Zener Diodes

Zener diodes are specialized semiconductor electronic components that enable voltage stabilization and surge protection. Due to their ability to operate in the Zener breakdown mode, they are widely used in power supplies, voltage regulation circuits, protection systems, and reference voltage applications.

How Do Zener Diodes Work?

Zener diodes differ from standard diodes as they conduct current in the reverse direction once the voltage exceeds a specified threshold – known as the Zener voltage. This allows for voltage stabilization in circuits and protects sensitive electronic components from voltage spikes.

Key Parameters of Zener Diodes:

✔ Zener voltage – the voltage at which the diode begins to conduct in reverse.
✔ Power rating – defines the amount of energy the diode can safely dissipate.
✔ Voltage tolerance – affects the precision of voltage stabilization in a circuit.

Applications of Zener Diodes

Zener diodes are widely used in electronics, with their main applications including:

  • Voltage stabilization – ensuring a constant voltage in power supplies and voltage regulators.
  • Protection circuits – safeguarding electronic components from overvoltage and surges.
  • Reference voltage sources – used in analog-to-digital converters (ADC), measurement circuits, and sensors.
  • Automotive electronics – maintaining stable voltage in ECU systems, ignition circuits, and sensors.
  • Telecommunication systems – protecting signal and transmission lines.

Types of Zener Diodes

  1. Low-voltage Zener diodes (up to 5V) – used in precision voltage regulation circuits.
  2. Medium-voltage Zener diodes (5-50V) – applied in power supplies and control systems.
  3. High-voltage Zener diodes (above 50V) – used in industrial and protective circuits.

Why Choose Zener Diodes?

✔ Effective voltage stabilization – ideal for power supplies and measurement circuits.
✔ Surge protection – prevents damage to sensitive electronic systems.
✔ High precision and wide voltage range – available in various specifications for multiple applications.
✔ Versatile applications – from consumer electronics to industrial power systems.

