Guangdong Uchi Technology Co.,Ltd
Guangdong Yuchi Technology Co., Ltd.
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Part number code for “UCHI ”
| Sizes | MAX | d | d-1(±0.1) | A | A-1 | K | |
| D | H | ||||||
| 14D | 16.5 | 21.0 | 0.8 | 7.5±1.0 | ≦3.0 | ||
| 20D | 21.0 | 26.0 | 1.0 | 10±1.0 | ≦3.0 | ||
| 25D | 26.0 | 31.0 | 1.0 | 10±1.0 | ≦3.0 | ||
| 32D | 35.0 | 40.0 | 7×0.5 | 1.5 | 25.4±1.0 | 25.4±1.0 | ≦5.0 |
| 40D | 42.0 | 48.0 | 7×0.5 | 1.5 | 25.4±1.0 | 25.4±1.0 | ≦5.0 |
| 53D | 56.0 | 61.0 | 9.6×0.7 | 25.4±1.0 | ≦5.0 | ||
| 20S / 22L | 22.0 | 25.0 | 4×0.3 | 1.0 | 22±1.0 | 10±1.0 | ≦3.0 |
| 22S | 28.0 | 28.0 | 4×0.4 | 1.0 | 22±1.0 | 10±1.0 / 12.5±1.0 | ≦5.0 |
| 30S | 35.0 | 28.0 | 4×0.5 | 1.5 | 22±1.0 / 25.4±1.0 | 22±1.0 | ≦5.0 |
| 34L | 33.0 | 38.0 | 6×0.5 / 7×0.5 | 1.5 | 22±1.0 / 25.4±1.0 | 22±1.0 | ≦5.0 |
| 34S | 36.0 | 40.0 | 6×0.5 / 7×0.5 | 1.5 | 22±1.0 / 25.4±1.0 | 22±1.0 | ≦5.0 |
| 34R | 36.0 | 40.0 | 6×0.5 / 7×0.5 | 22±1.0 / 25.4±1.0 | |||
| 34Z | 41.0 | 40.0 | 7×0.5 | 25.4±1.0 | ≦5.0 | ||
UCHI.22S / 22A SPECIFICATION
High energy varistors (MOVs) are designed for various applications. UCHI® offers the thinnest Type 1 (class I) varistors and high quality Type 2 (class II) varistors with the highest Imax capability, on the market.
The Epoxy coated type products are heavy-duty metal oxide varistors designed mainly for industrial applications and SPDs. They are larger diameter versions of the conventional metal oxide varistor disc components. They can have standard rigid terminals from UCHI® or can be custom designed to fulfill a customer's need to handle high current and energy, facilitating the mounting onto printed circuit boards. The Epoxy Coated Series offers excellent surge protection for use in industrial and consumer electrical equipment, power distribution, control equipment, security/fire alarm systems, railroad equipment, switchboards, computers, telecommunications, power supplies and motor controls.
| Model | Maximum | Varistor Voltage | Clamping | Rated voltage | Maximum | Maximum | Maximum | Typical | |||||
| Number | Allowable | voltage | Peak Current | Peak Current | Energy | Capacitance | |||||||
| 22.5*25.5mm | Voltage | (max.) | (8/20μs) | (8/20μs) | (Joule) | (Reference) | |||||||
| Normal Type | Silver Disc | AC. Rms | DC | V1.0mA ( V ) | VC | IP | reference | In. 10times | I Max. | I Max. | 10/1000 | @ 1KHz | |
| Type | ( V ) | ( V ) | min. | max. | ( V ) | ( A ) | ( V ) | (KA) | (KA) | μs | ( pf ) | ||
| 22H101K | 22A101K | 60 | 85 | 90 | 110 | 165 | 175 | Dc48 | 10 | 25 | 25 | 122 | 7200 |
| 22S220K | 22A220K | 14 | 18 | 20 | 25 | 43 | 35 | DC 12 | 3 | 6 | 6 | 28 | 37000 |
| 22S270K | 22A270K | 17 | 22 | 24 | 31 | 53 | 35 | 33 | 30000 | ||||
| 22S330K | 22A330K | 20 | 26 | 30 | 37 | 65 | 35 | 42 | 24500 | ||||
| 22S390K | 22A390K | 25 | 31 | 35 | 44 | 77 | 35 | 49 | 21000 | ||||
| 22S470K | 22A470K | 30 | 38 | 42 | 52 | 93 | 35 | DC 24 | 5 | 10 | 10 | 60 | 17250 |
| 22S560K | 22A560K | 35 | 45 | 50 | 63 | 110 | 35 | 72 | 14500 | ||||
| 22S680K | 22A680K | 40 | 56 | 61 | 75 | 135 | 35 | 85 | 9500 | ||||
| 22S820K | 22A820K | 50 | 65 | 74 | 90 | 135 | 175 | DC 48 | 10 | 18 | 18 | 98 | 8800 |
| 22S101K | 22A101K | 60 | 85 | 90 | 110 | 165 | 175 | 122 | 7200 | ||||
| 22S121K | 22A121K | 75 | 100 | 108 | 132 | 200 | 175 | DC 60 | 10 | 25 | 25 | 146 | 6000 |
