Semiconductor Components Industries, LLC, 2000
October, 2000 – Rev. 2 1Publication Order Number:
MBRD835L/D
MBRD835L
Preferred Device
SWITCHMODE
Power Rectifier
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″
•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 V
Average Rectified Forward Current
(At Rated VR, TC = 88°C) IF(AV) 8.0 A
Peak Repetitive Forward Current
(At Rated VR, Square Wave,
20 kHz, TC = 80°C)
IFRM 16 A
Non–Repetitive Peak Surge Current
(Surge Applied at Rated Load
Conditions Halfwave, Single
Phase, 60 Hz)
IFSM 75 A
Repetitive Avalanche Current
(Current Decaying Linearly to Zero in
1 s, Frequency Limited by TJmax)
IAR 2.0 A
Storage Temperature Range Tstg –65 to +150 °C
Operating Junction Temperature TJ–65 to +125 °C
Voltage Rate of Change (Rated VR) dv/dt 10,000 V/s
Device Package Shipping
ORDERING INFORMATION
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DPAK
CASE 369A
STYLE 3
SCHOTTKY BARRIER
RECTIFIER
8.0 AMPERES
35 VOLTS
Preferred devices are recommended choices for future use
and best overall value.
MBRD835L DPAK 75 Units/Rail
13
4
MBRD835LT4 DPAK 2500/Tape & Reel
4
1
3
MARKING DIAGRAM
B835L
B835L = Device Code
MBRD835L
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2
THERMAL CHARACTERISTICS
Rating Symbol Value Unit
Thermal Resistance — Junction to Case RθJC 6°C/W
Thermal Resistance — Junction to Ambient (Note 1.) RθJA 80 °C/W
ELECTRICAL CHARACTERISTICS
Maximum Instantaneous Forward Voltage (Note 2.) (iF = 8 Amps, TC = +25°C)
(iF = 8 Amps, TC = +125°C) VF0.51
0.41 Volts
Maximum Instantaneous Reverse Current (Note 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%.
TYPICAL CHARACTERISTICS
10
1
0.1
0 0.6
vF, INSTANTANEOUS VOLTAGE (VOLTS)
Figure 1. Maximum Forward Voltage Figure 2. Typical Forward Voltage
iF, INSTANTANEOUS FORWARD CURRENT (mA)
0.01 0.1 0.2 0.3 0.4 0.5
TJ = 125°C25°C
10
1
0.1
0 0.6
VF, INSTANTANEOUS VOLTAGE (VOLTS)
0.01 0.1 0.2 0.3 0.4 0.5
75°C
IF, INSTANTANEOUS FORWARD CURRENT (AMPS
)
25°C
10
1
0.1
035
VF, REVERSE VOLTAGE (VOLTS)
Figure 3. Maximum Reverse Current Figure 4. Typical Reverse Current
0.001 5101520
TJ = 125°C
25°C
10
1
0.1
0
VR, REVERSE VOLTAGE (VOLTS)
0.01 5101520
TJ = 125°C
75°C
25°C
IR, REVERSE CURRENT (mA)
IR, REVERSE CURRENT (mA)
0.01
100
1000
100
100°C
100°C
25 30 25 30 35
TJ = 125°C
MBRD835L
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3
TYPICAL CHARACTERISTICS
16
80 130
TC, CASE TEMPERATURE (°C)
0
8
7
6
0 130
TA, AMBIENT TEMPERATURE (°C)
0
TJ = 125°C
4
3.5
0
TA, AMBIENT TEMPERATURE (°C)
00
IF(AV), AVERAGE FORWARD CURRENT (AMPS)
1.5 3 4.5 6
4.5
5
IF(AV), AVERAGE FORWARD CURRENT (AMPS)
14.4
12.8
11.2
9.6
8
6.4
4.8
3.2
1.6
85 90 95 100 105 110 115 120 125
dc
SQUARE WAVE IPK
IAV
5(CAPACITIVE
LOAD)
10
20
IF(AV), AVERAGE FORWARD CURRENT (AMPS)
5
4
3
2
1
5010 20 30 40 8060 70 10090 110 120
dc
π (RESISTIVE LOAD)
SQUARE WAVE
10
20
IF(AV), AVERAGE FORWARD CURRENT (AMPS)
3
2.5
2
1.5
1
0.5
1305020 30 40 8060 70 10090 110 120
TJ = 125°C
dc
π
(RESISTIVE LOAD)
SQUARE WAVE
10
20
PF(AV), AVERAGE FORWARD POWER DISSIPATION (WATTS)
8
7
6
0
5
4
3
2
1
7.5 9 10.5 12 13.5 15
TJ = 125°C
dc
π (RESISTIVE LOAD)
SQUARE WAVE
10
20
π (RESISTIVE LOAD)
TJ = 125°C
IPK
IAV
5(CAPACITIVE
LOAD)
RθJA = 40°C/W
SURFACE MOUNTED ON
MININUM RECOMMENDED
PAD SIZE
IPK
IAV
5(CAPACITIVE
LOAD)
RθJA = 80°C/W
SURFACE MOUNTED ON
MININUM RECOMMENDED
PAD SIZE
IPK
IAV
5(CAPACITIVE
LOAD)
RθJA = 6°C/W
10
Figure 5. Maximum and Typical Capacitance
1
VR, REVERSE VOLTAGE (VOLTS)
100 10
1000
C, CAPACITANCE (pF)
TYPICAL
MAXIMUM
TJ = 25°C
Figure 6. Current Derating, Infinite Heatsink Figure 7. Current Derating
Figure 8. Current Derating, Free Air Figure 9. Forward Power Dissipation
MBRD835L
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4
PACKAGE DIMENSIONS
DPAK
PLASTIC
CASE 369A–13
ISSUE AA
D
A
K
B
R
V
S
FL
G
2 PL
M
0.13 (0.005) T
E
C
U
J
H
–T– SEATING
PLANE
Z
DIM MIN MAX MIN MAX
MILLIMETERSINCHES
A0.235 0.250 5.97 6.35
B0.250 0.265 6.35 6.73
C0.086 0.094 2.19 2.38
D0.027 0.035 0.69 0.88
E0.033 0.040 0.84 1.01
F0.037 0.047 0.94 1.19
G0.180 BSC 4.58 BSC
H0.034 0.040 0.87 1.01
J0.018 0.023 0.46 0.58
K0.102 0.114 2.60 2.89
L0.090 BSC 2.29 BSC
R0.175 0.215 4.45 5.46
S0.020 0.050 0.51 1.27
U0.020 --- 0.51 ---
V0.030 0.050 0.77 1.27
Z0.138 --- 3.51 ---
NOTES:
1. DIMENSIONING AND TOLERANCING PER ANSI
Y14.5M, 1982.
2. CONTROLLING DIMENSION: INCH.
123
4
STYLE 3:
PIN 1. ANODE
2. CATHODE
3. ANODE
4. CATHODE
DPAK FOOTPRINT
0.190
4.826
mm
inches
0.100
2.54
0.063
1.6
0.165
4.191
0.118
3.0
0.243
6.172
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MBRD835L/D
SWITCHMODE is a trademark of Semiconductor Components Industries, LLC.
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