EIC 11DF3, 11DF4 Service Manual

11DF3 - 11DF4

ULTRA FAST

RECTIFIER DIODES

PRV : 300 - 400 Volts

Io : 1.0 Ampere

FEATURES :

* High current capability

* High surge current capability

* High reliability

* Low reverse current

* Low forward voltage drop

* Superfast recovery time

MECHANICAL DATA :

* Case : DO-41 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 : 0.339 gram

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%.

DO - 41

Dimensions in inches and ( millimeters )

0.107 (2.7)

0.080 (2.0)

* Pb / RoHS Free

0.034 (0.86)

0.028 (0.71)

RATING

Maximum Recurrent Peak Reverse Voltage
Maximum RMS Voltage
Maximum DC Blocking Voltage
Maximum Average Forward Current Ta = 57 °C

Maximum Peak Forward Surge Current,

8.3ms Single half sine wave
Superimposed on rated load (JEDEC Method)

Maximum Peak Forward Voltage at IF = 1.0 A VF
Maximum DC Reverse Current at VRRM IR
Maximum Reverse Recovery Time ( Note 1 ) Trr 35 ns
Junction Temperature Range
Storage Temperature Range

SYMBOL 11DF3 11DF4 UNIT

VRRM
VRMS

VDC

IF(AV)

IFSM

TJ

TSTG

300 400 V
210 280 V
300 400 V

1.25 V

- 65 to + 150

- 65 to + 150

1.00 (25.4)
MIN.

0.205 (5.2)

0.166 (4.2)

1.00 (25.4)
MIN.

1.0 A

30 A

10

µA

°C
°C

Note:

( 1 ) Reverse Recovery Test Conditions : IF = 0.5 A, IR = 1.0 A, Irr = 0.25 A.

Page 1 of 2 Rev. 02 : March 25, 2005

RATING AND CHARACTERISTIC CURVES ( 11DF3 - 11DF4 )

+

FORWARD VOLTAGE, VOLTS

0.0

+ 0.5 0- 0.25

- 1.0 A

1 cm

120

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

1.0

0.8

0.6

0.4

0.2

CURRENT, AMPERES

AVERAGE FORWARD OUTPUT

0

0 25 50 75 100 125 150 175 1 2 4 6 10 20 40 60100

AMBIENT TEMPERATURE, ( °C)

30

24

18

12

CURRENT, AMPERES

6.0

PEAK FORWARD SURGE

0

8.3 ms SINGLE HALF SINE WAVE
Ta = 40 °C

NUMBER OF CYCLES AT 60Hz

Page 2 of 2 Rev. 02 : March 25, 2005

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

10

1.0

0.1

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

TJ = 25 °C

TJ = 100 °C

MICROAMPERES

TJ = 25 °C

REVERSE CURRENT,

80

0

40 60

20

100

140

PERCENT OF RATED REVERSE

VOLTAGE, (%)