WTE
POWER SEMICONDUCTORS
SF21 – SF27
Pb
2.0A SUPERFAST DIODE
Features
!
!
!
!
!
Diffused Junction
Low Forward Voltage Drop
High Current Capability
High Reliability
High Surge Current Capability
A
B
A
Mechanical Data
!
!
!
!
!
!
!
Case: DO-15, Molded Plastic
Terminals: Plated Leads Solderable per
MIL-STD-202, Method 208
Polarity: Cathode Band
Weight: 0.40 grams (approx.)
Mounting Position: Any
Marking: Type Number
Lead Free: For RoHS / Lead Free Version,
Add “-LF” Suffix to Part Number, See Page 4
D
DO-15
Dim
Min
Max
25.4
—
A
5.50
7.62
B
0.71
0.864
C
2.60
3.60
D
All Dimensions in mm
C
Maximum Ratings and Electrical Characteristics
Single Phase, half wave, 60Hz, resistive or inductive load.
For capacitive load, derate current by 20%.
Characteristic
Peak Repetitive Reverse Voltage
Working Peak Reverse Voltage
DC Blocking Voltage
RMS Reverse Voltage
Average Rectified Output Current
(Note 1)
@T
A
= 55°C
Symbol
V
RRM
V
RWM
V
R
V
R(RMS)
I
O
SF21
50
35
@T
A
=25°C unless otherwise specified
SF22
100
70
SF23
150
105
SF24
200
140
2.0
SF25
300
210
SF26
400
280
SF27
600
420
Unit
V
V
A
Non-Repetitive Peak Forward Surge Current 8.3ms
Single half sine-wave superimposed on rated load
(JEDEC Method)
Forward Voltage
Peak Reverse Current
At Rated DC Blocking Voltage
Reverse Recovery Time (Note 2)
Typical Junction Capacitance (Note 3)
Operating Temperature Range
Storage Temperature Range
@I
F
= 2.0A
@T
A
= 25°C
@T
A
= 100°C
I
FSM
V
FM
I
RM
t
rr
C
j
T
j
T
STG
60
0.95
50
1.3
5.0
100
35
30
-65 to +125
-65 to +150
1.7
A
V
µA
nS
pF
°C
°C
Note: 1. Leads maintained at ambient temperature at a distance of 9.5mm from the case
2. Measured with IF = 0.5A, IR = 1.0A, IRR = 0.25A. See figure 5.
3. Measured at 1.0 MHz and applied reverse voltage of 4.0V D.C.
SF21 – SF27
1 of 4
© 2006 Won-Top Electronics
I
(AV)
, AVERAGE FWD RECTIFIED CURRENT (A)
2.0
I
F
, INSTANTANEOUS FORWARD CURRENT (A)
2.5
10
SF21 - SF24
SF25 - SF26
2.0
1.5
1.0
SF27
1.0
0.5
Single phase half-wave
60 Hz resistive or inductive load
0
25
0.01
0.6
0.8
1.0
T
j
= 25
°
C
Pulse width = 300
µ
s
50
75
100
125
150
175
200
1.2
1.4
T
A
, AMBIENT TEMPERATURE (
°
C)
Fig. 1 Forward Current Derating Curve
60
I
FSM
, PEAK FORWARD SURGE CURRENT (A)
100
V
F
, INSTANTANEOUS FORWARD VOLTAGE (V)
Fig. 2 Typical Forward Characteristics
SF21 - SF24
Tj = 25
°
C
f = 1.0MHz
C
j
, CAPACITANCE (pF)
40
SF25 - SF27
10
20
0
1
10
NUMBER OF CYCLES AT 60Hz
Fig. 3 Peak Forward Surge Current
100
1
1
10
V
R
, REVERSE VOLTAGE (V)
Fig. 4 Typical Junction Capacitance
t
rr
+0.5A
50
Ω
NI (Non-inductive)
Device
Under
Test
50V DC
Approx
10
Ω
NI
100
(-)
Pulse
Generator
(Note 2)
(+)
0A
-0.25A
(-)
1.0
Ω
NI
Oscilloscope
(Note 1)
(+)
Notes:
1. Rise Time = 7.0ns max. Input Impedance = 1.0M
Ω
, 22pF.