Items per page:
Zener Diodes; AZ23C5V6-7-F; DIODES; 3; 300 mW; 5.6 V; 100 nA
cad-link
Maritex code: AZ23C5V6-7-F-U1
Quantity
pcs.
Net price
PLN/pcs.
1+ 0.3905
10+ 0.3201
100+ 0.2239
500+ 0.1849
3000+ 0.1559
9000+ 0.1287
Quantity per package: 3000
Type of packaging: reel
Zener Diodes; BZT52C12-7-F; DIODES; 2; 12 V; 100 nA; 370 mW
cad-link
Maritex code: BZT52C12-7-F-U1
Quantity
pcs.
Net price
PLN/pcs.
1+ 1.3800
3+ 0.4402
100+ 0.3222
300+ 0.2749
3000+ 0.1879
6000+ 0.1636
9000+ 0.1510
For business clients only
3
delivery 4-10 days
Quantity per package: 3000
Type of packaging: reel
Zener Diodes; BZT52C12T-7; DIODES; 2; 12 V; 100 nA; 300 mW
cad-link
Maritex code: BZT52C12T-7-U1
Quantity
pcs.
Net price
PLN/pcs.
1+ 0.2113
10+ 0.1700
100+ 0.1252
500+ 0.1032
1000+ 0.0971
Quantity per package: 3000
Type of packaging: reel
Zener Diodes; BZT52C15-7-F; DIODES; 2; 370 mW; 15 V; 6.12 %
cad-link
Maritex code: BZT52C15-7-F-U1
Quantity
pcs.
Net price
PLN/pcs.
1+ 0.1937
10+ 0.1505
100+ 0.1117
500+ 0.0919
1000+ 0.0849
3000+ 0.0782
9000+ 0.0659
Quantity per package: 3000
Type of packaging: reel
Zener Diodes; BZT52C15Q-7-F; DIODES; 370 mW; 6.12 %
cad-link
Maritex code: BZT52C15Q-7-F-U1
Quantity
pcs.
Net price
PLN/pcs.
1+ 0.2062
10+ 0.1671
30+ 0.1236
100+ 0.1104
300+ 0.1046
3000+ 0.0941
Quantity per package: 3000
Type of packaging: reel
Zener Diodes; BZT52C16-7-F; DIODES; 2; 16 V; 100 nA; 370 mW
cad-link
Maritex code: BZT52C16-7-F-U1
Quantity
pcs.
Net price
PLN/pcs.
1+ 2.5600
5+ 0.8181
50+ 0.6231
150+ 0.5354
500+ 0.4660
3000+ 0.3709
For business clients only
24 013
delivery 4-10 days
Quantity per package: 3000
Type of packaging: reel
Zener Diodes; BZT52C16S-7-F; DIODES; 2; 16 V; 100 nA; 200 mW
cad-link
Maritex code: BZT52C16S-7-F-U1
Quantity
pcs.
Net price
PLN/pcs.
1+ 0.1943
10+ 0.1578
100+ 0.1279
500+ 0.1017
1000+ 0.0916
Quantity per package: 3000
Type of packaging: reel
Zener Diodes; BZT52C18-7-F; DIODES; 2; 370 mW; 18 V; 100 nA
cad-link
Maritex code: BZT52C18-7-F-U1
Quantity
pcs.
Net price
PLN/pcs.
1+ 0.2295
10+ 0.1755
100+ 0.1296
500+ 0.1086
3000+ 0.0818
9000+ 0.0748
Quantity per package: 3000
Type of packaging: reel
Zener Diodes; BZT52C18T-7; DIODES; 2; 300 mW; 6.41 %; 18 V
cad-link
Maritex code: BZT52C18T-7-U1
Quantity
pcs.
Net price
PLN/pcs.
1+ 0.3087
10+ 0.2503
30+ 0.1842
100+ 0.1656
300+ 0.1558
3000+ 0.1406
Quantity per package: 3000
Type of packaging: reel
Zener Diodes; BZT52C22-7-F; DIODES; 2; 22 V; 100 nA; 370 mW
cad-link
Maritex code: BZT52C22-7-F-U1
Quantity
pcs.
Net price
PLN/pcs.
1+ 0.1295
3000+ 0.0901
For business clients only
4
delivery 4-10 days
Quantity per package: 3000
Type of packaging: reel
