Datasheet > 1N5254URTRE3

1N5254URTRE3

更新时间： 2024-02-10 16:32:24

品牌	Logo	应用领域
美高森美 - MICROSEMI		/
页数	文件大小	规格书
3页	149K
描述
Zener Diode, 27V V(Z), 20%, 0.5W,

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1N5254URTRE3 数据手册

1N5221UR thru 1N5281BUR, e3

(or MLL5221 thru MLL5281B, e3)

500 mW GLASS SURFACE MOUNT

ZENER DIODES

S C O T T S D A L E D I V I S I O N

NOTE 1: Table as shown lists type numbers, which indicate a tolerance of +/-20% with guaranteed limits on only V_Z, I_R, and V_F. Devices with

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: Temperature coefficient (α_vz). Test conditions for temperature coefficient are as follows:

_ZT= 7.5 mA, T₁= 25^oC,

T₂= 125^oC (1N5221AUR & BUR thru 1N5242AUR & BUR)

b. I_ZT= Rated I_ZT, T₁= 25^oC,

T₂= 125^oC (1N5243AUR & BUR thru 1N5281AUR & BUR)

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

Voltage Temperature

Coefficient %/^oC

T_EC

mV Change /ºC

T_A

T_EC– End Cap Temperature (^oC), or

T_AAmbient Temperature on FR4 PC BOARD

NOMINAL ZENER VOLTAGE (VOLTS)

FIGURE 2

FIGURE 1

POWER DERATING CURVE

ZENER VOLTAGE TEMPERATURE

COEFFICIENT vs. ZENER VOLTAGE

PACKAGE DIMENSIONS

INCHES

MILLIMETERS

DIM

MIN

MAX

0.067

0.146

0.022

MIN

1.60

3.30

0.41

MAX

1.70

3.70

0.55

0.063

0.130

0.016

INCHES

5.08

1.40

2.03

.200

.055

.080

PAD LAYOUT

FIGURE 3

CAPACITANCE vs. ZENER VOLTAGE

(TYPICAL)

8-29-2005 REV B

Microsemi

Page 3

Scottsdale Division

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

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