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 (SGD) 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
41,063In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 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 24V 1.5W
Datasheet
14,274In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 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 30V 1.5W
Datasheet
26,251In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 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

onsemi Zener Diodes 36V 1.5W
Datasheet
27,564In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 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 43V 1.5W
Datasheet
32,834In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 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
95,533In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 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 6.8V TR
Datasheet
9,628In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 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 8.2V TR
Datasheet
6,190In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 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 12V TR
Datasheet
9,812In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 5,000

12 V SMD/SMT SMA-2 500 mW 5 % 500 nA 6.5 Ohms - 65 C + 150 C Single 31.2 mA AEC-Q100 Reel, Cut Tape, MouseReel 1SMA5927B

onsemi Zener Diodes ZEN SMA REG 1.5W 16V TR
Datasheet
17,911In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 5,000

16 V SMD/SMT SMA-2 500 mW 5 % 500 nA 10 Ohms - 65 C + 150 C Single 23.4 mA AEC-Q100 Reel, Cut Tape, MouseReel 1SMA5930B

onsemi Zener Diodes ZEN SMA REG 1.5W 18V TR
Datasheet
11,711In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 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 24V TR
Datasheet
6,111In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 5,000

24 V SMD/SMT SMA-2 500 mW 5 % 500 nA 19 Ohms - 65 C + 150 C Single 15.6 mA AEC-Q100 Reel, Cut Tape, MouseReel 1SMA5934B

onsemi Zener Diodes 3.9V 1.5W
Datasheet
12,534In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 5,000

3.9 V SMD/SMT SMA-2 500 mW 5 % 12.5 uA 7.5 Ohms - 65 C + 150 C Single 96.1 mA Reel, Cut Tape, MouseReel 1SMA5915B

onsemi Zener Diodes 4.3V 1.5W
Datasheet
Lead-Time 22 Weeks
MouseReel Available
Min.: 1
Mult.: 1
Reel: 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
4,565In Stock
10,000Expected 28/4/2026
MouseReel Available
Min.: 1
Mult.: 1
Reel: 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
11,313In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 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
6,415In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 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 9.1V 1.5W
Datasheet
1,591In Stock
5,000Expected 3/7/2026
MouseReel Available
Min.: 1
Mult.: 1
Reel: 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 Reel, Cut Tape, MouseReel 1SMA5924B

onsemi Zener Diodes 1.5 W Zener Diode Voltage Regulator 11 V
Datasheet
9,474In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 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 15V 1.5W
Datasheet
13,135In Stock
35,000Expected 23/6/2026
MouseReel Available
Min.: 1
Mult.: 1
Reel: 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
228In Stock
5,000Expected 3/4/2026
MouseReel Available
Min.: 1
Mult.: 1
Reel: 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
7,419In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 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 33V 1.5W
Datasheet
244In Stock
55,000On Order
MouseReel Available
Min.: 1
Mult.: 1
Reel: 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 ZEN SMA TVS
Datasheet
7,760In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 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 47V 1.5W
Datasheet
5,029In Stock
10,000Expected 7/4/2026
MouseReel Available
Min.: 1
Mult.: 1
Reel: 5,000

47 V SMD/SMT SMA-2 500 mW 5 % 500 nA 67 Ohms - 65 C + 150 C Single 8 mA Reel, Cut Tape, MouseReel 1SMA5941B