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Zener Diodes for Over Voltage Protection that Use the Ultra-Small SOD-962 Package to Contribute to High-Density Mounting on Equipment
Product News 2022-7
Toshiba Electronic Devices & Storage Corporation ("Toshiba") has launched “CSLZ series” Zener diodes that protect semiconductor devices from switching surges, induced lightning surges[1], and electrostatic discharges (ESD)[2]. This lineup has 10 products having Zener voltage (typ.) ranging from 5.6 V to 30 V.
The new products protect semiconductor devices from ESD[2] in the order of nanoseconds, switching surges in the order of microseconds to milliseconds, and over voltage close to DC. By using the ultra-small package SOD-962[3]—whose mounting area is 0.1984 mm2 (typ.)—for the first time for Toshiba‘s Zener diodes, the products have reduced their footprint by about 85 % compared with Toshiba‘s current products[4] using the SOD-523[5] package, allowing high-density mounting on equipment. The products contribute to the effective use of circuit boards and higher reliability of equipment.
Notes:
[1] @IEC61000-4-5, tp=8/20 μs
[2] @IEC61000-4-2
[3] Toshiba’s package name: SL2
[4] CEZ series
[5] Toshiba’s package name: ESC
Applications
- Electronic device (IoT devices, mobile devices, etc.)
Features
- SOD-962[3] package suitable for high-density mounting: 0.62 mm × 0.32 mm × 0.3 mm (typ.)
- Allows protection from surges with wide pulse width range in the order of microseconds to milliseconds.
- Zener voltage lineups of wide range: VZ (typ.)=5.6 V to 30 V
Main Specifications
(@Ta=25 °C)
Part number |
Package |
Absolute maximum ratings |
Zener voltage VZ (V) |
Clamp VC[6][7] typ. (V) |
Dynamic resistance RDYN[6] typ. (Ω) |
||||
|---|---|---|---|---|---|---|---|---|---|
Name |
Size typ. (mm) |
||||||||
Electrostatic VESD[2] (kV) |
Peak IPP[1] (A) |
typ. |
Test IZ (mA) |
||||||
Contact |
Air |
||||||||
SOD-962[3] |
0.62 × 0.32 × 0.3 |
±30 |
2.5 |
5.6 |
5 |
9 |
0.25 |
||
6.2 |
10.5 |
0.38 |
|||||||
6.8 |
14.5 |
0.5 |
|||||||
8.2 |
17 |
0.62 |
|||||||
10 |
18 |
0.5 |
|||||||
±20 |
12 |
28 |
1.5 |
||||||
±12 |
16 |
30 |
1.7 |
||||||
20 |
30 |
2.5 |
|||||||
±10 |
24 |
34 |
1.5 |
||||||
±8 |
30 |
2 |
51 |
4 |
|||||
Notes:
[6] 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=8 A and ITLP2=16 A.
[7] ITLP=8 A
Pin Assignment
Application Circuit Examples
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.
* 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.
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