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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 series CDZ series VDZ series EDZ series
Power(mW) 100 100 100 150
Electrical Characteristics
(Ta=25℃)		 VZ
(V)		 IZ
(mA)		 VZ
(V)		 IZ
(mA)		 VZ
(V)		 IZ
(mA)		 VZ
(V)		 IZ
(mA)
Voltage 3.6B 3.6～3.845 5 3.6B 3.6～3.845 5 3.6B 3.6～3.845 5
3.9 3.74～4.16 5 3.9B 3.89～4.16 5 3.9B 3.89～4.16 5 3.9B 3.89～4.16 5
4.3B 4.17～4.43 5 4.3B 4.17～4.43 5 4.3B 4.17～4.43 5
4.7 4.42～4.9 5 4.7B 4.55～4.75 5 4.7B 4.55～4.75 5 4.7B 4.55～4.75 5
5.1 4.84～5.37 5 5.1B 4.98～5.2 5 5.1B 4.98～5.2 5 5.1B 4.98～5.2 5
5.6 5.31～5.92 5 5.6B 5.49～5.73 5 5.6B 5.49～5.73 5 5.6B 5.49～5.73 5
6.2 5.86～6.53 5 6.2B 6.06～6.33 5 6.2B 6.06～6.33 5 6.2B 6.06～6.33 5
6.8 6.47～7.14 5 6.8B 6.65～6.93 5 6.8B 6.65～6.93 5 6.8B 6.65～6.93 5
7.5 7.06～7.84 5 7.5B 7.28～7.6 5 7.5B 7.28～7.6 5 7.5B 7.28～7.6 5
8.2 7.76～8.64 5 8.2B 8.02～8.36 5 8.2B 8.02～8.36 5 8.2B 8.02～8.36 5
9.1B 8.85～9.23 5 9.1B 8.85～9.23 5 9.1B 8.85～9.23 5
10B 9.77～10.21 5 10B 9.77～10.21 5 10B 9.77～10.21 5
11B 10.76～11.22 5 11B 10.76～11.22 5 11B 10.76～11.22 5
12B 11.74～12.24 5 12B 11.74～12.24 5 12B 11.74～12.24 5
13B 12.91～13.49 5 13B 12.91～13.49 5 13B 12.91～13.49 5
15B 14.34～14.98 5 15B 14.34～14.98 5 15B 14.34～14.98 5
16B 15.85～16.51 5 16B 15.85～16.51 5 16B 15.85～16.51 5
18B 17.56～18.35 2 18B 17.56～18.35 2
20B 19.52～20.39 2 20B 19.52～20.39 2
22B 21.54～22.47 2 22B 21.54～22.47 2
24B 23.72～24.78 2 24B 23.72～24.78 2
27B 26.19～27.53 2 27B 26.19～27.53 2
30B 29.19～30.69 2 30B 29.19～30.69 2
33B 32.15～33.79 2 33B 32.15～33.79 2
36B 35.07～36.87 2 36B 35.07～36.87 2


