Datasheet SF18G Specification

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SF11 THRU SF18

1.0 AMP. Super Fast Rectifiers

Features

Low forward voltage drop

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High current capability

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High reliability

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High surge current capability

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Mechanical Data

Cases: Molded plastic

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Epoxy: UL 94V-O rate flame retardant

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Lead: Axial leads, solderable per

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MIL-STD-202, Method 208 guaranteed
Polarit

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 High temperature soldering guaranteed:

260

: Color band denotes cathode end

o

C/10 seconds/.375”,(9.5mm) lead

lengths at 5 lbs., (2.3kg) tension

Weight: 0.34 gram

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Dimensions in inches and (millimeters)

Maximum Ratings and Electrical Characteristics

Rating at 25℃ambient temperature unless otherwise specified.
Single phase, half wave, 60 Hz, resistive or inductive load.

For capacitive load, derate current by 20%

Type Number

Maximum Recurrent Peak Reverse Voltage
Maximum RMS Voltage
Maximum DC Blocking Voltage
Maximum Average Forward Rectified

Current .375 (9.5mm) Lead Length
@T

= 55℃

A

Peak Forward Surge Current, 8.3 ms Single
Half Sine-wave Superimposed on Rated
Load (JEDEC method )
Maximum Instantaneous Forward Voltage
@ 1.0A
Maximum DC Reverse Current @ TA=25℃

at Rated DC Blocking Voltage @ T
Maximum Reverse Recovery Time (Note 1)
Typical Junction Capacitance (Note 2)
Typical Thermal Resistance (Note 3)
Operating Temperature Range T
Storage Temperature Range T

Notes: 1. Reverse Recovery Test Conditions: IF=0.5A, IR=1.0A, IRR=0.25A

2. Measured at 1 MHz and Applied Reverse Voltage of 4.0 V D.C.

3. Mount on Cu-Pad Size 5mm x 5mm on PCB.

=100℃

A

Symbol

V

RRM

V

RMS

VDC
I

(AV)

I

FSM

VF

IR

Trr

Cj

θ

R

JA

J

STG

SF

SF 12SF

11

13

50 100 150 200 300 400 500 600 V
35 70 105 140 210 280 350 420 V
50 100 150 200 300 400 500 600 V

0.95 1.3 1.7 V

30 15 pF

Voltage Range
50 to 600 Volts

Current

1.0 Ampere

DO-41

SF

SF

14

15

1.0 A

30 A

5.0

100

35 nS
70

-65 to +125

-65 to +150

SF 16SF

17

SF

18

Units

uA
uA

℃/W

℃

℃

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RATINGS AND CHARACTERISTIC CURVES (SF11 THRU SF18)

FIG.1- REVERSE RECOVERY TIME CHARACTERISTIC AND TEST CIRCUIT DIAGRAM

50W
NONINDUCTIVE

(+)
50Vdc
(approx)
(-)

NOTES: 1. Rise Time=7ns max. Input Impedance=

FIG.3- TYPICAL REVERSE CHARACTERISTICS

1000

100

10

1

INSTANTANEOUS REVERSE CURRENT.( A)

.1

0

10W
NONINDUCTIVE

DUT

1W

NON
INDUCTIVE

1 megohm 22pf

2. Rise Time=10ns max. Sourse Impedance=
50 ohms

20 40 60 80 100 120

PERCENT OF RATED PEAK REVERSE VOLTAGE. (%)

OSCILLOSCOPE
(NOTE 1)

Tj=100 C

0

Tj=25 C

0

PULSE
GENERATOR
(NOTE 2)

+0.5A

(-)

-0.25A

(+)

-1.0A

trr

0

1cm

SET TIME BASE FOR
5/ 10ns/ cm

FIG.4- TYPICAL FORWARD CHARACTERISTICS

100.0

10.0

1.0

0.1

INSTANTANEOUS FORWARD CURRENT. (A)

.01

.4 .6 .8 1.0 1.2 1.4 1.6 1.8

FIG.2- MAXIMUM AVERAGE
FORWARD CURRENT DERATING

1.5

1.0

0.5

0

AVERAGE FORWARD CURRENT. (A)

25 50 75 100 125 150 175

AMBIENT TEMPERATURE. ( C)

SF11~SF14

SF15~SF16

SF17~SF18

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Tj=25 C
Pulse Width=300 s
1% Duty Cycle

FORWARD VOLTAGE. (V)

Single Phase
Half Wave 60Hz
Resistive or
Inductive Load

0.375" (9.5mm)
Lead Length

o

FIG.5- MAXIMUM NON-REPETITIVE FORWARD

SURGE CURRENT

30

25

20

10

5

PEAK FORWARD SURGE CURRENT. (A)

1

2 5 10 20 10050

NUMBER OF CYCLES AT60Hz

8.3ms Single Half Sine Wave
JEDEC Method

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FIG.6- TYPICAL JUNCTION CAPACITANCE

140

120

100

80

60

40

JUNCTION CAPACITANCE.(pF)

20

.1 .5 1 52 10 20 50 100 200 500 1000

SF15~S

SF11~SF14

F18

REVERSE VOLTAGE. (V)