STMICROELECTRONICS PFR851

PFR850→856
®
FAST RECOVERY RECTIFIER DIODE
PRELIMINARY DATASHEET
LOW FORWARD VOLTAGE DROP
HIGH SURGE CURRENT CAPABILITY
APPLICATIONS
AC-DC POWER SUPPLIES AND
CONVERTERS
FREE WHEELING DIODES, etc.
DESCRIPTION
Their high efficiency and high reliability combined
with small size and low cost make these fast recovery rectifier diode very attractive components for
many demanding applications.
DO-201AD
(Plastic)
ABSOLUTE RATINGS (limiting values)
Symbol
Parameter
Value
Unit
IFRM
Repetive peak forward current
tp < 20µs
100
A
IF (AV)
Average forward current*
Ta = 90°C
δ = 0.5
3
A
IFSM
Surge non repetitive forward current
tp = 10ms
Sinusoidal
100
A
Ptot
Power dissipation *
Ta = 90°C
3.5
W
Tstg
Tj
Storage and junction temperature range
- 40 to + 175
- 40 to + 175
°C
TL
Maximum lead temperature for soldering during 10s at
4mn from case
230
°C
Symbol
PFR
Parameter
Unit
850
851
852
854
856
VRRM
Repetitive peak revrse voltage
50
100
200
400
600
V
VRSM
Non repetitive peak reverse voltage
75
150
250
450
650
V
August 1998 - Ed: 2A
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PFR850 -> 856
THERMAL RESISTANCE
Symbol
Rth (j - a)
Parameter
Junction-ambient*
Value
Unit
25
°C/W
* On infinite heatsink with 10mm lead lengh.
STATIC ELECTRICAL CHARACTERISTICS
Synbol
IR
Test Conditions
Tj = 25°C
Min.
Typ.
VR = VRRM
Tj = 100°C
VF
Tj = 25°C
Max.
Unit
10
µA
250
IF = 3A
1.25
V
Max.
Unit
PRF 850→854
150
ns
PRF 856
200
RECOVERY CHARACTERISTICS
Symbol
trr
IRM
2/3
Test Conditions
Tj = 25°C
IF = 1A
VR = 30V
diF/dt = - 25A/µs
Tj = 25°C
IF = 1A
VR = 30V
diF/dt = -25A/µs
Min.
Typ.
2
A
PFR850 -> 856
PACKAGE MECHANICAL DATA
DO-201AD (Plastic)
B
A
note 1
E
B
E
ØD
ØC
note 1
ØD
note 2
DIMENSIONS
REF.
Millimeters
Min.
A
B
Max.
Min.
9.50
25.40
NOTES
Inches
Max.
0.374
1.000
∅C
5.30
0.209
∅D
1.30
0.051
E
1.25
0.049
1 - The lead diameter ∅ D is not controlled over zone E
2 - The minimum axial lengh within which the device may be
placed with its leads bent at right angles is 0.59"(15 mm)
Marking: type number, white band indicate cathode
Cooling method: by convection (method A)
Weight: 1g
Date code
Information furnished is believed to be accurate and reliable. However, STMicroelectronics assumes no responsIbility for the consequences of
use of such information nor for any infringement of patents or other rights of third parties which may result from its use. No license is granted by
implication or otherwise under any patent or patent rights of STMicroelectronics. Specifications mentioned in this publication are subject to
change without notice. This publication supersedes and replaces all information previously supplied.
STMicroelectronics products are not authorized for use as critical components in life support devices or systems without express written approval of STMicroelectronics.
The ST logo is a registered trademark of STMicroelectronics
© 1998 STMicroelectronics - Printed in Italy - All rights reserved.
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