General Semiconductor BZX79-F9V1, BZX79-F8V2, BZX79-F7V5, BZX79-F6V8, BZX79-F6V2 Datasheet

SYMBOL VALUE UNIT

Zener Current (see Table “Characteristics”)
Power Dissipation at T

amb

= 25°C P

tot

500

(1)

mW

Junction Temperature T

j

-65 to 200 °C

Storage Temperature Range T

S

-65 to + 200 °C

Continuous Forward Current I

F

250 mA

Peak reverse power dissipation (non-repetitive) t

p

=100ms,

P

ZSM

40 Watts

square wave

BZX79 SERIES

SILICON PLANAR ZENER DIODES

FEATURES

The Zener voltages are graded according to the international
E 24 standard. Higher Zener voltages and 1% tolerance
available on request.

Diodes available in these tolerance series:
±2% BZX79-B

±3% BZX79-F
±5% BZX79-C

MECHANICAL DATA

Case: DO-35 Glass Case
Weight: approx. 0.13 g

MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS

Ratings at 25°C ambient temperature 8unless otherwise specified

12/10/98

min. 1.083 (27.5)

min. 1.083 (27.5)

max. .150 (3.8)

max.

∅

Cathode

.020 (0.52)

Mark

max.

∅

.079 (2.0)

Dimensions in inches and (millimeters)

DO-35

Characteristics at Tamb = 25°C

SYMBOL MIN. TYP. MAX. UNIT

Thermal Resistance

R

thJA

– – 0.3

(1)

°C/W

Junction to Ambient Air
Forward Voltage

V

F

– – 0.9 Volts

at IF= 10 mA

NOTES:

(1) Valid provided that leads are kept at ambient temperature at a distance of 8mm from case.

BZX79 – y2V4 100 < 600 – 0.08 – 0.06 50,000 1 167 450 6.0
BZX79 – y2V7 100 < 600 – 0.08 – 0.06 20,000 1 135 450 6.0
BZX79 – y3V0 95 < 600 – 0.08 – 0.06 10,000 1 125 450 6.0
BZX79 – y3V3 95 < 600 – 0.08 – 0.05 5,000 1 115 450 6.0
BZX79 – y3V6 90 < 600 – 0.08 – 0.04 5,000 1 105 450 6.0
BZX79 – y3V9 90 < 600 – 0.07 – 0.03 3,000 1 95 450 6.0
BZX79 – y4V3 90 < 600 – 0.04 – 0.01 3,000 1 90 450 6.0
BZX79 – y4V7 80 500 – 0.03 +0.01 3,000 1 85 300 6.0
BZX79 – y5V1 60 480 – 0.02 +0.05 2,000 1 80 300 6.0
BZX79 – y5V6 40 400 – 0.01 +0.06 1,000 1 70 300 6.0
BZX79 – y6V2 10 150 0 +0.07 3,000 2 64 200 6.0
BZX79 – y6V8 15 80 +0.01 +0.08 2,000 3 58 200 6.0
BZX79 – y7V5 15 80 +0.01 +0.09 1,000 5 53 150 4.0
BZX79 – y8V2 15 80 +0.01 +0.09 700 6 47 150 4.0
BZX79 – y9V1 15 100 +0.02 +0.10 500 7 43 150 3.0
BZX79 – y10 20 150 +0.03 +0.11 200 7.5 40 90 3.0
BZX79 – y11 20 150 +0.03 +0.11 100 8.5 36 85 2.5
BZX79 – y12 25 150 +0.03 +0.11 100 9 32 85 2.5
BZX79 – y13 30 170 +0.03 +0.11 100 10 29 80 2.5
BZX79 – y15 30 200 +0.03 +0.11 50 11 27 75 2.0
BZX79 – y16 40 200 +0.03 +0.11 50 12 24 75 1.5
BZX79 – y18 45 225 +0.03 +0.11 50 14 21 70 1.5
BZX79 – y20 55 225 +0.03 +0.11 50 15 20 60 1.5
BZX79 – y22 55 250 +0.03 +0.11 50 17 18 60 1.3
BZX79 – y24 70 250 +0.04 +0.12 50 18 16 55 1.3
BZX79 – y27 80

