15MQ040N - International Rectifier

SCHOTTKY RECTIFIER 3 Amp

15MQ040N

Preliminary Data Sheet PD-20517 rev. B 06/98

1www.irf.com

Major Ratings and Characteristics

IFDC 3 A

VRRM 40 V

IFSM @ tp = 5 µs sine 330 A

VF@ 2Apk, TJ=125°C 0.43 V

TJrange - 40 to 150 °C

Characteristics 15MQ040N Units

2.50 (.098)

2.90 (.114)

4.00 (.157)

4.60 (.181)

1.40 (.055)

1.60 (.062)

.152 (.006)

.305 (.012)

2.00 (.078)

2.44 (.096)

0.76 (.030)

1.52 (.060)

.103 (.004)

.203 (.008)

4.80 (.188)

5.28 (.208)

2.10 MAX.

(.085 M AX. )

5.53 (.218)

1.27 MIN.

(.050 MIN.)

1.47 MIN.

(. 05 8 MI N.)

SOLDERING PA D

CATHODE ANODE

1 2

POL A RI T Y P A RT NUM B E R

Device Marking: IR2F

SMA

Dimensions in millimeters and (inches)

Outline SMA Similar to D-64

Description/Features

The 15MQ040N Schottky rectifier is designed to be used for

low-power applications where a reverse voltage of 40 volts is

ancountered and surface mountable is required.

Applications

Switching power supplies

Meter protection

Reverse protection for power input to PC board circuits

Battery isolation and charging

Low threshold voltage diode

Free-wheeling or by-pass diode

Low voltage clamp

Features

Surface moutable

Extremely low forward voltage

Improved reverse blocking voltage capability relative

to other Schottkys of similar size

Compact size

15MQ040N

Preliminary Data Sheet PD-20517 rev. B 06/98

2www.irf.com

Part number 15MQ040N

VRMax. DC Reverse Voltage (V)

VRWM Max. Working Peak Reverse Voltage (V) 40

Voltage Ratings

IF(AV) Max. Average Forward Current 2.1 A 50% duty cycle @ TC = 105 °C, rectangular wave form

* See Fig. 4 On PC board 9mm2 island (.013mm thick copper

pad area)

IFSM Max. Peak One Cycle Non-Repetitive 330 5µs Sine or 3µs Rect. pulse

Surge Current * See Fig. 6 140 10ms Sine or 6ms Rect. pulse

Parameters 15MQ Units Conditions

Absolute Maximum Ratings

AFollowing any rated

load condition and

with rated VRRM applied

VFM Max. Forward Voltage Drop (1) 0.42 V @ 1A

* See Fig. 1 0.49 V @ 2A

0.34 V @ 1A

0.43 V @ 2A

IRM Max. Reverse Leakage Current (1) 0.5 mA TJ = 25 °C

* See Fig. 2 2 0 mA TJ = 125 °C

VF(TO) Threshold Voltage 0.26 V TJ = TJ max.

rtForward Slope Resistance 64.6 mΩ

CTTypical Junction Capacitance 13 4 pF VR = 10VDC, TJ = 25°C, test signal = 1Mhz

LSTypical Series Inductance 2. 0 n H Measured lead to lead 5mm from package body

TJ = 25 °C

TJ = 125 °C

VR = rated VR

Electrical Specifications

Parameters 15MQ Units Conditions

(1) Pulse Width < 300µs, Duty Cycle < 2%

TJMax. Junction Temperature Range -40 to 150 °C

Tstg Max. Storage Temperature Range -40 to 150 °C

RthJA Max. Thermal Resistance Junction 150 °C/W DC operation

to Ambient

wt Approximate Weight 0.07(0.026) g (oz.)

