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Zener Diodes
ROHM Zener diodes range from lead types to easy-to-use two-terminal mold types.

    Zener Diodes ESD Protection Devices

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Zener Diodes

Package
(mm)
GMD2 VMN2 VMD2 EMD2
<SOD-523>(SC-79)
Part No. GDZ serise CDZ serise VDZ serise EDZ serise
Power(mW) 100 100 100 150
Electrical Characteristics
(Ta=25ºC)		 VZ
(V)		 IZ
(mA)		 VZ
(V)		 IZ
(mA)		 VZ
(V)		 IZ
(mA)		 VZ
(V)		 IZ
(mA)
Voltage - - - 3.6B 3.600 to 3.845 5 3.6B 3.600 to 3.845 5 3.6B 3.600 to 3.845 5
3.9 3.74 to 4.16 5 3.9B 3.89 to 4.16 5 3.9B 3.89 to 4.16 5 3.9B 3.89 to 4.16 5
- - - 4.3B 4.17 to 4.43 5 4.3B 4.17 to 4.43 5 4.3B 4.17 to 4.43 5
4.7 4.42 to 4.9 5 4.7B 4.55 to 4.75 5 4.7B 4.55 to 4.75 5 4.7B 4.55 to 4.75 5
5.1 4.84 to 5.37 5 5.1B 4.98 to 5.20 5 5.1B 4.98 to 5.20 5 5.1B 4.98 to 5.20 5
5.6 5.31 to 5.92 5 5.6B 5.49 to 5.73 5 5.6B 5.49 to 5.73 5 5.6B 5.49 to 5.73 5
6.2 5.86 to 6.53 5 6.2B 6.06 to 6.33 5 6.2B 6.06 to 6.33 5 6.2B 6.06 to 6.33 5
6.8 6.47 to 7.14 5 6.8B 6.65 to 6.93 5 6.8B 6.65 to 6.93 5 6.8B 6.65 to 6.93 5
7.5 7.06 to 7.84 5 7.5B 7.28 to 7.60 5 7.5B 7.28 to 7.60 5 7.5B 7.28 to 7.60 5
8.2 7.76 to 8.64 5 8.2B 8.02 to 8.36 5 8.2B 8.02 to 8.36 5 8.2B 8.02 to 8.36 5
9.1B 8.85 to 9.23 5 9.1B 8.85 to 9.23 5 9.1B 8.85 to 9.23 5
10B 9.77 to 10.21 5 10B 9.77 to 10.21 5 10B 9.77 to 10.21 5
11B 10.76 to 11.22 5 11B 10.76 to 11.22 5 11B 10.76 to 11.22 5
12B 11.74 to 12.24 5 12B 11.74 to 12.24 5 12B 11.74 to 12.24 5
13B 12.91 to 13.49 5 13B 12.91 to 13.49 5 13B 12.91 to 13.49 5
15B 14.34 to 14.98 5 15B 14.34 to 14.98 5 15B 14.34 to 14.98 5
16B 15.85 to 16.51 5 16B 15.85 to 16.51 5 16B 15.85 to 16.51 5
18B 17.56 to 18.35 2 18B 17.56 to 18.35 5
20B 19.52 to 20.39 2 20B 19.52 to 20.39 5
22B 21.54 to 22.47 2 22B 21.54 to 22.47 5
24B 23.72 to 24.78 2 24B 23.72 to 24.78 5
27B 26.19 to 27.53 2 27B 26.19 to 27.53 2
30B 29.19 to 30.69 2 30B 29.19 to 30.69 2
33B 32.15 to 33.79 2 33B 32.15 to 33.79 2
36B 35.07 to 36.87 2 36B 35.07 to 36.87 2


