1

Rectifier Device Data

SWITCHMODE™ Power Rectifiers

DPAK Surface Mount Package

...in switching power supplies, inverters and as free wheeling diodes, these

state–of–the–art devices have the following features:

• Extremely Fast Switching

• Extremely Low Forward Drop

• Platinum Barrier with Avalanche Guardrings

• Guaranteed Reverse Avalanche

Mechanical Characteristics:

• Case: Epoxy, Molded

• Weight: 0.4 gram (approximately)

• Finish: All External Surfaces Corrosion Resistant and Terminal Leads are

Readily Solderable

• Lead and Mounting Surface Temperature for Soldering Purposes: 260°C

Max. for 10 Seconds

• Shipped 75 units per plastic tube

• Available in 16 mm Tape and Reel, 2500 units per reel, by adding a “T4’’

suffix to the part number

• Marking: B620T, B630T, B640T, B650T, B660T

MAXIMUM RATINGS

Rating

Symbol

MBRD

Unit

Rating

Symbol

620CT

630CT

640CT

650CT

660CT

Unit

Peak Repetitive Reverse Voltage

Working Peak Reverse Voltage

DC Blocking Voltage

VRRM

VRWM

VR

20

30

40

50

60

Volts

Average Rectified Forward Current

Per Diode

TC = 130°C (Rated VR)

Per Device

IF(AV)

3

6

Amps

Peak Repetitive Forward Current, TC = 130°C

(Rated VR, Square Wave, 20 kHz) Per Diode

IFRM

6

Amps

Nonrepetitive Peak Surge Current

(Surge applied at rated load conditions halfwave, single phase, 60 Hz)

IFSM

75

Amps

Peak Repetitive Reverse Surge Current (2

µs, 1 kHz)

IRRM

1

Amp

Operating Junction Temperature

TJ

–65 to +150

°C

Storage Temperature

Tstg

–65 to +175

°C

Voltage Rate of Change (Rated VR)

dv/dt

10000

V/

µs

THERMAL CHARACTERISTICS PER DIODE

Maximum Thermal Resistance, Junction to Case

R

θJC

6

°C/W

Maximum Thermal Resistance, Junction to Ambient (1)

R

θJA

80

°C/W

(1) Rating applies when surface mounted on the minimum pad size recommended.

SWITCHMODE is a trademark of Motorola, Inc.

Preferred devices are Motorola recommended choices for future use and best overall value.

Order this document

by MBRD620CT/D

MOTOROLA

SEMICONDUCTOR TECHNICAL DATA

1

3

4

MBRD620CT

MBRD630CT

MBRD640CT

MBRD650CT

MBRD660CT

SCHOTTKY BARRIER

RECTIFIERS

6 AMPERES

20 TO 60 VOLTS

CASE 369A–13

PLASTIC

MBRD620CT, MBRD640CT and

MBRD660CT are

Motorola Preferred Devices

1

3

4

Rev 1