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25mm Metal Oxide Varistor 470V 750V 25D471K 25D751K Voltage Dependent Resistor

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25mm Metal Oxide Varistor 470V 750V 25D471K 25D751K Voltage Dependent Resistor

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Brand Name :	TIAN RUI
Model Number :	25 DVaristors
Price :	Negotiable
Payment Terms :	D/P,T/T,Paypal,Western Union
Supply Ability :	1000000PCS/Month
Delivery Time :	5-7 days
Certification :	UL CSA VDE

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25mm Metal Oxide Varistor 470V 750V 25D471K 25D751K Voltage Dependent Resistor

25MM 25D 470V 750V 25D471K 25D751K Voltage Dependent Resistor ZOV Zinc Oxide Metal Varistor

Table1
Unit:mm
Symbol							Dimension
D(max.)							23.0
H(max.)							26.5
F(±0.8/1.0)							7.5/10.0
T							Table2
d(±0.05)							0.8/1.0
L(min.)							20.0
Epoxy Colour : Green

Table2
Unit:mm
Model	T	Model	T
180K	2.97-4.26	361K	4.01-5.95
220K	3.08-4.41	391K	4.13-6.17
270K	3.19-4.63	431K	4.28-6.45
330K	3.32-4.83	471K	4.44-6.74
390K	3.26-4.57	511K	4.60-7.02
470K	3.39-4.80	561K	4.79-7.37
560K	3.54-5.06	621K	5.03-7.67
680K	3.75-5.36	681K	5.26-7.80
820K	3.06-4.22	751K	5.53-8.00
101K	3.16-4.40	781K	5.65-8.19
121K	3.28-4.60	821K	5.81-8.44
151K	3.44-4.90	911K	6.16-8.95
181K	3.61-5.20	102K	6.51-9.51
201K	3.76-5.25	112K	6.90-10.14
221K	3.84-5.30	122K	7.30-10.77
241K	3.95-5.80	142K	8.47-12.60
271K	3.66-5.32	162K	8.86-13.23
301K	3.77-5.53	182K	9.64-14.49
331K	3.89-5.74

Electrical characteristics
ZOV Part Number	Maximum Allowable Voltage		Varistor voltage	IR3	@	Clamping volatge		Maximum Peak Crurrent (8/20μs)		Maximum Ebergt 10/1000μs		Reted Power	Typical Capacitance (Reference)
	Ac.rm s	DC	V1.0 mA	μA		VC	IP	Standard	High Surge	Standar d	High Surge	(w)	＠1KHz
	(V)	(V)	(V)			(V)	(A)	(A)		(JOULE)			(pf)
25D180KP/Z	11	14	18(15-21.6)	50	10	36	30	3000/1 500*2	4500/3 000*2	13	20	0.25	45000
25D220KP/Z	14	18	22(19.5-26)			43				16	25		29000
25D270KP/Z	17	22	27(24-31)			53				19	30		26500
25D330KP/Z	20	26	33(29.5-36.5)			65				24	35		18000
25D390KP/Z	25	31	39(35-43)			77				28	40		13500
25D470KP/Z	30	38	47(42-52)			93				34	50		11500
25D560KP/Z	35	45	56(50-62)			110				41	60		10500
25D680KP/Z	40	56	68(61-75)			135				49	70		9050
25D820KP/Z	50	65	82(74-90)	36	21	135	150	15000/ 10000* 2	18000/ 15000* 2	56	80	1.2	7700
25D101KP/Z	60	85	100(90-110)			165				70	100		6300
25D121KP/Z	75	100	120(108-132)			200				85	120		5200
25D151KP/Z	95	125	150(135-165)			250				106	160		4300
25D181KP/Z	115	150	180(162-198)			300				130	175		3500
25D201KP/Z	130	170	200(185-225)			340				140	190		3200
25D221KP/Z	140	180	220(198-242)			360				155	200		2900
25D241KP/Z	150	200	240(216-264)			395				168	220		2650
25D271KP/Z	175	225	270(243-297)			455				190	255		2400
25D301KP/Z	190	250	300(270-330)			500				210	275		2100
25D331KP/Z	210	275	330(297-363)			550				228	300		1900
25D361KP/Z	230	300	360(324-396)			595				255	330		1750
25D391KP/Z	250	320	390(351-429)			650				275	360		1600
25D431KP/Z	275	350	430(387-473)			710				305	380		1500
25D471KP/Z	300	385	470(423-517)			775				350	400		1400
25D511KP/Z	320	415	510(459-561)			845				361	420		1250
25D561KP/Z	350	460	560(504-616)			925				380	440		1150
25D621KP/Z	385	505	620(558-682)			1025				396	450		1050
25D681KP/Z	420	560	680(612-748)			1120				408	460		950
25D751KP/Z	460	615	750(675-825)			1240				420	510		850
25D781KP/Z	485	640	780(702-858)			1290				440	530		800
25D821KP/Z	510	670	820(738-902)			1355				460	570		750
25D911KP/Z	550	745	910(819-1001)			1500				510	620		700
25D102KP/Z	625	825	1000(900-1100)			1650				565	685		650
25D112KP/Z	680	895	1100(990-1210)			1815				620	720		600
25D122KP/Z	750	990	1200(1080-1320)			1980				631	792		550
25D142KP/Z	880	1140	1400(1260-1540)			2310				697	850		500
25D162KP/Z	1000	1280	1600(1440-1760)			2640				805	970		450
25D182KP/Z	1100	1465	1800(1620-1980)			2970				896	1092		400

