- Series
- Mounting Type
- Frequency Range
- Frequency Response
- Termination Style
- Packaging
- Transformer Type
- Size / Dimension
- Part Status
- Height Seated (Max)
- Termination
- Mount
Attribute column
Manufacturer
Hammond Manufacturing Audio Transformers
Product | Inventory | Pricing(USD) | Quantity | Datasheet | RoHS | Factory Lead Time | Mount | Mounting Type | Package / Case | Weight | Packaging | Published | Series | Size / Dimension | Pbfree Code | Part Status | Moisture Sensitivity Level (MSL) | Termination | ECCN Code | Power Rating | Shielding | Frequency | Termination Style | Voltage - Isolation | DC Resistance (DCR) | Current | Frequency Range | Insertion Loss | Insertion Loss (dB) | Transformer Type | Turns Ratio - Primary:Secondary | Return Loss | Impedance - Primary (Ω) | Frequency Response | Impedance - Secondary (Ω) | DC Resistance (DCR) - Primary | DC Resistance (DCR) - Secondary | Power Level | Height | Height Seated (Max) | RoHS Status | Lead Free |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 1750K Hammond Manufacturing | 2509 |
| Datasheet | 4 Weeks | Chassis Mount | Chassis Mount | - | 0.625lb 283.5g | Bulk | - | 1750 | 4.063Lx3.125W 103.20mmx79.38mm | - | Active | Not Applicable | Wire Leads | - | - | - | - | Wire Leads | - | - | - | 70Hz~15kHz | - | 1 dB | Push-Pull Audiophile, Ultra-Linear - Tube Output | 44.67:1 | - | 4kCT | ±1dB | 2 | 43.16Ohm 46.28Ohm | 180mOhm | 50W | - | 3.516 89.31mm | ROHS3 Compliant | - | ||
 1650KA Hammond Manufacturing | 2785 |
| Datasheet | 4 Weeks | Chassis Mount | Chassis Mount | - | 7lbs 3.2kg | Bulk | 2013 | A | 4.000Lx3.130W 101.60mmx79.50mm | - | Active | 1 (Unlimited) | Wire Leads | - | - | - | - | Wire Leads | 2000V @ 1 Second | - | 318mA | 30Hz~30kHz | - | 1 dB | Push-Pull Audiophile, Ultra-Linear - Tube Output | - | - | 3.4kCT | ±1dB | 4 8 16 | 32.74Ohm 36.71Ohm | 306mOhm 432mOhm 540mOhm | 50W | - | 3.810 96.77mm | ROHS3 Compliant | - | ||
 146J Hammond Manufacturing | 25 |
| Datasheet | 4 Weeks | Chassis Mount | Chassis Mount | - | 0.031lb 14.06g | Bulk | 2000 | 146 | 1.630Lx0.880W 41.40mmx22.35mm | - | Active | Not Applicable | Wire Leads | EAR99 | - | Unshielded | - | Wire Leads | - | - | 4mA | 150Hz~15kHz | - | 1 dB | Economical Open Type | - | - | 1kCT | ±1dB | 3.2 | 56Ohm | 300mOhm | 700mW | 20.574mm | 0.810 20.57mm | ROHS3 Compliant | - | ||
 109H Hammond Manufacturing | 41 |
| Datasheet | 4 Weeks | PCB, Through Hole | Through Hole | - | 99.999994g | Bulk | - | 109 | 1.315Lx0.930W 33.40mmx23.62mm | - | Active | Not Applicable | PC Pin | EAR99 | 2W | Unshielded | 50kHz | PC Pin | 100VRMS | - | - | 300Hz~50kHz | - | 1.5 dB | Miniature Epoxy Potted | 1:1 | - | 600CT | ±1.5dB | - | 40.38Ohm | 52.32Ohm | - | 23.368mm | 0.920 23.37mm | ROHS3 Compliant | - | ||
109L Hammond Manufacturing | 41 |
| Datasheet | 4 Weeks | Through Hole | Through Hole | - | - | Bulk | - | 109 | 1.315Lx0.930W 33.40mmx23.62mm | - | Active | Not Applicable | PC Pin | EAR99 | 2W | Unshielded | - | PC Pin | 100VRMS | 700Ohm | - | 300Hz~50kHz | - | 1.5 dB | Miniature Epoxy Potted | 55.3:1 | - | 10kCT | ±1.5dB | 3.2CT | 300Ohm | 200mOhm | - | 23.368mm | 0.920 23.37mm | ROHS3 Compliant | - | ||