Zener Diodes; BZT52C24-7-F; DIODES; 2; 370 mW; 24 V; 100 nA
cad-link
Maritex code: BZT52C24-7-F-U1
Quantity
pcs.
Net price
PLN/pcs.
1+ 0.0843
10+ 0.0748
100+ 0.0664
500+ 0.0595
1000+ 0.0555
For business clients only
58
delivery 4-10 days
Quantity per package: 3000
Type of packaging: reel
Zener Diodes; BZT52C33-7-F; DIODES; 2; 33 V; 100 nA; 370 mW
cad-link
Maritex code: BZT52C33-7-F-U1
Quantity
pcs.
Net price
PLN/pcs.
3000+ 0.1729
9000+ 0.1223
For business clients only
3 000
delivery 4-10 days
Quantity per package: 3000
Type of packaging: reel
Zener Diodes; BZT52C36-7-F; DIODES; 2; 370 mW; 36 V; 100 nA
cad-link
Maritex code: BZT52C36-7-F-U1
Quantity
pcs.
Net price
PLN/pcs.
1+ 0.1459
10+ 0.1181
30+ 0.0869
100+ 0.0784
300+ 0.0736
3000+ 0.0664
Quantity per package: 3000
Type of packaging: reel
Zener Diode; 39V; 5%; 500mW; -65+150 deg.C; SMD; SOD123
Zener Diode; 39V; 5%; 500mW; -65+150 deg.C; SMD; SOD123
cad-link
Maritex code: BZT52C39
Quantity
pcs.
Net price
PLN/pcs.
1+ 0.3382
10+ 0.2056
100+ 0.1233
1000+ 0.0797
3000+ 0.0676
6000+ 0.0615
9000+ 0.0587
0
items in stock
Quantity per package: 3000
Type of packaging: reel
Zener Diodes; BZT52C3V0T-7; DIODES; 2; 3 V; 10 µA; 300 mW
cad-link
Maritex code: BZT52C3V0T-7-U1
Quantity
pcs.
Net price
PLN/pcs.
1+ 0.1427
10+ 0.1233
100+ 0.1101
500+ 0.0997
1000+ 0.0931
Quantity per package: 3000
Type of packaging: reel
Zener Diodes; BZT52C3V9-7-F; DIODES; 2; 370 mW; 5.13 %; 3.9 V
cad-link
Maritex code: BZT52C3V9-7-F-U1
Quantity
pcs.
Net price
PLN/pcs.
1+ 0.4584
100+ 0.3496
300+ 0.3080
3000+ 0.2695
6000+ 0.2486
9000+ 0.2382
For business clients only
1
delivery 4-10 days
Quantity per package: 3000
Type of packaging: reel
Zener Diodes; BZT52C4V7-7-F; DIODES; 2; 370 mW; 4.7 V; 3 µA
cad-link
Maritex code: BZT52C4V7-7-F-U1
Quantity
pcs.
Net price
PLN/pcs.
1+ 0.1264
500+ 0.1066
1500+ 0.1006
5000+ 0.0961
25000+ 0.0901
For business clients only
1
delivery 4-10 days
Quantity per package: 3000
Type of packaging: reel
Zener Diodes; BZT52C4V7SQ-7-F; DIODES; 200 mW; 6.38 %
cad-link
Maritex code: BZT52C4V7SQ-7-F-U1
Quantity
pcs.
Net price
PLN/pcs.
1+ 0.3402
10+ 0.2757
30+ 0.2031
100+ 0.1821
300+ 0.1718
3000+ 0.1550
Quantity per package: 3000
Type of packaging: reel
Zener Diodes; BZT52C5V1TQ-7-F; DIODES; 5.1 V; 300 mW
cad-link
Maritex code: BZT52C5V1TQ-7-F-U1
Quantity
pcs.
Net price
PLN/pcs.
1+ 0.6162
10+ 0.4647
30+ 0.3459
100+ 0.3153
3000+ 0.2701
6000+ 0.2545
Quantity per package: 3000
Type of packaging: reel
Zener Diodes; BZT52C5V6-7-F; DIODES; 2; 370 mW; 5.6 V; 1 µA
cad-link
Maritex code: BZT52C5V6-7-F-U1
Quantity
pcs.
Net price
PLN/pcs.
20+ 0.3213
100+ 0.2375
300+ 0.2001
3000+ 0.1638
6000+ 0.1434
9000+ 0.1337
For business clients only
