Features
High surge current capability
Designed for a wide range of applications
Stud cathode and stud anode version
Leaded version available
Types up to 1600V VRRM
Typical Applications
Battery charges
Converters
Power supplies
Machine tool controls
Parameters Units
70HF(R)
10 to 120 140 to 160
IF(AV) 70 70 A
@ TC140 110 °C
IF(RMS) 110 A
IFSM @ 50Hz 1200 A
@ 60Hz 1250 A
I2t@
50Hz 7100 A2s
@ 60Hz 6450 A2s
VRRM range 100 to 1200 1400 to 1600 V
TJrange - 65 to 180 - 65 to 150 °C
Major Ratings and Characteristics
case style
DO-203AB (DO-5)
70HF(R) SERIES
STANDARD RECOVERY DIODES
70 A
1
Stud Version
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70HF(R) Series
2
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Voltage VRRM, maximum VRSM, maximum non- VR(BR), minimum IRRM max.
Type number Code repetitive peak repetitive peak avalanche @ TJ = TJ max.
reverse voltage reverse voltage voltage
VVVmA
10 100 200 200 15
20 200 300 300
40 400 500 500
60 600 720 725 9
70HF(R) 80 800 960 950
100 1000 1200 1150
120 1200 1440 1350
140 1400 1650 1550 4.5
160 1600 1900 1750
ELECTRICAL SPECIFICATIONS
Voltage Ratings
IF(AV) Max. average forward current 70 70 A 180° conduction, half sine wave
@ Case temperature 140 110 °C
IF(RMS) Max. RMS forward current 110 A
IFSM Max. peak, one-cycle forward, 1200 t = 10ms No voltage
non-repetitive surge current 1250 t = 8.3ms reapplied
1000 t = 10ms 100% VRRM
1050 t = 8.3ms reapplied Sinusoidal half wave,
I2t Maximum I2t for fusing 7100 t = 10ms No voltage Initial TJ = TJ max.
6450 t = 8.3ms reapplied
5000 t = 10ms 100% VRRM
4550 t = 8.3ms reapplied
I2√t Maximum I2√t for fusing 71000 A2√s t = 0.1 to 10ms, no voltage reapplied
VF(TO)1 Low level value of threshold
voltage
VF(TO)2 High level value of threshold
voltage
rf1Low level value of forward
slope resistance
rf2High level value of forward
slope resistance
VFM Max. forward voltage drop 1.35 1.46 V Ipk= 220A, TJ = 25°C, tp = 400µs rectangular wave
70HF(R)
10 to 120 140 to 160
Parameter Units Conditions
1.53 (I > π x IF(AV)), TJ = TJ max.
2.33 (16.7% x π x IF(AV) < I < π x IF(AV)), TJ = TJ max.
mΩ
1.00 (I > π x IF(AV)), TJ = TJ max.
0.79 (16.7% x π x IF(AV) < I < π x IF(AV)), TJ = TJ max.
V
A2s
A
Forward Conduction
70HF(R) Series
3
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Parameter Units Conditions
70HF(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 0.45 DC operation
RthCS Max. thermal resistance, case Mounting surface, smooth, flat and
to heatsink greased
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)
Case style DO-203AB (DO5) See Outline Table
°C
0.25
K/W
Thermal and Mechanical Specifications
180° 0.08 0.06 TJ = TJ max.
120° 0.10 0.11
90° 0.13 0.14
60° 0.19 0.20
30° 0.30 0.30
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
70 HF R 160 M
1- 70 = Standard device
71 = Not isolated lead
72 = Isolated lead with silicone sleeve
(Red = Reverse polarity)
(Blue = Normal polarity)
2- HF = 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
70HF(R) Series
4
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Outlines Table
71HF(R)
Case Style DO-203AB (DO-5)
All dimensions in millimeters (inches)
70HF(R)
Case Style DO-203AB (DO-5)
All dimensions in millimeters (inches)
70HF(R) Series
5
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Fig. 5 - Forward Power Loss Characteristics
Fig. 3 - Current Ratings Characteristics Fig. 4 - Current Ratings Characteristics
Fig. 1 - Current Ratings Characteristics Fig. 2 - Current Ratings Characteristics
130
140
150
160
170
180
0 1020304050607080
30°
60° 90° 120°
180°
Maximum Allowable Case Temperature (°C)
Conduction Angle
Average Forward Current (A)
70HF(R) Series (100V to 1200V)
