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SEMICONDUCTOR TECHNICAL DATA
Order this document
by MBRD835L/D
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
Average Rectified Forward Current
(At Rated VR) TC = +88°C
Peak Repetitive Forward Current
(At Rated VR, Square Wave, 20 kHz) TC = +80°C
Non–Repetitive Peak Surge Current
(Surge applied at rated load conditions halfwave, single phase, 60 Hz)
Repetitive Avalanche Current
(Current Decaying Linearly to Zero in 1 µs, Frequency Limited by T
Storage Temperature T
Operating Junction Temperature T
Voltage Rate of Change (Rated VR) dv/dt 10,000 V/µs
Jmax
)
THERMAL CHARACTERISTICS
Thermal Resistance — Junction to Case R
Thermal Resistance — Junction to Ambient
(1)
ELECTRICAL CHARACTERISTICS
Maximum Instantaneous Forward Voltage
Maximum Instantaneous Reverse Current
(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.
(2)
(iF = 8 Amps, TC = +25°C)
(iF = 8 Amps, TC = +125°C)
(2)
(Rated dc Voltage, TC = +25°C)
(Rated dc Voltage, TC = +100°C)
1
3
V
RRM
V
RWM
V
I
F(AV)
I
FRM
I
FSM
I
AR
θJC
R
θJA
V
I
4
R
stg
J
F
R
Motorola Preferred Device
SCHOTTKY BARRIER
RECTIFIER
8 AMPERES
35 VOLTS
4
1
3
CASE 369A–13
DPAK PLASTIC, STYLE 3
35 Volts
8 Amps
16 Amps
75 Amps
2 Amps
–65 to +150 °C
–65 to +125 °C
6 °C/W
80 °C/W
0.51
0.41
1.4
35
Volts
mA
Rev 1
Rectifier Device Data
Motorola, Inc. 1996
1
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MBRD835L
A
)
TYPICAL CHARACTERISTICS
10
TJ = 125
°
1
0.1
, INSTANTANEOUS FORWARD CURRENT (m
F
i
0.01
0 0.6
0.1 0.2 0.3 0.4 0.5
vF, INSTANTANEOUS VOLTAGE (VOLTS)
C
25°C
10
TJ = 125°C
1
75°C
0.1
25°C
0.01
, INSTANTANEOUS FORWARD CURRENT (AMPS
0 0.6
F
i
0.1 0.2 0.3 0.4 0.5
vF, INSTANTANEOUS VOLTAGE (VOLTS)
Figure 1. Maximum Forward V oltage Figure 2. T ypical Forward Voltage
1000
100
0.1
, REVERSE CURRENT (mA)
R
I
0.01
10
°
C
T
= 125
J
100°C
1
25°C
100
, REVERSE CURRENT (mA)
0.1
R
I
10
°
C
T
= 125
J
100°C
1
75°C
25°C
0.001
5101520
035
V
, REVERSE VOLTAGE (VOLTS)
F
25 30 25 30 35
0.01
0
5101520
VR, REVERSE VOLTAGE (VOLTS)
Figure 3. Maximum Reverse Current Figure 4. Typical Reverse Current
1000
C, CAPACITANCE (pF)
100
TJ = 25°C
1
VR, REVERSE VOLTAGE (VOLTS)
10
TYPICAL
MAXIMUM
Figure 5. Maximum and T ypical Capacitance
2
Rectifier Device Data
Page 3
TYPICAL CHARACTERISTICS
MBRD835L
16
14.4
12.8
11.2
9.6
8
6.4
4.8
3.2
, AVERAGE FORW ARD CURRENT (AMPS)
1.6
F(AV)
I
0
80 130
dc
SQUARE WAVE
85 90 95 100 105 110 115 120 125
TJ = 125°C
π
(RESISTIVE LOAD)
I
PK
I
AV
10
20
TC, CASE TEMPERATURE (
R
θ
+
5
°
C)
JA
(CAPACITIVE
Figure 6. Current Derating, Infinite Heatsink Figure 7. Current Derating
5
4.5
4
π
3.5
(RESISTIVE LOAD)
3
2.5
2
1.5
1
, AVERAGE FORW ARD CURRENT (AMPS)
0.5
F(AV)
I
0
0
10
TJ = 125°C
dc
SQUARE WAVE
10
20
TA, AMBIENT TEMPERATURE (
R
= 80°C/W
θ
JA
SURFACE MOUNTED ON
MININUM RECOMMENDED
PAD SIZE
PK
AV
+
(CAPACITIVE
5
°
C)
I
I
= 6°C/W
LOAD)
LOAD)
8
7
6
π
(RESISTIVE LOAD)
5
4
3
2
, AVERAGE FORW ARD CURRENT (AMPS)
1
F(AV)
I
0
0 130
8
TJ = 125°C
7
I
PK
6
5
4
3
2
1
, AVERAGE FORWARD POWER DISSIPATION (WATTS)
1305020 30 40 8060 70 10090 110 120
0
F(AV)
P
+
I
AV
20
0
1.5 3 4.5 6
I
F(AV)
TJ = 125
°
C
dc
SQUARE WAVE
10
20
