6CWQ03FNTRLPBF - Vishay Presicion Group

Document Number: 94247 For technical questions, contact: diodestech@vishay.com www.vishay.com

Revision: 08-Jul-09 1

Schottky Rectifier,

2 x 3.5 A

6CWQ03FNPbF

Vishay High Power Products

FEATURES

• Popular D-PAK outline

• Center tap configuration

• Small foot print, surface mountable

• Low forward voltage drop

• High frequency operation

• Guard ring for enhanced ruggedness and long term

reliability

• Compliant to RoHS directive 2002/95/EC

• AEC-Q101 qualified

DESCRIPTION

The 6CWQ03FNPbF surface mount, center tap, Schottky

rectifier series has been designed for applications requiring

low forward drop and small foot prints on PC board. Typical

applications are in disk drives, switching power supplies,

converters, freewheeling diodes, battery charging, and

reverse battery protection.

PRODUCT SUMMARY

IF(AV) 2 x 3.5 A

VR30 V

D-PAK

Anode

Base

common

cathode

Common

cathode

MAJOR RATINGS AND CHARACTERISTICS

SYMBOL CHARACTERISTICS VALUES UNITS

IF(AV) Rectangular waveform 7 A

VRRM 30 V

IFSM tp = 5 µs sine 535 A

VF3 Apk, TJ = 125 °C (per leg) 0.35 V

TJRange - 40 to 150 °C

VOLTAGE RATINGS

PARAMETER SYMBOL 6CWQ03FNPbF UNITS

Maximum DC reverse voltage VR30 V

Maximum working peak reverse voltage VRWM

ABSOLUTE MAXIMUM RATINGS

PARAMETER SYMBOL TEST CONDITIONS VALUES UNITS

Maximum average

forward current

See fig. 5

per leg

IF(AV) 50 % duty cycle at TC = 134 °C, rectangular waveform

3.5

per device 7

Maximum peak one cycle

non-repetitive surge current per leg

See fig. 7

IFSM

5 µs sine or 3 µs rect. pulse Following any rated load

condition and with rated

VRRM applied

535

10 ms sine or 6 ms rect. pulse 90

Non-repetitive avalanche energy per leg EAS TJ = 25 °C, IAS = 2 A, L = 4 mH 8 mJ

Repetitive avalanche current per leg IAR

Current decaying linearly to zero in 1 µs

Frequency limited by TJ maximum VA = 1.5 x VR typical 1A

www.vishay.com For technical questions, contact: diodestech@vishay.com Document Number: 94247

2Revision: 08-Jul-09

6CWQ03FNPbF

Vishay High Power Products Schottky Rectifier,

2 x 3.5 A

Note

(1) Pulse width < 300 µs, duty cycle < 2 %

Note

(1) thermal runaway condition for a diode on its own heatsink

ELECTRICAL SPECIFICATIONS

PARAMETER SYMBOL TEST CONDITIONS VALUES UNITS

Maximum forward

voltage drop per leg

See fig. 1

VFM (1)

3 A TJ = 25 °C 0.45

6 A 0.52

3 A TJ = 125 °C 0.35

6 A 0.46

Maximum reverse

leakage current per leg

See fig. 2

IRM (1)

TJ = 25 °C

VR = Rated VR

TJ = 125 °C 50

Threshold voltage VF(TO) TJ = TJ maximum 0.22 V

Forward slope resistance rt32.86 mΩ

Typical junction capacitance per leg CTVR = 5 VDC, (test signal range 100 kHz to 1 MHz), 25 °C 290 pF

Typical series inductance per leg LSMeasured lead to lead 5 mm from package body 5.0 nH

Maximum voltage rate of change dV/dt Rated VR10 000 V/µs

THERMAL - MECHANICAL SPECIFICATIONS

PARAMETER SYMBOL TEST CONDITIONS VALUES UNITS

Maximum junction and storage

temperature range TJ (1), TStg - 40 to 150 °C

Maximum thermal resistance,

junction to case

per leg RthJC

DC operation

See fig. 4

4.7 °C/W

per device 2.35

Approximate weight 0.3 g

0.01 oz.

