Vishay 12CWQ04FN Data Sheet
Bulletin PD-20546 rev. G 06/04
12CWQ04FN
SCHOTTKY RECTIFIER |
12 Amp |
IF(AV) = 12Amp
VR = 40V
Major Ratings and Characteristics
Characteristics |
12CWQ04FN |
Units |
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IF(AV) |
Rectangular |
12 |
A |
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waveform |
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VRRM |
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40 |
V |
IFSM |
@ tp = 5 µs sine |
550 |
A |
VF |
@6 Apk, TJ = 125°C |
0.48 |
V |
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(per leg) |
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TJ |
range |
- 55 to 150 |
°C |
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Description/ Features
The 12CWQ04FN 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.
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
Case Styles
12CWQ04FN
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Base |
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Common |
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Cathode |
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4 |
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2 |
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1 |
Common |
3 |
Cathode |
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Anode |
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Anode |
D-PAK
www.irf.com |
1 |
12CWQ04FN
Bulletin PD-20546 rev. G 06/04
Voltage Ratings
Part number |
12CWQ04FN |
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VR Max. DC Reverse Voltage (V) |
40 |
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VRWM Max. Working Peak Reverse Voltage (V) |
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Absolute Maximum Ratings
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Parameters |
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12CWQ... |
Units |
Conditions |
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IF(AV) |
Max. Average Forward(Per Leg) |
6 |
A |
50% duty cycle @ TC = 134°C, rectangular wave form |
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Current*SeeFig.5 |
(PerDevice) |
12 |
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IFSM |
Max.PeakOneCycleNon-Repetitive |
550 |
A |
5µs Sine or 3µs Rect. pulse |
Following any rated |
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Surge Current * See Fig. 7 |
90 |
10ms Sine or 6ms Rect. pulse |
load condition and with |
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rated VRRM applied |
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EAS |
Non-Repet.Avalan.Energy(PerLeg) |
9 |
mJ |
TJ = 25 °C, IAS = 1.5 Amps, L = 8 mH |
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IAR |
Repetitive Avalanche Current |
1.2 |
A |
Current decaying linearly to zero in 1 µsec |
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(Per Leg) |
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Frequency limited by TJ max. VA = 1.5 x VR typical |
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Electrical Specifications
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Parameters |
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12CWQ... |
Units |
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Conditions |
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VFM |
Max. Forward Voltage Drop |
0.53 |
V |
@ |
6A |
TJ = 25 °C |
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(Per Leg) * See Fig. 1 |
(1) |
0.68 |
V |
@ 12A |
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0.48 |
V |
@ |
6A |
TJ = 125 °C |
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0.64 |
V |
@ 12A |
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IRM |
Max. Reverse Leakage Current |
3 |
mA |
TJ = |
25 °C |
VR = rated VR |
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(Per Leg) * See Fig. 2 |
(1) |
40 |
mA |
TJ = 125 °C |
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VF(TO) Threshold Voltage |
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0.28 |
V |
TJ = TJ max. |
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rt |
Forward Slope Resistance |
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25.58 |
mΩ |
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CT |
Typ. Junction Capacitance (Per Leg) |
405 |
pF |
VR = 5VDC (test signal range 100Khz to 1Mhz) 25°C |
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LS |
Typical Series Inductance |
(Per Leg) |
5.0 |
nH |
Measured lead to lead 5mm from package body |
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(1) Pulse Width < 300µs, Duty Cycle <2%
Thermal-Mechanical Specifications
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Parameters |
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12CWQ... |
Units |
Conditions |
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TJ |
Max. Junction Temperature Range (*) |
-55 to 150 |
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°C |
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Tstg |
Max. Storage Temperature Range |
-55 to 150 |
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°C |
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RthJC |
Max. Thermal Resistance(Per Leg) |
3.0 |
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°C/W |
DC operation |
* See Fig. 4 |
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Junction to Case |
(Per Device) |
1.5 |
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wt |
Approximate Weight |
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0.3 (0.01) |
g (oz.) |
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Case Style |
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D-Pak |
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Similar to TO-252AA |
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Device Marking |
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12CWQ04FN |
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(*) dPtot |
< |
1 |
thermal runaway condition for a diode on its own heatsink |
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dTj |
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Rth( j-a) |
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2 |
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www.irf.com |
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