Vishay MBR7..PbF Series Data Sheet

MBR7..PbF Series

Vishay High Power Products

Schottky Rectifier, 7.5 A

	Base
	cathode
		2
	1	3
TO-220AC	Cathode	Anode

PRODUCT SUMMARY

IF(AV)	7.5 A
VR	35 to 45 V
IRM	15 mA at 125	°C

FEATURES

•150 °C TJ operation

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

•High frequency operation

•Low forward voltage drop

Pb-free

Available

RoHS*

COMPLIANT

•Guard ring for enhanced ruggedness and long term reliability

•Lead (Pb)-free (“PbF” suffix)

•Designed and qualified for industrial level

DESCRIPTION

The MBR7..PbF Schottky rectifier has been optimized for low reverse leakage at high temperature. 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.

MAJOR RATINGS AND CHARACTERISTICS
SYMBOL				CHARACTERISTICS			VALUES	UNITS
IF(AV)		Rectangular waveform				7.5		A
VRRM							35 to 45	V
IFSM		tp = 5 µs sine				690		A
VF		7.5 Apk, TJ = 125 °C				0.57		V
TJ		Range					- 65 to 150	°C
VOLTAGE RATINGS
PARAMETER				SYMBOL	MBR735PbF		MBR745PbF	UNITS
Maximum DC reverse voltage				VR	35	45		V
Maximum working peak reverse voltage				VRWM
ABSOLUTE MAXIMUM RATINGS
PARAMETER				SYMBOL	TEST CONDITIONS			VALUES		UNITS
Maximum average forward current				IF(AV)	TC = 131 °C, rated VR			7.5		A
							Following any rated load
					5 µs sine or 3 µs rect. pulse		condition and with rated	690
Non-repetitive peak surge current				IFSM			VRRM applied			A
					Surge applied at rated load condition half wave			150
					single phase 60 Hz
Non-repetitive avalanche energy				EAS	TJ = 25 °C, IAS = 2 A, L = 3.5 mH			7		mJ
Repetitive avalanche current				IAR	Current decaying linearly to zero in 1 µs			2		A
					Frequency limited by TJ maximum VA = 1.5 x VR typical
* Pb containing terminations are not RoHS compliant, exemptions may apply
Document Number: 94299			For technical questions, contact: [e-mail]					www.vishay.com
Revision: 20-Aug-08										1

MBR7..PbF Series

Vishay High Power Products Schottky Rectifier, 7.5 A

ELECTRICAL SPECIFICATIONS

PARAMETER	SYMBOL		TEST CONDITIONS		VALUES	UNITS
		15 A		TJ = 25 °C	0.84
Maximum forward voltage drop	VFM (1)	7.5 A		TJ = 125 °C	0.57	V
		15 A			0.72
Maximum instantaneous reverse current	IRM (1)	TJ = 25 °C		Rated DC voltage	0.1	mA
		TJ = 125 °C			15
Maximum junction capacitance	CT	VR = 5 VDC (test signal range 100 kHz to 1 MHz) 25 °C			400	pF
Typical series inductance	LS	Measured from top of terminal to mounting plane			8.0	nH
Maximum voltage rate of change	dV/dt	Rated VR			1000	V/µs

Note

(1) Pulse width < 300 µs, duty cycle < 2 %

THERMAL - MECHANICAL SPECIFICATIONS

	PARAMETER		SYMBOL	TEST CONDITIONS	VALUES	UNITS
	Maximum junction temperature range		TJ		- 65 to 150	°C
	Maximum storage temperature range		TStg		- 65 to 175
	Maximum thermal resistance,		RthJC	DC operation	3.0
	junction to case
						°C/W
	Typical thermal resistance,		RthCS	Mounting surface, smooth and greased	0.50
	case to heatsink
	Approximate weight				2	g
					0.07	oz.
	Mounting torque	minimum			6 (5)	kgf · cm
		maximum			12 (10)	(lbf · in)
	Marking device			Case style TO-220AC	MBR745

www.vishay.com	For technical questions, contact: [e-mail]	Document Number: 94299
2		Revision: 20-Aug-08

MBR7..PbF Series

Schottky Rectifier, 7.5 A Vishay High Power Products

<![if ! IE]>

<![endif]>IF - Instantaneous Forward Current (A)

100

10 TJ = 150 °C TJ = 125 °C TJ = 25 °C

1

0

0.2

0.4

0.6

0.8

1.0

1.2

1.4

1.6

1.8

2.0

VFM - Forward Voltage Drop (V)

Fig. 1 - Maximum Forward Voltage Drop Characteristics

(Per Leg)

<![if ! IE]>

<![endif]>IR - Reverse Current (mA)

100

TJ = 150 °C 10

TJ = 125 °C

1 TJ = 100 °C

0.1 TJ = 75 °C

0.01 TJ = 50 °C

0.001 TJ = 25 °C

0.0001

0

5

10

15

20

25

30

35

40

45

VR - Reverse Voltage (V)

Fig. 2 - Typical Values of Reverse Current vs. Reverse Voltage (Per Leg)

<![if ! IE]>

<![endif]>CT - Junction Capacitance (pF)

1000

TJ = 25 °C

100

0

10

20

30

40

50

VR - Reverse Voltage (V)

Fig. 3 - Typical Junction Capacitance vs. Reverse Voltage (Per Leg)

<![if ! IE]> <![endif]>(°C/W)	10
<![if ! IE]> <![endif]>Impedance	1
	0.1					PDM
<![if ! IE]> <![endif]>- Thermal				D = 0.75		t1
						t2
				D = 0.50
	0.01			D = 0.33		Notes:
				D = 0.25
<![if ! IE]> <![endif]>thJC		Single pulse		D = 0.20		1. Duty factor D = t1/t2 .
						2. Peak TJ = PDM x ZthJC + TC
		(thermal resistance)
<![if ! IE]> <![endif]>Z	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 (Per Leg)

Document Number: 94299	For technical questions, contact: [e-mail]	www.vishay.com
Revision: 20-Aug-08		3