500 mW GLASS SURFACE MOUNT

ZENER DIODES

S C O T T S DA L E D I V I SI ON

1N5221UR thru 1N5281BUR, e3

(or MLL5221 thru MLL5281B, e3)

NOTE 1:

Table as shown lists type numbers, which indicate a tolerance of +/-20% with guaranteed limits on only

guaranteed limits on all six parameters are indicated by suffix “A” for +/-10%, “B” for +/-5%, “C” for +/-2%, and “D” for +/-1% tolerance.

NOTE 2:

The electrical characteristics are measured after allowing the device to stabilize for 20 seconds.

NOTE 3:

a.

b.

Device to be temperature stabilized with current applied prior to reading breakdown voltage at the specified ambient temperature.

NOTE 4: These devices may be ordered as either 1N5221UR thru 1N5281BUR or as MLL5221 thru MLL5281B part numbers.

GRAPHS

Microsemi

Scottsdale Division

Page 3

Copyright

2005

8-29-2005 REV B

NOMINAL ZENER VOLTAGE (VOLTS)

Voltage Temperature

Coefficient %/

mV Change /ºC

FIGURE 1

FIGURE 2

POWER DERATING CURVE

ZENER VOLTAGE TEMPERATURE

COEFFICIENT vs. ZENER VOLTAGE

PACKAGE DIMENSIONS

PAD LAYOUT

INCHES

MILLIMETERS

DIM

MIN

MAX

MIN

MAX

A

0.063

0.067

1.60

1.70

B

0.130

0.146

3.30

3.70

C

0.016

0.022

0.41

0.55

INCHES

mm

A

.200

5.08

B

.055

1.40

C

.080

2.03

FIGURE 3

CAPACITANCE vs. ZENER VOLTAGE

(TYPICAL)

8700 E. Thomas Rd. PO Box 1390, Scottsdale, AZ 85252 USA, (480) 941-6300, Fax: (480) 947-1503