(3)

300

(4)

+0.04

(3)

+0.12 50 20 14 50 1.0

BZX79 – y30 80

(3)

300

(4)

+0.04

(3)

+0.12 50 22 13 50 1.0

BZX79 – x33 80

(3)

325

(4)

+0.04

(3)

+0.12 50 24 12 45 0.9

BZX79 – x36 90

(3)

350

(4)

+0.04

(3)

+0.12 50 27 11 45 0.8

BZX79 – x39 130

(3)

350

(4)

+0.04

(3)

+0.12 50 28 10 45 0.7

BZX79 – x43 150

(3)

375

(4)

+0.04

(3)

+0.12 50 32 9.2 40 0.6

BZX79 – x47 170

(3)

375

(4)

+0.04

(3)

+0.12 50 35 8.5 40 0.5

BZX79 – x51 180

(3)

400

(4)

+0.04

(3)

+0.12 50 38 7.8 40 0.4

BZX79 – x56 200

(3)

425

(4)

typ. +0.1

(3)

50 39 7.1 40 0.3

BZX79 – x62 215

(3)

450

(4)

typ. +0.1

(3)

50 43 6.4 35 0.3

BZX79 – x68 240

(3)

475

(4)

typ. +0.1

(3)

50 48 5.8 35 0.3

BZX79 – x75 255

(3)

500

(4)

typ. +0.1

(3)

50 53 5.3 35 0.2

BZX79 SERIES

ELECTRICAL CHARACTERISTICS

Ratings at 25°C ambient temperature unless otherwise specified.

Type

y = B for ±2%V

Z

y = F for ±3%V

Z

y = C for ±5%V

Z

Dynamic resistance

at at

IZ= 5 mA IZ= 1 mA

f = 1 kHZf = 1 kH

Z

rzjΩ rzjΩ

max. max

Temp coefficient
of Zener Voltage

at

I

Z

= 5 mA

∝ m

VZ

%/K

min. max.

Admissible

Zener

current

(2)

I

Z

(mA)

Capacitance

V

R

=0

f=1 MH

Z

(pF)

max.

Non-Repetitive

Peak Reverse

Currrent

at t

p

= 100µs

I

ZSM

(A)

Reverse leakage

Current

I

R

at V

R

nA V

NOTES:

(1) Tested with pulses t

p

= 5 ms.
(2) Valid provided that leads are kept at ambient temperature at a distance of 8 mm from case.
(3) at I

Z

= 2.0 mA

(4) at I

Z

= 0.5 mA

Y = Zener voltage tolerance designator

BZX79 – C2V4 2.20 2.60
BZX79 – C2V7 2.50 2.90
BZX79 – C3V0 2.80 3.20
BZX79 – C3V3 3.10 3.50
BZX79 – C3V6 3.40 3.80
BZX79 – C3V9 3.70 4.10
BZX79 – C4V3 4.00 4.60
BZX79 – C4V7 4.40 5.00
BZX79 – C5V1 4.80 5.40
BZX79 – C5V6 5.20 6.00
BZX79 – C6V2 5.80 6.60
BZX79 – C6V8 6.40 7.20
BZX79 – C7V5 7.00 7.90
BZX79 – C8V2 7.70 8.70
BZX79 – C9V1 8.50 9.60
BZX79 – C10 9.40 10.60
BZX79 – C11 10.40 11.60
BZX79 – C12 11.40 12.70
BZX79 – C13 12.40 14.10
BZX79 – C15 13.80 15.60
BZX79 – C16 15.30 17.10
BZX79 – C18 16.80 19.10
BZX79 – C20 18.80 21.20
BZX79 – C22 20.80 23.30
BZX79 – C24 22.80 25.60
BZX79 – C27 25.10 28.90

(3)

BZX79 – C30 28.00 32.00

(3)

BZX79 – C33 31.00 35.00

(3)

BZX79 – C36 34.00 38.00

(3)

BZX79 – C39 37.00 41.00

(3)

BZX79 – C43 40.00 46.00

(3)

BZX79 – C47 44.00 50.00

(3)

BZX79 – C51 48.00 54.00

(3)

