12CTQ045S - International Rectifier

SCHOTTKY RECTIFIER 12 Amp

12CTQ...S SERIES

www.irf.com 1

PD-2.554 03/98

Major Ratings and Characteristics

IF(AV) Rectangular 12 A

waveform

VRRM range 35 to 45 V

IFSM @ tp = 5 µs sine 690 A

VF@ 6 Apk, TJ

= 125°C 0.53 V

(per leg)

TJrange - 55 to 175 °C

Characteristics 12CTQ...S Units

Description/Features

The 12CTQ...S center tap Schottky rectifier series has been

optimized for low reverse leakage at high temperature. The

proprietary barrier technology allows for reliable operation up

to 175° C junction temperature. Typical applications are in

switching power supplies, converters, free-wheeling diodes,

and reverse battery protection.

175° C TJ operation

Center tap D2Pak (SMD-220)

Low forward voltage drop

High purity, high temperature epoxy encapsulation for

enhanced mechanical strength and moisture resistance

High frequency operation

Guard ring for enhanced ruggedness and long term

reliability

Dimensions in millimeters and inches

Conform to JEDEC outline D2Pak (SMD-220)

10.16 (0.40)

REF.

8.89 (0.35)

4.57 (0.18)

4.32 (0.17)

0.61 (0.02) M AX.

5.08 (0.20) REF.

1.32 (0.05)

1.22 (0.05)

6.47 (0.25)

6.18 (0.24)

93°

REF.

2.61 (0.10)

2.32 (0.09)

5.28 (0.21)

4.78 (0.19)

4.69 (0.18)

4.20 (0.16)

0.55 ( 0.02)

0.46 ( 0.02)

14.73 (0.58)

15.49 (0.61)

1.40 (0.055)

1.14 (0.045)

0.93 (0.37)

0.69 (0.27)

2X 11.43 ( 0.45)

17.78 (0.70)

8.89 (0.35)

3.81 (0.15)

2.08 (0.08)

2.54 (0.10)

MINIM UM RECOMME NDE D FOOTPR INT

BASE

COMMON

CATHODE

123

ANODE

COMMON

CATHODE

ANODE

D2Pak (SMD-220)

12CTQ...S Series

PD-2.554 03/98

www.irf.com

VFM Max. Forward Voltage Drop 0.60 V @ 6A

(Per Leg) * See Fig. 1 ( 1 ) 0.73 V @ 12A

0.53 V @ 6A

0.64 V @ 12A

IRM Max. Reverse Leakage Current 0.8 mA TJ = 25 °C

(Per Leg) * See Fig. 2 ( 1 ) 7. 0 mA TJ = 125 °C

VF(TO) Threshold Voltage 0.35 V TJ = TJ max.

rtForward Slope Resistance 18.23 mΩ

CTMax. Junction Capacitance (Per Leg) 40 0 pF VR = 5VDC, (test signal range 100Khz to 1Mhz) 25°C

LSTypical Series Inductance (Per Leg) 8.0 nH Measured lead to lead 5mm from package body

dv/dt Max. Voltage Rate of Change 10,000 V/ µs

(Rated VR)

TJMax. Junction Temperature Range -55 to 175 °C

Tstg Max. Storage Temperature Range -55 to 175 °C

RthJC Max. Thermal Resistance Junction 3.50 °C/W DC operation * See Fig. 4

wt Approximate Weight 2 (0.07) g (oz.)

Case Style D2Pak (SMD-220)

Thermal-Mechanical Specifications

TJ = 25 °C

TJ = 125 °C

Electrical Specifications

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

VR = rated VR

Absolute Maximum Ratings

Following any rated

load condition and with

rated VRRM applied

Parameters 12CTQ...S Units Conditions

IF(AV) Max. Average Forward (Per Leg) 6 A 50% duty cycle @ TC = 160°C, rectangular wave form

Current * See Fig. 5 (Per Device) 12

IFSM Max. Peak One Cycle Non-Repetitive 690 5µs Sine or 3µs Rect. pulse

Surge Current (Per Leg) * See Fig. 7 140 10ms Sine or 6ms Rect. pulse

EAS Non-Repetitive Avalanche Energy 8 mJ TJ

= 25 °C, IAS

= 1.20 Amps, L = 11.10 mH

(Per Leg)

IAR Repetitive Avalanche Current 1.20 A Current decaying linearly to zero in 1 µsec

(Per Leg) Frequency limited by TJ max. VA = 1.5 x VR typical

Part number 12CTQ035S 12CTQ040S 12CTQ045S

VRMax. DC Reverse Voltage (V)

