FR257-B Rectron, FR257-B Datasheet
FR257-B
Manufacturer Part Number
FR257-B
Description
Rectifiers 2.5A 1000V 500ns
Manufacturer
Rectron
Datasheet
1.FR257-B.pdf
(2 pages)
Specifications of FR257-B
Product
Fast Recovery Rectifier
Configuration
Single
Reverse Voltage
1000 V
Forward Voltage Drop
1.3 V
Recovery Time
500 ns
Forward Continuous Current
2.5 A @ Ta=75C
Max Surge Current
150 A
Reverse Current Ir
5 uA
Mounting Style
Through Hole
Maximum Operating Temperature
+ 150 C
Minimum Operating Temperature
- 65 C
Package / Case
R-3
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
MAXIMUM RATINGS (At T
ELECTRICAL CHARACTERISTICS (At T
NOTES : 1. Test Conditions: I
Maximum Recurrent Peak Reverse Voltage
Maximum RMS Voltage
Maximum DC Blocking Voltage
Maximum Average Forward Rectified Current
at T
Peak Forward Surge Current 8.3 ms single half sine-wave
superimposed on rated load (JEDEC method)
Typical Junction Capacitance (Note 2)
Operating and Storage Temperature Range
Maximum Instantaneous Forward Voltage at 2.5A DC
Maximum DC Reverse Current
at Rated DC Blocking Voltage T
Maximum Full Load Reverse Current Average,
Full Cycle .375” (9.5mm) lead length at T
Maximum Reverse Recovery Time (Note 1)
FEATURES
* Fast switching
* Low leakage
* Low forward voltage drop
* High current capability
* High current surge
* High reliability
MECHANICAL DATA
* Case: Molded plastic
* Epoxy: Device has UL flammability classification 94V-O
* Lead: MIL-STD-202E method 208C guaranteed
* Mounting position: Any
* Weight: 0.54 gram
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
Ratings at 25
Single phase, half wave, 60 Hz, resistive or inductive load.
For capacitive load, derate current by 20%.
A
= 75
SEMICONDUCTOR
TECHNICAL SPECIFICATION
2. Measured at 1 MH
o
C
VOLTAGE RANGE 50 to 1000 Volts CURRENT 2.5 Amperes
RECTRON
o
C ambient temperature unless otherwise specified.
CHARACTERISTICS
A
= 25
F
Z
RATINGS
= 0.5A, I
and applied reverse voltage of 4.0 volts
o
A
C unless otherwise noted)
= 25
FAST RECOVERY RECTIFIER
R
o
C
A
= -1.0A, I
= 25
L
= 55
o
C unless otherwise noted)
o
RR
C
= -0.25A
SYMBOL
SYMBOL
T
J
V
V
I
, T
V
FSM
C
RRM
RMS
I
V
trr
I
DC
O
R
J
F
STG
FR251 FR252 FR253 FR254 FR255 FR255P FR256 FR257 FR257P
FR251 FR252 FR253 FR254 FR255 FR255P FR256 FR257 FR257P
50
35
50
100
100
70
150
200
140
200
Dimensions in inches and (millimeters)
.160 ( 4.1 )
.138 ( 3.5 )
400
280
400
-55 to + 150
1.0 ( 25.4 )
1.0 ( 25.4 )
150
100
2.5
1.3
5.0
60
250
600
420
600
MIN.
MIN.
600
420
600
150
FR251
FR257
.042 ( 1.1 )
.040 ( 1.0 )
THRU
.160 ( 4.1 )
.138 ( 3.5 )
800
560
800
500
1000
1000
DIA.
700
DIA.
1000
1000
250
700
2002-11
uAmps
uAmps
R-3
UNITS
UNITS
Amps
Amps
Volts
Volts
Volts
Volts
nSec
pF
0
C
Related parts for FR257-B
Image
Part Number
Description
Manufacturer
Datasheet
Request
R
Part Number:
Description:
Zener Diodes DISC BY RECTRON
Manufacturer:
Rectron
Datasheet:
FR257-B Summary of contents
Page 1
... Maximum Full Load Reverse Current Average, Full Cycle .375” (9.5mm) lead length Maximum Reverse Recovery Time (Note 1) NOTES : 1. Test Conditions 0.5A -1.0A Measured and applied reverse voltage of 4.0 volts Z SYMBOL FR251 FR252 FR253 FR254 FR255 FR255P FR256 FR257 FR257P V 50 RRM V 35 RMS FSM ...
Page 2
... RATING AND CHARACTERISTIC CURVES ( FR251 THRU FR257 ) FIG TYPICAL FORWARD CURRENT DERATING CURVE 2.5 2.0 1.5 1.0 Single Phase Half Wave 60Hz .5 Resistive or Inductive Load 100 125 150 175 AMBIENT TEMPERATURE, ( FIG TYPICAL INSTANTANEOUS FORWARD CHARACTERISTICS 1.0 Pulse Width=300uS 1% Duty Cycle ...