DISCRETE POWER AND SIGNAL

TECHNOLOGIES

MMSZ5230B

5% TOLERANCE

Electrical Characteristics

SYM

CHARACTERISTICS

MIN

MAX

UNITS

TEST CONDITIONS

V

Z

Zener Voltage

4.465

4.935

V

I

ZT

4.500

4.940

V

I

ZT

Z

Z

Zener Impedance

19.0

Ohms

I

ZT

= 20.0 mA

Z

ZK

Zener Knee Impedance

1,900

Ohms

I

ZK

=

250 uA

I

R

Reverse Leakage

5.0

uA

V

R

=

2.0 V

V

F

Forward Voltage

900

mV

I

F

=

10 mA

Parameter

Value

Units

Storage Temperature

-55 to +150

Maximum Junction Temperature

-55 to +150

500

mW

6.7

Thermal Resistance (R

340

Maximum Temperature Coefficient

+/-0.030

Nominal Zener Voltage (V

4.7

V

Note 1: These ratings are limiting values above which the serviceability of any semiconductor device may be impaired

Note 2: FR-4 or FR-5 = 3.5 x 1.5 inches using minimum recommended Land Pads.

Top Mark: D5

1: Cathode

2: Anode

2

1

© 1997 Fairchild Semiconductor Corporation

Features:

• Compact surface mount with same footprint as mini-melf

• 500 mW rating on FR-4 or FR-5 board.

• Class 3 ESD rating (>16 kV) per Human Body Model

Ordering:

• 7 inch reel (178 mm); 8 mm Tape; 3,000 units per reel.

General Description:

Half watt, General purpose, Medium Current Surface Mount

Zener in the SOD-123 package. The SOD-123 package has

the same footprint as the glass mini-melf (LL-34) package &

provides a convenient alternative to the Leadless package.