Fairchild MMBZ5V6B service manual

March 2007

MMBZ5V6B

24 Watt Peak Power Zener Transient Voltage Suppressor

Applications

• For use as transient overvoltage protection for voltage and ESD sensitive equipment like laptop computers, HDD, printers, cellular
phones, and other applications.

Features

• SOT-23 Zener for ESD Protection

• Pb-free

• Maximum Clamping voltage = 8V @ Peak Pulse Current= 3A

• Working Peak Reverse Voltage = 3V

• HBM = 16KV (Class 3) ESD Rating

• Flammability Rating UL94 V-O

Connection Diagram

MMBZ5V6B 24 Watt Peak Power Zener Transient Voltage Suppressor

3.Anode

2. N/C

1.Cathode

SOT-23

Absolute Maximum Ratings * T

= 25°C unless otherwise noted

a

3

5V6

12

3

2

1

Symbol Parameter Value Unit

V

RWM

P

P

pk

T

STG

T

R

θJA

* These ratings are limiting values above which the serviceability of any semiconductor device may be impaired.

Electrical Characteristics T

Working Peak Reverse Voltage 3.0 V
Total Power Dissipation at 25°C

D

J

Derate above 25°C
Peak Power Dissipation @1.0mS 27 W
Storage Temperature -55 to +150 °C
Operating Junction Temperature +150 °C
Thermal Resistance Junction to Ambient, FR-5 Board 550 °C/W

= 25°C unless otherwise noted

C

225

1.8

Symbol Parameter Conditions Min. Max. Units

V

Z

Z

ZK

I

R

V

V

CL

Zener Voltage IZT = 20mA

Z

Zener Impedance IZT = 20mA 11 Ω

Z

Zener Knee Impedance IZK = 250µA 1600 Ω
Reverse Leakage VR = 3V 5 µA
Forward Voltage IF = 10mA 900 mV

F

Clamping Voltage IPP=3A Square wave Tp=300uS 8.0 V

IZT = 20mA

D.C
Pulse 26mS

5.32

5.31

5.88

5.85

mW

mW/°C

V
V

©2007 Fairchild Semiconductor Corporation 1 www.fairchildsemi.com

MMBZ5V6B Rev. A

Mechanical Dimensions

SOT-23

The pin identification shown below is for

Diode and Zener devices only

0.019 (0.483)

0.015 (0.381)

3

MMBZ5V6B 24 Watt Peak Power Zener Transient Voltage Suppressor

0.098 (2.489)

0.083 (2.108)

1

0.040 (1.016)

0.035 (0.889)

LOW PROFILE 0.0040 (0.102)

(49) 0.0005 (0.013)

3 CHARACTE RS MAX

0.080 (2.032)

0.070 (1.778)

0.120 (3.048)

0.110 (2.794)

SOT-23

350 MILLIWATT ZENE R

0.055 (1.397)

0.047 (1.194)

2

0.0059 (0.150)

0.0035 (0.089)

0.030” +/- 0.005”
(0.762 +/- 0.127)

0.024 (0.810)

0.018 (0.457)

LOW PROFILE 0.041 (1.041)
(49) 0.030 (0.762)

MMBZ5V6B Rev. A

0.120” MIN IM UM

(3.048 )

0.035” TYPICAL

(0.889 )

RECOMMENDED SOLDER PAD S

FOR

SOT-23

2 www.fairchildsemi.com

0.060” +/- 0.005”
(1.524 +/- 0.127)