70HF(R) Series

Vishay High Power Products

Standard Recovery Diodes

(Stud Version), 70 A
FEATURES
• High surge current capability
• Designed for a wide range of applications RoHS
• Stud cathode and stud anode version COMPLIANT

• Leaded version available

• Types up to 1600 V VRRM
• RoHS compliant
• Designed and qualified for industrial level

TYPICAL APPLICATIONS
DO-203AB (DO-5)
• Converters
• Power supplies
PRODUCT SUMMARY • Machine tool controls
IF(AV) 70 A • Battery charges

MAJOR RATINGS AND CHARACTERISTICS

70HF(R)
PARAMETER TEST CONDITIONS UNITS
10 TO 120 140/160
70 70 A
IF(AV)
TC 140 110 °C
IF(RMS) 110 A
50 Hz 1200
IFSM A
60 Hz 1250
50 Hz 7100
I2 t A2s
60 Hz 6450
VRRM Range 100 to 1200 1400/1600 V
TJ - 65 to 180 - 65 to 150 °C

ELECTRICAL SPECIFICATIONS

VOLTAGE RATINGS
VRRM, MAXIMUM VRSM, MAXIMUM VR(BR), MINIMUM
IRRM MAXIMUM
TYPE VOLTAGE REPETITIVE PEAK NON-REPETITIVE PEAK AVALANCHE
AT TJ = TJ MAXIMUM
NUMBER CODE REVERSE VOLTAGE REVERSE VOLTAGE VOLTAGE
mA
V V V
10 100 200 200
20 200 300 300 15
40 400 500 500
60 600 720 725
70HF(R) 80 800 960 950
9
100 1000 1200 1150
120 1200 1440 1350
140 1400 1650 1550
4.5
160 1600 1900 1750

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70HF(R) Series
Vishay High Power Products Standard Recovery Diodes
(Stud Version), 70 A

FORWARD CONDUCTION
70HF(R)
PARAMETER SYMBOL TEST CONDITIONS UNITS
10 TO 120 140/160
Maximum average forward current 70 A
IF(AV) 180° conduction, half sine wave
at case temperature 140 110 °C
Maximum RMS forward current IF(RMS) 110 A
t = 10 ms No voltage 1200
Maximum peak, one cycle forward, t = 8.3 ms reapplied 1250
IFSM A
non-repetitive surge current t = 10 ms 100 % VRRM 1000
t = 8.3 ms reapplied Sinusoidal half wave, 1050
initial TJ =
t = 10 ms No voltage TJ maximum 7100
t = 8.3 ms reapplied 6450
Maximum I2t for fusing I2 t A2s
t = 10 ms 100 % VRRM 5000
t = 8.3 ms reapplied 4550
Maximum I2√t for fusing I2√t t = 0.1 to 10 ms, no voltage reapplied 71 000 A2√s
Low level value of threshold voltage VF(TO)1 (16.7 % x π x IF(AV) < I < π x IF(AV)), TJ = TJ maximum 0.79
V
High level value of threshold voltage VF(TO)2 (I > π x IF(AV)), TJ = TJ maximum 1.00
Low level value of forward
rf1 (16.7 % x π x IF(AV) < I < π x IF(AV)), TJ = TJ maximum 2.33
slope resistance
mΩ
High level value of forward
rf2 (I > π x IF(AV)), TJ = TJ maximum 1.53
slope resistance
Maximum forward voltage drop VFM Ipk = 220 A, TJ = 25 °C, tp = 400 µs rectangular wave 1.35 1.46 V

THERMAL AND MECHANICAL SPECIFICATIONS

70HF(R)
PARAMETER SYMBOL TEST CONDITIONS UNITS
10 TO 120 140/160
Maximum junction and
TJ, TStg - 65 to 180 - 65 to 150 °C
storage temperature range
Maximum thermal resistance,
RthJC DC operation 0.45
junction to case
K/W
Thermal resistance,
RthCS Mounting surface, smooth, flat and greased 0.25
case to heatsink
3.4 + 0 - 10 %
Not lubricated threads
(30) N·m
Allowable mounting torque
2.3 + 0 - 10 % (lbf · in)
Lubricated threads
(20)
17 g
Approximate weight
0.6 oz.
Case style See dimensions - link at the end of datasheet DO-203AB (DO-5)

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 70HF(R) Series
Standard Recovery Diodes Vishay High Power Products
(Stud Version), 70 A

ΔRthJC CONDUCTION
CONDUCTION ANGLE SINUSOIDAL CONDUCTION RECTANGULAR CONDUCTION TEST CONDITIONS UNITS
180° 0.08 0.06
120° 0.10 0.11
90° 0.13 0.14 TJ = TJ maximum K/W
60° 0.19 0.20
30° 0.30 0.30
Note
• The table above shows the increment of thermal resistance RthJC when devices operate at different conduction angles than DC

180 150

Maximum Allowable Case Temperature (°C)

Maximum Allowable Case Temperature (°C)

70HF(R) Series (100V to 1200V) 70HF(R) Series (1400V to 1600V)

R thJC (DC) = 0.45 K/W R thJC (DC) = 0.45 K/W
170 140

160 Conduction Angle 130 Conduction Angle

150 120

140 90° 110 90°

60° 120° 60° 120°
30° 180° 30° 180°
130 100
0 10 20 30 40 50 60 70 80 0 10 20 30 40 50 60 70 80

Average Forward Current (A) Average Forward Current (A)

Fig. 1 - Current Ratings Characteristics Fig. 3 - Current Ratings Characteristics

180 150
Maximum Allowable Case Temperature (°C)
Maximum Allowable Case Temperature (°C)

70HF(R) Series (100V to 1200V) 70HF(R) Series (1400V to 1600V)

R thJC (DC) = 0.45 K/W R thJC (DC) = 0.45 K/W
170 140

160 130

Conduction Period Conduction Period

150 120

140 110
90° 90°
130 60° 120° 100 60° 120°
30° 180° DC 30° 180° DC
120 90
0 20 40 60 80 100 120 0 20 40 60 80 100 120
Average Forward Current (A) Average Forward Current (A)

Fig. 2 - Current Ratings Characteristics Fig. 4 - Current Ratings Characteristics

3
70HF(R) Series
Vishay High Power Products Standard Recovery Diodes
(Stud Version), 70 A

Fig. 13 - Forward Voltage Drop Characteristics

ORDERING INFORMATION TABLE

Device code 70 HF R 160 M

1 2 3 4 5

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 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

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 Outline Dimensions
Vishay High Power Products

DO-203AB (DO-5) for 70HF(R) and 71HF(R) Series

DIMENSIONS FOR 70HF(R) SERIES in millimeters (inches)

Ø 14.6 (0.57)

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: M6 x 1

1.20 (0.04) 17.40 (0.68)