MAXIMUMRATINGS&ELECTRICAL CHARACTERISTICS

MECHANICAL DATA

FEATURES

DataSheetNo.SESA-401-1C

MECHANICAL SPECIFICATION

4 AMP ULTRAFASTRECOVERY DIODES

Case: JEDEC DO-27 molded epoxy (U/L Flammability Rating 94V-0)

Terminals: Plated axial leads

Solderability: Per MIL-STD 202 Method 208 guaranteed

Polarity: Color band denotes cathode

Mounting Position: Any

Weight: 0.04 Ounces (1.12 Grams)

C11

Ratings at 25 °C ambient temperature unless otherwise specified.

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

For capacitive loads, derate current by 20%.

Average Forward Rectified Current @ T = (as shown)

A

PARAMETER(TESTCONDITIONS)

Maximum DC Blocking Voltage

Peak Forward Surge Current ( 8.3mS single half sine wave

superimposed on rated load)

Maximum Forward Voltage at:

Maximum Peak Recurrent Reverse Voltage

Maximum RMS Voltage

Series Number

SYMBOL

RATINGS

VOLTS

AMPS

UNITS

VOLTS

200

ColorBand

Denotes

Cathode

LD(Dia)

BD(Dia)

LL

BL

LL

1.20

1.25

ACTUAL SIZE OF

DO-27 PACKAGE

Sym

In

mm

Minimum

Maximum

BL

BD

LL

LD

1.00

0.048

In

mm

0.365

0.205

0.052

9.28

5.2

1.3

25.4

1.2

UFR UFR

UFR

UFR UFR UFR

UFR UFR

UFR

401 402 403 404 406 408 409 410

50

50

100

100

200

200

300

300

400

400

35

70 140 210 280

600

600

800

800

900

900

1000

1000

420 560 630 700

@T =80 C

A

o

@T =55 C

A

o

1.70

1.85

400

SERIESUFR400-UFR410

DO-27

4

4

Typical Thermal Resistance:

Maximum Average DC Reverse Current

At Rated DC Blocking Voltage

°C/W

mA

@ T = 25 C

J

o

@ T = 125 C

J

o

10

50

5

50

7.5

18.0

(1) Measured at 1MHz and an applied reverse voltage of 4 volts.

Junction Operating and Storage Temperature Range

°C

Typical Junction Capacitance (Note 1)

pF

-65 to +175

3.01 ufr400

NOTES:

Maximum Reverse Recovery Time (I =0.5A, I =1A, I

=0.25A)

F

R

RR

nSec

50

60

75

45

3-Amps DC

4-Amps DC

Junction to Lead

Junction to Air

Tel.:(310)767-1052Fax:(310)767-7958

DIOTECELECTRONICSCORP.

Gardena,CA 90248U.S.A

18020HobartBlvd.,UnitB

LOWSWITCHINGNOISE

LOWTHERMAL RESISTANCE

HIGHSWITCHINGCAPABILITY

LOWFORWARDVOLTAGEDROP

R

PROPRIETARY

JUNCTION

PASSIVATIONFORSUPERIORRELIABILITY AND

PERFORMANCE

SOFTGLASS

VOIDFREEVACUUMDIESOLDERINGFORMAXIMUM

MECHANICAL STRENGTH ANDHEATDISSIPATION

(SolderVoids:Typical<2%,Max.<10%ofDie Area)

RoHSCO

MPLIANT