Document
WND35P08X
Standard power diode
Rev.02 - 20 April 2022
Product data sheet
1. General description
Standard reverse recovery power diode in a TO220F package.
RoHS
halogen-Free
2. Features and benefits
• Low forward voltage drop • Low leakage current • High voltage capability • High inrush current capability
3. Applications
• Input rectifier • Bypass diode
4. Quick reference data
Table 1. Quick reference data Symbol Parameter Absolute maximum rating
Conditions
VRRM
repetitive peak reverse voltage
IF(AV)
average forward current δ = 0.5 ; square-wave pulse; Fig. 1; Fig. 2
IFSM
non-repetitive peak
tp = 10 ms; Tj(init) = 25 °C; sine-wave pulse;
forward current
Fig. 3
tp = 8.3 ms; Tj(init) = 25 °C; sine-wave pulse
Symbol Parameter
Conditions
Static characteristics
VF
forward voltage
IF = 20 A; Tj = 25 °C; Fig. 5
IF = 20 A; Tj = 150 °C; Fig. 5
IF = 35 A; Tj = 25 °C; Fig. 5
IF = 35 A; Tj = 150 °C; Fig. 5
Values
Unit
800
V
35
A
400
A
435 Min Typ
A Max Unit
-
1.05 1.25 V
-
1.00 1.20 V
-
1.18 1.40 V
-
1.15 1.35 V
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5. Pinning information
Table 2. Pinning information
Pin
Symbol Description
1
K
cathode
2
A
anode
mb
n.c.
mounting base; isolated
Simplified outline
mb
WND35P08X
Standard power diode
Graphic symbol
K
A
001aaa020
12
6. Ordering information
Table 3. Ordering information
Type number
Package
name
WND35P08X
TO220F-2L
Orderable part number Packing
method
WND35P08XQ
Tube
Small packing Package
quantity
version
50
SOD113A
Package issue date
10-April-2014
7. Marking
Table 4. Marking codes Type number WND35P08X
Marking codes WND35P08X
WND35P08X
Product data sheet
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20 April 2022
© WeEn Semiconductors Co., Ltd. 2022. All rights reserved
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8. Limiting values
Table 5. Limiting values In accordance with the Absolute Maximum Rating System (IEC 60134).
Symbol Parameter
Conditions
VRRM
repetitive peak reverse voltage
VRWM
crest working reverse voltage
VR
reverse voltage
DC
IF(AV)
average forward current δ = 0.5 ; square-wave pulse; Fig. 1; Fig. 2
IFSM
non-repetitive peak
tp = 10 ms; Tj(init) = 25 °C; sine-wave pulse;
forward current
Fig. 3
tp = 8.3 ms; Tj(init) = 25 °C; sine-wave pulse
I2t
I2t for fusing
sine-wave pulse; Tj(init) = 25 °C; tp = 10 ms
Tstg
storage temperature
Tj
junction temperature
WND35P08X
Standard power diode
Values
Unit
800
V
800
V
800
V
35
A
400
A
435
A
800
A2s
-40 to 150
°C
-40 to 150
°C
Fig. 1.
IF(AV) = IF(RMS) × √δ Vo = 1.025 V; Rs = 0.0092 Ω Forward power dissipation as a function of average forward current; square waveform; maximum values
Fig. 2.
a = form factor = IF(RMS) / IF(AV) Vo = 1.025 V; Rs = 0.0092 Ω Forward power dissipation as a function of average forward current; sinusoidal waveform; maximum values
WND35P08X
Product data sheet
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20 April 2022
© WeEn Semiconductors Co., Ltd. 2022. All rights reserved
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WND35P08X
Standard power diode
IF
IFSM
tp
t
Tj(init)= 25 °Cmax
Fig. 3. Non-repetitive peak forward current as a function of pulse width; sinusoidal waveform; maximum values
WND35P08X
Product data sheet
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20 April 2022
© WeEn Semiconductors Co., Ltd. 2022. All rights reserved
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9. Thermal characteristics
Table 6. Thermal characteristics
Symbol Parameter
Rth(j-h)
thermal resistance from junction to heatsink
Rth(j-a)
thermal resistance from junction to ambient free air
Conditions Fig. 4
in free air
WND35P08X
Standard power diode
Min Typ Max Unit
-
-
3.2
K/W
-
60
-
K/W
P
tp δ= T
tp
t
T
Fig. 4. Transient thermal impedance from junction to heatsink as a function of pulse duration
10. Isolation characteristics
Table 7. Isolation characteristics Symbol Parameter Visol(RMS) RMS isolation voltage
Cisol
isolation capacitance
Conditions
50 Hz ≤ f ≤ 60 Hz; RH ≤ 65 %; from all pins to external heatsink; sinusoidal waveform; clean and dust free
from cathode to external heatsink
Min Typ Max Unit
-
-
2500 V
-
10
-
PF
WND35P08X
Product data sheet
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20 April 2022
© WeEn Semiconductors Co., Ltd. 2022. All rights reserved
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11. Characteristics
Table 8. Characteristics
Symbol Parameter
Static characteristics
VF
forward current
IR
reverse current
Conditions
IF = 20 A; Tj = 25 °C; Fig. 5 IF = 20 A; Tj = 150 °C; Fig. 5 IF = 35 A; Tj = 25 °C; Fig. 5 IF = 35 A; Tj = 150 °C; Fig. 5 VR = 1600 V; Tj = 25 °C VR = 1600 V; Tj = 150 °C
WND35P08X
Standard power diode
Min Typ Max Unit
-
1.05 1.25 V
-
1.00 1.20 V
-
1.18 1.40 V
-
1.15 1.35 V
-
-
50
μA
-
-
1
m.