EIC SF24, SF23, SF21, SF26, SF25 Datasheet

SF21 - SF29

SUPER FAST RECTIFIER DIODES

PRV : 50 - 1000 Volts

Io : 2.0 Amperes

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%.

Notes :

UPDATE : MARCH 8, 2002

D2

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

* Case : D2 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 : 0.465 gram

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
Peak Forward Surge Current,

8.3ms Single half sine wave Superimposed
on rated load (JEDEC Method)
Maximum Peak Forward Voltage at IF = 2.0 A. V

Maximum DC Reverse Current
at Rated DC Blocking Voltage
Maximum Reverse Recovery Time ( Note 1 )

Typical Junction Capacitance ( Note 2 ) C
Junction Temperature Range T
Storage Temperature Range T

SYMBOL SF21 SF22 SF23 SF24 SF25 SF26 SF27 SF28 SF29 UNITS

F(AV)

I

RRM
RMS

DC

FSM

R

I

Trr

STG

0.161 (4.1)

0.154 (3.9)

0.034 (0.86)

0.028 (0.71)

1.00 (25.4)
MIN.

0.284 (7.2)

0.268 (6.8)

1.00 (25.4)
MIN.

Dimensions in inches and ( millimeters )

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

2.0

F

J

J

0.95 Volts

5.0 20

- 65 to + 150

- 65 to + 150

1.7

35 ns
50 pf

2.2

Amps.

Amps.75I

µA

°C
°C

( 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

RATING AND CHARACTERISTIC CURVES ( SF21 - SF29 )

+

2.5

60

8.3 ms SINGLE HALF SINE WAVE

+ 0.5 A

0

- 0.25 A

- 1.0 A

1 cm

SF28 - SF29

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

50 Ω 10 Ω

D.U.T.

50 Vdc

(approx)

1 Ω

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.

OSCILLOSCOPE

( NOTE 1 )

PULSE

GENERATOR

( NOTE 2 )

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

75

2.0

15

0.5

CURRENT, AMPERES

AVERAGE FORWARD OUTPUT

60Hz RESISTIVE OR INDUCTIVE LOAD

0

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

AMBIENT TEMPERATURE, ( °C)

CURRENT, AMPERES

PEAK FORWARD SURGE

NUMBER OF CYCLES AT 60Hz

Ta = 50 °C

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

100

SF21 - SF24

10

1.0 1
SF25 - SF27

0.1

FORWARD CURRENT, AMPERES

0.01
0 0.4 0.8 1.2 1.6 2.0 2.4 2.8 3.2 3.6 4.0

Pulse Width = 300 µs

2% Duty Cycle

TJ = 25 °C

100

TJ = 100 °C

10

MICROAMPERES

TJ = 25 °C

REVERSE CURRENT,

0.1
40 60 120

20

PERCENT OF RATED REVERSE

80

VOLTAGE, (%)

100 1400

FORWARD VOLTAGE, VOLTS