Littelfuse SZ1SMA43AT3G 1-Element Uni-Directional TVS Diode, 400 W, 2-Pin DO-214

Bulk discount available

Subtotal (1 pack of 20 units)*

£5.72

(exc. VAT)

£6.86

(inc. VAT)

Add to Basket
Select or type quantity
In Stock
  • Plus 4,460 unit(s) shipping from 20 April 2026
Need more? Click ‘Check delivery dates’ to find extra stock and lead times.

Units
Per unit
Per Pack*
20 - 80£0.286£5.72
100 - 180£0.166£3.32
200 - 380£0.152£3.04
400 - 780£0.15£3.00
800 +£0.149£2.98

*price indicative

Packaging Options:
RS Stock No.:
786-4618
Mfr. Part No.:
SZ1SMA43AT3G
Brand:
Littelfuse
Find similar products by selecting one or more attributes.
Select all

Brand

Littelfuse

Product Type

TVS Diode

Direction Type

Uni-Directional

Diode Configuration

Single

Minimum Breakdown Voltage Vbr

47.8V

Mount Type

Surface

Package Type

DO-214

Maximum Reverse Stand-off Voltage Vwm

43V

Pin Count

2

Peak Pulse Power Dissipation Pppm

400W

Maximum Peak Pulse Current Ippm

5.8A

Minimum Operating Temperature

-65°C

Test Current It

1mA

Clamping Voltage VC

69.4V

ESD Protection

Yes

Number of Elements per Chip

1

Maximum Operating Temperature

150°C

Length

4.57mm

Standards/Approvals

No

Series

SZ1SMA

Height

2.05mm

Automotive Standard

AEC-Q101

Maximum Reverse Leakage Current

2.5μA

400W Zener Transient Voltage Suppressor (Unidirectional)


The ON Semiconductor SMA series of Zener Transient Voltage Suppressors is designed to protect voltage sensitive components from damage caused by high voltage, high energy transients. They have excellent clamping capability with a high 400W surge capability and feature low zener impedance and fast response time.

The SMA series is designed to protect voltage sensitive components from high voltage, high energy transients. They have excellent clamping capability, high surge capability, low zener impedance and fast response time.

Transient Voltage Suppressors, ON Semiconductor


Related links