1
Rectifier Device Data
DPAK Surface Mount Package
This SWITCHMODE power rectifier which uses the Schottky Barrier principle
with a proprietary barrier metal, is designed for use as output rectifiers, free
wheeling, protection and steering diodes in switching power supplies, inverters
and other inductive switching circuits. This state of the art device has the following
features:
•Low Forward Voltage
•125°C Operating Junction Temperature
•Epoxy Meets UL94, VO at 1/8″
•Guaranteed Reverse Avalanche
•Compact Size
•Lead Formed for Surface Mount
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 13″ reel, by
adding a “T4” suffix to the part number
•Marking: B835L
MAXIMUM RATINGS
Rating Symbol Value Unit
Peak Repetitive Reverse Voltage
Working Peak Reverse Voltage
DC Blocking Voltage
VRRM
VRWM
VR
35 Volts
Average Rectified Forward Current
(At Rated VR) TC = +88°CIF(AV) 8Amps
Peak Repetitive Forward Current
(At Rated VR, Square Wave, 20 kHz) TC = +80°CIFRM 16 Amps
Non–Repetitive Peak Surge Current
(Surge applied at rated load conditions halfwave, single phase, 60 Hz) IFSM 75 Amps
Repetitive Avalanche Current
(Current Decaying Linearly to Zero in 1 µs, Frequency Limited by TJmax)IAR 2Amps
Storage Temperature Tstg –65 to +150 °C
Operating Junction Temperature TJ–65 to +125 °C
Voltage Rate of Change (Rated VR) dv/dt 10,000 V/µs
THERMAL CHARACTERISTICS
Thermal Resistance — Junction to Case RθJC 6°C/W
Thermal Resistance — Junction to Ambient(1) RθJA 80 °C/W
ELECTRICAL CHARACTERISTICS
Maximum Instantaneous Forward Voltage(2) (iF = 8 Amps, TC = +25°C)
(iF = 8 Amps, TC = +125°C) VF0.51
0.41 Volts
Maximum Instantaneous Reverse Current(2) (Rated dc Voltage, TC = +25°C)
(Rated dc Voltage, TC = +100°C) IR1.4
35 mA
(1) Rating applies when surface mounted on the minimum pad size recommended.
(2) Pulse Test: Pulse Width = 300 µs, Duty Cycle ≤ 2%.
SWITCHMODE is a trademark of Motorola, Inc.
Preferred devices are Motorola recommended choices for future use and best overall value.
Order this document
by MBRD835L/D
SEMICONDUCTOR TECHNICAL DATA
Motorola, Inc. 1996
4
1
3
CASE 369A–13
DPAK PLASTIC, STYLE 3
4
13
SCHOTTKY BARRIER
RECTIFIER
8 AMPERES
35 VOLTS
Motorola Preferred Device
Rev 1