| Photo | Mfr. Part # | Availability | Quantity | Datasheet | Series | Packaging | Product Status | Turns Ratio - Primary:Secondary | Impedance - Primary (Ohms) | Impedance - Secondary (Ohms) | DC Resistance (DCR) - Primary | DC Resistance (DCR) - Secondary | Transformer Type | Frequency Range | Frequency Response | Voltage - Isolation | Insertion Loss | Return Loss | Power Level | Operating Temperature | Approval Agency | Mounting Type | Size / Dimension | Height - Seated (Max) | Termination Style | 
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
                 
                   
                
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                    MET-59-TAUDIO XFMR 600 / 150/150 TH  |  
                271 | 
                
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                       Datasheet  | 	
	
                
                MET | Bulk | Active | 2:1:1 | 600 | 150/150 | 70Ohm | 95Ohm | Data/Voice Coupling | 300Hz ~ 100kHz | ±2dB | 1000VRMS @ 1 Second | - | - | 50mW | -20°C ~ 85°C | - | Through Hole | 0.409" L x 0.310" W (10.40mm x 7.87mm) | 0.465" (11.80mm) | PC Pin | 
                 
                   
                
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                    MET-17AUDIO XFMR 10KCT / 500CT TH  |  
                366 | 
                
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                       Datasheet  | 	
	
                
                MET | Tube | Active | 4.47:1 | 10kCT | 500CT | 1kOhm | 80Ohm | Data/Voice Coupling | 300Hz ~ 100kHz | ±2dB | 500VRMS @ 30 Seconds | - | - | 40mW | -20°C ~ 85°C | - | Through Hole | 0.409" L x 0.310" W (10.40mm x 7.87mm) | 0.465" (11.80mm) | PC Pin | 
                 
                   
                
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                    SP-4AUDIO XFMR 200KCT / 1KCT TH  |  
                103 | 
                
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                       Datasheet  | 	
	
                
                Red-Spec | Bulk | Active | 14.1:1 | 200kCT | 1kCT | 5.3kOhm | 100Ohm | Audio Coupling | 300Hz ~ 100kHz | ±2dB | 1000VRMS @ 1 Second | - | - | 10mW | -40°C ~ 85°C | - | Through Hole | 0.410" L x 0.310" W (10.41mm x 7.87mm) | 0.465" (11.80mm) | PC Pin | 
                 
                   
                
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                    SP-29AUDIO XFMR 10KCT / 500CT TH  |  
                113 | 
                
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                       Datasheet  | 	
	
                
                Red-Spec | Bulk | Active | 4.47:1 | 10kCT | 500CT | 1.05kOhm | 80Ohm | Audio Coupling | 300Hz ~ 100kHz | ±2dB | 1000VRMS @ 1 Second | - | - | 50mW | -40°C ~ 85°C | - | Through Hole | 0.410" L x 0.310" W (10.41mm x 7.87mm) | 0.465" (11.80mm) | PC Pin | 
                 
                   
                
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                    149TAUDIO XFMR 600CT / 600CT TH  |  
                278 | 
                
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                       Datasheet  | 	
	
                
                149 | Bulk | Active | - | 600CT | 600CT | 53Ohm | 70Ohm | Economical Open Type | 200Hz ~ 15kHz | ±1dB | - | 0.5dB | - | 1000mW | - | - | Through Hole | 1.060" L x 0.820" W (26.92mm x 20.83mm) | 0.820" (20.83mm) | PC Pin | 
                 
                   
                
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                    MET-50AUDIO XFMR 10K / 125 TH  |  
                1,369 | 
                
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                       Datasheet  | 	
	
                
                MET | Tray | Active | 8.62:1 | 10k | 125 | 1.1kOhm | 28Ohm | Data/Voice Coupling | 300Hz ~ 20kHz | ±3dB | 500VRMS @ 30 Seconds | - | - | 10mW Max @ 300Hz | -20°C ~ 85°C | - | Through Hole | 0.409" L x 0.310" W (10.40mm x 7.87mm) | 0.465" (11.80mm) | PC Pin | 
                 
