MURB820PBF Vishay, MURB820PBF Datasheet - Page 5

• Manufacturer Part Number: MURB820PBF
• Description: DIODE ULTRA FAST 200V 8A D2PAK
• Manufacturer: Vishay
• Series: FRED Pt™r

Specifications of MURB820PBF

• Diode Type: Standard
• Voltage - Forward (vf) (max) @ If: 975mV @ 8A
• Voltage - Dc Reverse (vr) (max): 200V
• Current - Average Rectified (io): 8A
• Current - Reverse Leakage @ Vr: 5µA @ 200V
• Speed: Fast Recovery =< 500ns, > 200mA (Io)
• Reverse Recovery Time (trr): 35ns
• Mounting Type: Surface Mount
• Package / Case: D²Pak, TO-263 (2 leads + tab)
• Product: Ultra Fast Recovery Rectifier
• Configuration: Single
• Reverse Voltage: 200 V
• Forward Voltage Drop: 0.975 V
• Recovery Time: 35 ns
• Forward Continuous Current: 8 A
• Max Surge Current: 100 A
• Reverse Current Ir: 5 uA
• Mounting Style: SMD/SMT
• Maximum Operating Temperature: + 175 C
• Minimum Operating Temperature: - 65 C
• Repetitive Reverse Voltage Vrrm Max: 200V
• Forward Current If(av): 8A
• Forward Voltage Vf Max: 975mV
• Reverse Recovery Time Trr Max: 25ns
• Forward Surge Current Ifsm Max: 100A
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Capacitance @ Vr, F: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant
• Other names: *MURB820PBF; VS-MURB820PBF; VS-MURB820PBF; VSMURB820PBF; VSMURB820PBF

Document Number: 94081
0
1. di
2. I
3. t
crossing
crossing point of negative going I
a line passing through 0.75 I
extrapolated to zero current
RRM
rr
F
I
- Reverse recovery time measured from zero
F
/dt - Rate of change of current through zero
- Peak reverse recovery current
Fig. 10 - Reverse Recovery Waveform and Definitions
Fig. 9- Reverse Recovery Parameter Test Circuit
ADJUST
dif/dt
di
1
F
RRM
/dt
Reverse Recovery Circuit
di /dt
di
f
F
F
and 0.50 I
/dt
to point where
L = 70µH
G
t
a
V
RRM
R
2
3
= 200V
I
0.01 Ω
D
S
RRM
t
IRFP250
rr
0.75 I
4. Q
5. di (rec) M / dt - Peak rate of change of
D.U.T.
and I
current during t b portion of t rr
t
rr
b
- Area under curve defined by t
MURB820PbF, MURB820-1PbF
RRM
RRM
di(rec)M/dt
0.5
Q rr =
Q
I
rr
RRM
t rr x I RRM
4
2
5
Bulletin PD-21085 08/05
rr
www.vishay.com
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