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 (GBP) 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 12V 1.5W
Datasheet
89,360In Stock
55,000Expected 09/04/2027
MouseReel Available
Min.: 1
Mult.: 1
Max.: 5,000
: 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 15V 1.5W
Datasheet
48,989In Stock
MouseReel Available
Min.: 1
Mult.: 1
Max.: 2,500
: 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 20V 1.5W
Datasheet
43,244In Stock
MouseReel Available
Min.: 1
Mult.: 1
Max.: 5,000
: 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 24V 1.5W
Datasheet
18,369In Stock
20,000Expected 13/10/2027
MouseReel Available
Min.: 1
Mult.: 1
Max.: 2,500
: 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 33V 1.5W
Datasheet
26,780In Stock
20,000Expected 23/10/2026
MouseReel Available
Min.: 1
Mult.: 1
Max.: 5,000
: 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
46,745In Stock
MouseReel Available
Min.: 1
Mult.: 1
Max.: 5,000
: 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 ZEN SMA TVS
Datasheet
19,322In Stock
4,600Expected 06/10/2026
MouseReel Available
Min.: 1
Mult.: 1
Max.: 2,500
: 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
30,543In Stock
25,000Expected 12/03/2027
MouseReel Available
Min.: 1
Mult.: 1
Max.: 5,000
: 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 51V 1.5W
Datasheet
49,954In Stock
MouseReel Available
Min.: 1
Mult.: 1
Max.: 2,500
: 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 56V 1.5W
Datasheet
62,147In Stock
MouseReel Available
Min.: 1
Mult.: 1
Max.: 5,000
: 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

onsemi Zener Diodes ZEN SMA REG 5.1V 1.5
Datasheet
17,626In Stock
MouseReel Available
Min.: 1
Mult.: 1
Max.: 2,500
: 5,000
5.1 V SMD/SMT SMA-2 500 mW 5 % 2.5 uA 4 Ohms - 65 C + 150 C Single 73.5 mA AEC-Q100 Reel, Cut Tape, MouseReel 1SMA5918B

onsemi Zener Diodes ZEN SMA REG 1.5W 5.6V TR
Datasheet
6,686In Stock
MouseReel Available
Min.: 1
Mult.: 1
Max.: 2,500
: 5,000

5.6 V SMD/SMT SMA-2 500 mW 5 % 2.5 uA 2 Ohms - 65 C + 150 C Single 66.9 mA AEC-Q100 Reel, Cut Tape, MouseReel 1SMA5919B

onsemi Zener Diodes ZEN SMA REG 1.5W 6.8V TR
Datasheet
7,405In Stock
MouseReel Available
Min.: 1
Mult.: 1
Max.: 2,500
: 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
8,563In 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 8.2V TR
Datasheet
10,184In Stock
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 AEC-Q100 Reel, Cut Tape, MouseReel 1SMA5923B

onsemi Zener Diodes ZEN SMA REG 1.5W 15V TR
Datasheet
7,932In Stock
MouseReel Available
Min.: 1
Mult.: 1
Max.: 2,500
: 5,000

15 V SMD/SMT SMA-2 500 mW 5 % 500 nA 9 Ohms - 65 C + 150 C Single 25 mA AEC-Q100 Reel, Cut Tape, MouseReel 1SMA5929B

onsemi Zener Diodes ZEN SMA REG 1.5W 18V TR
Datasheet
6,922In Stock
MouseReel Available
Min.: 1
Mult.: 1
Max.: 2,500
: 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
7,196In Stock
MouseReel Available
Min.: 1
Mult.: 1
Max.: 2,500
: 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 6.8V 1.5W
Datasheet
15,205In Stock
14,750Expected 28/09/2026
MouseReel Available
Min.: 1
Mult.: 1
Max.: 2,500
: 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
8,816In Stock
MouseReel Available
Min.: 1
Mult.: 1
Max.: 2,500
: 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 ZEN SMA REG 1.5W 11V TR
Datasheet
13,082In Stock
MouseReel Available
Min.: 1
Mult.: 1
Max.: 2,500
: 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 SMA CASE-403D Plastic Surface Mount Zener Voltage Regulator
Datasheet
11,031In Stock
15,000Expected 01/01/2027
MouseReel Available
Min.: 1
Mult.: 1
Max.: 2,500
: 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 22V 1.5W
Datasheet
9,351In Stock
MouseReel Available
Min.: 1
Mult.: 1
Max.: 2,500
: 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 27V 1.5W
Datasheet
10,464In Stock
10,000Expected 15/09/2026
MouseReel Available
Min.: 1
Mult.: 1
Max.: 2,500
: 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 30V 1.5W
Datasheet
13,733In Stock
MouseReel Available
Min.: 1
Mult.: 1
Max.: 2,500
: 5,000

30 V SMD/SMT SMA-2 500 mW 5 % 500 nA 26 Ohms - 65 C + 150 C Single 12.5 mA Reel, Cut Tape, MouseReel 1SMA5936B