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 Bulletin PD-2.047 rev. E 12/01
80SQ... SERIES
SCHOTTKY RECTIFIER 8 Amp
Major Ratings and Characteristics Characteristics
IF(AV) Rectangular waveform VRRM range IFSM @ tp = 5 s sine VF TJ @ 8 Apk, TJ = 125C range
Description/Features Units
A V A V C The 80SQ axial leaded Schottky rectifier series has been optimized for low reverse leakage at high temperature. The proprietary barrier technology allows for reliable operation up to 175C junction temperature. Typical applications are in switching power supplies, converters, free-wheeling diodes, and reverse battery protection. 175 C TJ operation High purity, high temperature epoxy encapsulation for enhanced mechanical strength and moisture resistance Low forward voltage drop High frequency operation Guard ring for enhanced ruggedness and long term reliability
80SQ...
8 35 to 45 2400 0.44 - 55 to 175
CASE STYLE AND DIMENSIONS
Conforms to JEDEC Outline DO - 204AR Dimensions in millimeters and inches
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80SQ... Series
Bulletin PD-2.047 rev. E 12/01
Voltage Ratings
Part number
VR Max. DC Reverse Voltage (V) 35 40 45 VRWM Max. Working Peak Reverse Voltage (V)
80SQ035
80SQ040
80SQ045
Absolute Maximum Ratings
Parameters
IF(AV) Max. Average Forward Current * See Fig. 5 IFSM EAS IAR Max. Peak One Cycle Non-Repetitive Surge Current * See Fig. 7 Non-Repetitive Avalanche Energy Repetitive Avalanche Current
80SQ
8 2400 380 10 1.6
Units
A
Conditions
50% duty cycle @ TC = 119 C, rectangular wave form 5s Sine or 3s Rect. pulse 10ms Sine or 6ms Rect. pulse Following any rated load condition and with rated VRRM applied
A mJ A
TJ = 25 C, IAS = 1.6 Amps, L = 7.8 mH Current decaying linearly to zero in 1 sec Frequency limited by TJ max. VA = 1.5 x VR typical
Electrical Specifications
Parameters
VFM Max. Forward Voltage Drop * See Fig. 1 (1)
80SQ Units
0.53 0.60 0.44 0.55 V V V V mA mA pF nH V/ s @ 8A @ 16A @ 8A @ 16A TJ = 25 C TJ = 125 C
Conditions
TJ = 25 C TJ = 125 C VR = rated VR
IRM CT LS
Max. Reverse Leakage Current (1) * See Fig. 2 Max. Junction Capacitance Typical Series Inductance
2 15 900 10.0 10000
VR = 5VDC, (test signal range 100Khz to 1Mhz) 25 C Measured lead to lead 5mm from body
dv/dt Max. Voltage Rate of Change (Rated VR)
(1) Pulse Width < 300s, Duty Cycle < 2%
Thermal-Mechanical Specifications
Parameters
TJ Tstg Max. Junction Temperature Range Max. Storage Temperature Range
80SQ Units
-55 to 175 -55 to 175 8.0 C C C/W 44 1.4(0.049) g (oz.) DO - 204AR JEDEC
Conditions
RthJL Max. Thermal Resistance Junction to Lead RthJA Typical Thermal Resistance, Junction to Air wt Approximate Weight Case Style
DC operation * See Fig. 4 1/8 inch lead length C/W
2
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80SQ... Series
Bulletin PD-2.047 rev. E 12/01
10 0
10 00 10 0 R v rs C rre t - I (m ) ee e u n A R 1 0 1 .1 .0 1 .0 1 0 .0 0 01 0 T =1 5 C 7 J 1 0C 5 1 5C 2 1 0C 0 7 5C 5 0C 2 5C
In ta ta e u F rw rdC rre t - IF (A s n nos o a un )
1 0
5
11223344 05050505 R v rs V lta e- V (V ee e o g R)
T =1 5 C 7 J T =1 5 C 2 J T= 2 5C J 1
J n tio C p c n e- C (p ) u c n a a ita c F T
Fig. 2 - Typical Values of Reverse Current Vs. Reverse Voltage
10 00
T =2 5C J
.1 0
.1
.2
.3
.4
.5
.6
.7
.8
.9
11 .1
10 0 0
1 0
2 0
3 0
4 0
5 0
F rw rdV lta eD p- V M ) oa o g ro F (V
R v rs V lta e- V (V ee e o g ) R
Fig. 1 - Maximum Forward Voltage Drop Characteristics
1 0 T e a Im e a c - Zth L ( /W h rm l p d n e J C) D=0 0 .5 D=0 3 .3 D=0 5 .2 1 D=0 7 .1 D=0 8 .0
PM D
Fig. 3 - Typical Junction Capacitance Vs. Reverse Voltage
=1 in h /8 c
.1
t 1 t2 N te : os 1 D tyfa to D= t1/ t2 .u cr 2 P a T =P M Z . ek J D x +T th L C J .0 1 .1 1 1 0 10 0
S g P ls in le u e (T e a R s ta c ) h rm l e is n e .0 1 .0 0 1 00 .0 0 01 .0 1 0
t , R c n u r P ls D ra n(S c n s e ta g la u e u tio eod) 1
Fig. 4 - Maximum Thermal Impedance ZthJL Characteristics
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80SQ... Series
Bulletin PD-2.047 rev. E 12/01
10 8 A w b C s T m ea r - ( C llo a le a e e p r tue ) 8S 0Q R J (D ) =8 /W .0 C th L C 6 5 4 3 R SL it M im 2 1 0 0 D=0 8 .0 D=0 7 .1 D=0 5 .2 D=0 3 .3 D=0 0 .5 D C
10 7
10 6
10 5
D C
10 4 =1 in h /8 c 10 3 0
A e g P w r L s - (W tts v ra e o e o s a)
2
4
6
8
1 0
1 2
2
4
6
8
1 0
1 2
A e g F rw rdC rre t - IF V (A v ra e o a un (A ) )
A e g F rw rdC rre t - I v ra e o a un (A ) FV (A )
Fig. 5 - Maximum Allowable Case Temperature Vs. Average Forward Current
Fig. 6 - Forward Power Loss Characteristics
10000 (A) At Any Rated Load Condition And With Rated VRRM Applied Following Surge
Non-Repetitive Surge Current - I
FSM
1000
100 10
100
1000
10000
Square Wave Pulse Duration - t p (microsec)
Fig. 7 - Maximum Non-Repetitive Surge Current
L H IG H -SPE ED SW ITC H FREE-W HE EL D IO D E 40H FL40S02 V d = 25 V olt
D UT
IRFP460 Rg = 25 ohm
+
C UR RE N T M O N ITO R
Fig. 8 - Unclamped Inductive Test Circuit
4
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80SQ... Series
Bulletin PD-2.047 rev. E 12/01
Ordering Information Table
Device Code
80
1
S
2
Q
3
045
4
1 2 3 4
-
Essential Part Number (current x10) S = DO-204AR Q = Schottky Q Series Voltage Rating 035 = 35V 040 = 40V 045 = 45V
Data and specifications subject to change without notice. This product has been designed and qualified for Industrial Level. Qualification Standards can be found on IR's Web site.
IR WORLD HEADQUARTERS: 233 Kansas St., El Segundo, California 90245, USA Tel: (310) 252-7105 TAC Fax: (310) 252-7309 Visit us at www.irf.com for sales contact information. 12/01
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