www.eicsemi.com
KBU4A ~ KBU4M
PRV : 50 - 1000 Volts
Io : 4.0 Amperes
FEATURES :
* Ideal for printed circuit boards
* High surge current capability
* High case dielectric strength of 1500 VAC @1 Sec
* Pb / RoHS Free
MECHANICAL DATA :
* Case : Molded plastic
* Polarity : Polarity symbols marked on case
* Mounting position : Any
* Weight : 8.0 grams
TH97/2478
TH09/2479
IATF 0113686
SGS TH07/1033
Silicon Bridge Rectifiers
0.760 (19.3)
MAX.
KBU
0.935 (23.7)
0.895 (22.7)
++
+ AC AC
0.085 (2.2)
0.065 (1.7)
0.16 (4.1)
0.14 (3.6)
1.80 (29.9)
MIN.
1.0 (25.4)
MIN.
0.052 (1.30)
0.048 (1.20)
0.085 (2.16)
0.065 (1.65)
0.220 (5.60)
0.180 (4.60)
0.280 (7.1 )
0.260 (6.6)
Dimensions in inches and ( millimeter )
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
Rating at 25 °C ambient temperature unless otherwise specified.
RATING
Maximum Recurrent Peak Reverse Voltage
Maximum RMS Voltage
Maximum DC Blocking Voltage
Maximum Average Forward Rectified
Output Current at Ta = 30 °C (Note 1)
Peak Forward Surge Current, Single sine-wave
Superimposed on rated load
Maximum Instantaneous Forward Voltage per leg at IF = 4 A
Maximum DC Reverse Current
at Rated DC Blocking Voltage per leg
Thermal Resistance, Junction to Ambient, per leg (Note1)
Thermal Resistance, Junction to Lead, per leg (Note2)
Operating Junction and Storage Temperature Range
KBU
SYMBOL 4A
VRRM
50
VRMS
35
VDC 50
KBU
4B
100
70
100
KBU
4D
200
140
200
KBU
4G
400
280
400
KBU
4J
600
420
600
KBU
4K
800
560
800
KBU
4M
1000
700
1000
UNIT
V
V
V
IF(AV) 4.0 A
IFSM
VF
IR
IR(H)
RθJA
RθJL
TJ, TSTG
200
1.0
5.0 (Ta = 25°C)
1.0 (Ta = 125°C)
19
4.0
- 50 to + 150
A
V
μA
mA
°C/W
°C/W
°C
Notes :
(1) Units mounted on P.C.B. with 0.5 x 0.5" (12 x 12 mm) copper pads and 0.375" (9.5 mm) lead length.
(2) Units mounted on a 2.0 x 1.6 x 0.3" thick (5 x 4 x 0.8 cm) Al.Plate
Page 1 of 2
Rev. 02 : August 20, 2012
