/W
W
K/
RMS Limit
3K
/W
40
30
Conduction Angle
20
85HF(R)
Tj = 180 ˚C
R
50
-Δ
Maximum Average Forward
Power Loss (W)
40
W
1.
K/
60
20
IF(AV) - Average Forward Current (A)
1
70
DC
Fig. 2 - Current Ratings Characteristics
180°
120°
90°
60°
30°
80
180°
130
Fig. 1 - Current Ratings Characteristics
90
90°
5 K/
W
10 K/W
10
0
0
10
20
30
40
50
60
70
80
90
IF(AV) - Average Forward Current (A)
20
40
Maximum Allowable Ambient Temperature (°C)
Fig. 3 - Forward Power Loss Characteristics
=
W
SA
K/
5
0.
K/
1.5
R th
7
/W
K/
W
W
80
K
100
0.
DC
180°
120°
90°
60°
30°
1
-Δ
2K
/W
60 RMS Limit
R
Maximum Average Forward
Power Loss (W)
120
3K
/W
40
Conduction Period
20
85HF(R)
Tj = 180 ˚C
5 K/W
10 K/W
0
0
20
40
60
80
100
120
IF(AV) - Average Forward Current (A)
140
20
40
60
80
100
120 140 160 180
Maximum Allowable Ambient Temperature (°C)
Fig. 4 - Forward Power Loss Characteristics
Revision: 11-Jan-18
Document Number: 93529
3
For technical questions within your region: DiodesAmericas@vishay.com, DiodesAsia@vishay.com, DiodesEurope@vishay.com
THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT
ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc?91000
VS-85HF(R) 40M8
Instantaneous Forward Current (A)
1600
Vishay Semiconductors
At Any Rated Load Condition And With
Rated Vrrm Applied Following Surge.
Initial Tj = Tj Max.
@ 60 Hz 0.0083 s
@ 50 Hz 0.0100 s
1400
1200
1000
800
600
85HF(R) Series
400
1
10
10 000
Tj = 25°C
Tj = Tj Max.
1000
100
85HF(R) Series
up to 1200 V
10
0
100
Number Of Equal Amplitude
Half Cycle Current Pulses (N)
Fig. 5 - Maximum Non-Repetitive Surge Current
1800
1600
1400
1200
1000
800
600
200
0.01
85HF(R) Series
0.1
2
3
4
5
6
Fig. 7 - Forward Voltage Drop Characteristics
Maximum Non Repetitive Surge Current
Versus Pulse Train Duration.
Initial Tj = Tj Max.
No Voltage Reapplied
Rated Vrrm Reapplied
400
1
Instantaneous Forward Voltage (V)
ZthJC - Transient Thermal Impedance (K/W)
Peak Half Sine Wave Forward Current (A)
Peak Half Sine Wave Forward Current (A)
www.vishay.com
1
Pulse Train Duration (s)
10
Steady State Value
RthJC = 0.35 K/W
1
(DC Operation)
0.1
0.01
85HF(R) Series
0.001
0.0001
0.001
0.01
0.1
1
10
t - Square Wave Pulse Duration (s)
Fig. 8 - Thermal Impedance ZthJC Characteristics
Fig. 6 - Maximum Non-Repetitive Surge Current
ORDERING INFORMATION TABLE
Device code
VS-
85
HF
R
40
M8
1
2
3
4
5
6
1
-
Vishay Semiconductors product
2
-
85 = standard device
3
-
HF = standard diode
4
-
None = stud normal polarity (cathode to stud)
R = stud reverse polarity (anode to stud)
5
-
Voltage code x 10 = VRRM (see Voltage Ratings table)
6
-
M8 = stud base DO-5 (DO-203AB) M8 x 1.25
LINKS TO RELATED DOCUMENTS
Dimensions
www.vishay.com/doc?95342
Revision: 11-Jan-18
Document Number: 93529
4
For technical questions within your region: DiodesAmericas@vishay.com, DiodesAsia@vishay.com, DiodesEurope@vishay.com
THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT
ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc?91000
Outline Dimensions
www.vishay.com
Vishay Semiconductors
DO-5 (DO-203AB) for 85HF(R), 86HF(R) and 88HF(R)Series
DIMENSIONS FOR 85HF(R) SERIES in millimeters (inches)
Ø 15.1 (0.59)
6.1/7
(0.24/0.27)
4 (0.16)
4 (0.16) MIN.
