Datasheet SF32, SF32-T3, SF32-TB, SF31, SF31-T3 Datasheet (WTE)

WTE

POWER SEMICONDUCTORS

SF31 – SF37

3.0A SUPER-FAST RECTIFIER

Features

!

Diffused Junction

!

Low Forward Voltage Drop

!

High Current Capability A B A

!

High Reliability

!

High Surge Current Capability

Mechanical Data

!

Case: Molded Plastic D

!

Terminals: Plated Leads Solderable per

MIL-STD-202, Method 208

!

Polarity: Cathode Band

!

Weight: 1.2 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 SF31 SF32 SF33 SF34 SF35 SF36 SF37 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 = 3.0A V

= 50°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

@TA=25°C unless otherwise specified

0.95 1.3 1.7 V

DO-201AD

A
B
C
D

All Dimensions in mm

25.4 —

8.50 9.50

1.20 1.30

5.0 5.60

3.0 A

125 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

100 80 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.

SF31 – SF37 1 of 3 © 2002 Won-Top Electronics

4

Single phase half wave

Resistive or Inductive load

3

100

SF31 - SF34

10

SF35 - SF36

2

1

(AV)

I , AVERAGE FWD RECTIFIED CURRENT (A)

0

02550

200

100

75

100 125 150 175

T , AMBIENT TEMPERATURE ( C)

A

°

Fig. 1 Forward Current Derating Curve

8.3ms single half
sine-wave

1.0

0.1

F

I , INSTANTANEOUS FORWARD CURRENT (A)

0.01

0.6 1.0 1.4 1.8

V , INSTANTANEOUS FORWARD VOLTAGE (V)

F

Fig. 2 Typical Forward Characteristics

1000

100

SF31 - SF34

SF35 - SF37

j

C , CAPACITANCE (pF)

SF37

T = 25 C

°

j

Pulse width = 300 s

2% duty cycle

µ

FSM

I , PEAK FORWARD SURGE CURRENT (A)

10

1 10 100

NUMBER OF CYCLES AT 60Hz

Fig. 3 Peak Forward Surge Current

50 NI (Non-inductive)Ω

Device

Under

Test

(+)

50V DC
Approx

(-)

1.0

Ω

NI

Notes:

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

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

10 NIΩ

Oscilloscope

(Note 1)

Fig. 5 Reverse Recovery Time Characteristic and Test Circuit

Generator

(Note 2)

Ω

Ω

(-)

Pulse

(+)

10

1 10 100

V , REVERSE VOLTAGE (V)

R

Fig. 4 Typical Junction Capacitance

t

rr

+0.5A

0A

-0.25A

-1.0A

Settimebasefor5/10ns/cm

SF31 – SF37 2 of 3 © 2002 Won-Top Electronics

ORDERING INFORMA TION

Product No.

!!!!

Package Type Shipping Quantity

SF31-T3 DO-201AD 1200/Tape & Reel

SF31-TB

DO-201AD 1200/T ape & Box
SF31 DO-201AD 500 Units/Box
SF32-T3 DO-201AD 1200/Tape & Reel

SF32-TB

DO-201AD 1200/T ape & Box
SF32 DO-201AD 500 Units/Box
SF33-T3 DO-201AD 1200/Tape & Reel

SF33-TB

DO-201AD 1200/T ape & Box
SF33 DO-201AD 500 Units/Box
SF34-T3 DO-201AD 1200/Tape & Reel

SF34-TB

DO-201AD 1200/T ape & Box
SF34 DO-201AD 500 Units/Box
SF35-T3 DO-201AD 1200/Tape & Reel

SF35-TB

DO-201AD 1200/T ape & Box
SF35 DO-201AD 500 Units/Box
SF36-T3 DO-201AD 1200/Tape & Reel

SF36-TB

DO-201AD 1200/T ape & Box
SF36 DO-201AD 500 Units/Box
SF37-T3 DO-201AD 1200/Tape & Reel

SF37-TB

DO-201AD 1200/T ape & Box
SF37 DO-201AD 500 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.

SF31 – SF37 3 of 3 © 2002 Won-Top Electronics