Vishay 12TQ... Series Data Sheet

TO-220AC

PRODUCT SUMMARY

I

F(AV)

V

R

Schottky Rectifier, 15 A

FEATURES

• 150 °C TJ operation

• Very low forward voltage drop

• High frequency operation

• High purity, high temperature epoxy encapsulation for
enhanced mechanical strength and moisture resistance

• Guard ring for enhanced ruggedness and long term
reliability

• Designed and qualified for industrial level

DESCRIPTION

The 12TQ... Schottky rectifier series has been optimized for
very low forward voltage drop, with moderate leakage. The
proprietary barrier technology allows for reliable operation up
to 150 °C junction temperature. Typical applications are in
switching power supplies, converters, freewheeling diodes,
and reverse battery protection.

cathode

1

Cathode

35 to 45 V

Base

2

3

Anode

15 A

12TQ... Series

Vishay High Power Products

MAJOR RATINGS AND CHARACTERISTICS

SYMBOL CHARACTERISTICS VALUES UNITS

I

F(AV)

V

RRM

I

FSM

V

F

T

J

Rectangular waveform 15 A

Range 35 to 45 V

tp = 5 µs sine 990 A

15 Apk, TJ = 125 °C 0.50 V

Range - 55 to 150 °C

VOLTAGE RATINGS

PARAMETER SYMBOL 12TQ035 12TQ040 12TQ045 UNITS

Maximum DC reverse voltage V

Maximum working peak reverse voltage V

R

RWM

35 40 45 V

ABSOLUTE MAXIMUM RATINGS

PARAMETER SYMBOL TEST CONDITIONS VALUES UNITS

Maximum average forward current
See fig. 5

Maximum peak one cycle non-repetitive
surge current
See fig. 7

Non-repetitive avalanche energy E

Repetitive avalanche current I

I

F(AV)

I

FSM

AR

50 % duty cycle at TC = 120 °C, rectangular waveform 15

5 µs sine or 3 µs rect. pulse

10 ms sine or 6 ms rect. pulse 250

TJ = 25 °C, IAS = 2.4 A, L = 5.5 mH 16 mJ

AS

Current decaying linearly to zero in 1 µs
Frequency limited by T

maximum VA = 1.5 x VR typical

J

Following any rated load
condition and with rated
V

applied

RRM

990

2.4 A

A

Document Number: 93220 For technical questions, contact: [e-mail]
Revision: 25-Jun-08 1

www.vishay.com

12TQ... Series

Vishay High Power Products

Schottky Rectifier, 15 A

ELECTRICAL SPECIFICATIONS

PARAMETER SYMBOL TEST CONDITIONS VALUES UNITS

15 A

Maximum forward voltage drop
See fig. 1

(1)

V

FM

30 A 0.71

15 A

30 A 0.64

Maximum reverse leakage current
See fig. 2

I

RM

Maximum junction capacitance C

Typical series inductance L

(1)

T

S

TJ = 25 °C

T

= 125 °C 70

J

VR = 5 VDC (test signal range 100 kHz to 1 MHz) 25 °C 900 pF

Measured lead to lead 5 mm from package body 8.0 nH

Maximum voltage rate of change dV/dt Rated V

T

= 25 °C

J

= 125 °C

T

J

V

= Rated V

R

R

R

0.56

0.50

1.75

10 000 V/µs

Note

(1)

Pulse width < 300 µs, duty cycle < 2 %

THERMAL - MECHANICAL SPECIFICATIONS

PARAMETER SYMBOL TEST CONDITIONS VALUES UNITS

Maximum junction and storage
temperature range

Maximum thermal resistance,
junction to case

Typical thermal resistance,
case to heatsink

Approximate weight

Mounting torque

minimum 6 (5)

maximum 12 (10)

Marking device Case style TO-220AC

T

, T

J

Stg

DC operation

R

thJC

R

thCS

See fig. 4

Mounting surface, smooth and greased 0.50

- 55 to 150 °C

2.0

2g

0.07 oz.

kgf · cm

(lbf · in)

12TQ035

12TQ040

12TQ045

V

mA

°C/W

www.vishay.com For technical questions, contact: [e-mail]

Document Number: 93220

2 Revision: 25-Jun-08

12TQ... Series

1000

100

10

Current (A)

- Instantaneous Forward

F

I

1

0.1

0.2

0 0.4 0.8 1.2

V

- Forward Voltage Drop (V)

FM

Schottky Rectifier, 15 A

TJ = 150 °C

= 125 °C

T

J

= 25 °C

T

J

1.6

1.41.00.6

1.8

- Reverse Current (mA)

R

I

Vishay High Power Products

1000

100

10

1

0.1

0.01

0.001

TJ = 150 °C

TJ = 125 °C

TJ = 100 °C

TJ = 75 °C

TJ = 50 °C

TJ = 25 °C

0 102030 45

540

V

- Reverse Voltage (V)

R

352515

Fig. 1 - Maximum Forward Voltage Drop Characteristics Fig. 2 - Typical Values of Reverse Current vs.

Reverse Voltage

1000

TJ = 25 °C

- Junction Capacitance (pF)

T

C

100

0 20304050

10

V

- Reverse Voltage (V)

R

Fig. 3 - Typical Junction Capacitance vs. Reverse Voltage

10

1

P

0.1
D = 0.50

D = 0.33
D = 0.25
D = 0.17

0.01

- Thermal Impedance (°C/W)

thJC

Z

D = 0.08

0.001

0.00001 0.0001 0.001 0.01 0.1 1 10 100

Single pulse

(thermal resistance)

Notes:

1. Duty factor D = t

2. Peak TJ = PDM x Z

DM

t

1/t2

t1 - Rectangular Pulse Duration (s)

Fig. 4 - Maximum Thermal Impedance Z

Characteristics

thJC

1

thJC

t

2

.

+ T

C

.

Document Number: 93220 For technical questions, contact: [e-mail]

www.vishay.com

Revision: 25-Jun-08 3