ELETRICAL PARAMETER

Max. Allowable Voltage

25mm Metal Oxide Varistor 470V 750V 25D471K 25D751K Voltage Dependent Resistor

Reference p2*

At 1.0mA DC

Varistor Voltage(Test Time For 30ms)

V0.1mA □ V1mA ■

Rated Wattage

Max. Clamping Voltage

Test Current Waveform 8/20μs

Withstanding Surge Current

Test Current Waveform 8/20μs

Max. Energy

Test Current Waveform 10/1000μs

Typical Capacitance

@1KHz

Leakage Current

At 80% of Varistor Voltage

Nonlinear Exponent (α)

Temperature Coefficient of Varistor Voltage

-0.05≤Tc≤0.05(％
℃)

V1mA@85℃-V1mA@25℃ × 1 × 100%(%/℃) V1mA@25℃ 60

V1mA@-40℃-V1mA@25℃ × 1 × 100%(%/℃) V1mA@25℃ 65

Impulse Life

≦±10%(V1mA)

Test Current Waveform 8/20μs

MATERIAL LIST

Material Chart RoHs

Item

Composition

Manufacturer

Coating

Epoxy Resin

Made in China, and in line with the UL 94-V0 testing, meet the environmental requirements

Lead

Cp/Cu wire

Made in China, meet the environmental requirements

Electrode

Silver

Made in China, meet the environmental requirements

Disk

Zinc Oxide

Made in China, meet the environmental requirements

Solder

Sn:96.5%CU 0.5%Ag3.0%

Made in China, meet the environmental requirements

MECHENICAL REQUIREMENTS

Tensile of Terminations

No Outstanding Damage

1.0Kgf; 10Sec.

Bending of Terminations

No Outstanding Damage

0.5Kgf；90°,3 Times

Vibration

No Outstanding Damage

Freq:10-55hz;Amp:0.75mm,1Min
.

Solderability

Min. 95% of The Terminal Should Be Covered With
Solder Uniformly

Solder Temp:245±5℃ Immersed Time: ≤5Sec.

Resistance of soldering heat

△ V1mA/V1mA
≦±5%

Solder Temp: 260±5℃ Immersed Time: 10±1Sec.

ENVIRONMENTAL REQUIREMENTS

High Temperature Storage

△ V1mA/V1mA
≦±5%

Ambient Temp: 125±2℃ Duration:1000h

Low Temperature Storage

△ V1mA/V1mA
≦±5%

Ambient Temp: -40±2℃ Duration:1000h

High Humidity Storage/Damp Heat

△ V1mA/V1mA
≦±5%

Ambient Temp: 40±2℃ 90-95%
R.H. Duration:1000h

Temperature Cycle

△ V1mA/V1mA
≦±5%

Step

Temperature
(℃)

Period
(min)

-40±3

30 ±3

Room Temp

15 ±3

85±3

30 ±3

Room Temp

15 ±3

High Temperature Load

△ V1mA/V1mA
≦±10%

Ambient temp:85±2℃
Duration:1000h Load: MAX. Allowable Voltage

High Humidity Load

△ V1mA/V1mA
≦±10%

Ambient Temp: 40±2℃
90-95%R.H.Duration:1000H
Load: MAX. Allowable Voltage

Operating Temperature Range

-40℃ ~ +85℃

Storage Temperature Range

-40℃ ~ +125℃

MARKING CODE

QUANTITY

Product Tags:

25mm Metal Oxide Varistor

470V Metal Oxide Varistor

25D471K Voltage Dependent Resistor

25mm Metal Oxide Varistor 470V 750V 25D471K 25D751K Voltage Dependent Resistor

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