Marking device Case style D-PAK (similar to TO-252AA) 6CWQ03FN

dPtot

dTJ

------------- 1

RthJA

--------------<

Document Number: 94247 For technical questions, contact: diodestech@vishay.com www.vishay.com

Revision: 08-Jul-09 3

6CWQ03FNPbF

Schottky Rectifier,

2 x 3.5 A Vishay High Power Products

Fig. 1 - Maximum Forward Voltage Drop Characteristics

(Per Leg)

Fig. 2 - Typical Values of Reverse Current vs.

Reverse Voltage (Per Leg)

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

Fig. 4 - Maximum Thermal Impedance ZthJC Characteristics (Per Leg)

100

- Instantaneous

Forward Current (A)

- Forward Voltage Drop (V)

0.4 0.6 0.81.0 1.2 1.4 1.6 1.82.0 2.2

0.2

TJ = 150 °C

TJ = 125 °C

TJ = 25 °C

0.001

1.0

100

0.1

0.01

IR - Reverse Current (mA)

VR - Reverse Voltage (V)

10515202530

TJ = 150 °C

TJ = 125 °C

TJ = 100 °C

TJ = 75 °C

TJ = 50 °C

TJ = 25 °C

100

1000

CT - Junction Capacitance (pF)

VR - Reverse Voltage (V)

105 152025 35

TJ = 25 °C

0.1

0.00001 0.0001 0.001 0.01 0.1

t1 - Rectangular Pulse Duration (s)

ZthJC - Thermal Impedance (°C/W)

1.0

PDM

Notes:

1. Duty factor D = t1/t2

2. Peak TJ = PDM x ZthJC + TC

Single pulse

(thermal resistance)

D = 0.75

D = 0.50

D = 0.33

D = 0.25

D = 0.20

www.vishay.com For technical questions, contact: diodestech@vishay.com Document Number: 94247

4Revision: 08-Jul-09

6CWQ03FNPbF

Vishay High Power Products Schottky Rectifier,

2 x 3.5 A

Fig. 5 - Maximum Allowable Case Temperature vs.

Average Forward Current (Per Leg)

Fig. 6 - Forward Power Loss Characteristics (Per Leg)

Fig. 7 - Maximum Non-Repetitive Surge Current (Per Leg)

Note

(1) Formula used: TC = TJ - (Pd + PdREV) x RthJC;

Pd = Forward power loss = IF(AV) x VFM at (IF(AV)/D) (see fig. 6);

PdREV = Inverse power loss = VR1 x IR (1 - D); IR at VR1 = 80 % rated VR

110

120

130

140

150

Allowable Case Temperature (°C)

(

)

- Average Forward Current (A)

2134

See note (1)

Square wave (D = 0.50)

80 % rated VR applied

0.5

1.5

2.0

1.0

Average Power Loss (W)

F(AV)

- Average Forward Current (A)

1345

RMS limit

D = 0.20

D = 0.25

D = 0.33

D = 0.50

D = 0.75

10 000

IFSM - Non-Repetitive Surge Current (A)

tp - Square Wave Pulse Duration (µs)

100 1000 10 000

At any rated load condition

and with rated VRRM applied

following surge

100

Document Number: 94247 For technical questions, contact: diodestech@vishay.com www.vishay.com

Revision: 08-Jul-09 5

6CWQ03FNPbF

Schottky Rectifier,

2 x 3.5 A Vishay High Power Products

ORDERING INFORMATION TABLE

1- Current rating (7 A)

2- Center tap configuration-

3- Package identifier

W = D-PAK

4- Schottky “Q” series

5- Voltage rating (03 = 30 V)

6- FN = TO-252AA (D-PAK)

7- None = Tube (50 pieces)

TR = Tape and reel

TRL = Tape and reel (left oriented)

TRR = Tape and reel (right oriented)

- PbF = Lead (Pb)-free

Device code

51324678

6 C W Q 03 FN TRL PbF

LINKS TO RELATED DOCUMENTS

Dimensions www.vishay.com/doc?95016

Part marking information www.vishay.com/doc?95059

Packaging information www.vishay.com/doc?95033

Document Number: 91000 www.vishay.com

Revision: 18-Jul-08 1

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therein, which apply to these products.

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