VRWM Max. Working Peak Reverse Voltage (V)

Voltage Ratings

35 40 45

Parameters 12CTQ...S Units Conditions

12CTQ...S Series

PD-2.554 03/98

www.irf.com

Fig. 2 - Typical Values Of Reverse Current

Vs. Reverse Voltage (Per Leg)

Fig. 3 - Typical Junction Capacitance

Vs. Reverse Voltage (Per Leg)

Fig. 4 - Max. Thermal Impedance ZthJC Characteristics (Per Leg)

Fig. 1 - Max. Forward Voltage Drop Characteristics

(Per Leg)

100

0.2 0.4 0.6 0.8 1 1.2 1.4 1.6

Inst antaneous Forward Curre nt - I (A)

T = 175°C

T = 125°C

T = 25°C

Forward Volt age Drop - V (V)

0.0001

0.001

0.01

0.1

100

0 5 10 15 20 25 30 35 40 45

T = 175°C

150°C

125°C

100°C

75°C

50°C

25°C

Reverse Current - I (mA)

R ev ers e Voltage - V (V )

100

1000

0 1020304050

T = 25°C

Junction Capacitance - C (pF)

Reverse Voltage - V (V)

0.001

0.01

0.1

0.00001 0.0001 0.001 0.01 0.1 1 10 100

thJC

t , Rectangular Pulse Duratio n (Seconds)

Single Pulse

(Thermal Resista nce)

Therm al Impedan ce Z (°C/W)

D = 0.75

D = 0.50

D = 0.33

D = 0.25

D = 0.20

Notes:

1. Duty factor D = t / t

2. Peak T = P x Z + T

thJC C

12CTQ...S Series

PD-2.554 03/98

www.irf.com

Fig. 7 - Max. Non-Repetitive Surge Current (Per Leg)

Fig. 5 - Max. Allowable Case Temperature

Vs. Average Forward Current (Per Leg)

Fig. 8 - Unclamped Inductive Test Circuit

Fig. 6 - Forward Power Loss Characteristics

(Per Leg)

(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

0.5

1.5

2.5

3.5

4.5

0246810

Ave rag e Power Loss - (Watt s)

F(AV)

RMS Limit

D = 0.20

D = 0.25

D = 0.33

D = 0.50

D = 0.75

Average Forward Curren t - I (A)

150

155

160

165

170

175

0246810

Allo w a ble Cas e Te mp era t u re - (°C)

F(AV)

see note (2)

Square wave (D = 0.5 0)

80% Rated V applied

Average F or ward Current - I (A)

100

1000

10 100 1000 10000

FSM

Non-Repet iti ve Surge Current - I (A)

Square Wave Pulse Duration - t (micr osec)

At Any Rated Load Condition

And Wit h Rated V Applied

Foll o wing Su r g e

RRM

FREE-WHEEL

DIODE

40HFL40S02

CURRENT

MONITOR

HIGH-SPEED

SWITCH

IRFP460

DUT

Rg = 25 ohm

Vd = 25 Volt

12CTQ...S Series

PD-2.554 03/98

www.irf.com

Dimensions in millimeters and inches

TRR

FEED DIRECT ION

TRL

F EED D IRECTION

10.90 (0.429)

10.70 (0.421) 16.10 (0.634)

15.90 (0.626)

1.75 (0.069)

1.25 (0.049)

1.85 (0.073)

1.65 (0.065)

4.10 (0.161)

3.90 (0.153)

1.60 (0.063)

1.50 (0.059)

DIA.

1.60 (0.063)

1.50 (0.059)

DIA.

11.60 (0.457)

11.40 (0.449)

15.42 (0.609)

15.22 (0.601)

4.72 (0.186)

4.52 (0.178)

24.30 (0.957)

23.90 (0.941)

0.368 (0.014 5)

0.342 (0.013 5)

360 (1 4.173)

DIA. MAX.

26.40 (1.039)

24.40 (0.961)

13.50 (0.532)

12.80 (0.504)DIA.

60 ( 2.362 )

DIA. MIN.

SMD-220 Tape & Reel

When ordering, indica te the part

number, part orientation, and the

quantit y. Q uantit ies are in m ultiples

of 800 pieces per reel for both

TRL and TRR.

Tape & Reel Information

9G3A

12CTQ045S

9512

EXAMPLE: THIS IS AN 12CTQ045S INTERNATIONAL

RECTIFIER LOGO PART NUMBER

Marking Information

DATE CODE (YYWW)

YY = YEAR

WW = WEEK

ASSEMBLY

LOT CODE

(K)

(A)