| 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 | 
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|   | 117E4AUDIO XFMR 3.2 / 70V CHAS MNT Hammond Manufacturing | 3 |  |   Datasheet | 117 | Bulk | Active | - | 3.2 | 70V | - | - | Sound Distribution | 100Hz ~ 9kHz | 1dB | - | 2dB | - | 4W | - | - | Chassis Mount | 2.810" L x 1.500" W (71.37mm x 38.10mm) | 1.690" (42.93mm) | Solder Lug | 
|   | 104LAUDIO XFMR 25K / 600CT TH Hammond Manufacturing | 2 |  |   Datasheet | 104 | Bulk | Active | - | 25k | 600CT | 1.89kOhm | 50Ohm | Miniature Epoxy Potted | 200Hz | -1dB | 200V | 1dB | - | 35mW | - | - | Through Hole | 0.860" L x 0.710" W (21.84mm x 18.03mm) | 0.750" (19.05mm) | PC Pin | 
|   | 144FAUDIO XFMR 500CT / 3.2 CHAS MNT Hammond Manufacturing | 2 |  |   Datasheet | 144 | Bulk | Active | - | 500CT | 3.2 | 27Ohm | 330mOhm | Economical Open Type | 150Hz ~ 15kHz | ±1dB | - | - | - | 150mW | - | - | Chassis Mount | 1.000" L x 0.690" W (25.40mm x 17.53mm) | 0.690" (17.53mm) | Wire Leads | 
|   | 149CAUDIO XFMR 160 / 80, 20/20 TH Hammond Manufacturing | 4 |  |   Datasheet | 149 | Bulk | Active | - | 160 | 80, 20/20 | 24Ohm | 7Ohm | Economical Open Type | 200Hz ~ 15kHz | ±1dB | - | 0.5dB | - | 200mW | - | - | Through Hole | 1.060" L x 0.820" W (26.92mm x 20.83mm) | 0.820" (20.83mm) | PC Pin | 
|   | 148HAUDIO XFMR 3K / 1K, 250/250 TH Hammond Manufacturing | 2 |  |   Datasheet | 148 | Bulk | Active | - | 3k | 1k, 250/250 | 480Ohm | 107Ohm | Economical Open Type | 200Hz ~ 15kHz | ±1dB | - | 0.5dB | - | 75mW | - | - | Through Hole | 0.820" L x 0.680" W (20.83mm x 17.27mm) | 0.690" (17.53mm) | PC Pin | 
|   | 109JAUDIO XFMR 1KCT / 600CT TH Hammond Manufacturing | 2 |  |   Datasheet | 109 | Bulk | Active | 1.29:1 | 1kCT | 600CT | 64Ohm | 51.5Ohm | Miniature Epoxy Potted | 300Hz ~ 50kHz | ±1.5dB | 100VRMS | - | - | 2W | - | - | Through Hole | 1.315" L x 0.930" W (33.40mm x 23.62mm) | 0.920" (23.37mm) | PC Pin | 
|   | 107PAUDIO XFMR 10KCT / 1.5KCT TH Hammond Manufacturing | 0 |  |   Datasheet | 107 | Bulk | Active | 2.58:1 | 10kCT | 1.5kCT | 700Ohm | 122Ohm | Miniature Epoxy Potted | 300Hz ~ 50kHz | ±1.5dB | 100VRMS | - | - | 150mW | - | - | Through Hole | 0.630" L x 0.586" W (16.00mm x 14.88mm) | 0.630" (16.00mm) | PC Pin | 
|   | 104HAUDIO XFMR 10K / 2KCT TH Hammond Manufacturing | 1 |  |   Datasheet | 104 | Bulk | Active | - | 10k | 2kCT | 598.7Ohm | 79.19Ohm | Miniature Epoxy Potted | 200Hz | -1dB | 250V | 1dB | - | 35mW | - | - | Through Hole | 0.860" L x 0.710" W (21.84mm x 18.03mm) | 0.750" (19.05mm) | PC Pin | 
|   | 106HAUDIO XFMR 4K / 2.6KCT TH Hammond Manufacturing | 3 |  |   Datasheet | 106 | Bulk | Active | - | 4k | 2.6kCT | 340Ohm | 100Ohm | Miniature Epoxy Potted | 215Hz | -1dB | 200V | 1dB | - | 150mW | - | - | Through Hole | 1.080" L x 0.880" W (27.43mm x 22.35mm) | 0.950" (24.13mm) | PC Pin | 
|   | 117E16AUDIO XFMR 3.2 / 70V CHAS MNT Hammond Manufacturing | 3 |  |   Datasheet | 117 | Bulk | Active | - | 3.2 | 70V | - | - | Sound Distribution | 100Hz ~ 9kHz | 1dB | - | 2dB | - | 16W | - | - | Chassis Mount | 3.690" L x 2.000" W (93.73mm x 50.80mm) | 2.310" (58.67mm) | Solder Lug |