Datasheet > 1SMA4740A

1SMA4740A

更新时间： 2023-12-06 19:45:54

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1SMA4740A 数据手册

1SMA4728A – SZ1330A

1.0W SURFACE MOUNT ZENER DIODE

WON-TOP ELECTRONICS

Features



Glass Passivated Die Construction



1.0W Power Dissipation

3.3V – 330V 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

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

Forward Voltage @ IF = 200mA

Symbol

Value

1.0

Unit

1.2

Thermal Resistance, Junction to Ambient (Note 2)

Thermal Resistance, Junction to Lead (Note 2)

RθJA

RθJL

125

°C/W

°C

Operating and Storage Temperature Range

TJ, TSTG

-65 to +150

Note: 1. Mounted on FR-4 PCB with 8.0 x 8.0 x 2.0mm copper pads.

2. Mounted on 25.4 x 21.6 x 1.6mm ceramic substrate with minimum recommended pad layout.

Revision: September, 2012

www.wontop.com

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