GODAR SKN7, SKN8, SKN9 Datasheet

SURFACE MOUNT SCHOTTKY BARRIER RECTIFIER

Features

Plastic package has Underwriters Laboratory

Flammability Classification 94V-0

Metal silicon junction, majority carrier conduction
Guardring for overvoltage protection
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

High temperature soldering guaranteed:

250 /10 seconds, 2.8mm lead length

Mechanical Data

Case: SMA molded plastic body
Polarity: Color band denotes cathode end
Mounting Position: Any
Weight: 0.004 ounce, 0.11 gram

SKN7 THRU SKN9

Reverse Voltage -

Forward Current -

DIMENSIONS

DIM

A 0.216 0.226 5.48 5.74

B 0.176 0.182 4.48 4.63

C 0.094 0.100 2.40 2.55

D 0.170 0.176 4.33 4.48

E 0.039 0.055 1.00 1.40

F 0.080 0.081 2.03 2.07

G 0.068 0.083 1.72 2.10

H 0 .112 0 .118 2 .85 3 .00

J 0.057 - 1.44 -

K - 0.018 - 0.45

L 0.016 - 0.40 -

M 0.109 0.115 2.77 2.93

N 0.105 0.107 2.67 2.73

P 0.078 0.081 2.00 2.05

inches mm

Min. Max. Min. Max.

20 to 40 Volts

1.0 Ampere

Note

Maximum Ratings and Electrical Characteristics

Ratings at 25 ambient temperature unless otherwise specified.

Symbols SKN7 SKN8 SKN9 Units

Maximum repetitive peak reverse voltage V

Maximum RMS voltage V

Maximum DC blocking voltage V

Maximum non-repetitive peak reverse voltage V

Maximum average forward rectified current

2.8mm lead length at T

Peak forward surge current,

8.3mS single half sine-wave superimposed
on rated load (MIL-STD-750D 4066 method) at T

Maximum instantaneous forward voltage at 1.0A (Note 1)
Maximum instantaneous forward voltage at 3.1A (Note 1)

Maximum instantaneous reverse current TA=25
at rated DC blocking voltage TA=110

L

=90

L

=70

Typical junction capacitance (Note 3) C

Typical thermal resistance (Note 2)

Operating junction and storage temperature range T

RRM

RMS

DC

RSM

I

(AV)

I

FSM

V

F

V

F

I

R

J

R

JA

R

JL

, T

J

STG

Notes:

(1) Pulse test: 300uS pulse width, 1% duty cycle

(2) Thermal resistance from junction to lead, and/or to ambient P.C.B. mounted with 2.8mm lead length with 1.5X1.5 (38X38mm) copper pads

(3) Measured at 1.0MHz and applied reverse voltage of 4.0 volts

20 30 40 Volts

14 21 28 Volts

20 30 40 Volts

24 36 48 Volts

1.0 Amp

25.0 Amps

0.450

0.750

0.550

0.875

1.0

10.0

110 .0

50.0

15.0

-65 to +125

1

0.600

0.900

Volts
Volts

mA

F

/W

RATINGS AND CHARACTERISTIC CURVES

2