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Document Number: 93123 For technical questions, contact: diodes-tech@vishay.com

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Revision: 24-Jun-08 1

Ultrafast Rectifier,

8 A FRED Pt

MURB820/MURB820-1

Vishay High Power Products

FEATURES

• Ultrafast recovery time

• Low forward voltage drop

• Low leakage current

• 175 °C operating junction temperature

• Designed and qualified for industrial level

DESCRIPTION/APPLICATIONS

MUR.. series are the state of the art ultrafast recovery

rectifiers specifically designed with optimized performance of

forward voltage drop and ultrafast recovery time.

The planar structure and the platinum doped life time control,

guarantee the best overall performance, ruggedness and

reliability characteristics.

These devices are intended for use in the output rectification

stage of SMPS, UPS, dc-to-dc converters as well as

freewheeling diode in low voltage inverters and chopper

motor drives.

Their extremely optimized stored charge and low recovery

current minimize the switching losses and reduce over

dissipation in the switching element and snubbers.

PRODUCT SUMMARY

25 ns

F(AV)

8 A

200 V

MURB820

Anode

Base

cathode

N/C

PAK

MURB820-1

TO-262

Anode

N/C

ABSOLUTE MAXIMUM RATINGS

PARAMETER SYMBOL TEST CONDITIONS MAX. UNITS

Peak repetitive reverse voltage V

RRM

200 V

Average rectified forward current I

F(AV)

Total device, rated V

, T

= 150 °C 8

ANon-repetitive peak surge current I

FSM

100

Peak repetitive forward current I

Rated V

, square wave, 20 kHz, T

= 150 °C 16

Operating junction and storage temperatures T

, T

Stg

- 65 to 175 °C

ELECTRICAL SPECIFICATIONS (T

= 25 °C unless otherwise specified)

PARAMETER SYMBOL TEST CONDITIONS MIN. TYP. MAX. UNITS

Breakdown voltage,

blocking voltage

= 100 µA 200 - -

Forward voltage V

= 8 A - - 0.975

= 8 A, T

= 150 °C - - 0.895

Reverse leakage current I

= V

rated - - 5

µA

= 150 °C, V

= V

rated - - 250

Junction capacitance C

= 200 V - 25 - pF

Series inductance L

Measured lead to lead 5 mm from package body - 8.0 - nH

Summary of content (7 pages)

PAGE 1
MURB820/MURB820-1 Vishay High Power Products Ultrafast Rectifier, 8 A FRED PtTM FEATURES • Ultrafast recovery time MURB820-1 MURB820 • Low forward voltage drop • Low leakage current • 175 °C operating junction temperature • Designed and qualified for industrial level Base cathode 2 2 N/C D2PAK MUR.. series are the state of the art ultrafast recovery rectifiers specifically designed with optimized performance of forward voltage drop and ultrafast recovery time.
PAGE 2
MURB820/MURB820-1 Vishay High Power Products Ultrafast Rectifier, 8 A FRED PtTM DYNAMIC RECOVERY CHARACTERISTICS (TJ = 25 °C unless otherwise specified) PARAMETER Reverse recovery time SYMBOL trr TEST CONDITIONS MIN. TYP. MAX. IF = 1.0 A, dIF/dt = 50 A/µs, VR = 30 V - - 35 IF = 0.5 A, IR = 1.0 A, IREC = 0.25 A - - 25 TJ = 25 °C - 20 - - 34 - TJ = 125 °C Peak recovery current IRRM TJ = 25 °C TJ = 125 °C IF = 8 A dIF/dt = 200 A/µs VR = 160 V - 1.7 - - 4.
PAGE 3
MURB820/MURB820-1 Vishay High Power Products 100 100 10 TJ = 175 °C TJ = 150 °C TJ = 25 °C 1 TJ = 175 °C IR - Reverse Current (µA) IF - Instantaneous Forward Current (A) Ultrafast Rectifier, 8 A FRED PtTM 10 TJ = 150 °C TJ = 125 °C 1 TJ = 100 °C 0.1 0.01 TJ = 25 °C 0.1 0.001 0 0.2 0.4 0.6 0.8 1.0 1.4 1.2 1.6 0 1.8 50 100 150 200 250 VF - Forward Voltage Drop (V) VR - Reverse Voltage (V) Fig. 1 - Typical Forward Voltage Drop Characteristics Fig.
PAGE 4
MURB820/MURB820-1 Ultrafast Rectifier, 8 A FRED PtTM Vishay High Power Products 50 40 160 DC Square wave (D = 0.50) Rated VR applied 150 IF = 16 A IF = 8 A IF = 4 A 30 20 140 See note (1) 10 100 130 0 3 6 12 9 1000 IF(AV) - Average Forward Current (A) dIF/dt (A/µs) Fig. 5 - Maximum Allowable Case Temperature vs. Average Forward Current Fig. 7 - Typical Reverse Recovery Time vs. dIF/dt 200 10 8 RMS limit 6 D = 0.01 D = 0.02 D = 0.05 D = 0.10 D = 0.20 D = 0.
PAGE 5
MURB820/MURB820-1 Ultrafast Rectifier, 8 A FRED PtTM Vishay High Power Products VR = 200 V 0.01 Ω L = 70 µH D.U.T. dIF/dt adjust D IRFP250 G S Fig. 9 - Reverse Recovery Parameter Test Circuit (3) trr IF ta tb 0 Qrr (2) IRRM (4) 0.5 IRRM dI(rec)M/dt (5) 0.
PAGE 6
MURB820/MURB820-1 Ultrafast Rectifier, 8 A FRED PtTM Vishay High Power Products ORDERING INFORMATION TABLE Device code MUR B 8 20 -1 TRL - 1 2 3 4 5 6 7 1 - Ultrafast MUR series 2 - B = D2PAK/TO-262 3 - Current rating (8 = 8 A) 4 - Voltage rating (20 = 200 V) 5 - 6 None = D2PAK - -1 = TO-262 - None = Tube (50 pieces) TRL = Tape and reel (left oriented, for D2PAK package) TRR = Tape and reel (right oriented, for D2PAK package) 7 - None = Standard production PbF = Lead (P
PAGE 7
Legal Disclaimer Notice Vishay Disclaimer All product specifications and data are subject to change without notice. Vishay Intertechnology, Inc., its affiliates, agents, and employees, and all persons acting on its or their behalf (collectively, “Vishay”), disclaim any and all liability for any errors, inaccuracies or incompleteness contained herein or in any other disclosure relating to any product.