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70HF(R) Series
High-reliability discrete products
and engineering services since 1977
STANDARD RECOVERY DIODES
70 AMP
FEATURES
Available as “HR” (high reliability) screened per MIL-PRF-19500, JANTX level. Add “HR” suffix to base part number.
Available as non-RoHS (Sn/Pb plating), standard, and as RoHS by adding “-PBF” suffix.
MAXIMUM RATINGS
Parameter
Maximum average forward current
Symbol
IF(AV)
Test Conditions
70HF(R)
10 to 120
140 to 160
70 @ TC =
140°C
70 @ TC =
110°C
Units
Amps
Maximum RMS forward current
Maximum peak, on cycle, non-repetitive forward surge
current
Maximum I2t for fusing
Maximum repetitive peak reverse voltage
Junction temperature range
IF(RMS)
IFSM
I2t
VRRM
TJ
@ 50Hz
@ 60Hz
@ 50Hz
@ 60Hz
110
1200
1250
7100
6450
100-1200
-65 to +180
110
1200
1250
7100
6450
1400 to 1600
-65 to +150
Amps
Amps
A2s
Volts
°C
ELECTRICAL CHARACTERSITICS (TA = 25°C unless otherwise specified)
Part number
Maximum repetitive
peak reverse voltage
VRRM
Volts
Maximum non-repetitive
peak reverse voltage
VRSM
Volts
70HF10(R)
70HF20(R)
70HF40(R)
70HF60(R)
70HF80(R)
70HF100(R)
70HF120(R)
70HF140(R)
70HF160(R)
100
200
400
600
800
1000
1200
1400
1600
200
300
500
720
960
1200
1440
1650
1900
Minimum avalanche
voltage
VR(BR)
Volts
200
300
500
725
950
1150
1350
1550
1750
Maximum reverse
current at TJ = TJ
maximum
IRRM
mA
15
9
4.5
Rev. 20150306

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70HF(R) Series
High-reliability discrete products
and engineering services since 1977
FORWARD CONDUCTION
Parameter
Maximum average forward current at case
temperature
Maximum RMS forward current
Maximum peak, one cycle, non-repetitive forward
surge current
Maximum I2t for fusing
Maximum I2√t for fusing
Low level value of threshold voltage
High level value of threshold voltage
Low level value of forward slope resistance
High level value of forward slope resistance
Maximum forward voltage drop
THERMAL CHARACTERISTICS
Maximum junction and storage temperature range
Maximum thermal resistance, junction to case
Thermal resistance, case to heatsink
Maximum allowable mounting torque (+0%, -10%)
Note 1: Recommended for pass through-holes.
Note 2: Recommended for holed threaded heatsinks.
STANDARD RECOVERY DIODES
70 AMP
Symbol
IF(AV)
IF(RMS)
IFSM
I2t
I2√t
VF(TO)1
VF(TO)2
rf1
rf2
VFM
Test Conditions
180° conduction, half sine wave
t=
10ms
t=
8.3ms
t=
10ms
t=
8.3ms
No
voltage
reapplied
100%
VRRM
reapplied
Sinusoidal
half
wave,
initial
TJ = TJ
maximum
t=
10ms
t=
8.3ms
t=
10ms
t=
8.3ms
No
voltage
reapplied
100%
VRRM
reapplied
Sinusoidal
half
wave,
initial TJ =
TJ
maximum
T = 0.1ms to 10ms, no voltage
reapplied
(16.7% x π x IF(AV) < I < π x IF(AV)),
TJ = TJ maximum
(I > π x IF(AV)), TJ = TJ maximum
(16.7% x π x IF(AV) < I < π x IF(AV)),
TJ = TJ maximum
(I > π x IF(AV)), TJ = TJ maximum
Ipk = 220A, TJ = 25°C, tp = 400µs
rectangular wave
70HF(R)
10 to 120 140 to 160
70 @
70 @
TC = 140°C TC = 110°C
110 110
1200
1250
1000
1050
7100
6450
5000
4550
71000
0.79
1.00
2.33
1.53
1.35 1.46
Units
Amps
Amps
A2s
A2√s
Volts
Volts
mΩ
mΩ
Volts
TJ, Tstg
RthJC
RthCS
DC operation
Mounting surface, smooth, flat and
greased
Not lubricated thread, tighting on nut(1)
Lubricated thread, tighting on nut (1)
Not lubricated thread, tighting on
hexagon (2)
Lubricated thread, tighting on hexagon
(2)
-65 to 180 -65 to 150
0.45
0.25
3.4 (30)
2.3 (20)
4.2 (37)
3.2 (28)
°C
K/W
K/W
N-m
(lbf-in)
Rev. 20150306

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70HF(R) Series
High-reliability discrete products
and engineering services since 1977
STANDARD RECOVERY DIODES
70 AMP
∆RthJC Conduction
Conduction angle
Sinusoidal conduction
Rectangular conduction
Test conditions
180° 0.08 0.06
120° 0.10 0.11
90°
0.13
0.14
TJ = TJ maximum
60° 0.19 0.20
30° 0.30 0.30
*The table above shows the increment of thermal resistance RthJC when devices operate at different conduction angles than DC
MECHANICAL CHARACTERISTICS
Case DO-5 (R)
Marking
Alpha numeric
Polarity
Cathode is stud
Reverse polarity
Anode is stud
Units
K/W
DO-5(R)
Inches
Millimeters
Min Max Min Max
A ¼-28 UNF2A threads
B 0.669 0.688 16.990 17.480
C - 0.794 - 20.160
D - 1.000 - 25.400
E 0.422 0.453 10.720 11.510
F 0115 0.200 2.920 5.080
G - 0.450 - 11.430
H 0.220 0.249 5.580 6.320
J 0.250 0.375 6.350 9.530
K 0.156 - 3.960
-
M - 0.667 - 16.940
N 0.030 0.080 0.760 2.030
P 0.140 0.175 3.560 4.450
Rev. 20150306