FR251 Datasheet, PDF (1/2 Pages) Rectron Semiconductor – FAST RECOVERY RECTIFIER (VOLTAGE RANGE 50 to 1000 Volts CURRENT 2.5 Amperes)

FR251 - FR257-STR
PRV : 50 - 1000 Volts
Io : 2.5 Amperes
FAST RECOVERY
RECTIFIER DIODES
D2A
FEATURES :
* High current capability
* High surge current capability
* High reliability
* Low reverse current
* Low forward voltage drop
* Fast switching for high efficiency
MECHANICAL DATA :
* Case : D2A Molded plastic
* Epoxy : UL94V-O rate flame retardant
* Lead : Axial lead solderable per MIL-STD-202,
Method 208 guaranteed
* Polarity : Color band denotes cathode end
* Mounting position : Any
* Weight : 0.645 gram
0.161 (4.1)
0.154 (3.9)
0.040 (1.02)
0.0385 (0.98)
1.00 (25.4)
MIN.
0.284 (7.2)
0.268 (6.8)
1.00 (25.4)
MIN.
Dimensions in inches and ( millimeters )
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
Rating at 25 °C ambient temperature unless otherwise specified.
Single phase, half wave, 60 Hz, resistive or inductive load.
For capacitive load, derate current by 20%.
RATING
Maximum Recurrent Peak Reverse Voltage
Maximum RMS Voltage
Maximum DC Blocking Voltage
Maximum Average Forward Current
0.375"(9.5mm) Lead Length
Ta = 55 °C
Peak Forward Surge Current,
8.3ms Single half sine wave Superimposed
on rated load (JEDEC Method)
Maximum Peak Forward Voltage at IF = 2.5 A
Maximum DC Reverse Current
Ta = 25 °C
at Rated DC Blocking Voltage
Ta = 100 °C
Maximum Reverse Recovery Time ( Note 1 )
Typical Junction Capacitance ( Note 2 )
Junction Temperature Range
Storage Temperature Range
SYMBOL
FR251
FR252
FR253
FR254
FR255
FR256
FR257
FR257
-STR
UNIT
VRRM 50 100 200 400 600 800 1000 1000 V
VRMS 35 70 140 280 420 560 700 700 V
VDC
50 100 200 400 600 800 1000 1000 V
IF(AV)
2.5
A
IFSM
VF
IR
IR(H)
Trr
CJ
TJ
TSTG
100
1.3
10
500
150
250
500
28
- 65 to + 150
- 65 to + 150
A
V
µA
µA
250 ns
pf
°C
°C
Notes :
( 1 ) Reverse Recovery Test Conditions : IF = 0.5 A, IR = 1.0 A, Irr = 0.25 A.
( 2 ) Measured at 1.0 MHz and applied reverse voltage of 4.0 VDC
Page 1 of 2
Rev. 01 : January 10, 2004