1SMA59 1.5W Zener Diode Voltage Regulator

onsemi 1SMA59 1.5W Zener Diode Voltage Regulator offers a standard Zener breakdown voltage range of 3.3V to 68V. The onsemi 1SMA59 caters to various voltage regulation needs. With an ESD rating of Class 3 (>16kV) per Human Body Model, the device ensures robust protection against electrostatic discharge. The device features a flat handling surface, facilitating precise placement during assembly. The 1SMA59 is an ideal replacement for MELF packages, combining reliability and ease of integration.

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Description Datasheet Availability Pricing (EUR) Filter the results in the table by unit price based on your quantity.
Qty. RoHS ECAD Model Vz - Zener Voltage
Mounting Style
Package/Case
Pd - Power Dissipation
Voltage Tolerance
Ir - Maximum Reverse Leakage Current
Zz - Zener Impedance
Minimum Operating Temperature
Maximum Operating Temperature
Configuration
Test Current
Qualification
Packaging
Series

onsemi Zener Diodes 15V 1.5W
Datasheet
28 380In Stock
25 000Expected 28/08/2026
MouseReel Available
Min.: 1
Mult.: 1
: 5 000

15 V SMD/SMT SMA-2 500 mW 5 % 500 nA 9 Ohms - 65 C + 150 C Single 25 mA Reel, Cut Tape, MouseReel 1SMA5929B

onsemi Zener Diodes 33V 1.5W
Datasheet
31 378In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 5 000

33 V SMD/SMT SMA-2 500 mW 5 % 500 nA 33 Ohms - 65 C + 150 C Single 11.4 mA Reel, Cut Tape, MouseReel 1SMA5937B

onsemi Zener Diodes 36V 1.5W
Datasheet
22 225In Stock
35 000Expected 18/12/2026
MouseReel Available
Min.: 1
Mult.: 1
: 5 000

36 V SMD/SMT SMA-2 500 mW 5 % 500 nA 38 Ohms - 65 C + 150 C Single 10.4 mA Reel, Cut Tape, MouseReel 1SMA5938B

onsemi Zener Diodes 51V 1.5W
Datasheet
67 766In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 5 000

51 V SMD/SMT SMA-2 500 mW 5 % 500 nA 70 Ohms - 65 C + 150 C Single 7.3 mA Reel, Cut Tape, MouseReel 1SMA5942B

onsemi Zener Diodes ZEN SMA REG 1.5W 4.3V TR
Datasheet
8 995In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 5 000
4.3 V SMD/SMT SMA-2 500 mW 5 % 2.5 uA 6 Ohms - 65 C + 150 C Single 87.2 mA AEC-Q100 Reel, Cut Tape, MouseReel 1SMA5916B

onsemi Zener Diodes ZEN SMA REG 1.5W 6.8V TR
Datasheet
7 905In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 5 000

6.8 V SMD/SMT SMA-2 500 mW 5 % 2.5 uA 2.5 Ohms - 65 C + 150 C Single 55.1 mA AEC-Q100 Reel, Cut Tape, MouseReel 1SMA5921B

onsemi Zener Diodes ZEN SMA REG 1.5W 7.5V TR
Datasheet
8 633In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 5 000
7.5 V SMD/SMT SMA-2 500 mW 5 % 2.5 uA 3 Ohms - 65 C + 150 C Single 50 mA AEC-Q100 Reel, Cut Tape, MouseReel 1SMA5922B

onsemi Zener Diodes ZEN SMA REG 1.5W 18V TR
Datasheet
7 281In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 5 000

18 V SMD/SMT SMA-2 500 mW 5 % 500 nA 12 Ohms - 65 C + 150 C Single 20.8 mA AEC-Q100 Reel, Cut Tape, MouseReel 1SMA5931B

onsemi Zener Diodes ZEN SMA REG 1.5W 20V TR
Datasheet
7 992In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 5 000

20 V SMD/SMT SMA-2 500 mW 5 % 500 nA 14 Ohms - 65 C + 150 C Single 18.7 mA AEC-Q100 Reel, Cut Tape, MouseReel 1SMA5932B

onsemi Zener Diodes ZEN SMA REG 1.5W 9.1V TR
Datasheet
5 515In Stock
5 000Expected 02/10/2026
MouseReel Available
Min.: 1
Mult.: 1
: 5 000

9.1 V SMD/SMT SMA-2 500 mW 5 % 2.5 uA 4 Ohms - 65 C + 150 C Single 41.2 mA AEC-Q100 Reel, Cut Tape, MouseReel 1SMA5924B

onsemi Zener Diodes 4.3V 1.5W
Datasheet
9 831In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 5 000

4.3 V SMD/SMT SMA-2 500 mW 5 % 2.5 uA 6 Ohms - 65 C + 150 C Single 87.2 mA Reel, Cut Tape, MouseReel 1SMA5916B

onsemi Zener Diodes 6.8V 1.5W
Datasheet
7 407In Stock
15 000Expected 28/08/2026
MouseReel Available
Min.: 1
Mult.: 1
Max.: 1 420
: 5 000

