SF21 – SF27 1 of 4 © 2006 Won-Top Electronics
Pb
SF21 – SF27
2.0A SUPERFAST DIODE
Features
! Diffused Junction
! Low Forward Voltage Drop
! High Current Capability A B A
! High Reliability
! High Surge Current Capability
Mechanical Data C
! Case: DO-15, Molded Plastic D
! Terminals: Plated Leads Solderable per
MIL-STD- 202, Met hod 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
Maximum Ratings and Electrical Characteristics @TA=25°C unless otherwise specified
Single Phase, half wave, 60Hz, resistive or inductive load.
For capaciti ve load, derate current by 20%.
Characteristic Symbol SF21 SF22 SF23 SF24 SF25 SF26 SF27 Unit
Peak Repetit i ve Revers e Voltage
Working Peak Reverse Voltage
DC Blocking Voltage
VRRM
VRWM
VR50 100 150 200 300 400 600 V
RMS Reverse Voltage VR(RMS) 35 70 105 140 210 280 420 V
Average Rectified Output Current
(Note 1) @T
A = 55°C IO2.0 A
Non-Repetiti ve P eak Forward Surge Current 8.3ms
Single half sine-wave superimposed on rated load
(JEDEC Method) IFSM 50 A
Forward Voltage @IF = 2.0A VFM 0.95 1.3 1.7 V
Peak Reverse Current @T
A = 25°C
At Rated DC Blocking Voltage @TA = 100°C IRM 5.0
100 µA
Reverse Recovery Time (Note 2) trr 35 nS
Typi cal Junction Capacitanc e (Note 3) Cj60 30 pF
Operating Temperature Range Tj-65 to +125 °C
Storage Temperature Range TSTG -65 to +150 °C
Note: 1. Leads maintained at ambi ent 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.
WTE
POWER SEMICONDUCTORS
DO-15
Dim Min Max
A25.4 —
B5.50 7.62
C0.71 0.864
D2.60 3.60
All Dimensions in mm
SF21 – SF27 2 of 4 © 2006 Won-Top Electronics
0
0.5
1.0
1.5
2.0
2.5
25 50 75 100 125 150 175 200
I , AVERAGE FWD RECTIFIED CURRENT (A)
(AV)
T , AMBIENT TEMPERATURE ( C)
Fig. 1 Forward Current Derating Curve
A°
Single phase half-wave
60 Hz resistive or inductive load 0.01
1.0
2.0
10
0.6 0.8 1.0 1.2 1.4
I , INSTANTANEOUS FORWARD CURRENT (A)
F
V , INSTANTANEOUS FORWARD VOLTAGE (V)
Fig. 2 Typical Forward Characteristics
F
T = 25 C
j°
Pulse width = 300 sµ
SF21-SF24
SF27
SF25 - SF26
I , PEAK FORWARD SURGE CURRENT (A)
FSM
0
20
40
60
1 10 100
NUMBER OF CYCLES AT 60Hz
Fig. 3 Peak Forward Surge Current
50V DC
Approx
50 NI (Non-inductive)Ω10 NIΩ
1.0
NI
ΩOscilloscope
(Note 1)
Pulse
Generator
(Note 2)
Device
Under
Test
trr
Settimebasefor5/10ns/cm
+0.5A
0A
-0.25A
-1.0A
Notes:
1. Rise Time = 7.0ns max. Input Impedance = 1.0M , 22pF.
2. Rise Time = 10ns max. Input Impedance = 50 .
Ω
Ω
Fig. 5 Reverse Recovery Time Characteristic and Test Circuit
(+)
(+)
(-)
(-)
1
10
100
1 10 100
C , CAPACITANCE (pF)
j
V , REVERSE VOLTAGE (V)
Fig. 4 Typical Junction Capacitance
R
T = 25 C
f = 1.0MHz
j°
SF21-SF24
SF25 -SF27
SF21 – SF27 3 of 4 © 2006 Won-Top Electronics
MARKING INFORMATION
TAPING SPECIFICATIONS
PACKAGING INFORMATION
Packaging Reel Di ameter /
Box Size (mm) Quantity
(PCS) Carton Size
(mm) Quantity
(PCS) Approx. Gross Weight
(KG)
TAPE & REEL 330 4,000 370 x 370 x 420 20,000 12.0
TAPE & BOX 255 x 75 x 150 3,000 400 x 273 x 415 30,000 15.0
BULK 200 x 85 x 25 1,000 459 x 214 x 256 40,000 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.
TAPE & REEL
Cathode = Polarity Band
SF2x = Device Number
x = 1, 2, 3, 4, 5, 6 or 7
WTE = Manufacturer’s Logo
SF2x
WTE
0.8mm
MAX
5mm
1.2mm
MAX
0.8mm
MAX
6mm 52.4mm
Cathode Tape: Red
Anode Tape: White
330mm
Product ID Label
Inspection Hole
(both ends)
80±5mm
TAPE & BOX
255mm
Product ID Label
150mm
75mm
BULK
200mm
85mm
25mm
SF21 – SF27 4 of 4 © 2006 Won-Top Electronics
ORDERING INFORMATION
Product No. Package Type Shipping Quantity
SF21-T3 DO-15 4000/Tape & Reel
SF21-TB DO-15 3000/Tape & Box
SF21 DO-15 1000 Units/Box
SF22-T3 DO-15 4000/Tape & Reel
SF22-TB DO-15 3000/Tape & Box
SF22 DO-15 1000 Units/Box
SF23-T3 DO-15 4000/Tape & Reel
SF23-TB DO-15 3000/Tape & Box
SF23 DO-15 1000 Units/Box
SF24-T3 DO-15 4000/Tape & Reel
SF24-TB DO-15 3000/Tape & Box
SF24 DO-15 1000 Units/Box
SF25-T3 DO-15 4000/Tape & Reel
SF25-TB DO-15 3000/Tape & Box
SF25 DO-15 1000 Units/Box
SF26-T3 DO-15 4000/Tape & Reel
SF26-TB DO-15 3000/Tape & Box
SF26 DO-15 1000 Units/Box
SF27-T3 DO-15 4000/Tape & Reel
SF27-TB DO-15 3000/Tape & Box
SF27 DO-15 1000 Units/Box
1. Products listed in bold are WTE Preferred devices.
2. Shipping quantity given is for minimum packing quantity only. For minimum
order quantity, please consult the Sales Department.
3. 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.
We power your everyday.
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
