onsemi, 4.3V Zener Diode ±5% 1.5 W SMT 2-Pin CASE 403D

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Subtotal (1 pack of 25 units)*

£5.425

(exc. VAT)

£6.50

(inc. VAT)

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  • 6,775 unit(s) ready to ship
  • Plus 999,993,200 unit(s) shipping from 11 December 2025
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Per unit
Per Pack*
25 - 75£0.217£5.43
100 - 225£0.187£4.68
250 - 475£0.162£4.05
500 - 975£0.143£3.58
1000 +£0.13£3.25

*price indicative

Packaging Options:
RS Stock No.:
186-9460
Mfr. Part No.:
1SMA5916BT3G
Brand:
onsemi
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Brand

onsemi

Diode Configuration

Single

Nominal Zener Voltage

4.3V

Number of Elements per Chip

1

Mounting Type

Surface Mount

Maximum Power Dissipation

1.5 W

Package Type

CASE 403D

Zener Type

Voltage Regulator

Zener Voltage Tolerance

±5%

Pin Count

2

Test Current

87.2mA

Maximum Zener Impedance

500Ω

Maximum Reverse Leakage Current

2.5µA

Dimensions

4.57 x 2.92 x 2mm

Minimum Operating Temperature

-65 °C

Forward Voltage

1.2V

Forward Current

200mA

Maximum Operating Temperature

+150 °C

Automotive Standard

AEC-Q101

Zener Diodes 1.5W, 1SMA59xxBT, SZ1SMA59xxBT Series, ON Semiconductor


This 1.5 W Zener diode is designed for general purpose voltage regulation applications.

Standard Zener Breakdown Voltage Range – 3.3 V to 68 V
ESD Rating of Class 3 (>16 kV) per Human Body Model
Flat Handling Surface for Accurate Placement
Package Design for Top Side or Bottom Circuit Board Mounting
Low Profile Package
Available in Tape and Reel
Ideal Replacement for MELF Packages
Mechanical Characteristics:
Case: Void-free, transfer-molded plastic
Finish: All external surfaces are corrosion resistant with readily solderable leads
Maximum Case Temperature for Soldering Purposes: 260 °C for 10 seconds
POLARITY: Cathode indicated by molded polarity notch or cathode band.

Pb-Free Packages are Available
PPAP capable
SZ Prefix for Automotive and Other Applications Requiring Unique Site and Control Change Requirement


Zener Diodes, ON Semiconductor

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