Applications
									
									- Protection of telecommunications line and 
									equipment from lightning-induced surges 
									- ESD protection
									- EMP protection
									- Relays, solenoids, etc., switching surge 
									protection
									- Surge protection of fire alarms, smoke 
									detectors, etc.
									- Protection of electric circuits from 
									abnormal voltage conditions
 
								
									
									ZS Type (Bi-Polar SMD Type)
									
										
										Specifications
										
											
												| Item | Symbol | Rating | unit | Condition | 
											
												| Rated power | P | 1.0 | W | Glass-epoxy board mount | 
											
												| Allowable transient power | PP | 300 | W | 10/1000μs | 
											
												| 1200 | W | 1.2/50μs | 
											
												| 2000 | W | 8/20μs | 
											
												| Bonding temperature | Tj | -40〜150 | ℃ |  | 
											
												| Storage temperature range | Tstg | -40〜150 | ℃ |  | 
											
												| Rated voltage | Vs | Please see below. | 
											
												| Peak reverse voltage | VPRV | 200 | V | It=10μA | 
										
									 
									
									Dimensions
									
									
										
										Electrical Characteristics
										
											
												| Part No. | Item | Breakdown voltage | Rated voltage | Maximum Leakage current | Maximum clamping voltage & 
												maximum peak pulse current | Temperature coefficient (TYP) | Capacitance (TYP) | 
											
												| Symbol | VB | Vs | ILmax | Vcmax/Ipp |  | C | 
											
												| Condition | It=1mA | D.C. | Vs | 10/1000μs | 8/20μs | 25℃〜50℃ |  | 
											
												| Unit | V | V | μA | V | A | V | A | %/℃ | pF | 
											
												| ZS1012 | 12(10.8〜13.2) | 9.72 | 10 | 17.3 | 17.3 | 22.4 | 89.3 | 0.066 | 551 | 
											
												| ZS1015 | 15(13.5〜16.5) | 12.1 | 5 | 22.0 | 13.6 | 28.5 | 70.2 | 0.075 | 465 | 
											
												| ZS1018 | 18(16.2〜19.8) | 14.5 | 26.5 | 11.3 | 34.4 | 58.1 | 0.079 | 376 | 
											
												| ZS1022 | 22(19.8〜24.2) | 17.8 | 31.9 | 9.40 | 41.4 | 48.3 | 0.082 | 299 | 
											
												| ZS1027 | 27(24.3〜29.7) | 21.8 | 39.1 | 7.67 | 50.7 | 39.4 | 0.085 | 248 | 
											
												| ZS1033 | 33(29.7〜36.3) | 26.8 | 47.7 | 6.29 | 61.8 | 32.4 | 0.087 | 198 | 
											
												| ZS1039 | 39(35.1〜42.9) | 31.6 | 56.4 | 5.32 | 73.1 | 27.4 | 0.090 | 164 | 
											
												| ZS1047 | 47(42.3〜51.7) | 38.1 | 67.8 | 4.42 | 88.0 | 22.7 | 0.092 | 137 | 
										
										
										(Ta=25℃)
 
								 
								
									
									ZSD Type (Low Capacitance Type)
									
										
										Specifications
										
											
												| Item | Symbol | Rating | Unit | Condition | 
											
												| Rated power | P | 1.0 | W | Glass-epoxy board mount | 
											
												| Allowable transient power | PP | 300 | W | 10/1000μs | 
											
												| 1200 | W | 1.2/50μs | 
											
												| 2000 | W | 8/20μs | 
											
												| Bonding temperature | Tj | -40〜150 | ℃ |  | 
											
												| Storage temperature range | Tstg | -40〜150 | ℃ |  | 
											
												| Rated voltage | Vs | Please see below. | 
											
												| Peak reverse voltage | VPRV | 200 | V | It=10μA | 
										
									 
									
									Dimensions
									
									
										
