1N957CUR-1 datasheet, PDF - EEWORLD Datasheet

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1N957CUR-1: DescriptionZener Diode; CategoryDiscrete semiconductor diode; File Size214KB，2 Pages; ManufacturerCobham PLC

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1N957CUR-1 Overview

Zener Diode

1N957CUR-1 Parametric

Parameter Name	Attribute value
Maker	Cobham PLC
Reach Compliance Code	unknown
ECCN code	EAR99
Diode type	ZENER DIODE

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Silicon Zener Diode Series

1N957BUR-1 thru 1N986BUR-1

Features

•

Available in JAN, JANTX and JANTXV per MIL-PRF-19500/117

Standard voltage tolerences are plus/minus 5%

with B suffix, 10% with A suffix identification.

Tight tolerences available in plus or minus 2% or

1% with C or D suffix respectively.

500 mW power handling

Hermetically sealed axial-leaded glass DO-213AA package.

Maximum Ratings

Operating & Storage Temperature: -65°C to +175°C

Thermal Resistance:

Steady-State Power:

250°C/W

0.5 watts

Foward Voltage @200 MA: 1.1 V for 1N957BUR-1 – 1N986BUR-1

Electrical Specifications @ +25 ºC (Unless Otherwise Specified)

JEDEC

TYPE

Number

(Note1)

1N957BUR-1

1N958BUR-1

1N959BUR-1

1N960BUR-1

1N961BUR-1

1N962BUR-1

1N963BUR-1

1N964BUR-1

1N965BUR-1

1N966BUR-1

1N967BUR-1

1N968BUR-1

1N969BUR-1

1N970BUR-1

1N971BUR-1

1N972BUR-1

1N973BUR-1

1N974BUR-1

1N975BUR-1

1N976BUR-1

1N977BUR-1

1N978BUR-1

1N979BUR-1

1N980BUR-1

1N981BUR-1

1N982BUR-1

1N983BUR-1

1N984BUR-1

1N985BUR-1

1N986BUR-1

Normal

Zener

Voltage

Volts

6.8

7.5

8.2

9.1

100

110

Zener

Test

Current

IZT

18.5

16.5

15.0

14.0

12.5

11.5

10.5

9.5

8.5

7.8

7.0

6.2

5.6

5.2

4.6

4.2

3.8

3.4

3.2

3.0

2.7

2.5

2.2

2.0

1.8

1.7

1.5

1.4

1.3

1.1

Maximum Zener

Impedance

ZZT @ IZT

Ohms

4.5

5.5

6.5

7.5

8.5

9.5

11.5

105

125

150

185

230

270

330

400

500

750

ZZK @

Ohms

700

750

1000

1500

2000

3000

4000

IZK

1.0

.25

Maximum DC

Zener

Current

IZM

9.5

8.8

7.9

7.4

6.8

6.0

5.5

5.0

4.6

4.1

3.7

3.3

Maxmum Surge

Current

IZSM

300

275

250

225

200

175

160

150

130

120

110

100

Maximum Reverse

Leakage

IR @ VR

μA

Volts

150

5.2

5.7

6.2

6.9

7.6

8.4

9.1

9.9

11.4

12.2

13.7

15.2

16.7

18.2

20.6

22.8

25.1

27.4

29.7

32.7

35.8

38.8

42.6

47.1

51.7

56.0

62.2

69.2

76.0

83.6

Maximum

Temperature

Coefficient

%/°C

+0.05

+0.058

+0.065

+0.068

+0.075

+0.076

+0.077

+0.079

+0.082

+0.083

+0.085

+0.086

+0.087

+0.088

+0.090

+0.091

+0.092

+0.093

+0.094

+0.095

+0.096

+0.097

+0.098

+0.099

+0.11

NOTE 1:

The JEDEC type numbers shown (B Suffix) have a +5% tolerence on nominal Zener Votlage. The suffix A is used to identify +10%

tolerance; suffix C is used to identify +2%: and suffix D is used identify +1%; no suffix indicates +20%.

Revision Date: 4/18/2012

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