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FR257G-STR Datasheet(PDF) 1 Page - SynSemi, Inc.

Part # FR257G-STR
Description  GLASS PASSIVATED JUNCTION FAST RECOVERY RECTIFIERS
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Manufacturer  SYNSEMI [SynSemi, Inc.]
Direct Link  http://www.synsemi.com
Logo SYNSEMI - SynSemi, Inc.

FR257G-STR Datasheet(HTML) 1 Page - SynSemi, Inc.

  FR257G-STR Datasheet HTML 1Page - SynSemi, Inc. FR257G-STR Datasheet HTML 2Page - SynSemi, Inc.  
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FR251G - FR257G-STR
GLASS PASSIVATED JUNCTION
FAST RECOVERY RECTIFIERS
PRV : 50 - 1000 Volts
Io : 2.5 Amperes
FEATURES :
* Glass passivated chip
* High current capability
* High reliability
* Low reverse current
* Low forward voltage drop
* Fast switching for high efficiency
* Pb / RoHS Free
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
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%.
SYMBOL FR251G FR252G FR253G FR254G FR255G FR256G FR257G
FR257G
-STR
UNIT
Maximum Recurrent Peak Reverse Voltage
VRRM
50
100
200
400
600
800
1000
1000
V
Maximum RMS Voltage
VRMS
35
70
140
280
420
560
700
700
V
Maximum DC Blocking Voltage
VDC
50
100
200
400
600
800
1000
1000
V
Maximum Average Forward Current
0.375"(9.5mm) Lead Length
Ta = 75
°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
VF
1.3
V
Maximum DC Reverse Current
Ta = 25
°C
IR
10
µA
at Rated DC Blocking Voltage
Ta = 100
°C
IR(H)
500
µA
Maximum Reverse Recovery Time ( Note 1 )
Trr
150
250
500
250
ns
Typical Junction Capacitance ( Note 2 )
CJ
15
pf
Junction Temperature Range
TJ
- 65 to + 150
°C
Storage Temperature Range
TSTG
- 65 to + 150
°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. 02 : March 24, 2005
A
A
2.5
RATING
IF(AV)
IFSM
80
D2A
0.040 (1.02)
0.0385 (0.98)
1.00 (25.4)
MIN.
0.161 (4.1)
0.154 (3.9)
0.284 (7.2)
0.268 (6.8)
1.00 (25.4)
MIN.
Dimensions in inches and ( millimeters )


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