7 451
delivery 4-10 days
Quantity per package: 3000
Type of packaging: reel
Zener Diodes; BZT52C5V6S-7-F; DIODES; 2; 200 mW; 5.6 V; 7.14 %
cad-link
Maritex code: BZT52C5V6S-7-F
Quantity
pcs.
Net price
PLN/pcs.
1+ 3.79
10+ 2.88
30+ 2.46
100+ 2.07
500+ 1.79
1000+ 1.66
For business clients only
844
delivery 4-10 days
Quantity per package: 3000
Type of packaging: reel
Zener Diodes; BZT52C6V8-7-F; DIODES; 2; 6.8 V; 2 µA; 370 mW
cad-link
Maritex code: BZT52C6V8-7-F-U1
Quantity
pcs.
Net price
PLN/pcs.
1+ 0.3106
200+ 0.2048
600+ 0.1644
3000+ 0.1372
Quantity per package: 3000
Type of packaging: reel
Zener Diodes; BZT52C8V2S-7-F; DIODES; 2; 200 mW; 6.1 %; 8.2 V
cad-link
Maritex code: BZT52C8V2S-7-F-U1
Quantity
pcs.
Net price
PLN/pcs.
10+ 0.1710
100+ 0.1356
300+ 0.1134
1000+ 0.0911
5000+ 0.0807
For business clients only
101
delivery 4-10 days
Quantity per package: 3000
Type of packaging: reel
Zener Diodes; BZT52HC5V1WF-7; DIODES; 2; 375 mW; 5.1 V
cad-link
Maritex code: BZT52HC5V1WF-7-U1
Quantity
pcs.
Net price
PLN/pcs.
10+ 0.3188
100+ 0.2397
300+ 0.2037
3000+ 0.1664
Quantity per package: 3000
Type of packaging: reel
Zener Diodes; BZT585B3V3T-7; DIODES; 2; 350 mW; 3.3 V; 5 µA
cad-link
Maritex code: BZT585B3V3T-7-U1
Quantity
pcs.
Net price
PLN/pcs.
1+ 0.2345
10+ 0.1982
100+ 0.1579
500+ 0.1344
3000+ 0.1199
6000+ 0.1089
Quantity per package: 3000
Type of packaging: reel
Zener Diode; 5.6V; 2%; 0.35W; -65+150stC; SOD523
cad-link
Maritex code: BZT585B5V6T-7
Quantity
pcs.
Net price
PLN/pcs.
1+ 0.4270
5+ 0.3050
10+ 0.2677
100+ 0.1838
500+ 0.1460
1000+ 0.1333
3000+ 0.1090
6000+ 0.1050
0
items in stock
Quantity per package: 3000
Type of packaging: reel
Zener Diode; 10V; 5%; 350mW; -65+150 deg.C; SMD; SOT23
Zener Diode; 10V; 5%; 350mW; -65+150 deg.C; SMD; SOT23
cad-link
Maritex code: BZX84C10-D
Quantity
pcs.
Net price
PLN/pcs.
1+ 0.3236
10+ 0.1941
100+ 0.0882
1000+ 0.0813
1300+ 0.0795
2500+ 0.0700
3000+ 0.0674
6000+ 0.0610
9000+ 0.0560
15000+ 0.0541
3
items in stock
Quantity
Total 0,3236 PLN net
Zener Diodes; BZX84C15-7-F; DIODES; 3; 15 V; 100 nA; Single
cad-link
Maritex code: BZX84C15-7-F-U1
Quantity
pcs.
Net price
PLN/pcs.
3000+ 0.1264
9000+ 0.0990
For business clients only
3 000
delivery 4-10 days
Quantity per package: 3000
Type of packaging: reel
Zener Diodes; BZX84C15W-7-F; DIODES; 3; 15 V; 100 nA; Single
cad-link
Maritex code: BZX84C15W-7-F-U1
Quantity
pcs.
Net price
PLN/pcs.
1+ 4.31
10+ 3.40
30+ 2.98
100+ 2.57
500+ 2.00
1000+ 1.83
For business clients only
2 698
delivery 4-10 days
Quantity per package: 3000
Type of packaging: reel
Zener Diodes; BZX84C3V3Q-7-F; DIODES
cad-link
Maritex code: BZX84C3V3Q-7-F-U1
Quantity
pcs.
