12CTQ045STRR - International Rectifier

SCHOTTKY RECTIFIER 12 Amp

12CTQ...

12CTQ...S

12CTQ... -1

www.irf.com 1

Bulletin PD-20554 rev. B 07/01

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 Units

Description/ Features

The 12CTQ 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 TO-220 package

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

Case Styles

12CTQ... 12CTQ... S 12CTQ... -1

TO-220 D2PAK

IF(AV) = 12Amp

VR = 35 to 45V

Anode

Base

Common

Cathode

node

Common

Cathode

TO-262

Anode

Base

Common

Cathode

node

Common

Cathode

Anode

Base

Common

Cathode

node

Common

Cathode

12CTQ... Series

Bulletin PD-20554 rev. B 07/01

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) 400 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

to Case (Per Leg)

RthJC Max. Thermal Resistance Junction 1.75 °C/W DC operation

to Case (Per Package)

RthCS Typical Thermal Resistance, Case 0.50 °C/W Mounting surface , smooth and greased

to Heatsink

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

T Mounting Torque Min. 6 (5)

Max. 12 (10)

Thermal-Mechanical Specifications

Kg-cm

(Ibf-in)

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 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 12CTQ035 12CTQ040 12CTQ045

VRMax. DC Reverse Voltage (V)

VRWM Max. Working Peak Reverse Voltage (V)

Voltage Ratings

35 40 45

Parameters 12CTQ Units Conditions

12CTQ... Series

Bulletin PD-20554 rev. B 07/01

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)

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)

Reverse 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 Duration (Seconds)

Single Pulse

(Thermal Resistance)

Thermal Im pedance Z ( C/W )

D = 0.75

D = 0.50

D = 0.33

D = 0.25

D = 0.20

thJC C

Notes:

1. Duty factor D = t / t

2. Peak T = P x Z + T

Forward Voltage Drop - VFM (V)

Instantaneous Forward Current - IF (A)

100

0.2 0.4 0.6 0.8 1 1.2 1.4 1.6

Tj = 175˚C

Tj = 125˚C

Tj = 25˚C

12CTQ... Series

Bulletin PD-20554 rev. B 07/01

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 = TJ - (Pd + PdREV) x RthJC

;

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

PdREV = Inverse Power Loss = VR1 x IR (1 - D); IR @ VR1

= 80% rated VR

0.5

1.5

2.5

3.5

4.5

0246810

Average Power Loss - (Watts)

F(AV)

RMS Limit

D = 0.20

D = 0.25

D = 0.33

D = 0.50

D = 0.75

Average Forw ard Current - I (A)

150

155

160

165

170

175

0246810

Allowable Case Temperature - ( C)

F(AV)

see note (2)

Square wave (D = 0.50)

80% Rated V applied

Average Forward Current - I (A)

100

1000

10 100 1000 10000

FSM

Non-Repetitive Surge Current - I (A)

Square W ave Pulse Duration - t (m icrosec)

At Any Rated Load Condition

And With Rated V Applied

Follow in g Surg e

RRM

FREE-WHEEL

DIODE

40HFL40S02

CURRENT

MONITOR

HIGH-SPEED

SW ITCH

IRFP460

DUT

Rg = 25 ohm

Vd = 25 Volt

12CTQ... Series

Bulletin PD-20554 rev. B 07/01

www.irf.com

Outline Table

3.78 (0.15)

3.54 (0.14)

10.54 (0.41)

MAX.

DIA.

15.24 (0.60)

14.84 (0.58)

2.92 (0.11)

2.54 (0.10)

TERM 2

14.09 (0.55)

13.47 (0.53)

3.96 (0.16)

3.55 (0.14)

0.94 (0.04)

0.69 (0.03)

4.57 (0.18)

4.32 (0.17)

30.61 (0.02) MAX.

5.08 (0.20) REF.

1.32 (0.05)

1.22 (0.05)

6.48 (0.25)

6.23 (0.24)

2°

0.10 (0.004)

1.40 (0.05)

1.15 (0.04)

2.89 (0.11)

2.64 (0.10)

2.04 (0.080) MAX.

Conform to JEDEC outline TO-220AB

Dimensions in millimeters and (inches)

10.16 (0.40)

REF.

8.89 (0.35)

4.57 (0.18)

4.32 (0.17)

0.61 (0.02) MAX.

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)

11.43 (0.45)

17.78 (0.70)

8.89 (0.35)

3.81 (0.15)

2.08 (0.08)

2.54 (0.10)

MINIMUM RECOMMENDED FOOTPRINT

Conform to JEDEC outline D2Pak (SMD-220)

Dimensions in millimeters and (inches)

Anode

Base

Common

Cathode

node

Common

Cathode

Anode

Base

Common

Cathode

node

Common

Cathode

12CTQ... Series

Bulletin PD-20554 rev. B 07/01

www.irf.com

Outline Table

Modified JEDEC outline TO-262

Dimensions in millimeters and (inches)

Anode

Base

Common

Cathode

node

Common

Cathode

Marking Information

EXAMPLE: THIS IS A 12CTQ040-1

LOT CODE 1789

ASSEMBLY

PART NUMBER

DATE CODE

WEEK 19

LINE C

LOT CODE

YEAR 9 = 1999

ASSEMBLED ON WW 19, 1999

IN THE ASSEMBLY LINE "C" LOGO

RECTIFIER

INTERNATIONAL

12CTQ... Series

Bulletin PD-20554 rev. B 07/01

www.irf.com

Ordering Information Table

Device Code

1- Essential Part Number

2- Common Cathode

3- T = TO-220

4- Q = Schottky Q Series

5- Voltage Rating

6-S=D

2Pak

6- -1 = TO-262

12 C T Q 045 -1

035 = 35V

040 = 40V

045 = 45V

TRR

FEED DIRECTION

TRL

FEED DIRECTION

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 (0.95 7)

23 .90 (0.94 1)

0.368 (0.0145)

0.342 (0.0135)

360 (14.173)

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, indicate the part

number, part orientation, and the

quantity. Quantities are in multiples

of 800 p iece s p er reel fo r bo th

TRL and TRR.

Dimensions in millimeters and (inches)

Tape & Reel Information

12CTQ... Series

Bulletin PD-20554 rev. B 07/01

www.irf.com

IR WORLD HEADQUARTERS: 233 Kansas St., El Segundo, California 90245, USA Tel: (310) 252-7105

TAC Fax: (310) 252-7309

Visit us at www.irf.com for sales contact information. 07/01

Data and specifications subject to change without notice.

This product has been designed and qualified for Industrial Level.

Qualification Standards can be found on IR's Web site.