General Semiconductor MBRF750, MBRF760, MBRF735, MBRF745 Datasheet

MBRF735 THRU MBRF760

SCHOTTKY ISOLATED PLASTIC RECTIFIER

Reverse Voltage - 35 to 60 Volts Forward Current - 7.5 Amperes

FEATURES

¨ Isolated plastic package has Underwriters Laboratory

Flammability Classifications 94V-0

¨ Metal to silicon rectifier,

majority carrier conduction

¨ Low power loss, high efficiency
¨ High current capability, low forward

voltage drop

¨ High surge capability
¨ For use in low voltage, high frequency inverters,

free wheeling, and polarity protection applications

¨ Guardring for overvoltage protection
¨ High temperature soldering guaranteed:

250¡C/10 seconds, 0.25" (6.35mm) from case

MECHANICAL DATA

Case: JEDEC ITO-220AC fully overmolded plastic body
Terminals: Lead solderable per MIL-STD-750, Method 2026
Polarity: As marked
Mounting Position: Any
Mounting Torque: 5 in. - lbs. max.
Weight: 0.08 ounces, 2.24 grams

MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS

Ratings at 25¡C ambient temperature unless otherwise specified.

SYMBOLS MBRF735 MBRF745 MBRF50 MBRF760 UNITS

Maximum repetitive peak reverse voltage V

RRM

35 45 50 60 Volts

Maximum working peak reverse voltage V

RWM

35 45 50 60 Volts

Maximum DC blocking voltage V

DC

35 45 50 60 Volts

Maximum average forward rectified current

(SEE FIG 1)

I

(AV)

7.5 Amps

Peak repetitive forward current (square wave, 20 KH

Z

)

at TC=105¡C

I

FRM

15.0 Amps

Peak forward surge current, 8.3ms single half sine­wave superimposed on rated load (JEDEC Method)

I

FSM

150.0 Amps

Peak repetitive reverse surge current

(NOTE 1)

I

RRM

1.0 0.5 Amps

Maximum instantaneous I

F

=7.5A, TC=25¡C - 0.75

forward voltage at I

F

=7.5A, TC=125¡C

V

F

0.57 0.65
Volts

(NOTE 2)

IF=15A, TC=25¡C 0.84 ­IF=15A, TC=125¡C 0.72 -

Maximum instantaneous reverse current at
rated DC blocking voltage T

C

=25¡C I

R

0.1 0.5 mA

(NOTE 1)

TC=125¡C 15.0 1000

Voltage rate of change (rated VR) dv/dt 10,000 1000 V/ms

Maximum thermal resistance,

(NOTE 3)

R

QJC

5.0 ¡C/W

Operating junction temperature range T

J

-65 to +150 ¡C

Storage temperature range T

STG

-65 to +175 ¡C

RMS Isolation voltage from terminals to heatsink 4500

(NOTE 4)

with RH ² 30% V

ISOL

3500

(NOTE 5)

Volts

1500

(NOTE 6)

NOTES: (1) 2.0ms, pulse width, f=1.0 KH

Z

(2) Pulse test: 300ms pulse width, 1% duty cycle
(3) Thermal resistance from junction to case and/or thermal resistance from junction to ambient
(4) Clip mounting (on case), where lead does not overlap heatsink with 0.110Ó offset.
(5) Clip mounting (on case), where leads do overlap heatsink.
(6) Screw mounting with 4-40 screw, where washer diameter is £ 4.9 mm (0.19Ó).

Dimensions in inches and (millimeters)

0.060 (1.52)

0.405 (10.27)

0.383 (9.72)

0.676 (17.2)

0.646 (16.4)

0.191 (4.85)

0.171 (4.35)

0.600 (15.5)

0.580 (14.5)

0.560 (14.22)

0.530 (13.46)

0.037 (0.94)

0.027 (0.69)

0.140 (3.56)

0.130 (3.30)

0.350 (8.89)

0.330 (8.38)

0.188 (4.77)

0.172 (4.36)

0.110 (2.80)

0.100 (2.54)

0.131 (3.39)

0.122 (3.08)

0.110 (2.80)

0.100 (2.54)

0.022 (0.55)

0.014 (0.36)

0.205 (5.20)

0.195 (4.95)

PIN 1

PIN 2

12

PIN

DIA.

DIA.

NEW PRODUCT NEW PRODUCT NEW PRODUCT

2/18/99

IT

O-220AC

FIG. 1 - FORWARD CURRENT DERATING CURVE

CASE TEMPERATURE, ¡C

AVERAGE FORWARD CURRENT,

AMPERES

FIG. 2 - MAXIMUM NON-REPETITIVE PEAK FORWARD

SURGE CURRENT

NUMBER OF CYCLES AT 60 H

Z

PEAK FORWARD SURGE CURRENT,

AMPERES

FIG. 3 - TYPICAL INSTANTANEOUS FORWARD

CHARACTERISTICS

FIG. 4 - TYPICAL REVERSE CHARACTERISTICS

INSTANTANEOUS FORWARD CURRENT,

AMPERES

INSTANTANEOUS REVERSE CURRENT,

MILLIAMPERES

INSTANTANEOUS FORWARD VOLTAGE,

VOLTS

PERCENT OF RATED PEAK REVERSE

VOLTAGE, %

FIG. 5 - TYPICAL JUNCTION CAPACITANCE

JUNCTION CAPACITANCE, pF

REVERSE VOLTAGE, VOLTS

TJ=TJ max.

8.3ms SINGLE HALF SINE-WAVE
(JEDEC Method)

TJ=75¡C

TJ=25¡C

TJ=25¡C

TJ=125¡C

PULSE WIDTH = 300ms
1% DUTY CYCLE

TJ=25¡C
f=1.0 MHz
Vsig=50mVp-p

RESISTIVE OR INDUCTIVE LOAD

TJ=125¡C

FIG. 6 - TYPICAL TRANSIENT THERMAL IMPEDANCE

t, PULSE DURATION, sec.

TRANSIENT THERMAL IMPEDANCE, °C/W

MBRF735 - MBRF745

MBRF750 & MBRF760

MBRF735 - MBRF745

MBRF750 & MBRF760

MBRF735 - MBRF745

MBRF750 & MBRF760

MBRF735 - MBRF745

MBRF750 & MBRF760

RATINGS AND CHARACTERISTIC CURVES MBRF735 THRU MBRF760

10

8

6

4

2

0

0

50

50

10

1

100

150

175

150

125

100

75

50

25

1

50

10

10

1

100

0.01

4,000

1,000

0.1

0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0 1.1 1.2

100

40

0.1

1

10

100

0.1

0.01

0.001

100

10

1

0.1

0.01

0

20

40

0.1

60

1

80

100

10

100