High-reliability discrete products
and engineering services since 1977
85HF(R) Series
STANDARD RECOVERY DIODES
85 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
Maximum RMS forward current
Maximum peak, on cycle, non-repetitive forward surge
current
Maximum I
2
t for fusing
Maximum repetitive peak reverse voltage
Junction temperature range
Symbol
I
F(AV)
I
F(RMS)
I
FSM
I
2
t
V
RRM
T
J
@ 50Hz
@ 60Hz
@ 50Hz
@ 60Hz
100-1200
-65 to 180
Test Conditions
85HF(R)
10 to 120
85 @
T
C
= 140°C
133
1700
1800
14500
13500
1400-1600
-65 to 150
140 to 160
85 @
T
C
= 110°C
Units
Amps
Amps
Amps
A
2
s
Volts
°C
ELECTRICAL CHARACTERSITICS
(T
A
= 25°C unless otherwise specified)
Maximum repetitive peak
reverse voltage
V
RRM
Volts
85HF10(R)
85HF20(R)
85HF40(R)
85HF60(R)
85HF80(R)
85HF100(R)
85HF120(R)
85HF140(R)
85HF160(R)
100
200
400
600
800
1000
1200
1400
1600
Maximum non-repetitive peak
reverse voltage
V
RSM
Volts
200
300
500
700
900
1100
1300
1500
1700
4.5
9
Maximum repetitive reverse
current at T
J
= T
J
maximum
I
RRM
mA
Part number
Rev. 20150306
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
85HF(R) Series
Symbol
I
F(AV)
I
F(RMS)
t=
10ms
t=
8.3ms
t=
10ms
t=
8.3ms
No
voltage
reapplied
100%
V
RRM
reapplied
No
voltage
reapplied
100%
V
RRM
reapplied
Sinusoidal
half
wave,
initial
T
J
= T
J
maximum
Test Conditions
180° conduction, half sine wave
T
C
= 140°C
STANDARD RECOVERY DIODES
85 AMP
85HF(R)
10 to 120
140 to 160
Units
Amps
Amps
85 @
T
C
= 140°C
85 @
T
C
= 110°C
133
1700
1800
I
FSM
Amps
1450
1500
14500
Maximum I
2
t for fusing
t=
10ms
2
It
t=
8.3ms
t=
10ms
t=
8.3ms
Sinusoidal
half
wave,
initial T
J
=
T
J
maximum
13500
A
2
s
10500
9400
16000
0.68
0.69
1.62
1.75
1.2
1.4
A
2
√s
Volts
Volts
mΩ
mΩ
Volts
Maximum I
2
√t for fusing
Value of threshold voltage (up to 1200V)
Value of threshold voltage (1400V, 1600V)
Value of forward slope resistance (up to 1200V)
Value of forward slope resistance (1400V, 1600V)
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%)
I
2
√t
V
F(TO)
r
f1
V
FM
t = 0.1ms to 10ms, no voltage
reapplied
T
J
= T
J
maximum
T
J
= T
J
maximum
I
pk
= 267A, T
J
= 25°C, t
p
= 400µs
rectangular wave
T
J
, T
stg
R
thJC
R
thCS
DC operation
Mounting surface, smooth, flat and
greased
Not lubricated threads
Lubricated threads
-65 to 180
-65 to 150
°C
K/W
K/W
N-m
(lbf-in)
0.35
0.25
3.4 (20)
2.3 (20)
Rev. 20150306
High-reliability discrete products
and engineering services since 1977
∆R
thJC
Conduction
Conduction angle
180°
120°
90°
60°
30°
MECHANICAL CHARACTERISTICS
Case
Marking
Polarity
Reverse polarity
DO-5 (R)
Alpha numeric
85HFR is an acceptable alternate prefix
Cathode is stud
Anode is stud
Sinusoidal conduction
0.10
0.11
0.13
0.17
0.26
85HF(R) Series
Rectangular conduction
0.08
0.11
0.13
0.17
0.26
T
J
= T
J maximum
Test conditions
STANDARD RECOVERY DIODES
85 AMP
Units
K/W
*The table above shows the increment of thermal resistance R
thJC
when devices operate at different conduction angles than DC
DO-5(R)
Inches
Millimeters
Min
Max
Min
Max
¼-28 UNF2A threads
0.669 0.688 16.990 17.480
-
0.794
-
20.160
-
1.000
-
25.400
0.422 0.453 10.720 11.510
0115 0.200 2.920
5.080
-
0.450
-
11.430
0.220 0.249 5.580
6.320
0.250 0.375 6.350
9.530
0.156
-
3.960
-
-
0.667
-
16.940
0.030 0.080 0.760
2.030
0.140 0.175 3.560
4.450
A
B
C
D
E
F
G
H
J
K
M
N
P
Rev. 20150306
High-reliability discrete products
and engineering services since 1977
85HF(R) Series
STANDARD RECOVERY DIODES
85 AMP
Rev. 20150306
High-reliability discrete products
and engineering services since 1977
85HF(R) Series
STANDARD RECOVERY DIODES
85 AMP
Rev. 20150306
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