SD945 datasheet(1/3 Pages) DIODES

Part #	SD945

Description	HIGH CURRENT SCHOTTKY BARRIER RECTIFIER

PDF	3 Pages

Scroll/Zoom	100%

Manufacturer	DIODES [Diodes Incorporated]

Direct Link	http://www.diodes.com

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1 / 3 page

SD930 / SD940 / SD945

HIGH CURRENT SCHOTTKY BARRIER RECTIFIER

Features

•

High Current Capability and Low Forward Drop

•

High Surge Capacity

•

Guard Ring for Transient Protection

•

Low Power Loss, High Efficiency

•

Lead Free Finish, RoHS Compliant (Note 1)

Mechanical Data

•

Case: DO-201AD

•

Case Material: Molded Plastic. UL Flammability Classification

Rating 94V-0

•

Moisture Sensitivity: Level 1 per J-STD-020D

•

Terminals: Finish

⎯ Tin. Leads Solderable per MIL-STD-202,

Method 208

•

Polarity: Cathode Band

•

Mounting Position: Any

•

Ordering Information: See Page 3

•

Weight: 1.1 grams (approximate)

Top View

Maximum Ratings @TA = 25°C unless otherwise specified

Single phase, half wave, 60Hz, resistive or inductive load.

For capacitance load, derate current by 20%.

Characteristic

Symbol

SD930

SD940

SD945

Unit

Peak Repetitive Reverse Voltage

Working Peak Reverse Voltage

DC Blocking Voltage

VRRM

VRWM

VR

30

40

45

V

Voltage Rate of Change

dv/dt

10,000

V/µs

Maximum Average Forward Current

@ TC = 120°C

(Note 3)

IO

9.0

A

Maximum Peak One-Cycle

@ 5µs Sine Wave

Surge Current

@ 10ms Sine Wave

IFSM

2150

340

A

Thermal Characteristics

Characteristic

Symbol

Value

Unit

Typical Thermal Resistance Junction to Case (Note 2)

RθJL

8.0

K/W

Operating and Storage Temperature Range

TJ, TSTG

-65 to +150

°C

Electrical Characteristics @TA = 25°C unless otherwise specified

Characteristic

Symbol

Min

Typ

Max

Unit

Test Condition

Forward Voltage (Note 4)

VF

-

0.48

0.42

0.57

0.52

V

IF = 9.0A, TJ = 25°C

IF = 9.0A, TJ = 125°C

IF = 18A, TJ = 25°C

IF = 18A, TJ = 125°C

Peak Reverse Current (Note 4)

IR

-

0.8

70

mA

@ Rated VR, TA = 25°C

@ Rated VR, TA = 100°C

Total Capacitance

CT

-

900

pF

VR = 4V, f = 1MHz

Notes:

1. RoHS revision 13.2.2003. Glass and high temperature solder exemptions applied, see EU Directive Annex Notes 5 and 7.

2. Thermal resistance from junction to lead vertical PC board mounting, 9.5mm lead length.

3. Device mounted to heat sink with 1/8" lead length.

4. Pulse width

≤ μs - Duty Cycle ≤ 2%.

5. Short duration pulse test used to minimize self-heating effect.

SD930 / SD940 / SD945

Document number: DS23026 Rev. 5 - 2

1 of 3

www.diodes.com

May 2008

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