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Page <1> V1.028/06/13
MUR8x Series
Features:
High efciency, low VF.
High current capability
High reliability
High surge current capability
For use in low voltage, high frequency inventor, free wheeling,
and polarity protection application.
Mechanical Data:
Cases : TO-220AC moulded plastic.
Terminals : Pure tin plated, lead free, solderable per MIL-STD-202, Method 208 guaranteed.
Polarity : As marked.
High temperature soldering guaranteed : 260°C/10 seconds/.25 inche, (6.35mm) from case.
Weight : 2.24 grams.
Maximum Ratings and Electrical Characteristics
Rating at 25°C ambient temperature unless otherwise specied.
Single phase, half wave, 60Hz, resistive or inductive load.
For capacitive load, derate current by 20%.
Type Number Symbol MUR820 MUR840 MUR860 Units
Max. Recurrent Peak Reverse Voltage Vrrm 200 400 600
VMax. RMS Voltage Vrms 140 280 420
Max. DC Blocking Voltage V DC 200 400 600
Max. Average Forward Rectied Current
0.375 inch (9.5mm) Lead Length I (av)8
A
Peak Forward Surge Current, 8.3ms Single Half
Sine-wave Superimposed on Rated Load
(JEDEC method)
Ifsm 100
Max. Instantaneous Forward Voltage at 8A Vf0.975 1.3 1.7 V
Max. DC Reverse Current at Tc = 25°C
at Rated DC Blocking Voltage at Tc = 125°C (Note 4) Ir5
250
μA
μA
Max. Reverse Recovery Time (Note 2) Trr 25
50 nS
Maximum Forward Recovery Time T FR
(If = 1.0A, di/dt = 50A/μS) Tfr 35
Typical Thermal Resistance (Note 3) RθJC 3 2 °C/W
Operating Junction Temperature Range Tj-65 to +175 °C
Storage Temperature Range Tstg -65 to +175
Notes: 1. Measured at 1MHz and Applied Reverse Voltage of 4.0 Volts DC.
2. Reverse Recovery Test Conditions: If = 0.5A, Ir = 1.0A, Irr = 0.25A.
3. Thermal Resistance from Junction to Case, Mounted on Heat sink Size of 2 × 3 × 0.25 inches Al-Plate.
4. Pulse lest: tp = 300μS, Duty Cycle < 2%.
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Page <2> V1.028/06/13
MUR8x Series
Ratings and Characteristic Curves (MUR820, MUR840 and MUR860)
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Page <3> V1.028/06/13
MUR8x Series
TO-220AC
Dimensions : Inches (Millimetres)
Important Notice : This data sheet and its contents (the “Information”) belong to the members of the Premier Farnell group of companies (the “Group”) or are licensed to it. No licence is granted
for the use of it other than for information purposes in connection with the products to which it relates. No licence of any intellectual property rights is granted. The Information is subject to change
without notice and replaces all data sheets previously supplied. The Information supplied is believed to be accurate but the Group assumes no responsibility for its accuracy or completeness, any
error in or omission from it or for any use made of it. Users of this data sheet should check for themselves the Information and the suitability of the products for their purpose and not make any
assumptions based on information included or omitted. Liability for loss or damage resulting from any reliance on the Information or use of it (including liability resulting from negligence or where the
Group was aware of the possibility of such loss or damage arising) is excluded. This will not operate to limit or restrict the Group’s liability for death or personal injury resulting from its negligence.
Multicomp is the registered trademark of the Group. © Premier Farnell plc 2012.
Part Number Table
Description Part Number
Diode, Ultra-Fast, 8A, 200V MUR820
Diode, Ultra-Fast, 8A, 400V MUR840
Diode, Ultra-Fast, 8A, 600V MUR860