										Electrical Characteristics
										
											
												| Part No. | Item | Breakdown voltage | Rated voltage | Maximum Leakage current | Maximum clamping voltage & 
												maximum peak pulse current | Temperature coefficient (TYP) | Capacitance (TYP) | 
											
												| Symbol | VB | Vs | ILmax | Vcmax/Ipp |  | C | 
											
												| Condition | It=1mA | D.C. | Vs | 10/1000μs | 8/20μs | 25℃〜50℃ |  | 
											
												| Unit | V | V | μA | V | A | V | A | %/℃ | pF | 
											
												| ZS1012U | 12(10.8〜13.2) | 9.72 | 10 | 17.3 | 17.3 | 22.4 | 89.3 | 0.066 | 1102 | 
											
												| ZS1015U | 15(13.5〜16.5) | 12.1 | 5 | 22.0 | 13.6 | 28.5 | 70.2 | 0.075 | 929 | 
											
												| ZS1018U | 18(16.2〜19.8) | 14.5 | 26.5 | 11.3 | 34.4 | 58.1 | 0.079 | 751 | 
											
												| ZS1022U | 22(19.8〜24.2) | 17.8 | 31.9 | 9.40 | 41.4 | 48.3 | 0.082 | 598 | 
											
												| ZS1027U | 27(24.3〜29.7) | 21.8 | 39.1 | 7.67 | 50.7 | 39.4 | 0.085 | 497 | 
											
												| ZS1033U | 33(29.7〜36.3) | 26.8 | 47.7 | 6.29 | 61.8 | 32.4 | 0.087 | 395 | 
											
												| ZS1039U | 39(35.1〜42.9) | 31.6 | 56.4 | 5.32 | 73.1 | 27.4 | 0.090 | 328 | 
											
												| ZS1047U | 47(42.3〜51.7) | 38.1 | 67.8 | 4.42 | 88.0 | 22.7 | 0.092 | 274 | 
										
										
										(Ta=25℃)
 
								 
								
									
									ZSD Type (Low Capacitance Type)
									
										
										Specifications
										
											
												| Item | Symbol | Rating | Unit | Condition | 
											
												| Rated power | P | 1.0 | W | Glass-epoxy board mount | 
											
												| Allowable transient power | PP | 300 | W | 10/1000μs | 
											
												| 1200 | W | 1.2/50μs | 
											
												| 2000 | W | 8/20μs | 
											
												| Bonding temperature | Tj | -40〜150 | ℃ |  | 
											
												| Storage temperature range | Tstg | -40〜150 | ℃ |  | 
											
												| Rated voltage | Vs | Please see below. | 
											
												| Peak reverse voltage | VPRV | 200 | V | It=10μA | 
										
									 
									
									Dimensions
									
									
										
										Electrical Characteristics
										
											
												| Part No. | Item | Breakdown voltage | Rated voltage | Maximum Leakage current | Maximum clamping voltage & 
												maximum peak pulse current | Temperature coefficient (TYP) | Capacitance (TYP) | 
											
												| Symbol | VB | Vs | ILmax | Vcmax/Ipp |  | C | 
											
												| Condition | It=1mA | D.C. | Vs | 10/1000μs | 8/20μs | 25℃〜50℃ |  | 
											
												| Unit | V | V | μA | V | A | V | A | %/℃ | pF | 
											
												| ZS1012D | 12(10.8〜13.2) | 9.72 | 10 | 17.3 | 17.3 | 22.4 | 89.3 | 0.066 | 30.2 | 
											
												| ZS1015D | 15(13.5〜16.5) | 12.1 | 5 | 22.0 | 13.6 | 28.5 | 70.2 | 0.075 | 29.1 | 
											
												| ZS1018D | 18(16.2〜19.8) | 14.5 | 26.5 | 11.3 | 34.4 | 58.1 | 0.079 | 28.2 | 
											
												| ZS1022D | 22(19.8〜24.2) | 17.8 | 31.9 | 9.40 | 41.4 | 48.3 | 0.082 | 27.3 | 
											
												| ZS1027D | 27(24.3〜29.7) | 21.8 | 39.1 | 7.67 | 50.7 | 39.4 | 0.085 | 26.4 | 
											
												| ZS1033D | 33(29.7〜36.3) | 26.8 | 47.7 | 6.29 | 61.8 | 32.4 | 0.087 | 25.5 | 
											
												| ZS1039D | 39(35.1〜42.9) | 31.6 | 56.4 | 5.32 | 73.1 | 27.4 | 0.090 | 24.8 | 
											
												| ZS1047D | 47(42.3〜51.7) | 38.1 | 67.8 | 4.42 | 88.0 | 22.7 | 0.092 | 24.0 | 
										
										
										(Ta=25℃