Rev. A
/
DX
2007
-
06
-
04
TF251
TF257
2.5
A
Fast Recover
y
Rectifier
TAITRON COMPONENTS INCORPORATED www.taitroncomponents.com
Page 1
of 4
Tel: (800)
-
T
AITRON (800)
-
824
-
8766 (661)
-
257
-
6060
Fax: (800)-TAITFAX (800)-824-8329 (661)-257-6415
2.5A Fast Recovery Rectifier
`
Features
Low forward voltage drop
High current capability
High reliability
High surge current capability
High temperature soldering guaranteed 250°C/10 seconds
/.0375" (9.5mm) lead length, 5lbs (2.3kg) tension
RoHS Compliance
Mechanical Data
Case: R-3, molded plastic
Epoxy: UL 94V-0 rate flame retardant
Terminals: Axial leads, solderable per MIL-STD-202, Method 208 guaranteed
Polarity: Color band denotes cathode end
Weight: 0.40 gram
Maximum Ratings and Electr ical Characteristics (T
A
=25ºC unless noted otherwise)
Symbol Description TF
251 TF
252 TF
253 TF
254 TF
255 TF
256 TF
257 Unit Conditions
VRRM Maximum Re petitive
Peak Reverse Voltage 50 100 200 400 600 800 1000 V
VRMS Maximum RMS Voltage 35 70 140 280 420 5 60 700 V
VDC Maximum DC Blocking
Voltage 50 100 200 400 600 800 1000 V
IAV Maximum Average
Forward Rectified
Current 2.5 A
Ta=55 ˚C
IFSM Peak Forward Surge
Current 150 A
8.3ms single half
sine-wave
superimposed on
rated load (JEDEC
method)
R-3
2.5
A
Fast Recover
y
Rectifier
Rev. A/DX 2007
-
06
-
04
TF251 TF257
www.taitroncomponents.com Page 2
of 4
Fig.1-Max. Forward Current Derating Curve
Ambient Temperature Ta (°C)
Fig.2-Max. Non-Repetitive Forward Surge Current
Number of Cycles at 60Hz
Typical Characteristics Curves
Symbol Description TF
251 TF
252 TF
253 TF
254 TF
255 TF
256 TF
257 Unit Conditions
VF Maximum
Instantaneous
Forward Voltage 1.3 V
IF=2.5 A
5.0 TA=25° C
IR Maximum DC
Reverse Current at
Rated DC Blocking
Voltage 100 µA TA=100° C
Trr Typical Reverse
Recovery Time 150 250 500 nS
IF=0.5A, IR=1A,
Irr=0.25A
CJ Typical Junction
Capacitance 60 pf VR=4V, f=1MHz
TJ Operating
Temperature range -55 to +125
TSTG Storage Temperature
Range -55 to +150 ° C
Average Forward Rectified Current (A)
Peak Forward Surge Current (A)
2.5
A
Fast Recover
y
Rectifier
Rev. A/DX 2007
-
06
-
04
TF251 TF257
www.taitroncomponents.com Page 3
of 4
Fig.3- Typical Forward Characteristics
Forward Voltage (V)
Dimensions in inches (mm)
Instantaneous Forward Current (A)
Fig.4- Typical Junction Capacitance
Reverse Voltage (V)
Junction Capacitance (pF)
R-3
2.5
A
Fast Recover
y
Rectifier
Rev. A/DX 2007
-
06
-
04
TF251 TF257
www.taitroncomponents.com Page 4
of 4
How to contact us:
US HEADQUARTERS
28040 WEST HARRISON PARKAWAY, VALENCIA, CA 91355-4162
Tel: (800) TAITRON (800) 824-8766 (661) 257-6060
Fax: (800) TAITFAX (800) 824-8329 (661) 257-6415
Email: taitron@taitroncomponents.com
Http://www.taitroncomponents.com
TAITRON COMPONE NTS MEXICO, S. A .DE C.V.
BOULEVARD CENTRAL 5000 INTERIOR 5 PARQUE INDUSTRIAL ATITALAQUIA, HIDALGO C.P.
42970 MEXICO
Tel: +52-55-5560-1519
Fax: +52-55-5560-2190
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Tel: +55-11-5574-7949
Fax: +55-11-5572-0052
TAIT R O N CO MPONE TS IN CO R PORATE D, SHAN GH AI REPR E SENTAT I V E O F FICE
CROSS REGION PLAZA, 899 LINGLING ROAD, SUITE 18C, SHANGHAI, 200030, CHINA
Tel: +86-21-5424-9942
Fax: +86-21-5424-9931