WMZ12A (II) is mainly used for lightning protection, communication machine over-current protection
Other electrical performance parameters:
Power frequency resistance: 3Arms 220Vrms 20TImes
Lightning strike resistance: 10/310μs 1.5KV37.5A 10TImes
10/1000μs 1.0KV25A 30TImes
Withstand voltage capability: 250Vrms 3Arms 15min
Recovery time: ≤60S
High voltage withstand capability: 650Vrms 1.1Arms 20times

Serial number	Model Int(mA)	Rated zero power resistor	Maximum no operating current Int（mA）	Operating time at maximum current	Maximum current  Imax	Maximum voltage  Vmax	Failure mode	Dimensions (mm)
		R25(Ω)	at 40℃	t(Sec)	(A)	(V)		Dmax	Tmax	F±1	dmax
1	WMZ12A-10RM100	10±20%	100	< 0.2	3.0	250	250V/10A	7.5	4.0	5.0	0.6
2	WMZ12A-12RM100	12±20%	100	< 0.3	2.0	250	250V/10A	9.0	5.0	5.0	0.6
3	WMZ12A-12RM060	12±20%	60	< 0.2	2.0	250	250V/10A	9.0	5.0	5.0	0.6
4	WMZ12A-20RM080	10±20%	80	< 0.2	3.0	250	250V/10A	9.0	4.0	5.0	0.6
5	WMZ12A-35RM075	35±20%	75	< 0.2	3.0	250	250V/5A	9.0	5.0	5.0	0.6
6	WMZ12A-40RM070	40±20%	70	< 0.2	3.0	250	250V/5A	9.0	5.0	5.0	0.6
7	WMZ12A-50RM060	50±20%	60	< 0.2	3.0	250	250V/5A	9.0	5.0	5.0	0.6
8	WMZ12A-50RM060	50±20%	60	< 0.2	3.0	650	650V/10A	9.5	5.0	5.0	0.6
9	WMZ12A-55RM060	55±20%	60	< 0.2	3.0	650	650V/10A	9.5	5.0	5.0	0.6
10	WMZ12A-9R0M130	9±20%	130	< 0.8	3.0	250	250V/10A	10.5	4.5	5.0	0.6
11	WMZ12A-25RM080	25±20%	80	< 0.2	3.0	250	250V/10A	6.6	4.0	5.0	0.6
12	WMZ12A-25RM100	25±20%	100	< 0.4	3.0	250	250V/10A	8.2	4.0	5.0	0.6
13	WMZ12A-10RM130	10±20%	130	< 0.5	3.0	250	250V/10A	9.5	4.5	5.0	0.6
14	WMZ12A-12RM090	12±20%	90	< 0.3	2.0	250	250V/10A	9.5	4.5	5.0	0.6
15	WMZ12A-15RM070	15±20%	70	< 0.2	2.0	250	250V/10A	9.5	4.5	5.0	0.6
16	WMZ12A-18RM110	18±20%	110	< 0.4	3.0	250	250V/10A	9.5	4.5	5.0	0.6
17	WMZ12A-20RM070	20±20%	70	< 0.2	3.0	250	250V/10A	9.5	4.5	5.0	0.6
18	WMZ12A-35RM060	35±20%	60	< 0.2	3.0	250	250V/10A	9.5	4.5	5.0	0.6
19	WMZ12A-50RM060	50±20%	60	< 0.2	3.0	250	250V/10A	11	4.5	5.0	0.6
20	WMZ12A-55RM060	55±20%	60	< 0.2	3.0	250	250V/10A	11	4.5	5.0	0.6
21	WMZ12A-101RM050	100±20%	50	< 0.1	3.0	250	250V/10A	9.0	4.5	5.0	0.6
22	WMZ12A-10RM140SMD	10±20%	140	< 5.0	1.0	250	250V/10A	/	/	/	/
23	WMZ12A-9R0M130SMD	9±20%	130	< 0.5	3.0	250	250V/10A	/	/	/	/
24	WMZ12A-25RM100SMD	25±20%	100	< 0.3	3.0	250	250V/10A	/	/	/	/
25	WMZ12A-25RM100SMD	25±20%	100	< 0.4	3.0	300	300V/10A	/	/	/	/
26	WMZ12A-39RM070SMD	39±20%	70	< 0.3	3.0	300	300V/10A	/	/	/	/
27	WMZ12A-50RM070SMD	50±20%	70	< 0.2	3.0	250	250V/5A	/	/	/	/
28	WMZ12A-50RM060SMD	50±20%	60	< 0.2	3.0	600	600V/5A	/	/	/	/
29	WMZ12A-55RM050SMD	55±20%	50	< 0.2	3.0	600	600V/5A	/	/	/	/
30	WMZ12A-20RM080SMD	20±20%	80	< 0.2	3.0	250	250V/10A	/	/	/	/