5010 20 30 40 8060 70 10090 110 120
TA, AMBIENT TEMPERATURE (
π
(RESISTIVE LOAD)
(CAPACITIVE
5
LOAD)
10
7.5 9 10.5 12 13.5 15
, AVERAGE FORW ARD CURRENT (AMPS)
R
= 40°C/W
θ
JA
SURFACE MOUNTED ON
MININUM RECOMMENDED
PAD SIZE
I
PK
+
5
I
AV
°
C)
SQUARE WAVE
(CAPACITIVE
LOAD)
dc
Figure 8. Current Derating, Free Air Figure 9. Forward Power Dissipation
Rectifier Device Data
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MBRD835L
P ACKAGE DIMENSIONS
0.165
4.191
0.100
0.118
3.0
2.54
0.063
1.6
0.190
SEATING
–T–
PLANE
B
V
S
R
4
A
123
K
F
L
D
2 PL
G
0.13 (0.005) T
C
E
U
J
H
M
CASE 369A–13
4.826
STYLE 3:
PIN 1. ANODE
2. CATHODE
3. ANODE
4. CATHODE
DPAK FOOTPRINT
Z
NOTES:
1. DIMENSIONING AND TOLERANCING PER ANSI
Y14.5M, 1982.
2. CONTROLLING DIMENSION: INCH.
DIM MIN MAX MIN MAX
A 0.235 0.250 5.97 6.35
B 0.250 0.265 6.35 6.73
C 0.086 0.094 2.19 2.38
D 0.027 0.035 0.69 0.88
E 0.033 0.040 0.84 1.01
F 0.037 0.047 0.94 1.19
G 0.180 BSC 4.58 BSC
H 0.034 0.040 0.87 1.01
J 0.018 0.023 0.46 0.58
K 0.102 0.114 2.60 2.89
L 0.090 BSC 2.29 BSC
R 0.175 0.215 4.45 5.46
S 0.020 0.050 0.51 1.27
U 0.020 ––– 0.51 –––
V 0.030 0.050 0.77 1.27
Z 0.138 ––– 3.51 –––
0.243
6.172
inches
mm
MILLIMETERSINCHES
ISSUE Y
DP AK
Motorola reserves the right to make changes without further notice to any products herein. Motorola makes no warranty , representation or guarantee regarding
the suitability of its products for any particular purpose, nor does Motorola assume any liability arising out of the application or use of any product or circuit, and
specifically disclaims any and all liability, including without limitation consequential or incidental damages. “T ypical” parameters which may be provided in Motorola
data sheets and/or specifications can and do vary in different applications and actual performance may vary over time. All operating parameters, including “Typicals”
must be validated for each customer application by customer’s technical experts. Motorola does not convey any license under its patent rights nor the rights of
others. Motorola products are not designed, intended, or authorized for use as components in systems intended for surgical implant into the body, or other
applications intended to support or sustain life, or for any other application in which the failure of the Motorola product could create a situation where personal injury
or death may occur. Should Buyer purchase or use Motorola products for any such unintended or unauthorized application, Buyer shall indemnify and hold Motorola
and its officers, employees, subsidiaries, affiliates, and distributors harmless against all claims, costs, damages, and expenses, and reasonable attorney fees
arising out of, directly or indirectly, any claim of personal injury or death associated with such unintended or unauthorized use, even if such claim alleges that
Motorola was negligent regarding the design or manufacture of the part. Motorola and are registered trademarks of Motorola, Inc. Motorola, Inc. is an Equal
Opportunity/Affirmative Action Employer.
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Rectifier Device Data
MBRD835L/D
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