Package
(mm)
UMD2
<SOD-323>(SC-961)		 TUMD2 UMD4
<SOD-343>		 PMDU
<SOD-123>
Part No. UDZS serise TDZ UMZ K serise KDZ serise
Power(mW) 200 500 200 1000
Electrical Characteristics
(Ta=25ºC)		 VZ
(V)		 IZ
(mA)		 VZ
(V)		 IZ
(mA)		 VZ
(V)		 IZ
(mA)		 VZ
(V)		 IZ
(mA)
Voltage 3.6B 3.600 to 3.845 5 - 3.6K 3.600 to 3.845 5 3.6B 3.60 to 4.00 40
3.9B 3.89 to 4.16 5 - 3.9K 3.89 to 4.16
 5 3.9B 3.90 to 4.40 40
4.3B 4.17 to 4.43 5 - 4.3K 4.17 to 4.43
 5 4.3B 4.30 to 4.80 40
4.7B 4.55 to 4.75 5 - 4.7K 4.55 to 4.75
 5 4.7B 4.70 to 5.20 40
5.1B 4.98 to 5.20 5 5.1 4.600 to 5.600 10 5.1K 4.98 to 5.20
 5 5.1B 5.10 to 5.70 40
5.6B 5.49 to 5.73 5 5.6 5.100 to 6.100 10 5.6K 5.49 to 5.73
 5 5.6B 5.60 to 6.30 40
6.2B 6.06 to 6.33 5 6.2 5.600 to 6.800 10 6.2K 6.06 to 6.33
 5 6.2B 6.20 to 7.00 40
6.8B 6.65 to 6.93 5 6.8 6.200 to 7.400 10 6.8K 6.65 to 6.93
 5 6.8B 6.80 to 7.70 40
7.5B 7.28 to 7.60 5 7.5 6.800 to 8.300 10 7.5K 7.28 to 7.60
 5 7.5B 7.50 to 8.40 40
8.2B 8.02 to 8.36 5 8.2 7.400 to 9.000 10 8.2K 8.02 to 8.36
 5 8.2B 8.20 to 9.30 40
9.1B 8.85 to 9.23 5 9.1 8.200 to 10.00 10 9.1K 8.85 to 9.23
 5 9.1B 9.10 to 10.20 40
10B 9.77 to 10.21 5 10 9.000 to 11.00 10 10K 9.77 to 10.21
 5 10B 10.00 to 11.20 40
11B 10.76 to 11.22 5 11 9.900 to 12.10 10 11K 10.76 to 11.22
 5 11B 11.00 to 12.30 20
12B 11.74 to 12.24 5 12 10.80 to 13.20 10 12K 11.74 to 12.24
 5 12B 12.00 to 13.50 20
13B 12.91 to 13.49 5 13 11.70 to 14.30 10 13K 12.91 to 13.49
 5 13B 13.30 to 15.00 20
15B 14.34 to 14.98 5 15 13.50 to 16.50 10 15K 14.34 to 14.98
 5 15B 14.70 to 16.50 20
16B 15.85 to 16.51 5 16 14.40 to 17.60 10 16K 15.85 to 16.51
 5 16B 16.20 to 18.30 20
18B 17.56 to 18.35 5 18 16.20 to 19.80 10 18K 17.56 to 18.35
 5 18B 18.00 to 20.30 20
20B 19.52 to 20.39 5 20 18.00 to 22.00 10 20K 19.52 to 20.39
 5 20B 20.00 to 22.40 20
22B 21.54 to 22.47 5 22 19.80 to 24.20 10 22K 21.54 to 22.47
 5 22B 22.00 to 24.50 10
24B 23.72 to 24.78 5 24 21.60 to 26.40 10 24K 23.72 to 24.78
 5 24B 24.00 to 27.60 10
27B 26.19 to 27.53 5 27 24.30 to 29.70 10 27K 26.19 to 27.53
 5 27B 27.00 to 30.80 10
30B 29.19 to 30.69 5 30 27.00 to 33.00 10 30K 29.19 to 30.69
 5 30B 30.00 to 34.00 10
33B 32.15 to 33.79 5 - 33K 32.15 to 33.79
 5 33B 33.00 to 37.00 10
36B 35.07 to 36.87 5 - 36K 35.07 to 36.87
 5 36B 36.00 to 40.00 10


