Datasheet

UNISONIC TECHNOLOGIES CO., LTD
SF56G
DIODE
GLASS PASSIVATED SUPER
FAST RECOVERY RECTIFIER

1
DESCRIPTION
The UTC SF56G is a glass passivated super fast rectifier, it uses
UTC’s advanced technology to provide customers with high surge
current and low forward voltage drop, etc.

FEATURES
* Low forward voltage drop
* High surge current capability
* High current capability
* High reliability

SYMBOL

ORDERING INFORMATION
Ordering Number
Lead Free
Halogen Free
SF56GL-Z21D-B
SF56GP-Z21D-B
Note: Pin Assignment: A: Anode
K: Cathode

2
Package
DO-201AD
Pin Assignment
1
2
K
A
DO-201AD
Packing
Tape Box
MARKING
Cathode Band for uni-directional Only
SF56G
L: Lead Free
P: Halogen Free
Date Code
www.unisonic.com.tw
Copyright © 2015 Unisonic Technologies Co., Ltd
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SF56G

DIODE
ABSOLUTE MAXIMUM RATINGS
Ratings at 25°C ambient temperature unless otherwise specified.
Single phase half-wave 60Hz, resistive or inductive load, for capacitive load current derate by 20%.
PARAMETER
SYMBOL
RATINGS
UNIT
Working Peak Reverse Voltage
VRWM
400
V
Repetitive Peak Reverse Voltage
VRRM
400
V
Maximum RMS Reverse Voltage
VRMS
280
V
DC Blocking Voltage
VR
400
V
Average Rectified Output Current (TA=55°C)
IO
5.0
A
Peak Forward Surge Current 8.3ms Single Half
IFSM
150
A
Sine-Wave Superimposed on Rated Load
Junction Temperature
TJ
-55~+150
°C
Storage Temperature
TSTG
-55~+150
°C
Note: Absolute maximum ratings are those values beyond which the device could be permanently damaged.
Absolute maximum ratings are stress ratings only and functional device operation is not implied.

THERMAL DATA
PARAMETER
Junction to Ambient (Note 2)

SYMBOL
θJA
RATINGS
30
UNIT
°C/W
ELECTRICAL CHARACTERISTICS
Ratings at 25°C ambient temperature unless otherwise specified.
Single phase half-wave 60Hz, resistive or inductive load, for capacitive load current derate by 20%.
PARAMETER
SYMBOL
TEST CONDITIONS MIN TYP MAX UNIT
Instantaneous Forward Voltage
VFM
IF=5.0A
1.25 V
DC Reverse Current at Rated DC Blocking Voltage
IRM
TA=25°C
5.0 μA
IF=0.5A, IR=1.0A,
35
ns
Reverse Recovery Time
trr
Irr=0.25A
Junction Capacitance (Note 1)
CJ
50
pF
Notes: 1. Measured at 1MHz and applied reverse voltage of 4.0V D.C.
2. Thermal resistance from junction to ambient at 0.375” (9.5mm) lead length, P.C.B. mounted.
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
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QW-R601-257.C
SF56G
TYPICAL CHARACTERISTICS
Average Forward Current (A)

DIODE
Maximum Non-repetitive Peak
Forward Surge Current
5.0
Peak Forward Surge Current, IFSM (A)
Average Forward Rectified Current, IO (A)
Forward Current Derating Curve
4.0
3.0
2.0
Single Phase Half Wave
60Hz Resistive or inductive
1.0
0.0
0
25
50
75
100
150
125
150
125
100
75
50
25
0
175
0
1
2
Lead Temperature (°C)
4
5
6
7
8
9
10
Number of Cycles at 60Hz
Typical Instantaneous Forward Characteristics
Typical Reverse Characteristics
1000
10
100
Instantaneous Forward Current (A)
Nstantaneous Reverse Current (μA)
3
10
TJ=100°C
1
0.1
TJ=25°C
0.01
0
20
40
60
80
100
Percent of Peak Reverse Voltage (%)
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
400V
1
0.1
TJ=25°C
Pulse Width=300s
1% Duty Cycle
0.01
0.2
0.4
0.6
0.8
1.0
1.2
1.4
1.8
1.6
2.0
Instantaneous Forward Voltage, VFM (V)
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SF56G
DIODE
TYPICAL CHARACTERISTICS(Cont.)

Typical Junction Capacitance
Junction Capacitance, CJ (pF)
1000
100
TJ=25°C
400V
10
1
0.1
1.0
10
100
Reverse voltage (V)
UTC assumes no responsibility for equipment failures that result from using products at values that
exceed, even momentarily, rated values (such as maximum ratings, operating condition ranges, or
other parameters) listed in products specifications of any and all UTC products described or contained
herein. UTC products are not designed for use in life support appliances, devices or systems where
malfunction of these products can be reasonably expected to result in personal injury. Reproduction in
whole or in part is prohibited without the prior written consent of the copyright owner. The information
presented in this document does not form part of any quotation or contract, is believed to be accurate
and reliable and may be changed without notice.
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
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QW-R601-257.C
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