RECTRON SR850S, SR845S, SR840S, SR860S, SR820S Datasheet

RECTRON

SEMICONDUCTOR

TECHNICAL SPECIFICA TION

SCHOTTKY BARRIER RECTIFIER

VOLTAGE RANGE 20 to 60 Volts CURRENT 8.0 Amperes

FEATURES

* Low switching noise
* Low forward voltage drop
* Low thermal resistance
* High current capability
* High surge capabitity
* High reliability

SR820S

THRU

SR860S

D2PAK

MECHANICAL DATA

* Case: D2PAK molded plastic
* Epoxy: Device has UL flammability classification 94V-O
* Lead: MIL-STD-202E method 208C guaranteed
* Mounting position: Any
* Weight: 2.2 grams

MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS

Ratings at 25 oC ambient temperature unless otherwise specified.
Single phase, half wave, 60 Hz, resistive or inductive load.
For capacitive load, derate current by 20%.

MAXIMUM RATINGS

Maximum Recurrent Peak Reverse Voltage
Maximum RMS Voltage
Maximum DC Blocking Voltage

Maximum Average Forward Rectified Current
at Derating Case Temperature

Peak Forward Surge Current 8.3 ms single half sine-wave
superimposed on rated load (JEDEC method)

Typical Thermal Resistance (Note 1)
Typical Junction Capacitance (Note 3)
Operating Temperature Range
Storage Temperature Range

(At TA = 25oC unless otherwise noted)

RATINGS

SYMBOL

V

RRM

V

RMS

V

DC

I

O

I

FSM

R θ

JC

C

J

T

J

T

STG

.05 (1.27 REF.)

.343 (8.70)

.335 (8.50)

.151 (3.84)

.143 (3.64)

.200 (5.08)

.401 (10.19)
.399 (10.13)

Dimensions in inches and (millimeters)

SR820S

20
14 21 25 28 32 35 42
20 30 35 40 45 50 60

SR835SSR830S SR840S SR845S SR850S SR860S

30 35 40 45 50 60

700

-65 to + 125

.052 (1.32)
.048 (1.22)

.032 (0.81)

150

2.5

-65 to + 150

.624 (15.84)

.576 (14.64)

.043 (1.10)

.015 (0.381)

-65 to + 150

.065 (1.65)

450

.185 (4.70)
.177 (4.50)

.051 (1.29)
.049 (1.25)

UNITS

Volts
Volts
Volts

Amps8.0

Amps

0

C/W

pF

0

C

0

C

ELECTRICAL CHARACTERISTICS

Maximum Instantaneous Forward Voltage at 8.0A DC Volts
Maximum Average Reverse Current
at Rated DC Blocking Voltage

NOTES : 1. Thermal Resistance Junction to Case.

2. Suffix “R” for Reverse Polarity.

2. Measured at 1 MHz and applied reverse voltage of 4.0 volts.

(At TA = 25oC unless otherwise noted)

CHARACTERISTICS

@TC = 25oC
@TC = 100oC

SYMBOL

V

F

I

R

.65

5.0

.75

50

UNITSSR820S SR835SSR830S SR840S SR845S SR850S SR860S

mAmps
mAmps

2001-3

RATING AND CHARACTERISTIC CURVES

(

SR820S THRU SR860S

)

FIG. 1 - TYPICAL FORWARD CURRENT DERATING CURVE

10

8

SR850S~SR860S

SR820S~SR845S

6

4

Single Phase Half Wave
60Hz Inductive or

2

Resistive Load

AVERAGE FORWARD CURRENT, (A)

0

0 50 100 150

CASE TEMPERATURE, ( )

FIG. 3 - MAXIMUM NON-REPETITIVE FORWARD SURGE CURRENT

155

150

8.3ms Single Half Sine-Wave
(JEDED Method)

145

140

135

130

125

PEAK FORWARD SURGE CURRENT, (A)

1 2 5 10 20 50 100

NUMBER OF CYCLES AT 60Hz

FIG. 4 - TYPICAL JUNCTION CAPACITANCE

4000

FIG. 2 - TYPICAL REVERSE CHARACTERISTICS

10

1.0

TC = 150

TC = 125

TC = 75

.1

TC = 25

.01

INSTANTANEOUS REVERSE CURRENT, (mA)

.001

200 40 60 80 100 120 140

PERCENT OF RATED PEAK

REVERSE VOLTAGE, (%)

SR820S~SR845S
SR850S~SR860S

FIG. 5 - TYPICAL INSTANTANEOUS

FORWARD CHARACTERISTICS

50

2000

SR820S~SR845S

1000

800
600

400

SR850S~SR860S

200

JUNCTION CAPACITANCE, (pF)

100

.1 .4 1.0 4 10 40 80100

REVERSE VOLTAGE, ( V )

10

SR820S~SR845S

SR850S~SR860S

1.0

TJ = 25
Pulse Width=300uS

INSTANTANEOUS FORWARD CURRENT, (A)

0.1

1% Duty Cycle

.1 .2 .3 .4 .5 .6 .7 .8 .9 1.0

INSTANTANEOUS FORWARD VOLTAGE, (V)

RECTRON