Package
(mm)
UMD2
<SC-90>
(A)		 UMD4
<SC-82>
(SOT-343)		 TUMD2 TUMD2
Part No. UDZS series UMZ K series TFZ series TDZ series
Power(mW) 200 200 500 500
Electrical Characteristics
(Ta=25℃)		 VZ
(V)		 IZ
(mA)		 VZ
(V)		 IZ
(mA)		 VZ
(V)		 IZ
(mA)		 VZ
(V)		 IZ
(mA)
Voltage 3.6B 3.6～3.845 5 3.6K 3.6～3.845 5 3.6B 3.6～3.845 20
3.9B 3.89～4.16 5 3.9K 3.89～4.16 5 3.9B 3.89～4.16 20
4.3B 4.17～4.43 5 4.3K 4.17～4.43 5 4.3B 4.17～4.43 20
4.7B 4.55～4.75 5 4.7K 4.55～4.75 5 4.7B 4.55～4.8 20
5.1B 4.98～5.2 5 5.1K 4.98～5.2 5 5.1B 4.94～5.2 20 5.1 4.6～5.6 10
5.6B 5.49～5.73 5 5.6K 5.49～5.73 5 5.6B 5.45～5.73 20 5.6 5.1～6.1 10
6.2B 6.06～6.33 5 6.2K 6.06～6.33 5 6.2B 5.96～6.27 20 6.2 5.6～6.8 10
6.8B 6.65～6.93 5 6.8K 6.65～6.93 5 6.8B 6.49～6.83 20 6.8 6.2～7.4 10
7.5B 7.28～7.6 5 7.5K 7.28～7.6 5 7.5B 7.07～7.45 20 7.5 6.8～8.3 10
8.2B 8.02～8.36 5 8.2K 8.02～8.36 5 8.2B 7.78～8.19 20 8.2 7.4～9 10
9.1B 8.85～9.23 5 9.1K 8.85～9.23 5 9.1B 8.57～9.01 20 9.1 8.2～10 10
10B 9.77～10.21 5 10K 9.77～10.21 5 10B 9.41～9.9 20 10 9～11 10
11B 10.76～11.22 5 11K 10.76～11.22 5 11B 10.5～11.05 10 11 9.9～12.1 10
12B 11.74～12.24 5 12K 11.74～12.24 5 12B 11.44～12.03 10 12 10.8～13.2 10
13B 12.91～13.49 5 13K 12.91～13.49 5 13B 12.55～13.21 10 13 11.7～14.3 10
15B 14.34～14.98 5 15K 14.34～14.98 5 15B 13.89～14.62 10 15 13.5～16.5 10
16B 15.85～16.51 5 16K 15.85～16.51 5 16B 15.25～16.04 10 16 14.4～17.6 10
18B 17.56～18.35 5 18K 17.56～18.35 5 18B 16.82～17.7 10 18 16.2～19.8 10
20B 19.52～20.39 5 20K 19.52～20.39 5 20B 18.63～19.59 10 20 18～22 10
22B 21.54～22.47 5 22K 21.54～22.47 5 22B 20.64～21.71 5 22 19.8～24.2 10
24B 23.72～24.78 5 24K 23.72～24.78 5 24B 22.61～23.77 5 24 21.6～26.4 10
27B 26.19～27.53 5 27K 26.19～27.53 5 27B 24.97～26.26 5 27 24.3～29.7 10
30B 29.19～30.69 5 30K 29.19～30.69 5 30B 27.7～29.13 5 30 27～33 10
33B 32.15～33.79 5 33K 32.15～33.79 5 33B 30.32～31.88 5
36B 35.07～36.87 5 36K 35.07～36.87 5 36B 32.79～34.49 5
39B 35.36～37.19 5


Package
(mm)
PMDU
(SOD-123)		 PMDS
(SOD-106)		 LLDS
(LL-34)		 MSD
(DO-34)
Part No. KDZ series PTZ series RLZ series MTZJ series
Power(mW) 1000 1000 500 500
Electrical Characteristics
(Ta=25℃)		 VZ
(V)		 IZ
(mA)		 VZ
(V)		 IZ
(mA)		 VZ
(V)		 IZ
(mA)		 VZ
(V)		 IZ
(mA)
Voltage 3.6B 3.6～4 40 3.6B 3.6～4 40 3.6B 3.6～3.845 20 3.6B 3.6～3.845 5
3.9B 3.9～4.4 40 3.9B 3.9～4.4 40 3.9B 3.89～4.16 20 3.9B 3.89～4.16 5
4.3B 4.3～4.8 40 4.3B 4.3～4.8 40 4.3B 4.17～4.43 20 4.3B 4.17～4.43 5
4.7B 4.7～5.2 40 4.7B 4.7～5.2 40 4.7B 4.55～4.8 20 4.7B 4.55～4.8 5
5.1B 5.1～5.7 40 5.1B 5.1～5.7 40 5.1B 4.94～5.2 20 5.1B 4.94～5.2 5
5.6B 5.6～6.3 40 5.6B 5.6～6.3 40 5.6B 5.45～5.73 20 5.6B 5.45～5.73 5
6.2B 6.2～7 40 6.2B 6.2～7 40 6.2B 5.96～6.27 20 6.2B 5.96～6.27 5
6.8B 6.8～7.7 40 6.8B 6.8～7.7 40 6.8B 6.49～6.83 20 6.8B 6.49～6.83 5
7.5B 7.5～8.4 40 7.5B 7.5～8.4 40 7.5B 7.07～7.45 20 7.5B 7.07～7.45 5
8.2B 8.2～9.3 40 8.2B 8.2～9.3 40 8.2B 7.78～8.19 20 8.2B 7.78～8.19 5
9.1B 9.1～10.2 40 9.1B 9.1～10.2 40 9.1B 8.57～9.01 20 9.1B 8.57～9.01 5
10B 10～11.2 40 10B 10～11.2 40 10B 9.41～9.9 20 10B 9.41～9.9 5
11B 11～12.3 20 11B 11～12.3 20 11B 10.5～11.05 10 11B 10.5～11.05 5
12B 12～13.5 20 12B 12～13.5 20 12B 11.44～12.03 10 12B 11.44～12.03 5
13B 13.3～15 20 13B 13.3～15 20 13B 12.55～13.21 10 13B 12.55～13.21 5
15B 14.7～16.5 20 15B 14.7～16.5 20 15B 13.89～14.62 10 15B 13.89～14.62 5
16B 16.2～18.3 20 16B 16.2～18.3 20 16B 15.25～16.04 10 16B 15.25～16.04 5
18B 18～20.3 20 18B 18～20.3 20 18B 16.82～17.7 10 18B 16.82～17.7 5
20B 20～22.4 20 20B 20～22.4 20 20B 18.63～19.59 10 20B 18.63～19.59 5
22B 22～24.5 10 22B 22～24.5 10 22B 20.64～21.71 5 22B 20.64～21.71 5
24B 24～27.6 10 24B 24～27.6 10 24B 22.61～23.77 5 24B 22.61～23.77 5
27B 27～30.8 10 27B 27～30.8 10 27B 24.97～26.26 5 27B 24.97～26.26 5
30B 30～34 10 30B 30～34 10 30B 27.7～29.13 5 30B 27.7～29.13 5
33B 33～37 10 33B 33～37 10 33B 30.32～31.88 5 33B 30.32～31.88 5
36B 36～40 10 36B 36～40 10 36B 32.79～34.49 5 36B 32.79～34.49 5
39B 35.36～37.19 5 39B 35.36～37.19 5