                   
                
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                    125AXFMR 1.2K-25K / 1.5-15 CHAS MNT  |  
                412 | 
                
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                       Datasheet  | 	
	
                
                125 | Bulk | Active | - | 1.2k ~ 25k | 1.5 ~ 15 | - | - | General Purpose | 150Hz ~ 15kHz | ±1dB | - | - | - | 3W | - | - | Chassis Mount | 2.060" L x 1.250" W (52.32mm x 31.75mm) | 1.190" (30.23mm) | Wire Leads | 
                 
                   
                
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                    #458PT-1566=P3AUDIO XFMR SMD  |  
                137 | 
                
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                       Datasheet  | 	
	
                
                - | Tape & Reel (TR) | Active | - | - | - | - | - | - | - | - | - | - | - | - | - | - | Surface Mount | 0.272" L x 0.150" W (6.90mm x 3.80mm) | 0.173" (4.40mm) | Gull Wing | 
                 
                   
                
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                    TY-400PAUDIO XFMR 600 / 600 TH  |  
                6,393 | 
                
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                       Datasheet  | 	
	
                
                TY | Bulk | Active | 1:1.07 | 600 | 600 | 76.5Ohm | 108Ohm | Data/Voice Coupling | 300Hz ~ 3.5kHz | ±0.5dB | 1500VAC | 1.75dB Typ | 15dB Typ | -45dB ~ 7dB | -20°C ~ 85°C | - | Through Hole | 0.820" L x 0.715" W (20.83mm x 18.16mm) | 0.750" (19.05mm) | PC Pin | 
                 
                   
                
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                    TY-303PAUDIO XFMR 4K / 600 TH  |  
                430 | 
                
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                       Datasheet  | 	
	
                
                TY | Bulk | Active | 2.43:1 | 4k | 600 | 260Ohm | 52Ohm | Data/Voice Coupling | 300Hz ~ 3.5kHz | ±0.5dB | 1500VAC | 1dB Typ | 26dB Typ | -45dB ~ 7dB | -20°C ~ 85°C | - | Through Hole | 0.812" L x 0.715" W (20.62mm x 18.16mm) | 0.740" (18.80mm) | PC Pin | 
                 
                   
                
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                    TY-300PAUDIO XFMR 600 / 600/600 TH  |  
                170 | 
                
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                       Datasheet  | 	
	
                
                TY | Bulk | Active | 1:2.48 | 600 | 600/600 | 172Ohm | 66Ohm, 66Ohm | Data/Voice Coupling | 300Hz ~ 3.5kHz | - | 1500VAC | 0.8dB Typ | 30dB Typ | -45dB ~ 7dB | -20°C ~ 85°C | - | Through Hole | 0.812" L x 0.700" W (20.62mm x 17.78mm) | 0.740" (18.80mm) | PC Pin | 
                 
                   
                
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                    MET-28-TAUDIO XFMR 1K / 50 TH  |  
                107 | 
                
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                       Datasheet  | 	
	
                
                MET | Bulk | Active | 4.47:1 | 1k | 50 | 110Ohm | 8Ohm | Data/Voice Coupling | 300Hz ~ 100kHz | ±2dB | 1000VRMS @ 1 Second | - | - | 50mW | -20°C ~ 85°C | - | Through Hole | 0.409" L x 0.310" W (10.40mm x 7.87mm) | 0.465" (11.80mm) | PC Pin | 
                 
                   
                
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                    MET-59AUDIO XFMR 600 / 600 150/150 TH  |  
                817 | 
                
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                       Datasheet  | 	
	
                
                MET | Tube | Active | 2:1:1 | 600 | 600, 150/150 | 70Ohm | 95Ohm | Data/Voice Coupling | 300Hz ~ 100kHz | ±2dB | 1000VRMS @ 30 Seconds | - | - | 50mW | -20°C ~ 85°C | - | Through Hole | 0.409" L x 0.310" W (10.40mm x 7.87mm) | 0.465" (11.80mm) | PC Pin | 
                 
                   
                
