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Fabricante

1N957B

0.5W Silicon Planar Zener Diodes

Micro Commercial Components 

MCC

 omponents

21201 Itasca Street Chatsworth



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• Zener Voltage 6.8V to 51V

• Silicon Planar Power Zener Diodes

• Standards zener voltage tolerance is ±20%, Add suffix “A” for

±10% tolerance and suffix “B” for ±5% tolerance, non standards

and higher zener voltage upon request

1N957

 THRU

1N978

0.5W Silicon Planar

Zener Diodes

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• Case: DO-35 glass case

• Polarity: Color band denotes cathode end

• Weight: Approx. 0.13 gram

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Zener Current

Power Dissipation

@ TA=25oC

Junction Temperature

Storage Temperature

Range

Symbol

Ptot

TJ

TSTG

Value

See Table 1

500

175

-65 to 175

Units

mW

oC

oC

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Thermal resistance

Forward Voltage

@ IF=200mA

Symbol

R-$

VF

Maximum

300

1.5

Unit

oC/W

V

NOTE:

Valid provided that a distance of 8mm from case are kept at

ambient temperature

DO-35

D

A

Cathode

Mark

B

D

C

DIMENSIONS

INCHES

DIM

MIN

MAX

A

---

.166

B

---

.079

C

---

.020

D

1.000

---

MM

MIN

---

---

---

25.40

MAX

4.2

2.00

.52

---

NOTE

www.mccsemi.com

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