DS30370 Rev. 1 - 2

2 of 3

BZX84C43 - BZX84C51

www.diodes.com

Notes:

2. Short duration test pulse used to minimize self-heating effect.

3. f = 1KHz.

Type

Number

Marking

Code

Zener Voltage

Range

(Note 2)

Maximum Zener

Impedance

(Note 3)

Maximum Reverse

Current

(Note 2)

Typical Temperature

Coefficient

mV/

°C

Min

Max

Nom (V) Min (V) Max (V)

(mA)

(

W)(W)

(mA)

(

mA)

(V)

BZX84C43

Y15/KYF

43

40.0

46.0

2.0

150

375

0.5

0.1

30.1

10.0

12.0

BZX84C47

Y16/KYG

47

44.0

50.0

2.0

170

375

0.5

0.1

32.9

10.0

12.0

BZX84C51

Y17/KYH

51

48.0

54.0

2.0

180

400

0.5

0.1

35.7

10.0

12.0

400

T , Ambient Temperature, (°C)

A

Fig. 1 Power Derating Curve

See Note 1

200

100

300

0

500

0

100

200

0

2

4

6

8

10

10

20

30

40

50

60

70

80

90 100

V , ZENER VOLTAGE (V)

Z

Fig. 2 Zener Breakdown Characteristics

Tj = 25°C

Test Current I

Z

2mA

C43

C47

C51

1

10

100

100

10

V , NOMINAL ZENER VOLTAGE (V)

Z

Fig. 3 Total Capacitance vs Nominal Zener Voltage

T = 25°C

j

f = 1MHz

V= 1V

R

V= 2V

R