September 2012
DFB2505 - DFB25100
Glass Passivated Bridge Rectifiers
Features
• UL Certificate # E326243
• Glass Passivated Junction
• Ideal for Printed Circuit Board
• Reliable Low Cost Construction
• Plastic Material has Underwriters Laboratory Flammability Classification 94V-0
• Surge Overload Rating to 350 Amperes Peak
• High Case Dielectric Strength of 2500 VRMS
• Isolated Voltage from Case to Lead Over 2500 Volts
+
~
~
-
TS-6P
Absolute Maximum Ratings* TA = 25°C unless otherwise noted
Value
Symbol
Parameter
Units
DFB25 DFB25 DFB25 DFB25 DFB25 DFB25 DFB25
05
10
20
40
60
80
100
Maximum
Recurrent Peak Reverse Voltage
VRRM
50
100
200
400
600
800
1000
V
VRMS
VDC
Maximum RMS Voltage
35
50
70
140
200
280
400
420
600
560
800
700
V
V
Maximum DC Blocking Voltage
100
1000
Maximum
Average Forward Rectified Current
I(AV)
IFSM
25
A
A
Peak Forward Surge Current
(8.3mS Single Half-wave)
350
RJC
TJ
4.75
C/W
C
Typical Thermal Resistance**
Operating Temperature Range
Storage Temperature Range
-55 to +150
-55 to +150
TSTG
C
* Single phase, half wave, 60Hz, resistive or inductive load. For capacitive load, derate current by 20%
** Device mounted on 4" x 6" x 0.25" Al-plate heat sink.
Electrical Characteristics TA = 25°C unless otherwise specified
Symbol
Parameter
Test condition
Value
Unit
Maximum
Instantaneous Forward Voltage
@ 12.5A
@ 25A
1.0
1.1
VF
V
Maximum DC Reverse Current
at Rated DC Blocking Voltage
@ TA = 25°C
@ TA = 125°C
10
500
IR
A
I2t
Cj
Rating for fusing (t < 8.3mS)
508
110
A2S
pF
Typical Junction Capacitance per leg*
* Measured at 1MHz and applied Reverse bias of 4.0V DC.
© 2012 Fairchild Semiconductor Corporation
www.fairchildsemi.com
DFB2505 - DFB25100 Rev. A6
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