Package
(mm)
PMDS
<SOD-106>		 LLDS
(LL-34)		 MSD
<DO-34>
Part No. PTZ serise RLZ serise MTZJ serise
Power(mW) 1000 500 500
Electrical Characteristics
(Ta=25ºC)		 VZ
(V)		 IZ
(mA)		 VZ
(V)		 IZ
(mA)		 VZ
(V)		 IZ
(mA)
Voltage 3.6B 3.60 to 4.00 40 3.6B 3.600 to 3.845 20 3.6B 3.600 to 3.845 5
3.9B 3.90 to 4.40 40 3.9B 3.89 to 4.16 20 3.9B 3.89 to 4.16 5
4.3B 4.30 to 4.80 40 4.3B 4.17 to 4.43 20 4.3B 4.17 to 4.43 5
4.7B 4.70 to 5.20 40 4.7B 4.55 to 4.80 20 4.7B 4.55 to 4.80 5
5.1B 5.10 to 5.70 40 5.1B 4.94 to 5.20 20 5.1B 4.94 to 5.20 5
5.6B 5.60 to 6.30 40 5.6B 5.45 to 5.73 20 5.6B 5.45 to 5.73 5
6.2B 6.20 to 7.00 40 6.2B 5.96 to 6.27 20 6.2B 5.96 to 6.27 5
6.8B 6.80 to 7.70 40 6.8B 6.49 to 6.83 20 6.8B 6.49 to 6.83 5
7.5B 7.50 to 8.40 40 7.5B 7.07 to 7.45 20 7.5B 7.07 to 7.45 5
8.2B 8.20 to 9.30 40 8.2B 7.78 to 8.19 20 8.2B 7.78 to 8.19 5
9.1B 9.10 to 10.20 40 9.1B 8.57 to 9.01 20 9.1B 8.57 to 9.01 5
10B 10.00 to 11.20 40 10B 9.41 to 9.90 20 10B 9.41 to 9.90 5
11B 11.00 to 12.30 20 11B 10.50 to 11.05 10 11B 10.50 to 11.05 5
12B 12.00 to 13.50 20 12B 11.44 to 12.03 10 12B 11.44 to 12.03 5
13B 13.30 to 15.00 20 13B 12.55 to 13.21 10 13B 12.55 to 13.21 5
15B 14.70 to 16.50 20 15B 13.89 to 14.62 10 15B 13.89 to 14.62 5
16B 16.20 to 18.30 20 16B 15.25 to 16.04 10 16B 15.25 to 16.04 5
18B 18.00 to 20.30 20 18B 16.82 to 17.70 10 18B 16.82 to 17.70 5
20B 20.00 to 22.40 20 20B 18.63 to 19.59 10 20B 18.63 to 19.59 5
22B 22.00 to 24.50 10 22B 20.64 to 21.71 5 22B 20.64 to 21.71 5
24B 24.00 to 27.60 10 24B 22.61 to 23.77 5 24B 22.61 to 23.77 5
27B 27.00 to 30.80 10 27B 24.97 to 26.26 5 27B 24.97 to 26.26 5
30B 30.00 to 34.00 10 30B 27.70 to 29.13 5 30B 27.70 to 29.13 5
33B 33.00 to 37.00 10 33B 30.32 to 31.88 5 33B 30.32 to 31.88 5
36B 36.00 to 40.00 10 36B 32.79 to 34.49 5 36B 32.79 to 34.49 5
- 39B 35.36 to 37.19 5 39B 35.36 to 37.19 5


ESD Protection Divices

Application VZ
(V)		 Package
VMD3 EMD3
<SOT-416>
(SC-75A)		 EMD5
(SC-75A size)		 TEMD5
Zener Arrays 6.8 VMZ6.8N EMZ6.8N EMZ6.8E EMZ6.8JA


Application VZ Package
UMD3
<SOT-323>
(SC-70)		 UMD5
<SOT-353>
(SC-88A)		 SMD3
<SOT-346>
(SC-59)		 SMD5
(SC-74A)
Zener Arrays 4.3       FTZ4.3E
5.1 UMZ5.1N      
5.6     STZ5.6N FTZ5.6E
6.2     STZ6.2N  
6.8 UMZ6.8N UMZ6.8EN STZ6.8T
STZ6.8N		 FTZ6.8E
8.2 UMZ8.2T
UMZ8.2N		      
12 UMZ12N      
16 UMZ16N      
18 NEW
UMZ18N		      
27 UMZ27N      
30 NEW
UMZ30N		     FTZ30E


Application VZ
(V)		 Package
VMN2
 VMD3 EMD2
<SOD-523> 		EMD3
<SOT-416>
Low Capacitance Zener Diodes 6.2        
6.8 CDZC6.8B   EDZC6.8B EMZC6.8N
12   RSB12Z   RSB12W

Application VZ
(V) 		Package
EMD6
(SC-75A)		 UMD3
<SOT-323>
(SC-70)		 SMD3
<SOT-346>
(SC-59)		 SMD5
(SC-74A)
Low Capacitance Zener Diodes/td> 6.2   UMZU6.2N   FTZU6.2E
6.8   UMZC6.8N STZC6.8N  
12 RSB12JS2      


Application VZ
(V)		 Package
EMD5
(SC-75A)		 UMD5
<SOT-353>
(SC-88A)		 PMDU
<SOD-123>		 SMD6
<SOT-457>
(SC-74)		 PMDS
<SOD-106>
ESD Protection Divices 5     RSA5M   RSA5L
6.1 RSA6.1J4 RSA6.1EN   RSA6.1U5  
12     RSA12M   RSA12L
30         RSA30L


Application VZ
(V)		 Package
VMN2 VMD2 EMD2
<SOD-523>
(SC-79)		 UMD2
<SOD-323>
(SC-961)		 TUMD2 UMD3
<SOT-323>
(SC-70)
Bi-Directional Zener Diodes 5.6     RSB5.6S      
6.8 RSB6.8CS
NEW
RSBC6.8CS		 RSB6.8G RSB6.8S     RSB6.8F2
16       RSB16V RSB16VA RSB16F2
18       RSB18V   RSB18F2
27       RSB27V   RSB27F2

NEW! Diodes

2008.04.26

Ultra-compact PIN Diode Arrays

2007.03.20

The Industry's Smallest Zener and Schottky Diodes

2007.03.16

New Product Bi-directional Zener Diodes