Document Number: 94198 For technical questions, contact: diodestech@vishay.com www.vishay.com
Revision: 08-Jul-09 1
Schottky Rectifier, 3.5 A
30WQ04FNPbF
Vishay High Power Products
FEATURES
• Popular D-PAK outline
• 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 30WQ04FNPbF surface mount Schottky rectifier 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) 3.5 A
VR40 V
D-PAK Anode
13
Base
cathode
4, 2
Anode
MAJOR RATINGS AND CHARACTERISTICS
SYMBOL CHARACTERISTICS VALUES UNITS
IF(AV) Rectangular waveform 3.5 A
VRRM 40 V
IFSM tp = 5 µs sine 500 A
VF3 Apk, TJ = 125 °C 0.49 V
TJ- 40 to 150 °C
VOLTAGE RATINGS
PARAMETER SYMBOL 30WQ04FNPbF UNITS
Maximum DC reverse voltage VR40 V
Maximum working peak reverse voltage VRWM
ABSOLUTE MAXIMUM RATINGS
PARAMETER SYMBOL TEST CONDITIONS VALUES UNITS
Maximum average forward current
See fig. 5 IF(AV) 50 % duty cycle at TC = 135 °C, rectangular waveform 3.5
A
Maximum peak one cycle
non-repetitive surge current
See fig. 7
IFSM
5 µs sine or 3 µs rect. pulse Following any rated load
condition and with rated
VRRM applied
500
10 ms sine or 6 ms rect. pulse 80
Non-repetitive avalanche energy EAS TJ = 25 °C, IAS = 1 A, L = 16 mH 8.0 mJ
Repetitive avalanche current IAR
Current decaying linearly to zero in 1 µs
Frequency limited by TJ maximum VA = 1.5 x VR typical 1.0 A
www.vishay.com For technical questions, contact: diodestech@vishay.com Document Number: 94198
2Revision: 08-Jul-09
30WQ04FNPbF
Vishay High Power Products Schottky Rectifier, 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
See fig. 1 VFM (1)
3 A TJ = 25 °C 0.53
V
6 A 0.67
3 A TJ = 125 °C 0.49
6 A 0.62
Maximum reverse leakage current
See fig. 2 IRM (1) TJ = 25 °C VR = Rated VR
2mA
TJ = 125 °C 24
Threshold voltage VF(TO) TJ = TJ maximum 0.34 V
Forward slope resistance rt37.33 mΩ
Typical junction capacitance CTVR = 5 VDC (test signal range 100 kHz to 1 MHz), 25 °C 189 pF
Typical series inductance 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 RthJC
DC operation
See fig. 4 4.7 °C/W
Approximate weight 0.3 g
0.01 oz.
Marking device Case style D-PAK (similar to TO-252AA) 30WQ04FN
dPtot
dTJ
------------- 1
RthJA
--------------<
Document Number: 94198 For technical questions, contact: diodestech@vishay.com www.vishay.com
Revision: 08-Jul-09 3
30WQ04FNPbF
Schottky Rectifier, 3.5 A Vishay High Power Products
Fig. 1 - Maximum Forward Voltage Drop Characteristics Fig. 2 - Typical Values of Reverse Current vs.
Reverse Voltage
Fig. 3 - Typical Junction Capacitance vs. Reverse Voltage
Fig. 4 Maximum Thermal Impedance ZthJC Characteristics
1
100
IF - Instantaneous Forward Current (A)
VFM - Forward Voltage Drop (V)
0.4 0.81.2 1.6 2.0 2.4 2.80
TJ = 150 °C
TJ = 125 °C
TJ = 25 °C
10
0.001
0.01
0.1
1
10
100
IR - Reverse Current (mA)
VR - Reverse Voltage (V)
5 101520253035400
TJ = 150 °C
TJ = 125 °C
TJ = 100 °C
TJ = 75 °C
TJ = 50 °C
TJ = 25 °C
10
100
1000
CT - Junction Capacitance (pF)
VR - Reverse Voltage (V)
10 15 20 25 30 35 40 45
05
TJ = 25 °C
0.1
1
10
0.00001 0.0001 0.001 0.01 0.1
t1 - Rectangular Pulse Duration (s)
ZthJC - Thermal Impedance (°C/W)
1
Single pulse
(thermal resistance)
PDM
t1
t2
Notes:
1. Duty factor D = t1/t2
2. Peak TJ = PDM x ZthJC + TC
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: 94198
4Revision: 08-Jul-09
30WQ04FNPbF
Vishay High Power Products Schottky Rectifier, 3.5 A
Fig. 5 - Maximum Allowable Case Temperature vs.
Average Forward Current
Fig. 6 - Forward Power Loss Characteristics
Fig. 7 - Maximum Non-Repetitive Surge Current
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
115
120
125
135
140
145
150
130
155
Allowable Case Temperature (°C)
IF (AV) - Average Forward Current (A)
1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.00 0.5 1.0
DC
See note (1)
Square wave (D = 0.50)
80 % rated VR applied
0
0.5
1.0
1.5
2.0
2.5
3.0
Average Power Loss (W)
IF (AV) - Average Forward Current (A)
1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.00 0.5 1.0
DC
RMS limit
D = 0.20
D = 0.25
D = 0.33
D = 0.50
D = 0.75
10
100
1000
I
FSM
- Non- Repetitive Surge Current (A)
t
p
- Square Wave Pulse Duration (µs)
100 1000 10 00010
At any rated load condition
and with rated VRRM applied
following surge
Document Number: 94198 For technical questions, contact: diodestech@vishay.com www.vishay.com
Revision: 08-Jul-09 5
30WQ04FNPbF
Schottky Rectifier, 3.5 A Vishay High Power Products
ORDERING INFORMATION TABLE
1- Current rating (3.5 A)
2- Package identifier:
W = D-PAK
3- Schottky “Q” series
4- Voltage rating (04 = 40 V)
- FN = TO-252AA (D-PAK)
5
- PbF = Lead (Pb)-free
7
6- None = Tube (50 pieces)
TR = Tape and reel
TRR = Tape and reel (right oriented)
TRL = Tape and reel (left oriented)
Device code
51324
67
30 W Q 04 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
SPICE model www.vishay.com/doc?95288
Document Number: 91000 www.vishay.com
Revision: 18-Jul-08 1
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All product specifications and data are subject to change without notice.
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(collectively, “Vishay”), disclaim any and all liability for any errors, inaccuracies or incompleteness contained herein
or in any other disclosure relating to any product.
Vishay disclaims any and all liability arising out of the use or application of any product described herein or of any
information provided herein to the maximum extent permitted by law. The product specifications do not expand or
otherwise modify Vishay’s terms and conditions of purchase, including but not limited to the warranty expressed
therein, which apply to these products.
No license, express or implied, by estoppel or otherwise, to any intellectual property rights is granted by this
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