WMZ12A (III) high voltage PTC thermistor for 485, 232 and other interface circuit protection

No.	Model	Rated zero power resistor	Maximum no operating current at 25℃	Operating current at 25℃	Maximum current  Imax	Maximum voltage  Vmax	Dimensions (mm)
		R25(Ω)	Int（mA）	It(mA)	(A)	(Vac)	Dmax	Tmax	F±1	dmax
1	WMZ12A-120G601RH021	600±25%	21	39	0.2	420	7.0	5.0	5.0	0.6
2	WMZ12A-120G151RH050	150±25%	50	100	2.0		12.5	7.0	5.0	0.6
3	WMZ12A-120G151RH043	150±25%	43	86	1.4		8.5	7.0	5.0	0.6
4	WMZ12A-120G131RH045	130±25%	45	90	1		7.5	7.0	5.0	0.6
5	WMZ12A-120G121RH056	120±25%	56	112	2.0		12.5	7.0	5.0	0.6
6	WMZ12A-120G121RH049	120±25%	49	97	1.4		8.5	7.0	5.0	0.6
7	WMZ12A-120G80RH069	80±25%	69	137	2.0		12.5	7.0	5.0	0.6
8	WMZ12A-120G70RH064	70±25%	64	127	1.4		8.5	7.0	5.0	0.6
9	WMZ12A-120G50RH087	50±25%	87	173	2.0		12.5	7.0	5.0	0.6
10	WMZ12A-120G25RH123	25±25%	123	245	2.0		12.5	7.0	5.0	0.6
11	WMZ12A-120G561RH022	560±25%	22	44	0.3	450	7.0	5.0	5.0	0.6
12	WMZ12A-120G381RH030	380±25%	30	56	0.3		7.0	5.0	5.0	0.6
13	WMZ12A-120G251RH032	250±25%	32	65	0.3		7.0	5.0	5.0	0.6
14	WMZ12A-115G112RH016	1100±25%	16	32	1.0	550	8.5	7.0	5.0	0.6
15	WMZ12A-115G102RH015	1000±25%	15	30	0.1		7.0	5.0	5.0	0.6
16	WMZ12A-115G501RH028	500±25%	28	55	1.4		12.5	7.0	5.0	0.6
17	WMZ12A-120G152RH012	1500±25%	12	24	0.1		7.0	5.0	5.0	0.6
18	WMZ12A-120G122RH015	1200±25%	15	30	0.1		7.0	5.0	5.0	0.6
19	WMZ12A-120G501RH024	500±25%	24	48	1.0		8.5	7.0	5.0	0.6
20	WMZ12A-90G132RH013	1300±25%	13	26	0.3	600	7.0	5.0	5.0	0.6
21	WMZ12A-90G102RH015	1000±25%	15	30	0.3		7.0	5.0	5.0	0.6
22	WMZ12A-90G801RH018	800±25%	18	36	0.3		7.0	5.0	5.0	0.6
23	WMZ12A-100G272RH010	2700±25%	10	20	0.2		7.0	5.0	5.0	0.6
24	WMZ12A-100G152RH014	1500±25%	14	28	0.2		7.0	5.0	5.0	0.6
25	WMZ12A-110G752RH008	7500±25%	8	17	0.5	1000