EIC SFT4, SFT5, SFT6, SFT7, SFT8 Datasheet

SFT1 - SFT9

SUPER FAST RECTIFIER DIODES

FEATURES :

MECHANICAL DATA :

MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS

Rating at 25

°

C ambient temperature unless otherwise specified.

Single phase, half wave, 60 Hz, resistive or inductive load.

For capacitive load, derate current by 20%.

PRV : 50 - 1000 Volts
Io : 2.5 Amperes

* High current capability
* High surge current capability
* High reliability
* Low reverse current
* Low forward voltage drop
* Super fast recovery time

* Case : D2A Molded plastic
* Epoxy : UL94V-O rate flame retardant
* Lead : Axial lead solderable per MIL-STD-202,
Method 208 guaranteed
* Polarity : Color band denotes cathode end
* Mounting position : Any
* Weight : 0.645 gram

D2A

0.161 (4.1)

0.154 (3.9)

0.040 (1.02)

0.0385 (0.98)

Dimensions in inches and ( millimeters )

1.00 (25.4)
MIN.

0.284 (7.2)

0.268 (6.8)

1.00 (25.4)
MIN.

RATING

Maximum Recurrent Peak Reverse Voltage V
Maximum RMS Voltage V
Maximum DC Blocking Voltage V
Maximum Average Forward Current

0.375"(9.5mm) Lead Length Ta = 55 °C I
Peak Forward Surge Current

8.3 ms. Single half sine wave Superimposed
on rated load (JEDEC Method) I
Maximum Peak Forward Voltage at IF = 2.5 A. V
Maximum DC Reverse Current Ta = 25 °C I
at Rated DC Blocking Voltage Ta = 100 °C I
Maximum Reverse Recovery Time ( Note 1 )
Typical Junction Capacitance ( Note 2 ) C
Junction Temperature Range T
Storage Temperature Range T

SYMBOL SFT1 SFT2 SFT3 SFT4 SFT5 SFT6 SFT7 SFT8 SFT9 UNITS

RRM

RMS

DC

F(AV)

FSM

F

R

R(H)

Trr

J

J

STG

50 100 150 200 300 400 600 800 1000 Volts
35 70 105 140 210 280 420 560 700 Volts
50 100 150 200 300 400 600 800 1000 Volts

Notes :

( 1 ) Reverse Recovery Test Conditions : IF = 0.5 A, IR = 1.0 A, Irr = 0.25 A.
( 2 ) Measured at 1.0 MHz and applied reverse voltage of 4.0 V

DC

2.5 Amps.

100 Amps.

0.95 1.4 1.7 Volts
5

50
35 ns
50 pf

- 65 to + 150

- 65 to + 150

A

µ

A

µ

C

°

C

°

UPDATE : APRIL 23, 1998

RATING AND CHARACTERISTIC CURVES ( SFT1 - SFT9 )

+

2.0

1.5

1.0

0.5

2.5

10

1.0

100

0

07550250.11080

1.0

0.1

100

140

0204060120

AVERAGE FORWARD OUTPUT

REVERSE CURRENT, MICROAMPERES

+ 0.5 A0- 0.25 A

1 cm

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

50

Ω

50 Vdc

(approx)

NOTES : 1. Rise Time = 7 ns max., Input Impedance = 1 megaohm, 22 pF.

2. Rise time = 10 ns max., Source Impedance = 50 ohms.

3. All Resistors = Non-inductive Types.

D.U.T.

1

Ω

10

Ω

PULSE

GENERATOR

( NOTE 2 )

OSCILLOSCOPE

( NOTE 1 )

- 1.0 A

Trr

SET TIME BASE FOR 15 ns/cm

FIG.2 - DERATING CURVE FOR OUTPUT FIG.3 - MAXIMUM NON-REPETITIVE PEAK
RECTIFIED CURRENT FORWARD SURGE CURRENT

125

CURRENT, AMPERES

60Hz RESISTIVE OR INDUCTIVE LOAD

0 25 50 75 100 125 150 175 1 2 4 6 10 20 40 60 100

CURRENT, AMPERES

PEAK FORWARD SURGE

AMBIENT TEMPERATURE, ( °C)

8.3 ms SINGLE HALF SINE WAVE
Ta = 50 °C

NUMBER OF CYCLES AT 60Hz

FIG.4 - TYPICAL FORWARD CHARACTERISTICS FIG.5 - TYPICAL REVERSE CHARACTERISTICS

100

FORWARD CURRENT, AMPERES

0.01
0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0

Pulse Width = 300 µs

2% Duty Cycle

TJ = 25 °C

SFT1 - SFT4

SFT7 - SFT9

FORWARD VOLTAGE, VOLTS

TJ = 100 °C

SFT5 - SFT6

TJ = 25 °C

0.01

PERCENT OF RATED REVERSE

VOLTAGE, (%)