PD-20355D
45CKQ100
SCHOTTKY RECTIFIER
HIGH EFFICIENCY SERIES
45A*, 100V
Description/Features
Major Ratings and Characteristics
Characteristics
I F(AV) Rectangular
waveform
VRRM (Per Leg)
IFSM @ tp = 8.3ms half-sine
(Per Leg)
VF @ 25Apk, TJ =125°C
(Per Leg)
The 45CKQ100 center tap Schottky rectifier has been
expressly designed to meet the rigorous requirements
of HiRel environments. It is packaged in the hermetic
isolated TO-258AA package. The device's forward
voltage drop and reverse leakage current are optimized
for the lowest power loss and the highest circuit
efficiency for typical high frequency switching power
supplies and resonent power converters. Full MILPRF-19500 quality conformance testing is available on
source controlled drawings to TX, TXV and S levels.
45CKQ100 Units
45*
A
100
V
400
A
0.74
V
TJ, Tstg Operating and storage -55 to 150
°C
•
•
•
•
•
Hermetically Sealed
Center Tap
Low Forward Voltage Drop
High Frequency Operation
Guard Ring for Enhanced Ruggedness and Long
Term Reliability
• Electrically Isolated
* IF(AV) Current is limited by package
CASE STYLE
4.19 [.165]
3.93 [.155]
A
21.20 [.835]
20.70 [.815]
17.95 [.707]
17.70 [.697]
37.00 [1.457]
20.40 [1.197]
1
19.05 [.750]
12.70 [.500]
5.08 [.200]
2X
2
0.12 [.005]
6.85 [.270]
6.09 [.240]
17.65 [.695]
17.39 [.685]
1.14 [.045]
0.88 [.035]
13.97 [.550]
13.46 [.530]
3
B
C
3X
3.55 [.140]
1.65 [.065]
1.39 [.055]
0.50 [.020]
0.25 [.010]
C A
C
B
(ISOLATED BASE)
NOT ES :
1. DIMENS IONING & T OLERANCING PER AS ME Y14.5M-1994.
2. ALL DIMENS IONS ARE S HOWN IN MILLIMET ERS [INCHES ].
3. CONT ROLLING DIMENS ION: INCH.
4. CONF ORMS T O JEDEC OUTLINE T O-258AA BEFORE LEADFORMING.
1
2
3
ANODE COMMON ANODE
CATHODE
Case Outline and Dimensions - TO-258AA
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1
04/14/14
45CKQ100
Voltage Ratings
Part number
VR
45CKQ100
Max. DC Reverse Voltage (V) (Per Leg)
100
VRWM Max. Working Peak Reverse Voltage (V) (Per Leg)
Absolute Maximum Ratings
Parameters
IF(AV) Max. Average Forward Current
Limits
45*
Units
A
50% duty cycle @ TC = 100°C, rectangular waveform
400
A
* IF(AV) Current is limited by package.
@ tp = 8.3 ms half-sine
Limits
Units
0.90
V
@ 25A
1.18
V
@ 45A
See Fig. 5
I FSM
Max. Peak One Cycle Non - Repetitive
Conditions
Surge Current (Per Leg)
Electrical Specifications
Parameters
VFM
Max. Forward Voltage Drop
(Per Leg) See Fig. 1
IRM
Conditions
0.89
V
@ 25A
1.13
V
@ 45A
0.74
V
@ 25A
0.97
V
@ 45A
Max. Reverse Leakage Current
0.8
mA
TJ = 25°C
(Per Leg) See Fig. 2
45
mA
TJ = 125°C
TJ = -55°C
TJ = 25°C
TJ = 125°C
VR = rated VR
CT
Max. Junction Capacitance (Per Leg)
1400
pF
VR = 5VDC (1MHz, 25°C)
LS
Typical Series Inductance (Per Leg)
8.7
nH
Measured from anode lead to cathode lead
6mm (0.025 in.) from package
Thermal-Mechanical Specifications
Parameters
Limits Units
Conditions
TJ
Max.Junction Temperature Range
-55 to 150
Tstg
Max. Storage Temperature Range
-55 to 150
°C
0.83
°C/W
DC operation
0.42
°C/W
DC operation
RthJC Max. Thermal Resistance, Junction
°C
See Fig. 4
to Case (Per Leg)
RthJC Max. Thermal Resistance, Junction
to Case (Per Package)
wt
Weight (Typical)
Die Size
Case Style
10.9
g
200X200
mils
TO-258AA
Pulse Width < 300µs, Duty Cycle < 2%
2
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45CKQ100
Reverse Current - IR (mA)
100
Instantaneous Forward Current - I F (A)
100
T = 150°C
J
125°C
10
100°C
1
0.1
0.01
25°C
0.001
A
0.0001
0
20
40
60
80
100
Reverse Voltage - V R (V)
10
Fig. 2 - Typical Values of Reverse Current
Vs. Reverse Voltage (Per Leg)
Tj = 125°C
Tj = 25°C
Tj = -55°C
1
0.0
0.2
0.4
0.6
0.8
1.0
1.2
1.4
1.6
Forward Voltage Drop - V F (V)
Fig. 1 - Max. Forward Voltage Drop Characteristics
(Per Leg)
Fig. 3 - Typical Junction Capacitance Vs.
Reverse Voltage (Per Leg)
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3
45CKQ100
Fig. 4 - Max. Thermal Impedance ZthJC Characteristics (Per Leg)
45CKQ100
R thJC (DC) = 0.42°C/W
Fig. 5 - Max. Allowable Case Temperature Vs.
Average Forward Current
IR WORLD HEADQUARTERS: 101 N. Sepulveda Blvd., El Segundo, California 90245, USA Tel: (310) 252-7105
IR LEOMINSTER : 205 Crawford St., Leominster, Massachusetts 01453, USA Tel: (978) 534-5776
TAC Fax: (310) 252-7903
Visit us at www.irf.com for sales contact information.
Data and specifications subject to change without notice. 04/2014
4
www.irf.com
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