R (DC) = 0.45 K/W
thJC
100
110
120
130
140
150
0 1020304050607080
30°
60°
90°
120°
180°
Maxi mum All owable Case Temperature (°C)
Conduction Angle
Average Forward Current (A)
70HF(R) Series (1400V to 1600V)
R (DC) = 0.45 K/W
thJC
0 20 40 60 80 100 120 140 160 180
Maximum Allowable Ambient Temperature (°C)
1.5 K/W
2 K/W
3 K
/W
5 K
/W
R = 0.3 K
/W
- Delta R
thSA
0.5 K
/W
0.7 K/W
1 K/W
4 K/W
0
10
20
30
40
50
60
70
80
90
0 1020304050607080
Average Forward Current (A)
RMS Limit
Maximum Average Forward Power Loss (W)
Conduction Angle
180°
120°
90°
60°
30°
70HF(R) Series
(100V to 1200V)
T = 180°C
J
120
130
140
150
160
170
180
0 20406080100120
DC
30°
60°
90°
120°
180°
Maximum Allowable Case Temperature (°C)
Conduction Period
Average Forward Current (A)
70HF(R) Series (100V to 1200V)
R (DC) = 0.45 K/W
thJC
90
100
110
120
130
140
150
0 20406080100120
DC
30°
60°
90°
120°
180°
Maximum Allowable Case Temperature (°C)
Conduction Period
Average Forward Current (A)
70HF(R) Series (1400V to 1600V)
R (DC) = 0.45 K/W
thJC
70HF(R) Series
6
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Fig. 7 - Forward Power Loss Characteristics
Fig. 8 - Forward Power Loss Characteristics
Fig. 6 - Forward Power Loss Characteristics
0 20 40 60 80 100 120 140 160 180
Maximum Allowable Ambient Temperature (°C)
5 K/W
3 K/W
2
K/W
1.5 K/W
1 K/W
0.7 K/W
0.5 K/W
R = 0.3 K
/W
- Delta R
thSA
0
20
40
60
80
100
120
0 20406080100120
DC
180°
120°
90°
60°
30°
Average Forward Current (A)
RMS Limit
Maximum Average Forward Power Loss (W)
Conduction Period
70HF(R) Series
(100V to 1200V)
T = 180°C
J
0 25 50 75 100 125 150
Maximum Allowable Ambient Temperature (°C)
1.5 K/W
2 K
/W
3 K/W
5 K/W
R = 0.3 K/W
- Delta R
thS
A
0.5 K/W
4 K/W
0
.7
K
/W
1 K/W
0
10
20
30
40
50
60
70
80
90
0 1020304050607080
Average Forward Current (A)
RMS Limit
Maximum Average Forward Power Loss (W)
Conduction Angle
180°
120°
90°
60°
30°
70HF(R) Series
(1400V to 1600V)
T = 150°C
J
0 25 50 75 100 125 150
Maximum Allowable Ambient Temperature (°C)
R = 0.3 K
/W
- Delta R
thSA
0.7 K/W
0.5 K/W
1 K/W
1.5 K
/W
2 K/W
3 K
/W
5 K/W
0
20
40
60
80
100
120
0 20406080100120
DC
180°
120°
90°
60°
30°
Average Forward Current (A)
RMS Limit
Maximum Average Forward Power Loss (W)
Conduction Period
70HF(R) Series
(1400V to 1600V)
T = 150°C
J
70HF(R) Series
7
Bulletin I20202 rev. F 01/05
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Fig. 11 - Forward Voltage Drop Characteristics
Fig. 9 - Maximum Non-Repetitive Surge Current Fig. 10 - Maximum Non-Repetitive Surge Current
300
400
500
600
700
800
900
1000
1100
110100
Peak Half Sine Wave Forward Current (A)
Number Of Equal Amplitude Half Cycle Current Pulses (N)
70HF(R) Series
Initial T = T Max.
@ 60 Hz 0.0083 s
@ 50 Hz 0.0100 s
At Any Rated Load Condition And With
Rated V Applied Following Surge.
RRM
JJ
200
300
400
500
600
700
800
900
1000
1100
1200
0.01 0.1 1
Peak Half Sine Wave Forward Current (A)
Pulse Train Duration (s)
Maximum Non Repetitive Surge Current
70HF(R) Series
Initial T = T Max.
No Voltage Reapplied
Rated V Reapplied
RRM
Versus Pulse Train Duration.
JJ
1
10
100
1000
00.511.522.53
T = 25°C
J
Instantaneous Forward Current (A)
Instantaneous Forward Voltage (V)
T = T Max.
JJ
70HF(R) Series
0.001
0.01
0.1
1
10
0.0001 0.001 0.01 0.1 1 10
Square Wave Pulse Duration (s)
thJC
Transient Thermal Impedance Z (K/W)
Steady State Value
R = 0.45 K/W
(DC Operation)
thJC
70HF(R) Series
Fig. 12 - Thermal Impedance ZthJC Characteristics
Fig. 13 - Forward Voltage Drop Characteristics
Instantaneous Forward Voltage (V)
Instantaneous Forward Current (A)
70HF(R) Series
8
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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.