2. Rise Time = 10ns max. Input Impedance = 50
Ω
.
-1.0A
Set time base for 5/10ns/cm
Fig. 5 Reverse Recovery Time Characteristic and Test Circuit
SF21 – SF27
2 of 4
© 2006 Won-Top Electronics
MARKING INFORMATION
TAPING SPECIFICATIONS
0.8mm
MAX
5mm
SF2x
WTE
Cathode
SF2x
x
WTE
= Polarity Band
= Device Number
= 1, 2, 3, 4, 5, 6 or 7
= Manufacturer’s Logo
1.2mm
MAX
6mm
52.4mm
Cathode Tape: Red
Anode Tape: White
0.8mm
MAX
PACKAGING INFORMATION
TAPE & BOX
TAPE & REEL
Product ID Label
150mm
Inspection Hole
(both ends)
330mm
255mm
75mm
BULK
80±5mm
25mm
200mm
Product ID Label
85mm
Packaging
TAPE & REEL
TAPE & BOX
BULK
Reel Diameter /
Box Size (mm)
330
255 x 75 x 150
200 x 85 x 25
Quantity
(PCS)
4,000
3,000
1,000
Carton Size
(mm)
370 x 370 x 420
400 x 273 x 415
459 x 214 x 256
Quantity
(PCS)
20,000
30,000
40,000
Approx. Gross Weight
(KG)
12.0
15.0
17.5
Note:
1. Paper reel, white or gray color. Core material: plastic or metal.
2. Components are packed in accordance with EIA standard RS-296-E.
SF21 – SF27
3 of 4
© 2006 Won-Top Electronics
ORDERING INFORMATION
Product No.
SF21-T3
SF21-TB
SF21
SF22-T3
SF22-TB
SF22
SF23-T3
SF23-TB
SF23
SF24-T3
SF24-TB
SF24
SF25-T3
SF25-TB
SF25
SF26-T3
SF26-TB
SF26
SF27-T3
SF27-TB
SF27
1.
2.
3.
Package Type
DO-15
DO-15
DO-15
DO-15
DO-15
DO-15
DO-15
DO-15
DO-15
DO-15
DO-15
DO-15
DO-15
DO-15
DO-15
DO-15
DO-15
DO-15
DO-15
DO-15
DO-15
Shipping Quantity
4000/Tape & Reel
3000/Tape & Box
1000 Units/Box
4000/Tape & Reel
3000/Tape & Box
1000 Units/Box
4000/Tape & Reel
3000/Tape & Box
1000 Units/Box
4000/Tape & Reel
3000/Tape & Box
1000 Units/Box
4000/Tape & Reel
3000/Tape & Box
1000 Units/Box
4000/Tape & Reel
3000/Tape & Box
1000 Units/Box
4000/Tape & Reel
3000/Tape & Box
1000 Units/Box
Products listed in
bold
are WTE
Preferred
devices.
Shipping quantity given is for minimum packing quantity only. For minimum
order quantity, please consult the Sales Department.
To order RoHS / Lead Free version (with Lead Free finish), add “-LF” suffix
to part number above. For example, SF21-TB-LF.
Won-Top Electronics Co., Ltd (WTE) has checked all information carefully and believes it to be correct and accurate. However, WTE cannot assume any
responsibility for inaccuracies. Furthermore, this information does not give the purchaser of semiconductor devices any license under patent rights to
manufacturer. WTE reserves the right to change any or all information herein without further notice.
WARNING:
DO NOT USE IN LIFE SUPPORT EQUIPMENT. WTE power semiconductor products are not authorized for use as critical components in life
support devices or systems without the express written approval.
Won-Top Electronics Co., Ltd.
No. 44 Yu Kang North 3rd Road, Chine Chen Dist., Kaohsiung, Taiwan
Phone:
886-7-822-5408 or 886-7-822-5410
Fax:
886-7-822-5417
Email:
sales@wontop.com
Internet:
http://www.wontop.com
We power your everyday.
SF21 – SF27
4 of 4
© 2006 Won-Top Electronics
京公网安备 11010802033920号
Copyright © 2005-2026 EEWORLD.com.cn, Inc. All rights reserved
电子工程世界
