{"id":396823,"date":"2024-10-20T04:26:42","date_gmt":"2024-10-20T04:26:42","guid":{"rendered":"https:\/\/pdfstandards.shop\/product\/uncategorized\/ieee-c62-33-1982-2\/"},"modified":"2024-10-26T08:14:14","modified_gmt":"2024-10-26T08:14:14","slug":"ieee-c62-33-1982-2","status":"publish","type":"product","link":"https:\/\/pdfstandards.shop\/product\/publishers\/ieee\/ieee-c62-33-1982-2\/","title":{"rendered":"IEEE C62.33-1982"},"content":{"rendered":"

New IEEE Standard – Superseded. Varistors for surge-protective applications on systems with dc to 420 Hz frequency and voltages equal to or less than 1000 V rms, or 1200 V dc, are covered. Definitions, service conditions, and a series of test criteria for determining the electrical characteristics of the varistors are provided. The tests are intended as design tests and provide a means of comparing various surge-protective devices.<\/p>\n

PDF Catalog<\/h4>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
PDF Pages<\/th>\nPDF Title<\/th>\n<\/tr>\n
1<\/td>\nTitle page <\/td>\n<\/tr>\n
2<\/td>\nIntroduction
Participants <\/td>\n<\/tr>\n
5<\/td>\nCONTENTS <\/td>\n<\/tr>\n
7<\/td>\n1. Scope <\/td>\n<\/tr>\n
8<\/td>\n2. A Description of Terms and Letter Symbols Used in Defining Varistors
2.1 Rated Parameter Values
2.2 Descriptions <\/td>\n<\/tr>\n
9<\/td>\n2.3 Basic Descriptions <\/td>\n<\/tr>\n
11<\/td>\n3. Service Conditions
3.1 Normal Service Conditions <\/td>\n<\/tr>\n
12<\/td>\n3.2 Unusual Service Conditions <\/td>\n<\/tr>\n
13<\/td>\n4. Standard Design Test Procedure
4.1 Standard Design Test Criteria
4.2 Statistical Procedures
4.3 Test Conditions
4.4 Clamping Voltage Test (Vc) (See Fig 3) <\/td>\n<\/tr>\n
14<\/td>\n4.5 Rated Peak Single Pulse Transient Current Test (Itm) (See Fig 4)
4.6 Lifetime Rated Pulse Currents Tests (See Fig 3) <\/td>\n<\/tr>\n
16<\/td>\n4.7 Rated RMS Voltage Test [Vm(ac)] (See Fig 5), Rated DC Voltage Tests [Vm(dc)] (See Fig 5)
4.8 DC Standby Current Test (ID) (See Fig 6)
4.9 Nominal Varistor Voltage Test [VN(dc) and VN(ac)] (See Fig 6) <\/td>\n<\/tr>\n
17<\/td>\n4.10 Rated Recurrent Peak Voltage Test (Vpm) (See Fig 5) <\/td>\n<\/tr>\n
18<\/td>\n4.11 Capacitance Test
4.12 AC Standby Power (Pd) (See Fig 7)
5. Failure Modes
5.1 Short-Circuit Failure Mode
5.2 Degradation Failure Mode <\/td>\n<\/tr>\n
19<\/td>\n5.3 High Clamping Voltage Failure Mode
5.4 “Fail-Safe” Operation
6. Other Parameters
6.1 Rated Transient Energy <\/td>\n<\/tr>\n
20<\/td>\n6.2 Rated Transient Average Power Dissipation [Pt(A V)m]
6.3 Voltage Overshoot (Vos) (See Fig 8) <\/td>\n<\/tr>\n
21<\/td>\n6.4 Response Time, Overshoot Duration (See Fig 8)
7. Bibliography <\/td>\n<\/tr>\n<\/table>\n","protected":false},"excerpt":{"rendered":"

IEEE Standard Test Specifications for Varistor Surge-Protective Devices<\/b><\/p>\n\n\n\n\n
Published By<\/td>\nPublication Date<\/td>\nNumber of Pages<\/td>\n<\/tr>\n
IEEE<\/b><\/a><\/td>\n1982<\/td>\n21<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"featured_media":396831,"template":"","meta":{"rank_math_lock_modified_date":false,"ep_exclude_from_search":false},"product_cat":[2644],"product_tag":[],"class_list":{"0":"post-396823","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-ieee","8":"first","9":"instock","10":"sold-individually","11":"shipping-taxable","12":"purchasable","13":"product-type-simple"},"_links":{"self":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product\/396823","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/types\/product"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media\/396831"}],"wp:attachment":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media?parent=396823"}],"wp:term":[{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_cat?post=396823"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_tag?post=396823"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}