COMCHIP CURA101, CURA102, CURA103, CURA104, CURA105 User Manual

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SMD Ultra Fast Recovery RectifierSMD Ultra Fast Recovery Rectifier

CURA101 Thru CURA107

Reverse Voltage: 50 - 1000 Volts
Forward Current: 1.0 Amp

Features

Ideal for surface mount applications
Easy pick and place
Plastic package has Underwriters Lab.

flammability classification 94V-0
Ultra fast recovery time: 50 - 75 nS
Low leakage current

Mechanical data

Case: Mini SMA/SOD-123 molded plastic
Terminals: solderable per MIL-STD-750,

method 2026

Polarity: Color band denotes cathode

end
Mounting position: Any
Approx. Weight:0.063 gram

0.067(1.70)

0.051(1.29)

0.091(2.31)

0.067(1.70)

0.059(1.50)

0.035(0.89)

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DO-214AC (SMA)

0.180(4.57)

0.160(4.06)

0.209(5.31)

0.185(4.70)

Dimensions in inches and (millimeters)

0.110(2.79)

0.086(2.18)

0.012(0.31)

0.006(0.15)

0.008(0.20)

0.004(0.10)

Maximum Ratings and Electrical Characterics

Parameter

Max. Repetitive Peak Reverse Voltage

Max. DC Blocking Voltage

Max. RMS Voltage

Peak Surge Forward Current

8.3ms single half sine-wave
superimposed on rate load
( JEDEC method )

Max. Average Forward Current

Max. Instantaneous Forward Current
at 1.0 A

Reverse recovery time

Max. DC Reverse Current at Rated DC
Blocking Voltage Ta=25
Ta=100

Max. Thermal Resistance (Note 1)

Operating Junction Temperature

Storage Temperature

C

C

Symbol

VRRM

VDC

VRMS

IFSM

I o

V F

Trr

I R

R JA

T j

TSTG

CURA
101

50

50

35

CURA
102

100

100

70

1.0

CURA
103

200

200

140

CURA
104

400

400

280

30

1.0

1.3

5.0
50

42

-55 to +150

-55 to +150

CURA
105

600

600

420

CURA
106

800

800

560

1.7

75 50

CURA
107

1000

1000

700

Unit

V

V

V

A

A

V

nS

uA

C/W

C

C

Note 1: Thermal resistance from junction to ambient.

MDS0208019B

Page 1

SMD Ultra Fast Recovery RectifierSMD Ultra Fast Recovery Rectifier

Rating and Characteristic Curves (CURA101 Thru CURA107)

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Fig. 1 - Reverse Characteristics

1000

Tj=125 C

100

10

Reverse Current ( uA )

1.0

Tj=25 C

0.1
0 20 40 60 80 100 120 140

Percent of Rated Peak Reverse Voltage (%)

Fig. 3 - Junction Capacitance

175

120

100

80

60

40

Junction Capacitance (pF)

20

0

0.01 0.1 1.0 10 100

=1MHz and applied
4VDC reverse voltage

Fig.2 - Forward Characteristics

10

1.0

0.1

Forward Current ( A )

0.01

0.001

0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0 2.2 2.4

03

1

-

01

A1

CUR

RA104

CU

05

1

A

7

0

-1

Tj=25 C
Pulse width 300uS
4% duty cycle

UR

C

Forward Voltage (V)

Fig. 4 - Non Repetitive Forward
Surge Current

30

24

18

12

Peak surge Forward Current ( A )

6

0

1 5 10 50 1 00

8.3mS Single Half Sine
Wave JEDEC methode

Tj=25 C

Reverse Voltage (V)

Fig. 5 - Test Circuit Diagram and Reverse Recovery Time Characteristics

50

W

NONINDUCTIVE

(+)

25Vdc
(approx.)

( )

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

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

D.U.T.

1

W

NON­INDUCTIVE

W

10
NONINDUCTIVE

OSCILLISCOPE
(NOTE 1)

MDS0208019B

( )

PULSE
GENERATOR
(NOTE 2)

(+)

+0.5A

0

-0.25A

-1.0A

trr

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1cm

SET TIME BASE FOR

50 / 10ns / cm

Number of Cycles at 60Hz

Fig. 6 - Current Derating Curve

1.4

1.2

1.0

0.8

0.6

Single Phase

0.4

Half Wave 60Hz

0.2

Average Forward Current ( A )

0

0 25 50 75 100 125 150 175

Ambient Temperature ( C)

Page 2