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1 Circuit Through Hole Disc Varistor HEL 10D471K 10mm 470V Imax 2.5KA S300K10 471KD10
Features Of The Disc Varistor HEL 10D471K
◆ Small size, large flow capacity and energy tolerance
◆ Epoxy resin insulation encapsulation
◆ Response time: <25ns
◆ Ambient temperature: -40℃～+85℃
◆ Insulation resistance: ≥500MΩ
◆ Varistor voltage temperature coefficient: -0.5%/℃
◆ Chip diameter: 5, 7, 10, 14, 20, 25, 32, 40mm
◆ The allowable deviation of the varistor voltage is: K±10%
Function Of The Disc Varistor HEL 10D471K
①Overvoltage protection of transistors, ICs, thyristors and semiconductor switching elements and various electronic and electrical equipment
②Surge absorption and overvoltage protection of household appliances
③Industrial electrical surge absorption
④Electrostatic discharge and noise signal cancellation
⑤Surge absorption of relays and solenoid valves
⑥Overvoltage protection of leakage switch
⑦Lightning protection and overvoltage protection of telephone program-controlled switches and communication equipment
Application Of The Disc Varistor HEL 10D471K
■ Power supplies
■ Power systems
■ Line voltage
■ Telecom systems
■ White goods / appliances
Dimension Of The Disc Varistor HEL 10D471K(mm)
| Series | Varistor Voltage | Tmax |
| 10D | 18V ~ 39V | 4.5 |
| 47V ~ 68V | 5 | |
| 82V ~ 150V | 4.5 | |
| 180V ~ 270V | 5 | |
| 330V ~ 390V | 5.5 | |
| 430V ~ 560V | 6 | |
| 620V ~ 780V | 7 | |
| 820V ~ 1200V | 8.2 | |
| 1300V ~ 1500V | 9.3 | |
| 1600V ~ 1800V | 11 |
Note: If the foot type is non-linear such as outward bending, usually Hmax=17mm
Electrical Parameters Of The Disc Varistor HEL 10D471K
| P/N | V1mA | AC | DC | V25A | Imax | In(15次) | (W) | (10/1000μs)(J) | 1kHz |
| (V) | (V) | (V) | (V) | (8/20μs) | (8/20μs) | (PF) | |||
| (A) | (A) | ||||||||
| HEL 10D180K | 18(16～20) | 11 | 14 | 38 | 500 | — | 0.05 | 2.8 | 6500 |
| HEL 10D220K | 22(20～24) | 14 | 18 | 43 | 500 | — | 0.05 | 3.5 | 5000 |
| HEL 10D270K | 27(24～30) | 17 | 22 | 53 | 500 | — | 0.05 | 4.2 | 4200 |
| HEL 10D330K | 33(30～36) | 20 | 26 | 65 | 500 | — | 0.05 | 5.2 | 3700 |
| HEL 10D390K | 39(35～43) | 25 | 31 | 77 | 500 | — | 0.05 | 6.2 | 3300 |
| HEL 10D470K | 47(42～52) | 30 | 38 | 93 | 500 | — | 0.05 | 7.4 | 2900 |
| HEL 10D560K | 56(50～62) | 35 | 45 | 110 | 500 | — | 0.05 | 8.8 | 2500 |
