Vishay VS-30BQ040PbF Data Sheet

SMC

PRODUCT SUMMARY

I

F(AV)

V

R

Schottky Rectifier, 3.0 A

Cathode Anode

3.0 A

40 V

VS-30BQ040PbF

Vishay High Power Products

FEATURES

• Small foot print, surface mountable

• Very low forward voltage drop

• High frequency operation

• Guard ring for enhanced ruggedness and long term
reliability

• Meets MSL level 1, per J-STD-020, LF maximum peak of
260 °C

• Compliant to RoHS directive 2002/95/EC

• Designed and qualified for industrial level

DESCRIPTION

The VS-30BQ040PbF surface mount Schottky rectifier has
been designed for applications requiring low forward drop
and small foot prints on PC boards. Typical applications are
in disk drives, switching power supplies, converters,
freewheeling diodes, battery charging, and reverse battery
protection.

MAJOR RATINGS AND CHARACTERISTICS

SYMBOL CHARACTERISTICS VALUES UNITS

I

F(AV)

V

I

FSM

V

T

RRM

F

J

Rectangular waveform 3.0 A

40 V

tp = 5 μs sine 2000 A

3.0 Apk, TJ = 125 °C 0.43 V

Range - 55 to 150 °C

VOLTAGE RATINGS

PARAMETER SYMBOL VS-30BQ040PbF UNITS

Maximum DC reverse voltage V

Maximum working peak reverse voltage V

R

RWM

40 V

ABSOLUTE MAXIMUM RATINGS

PARAMETER SYMBOL TEST CONDITIONS VALUES UNITS

Maximum average forward current I

Maximum peak one cycle
non-repetitive surge current

Non-repetitive avalanche energy E

Repetitive avalanche current I

F(AV)

I

FSM

AR

AS

50 % duty cycle at TL = 118 °C, rectangular waveform 3.0

50 % duty cycle at T

5 μs sine or 3 μs rect. pulse

10 ms sine or 6 ms rect. pulse 110

TJ = 25 °C, IAS = 1.0 A, L = 12 mH 6.0 mJ

Current decaying linearly to zero in 1 μs
Frequency limited by T

= 110 °C, rectangular waveform 4.0

L

Following any rated
load condition and with
rated V

maximum VA = 1.5 x VR typical

J

RRM

applied

2000

1.0 A

A

Document Number: 94179 For technical questions, contact: [e-mail]
Revision: 04-Mar-10 1

www.vishay.com

VS-30BQ040PbF

Vishay High Power Products

Schottky Rectifier, 3.0 A

ELECTRICAL SPECIFICATIONS

PARAMETER SYMBOL TEST CONDITIONS VALUES UNITS

3 A

Maximum forward voltage drop V

FM

(1)

3 A

6 A 0.68

6 A 0.57

Maximum reverse leakage current I

Maximum junction capacitance C

Typical series inductance L

RM

T

= 125 °C 30

J

VR = 5 VDC (test signal range 100 kHz to 1 MHz), 25 °C 230 pF

T

S

Measured lead to lead 5 mm from package body 3.0 nH

TJ = 25 °C

(1)

Maximum voltage rate of change dV/dt Rated V

T

= 25 °C

J

= 125 °C

T

J

V

= Rated V

R

R

R

0.53

0.43

0.5

10 000 V/μs

Note

(1)

Pulse width < 300 μs, duty cycle < 2 %

THERMAL - MECHANICAL SPECIFICATIONS

PARAMETER SYMBOL TEST CONDITIONS VALUES UNITS

Maximum junction and storage
temperature range

Maximum thermal resistance,
junction to lead

Maximum thermal resistance,
junction to ambient

Approximate weight

Marking device Case style SMC (similar to DO-214AB) V3F

Notes

dP

(1)

------------­dT

(2)

Mounted 1" square PCB

1

tot

J

thermal runaway condition for a diode on its own heatsink

--------------<
R

thJA

(1)

T

, T

J

Stg

(2)

R

thJL

- 55 to 150 °C

12

DC operation

R

thJA

46

0.24 g

0.008 oz.

V

mA

°C/W

www.vishay.com For technical questions, contact: [e-mail]

Document Number: 94179

2 Revision: 04-Mar-10

VS-30BQ040PbF

10

1

0.1

- Instantaneous Forward Current (A)

F

I

0.1 0.3 0.6 0.8 0.90.70.40.20 0.5

V

- Forward Voltage Drop (V)

FM

TJ = 150 °C
T

= 125 °C

J

T

= 25 °C

J

Schottky Rectifier, 3.0 A

100 000

10 000

1000

100

- Reverse Current (µA)

10

R

I

Vishay High Power Products

TJ = 150 °C

TJ = 125 °C

TJ = 100 °C

TJ = 75 °C

TJ = 50 °C

TJ = 25 °C

1

10 30 40200

V

- Reverse Voltage (V)

R

Fig. 1 - Maximum Forward Voltage Drop Characteristics (Per Leg) Fig. 2 - Typical Values of Reverse Current vs.

Reverse Voltage (Per Leg)

1000

100

- Junction Capacitance (pF)

T

C

10

515 30

V

- Reverse Voltage (V)

R

Fig. 3 - Typical Junction Capacitance vs. Reverse Voltage (Per Leg)

100

10

1

- Thermal Impedance (°C/W)

thJC

Z

0.1

0.00001 0.0001 0.001 0.01 0.1

Single pulse

(thermal resistance)

t1 - Rectangular Pulse Duration (s)

Fig. 4 - Maximum Thermal Impedance Z

TJ = 25 °C

25

D = 0.75
D = 0.50
D = 0.33
D = 0.25
D = 0.20

3520100

40

Characteristics (Per Leg)

thJC

45

P

DM

Notes:

1. Duty factor D = t

2. Peak TJ = PDM x Z

1/t2

t

1

thJC

t

2

+ T

C

100110

Document Number: 94179 For technical questions, contact: [e-mail]

www.vishay.com

Revision: 04-Mar-10 3