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SFR1020 Datasheet Preview

SFR1020 Datasheet

ULTRA-FAST RECOVERY RECTIFIER DIODES

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UTC SFR1020
ULTRA-FAST RECOVERY RECTIFIER DIODES
DESCRIPTION
SFR1020 is dual center tap rectifier suited for high
frequency Switching Mode Power Supplies applications.
FEATURES
* HIGH SURGE CURRENT CAPABILITY
* SUITED FOR SMPS, DC ~ DC CONVERTERS
* LOW FORWARD AND REVERSE RECOVERY TIME
* LOW LOSSES
CONNECTION DIAGRAM
A1
K
A2
DIODE
1
TO-220
1: A1 2: K 3: A2
*Pb-free plating product number: SFR1020L
UTC UNISONIC TECHNOLOGIES CO., LTD.
www.unisonic.com.tw
1
QW-R601-004,A



UTC
UTC

SFR1020 Datasheet Preview

SFR1020 Datasheet

ULTRA-FAST RECOVERY RECTIFIER DIODES

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SFR1020 pdf
UTC SFR1020
ABSOLUTE MAXIMUM RATINGS
(limiting values, per diode)
PARAMETER
Repetitive peak reverse voltage
RMS forward current
Average forward current δ= 0.5
TC=125(Per diode)
Surge non repetitive forward current
tp=10ms sinusoidal
Storage temperature range
SYMBOL
VRRM
IF(RMS)
IF(AV)
IFSM
Tstg
RATINGS
200
10
5
50
-60 ~ +150
DIODE
UNIT
V
A
A
A
ELECTRICAL CHARACTERISTICS
(per diode)
PARAMETER
SYMBOL
TEST CONDITONS
MIN TYP
Reverse leakage current
IR *
Tj = 25
Tj = 100
VR = VRRM
Tj = 125
IF= 5 A
0.8
Forward voltage drop
VF **
Tj = 125
IF= 10 A
0.95
Tj = 25
IF = 10 A
* tp = 5 ms, δ< 2 %
** tp = 380 µs, δ< 2 %
To evaluate the conduction losses use the following equation: P = 0.78× IF(AV) + 0.042 × IF2(RMS)
RECOVERY CHARACTERISTICS
PARAMETER
Reverse recovery time
Formard recovery time
SYMBOL
trr
tfr
VFP
TEST CONDITIONS
Tj = 25, IF = 0.5A , Irr = 0.25A , IR = 1A
Tj = 25, IF= 1A, dIF/dt = 50 A/µs
VFR = 1.1×VF max
Tj = 25, IF= 1A, dIF/dt = 50 A/µs
MIN TYP
20
3
THERMAL RESISTANCES
PARAMETER
SYMBOL
Junction to case
Per diode
Total
Rth (j-c)
Coupling
Rth (c)
When diodes 1 and 2 are used simultaneously :
Tj (diode 1) = P(diode 1)×Rth(j-c)(Per diode) + P(diode 2) × Rth(c)
RATINGS
4.0
2.4
0.7
MAX
50
0.6
0.99
1.20
1.25
UNIT
µA
mA
V
MAX
30
UNIT
ns
ns
V
UNIT
/W
UTC UNISONIC TECHNOLOGIES CO., LTD.
www.unisonic.com.tw
2
QW-R601-004,A


Part Number SFR1020
Description ULTRA-FAST RECOVERY RECTIFIER DIODES
Maker UTC
Total Page 4 Pages
PDF Download
SFR1020 pdf
SFR1020 Datasheet PDF
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