Features
High surge current capability
Stud cathode and stud anode version
Leaded version available
Types up to 1600V VRRM
Typical Applications
Battery charges
Converters
Power supplies
Machine tool controls
Welding
Parameters Units
85HF(R)
10 to 120 140 , 160
IF(AV) 85 85 A
@ TC140 110 °C
IF(RMS) 133 A
IFSM @ 50Hz 1700 A
@ 60Hz 1800 A
I2t@
50Hz 14500 A2s
@ 60Hz 13500 A2s
VRRM range 100 to 1200 1400 , 1600 V
TJrange - 65 to 180 - 65 to 150 °C
Major Ratings and Characteristics
case style
DO-203AB (DO-5)
85HF(R) SERIES
STANDARD RECOVERY DIODES
85 A
1
Stud Version
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85HF(R) Series
2
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IF(AV) Max. average forward current 85 85 A 180° conduction, half sine wave
@ Case temperature 140 110 °C
IF(RMS) Max. RMS forward current 133 A
IFSM Max. peak, one-cycle forward, 1700 t = 10ms No voltage
non-repetitive surge current 1800 t = 8.3ms reapplied
1450 t = 10ms 100% VRRM
1500 t = 8.3ms reapplied Sinusoidal half wave,
I2t Maximum I2t for fusing 14500 t = 10ms No voltage Initial TJ = TJ max.
13500 t = 8.3ms reapplied
10500 t = 10ms 100% VRRM
9400 t = 8.3ms reapplied
I2√t Maximum I2√t for fusing 16000 A2√s t = 0.1 to 10ms, no voltage reapplied
VF(TO) Value of threshold
voltage (up to 1200V)
VF(TO) Value of threshold
voltage (for 1400V, 1600V)
rfValue of forward slope
resistance (up to 1200V)
rfValue of forward slope
resistance (up to 1200V)
VFM Max. forward voltage drop 1.2 1.4 V Ipk= 267A, TJ = 25°C, tp = 400µs rectangular wave
85HF(R)
10 to 120 140 , 160
Parameter Units Conditions
1.75 TJ = TJ max.
1.62 TJ = TJ max.
mΩ
0.69 TJ = TJ max.
0.68 TJ = TJ max.
V
A2s
A
Forward Conduction
Voltage VRRM, maximum VRSM, maximum non- IRRM max.
Type number Code repetitive peak repetitive peak @ TJ = TJ max.
reverse voltage reverse voltage
VVmA
10 100 200 9
20 200 300
40 400 500
85HF(R) 60 600 700
80 800 900
100 1000 1100
120 1200 1300
140 1400 1500 4.5
160 1600 1700
ELECTRICAL SPECIFICATIONS
Voltage Ratings
85HF(R) Series
3
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Parameter Units Conditions
85HF(R)
10 to 120 140 to 160
TJMax. junction operating temperature range -65 to 180 -65 to 150
Tstg Max. storage temperature range -65 to 180 -65 to 150
RthJC Max. thermal resistance, junction to case 0.35 DC operation
RthCS Max. thermal resistance, case Mounting surface, smooth, flat and
to heatsink greased
Maximum shock 1500g see note (1)
Maximum constant vibration 20g 50Hz see note (1)
Maximum constant acceleration 5000g Stud outwards see note (1)
T Allowable mounting torque 3.4 +0-10%
Nm Not lubricated threads
30 lbf · in
2.3 +0-10% Nm Lubricated threads
20 lbf · in
wt Approximate weight 17 (0.6) g (oz) unleaded device
Case style DO-203AB (DO5) See Outline Table
°C
0.25 K/W
Thermal and Mechanical Specifications
180° 0.10 0.08 TJ = TJ max.
