Datasheet > 1N2978AHR

1N2978AHR

更新时间： 2024-12-02 04:15:43

品牌	Logo	应用领域
DIGITRON		/
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5页	1489K
描述
Zener Diode

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数据手册

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1N2978AHR 数据手册

1N2970-1N3015B,

1N3993-1N4000A

10 WATT ZENER DIODES

High-reliability discrete products

and engineering services since 1977

FEATURES



Available as “HR” (high reliability) screened per MIL-PRF-19500, JANTX level. Add “HR” suffix to base part number.



Available as non-RoHS (Sn/Pb plating), standard, and as RoHS by adding “-PBF” suffix.

MAXIMUM RATINGS

Parameter

Value

Junction temperature

Storage temperature

DC power dissipation

Power derating

-65°C to +175°C

-65°C to +200°C

10 watts

80 mW/°C above 50°C

@ 2.0 A: 1.5 volts

Forward voltage

Thermal resistance

Solder temperature

10°C/W (typical) junction to case (stud)

260°C for 10 s (max)

ELECTRICAL CHARACTERISTICS (T_A= 25°C unless otherwise specified)

Nominal

zener

voltage

V_Z@ I_ZT

(note 2)

Max DC

zener

current (I_ZM

@ 75°C stud

temp

Typical

temp.

coefficient

Part

number

Max. dynamic impedance

Zener test

current

Max. reverse

current

)

(note 3)

(note 1)

(I_ZT)

I_R@ V_R

Polarity

α_VZ

(note 4)

Z_ZK@ 1mA

Z_ZT@ I_ZT

Volts

(I_ZK)

%/°C

µA

Volts

ohms

1N3993A

1N3994A

1N3995A

1N3996A

1N3997A

1N3998A

1N3999A

1N4000A

1N2970B

1N2971B

1N2972B

1N2973B

1N2974B

1N2975B

1N2976B

1N2977B

1N2978B

1N2979B

3.9

4.3

4.7

5.1

5.6

6.2

6.8

7.5

6.8

7.5

8.2

9.1

640

580

530

490

445

405

370

335

370

335

305

275

250

230

210

190

180

170

2.0

1.5

1.2

1.1

1.0

1.1

1.2

1.3

1.2

1.3

1.5

2.0

400

2380

2130

1940

1780

1620

1460

1330

1210

1320

1180

1040

960

-.046

-.033

-.015

+/-.010

+.030

+.049

+.040

+.045

.040

100

0.5

1.0

2.0

3.0

5.2

5.7

6.2

6.9

7.6

8.4

9.1

9.9

10.5

11.4

400

500

550

600

750

500

250

500

250

Standard

polarity

cathode to

stud

150

100

.045

.048

.051

Standard

polarity

anode to

stud

860

.055

780

.060

720

.065

660

.065

600

.070

560

.070

Rev. 20150317

12 3 4 5

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