1

Rectifier Device Data

SWITCHMODE™ Power Rectifier

Using the Schottky Barrier principle with a proprietary barrier metal. These

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

• Guardring for Stress Protection

• Maximum Die Size

• 150°C Operating Junction Temperature

• Short Heat Sink Tab Manufactured – Not Sheared

Mechanical Characteristics

• Case: Epoxy, Molded

• Weight: 1.7 Grams (approximately)

• Finish: All External Surfaces Corrosion Resistant and Terminal

Leads Readily Solderable

• Shipped 50 Units per Plastic Tube

Adding a “T4” Suffix to the Part Number

• Marking: B4030

MAXIMUM RATINGS

Rating

Symbol

Value

Unit

Peak Repetitive Reverse Voltage

Working Peak Reverse Voltage

DC Blocking Voltage

VRRM

VRWM

VR

30

V

Average Rectified Forward Current

(At Rated VR) TC = +115°C (1)

IF(AV)

40

A

Peak Repetitive Forward Current

(At Rated VR, Square Wave, 20 kHz) TC = + 112°C

IFRM

80

A

Nonrepetitive Peak Surge Current

(Surge Applied at Rated Load Conditions Halfwave, Single Phase, 60 Hz)

IFSM

300

A

Peak Repetitive Reverse Surge Current (2.0

µs, 1.0 kHz)

IRRM

2.0

A

Storage Temperature

Tstg

– 65 to +150

°C

Operating Junction Temperature

TJ

– 65 to +150

°C

Voltage Rate of Change (Rated VR)

dv/dt

10,000

V

/µs

Reverse Energy (Unclamped Inductive Surge) (Inductance = 3 mH), Tc = 25°C

W

600

mJ

THERMAL CHARACTERISTICS

Thermal Resistance – Junction to Case

R

θJC

1.0

°C/W

Thermal Resistance – Junction to Ambient (2)

R

θJA

50

°C/W

ELECTRICAL CHARACTERISTICS

Maximum Instantaneous Forward Voltage (1 and 3), per Device

(IF = 20 A, TC = + 25°C)

(IF = 20 A, TC = +150°C)

(IF = 40 A, TC = + 25°C)

(IF = 40 A, TC = +150°C)

VF

0.46

0.34

0.55

0.45

V

Maximum Instantaneous Reverse Current (3), per Device

(Rated DC Voltage, TC = + 25°C)

(Rated DC Voltage, TC = +125°C)

IR

0.35

150

mA

(1) Rating applies when pins 1 and 3 are connected.

(2) Rating applies when surface mounted on the miniumum pad size recommended.

(3) Pulse Test: Pulse Width = 300

µs, Duty Cycle ≤ 2.0%

SWITCHMODE is a trademark of Motorola, Inc.

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

Order this document

by MBRB4030/D

MOTOROLA

SEMICONDUCTOR TECHNICAL DATA

3

1

4

MBRB4030

Motorola Preferred Device

SCHOTTKY BARRIER

RECTIFIER

40 AMPERES

30 VOLTS

CASE 418B–02

D2PAK

4

3

1