●ESD Protection Divices

Application VZ
(V)		 Package
VMD3 EMD3
<SC-75A>
(SOT-416)		 EMD5
<SC-75A>		 UMD3
<SC-70>
(SOT-323)
Zener Arrays 5.1 UMZ5.1N
6.8 VMZ6.8N EMZ6.8N EMZ6.8E UMZ6.8N
8.2 UMZ8.2N
UMZ8.2T
12 UMZ12N
16 UMZ16N
18 UMZ18N
27 UMZ27N
30 UMZ30N
36 UMZ36N


Application VZ
(V)		 Package
UMD5
<SC-88A>
(SOT-353)		 SMD3
<SC-59>
(SOT-346)		 SMD5
<SC-74A>
Zener Arrays 4.3 FTZ4.3E
5.6 STZ5.6N FTZ5.6E
6.2 STZ6.2N
6.8 UMZ6.8EN STZ6.8N
STZ6.8T		 FTZ6.8E
30 FTZ30E


Application VZ
(V)		 Package
VMN2 VMD3 VMD3 EMD2
<SC-79>
(SOD-523)
Low Capacitance
Zener Diodes		 6.8 CDZC6.8B
NEW RSAC6.8CS		 VMZT6.8N VMZT6.8N EDZC6.8B
12 RSB12Z RSB12Z
16 NEW RSAC16CS


Application VZ
(V)		 Package
EMD3
<SC-75A>
(SOT-416)		 EMD5
<SC-75A>		 EMD6
<SC-75A>		 UMD3
<SC-70>
(SOT-323)
Low Capacitance
Zener Diodes		 6.2 UMZU6.2N
6.8 EMZC6.8N EMZT6.8E NEW RSB6.8JS2 UMZC6.8N
12 RSB12W RSB12JS2


Application VZ
(V)		 Package
SMD3
<SC-59>
(SOT-346)		 SMD5
<SC-74A>
Low Capacitance
Zener Diodes		 6.2 FTZU6.2E
6.8 STZC6.8N


Application VZ
(V)		 Package
EMD5
<SC-75A>		 UMD5
<SC-88A>
(SOT-353)		 SMD6
<SC-74>
(SOT-457)		 PMDU
(SOD-123)		 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
<SC-79>
(SOD-523)		 UMD2
<SC-90>
(A)		 UMD3
<SC-70>
(SOT-323)		 TUMD2
Bi-Directional
Zener Diodes		 5.6 RSB5.6S
6.8 RSBC6.8CS
RSB6.8CS		 RSB6.8G RSB6.8S RSB6.8F2
16 RSB16V RSB16F2 RSB16VA
18 RSB18V RSB18F2
27 RSB27V RSB27F2

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