Net price
PLN/pcs.
1+ 0.0805
Quantity per package: 3000
Type of packaging: reel
Zener Diodes; BZX84C5V1-7-F; DIODES; 3; 5.1 V; 2 µA; Single
cad-link
Maritex code: BZX84C5V1-7-F-U1
Quantity
pcs.
Net price
PLN/pcs.
20+ 0.7395
50+ 0.5468
150+ 0.4608
500+ 0.3946
3000+ 0.3034
6000+ 0.2778
For business clients only
9
delivery 4-10 days
Quantity per package: 3000
Type of packaging: reel
Zener Diodes; BZX84C5V6-7-F; DIODES; 3; 5.6 V; 1 µA; 350 mW
cad-link
Maritex code: BZX84C5V6-7-F-U1
Quantity
pcs.
Net price
PLN/pcs.
1+ 0.1723
10+ 0.1193
100+ 0.0828
500+ 0.0767
1000+ 0.0719
3000+ 0.0673
Quantity per package: 3000
Type of packaging: reel
Zener Diodes; BZX84C8V2-7-F; DIODES; 3; 8.2 V; 700 nA; 350 mW
cad-link
Maritex code: BZX84C8V2-7-F-U1
Quantity
pcs.
Net price
PLN/pcs.
1+ 0.1132
10+ 0.0927
100+ 0.0743
For business clients only
1
delivery 4-10 days
Quantity per package: 3000
Type of packaging: reel
Zener Diodes; D3Z2V4BF-7; DIODES; 2; 2.53 V; 50 µA; 400 mW
cad-link
Maritex code: D3Z2V4BF-7-U1
Quantity
pcs.
Net price
PLN/pcs.
10+ 0.1559
100+ 0.1228
300+ 0.1034
1000+ 0.0826
5000+ 0.0738
Quantity per package: 3000
Type of packaging: reel
Zener Diodes; DDZ15-7; DIODES; 2; 500 mW; 2.54 %; 15 V
cad-link
Maritex code: DDZ15-7-U1
Quantity
pcs.
Net price
PLN/pcs.
1+ 1.8100
5+ 0.5798
50+ 0.4153
150+ 0.3435
500+ 0.2689
For business clients only
10 974
delivery 4-10 days
Quantity per package: 3000
Type of packaging: reel
Zener Diodes; DDZ3V0BSF-7; DIODES; 2; 3.12 V; 50 µA; 500 mW
cad-link
Maritex code: DDZ3V0BSF-7-U1
Quantity
pcs.
Net price
PLN/pcs.
10+ 0.3917
100+ 0.3093
300+ 0.2595
1000+ 0.2082
5000+ 0.1852
For business clients only
10
delivery 4-10 days
Quantity per package: 3000
Type of packaging: reel
Zener Diodes; DDZ3V3ASF-7; DIODES; 2; 3.27 V; 20 µA; 500 mW
cad-link
Maritex code: DDZ3V3ASF-7-U1
Quantity
pcs.
Net price
PLN/pcs.
1+ 0.2735
10+ 0.2220
30+ 0.1636
100+ 0.1468
300+ 0.1382
3000+ 0.1248
Quantity per package: 3000
Type of packaging: reel
Zener Diodes; DDZ6V2B-7; DIODES; 2; 6.2 V; 500 nA; 500 mW
cad-link
Maritex code: DDZ6V2B-7-U1
Quantity
pcs.
Net price
PLN/pcs.
3000+ 0.1333
9000+ 0.1010
Quantity per package: 3000
Type of packaging: reel
Zener Diode; 3.3V; 500mW; -65+150 deg.C; SMD; SOD123
Zener Diode; 3.3V; 500mW; -65+150 deg.C; SMD; SOD123
cad-link
Maritex code: DDZ9684-7
Quantity
pcs.
Net price
PLN/pcs.
1+ 0.4453
10+ 0.2906
25+ 0.2209
100+ 0.1486
500+ 0.1071
1000+ 0.0975
3000+ 0.0883
9000+ 0.0834
0
items in stock
Zener Diodes; DDZ9684-7; DIODES; 2; 3.3 V; 7.5 µA; 500 mW
cad-link
Maritex code: DDZ9684-7-U1
Quantity
pcs.
Net price
PLN/pcs.
1+ 0.3276
10+ 0.2719
100+ 0.2105
500+ 0.1801
1000+ 0.1561
3000+ 0.1396
9000+ 0.1292
