ON MBRD835L Schematic [ru]

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

Average Rectified Forward Current

(At Rated V

Peak Repetitive Forward Current

(At Rated V
20 kHz, T

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 s, Frequency Limited by T
Storage Temperature Range T
Operating Junction Temperature T
Voltage Rate of Change (Rated VR) dv/dt 10,000 V/s

, TC = 88°C)

R

, Square Wave,

R

= 80°C)

C

Jmax

V

RRM

V

RWM

V

R

I

F(AV)

I

FRM

I

FSM

I

AR

)

stg

J

35 V

8.0 A

16 A

75 A

2.0 A

–65 to +150 °C
–65 to +125 °C

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SCHOTTKY BARRIER

RECTIFIER

8.0 AMPERES
35 VOLTS

1
3

1

3

DPAK

CASE 369A

STYLE 3

MARKING DIAGRAM

B835L

B835L = Device Code

ORDERING INFORMATION

Device Package Shipping

MBRD835L DPAK 75 Units/Rail
MBRD835LT4 DPAK 2500/Tape & Reel

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

4

4

 Semiconductor Components Industries, LLC, 2000

October, 2000 – Rev. 2

1 Publication Order Number:

MBRD835L/D

MBRD835L

)

THERMAL CHARACTERISTICS

Rating Symbol Value Unit

Thermal Resistance — Junction to Case R
Thermal Resistance — Junction to Ambient (Note 1.) R

ELECTRICAL CHARACTERISTICS

Maximum Instantaneous Forward Voltage (Note 2.) (iF = 8 Amps, TC = +25°C)

Maximum Instantaneous Reverse Current (Note 2.) (Rated dc Voltage, TC = +25°C)

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

2. Pulse Test: Pulse Width = 300 µs, Duty Cycle ≤ 2%.

(i

= 8 Amps, TC = +125°C)

F

(Rated dc Voltage, T

= +100°C)

C

TYPICAL CHARACTERISTICS

θ

JC

θ

JA

V

F

6 °C/W

80 °C/W

0.51

Volts

0.41

I

R

1.4

mA

35

10

T

= 125°C

1

J

25°C

0.1

, INSTANTANEOUS FORWARD CURRENT (mA)

0.01

F

i

0.1 0.2 0.3 0.4 0.5

0 0.6

v

, INSTANTANEOUS VOLTAGE (VOLTS)

F

Figure 1. Maximum Forward Voltage Figure 2. Typical Forward Voltage

1000

= 125°C

T

100

, REVERSE CURRENT (mA)

R

I

0.01

10

1

0.1

J

100°C

25°C

10

T

= 125°C

J

1

75°C

0.1

0.01

, INSTANTANEOUS FORWARD CURRENT (AMPS

F

I

0.1 0.2 0.3 0.4 0.5

0 0.6

V

, INSTANTANEOUS VOLTAGE (VOLTS)

F

25°C

100

T

= 125°C

J

100°C

75°C

, REVERSE CURRENT (mA)

R

I

10

1

0.1

25°C

0.001
5101520

035

, REVERSE VOLTAGE (VOLTS)

V

F

25 30 25 30 35

0.01
5101520

0

V

, REVERSE VOLTAGE (VOLTS)

R

Figure 3. Maximum Reverse Current Figure 4. Typical Reverse Current

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2

1000

C, CAPACITANCE (pF)

MBRD835L

TYPICAL CHARACTERISTICS

T

= 25°C

J

TYPICAL
MAXIMUM

100

1

Figure 5. Maximum and T ypical Capacitance

16

14.4

12.8

11.2

9.6

8

dc

SQUARE WAVE

T

= 125°C

J

π (RESISTIVE LOAD)

R

θ

JA

PK
AV

 5

(CAPACITIVE

I
I

6.4

4.8

3.2

, AVERAGE FORWARD CURRENT (AMPS)

1.6

F(AV)

I

0

80 130

85 90 95 100 105 110 115 120 125

10

20

T

, CASE TEMPERATURE (°C)

C

Figure 6. Current Derating, Infinite Heatsink Figure 7. Current Derating

V

, REVERSE VOLTAGE (VOLTS)

R

= 6°C/W

LOAD)

, AVERAGE FORWARD CURRENT (AMPS)

F(AV)

I

10

8

7

6

π (RESISTIVE LOAD)

5

4

= 125°C

J

dc

SQUARE WAVE

R

= 40°C/W

θ

JA

SURFACE MOUNTED ON
MININUM RECOMMENDED
PAD SIZE

PK
AV

 5

(CAPACITIVE

LOAD)

I
I

T

3

2

1

0

0 130

10

20

5010 20 30 40 8060 70 10090 110 120

T

, AMBIENT TEMPERATURE (°C)

A

5

4.5

4

3.5

3

2.5

2

1.5

1

, AVERAGE FORWARD CURRENT (AMPS)

0.5

F(AV)

I

0

0

T

dc

π

(RESISTIVE LOAD)

SQUARE WAVE

= 125°C

J

R

= 80°C/W

θ

JA

SURFACE MOUNTED ON
MININUM RECOMMENDED
PAD SIZE

PK
AV

 5

(CAPACITIVE

LOAD)

I
I

T

= 125°C

J

7

I

PK

6

 5

I

AV

π (RESISTIVE LOAD)

(CAPACITIVE

LOAD)

SQUARE WAVE

5

4

10

20

3

8

10

20

10

, AMBIENT TEMPERATURE (°C)

T

A

1305020 30 40 8060 70 10090 110 120

, AVERAGE FORWARD POWER DISSIPATION (WATTS)

F(AV)

P

2

1

0

0

1.5 3 4.5 6

7.5 9 10.5 12 13.5 15

I

, AVERAGE FORWARD CURRENT (AMPS)

F(AV)

Figure 8. Current Derating, Free Air Figure 9. Forward Power Dissipation

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3

dc

MBRD835L

PACKAGE DIMENSIONS

DPAK

PLASTIC

CASE 369A–13

SEATING

–T–

PLANE

B

V

S

R

4

A

123

K

F

L

D

2 PL

G

C

J

H

0.13 (0.005) T

M

E

U

ISSUE AA

0.165

4.191

0.100

Z

0.118

3.0

2.54

0.063

1.6

0.190

4.826

DPAK FOOTPRINT

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 ---

STYLE 3:

PIN 1. ANODE

2. CATHODE

3. ANODE

4. CATHODE

0.243

6.172

inches

mm

MILLIMETERSINCHES

SWITCHMODE is a trademark of Semiconductor Components Industries, LLC.

ON Semiconductor and are trademarks of Semiconductor Components Industries, LLC (SCILLC). SCILLC reserves the right to make changes
without further notice to any products herein. SCILLC makes no warranty, representation or guarantee regarding the suitability of its products for any particular
purpose, nor does SCILLC 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 special, consequential or incidental damages. “Typical” parameters which may be provided in SCILLC 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. SCILLC does not convey any license under its patent rights nor the rights of others.
SCILLC 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 SCILLC product could create a situation where personal injury or
death may occur. Should Buyer purchase or use SCILLC products for any such unintended or unauthorized application, Buyer shall indemnify and hold
SCILLC 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 SCILLC was negligent regarding the design or manufacture of the part. SCILLC is an Equal Opportunity/Affirmative Action Employer.

PUBLICATION ORDERING INFORMATION

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Phone: [phone] or 800–344–3860 Toll Free USA/Canada
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Phone: [phone]
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For additional information, please contact your local
Sales Representative.

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MBRD835L/D