| 22S151K | 22A151K | 95 | 125 | 135 | 165 | 250 | 175 | 185 | 4400 | ||||
| 22S181K | 22A181K | 115 | 150 | 162 | 198 | 300 | 175 | AC 100 | 218 | 3650 | |||
| 22S201K | 22A201K | 130 | 170 | 185 | 225 | 340 | 175 | AC 125 | 252 | 3300 | |||
| 22S221K | 22A221K | 140 | 180 | 198 | 242 | 360 | 175 | 280 | 3000 | ||||
| 22S241K | 22A241K | 150 | 200 | 222 | 270 | 395 | 175 | 302 | 2800 | ||||
| 22S271K | 22A271K | 180 | 225 | 256 | 310 | 455 | 175 | 340 | 2450 | ||||
| 22S301K | 22A301K | 190 | 250 | 270 | 330 | 500 | 175 | 375 | 2200 | ||||
| 22S331K | 22A331K | 210 | 275 | 297 | 363 | 550 | 175 | AC 250 | 410 | 2050 | |||
| 22S361K | 22A361K | 230 | 300 | 324 | 396 | 595 | 175 | Telephone | 465 | 1850 | |||
| 22S391K | 22A391K | 250 | 320 | 362 | 440 | 650 | 175 | test | 520 | 1700 | |||
| 22S431K | 22A431K | 275 | 350 | 387 | 473 | 710 | 175 | AC 250 | 575 | 1600 | |||
| 22S471K | 22A471K | 300 | 385 | 423 | 517 | 775 | 175 | 630 | 1450 | ||||
| 22S511K | 22A511K | 320 | 415 | 459 | 561 | 845 | 175 | 665 | 1300 | ||||
| 22S561K | 22A561K | 350 | 460 | 504 | 616 | 925 | 175 | 720 | 1200 | ||||
| 22S621K | 22A621K | 385 | 505 | 558 | 682 | 1025 | 175 | 790 | 1100 | ||||
| 22S681K | 22A681K | 420 | 560 | 612 | 748 | 1120 | 175 | 790 | 1000 | ||||
| 22S751K | 22A751K | 460 | 615 | 675 | 825 | 1240 | 175 | 825 | 900 | ||||
| 22S781K | 22A781K | 485 | 640 | 702 | 858 | 1290 | 175 | 860 | 850 | ||||
| 22S821K | 22A821K | 510 | 670 | 738 | 902 | 1355 | 175 | AC 380 or G | 10 | 20 | 22 | 900 | 810 |
| 22S911K | 22A911K | 550 | 745 | 819 | 1001 | 1500 | 175 | 950 | 750 | ||||
| 22S951K | 22A951K | 575 | 780 | 855 | 1045 | 1570 | 175 | 950 | 700 | ||||
| 22S102K | 22A102K | 625 | 825 | 900 | 1100 | 1650 | 175 | 1040 | 660 | ||||
| 22S112K | 22A112K | 680 | 895 | 990 | 1210 | 1815 | 175 | 1130 | 605 | ||||
| 22S122K | 22A122K | 750 | 980 | 1150 | 1320 | 1980 | 175 | 1170 | 555 | ||||
| 22S142K | 22A142K | 850 | 1120 | 1315 | 1540 | 2310 | 175 | 8 | 16 | 20 | 1170 | 475 | |
| 22S162K | 22A162K | 1000 | 1320 | 1550 | 1760 | 2640 | 175 | 1300 | 415 | ||||
| 22S182K | 22A182K | 1100 | 1485 | 1700 | 1980 | 2970 | 175 | 1300 | 400 | ||||
Features
Provided in Disc Form For Unique Packing by high-energy disc varistors (MOVs) intended for special applications Customer
Solderable Electrode Finish Options
Pressure Contacts and/or Disc Stacking May Be Utilized
Available Edge Passivation Insulation
No Derating Up to 85ºC Ambient.
Applications
Transistor, diode or TRIAC semiconductor protection
Surge protection in consumer electronics
Surge protection in electronic home appliances, gas and petroleum appliances
Relay and electromagnetic valve surge absorption
Our Services & Strength
1. We provide the high quality, strong and sturdy products.
2. Products have passed ISO9001 international certification and meet the international standard.
3. Strict inspection before leaving the factory.
4. Products are easy to carry since the small volume and light weight.
Leading technology to provide customized products for customers.
5. On time delivery.
6. We provide free design and support OEM&ODM.
7. We could provide free sample.
8. A wide variety of products.
9.The materials of products are selected carefully and exquisite workmanship.
10. No smell and no fading.