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V1.1

20/02/23

Ultra Fast Rectifiers

Newark.com/multicomp-pro

Farnell.com/multicomp-pro

sg.element14.com/b/multicomp-pro

Features

•  High surge capacity

•  Low power loss high efficiency

•  Glass passivated chip junctions

•  150°C operating junction temperature

•  Low stored charge majority carrier conduction

•  Low forward voltage, high current capability

•  High-switching speed 50 nanosecond recovery time

•  Plastic material used carries Underwriters Laboratory

•  Flammability classification 94V-0

•  For Part Number MUR1540, marking is “U15A40”

Specifications

Reverse Voltage  : 400 and 600 Volts

Forward Current  : 30 Amperes

Characteristic

Symbol

MUR1540

MUR1560

Units

Peak Repetitive Reverse Voltage

Working Peak Reverse Voltage

DC Blocking Voltage

Vrrm

Vrwm

Vr

400

600

V

RMS Reverse Voltage

Vr(rms)

280

420

Average Rectifier Forward Current

If(av)

15

A

Peak Repetitive Forward Current

(Rate Vr, Square Wave, 20kHz)

Ifm

20

Non-Repetitive Peak Surge Current (Surge applied 

at rate load conditions half-ware, single phase, 60Hz)

Ifsm

225

Operating and Storage Junction Temperature Range

Tj, Tstg

-65 to +150

°C

Maximum Ratings

Electrical Characteristics

Characteristic

Symbol

MUR1540

MUR1560

Units

Maximum Instantaneous Forward Voltage

(If = 15 Amperes Tc = 25°C)

(If = 15 Amperes Tc = 125°C)

Vf

1.3

1.16

1.5

1 .37

V

Maximum Instantaneous Reverse Current

(Rated DC Voltage, Tc = 25°C)

(Rated DC Voltage, Tc = 125°C)

Ir

10

700

mA

Reverse Recovery Time

(If = 0.5A, Ir = 1A, lrr = 0.25A)

Trr

50

ns

Typical Junction Capacitance

(Reverse Voltage of 4 Volts and f = 1MHz)

Cp

150

120

pF