Case Style SMA Similar D-64

Device Marking IR2F

Thermal-Mechanical Specifications

Parameters 15MQ Units Conditions

15MQ040N

Preliminary Data Sheet PD-20517 rev. B 06/98

www.irf.com

Fig. 2 - Typical Peak Reverse Current

Vs. Reverse Voltage

Fig. 3 - Typical Junction Capacitance

Vs. Reverse Voltage

Fig. 1 - Maximum Forward Voltage Drop Characteristics

0.1

0.20.30.40.50.60.70.80.9

Instantaneous Forwa rd Current - I (A)

T = 1 50 °C

T = 125°C

T = 25°C

Forward Volt ag e Drop - V (V)

0.001

0.01

0.1

100

0 5 10 15 20 25 30 35 40

125°C

100°C

75°C

50°C

25°C

Reverse Curren t - I (mA)

T = 150°C

Rev er s e Voltage - V (V )

100

1000

0 5 10 15 20 25 30 35 40 45

Jun ct ion Ca p acita nce - C (p F)

T = 25°C

R ever s e V oltage - V (V)

15MQ040N

Preliminary Data Sheet PD-20517 rev. B 06/98

4www.irf.com

Fig. 4 - Maximum Average Forward Current

Vs. Allowable Lead Temperature Fig. 5 - Maximum Average Forward Dissipation

Vs. Average Forward Current

Fig. 6 - Maximum Peak Surge Forward Current Vs. Pulse Duration

(2) Formula used: TC = T J - (Pd + PdREV) x RthJC ;

Pd = Forward Power Loss = IF(AV) x V FM @ (IF(AV) / D) (see Fig. 6);

PdREV = Inverse Power Loss = VR1 x I R (1 - D); IR @ VR1 = 80% rated VR

100

1000

10 100 1000 10000

FSM

At Any Rated Load Condit ion

And With Rated V Applied

Foll owing Surge

RRM

Square Wa v e Puls e Duration - t (micr osec)

Non-Repetitive Sur ge Curren t - I (A)

100

110

120

130

140

150

00.511.522.53

F(AV)

see n ote ( 2)

Allowable Case Tem perature - (°C)

S q u a re wa ve (D = 0. 50)

8 0% Rat ed V applied

Average Forward Current - I (A)

D = 0. 20

D = 0. 25

D = 0. 33

D = 0. 50

D = 0. 75

0.2

0.4

0.6

0.8

1.2

1.4

1.6

00.511.522.53

Average Power Los s - (Watts)

F(AV)

RMS Limit

D = 0.20

D = 0.25

D = 0.33

D = 0.50

D = 0.75

Average Forward Current - I (A)

15MQ040N

Preliminary Data Sheet PD-20517 rev. B 06/98

www.irf.com

Tape & Reel Information

WORLD HEADQUARTERS: 233 Kansas St., El Segundo, California 90245 U.S.A Tel: (310) 322-3331. Fax: (310) 322-3332.

EUROPEAN HEADQUARTERS: Hurst Green, Oxted, Surrey RH8 9BB, U.K. Tel: ++ 44 1883 732020. Fax: ++ 44 1883 733408.

IR CANADA: 7231 Victoria Park Ave., Suite #201, Markham, Ontario L3R 2Z8. Tel: (905) 475 1897. Fax: (905) 475 8801.

IR GERMANY: Saalburgstrasse 157, 61350 Bad Homburg. Tel: ++ 49 6172 96590. Fax: ++ 49 6172 965933.

IR ITALY: Via Liguria 49, 10071 Borgaro, Torino. Tel: ++ 39 11 4510111. Fax: ++ 39 11 4510220.

IR FAR EAST: K&H Bldg., 2F, 30-4 Nishi-Ikebukuro 3-Chome, Toshima-Ku, Tokyo, Japan 171 Tel: 81 3 3983 0086 Fax: 81 3 3983 0642.

IR SOUTHEAST ASIA: 315 Outram Road, # 10-02 Tan Boon Liat Building, SINGAPORE 0316. Tel: 65 221 8371. Fax: 65 221 8372.

http://www.irf.com Fax-On-Demand: +44 1883 733420 Data and specifications subject to change without notice 06/98

Dimensions in millimeters and (inches)