1SMA4745A datasheet(1/2 Pages) TAYCHIPST

Part #	1SMA4745A

Description	ZENER DIODES

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Manufacturer	TAYCHIPST [Shenzhen Taychipst Electronic Co., Ltd]

Direct Link	http://www.taychipst.com

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1000mW

ZENER DIODES

E-mail: sales@taychipst.com

Web Site: www.taychipst.com

1 of 2

1SMA4728A-1SMA4764A

FEATURES :

* Complete voltage range 3.3 to 100 volts

* High peak reverse power dissipation

* High reliability

* Low leakage current

* Standard zener voltage tolerance is ± 5%.

MECHANICAL DATA

* Case : SMA (DO-214AC) Molded plastic

* Epoxy : UL94V-O rate flame retardant

* Lead : Lead formed for Surface mount

* Polarity : Color band denotes cathode end

* Mounting position : Any

* Weight : 0.064 gram

MAXIMUM RATINGS

Rating at 25 °C ambient temperature unless otherwise specified

Rating

Symbol

Value

Unit

DC Power Dissipation at TL = 75 °C (Note1)

PD

1.0

W

Maximum Forward Voltage at IF = 200 mA

VF

1.2

V

Junction Temperature Range

TJ

- 55 to + 150

°C

Storage Temperature Range

TS

- 55 to + 150

°C

Note :

(1) P.C.B. Mounted on 0.31x0.31x0.08" (8x8x2mm) copper areas pad

0

25

50

75

100

125

150

175

TL, LEAD TEMPERATURE (°C)

0.25

0.50

0.75

1.00

1.25

Fig. 1

MAXIMUM CONTINUOUS POWER DERATING

0

P.C.B. Mounted on

0.31x0.31x0.08" (8x8x2mm)

copper areas pads

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