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The information presented in this cross reference is based on TOSHIBA's selection criteria and should be treated as a suggestion only. Please carefully review the latest versions of all relevant information on the TOSHIBA products, including without limitation data sheets and validate all operating parameters of the TOSHIBA products to ensure that the suggested TOSHIBA products are truly compatible with your design and application.
Please note that this cross reference is based on TOSHIBA's estimate of compatibility with other manufacturers' products, based on other manufacturers' published data, at the time the data was collected.
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Expanded Lineup of Surge Protection Zener Diodes that Support the Quality Improvement of Electronic Equipment by Adding SOT-23 Package Products

Product News 2022-6

The package photograph of Lineup Expanded Lineup of Surge Protection Zener Diodes that Support the Quality Improvement of Electronic Equipment by Adding SOT-23 Package Products

Toshiba Electronic Devices & Storage Corporation ("Toshiba") has expanded the lineup of Zener diode products in the “MKZ series” by launching products that use the SOT-23 package. Zener diodes protect electronic devices from switching surges[1] and ESD (Electrostatic Discharge)[2].

When mechanical relays or motors are driven, surges can be generated by the counter electromotive force of the coils. The new products are Zener diodes that protect electronic devices from switching surges and ESD. In addition, in the same way as current products in the lineup, the new products can absorb surges well with their low dynamic resistance and low clamp voltage characteristics, suppressing voltage added to electronic devices. This helps to improve the quality of electronic equipment.
Ten products using the general-purpose SOT-23 package are in the lineup with Zener voltages of 5.6 V to 36 V (typ.) to support common voltage values. This allows them to support various voltage lines and mounting areas.

Notes:
[1] @IEC61000-4-5, tp=8/20 μs pulse
[2] @IEC61000-4-2

Applications

  • Consumer equipment(home appliances, power supplies, etc.)
  • Industrial equipment(OA equipment, power supplies, etc.)

Features

  • Allows protection from surges with wide pulse width range in the order of microseconds to milliseconds.
  • Low dynamic resistance and low clamp voltage
  • Zener voltage lineups of wide range : VZ (typ.)=5.6 V to 36 V

Main Specifications

(@Ta=25 °C)

Part

number

Package

Absolute maximum ratings

Zener voltage

VZ

typ.

(V)

 

Clamp

voltage

VC [3][4]

typ.

(V)

Dynamic

resistance

RDYN[3]

typ.

(Ω)

Name

Size

typ.

(mm)

Electrostatic

discharge

voltage

VESD[2]

(kV)

 

Peak pulse current

IPP[1]

(A)

Contact

Air

@IZ=5 mA

MKZ5V6

SOT-23

(SOT23)

2.9×2.4×

0.9

±30

12

5.6

9

0.16

MKZ6V2

11

6.2

10

0.21

MKZ6V8

10

6.8

13

0.27

MKZ8V2

8.5

8.2

16.5

0.37

MKZ12V

7

12

26

0.7

MKZ16V

5.5

16

27

0.5

MKZ20V

5

20

30.5

0.35

MKZ24V

4.5

24

36.5

0.6

MKZ30V

±20

4

30[5]

47.5

1.25

MKZ36V

±12

3

36[5]

63

1.45

Notes:
[3] TLP parameters : Z0=50 Ω, tp=100 ns, tr=300 ps, averaging window : t1=30 ns to t2=60 ns,
extraction of dynamic resistance using least squares fit of TLP characteristics between ITLP1=16 A and ITLP2=30 A.
[4] ITLP=16 A
[5] @IZ=2 mA (MKZ30V, MKZ36V)

Internal Circuit

The illustration of internal circuit of Lineup Expanded Lineup of Surge Protection Zener Diodes that Support the Quality Improvement of Electronic Equipment by Adding SOT-23 Package Products

Application Circuit Examples

The illustration of application circuit examples of Expanded Lineup of Surge Protection Zener Diodes that Support the Quality Improvement of Electronic Equipment by Adding SOT-23 Package Products

Note:
The application circuits shown in this document are provided for reference purposes only.
Thorough evaluation is required, especially at the mass-production design stage.
Providing these application circuit examples does not grant any license for industrial property rights.

Characteristic Figures(Reference)

The illustration of characteristic figures of Lineup Expanded Lineup of Surge Protection Zener Diodes that Support the Quality Improvement of Electronic Equipment by Adding SOT-23 Package Products
The illustration of characteristic figures of Lineup Expanded Lineup of Surge Protection Zener Diodes that Support the Quality Improvement of Electronic Equipment by Adding SOT-23 Package Products

Notes:
[6] @Mounted on an FR4 board (25.4 × 25.4 mm、Cu pad 645 mm2), Ta=25 °C, TLP parameters : Z0=50 Ω, tp=100 ns, tr=300 ps, averaging window : t1=30 ns to t2=60 ns

* Information in this document, including product prices and specifications, content of services and contact information, is current on the date of the announcement but is subject to change without prior notice.