| HEL 10D680K | 68(61～75) | 40 | 56 | 135 | 500 | — | 0.05 | 11 | 2100 |
| HEL 10D820K | 82(74～90) | 50 | 65 | 135 | 2500 | 1500 | 0.4 | 13 | 1700 |
| HEL 10D101K | 100(90～110) | 60 | 85 | 165 | 2500 | 1500 | 0.4 | 16 | 1500 |
| HEL 10D121K | 120(108～132) | 75 | 100 | 200 | 2500 | 1500 | 0.4 | 19 | 1300 |
| HEL 10D151K | 150(135～165) | 95 | 125 | 250 | 2500 | 1500 | 0.4 | 24 | 1000 |
| HEL 10D181K | 180(162～198) | 115 | 150 | 300 | 2500 | 1500 | 0.4 | 28 | 770 |
| HEL 10D201K | 200(180～220) | 130 | 170 | 340 | 2500 | 1500 | 0.4 | 32 | 560 |
| HEL 10D221K | 220(198～242) | 140 | 180 | 360 | 2500 | 1500 | 0.4 | 35 | 440 |
| HEL 10D241K | 240(216～264) | 150 | 200 | 395 | 2500 | 1500 | 0.4 | 38 | 410 |
| HEL 10D271K | 270(243～297) | 175 | 225 | 455 | 2500 | 1500 | 0.4 | 43 | 380 |
| HEL 10D301K | 300(270～330) | 195 | 250 | 505 | 2500 | 1500 | 0.4 | 47 | 340 |
| HEL 10D331K | 330(297～363) | 210 | 275 | 550 | 2500 | 1500 | 0.4 | 52 | 330 |
| HEL 10D361K | 360(324～396) | 230 | 300 | 595 | 2500 | 1500 | 0.4 | 57 | 310 |
| HEL 10D391K | 390(351～429) | 250 | 320 | 650 | 2500 | 1500 | 0.4 | 61 | 290 |
| HEL 10D431K | 430(387～473) | 275 | 350 | 710 | 2500 | 1500 | 0.4 | 68 | 270 |
| HEL 10D471K | 470(423～517) | 300 | 385 | 775 | 2500 | 1500 | 0.4 | 74 | 240 |
| HEL 10D511K | 510(459～561) | 320 | 418 | 842 | 2500 | 1500 | 0.4 | 74 | 230 |
| HEL 10D561K | 560(504～616) | 350 | 460 | 920 | 2500 | 1500 | 0.4 | 74 | 230 |
| HEL 10D621K | 620(558～682) | 385 | 505 | 1025 | 2500 | 1500 | 0.4 | 74 | 190 |
| HEL 10D681K | 680(612～748) | 420 | 560 | 1120 | 2500 | 1500 | 0.4 | 74 | 170 |
| HEL 10D751K | 750(675～825) | 460 | 615 | 1240 | 2500 | 1500 | 0.4 | 75 | 160 |
| HEL 10D781K | 780(702～858) | 485 | 640 | 1290 | 2500 | 1500 | 0.4 | 78 | 160 |
| HEL 10D821K | 820(738～902) | 510 | 670 | 1355 | 2500 | 1500 | 0.4 | 85 | 160 |
| HEL 10D911K | 910(819～1001) | 550 | 745 | 1500 | 2500 | 1500 | 0.4 | 93 | 150 |
| HEL 10D951K | 950(855～1045) | 580 | 780 | 1570 | 2500 | 1500 | 0.4 | 97 | 130 |
| HEL 10D102K | 1000(900～1100) | 625 | 825 | 1650 | 2500 | 1500 | 0.4 | 102 | 120 |
| HEL 10D112K | 1100(990～1210) | 680 | 895 | 1815 | 2500 | 1500 | 0.4 | 115 | 110 |
| HEL 10D152K | 1500(1350～1650) | 900 | 1220 | 2475 | 2500 | 1500 | 0.4 | 155 | 100 |
| HEL 10D182K | 1800(1620～1980) | 1000 | 1465 | 2970 | 2500 | 1500 | 0.4 | 185 | 80 |
180 to 680 The maximum limit voltage test current is 5A.
