BYTES MR850, MR851, MR856, MR854, MR852 Datasheet

MR850 MR856THRU

3.0 AMP FAST RECOVERY RECTIFIERS

FEATURES

VOLTAGE RANGE

50 to 600 Volts

CURRENT

3.0 Amperes

* Low forward voltage drop
* High current capability
* High reliability
* High surge current capability

.220(5.6)

.197(5.0)
DIA.

DO-27

MECHANICAL DATA

* Case: Molded plastic
* Epoxy: UL 94V-0 rate flame retardant
* Lead: Axial leads, solderable per MIL-STD-202,
method 208 guranteed
* Polarity: Color band denotes cathode end
* Mounting position: Any

* Weight: 1.10 grams

.052(1.3)

.048(1.2)

DIA.

Dimensions in inches and (millimeters)

MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS

Rating 25 C ambient temperature uniess otherwies specified.
Single phase half wave, 60Hz, resistive or inductive load.
For capacitive load, derate current by 20%.

TYPE NUMBER

Maximum Recurrent Peak Reverse Voltage
Maximum RMS Voltage
Maximum DC Blocking Voltage
Maximum Average Forward Rectified Current

.375"(9.5mm) Lead Length at Ta=75 C
Peak Forward Surge Current, 8.3 ms single half sine-wave

superimposed on rated load (JEDEC method)

Maximum Instantaneous Forward Voltage at 3.0A
Maximum DC Reverse Current Ta=25 C

at Rated DC Blocking Voltage Ta=100 C

Maximum Reverse Recovery Time (Note 1)

Typical Junction Capacitance (Note 2)
Operating and Storage Temperature Range T , TJ STG

MR850 MR851 MR852 MR854 MR856

50 100 200 400 600

35 70 140 280 480

50 100 200 400 600

3.0

200

1.25

5.0

150

150

60

-65 +150

1.0(25.4)
MIN.

.375(9.5)
.285(7.2)

1.0(25.4)
MIN.

UNITS

V

V

V

A

A
V

µA

µA

nS

pF
C

NOTES:

1. Reverse Recovery Time test condition: IF=0.5A, IR=1.0A, IRR=0.25A

2. Measured at 1MHz and applied reverse voltage of 4.0V D.C.

96

RATING AND CHARACTERISTIC CURVES (MR850 THRU MR856)

FIG.1-TYPICAL FORWARD

CHARACTERISTICS

50

10

3.0

1.0

Tj=25 C

Pulse Width 300us
1% Duty Cycle

0.1

INSTANTANEOUS FORWARD CURRENT,(A)

.01

.6 .8 1.0 1.2 1.4 1.6 1.8 2.0

FORWARD VOLTAGE,(V)

FIG.3- TEST CIRCUIT DIAGRAM AND REVERSE

RECOVERY TIME CHARACTERISTICS

Ω

50
NONINDUCTIVE

(+)

25Vdc
(approx.)

( )

D.U.T.

1

Ω

NON­INDUCTIVE

Ω

10
NONINDUCTIVE

OSCILLISCOPE
(NOTE 1)

PULSE
GENERATOR
(NOTE 2)

FIG.2-TYPICAL FORWARD CURRENT DERATING CURVE

3.0

2.5

2.0

1.5

1.0

Single Phase

Half Wave 60Hz

Resistive Or Inductive Load

0.375"(9.5mm) Lead Length

0.5

AVERAGE FORWARD CURRENT,(A)

0

0 20 40 60 80 100 120 140 160 180 200

AMBIENT TEMPERATURE,( C)

FIG.4-MAXIMUM NON-REPETITIVE FORWARD

SURGE CURRENT

250

200

150

Tj=25 C

100

50

( )

PEAK FORWARD SURGE CURRENT,(A)

0

1 10 5

(+)

NUMBER OF CYCLES AT 60Hz

8.3ms Single Half

Sine Wave

JEDEC method

50

100

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

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

trr

+0.5A

0

-0.25A

-1.0A

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1cm

SET TIME BASE FOR

50 / 10ns / cm

FIG.5-TYPICAL JUNCTION CAPACITANCE

140

120

100

80

60

40

JUNCTION CAPACITANCE,(pF)

20

0

.01 .05 .1 .5 1 5 10 50 100

REVERSE VOLTAGE,(V)

97