6.8 V SMD/SMT SMA-2 500 mW 5 % 2.5 uA 2.5 Ohms - 65 C + 150 C Single 55.1 mA Reel, Cut Tape, MouseReel 1SMA5921B

onsemi Zener Diodes 7.5V 1.5W
Datasheet
10 959In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 5 000

7.5 V SMD/SMT SMA-2 500 mW 5 % 2.5 uA 3 Ohms - 65 C + 150 C Single 50 mA Reel, Cut Tape, MouseReel 1SMA5922B

onsemi Zener Diodes 8.2V 1.5W
Datasheet
5 668In Stock
20 000On Order
MouseReel Available
Min.: 1
Mult.: 1
: 5 000

8.2 V SMD/SMT SMA-2 500 mW 5 % 2.5 uA 3.5 Ohms - 65 C + 150 C Single 45.7 mA Reel, Cut Tape, MouseReel 1SMA5923B

onsemi Zener Diodes 10V 1.5W
Datasheet
13 414In Stock
35 000On Order
MouseReel Available
Min.: 1
Mult.: 1
: 5 000

10 V SMD/SMT SMA-2 500 mW 5 % 2.5 uA 4.5 Ohms - 65 C + 150 C Single 37.5 mA Reel, Cut Tape, MouseReel 1SMA5925B

onsemi Zener Diodes ZEN SMA REG 1.5W 11V TR
Datasheet
13 818In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 5 000

11 V SMD/SMT SMA-2 500 mW 5 % 500 nA 5.5 Ohms - 65 C + 150 C Single 34.1 mA Reel, Cut Tape, MouseReel 1SMA5926B

onsemi Zener Diodes 12V 1.5W
Datasheet
7 728In Stock
115 000On Order
MouseReel Available
Min.: 1
Mult.: 1
Max.: 1 970
: 5 000

12 V SMD/SMT SMA-2 500 mW 5 % 500 nA 6.5 Ohms - 65 C + 150 C Single 31.2 mA Reel, Cut Tape, MouseReel 1SMA5927B

onsemi Zener Diodes SMA CASE-403D Plastic Surface Mount Zener Voltage Regulator
Datasheet
2 004In Stock
25 000On Order
MouseReel Available
Min.: 1
Mult.: 1
Max.: 1 270
: 5 000

18 V SMD/SMT SMA-2 1.5 W 5 % 500 nA 12 Ohms - 65 C + 150 C Single 20.8 mA Reel, Cut Tape, MouseReel 1SMA5931B

onsemi Zener Diodes 20V 1.5W
Datasheet
1 906In Stock
40 000On Order
MouseReel Available
Min.: 1
Mult.: 1
: 5 000

20 V SMD/SMT SMA-2 500 mW 5 % 500 nA 14 Ohms - 65 C + 150 C Single 18.7 mA Reel, Cut Tape, MouseReel 1SMA5932B

onsemi Zener Diodes 22V 1.5W
Datasheet
10 469In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 5 000

22 V SMD/SMT SMA-2 500 mW 5 % 500 nA 17.5 Ohms - 65 C + 150 C Single 17 mA Reel, Cut Tape, MouseReel 1SMA5933B

onsemi Zener Diodes 24V 1.5W
Datasheet
851In Stock
20 000On Order
MouseReel Available
Min.: 1
Mult.: 1
Max.: 830
: 5 000

24 V SMD/SMT SMA-2 500 mW 5 % 500 nA 19 Ohms - 65 C + 150 C Single 15.6 mA Reel, Cut Tape, MouseReel 1SMA5934B

onsemi Zener Diodes 27V 1.5W
Datasheet
14 140In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 5 000

27 V SMD/SMT SMA-2 500 mW 5 % 500 nA 23 Ohms - 65 C + 150 C Single 13.9 mA Reel, Cut Tape, MouseReel 1SMA5935B

onsemi Zener Diodes ZEN SMA TVS
Datasheet
8 387In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 5 000

39 V SMD/SMT SMA-2 500 mW 5 % 500 nA 45 Ohms - 65 C + 150 C Single 9.6 mA Reel, Cut Tape, MouseReel 1SMA5939B

onsemi Zener Diodes 43V 1.5W
Datasheet
15 659In Stock
20 000Expected 16/10/2026
MouseReel Available
Min.: 1
Mult.: 1
: 5 000

43 V SMD/SMT SMA-2 500 mW 5 % 500 nA 53 Ohms - 65 C + 150 C Single 8.7 mA Reel, Cut Tape, MouseReel 1SMA5940B

onsemi Zener Diodes 56V 1.5W
Datasheet
13 393In Stock
25 000Expected 15/06/2026
MouseReel Available
Min.: 1
Mult.: 1
Max.: 4 580
: 5 000

56 V SMD/SMT SMA-2 500 mW 5 % 500 nA 86 Ohms - 65 C + 150 C Single 6.7 mA Reel, Cut Tape, MouseReel 1SMA5943B