PD-2.289 rev.
B 02/2000
11DQ09
11DQ10
SCHOTTKY RECTIFIER 1.1 Amp
Major Ratings and Characteristics Description/Features
The 11DQ.. axial leaded Schottky rectifier has been optimized
Characteristics 11DQ.. Units for very low forward voltage drop, with moderate leakage.
Typical applications are in switching power supplies, convert-
IF(AV) Rectangular 1.1 A ers, free-wheeling diodes, and reverse battery protection.
waveform Low profile, axial leaded outline
VRRM 90 / 100 V High purity, high temperature epoxy encapsulation for
enhanced mechanical strength and moisture resistance
IFSM @ tp = 5 µs sine 85 A Very low forward voltage drop
High frequency operation
VF @ 1 Apk, TJ = 25°C 0.85 V Guard ring for enhanced ruggedness and long term
reliability
TJ range - 40 to 150 °C
CASE STYLE AND DIMENSIONS
Conform to JEDEC Outline DO-204AL (DO-41)
Dimensions in millimeters and inches
1
11DQ09, 11DQ10
PD-2.289 rev. B 02/2000
Voltage Ratings
Part number 11DQ09 11DQ10
VR Max. DC Reverse Voltage (V)
90 100
VRWM Max. Working Peak Reverse Voltage (V)
Absolute Maximum Ratings
Parameters 11DQ.. Units Conditions
I F(AV) Max. Average Forward Current 1.1 A 50% duty cycle @ TC = 75°C, rectangular wave form
* See Fig. 4
I FSM Max. Peak One Cycle Non-Repetitive 85 5µs Sine or 3µs Rect. pulse Following any rated
A load condition and with
Surge Current * See Fig. 6 14 10ms Sine or 6ms Rect. pulse rated VRRM applied
Electrical Specifications
Parameters 11DQ.. Units Conditions
VFM Max. Forward Voltage Drop 0.85 V @ 1A TJ = 25 °C
* See Fig. 1 (1) 0.96 V @ 2A
0.68 V @ 1A
TJ = 125 °C
0.78 V @ 2A
IRM Max. Reverse Leakage Current 0.5 mA T J = 25 °C
VR = rated VR
* See Fig. 2 (1) 1.0 mA T J = 125 °C
CT Typical Junction Capacitance 35 pF VR = 5VDC, (test signal range 100Khz to 1Mhz) 25°C
LS Typical Series Inductance 8.0 nH Measured lead to lead 5mm from package body
(1) Pulse Width < 300µs, Duty Cycle <2%
Thermal-Mechanical Specifications
Parameters 11DQ.. Units Conditions
TJ Max. Junction Temperature Range -40 to 150 °C
T stg Max. Storage Temperature Range -40 to 150 °C
RthJA Max. Thermal Resistance Junction 130 °C/W DCoperation
to Ambient Without cooling fin
RthJA Typical Thermal Resistance Junction 81 °C/W PC board mounted [L = 8mm (0.315 in.)]
to Ambient with PC Board Mounted Solder land area 100mm2(0.155 in 2.)
wt Approximate Weight 0.33(0.012) g (oz.)
Case Style DO-204AL(DO-41)
2
11DQ09, 11DQ10
PD-2.289 rev. B 02/2000
10 10
1 T J = 150˚C
0.1
Reverse Current - IR (mA)
125˚C
0.01
0.001
25˚C
Instantaneous Forward Current - IF (A)
0.0001
TJ = 150˚C 0
0 20 40 60 80 100
TJ = 125˚C
1 Reverse Voltage - VR (V)
TJ = 25˚C
Fig. 2 - Typical Values Of Reverse Current
Vs. Reverse Voltage
100
Junction Capacitance - CT (pF)
T = 25˚C
J
0.1
0 0.4 0.8 1.2 1.6
Forward Voltage Drop - VFM (V) 10
0 20 40 60 80 100
Fig. 1 - Max. Forward Voltage Drop Characteristics
Reverse Voltage - VR (V)
Fig. 3 - Typical Junction Capacitance
Vs. Reverse Voltage
3
11DQ09, 11DQ10
PD-2.289 rev. B 02/2000
150
Allowable Case Temperature - (°C)
D = 0.20
0.8
D = 0.25
Average Power Loss - (Watts)
120 D = 0.33
DC D = 0.50
0.6 D = 0.75
90
RMS Limit
DC
0.4
60
Square wave (D = 0.50)
80% Rated VR applied
30 0.2
see note (2)
0 0
0 0.3 0.6 0.9 1.2 1.5 0 0.3 0.6 0.9 1.2 1.5
Average Forward Current - IF(AV)(A) Average Forward Current - IF(AV) (A)
Fig. 4 - Max. Allowable Case Temperature Fig. 5- Forward Power Loss Characteristics
Vs. Average Forward Current
10
Non-Repetitive Surge Current - IFSM(A)
1 T J = 150˚C
0.1
125˚C
0.01
0.001
25˚C
0.0001
0
0 20 40 60 80 100
Square Wave Pulse Duration - tp(microsec)
Fig. 6 - Max. Non-Repetitive Surge Current
(2) Formula used: T C = T J - (Pd + PdREV) x RthJC ;
Pd = Forward Power Loss = IF(AV) x V FM @ (IF(AV) / D) (see Fig. 6);
Pd REV = Inverse Power Loss = VR1 x IR (1 - D); IR @ VR1 = 80% rated VR
4
11DQ09, 11DQ10
PD-2.289 rev. B 02/2000
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http://www.irf.com Fax-On-Demand: +44 1883 733420 Data and specifications subject to change without notice 11/97
