Datasheet > 1SMA5944B

1SMA5944B

更新时间： 2024-12-01 14:51:03

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描述
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数据手册

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1SMA5944B 数据手册

1SMA5913B – 1SMA5956B

1.5W SURFACE MOUNT ZENER DIODE

WON-TOP ELECTRONICS

Features



Glass Passivated Die Construction



1.5W Power Dissipation

3.3V – 200V Nominal Zener Voltage

5% Standard Vz Tolerance

Low Inductance

For Use in Voltage Regulator or Reference

Plastic Case Material has UL Flammability

Classification Rating 94V-0

SMA/DO-214AC

Min

Mechanical Data

Dim

Max

2.92

4.60

1.90

0.305

5.30

2.44

0.203

1.52



Case: SMA/DO-214AC, Molded Plastic

Terminals: Solder Plated, Solderable

per MIL-STD-750, Method 2026

Polarity: Cathode Band

2.29

4.00

1.27



0.152

4.80

Marking: Device Code

Weight: 0.064 grams (approx.)

2.00

Lead Free: For RoHS / Lead Free Version,

Add “-LF” Suffix to Part Number, See Page 5

0.051

0.76

All Dimensions in mm

Maximum Ratings @T_A=25°C unless otherwise specified

Characteristic

Symbol

Value

Unit

Power Dissipation at T_L= 75°C (Note 1)

Derate above 75°C

1.5

mW/°C

Forward Voltage @ IF = 200mA

1.2

°C/W

°C

Thermal Resistance, Junction to Ambient (Note 2)

Thermal Resistance, Junction to Lead (Note 1)

RθJA

RθJL

250

Operating and Storage Temperature Range

TJ, TSTG

-65 to +150

Note: 1. Mounted on FR-4 PCB with 25.4 x 25.4mm copper pads.

2. Mounted on ceramic substrate with minimum recommended pad layout.

Revision: September, 2012

www.wontop.com

12 3 4 5

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