120° 0.11 0.11
90° 0.13 0.13
60° 0.17 0.17
30° 0.26 0.26
Conduction angle Sinusoidal conduction Rectangular conduction Units Conditions
K/W
∆RthJC Conduction
(The following table shows the increment of thermal resistence RthJC when devices operate at different conduction angles than DC)
Ordering Information Table
1 2 34 5
Device Code
85 HF R 160 M
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- Standard diode
3- None = Stud Normal Polarity (Cathode to Stud)
R = Stud Reverse Polarity (Anode to Stud)
4- Voltage code: 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)
(1) Available only for 88HF
85HF(R) Series
4
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Outlines Table
86HF(R)
Case Style DO-203AB (DO-5)
All dimensions in millimeters (inches)
85HF(R)
Case Style DO-203AB (DO-5)
All dimensions in millimeters (inches)
85HF(R) Series
5
Bulletin I20203 rev. D 01/05
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Outlines Table
88HF(R)
Case Style DO-203AB (DO-5)
All dimensions in millimeters (inches)
Fig. 1 - Current Ratings Characteristics Fig. 2 - Current Ratings Characteristics
Average Forward Current (A) Average Forward Current (A)
Maximum Allowable Case Temperature (°C)
Maximum Allowable Case Temperature (°C)
130
140
150
160
170
180
0 102030405060708090100
30˚60˚90˚120˚180˚
Conduction Angle
85HF(R) Series (100V to 1200V)
RthJC (DC) = 0.35 K/W
130
140
150
160
170
180
0 20 40 60 80 100 120 140
DC
30˚60˚90˚120˚180˚
Conduction Period
85HF(R) Series (100V to 1200V)
RthJC (DC) = 0.35 K/W
85HF(R) Series
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Fig. 5 - Forward Power Loss Characteristics
Fig. 3 - Current Ratings Characteristics Fig. 4 - Current Ratings Characteristics
Fig. 6 - Forward Power Loss Characteristics
Average Forward Current (A) Average Forward Current (A)
Maximum Allowable Case Temperature (°C)
Maximum Allowable Case Temperature (°C)
100
110
120
130
140
150
0 102030405060708090100
30˚60˚90˚120˚180˚
Conduction Angle
85HF(R) Series (1400V to 1600V)
RthJC (DC) = 0.35 K/W
100
110
120
130
140
150
0 20 40 60 80 100 120 140
DC
30˚60˚90˚120˚180˚
Conduction Period
85HF(R) Series (1400V to 1600V)
RthJC (DC) = 0.35 K/W
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
0 102030405060708090
RMS Limit
Conduction Angle
180˚
120˚
90˚
60˚
30˚
85HF(R) Series
(100V to 1200V)
Tj = 180˚C
0 20 40 60 80 100 120 140 160 180
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
Average Forward Current (A)
Maximum Average Forward Power Loss (W)
Maximum Allowable Ambient Temperature (°C)
0 20 40 60 80 100 120 140 160 18
0
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 20 40 60 80 100 120 140
DC
180˚
120˚
90˚
60˚
30˚
RMS Limit
Conduction Period
85HF(R) Series
(100V to 1200V)
Tj = 180˚C
85HF(R) Series
7
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Fig. 9 - Maximum Non-Repetitive Surge Current Fig. 10 - Maximum Non-Repetitive Surge Current
Fig. 7 - Forward Power Loss Characteristics
Fig. 8 - Forward Power Loss Characteristics
Average Forward Current (A)
Maximum Average Forward Power Loss (W)
Maximum Allowable Ambient Temperature (°C)
Average Forward Current (A)
Maximum Average Forward Power Loss (W)
Maximum Allowable Ambient Temperature (°C)
0 25 50 75 100 125 15
0
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
0 25 50 75 100 125 15
0
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 20 40 60 80 100 120 140
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
1000
1200
1400
1600
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.
85HF(R) Series
8
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Fig. 11 - Forward Voltage Drop Characteristics
(up to 1200V)
Fig. 13 - Thermal Impedance ZthJC Characteristics
IR WORLD HEADQUARTERS: 233 Kansas St., El Segundo, California 90245, USA Tel: (310) 252-7105
TAC Fax: (310) 252-7309
Visit us at www.irf.com for sales contact information. 01/05
Data and specifications subject to change without notice.
This product has been designed and qualified for Industrial Level.
Qualification Standards can be found on IR's Web site.
Instantaneous Forward Voltage (V)
Instantaneous Forward Current (A)
1
10
100
1000
0 0.5 1 1.5 2 2.5
Tj = 25˚C
Tj = Tj Max
85HF (R) Series
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)
Fig. 12 - Forward Voltage Drop Characteristics
(for 1400V, 1600V)
Instantaneous Forward Voltage (V)
Instantaneous Forward Current (A)
10
100
1000
10000
0123456
Tj = 25˚CTj = Tj Max.
85HF(R) Series
up to 1200V