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                    MET-28AUDIO XFMR 1K / 50 TH  |  
                334 | 
                
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                       Datasheet  | 	
	
                
                MET | Tube | Active | 4.47:1 | 1k | 50 | 110Ohm | 8Ohm | Data/Voice Coupling | 300Hz ~ 100kHz | ±2dB | 500VRMS @ 30 Seconds | - | - | 50mW | -20°C ~ 85°C | - | Through Hole | 0.409" L x 0.310" W (10.40mm x 7.87mm) | 0.465" (11.80mm) | PC Pin | 
                 
                   
                
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                    MET-01-TAUDIO XFMR 200KCT / 1KCT TH  |  
                164 | 
                
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                       Datasheet  | 	
	
                
                MET | Bulk | Active | 14.1:1 | 200kCT | 1kCT | 5.3kOhm | 120Ohm | Data/Voice Coupling | 300Hz ~ 100kHz | ±2dB | 500VRMS @ 1 Second | - | - | 10mW | -20°C ~ 85°C | - | Through Hole | 0.409" L x 0.310" W (10.40mm x 7.87mm) | 0.465" (11.80mm) | PC Pin | 
                 
                   
                
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                    MET-01AUDIO XFMR 200KCT / 1KCT TH  |  
                1,343 | 
                
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                       Datasheet  | 	
	
                
                MET | Tube | Active | 14.1:1 | 200kCT | 1kCT | 5.3kOhm | 120Ohm | Data/Voice Coupling | 300Hz ~ 100kHz | ±2dB | 500VRMS @ 30 Seconds | - | - | 10mW Max @ 300Hz | -20°C ~ 85°C | - | Through Hole | 0.409" L x 0.310" W (10.40mm x 7.87mm) | 0.465" (11.80mm) | PC Pin | 
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                    SP-52AUDIO XFMR 1.5KCT / 600 TH  |  
                805 | 
                
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                       Datasheet  | 	
	
                
                Red-Spec | Bulk | Active | 1.58:1 | 1.5kCT | 600 | 168Ohm | 92Ohm | Audio Coupling | 300Hz ~ 100kHz | ±2dB | 1000VRMS @ 1 Second | - | - | 50mW | -40°C ~ 85°C | - | Through Hole | 0.410" L x 0.310" W (10.41mm x 7.87mm) | 0.465" (11.80mm) | PC Pin | 
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                    SP-49AUDIO XFMR 300CT / 600 TH  |  
                459 | 
                
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                       Datasheet  | 	
	
                
                Red-Spec | Bulk | Active | 1:1.42 | 300CT | 600 | 41Ohm | 98Ohm | Audio Coupling | 300Hz ~ 100kHz | ±2dB | 1000VRMS @ 1 Second | - | - | 50mW | -40°C ~ 85°C | - | Through Hole | 0.410" L x 0.310" W (10.41mm x 7.87mm) | 0.465" (11.80mm) | PC Pin | 
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                    SP-68XFMR 10K / 10K 2.5K/2.5K TH  |  
                201 | 
                
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                       Datasheet  | 	
	
                
                Red-Spec | Bulk | Active | 2.1:1 | 10k | 10k, 2.5k/2.5k | 1kOhm | 565/650Ohm | Audio Coupling | 300Hz ~ 100kHz | ±2dB | 1000VRMS @ 1 Second | - | - | 50mW | -40°C ~ 85°C | - | Through Hole | 0.410" L x 0.310" W (10.41mm x 7.87mm) | 0.465" (11.80mm) | PC Pin | 
| 
                 
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                    MET-50-TAUDIO XFMR 10K / 125 TH  |  
                121 | 
                
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                       Datasheet  | 	
	
                
                MET | Bulk | Active | 8.62:1 | 10k | 125 | 1.1kOhm | 28Ohm | Data/Voice Coupling | 300Hz ~ 100kHz | ±2dB | 1000VRMS @ 1 Second | - | - | 10mW | -20°C ~ 85°C | - | Through Hole | 0.409" L x 0.310" W (10.40mm x 7.87mm) | 0.465" (11.80mm) | PC Pin |