Vishay 249NQ150PBF Data Sheet

249NQ150PbF

Vishay High Power Products

Schottky Rectifier, 240 A

Lug terminal anode

HALF-PAK (D-67)	Base
	cathode

PRODUCT SUMMARY

IF(AV)	240 A
VR	150 V

FEATURES

• 175 °C TJ operation

• Low forward voltage drop

• High frequency operation	RoHS
	COMPLIANT

•Guard ring for enhanced ruggedness and long term reliability

•Lead (Pb)-free

•Designed and qualified for industrial level

DESCRIPTION

The 249NQ.. high current Schottky rectifier module 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 high current switching power supplies, plating power supplies, UPS systems, converters, freewheeling diodes, welding, and reverse battery protection.

MAJOR RATINGS AND CHARACTERISTICS

SYMBOL

CHARACTERISTICS

VALUES

UNITS

IF(AV)

Rectangular waveform

240

A

VRRM

150

V

IFSM

tp = 5 µs sine

20 000

A

VF

240 Apk, TJ = 125 °C

0.78

V

TJ

Range

- 55 to 175

°C

VOLTAGE RATINGS

PARAMETER

SYMBOL

249NQ150PbF

UNITS

Maximum DC reverse voltage

VR

150

V

Maximum working peak reverse voltage

VRWM

ABSOLUTE MAXIMUM RATINGS

PARAMETER

SYMBOL

TEST CONDITIONS

VALUES

UNITS

Maximum average forward current

IF(AV)

50 % duty cycle at TC = 121 °C, rectangular waveform

240

See fig. 5

A

Maximum peak one cycle

5 µs sine or 3 µs rect. pulse

Following any rated

20 000

non-repetitive surge current

IFSM

load condition and with

10 ms sine or 6 ms rect. pulse

2300

See fig. 7

rated VRRM applied

Non-repetitive avalanche energy

EAS

TJ = 25 °C, IAS = 5.5 A, L = 1 mH

15

mJ

Repetitive avalanche current

IAR

Current decaying linearly to zero in 1 µs

1

A

Frequency limited by TJ maximum VA = 1.5 x VR typical

Document Number: 94172

For technical questions, contact: [e-mail]

www.vishay.com

Revision: 28-Apr-08

1

249NQ150PbF

Vishay High Power Products				Schottky Rectifier, 240 A
ELECTRICAL SPECIFICATIONS
PARAMETER			SYMBOL				TEST CONDITIONS		VALUES	UNITS
					240 A			TJ = 25 °C	1.21
Maximum forward voltage drop per leg			VFM (1)		480 A				1.65	V
See fig. 1					240 A			TJ = 125 °C	0.78
					480 A				0.94
Maximum reverse leakage					TJ = 25 °C				6
current per leg			IRM					VR = Rated VR		mA
					TJ = 125 °C				85
See fig. 2
Maximum junction capacitance			CT		VR = 5 VDC (test signal range 100 kHz to 1 MHz) 25 °C				6000	pF
Typical series inductance			LS		From top of terminal hole to mounting plane				5.0	nH
Maximum voltage rate of change			dV/dt		Rated VR				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					TJ, TStg				- 55 to 175	°C
Maximum thermal resistance,					RthJC		DC operation		0.19
junction to case							See fig. 4
										°C/W
Typical thermal resistance,					RthCS		Mounting surface, smooth and greased		0.05
case to heatsink
Approximate weight									30	g
									1.06	oz.
Mounting torque			minimum						3 (26.5)
			maximum				Non-lubricated threads		4 (35.4)	N m
Terminal torque			minimum						3.4 (30)	(lbf in)
			maximum						5 (44.2)
Case style									HALF-PAK module

www.vishay.com	For technical questions, contact: [e-mail]	Document Number: 94172
2		Revision: 28-Apr-08

249NQ150PbF

Schottky Rectifier, 240 A Vishay High Power Products

		1000
			TJ = 175 °C
<![if ! IE]> <![endif]>Instantaneous Forward	<![if ! IE]> <![endif]>Current (A)	100
		10		TJ = 125 °C
<![if ! IE]> <![endif]>-			TJ = 25 °C
<![if ! IE]> <![endif]>F
<![if ! IE]> <![endif]>I
		1
		0	0.5	1.0	1.5	2.0	2.5

VFM - Forward Voltage Drop (V)

Fig. 1 - Maximum Forward Voltage Drop Characteristics

10 000

<![if ! IE]> <![endif]>(pF)
<![if ! IE]> <![endif]>CapacitanceJunction-	1000
<![if ! IE]> <![endif]>T
<![if ! IE]> <![endif]>C
	100

0 30

	1000
<![if ! IE]> <![endif]>(mA)	100				TJ = 175 °C
				TJ = 150 °C
<![if ! IE]> <![endif]>Current	1														TJ = 125 °C
	10
				TJ = 100 °C
<![if ! IE]> <![endif]>Reverse-	0.1														TJ = 75 °C
							TJ	= 50 °C
<![if ! IE]> <![endif]>R	0.01								TJ = 25 °C
<![if ! IE]> <![endif]>I
	0.001
															90							150
	0			30				60												120

VR - Reverse Voltage (V)

Fig. 2 - Typical Values of Reverse Current vs.

Reverse Voltage

TJ = 25 °C

60

90

120

VR - Reverse Voltage (V)

Fig. 3 - Typical Junction Capacitance vs. Reverse Voltage

<![if ! IE]>

<![endif]>ZthJC - Thermal Impedance (°C/W)

1
0.1
			D = 0.75
0.01			D = 0.50
			D = 0.33
	Single pulse		D = 0.25
			D = 0.20
	(thermal resistance)
0.001
0.00001	0.0001	0.001	0.01	0.1	1	10

t1 - Rectangular Pulse Duration (s)

Fig. 4 - Maximum Thermal Impedance ZthJC Characteristics

Document Number: 94172	For technical questions, contact: [e-mail]	www.vishay.com
Revision: 28-Apr-08		3