Document
KBU4A - KBU4M
Discrete POWER & Signal Technologies
KBU4A - KBU4M
0.935(23.7) 0.895(22.7) 0.16(4.1) 0.14(3.6) 0.085(2.2) 0.280(7.1) 0.260(6.6)
Features • • •
High surge current capability. Reliable construction technique. Ideal for printed circuit board.
0.70(17.8) 0.66(16.8) 0.0760(19.3) MAX
0.065(1.7)
45 ° + +
0.455(11.3)
–
~
~ +
0.405(10.3)
0.165(4.2) 0.150(3.8)
KBU
1.0(2.54) MIN
0.260(6.8) 0.180(4.5) 0.220(5.6)
4.0 Ampere Silicon Bridge Rectifiers
Absolute Maximum Ratings*
Symbol
IO if(surge) PD RθJA RθJL Tstg TJ Average Rectified Current @ TA = 50°C Peak Forward Surge Current Total Device Dissipation Derate above 25°C Thermal Resistance, Junction to Ambient,** per leg Thermal Resistance, Junction to Lead,** per leg Storage Temperature Range Operating Junction Temperature
TA = 25°C unless otherwise noted
0.180(4.6)
0.052(1.3) 0.048(1.2)
Dimensions are in: inches (mm)
Parameter
Value
4.0 200 6.6 53 19 4.0 -55 to +150 -55 to +150
Units
A A W mW/°C °C/W °C/W °C °C
*These ratings are limiting values above which the serviceability of any semiconductor device may be impaired. **Device mounted on PCB with 0.375 " (9.5 mm) lead length and 0.5 x 0.5" (13 x 13 mm) copper pads.
Electrical Characteristics
Parameter
4A Peak Repetitive Reverse Voltage Maximum RMS Bridge Input Voltage DC Reverse Voltage (Rated VR) Maximum Reverse Leakage, total bridge @ rated VR TA = 25°C TA = 100°C Maximum Forward Voltage Drop, per bridge @ 4.0 A 50 35 50
TA = 25°C unless otherwise noted
Device
4B 100 70 100 4D 200 140 200 4G 400 280 400 5.0 500 1.0 4J 600 420 600 4K 800 560 800 4M 1000 700 1000
Units
V V V µA µA V
1998 Fairchild Semiconductor Corporation
KBU4A-KBU4M, Rev. A
KBU4A - KBU4M
Silicon Bridge Rectifiers
(continued)
Typical Characteristics
Forward Current Derating Curve
5 FORWARD CURRENT (A)
Forward Characteristics
100 FORWARD CURRENT (A)
4
3
SINGLE PHASE HALF WAVE 60HZ RESISTIVE OR INDUCTIVE LOAD .375" 9.0 mm LEAD LENGTHS
10
2
1
TA J = 25º C Pulse Width = 300µS 2% Duty Cycle
1
0
0
50 100 AMBIENT TEMPERATURE ( º C)
150
0.1 0.6
0.7
0.8 0.9 1 1.1 FORWARD VOLTAGE (V)
1.2
1.3
Non-Repetitive Surge Current
200 FORWARD SURGE CURRENT (A) 175 150 125 100 75 50 25 0 1 2 5 10 20 50 NUMBER OF CYCLES AT 60Hz 100
REVERSE CURRENT (µ A) 100
Reverse Characteristics
T A= 100º C
10
1
T A= 25º C
0.1
0 20 40 60 80 100 120 140 PERCENT OF RATED PEAK REVERSE VOLTAGE (%)
KBU4A-KBU4M, Rev. A
KBU Package Dimensions
KBU (FS PKG Code R7)
1:1
Scale 1:1 on letter size paper
Dimensions shown below are in: inches [millimeters]
Part Weight per unit (gram): 8.0
0.185(4.7) 0.165(4.2)
0.935(23.7) 0.895(22.7) 0.16(4.1) 0.14(3.6)
0.280(7.1) 0.260(6.6)
0.085(2.2)
45°
0.70(17.8) 0.66(16.8) 0.760(19.3) MAX
0.065(1.7)
+ +
0.455(11.3)
–
~
~ +
0.405(10.3)
0.165(4.2) 0.150(3.8) 1.0(2.54) MIN
0.260(6.8) 0.180(4.5) 0.220(5.6) 0.180(4.6) 0.052(1.3) 0.048(1.2)
July 1999, Rev. A
TRADEMARKS
The following are registered and unregistered trademark.