Quantity per package: 3000
Type of packaging: reel
Zener Diodes; DDZ9689-7; DIODES; 2; 5.1 V; 5 µA; 500 mW
cad-link
Maritex code: DDZ9689-7-U1
Quantity
pcs.
Net price
PLN/pcs.
1+ 0.2144
10+ 0.1753
100+ 0.1306
500+ 0.1083
1000+ 0.0956
Quantity per package: 3000
Type of packaging: reel
Zener Diodes; DFLZ10-7; DIODES; 2; 10 V; 5 µA; 1 W
cad-link
Maritex code: DFLZ10-7-U1
Quantity
pcs.
Net price
PLN/pcs.
3000+ 0.4603
9000+ 0.3481
Quantity per package: 3000
Type of packaging: reel
Zener Diodes; DFLZ12-7; DIODES; 2; 12 V; 3 µA; 1 W
cad-link
Maritex code: DFLZ12-7-U1
Quantity
pcs.
Net price
PLN/pcs.
1+ 0.6822
10+ 0.5515
100+ 0.4453
500+ 0.3875
1000+ 0.3511
Quantity per package: 3000
Type of packaging: reel
Zener Diode; 18V; 300mW; double; common cathode; -55+150 deg.C; SMD; SOT23
cad-link
Maritex code: DZ23C18-7-F
Quantity
pcs.
Net price
PLN/pcs.
1+ 0.75
25+ 0.71
100+ 0.69
500+ 0.64
1000+ 0.56
3000+ 0.49
1 755
items in stock
Quantity per package: 3000
Type of packaging: reel
Quantity
Total 0,75 PLN net
Zener Diodes; MMBZ5248BW-7-F; DIODES; 3; 200 mW; 5 %; 18 V
cad-link
Maritex code: MMBZ5248BW-7-F-U1
Quantity
pcs.
Net price
PLN/pcs.
1+ 0.3175
10+ 0.2397
30+ 0.1787
100+ 0.1624
3000+ 0.1396
6000+ 0.1312
For business clients only
3 000
delivery 4-10 days
Quantity per package: 3000
Type of packaging: reel
Zener Diodes; MMBZ5254BW-7-F; DIODES; 3; 200 mW; 5 %; 27 V
cad-link
Maritex code: MMBZ5254BW-7-F-U1
Quantity
pcs.
Net price
PLN/pcs.
50+ 0.1673
500+ 0.1377
1500+ 0.1251
5000+ 0.1005
For business clients only
6 000
delivery 4-10 days
Quantity per package: 3000
Type of packaging: reel
Zener Diodes; MMSZ5226B-7-F; DIODES; 2; 370 mW; 3.3 V; 25 µA
cad-link
Maritex code: MMSZ5226B-7-F-U1
Quantity
pcs.
Net price
PLN/pcs.
10+ 0.1264
100+ 0.0755
1000+ 0.0690
3000+ 0.0638
12000+ 0.0599
Quantity per package: 3000
Type of packaging: reel
Zener Diodes; MMSZ5230B-7-F; DIODES; 2; 370 mW; 5 %; 4.7 V
cad-link
Maritex code: MMSZ5230B-7-F-U1
Quantity
pcs.
Net price
PLN/pcs.
1+ 0.4722
10+ 0.3555
30+ 0.2652
100+ 0.2411
3000+ 0.2069
6000+ 0.1946
For business clients only
17 717
delivery 4-10 days
Quantity per package: 3000
Type of packaging: reel
Zener Diodes; MMSZ5231B-7-F; DIODES; 2; 370 mW; 5.1 V; 5 µA
cad-link
Maritex code: MMSZ5231B-7-F-U1
Quantity
pcs.
Net price
PLN/pcs.
1+ 0.4854
9+ 0.1553
100+ 0.1147
300+ 0.0841
1000+ 0.0761
3000+ 0.0688
6000+ 0.0639
Quantity per package: 3000
Type of packaging: reel
Zener Diodes; MMSZ5231BS-7-F; DIODES; 2; 200 mW; 5.1 V; 5 µA
cad-link
Maritex code: MMSZ5231BS-7-F-U1
Quantity
pcs.
Net price
PLN/pcs.
1+ 0.8823
10+ 0.2823
100+ 0.1949
300+ 0.1575
Quantity per package: 3000
Type of packaging: reel
contact