Inrush current impulse level Of The Disc Varistor HEL 10D471K
| Product Level | K Coventional Version | KJ Enhanced Version | KH Super Enhanced Version | KX Custom made Version | ||||
| Part No. | V1mA(V) | Withstanding Surge Current (Imax) (A) | Impulse Current 15 times 8/20μs (A) | Withstanding Surge Current (Imax) (A) | Impulse Current 15 times 8/20μs (A) | Withstanding Surge Current (Imax) (A) | Impulse Voltage 40 times (1.2/50μs) (V) | Super High Energy |
| 5D | 82～750 | 400 | 150 | 800 | 250 | 800 | 1000 | Example 1 instead of 20D
Example 2 HEL14D561KX reach 6KV/3KA 100 times |
| 7D | 82～820 | 1200 | 500 | 1750 | 1000 | 1750 | 2000 | |
| 10D | 82～1800 | 2500 | 1500 | 3500 | 1500 | 3500 | 4000 | |
| 14D | 82～1800 | 4500 | 3000 | 6000 | 3000 | 6000 | 6000 | |
| 20D | 82～1800 | 6500 | 3000 | 10000 | 5000 | 10000 | 10000 | |
| 5D | 18～68 | 100 | - | 250 | 150 | - | - | |
| 7D | 18～68 | 250 | - | 500 | 250 | - | - | |
| 10D | 18～68 | 500 | - | 1000 | 500 | - | - | |
| 14D | 18～68 | 1000 | - | 2000 | 1000 | - | - | |
| 20 | 18～68 | 2000 | - | 3000 | 1000 | - | - | |
| In accordance with International and National Standards | IEC61051-1 GB/T10193 IEC61051-2 GB/T10194 IEC61051-2-2 GB/T10195 CSA-C22.2 UL1449 | Include the left column, and add the following: IEC60950-1:2005/Annex Q GB4943.1-2011 GB8898-2011 UL1449 | Include the left column, and add the following: IEC61000-4-5 GB/T17626.5 IEC61643-331 GB/T18802.331 | |||||
Remark: the Impluse voltage testing standards(1.2/50μs) with 40 times are only applicable to the products
which with the varistor voltage more than 430V.
Safety certification and corresponding models Of The Disc Varistor HEL 10D471K
| Voltage | 5D | 7D | 10D | 14D | 20D |
| 180 | UL | UL | UL | UL | UL |
| 220 | |||||
| 270 | |||||
| 330 | |||||
| 390 | |||||
| 470 | |||||
| 560 | |||||
| 680 | |||||
| 820 | CQC UL VDE CSA | CQC UL VDE CSA | CQC UL VDE CSA | CQC UL VDE CSA | CQC UL VDE CSA |
| 101 | |||||
| 121 | |||||
| 151 | |||||
| 181 | |||||
| 201 | CQC UL VDE CSA | CQC UL VDE CSA | CQC UL VDE CSA Q2 | CQC UL VDE CSA Q2 | CQC UL VDE CSA Q2 |
| 221 | |||||
| 241 | |||||
| 271 | |||||
| 301 | |||||
| 331 | |||||
| 361 | |||||
| 391 | |||||
| 431 | CQC UL VDE CSA | CQC UL VDE CSA | CQC UL VDE CSA Q1 Q2 | CQC UL VDE CSA Q1 Q2 | CQC UL VDE CSA Q1 Q2 |
| 471 | |||||
| 511 | CQC UL VDE | ||||
| 561 | VDE | ||||
| 621 | VDE | ||||
| 751 | / | CQC UL VDE | |||
| 781 | |||||
| 821 | |||||
| 911 | / | / | |||
| 951 | |||||
| 102 | |||||
| 112 | |||||
| 152 | / | / | CQC VDE CSA Q1 Q2 | CQC VDE CSA Q1 Q2 | CQC VDE CSA Q1 Q2 |
| 182 | / | / | VDE CSA Q2 | VDE CSA Q2 | VDE CSA Q1 Q2 |
Remark:
CQC (GB/T10193, GB/T10194).
UL1449(VZCA2/UL,VZCA8/C-UL), 105℃, 125℃, 130℃.
VDE (IEC61051-1, -2, -2-2).
CSA (C22.2 No.269.5-17).
Q1 = CQC (GB4943.1, GB8898).
Q2 = VDE (IEC60950-1 Annex.Q).
The above certification specifications may be changed, if necessary, please ask the quality control
department for the latest version.
Derating curve graph and volt-ampere characteristic graph
Maximum surge current imax = f(tr,pulse train)
v/i characteristics
A=Leakage current, B = Protection level for worst-case varistor tolerances
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