
FAST RECOVERY
* High case dielectric strength
* High surge current capability
* High reliability
* Low reverse current
* Low forward voltage drop
* Fast switching for high efficiency
* Case : Molded plastic with heatsink integrally
mounted in the bridge encapsulation
* Epoxy : UL94V-O rate flame retardant
* Terminals : Plated lead solderable per
MIL-STD-202, Method 208 guaranteed
* Polarity : Polarity symbols marked on case
* Mounting position : Bolt down on heat-sink
with silicone thermal compound between
bridge and mounting surface for maximum
heat transfer efficiency
* Weight : 15.95 grams
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
C ambient temperature unless otherwise specified.
Single phase, half wave, 60 Hz, resistive or inductive load.
For capacitive load, derate current by 20%.
SYMBOL FBR
3500W FBR
3501W FBR
3502W FBR
3504W FBR
3506W FBR
3508W FBR
3510W UNIT
Maximum Recurrent Peak Reverse Voltage VRRM 50 100 200 400 600 800 1000 V
Maximum RMS Voltage VRMS 35 70 140 280 420 560 700 V
Maximum DC Blocking Voltage VDC 50 100 200 400 600 800 1000 V
Maximum Average Forward Current Tc = 55 °CIF(AV) 35 A
Peak Forward Surge Current Single half sine wave
Superimposed on rated load (JEDEC Method)
Current Squared Time at t < 8.3 ms. I2t660 A2S
Maximum Forward Voltage drop per Diode at IF = 17.5 A VF1.3 V
Maximum DC Reverse Current Ta = 25 °CIR10 µA
at Rated DC Blocking Voltage Ta = 100 °CIR(H) 200 µA
Maximum Reverse Recovery Time (Note 1) Trr 150 250 500 ns
Typical Thermal Resistance per diode (Note 2) RθJC 10 °C/W
Operating Junction Temperature Range TJ - 50 to + 150 °C
Storage Temperature Range TSTG - 50 to + 150 °C
1 ) Measured with IF = 0.5 A, IR = 1 A, Irr = 0.25 A
2 ) Thermal Resistance from junction to case with units mounted on a 7.5" x 3.5" x 4.6" (19cm.x 9cm.x 11.8cm.) Al.-Finned Plate
Page 1 of 2 Rev. 02 : March 24, 2005
RATING
IFSM 400 A
BR50W
Dimensions in inches and ( millimeters )
0.042 (1.06)
0.038 (0.96)
0.310 (7.87)
0.280(7.11)
1.2 (30.5)
0.470 (11.9)
0.430 (10.9)
0.21 (5.3)
0.20 (5.1)
0.732 (18.6)
0.692 (17.5)
1.130 (28.7)
1.120 (28.4)
* Pb / RoHS Free