Datasheet SF22, SF21-T3, SF21-TB, SF22-T3, SF22-TB Datasheet (WTE)

WTE

POWER SEMICONDUCTORS

SF21 – SF27

2.0A SUPER-FAST RECTIFIER

Features

!

Diffused Junction

!

Low Forward Voltage Drop

!

High Current Capability A B A

!

High Reliability

!

High Surge Current Capability

Mechanical Data

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Case: Molded Plastic D

!

Terminals: Plated Leads Solderable per

MIL-STD-202, Method 208

!

Polarity: Cathode Band

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Weight: 0.40 grams (approx.)

!

Mounting Position: Any

!

Marking: Type Number

Maximum Ratings and Electrical Characteristics

Single Phase, half wave, 60Hz, resistive or inductive load.
For capacitive load, derate current by 20%.

Characteristic Symbol SF21 SF22 SF23 SF24 SF25 SF26 SF27 Unit

Peak Repetitive Reverse Voltage
Working Peak Reverse Voltage
DC Blocking Voltage

RMS Reverse Voltage V
Average Rectified Output Current

(Note 1) @T
Non-Repetitive Peak Forward Surge Current 8.3ms

Single half sine-wave superimposed on rated load
(JEDEC Method)

Forward Voltage @IF = 2.0A V

= 55°C

A

RRM

V

RWM

V

R

V

R(RMS)

O

I

FSM

I

FM

50 100 150 200 300 400 600 V

35 70 105 140 210 280 420 V

Dim Min Max

A
B
C
D

All Dimensions in mm

@TA=25°C unless otherwise specified

0.95 1.3 1.7 V

DO-15

25.4 —

5.50 7.62

0.71 0.864

2.60 3.60

2.0 A

50 A

C

Peak Reverse Current @TA = 25°C
At Rated DC Blocking Voltage @T

Reverse Recovery Time (Note 2) t
Typical Junction Capacitance (Note 3) C
Operating Temperature Range T
Storage Temperature Range T

= 100°C

A

I

RM

rr

STG

j

j

60 30 pF

5.0

100

35 nS

-65 to +125 °C

-65 to +150 °C

µA

*Glass passivated forms are available upon request

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 3 © 2002 Won-Top Electronics

2.5

10

(AV)

I , AVERAGE FWD RECTIFIED CURRENT (A)

2.0

1.5

1.0

0.5

Single phase half-wave

60 Hz resistive or inductive load

0

25 50

T , AMBIENT TEMPERATURE ( C)

Fig. 1 Forward Current Derating Curve

60

40

SF21-SF24

SF25 - SF26

2.0

1.0

SF27

T = 25 C

°

F

I , INSTANTANEOUS FORWARD CURRENT (A)

0.01

75

100 125 150 175 200

A

°

0.6 0.8 1.0 1.2 1.4

V , INSTANTANEOUS FORWARD VOLTAGE (V)

F

j

Pulse width = 300 sµ

Fig. 2 Typical Forward Characteristics

100

SF21-SF24

SF25 -SF27

T = 25 C

°

j

f = 1.0MHz

20

FSM

I , PEAK FORWARD SURGE CURRENT (A)

0

1 10 100

NUMBER OF CYCLES AT 60Hz

Fig. 3 Peak Forward Surge Current

50 NI (Non-inductive)Ω

Device

Under

Test

10 NIΩ

(+)

50V DC
Approx

(-)

1.0

Ω

Oscilloscope

NI

(Note 1)

(-)

Pulse

Generator

(Note 2)

(+)

10

j

C , CAPACITANCE (pF)

1

1 10 100

V , REVERSE VOLTAGE (V)

R

Fig. 4 Typical Junction Capacitance

t

rr

+0.5A

0A

-0.25A

Notes:

1. Rise Time = 7.0ns max. Input Impedance = 1.0M , 22pF.

2. Rise Time = 10ns max. Input Impedance = 50 .

Ω

Ω

-1.0A

Settimebasefor5/10ns/cm

Fig. 5 Reverse Recovery Time Characteristic and Test Circuit

SF21 – SF27 2 of 3 © 2002 Won-Top Electronics

ORDERING INFORMA TION

Product No.

!!!!

Package Type Shipping Quantity

SF21-T3 DO-15 4000/Tape & Reel

SF21-TB

DO-15 3000/T ape & Box
SF21 DO-15 1000 Units/Box
SF22-T3 DO-15 4000/Tape & Reel

SF22-TB

DO-15 3000/T ape & Box
SF22 DO-15 1000 Units/Box
SF23-T3 DO-15 4000/Tape & Reel

SF23-TB

DO-15 3000/T ape & Box
SF23 DO-15 1000 Units/Box
SF24-T3 DO-15 4000/Tape & Reel

SF24-TB

DO-15 3000/T ape & Box
SF24 DO-15 1000 Units/Box
SF25-T3 DO-15 4000/Tape & Reel

SF25-TB

DO-15 3000/T ape & Box
SF25 DO-15 1000 Units/Box
SF26-T3 DO-15 4000/Tape & Reel

SF26-TB

DO-15 3000/T ape & Box
SF26 DO-15 1000 Units/Box
SF27-T3 DO-15 4000/Tape & Reel

SF27-TB

DO-15 3000/T ape & Box
SF27 DO-15 1000 Units/Box

Products listed in

!

T3 suffix refers to a 13” reel. TB suffix refers to Ammo Pack.
Shipping quantity given is for minimum packing quantity only. For minimum order
quantity, please consult the Sales Department.

bold

are WTE

Preferred

devices.

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

support devices or systems without the express written approval.

: DO NOT USE IN LIFE SUPPORT EQUIPMENT. WTE power semiconductor products are not authorized for use as critical components in life

Won-Top Electronics Co., Ltd.

No. 44 Yu Kang North 3rd Road, Chine Chen Dist., Kaohsiung, Taiwan

886-7-822-5408 or 886-7-822-5410

Phone:

886-7-822-5417

Fax:

[e-mail]

Email:
Internet:

http://www.wontop.com

We power your everyday.

SF21 – SF27 3 of 3 © 2002 Won-Top Electronics