| Photo | Mfr. Part # | Availability | Quantity | Datasheet | Package / Case | Series | Packaging | Product Status | Maximum AC Volts | Maximum DC Volts | Varistor Voltage (Min) | Varistor Voltage (Typ) | Varistor Voltage (Max) | Current - Surge | Energy | Number of Circuits | Capacitance @ Frequency | Operating Temperature | Features | Grade | Qualification | Mounting Type | 
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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                 | 
				
                    V391HB34VARISTOR 604V 40KA SQUARE 34MM Littelfuse Inc.  |  
                3,630 | 
                
                     | 
                  
                  
                    
                       Datasheet  | 	
                
                Square 34mm, Formed Tabs | HB34 | Bulk | Active | 385 V | 510 V | 545 V | 604 V | 663 V | 40 kA | 550J | 1 | 3500 pF @ 1 MHz | -55°C ~ 85°C (TA) | - | - | - | Through Hole | 
                 
                     
                 
                
                 | 
				
                    V481HG34VARISTOR 750V 40KA SQUARE 34MM Littelfuse Inc.  |  
                9,382 | 
                
                     | 
                  
                  
                    
                       Datasheet  | 	
                
                Square 34mm, Formed Tabs | HG34 | Bulk | Active | 480 V | 640 V | 675 V | 750 V | 825 V | 40 kA | 650J | 1 | 2700 pF @ 1 MHz | -55°C ~ 85°C (TA) | - | - | - | Bolt Mount | 
                 
                     
                 
                
                 | 
				
                    V481HF34VARISTOR 750V 40KA SQUARE 34MM Littelfuse Inc.  |  
                2,021 | 
                
                     | 
                  
                  
                    
                       Datasheet  | 	
                
                Square 34mm, Tabs | HF34 | Bulk | Active | 480 V | 640 V | 675 V | 750 V | 825 V | 40 kA | 650J | 1 | 2700 pF @ 1 MHz | -55°C ~ 85°C (TA) | - | - | - | Bolt Mount | 
                 
                     
                 
                
                 | 
				
                    V351HG34VARISTOR 549.5V 40KA SQUARE 34MM Littelfuse Inc.  |  
                3,958 | 
                
                     | 
                  
                  
                    
                       Datasheet  | 	
                
                Square 34mm, Formed Tabs | HG34 | Bulk | Active | 350 V | 460 V | 495 V | 549.5 V | 604 V | 40 kA | 500J | 1 | 3600 pF @ 1 MHz | -55°C ~ 85°C (TA) | - | - | - | Bolt Mount | 
                 
                     
                 
                
                 | 
				
                    V331HG34VARISTOR 518.5V 40KA SQUARE 34MM Littelfuse Inc.  |  
                3,730 | 
                
                     | 
                  
                  
                    
                       Datasheet  | 	
                
                Square 34mm, Formed Tabs | HG34 | Bulk | Active | 330 V | 435 V | 467 V | 518.5 V | 570 V | 40 kA | 475J | 1 | 3750 pF @ 1 MHz | -55°C ~ 85°C (TA) | - | - | - | Bolt Mount | 
                 
                     
                 
                
                 | 
				
                    V321HG34VARISTOR 510V 40KA SQUARE 34MM Littelfuse Inc.  |  
                4,774 | 
                
                     | 
                  
                  
                    
                       Datasheet  | 	
                
                Square 34mm, Formed Tabs | HG34 | Bulk | Active | 320 V | 420 V | 459 V | 510 V | 561 V | 40 kA | 460J | 1 | 3800 pF @ 1 MHz | -55°C ~ 85°C (TA) | - | - | - | Bolt Mount | 
                 
                     
                 
                
                 | 
				
                    V351HF34VARISTOR 549.5V 40KA SQUARE 34MM Littelfuse Inc.  |  
                2,682 | 
                
                     | 
                  
                  
                    
                       Datasheet  | 	
                
                Square 34mm, Tabs | HF34 | Bulk | Active | 350 V | 460 V | 495 V | 549.5 V | 604 V | 40 kA | 500J | 1 | 3600 pF @ 1 MHz | -55°C ~ 85°C (TA) | - | - | - | Bolt Mount | 
                 
                     
                 
                
                 | 
				
                    V251HF34VARISTOR 390V 40KA SQUARE 34MM Littelfuse Inc.  |  
                5,087 | 
                
                     | 
                  
                  
                    
                       Datasheet  | 	
                
                Square 34mm, Tabs | HF34 | Bulk | Active | 250 V | 330 V | 351 V | 390 V | 429 V | 40 kA | 370J | 1 | 5000 pF @ 1 MHz | -55°C ~ 85°C (TA) | - | - | - | Bolt Mount | 
                 
                     
                 
                
                 | 
				
                    V271HG34VARISTOR 430V 40KA SQUARE 34MM Littelfuse Inc.  |  
                7,392 | 
                
                     | 
                  
                  
                    
                       Datasheet  | 	
                
                Square 34mm, Formed Tabs | HG34 | Bulk | Active | 275 V | 370 V | 387 V | 430 V | 473 V | 40 kA | 400J | 1 | 4500 pF @ 1 MHz | -55°C ~ 85°C (TA) | - | - | - | Bolt Mount | 
                 
                     
                 
                
                 | 
				
                    V391HG34VARISTOR 604V 40KA SQUARE 34MM Littelfuse Inc.  |  
                3,699 | 
                
                     | 
                  
                  
                    
                       Datasheet  | 	
                
                Square 34mm, Formed Tabs | HG34 | Bulk | Active | 385 V | 510 V | 545 V | 604 V | 663 V | 40 kA | 550J | 1 | 3500 pF @ 1 MHz | -55°C ~ 85°C (TA) | - | - | - | Bolt Mount |