BZX79 – C56 52.00 60.00

(3)

BZX79 – C62 58.00 66.00

(3)

BZX79 – C68 64.00 72.00

(3)

BZX79 – C75 70.00 79.00

(3)

BZX79 – F2V4 2.33 2.47
BZX79 – F2V7 2.62 2.78
BZX79 – F3V0 2.91 3.09
BZX79 – F3V3 3.20 3.40
BZX79 – F3V6 3.49 3.71
BZX79 – F3V9 3.78 4.02
BZX79 – F4V3 4.17 4.43
BZX79 – F4V7 4.56 4.84
BZX79 – F5V1 4.95 5.25
BZX79 – F5V6 5.43 5.77
BZX79 – F6V2 6.01 6.39
BZX79 – F6V8 6.60 7.00
BZX79 – F7V5 7.28 7.72
BZX79 – F8V2 7.95 8.45
BZX79 – F9V1 8.83 9.37
BZX79 – F10 9.70 10.30
BZX79 – F11 10.67 11.33
BZX79 – F12 11.64 12.36
BZX79 – F13 12.61 13.39
BZX79 – F15 14.55 15.45
BZX79 – F16 15.50 16.50
BZX79 – F18 17.50 18.50
BZX79 – F20 19.40 20.60
BZX79 – F22 21.30 22.70
BZX79 – F24 23.30 24.70
BZX79 – F27 26.20 27.80

(3)

BZX79 – F30 29.10 30.90

(3)

BZX79 – F33 32.00 34.00

(3)

BZX79 – F36 34.90 37.10

(3)

BZX79 – F39 37.80 40.20

(3)

BZX79 – F43 41.70 44.30

(3)

BZX79 – F47 45.60 48.40

(3)

BZX79 – F51 49.50 52.50

(3)

BZX79 – F56 54.30 57.70

(3)

BZX79 – F62 60.10 63.90

(3)

BZX79 – F68 66.00 70.00

(3)

BZX79 – F75 72.80 77.20

(3)

BZX79 B2V4 2.35 2.45
BZX79 B2V7 2.65 2.75
BZX79B3V0 2.94 3.06
BZX79B3V3 3.23 3.37
BZX79 B3V6 3.53 3.67
BZX79B3V9 3.82 3.98
BZX79B4V3 4.21 4.39
BZX79B4V7 4.61 4.79
BZX79B5V1 5.00 5.20
BZX79 B5V6 5.49 5.71
BZX79B6V2 6.08 6.32
BZX79B6V8 6.66 6.94
BZX79B7V5 7.35 7.65
BZX79B8V2 8.04 8.36
BZX79B9V1 8.92 9.28
BZX79B10 9.80 10.20
BZX79B11 10.80 11.20
BZX79B12 11.80 12.20
BZX79B13 12.70 13.30
BZX79B15 14.70 15.30
BZX79B16 15.70 16.30
BZX79B18 17.60 18.40
BZX79B20 19.60 20.40
BZX79B22 21.60 22.40
BZX79B24 23.50 24.50
BZX79B27 26.50 27.50

(3)

BZX79B30 29.40 30.60

(3)

BZX79B33 32.30 33.70

(3)

)

BZX79B36 35.30 36.70

(3)

BZX79B39 38.20 39.80

(3)

BZX79B43 42.10 43.90

(3)

BZX79B47 46.10 47.90

(3)

BZX79B51 50.00 52.00

(3)

BZX79B56 54.90 57.10

(3)

BZX79B62 60.80 63.20

(3)

BZX79B68 66.60 69.40

(3)

BZX79B75 73.50 76.50

(3)

BZX79 SERIES

ELECTRICAL CHARACTERISTICS

Ratings at 25°C ambient temperature unless otherwise specified.

Type Zener Voltage

range

(1)

at
IZ= 5 mA

VZV

±5% Tol. min. max.

Type Zener Voltage

range

(1)

at
IZ= 5 mA

VZV

±3% Tol. min. max.

Type Zener Voltage

range

(1)

at
IZ= 5 mA

VZV

±2% Tol. min. max.

See BZX79-y table for all characteristics other than zener voltage range.