25.4 (1) MAX.
10.8 (0.42)
11.4 (0.45)
11.1 ± 0.4
(0.44 ± 0.02)
1/4" 28UNF-2A
For metric devices: M8 x 1.25
M6 x 1
1.20 (0.04)
17.35 (0.68)
Revision: 20-Nov-2018
Document Number: 95342
1
For technical questions within your region: DiodesAmericas@vishay.com, DiodesAsia@vishay.com, DiodesEurope@vishay.com
THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT
ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc?91000
Outline Dimensions
www.vishay.com
Vishay Semiconductors
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.
Revision: 20-Nov-2018
Document Number: 95342
2
For technical questions within your region: DiodesAmericas@vishay.com, DiodesAsia@vishay.com, DiodesEurope@vishay.com
THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT
ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc?91000
Outline Dimensions
www.vishay.com
Vishay Semiconductors
DIMENSIONS 88HF(R) SERIES in millimeters (inches)
Ø 15 (0.59)
8.3 (0.33) max.
10.8 (0.42)
11.4 (0.45)
5 (0.20) max.
4 (0.16) min.
3.8 (0.15)
11.1 ± 0.4
(0.44 ± 0.02)
25.4 (1) max.
7 (0.27)
17.35 (0.68)
2.15 (0.08)
1/4" 28 UNr - 2A
Revision: 20-Nov-2018
Document Number: 95342
3
For technical questions within your region: DiodesAmericas@vishay.com, DiodesAsia@vishay.com, DiodesEurope@vishay.com
THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT
ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc?91000
Legal Disclaimer Notice
www.vishay.com
Vishay
Disclaimer
ALL PRODUCT, PRODUCT SPECIFICATIONS AND DATA ARE SUBJECT TO CHANGE WITHOUT NOTICE TO IMPROVE
RELIABILITY, FUNCTION OR DESIGN OR OTHERWISE.
Vishay Intertechnology, Inc., its affiliates, agents, and employees, and all persons acting on its or their behalf (collectively,
“Vishay”), disclaim any and all liability for any errors, inaccuracies or incompleteness contained in any datasheet or in any other
disclosure relating to any product.
Vishay makes no warranty, representation or guarantee regarding the suitability of the products for any particular purpose or
the continuing production of any product. To the maximum extent permitted by applicable law, Vishay disclaims (i) any and all
liability arising out of the application or use of any product, (ii) any and all liability, including without limitation special,
consequential or incidental damages, and (iii) any and all implied warranties, including warranties of fitness for particular
purpose, non-infringement and merchantability.
Statements regarding the suitability of products for certain types of applications are based on Vishay's knowledge of typical
requirements that are often placed on Vishay products in generic applications. Such statements are not binding statements
about the suitability of products for a particular application. It is the customer's responsibility to validate that a particular product
with the properties described in the product specification is suitable for use in a particular application. Parameters provided in
datasheets and / or specifications may vary in different applications and performance may vary over time. All operating
parameters, including typical parameters, must be validated for each customer application by the customer's technical experts.
Product specifications do not expand or otherwise modify Vishay's terms and conditions of purchase, including but not limited
to the warranty expressed therein.
Hyperlinks included in this datasheet may direct users to third-party websites. These links are provided as a convenience and
for informational purposes only. Inclusion of these hyperlinks does not constitute an endorsement or an approval by Vishay of
any of the products, services or opinions of the corporation, organization or individual associated with the third-party website.
Vishay disclaims any and all liability and bears no responsibility for the accuracy, legality or content of the third-party website
or for that of subsequent links.
Except as expressly indicated in writing, Vishay products are not designed for use in medical, life-saving, or life-sustaining
applications or for any other application in which the failure of the Vishay product could result in personal injury or death.
Customers using or selling Vishay products not expressly indicated for use in such applications do so at their own risk. Please
contact authorized Vishay personnel to obtain written terms and conditions regarding products designed for such applications.
No license, express or implied, by estoppel or otherwise, to any intellectual property rights is granted by this document or by
any conduct of Vishay. Product names and markings noted herein may be trademarks of their respective owners.
© 2022 VISHAY INTERTECHNOLOGY, INC. ALL RIGHTS RESERVED
Revision: 01-Jan-2022
1
Document Number: 91000