 107E Hammond Manufacturing | 42 |
| Datasheet | 4 Weeks | Through Hole | Through Hole | 600 | - | Bulk | - | 107 | 0.630Lx0.586W 16.00mmx14.88mm | - | Active | Not Applicable | PC Pin | EAR99 | 150mW | Unshielded | 300Hz | PC Pin | 100VRMS | - | - | 300Hz~50kHz | - | 1.5 dB | Miniature Epoxy Potted | 13.68:1 | - | 600CT | ±1.5dB | 3.2 | 60Ohm | 600mOhm | - | 16mm | 0.630 16.00mm | ROHS3 Compliant | - | ||
 1760W Hammond Manufacturing | 2869 |
| Datasheet | 4 Weeks | Chassis Mount | Chassis Mount | - | 0.625lb 283.5g | Bulk | - | 1760 | 4.050Lx3.465W 102.87mmx88.01mm | - | Active | Not Applicable | Wire Leads | - | - | - | - | Wire Leads | - | - | - | 70Hz~15kHz | - | 1 dB | Push-Pull Audiophile, Ultra-Linear - Tube Output | 22.35:1 | - | 2kCT | ±1dB | 4 8 16 | 11.4Ohm | 100mOhm | 100W | 88.9mm | 3.563 90.50mm | ROHS3 Compliant | - | ||
107R Hammond Manufacturing | 42 |
| Datasheet | 4 Weeks | Through Hole | Through Hole | Aluminum | 0.02lb 9.07g | Bulk | - | 107 | 0.630Lx0.586W 16.00mmx14.88mm | - | Active | Not Applicable | PC Pin | EAR99 | 150mW | Unshielded | - | PC Pin | 100VRMS | - | - | 300Hz~50kHz | - | 1.5 dB | Miniature Epoxy Potted | 1.58:1 | - | 10kCT | ±1.5dB | 4kCT | 720Ohm | 350Ohm | - | 16.002mm | 0.630 16.00mm | ROHS3 Compliant | - | ||
109K Hammond Manufacturing | 32 |
| Datasheet | 4 Weeks | Through Hole | Through Hole | 600 | - | Bulk | - | 109 | 1.315Lx0.930W 33.40mmx23.62mm | - | Active | Not Applicable | PC Pin | EAR99 | - | Unshielded | - | PC Pin | 100VRMS | - | - | 300Hz~50kHz | - | 1.5 dB | Miniature Epoxy Potted | 1.58:1 | - | 1.5kCT | ±1.5dB | 600CT | 102Ohm | 60Ohm | 2W | 23.4mm | 0.920 23.37mm | ROHS3 Compliant | - | ||
107J Hammond Manufacturing | 47 |
| Datasheet | 4 Weeks | Through Hole | Through Hole | 600 | 0.02lb 9.07g | Bulk | - | 107 | 0.630Lx0.586W 16.00mmx14.88mm | - | Active | Not Applicable | PC Pin | EAR99 | - | Unshielded | - | PC Pin | 100VRMS | - | - | 300Hz~50kHz | - | 1.5 dB | Miniature Epoxy Potted | 1.29:1 | - | 1kCT | ±1.5dB | 600CT | 92Ohm | 70Ohm | 150mW | 16mm | 0.630 16.00mm | ROHS3 Compliant | - | ||
109G Hammond Manufacturing | 41 |
| Datasheet | 4 Weeks | Through Hole | Through Hole | 600 | 0.1lb 45.36g | Bulk | - | 109 | 1.315Lx0.930W 33.40mmx23.62mm | - | Active | Not Applicable | PC Pin | EAR99 | - | Unshielded | - | PC Pin | 100VRMS | - | - | 300Hz~50kHz | - | 1.5 dB | Miniature Epoxy Potted | 1.55:1 | - | 600CT | ±1.5dB | 250CT | 40Ohm | 24Ohm | 2W | 23.4mm | 0.920 23.37mm | ROHS3 Compliant | - | ||
 140MEX Hammond Manufacturing | In Stock | - | - | 4 Weeks | Chassis Mount | Chassis Mount | - | 124.999993g | Bulk | 2012 | 140EX | 1.250Dia 31.75mm | yes | Active | - | Screw | - | 5mW | Shielded | - | Screw Terminal | 500Vrms | - | - | 20Hz~20kHz | 1.2dB Typ | - | GENERAL PURPOSE AUDIO TRANSFORMER | 8.13:1 | 30dB Typ | 100k | ±1dB | 1.5k | 5.43kOhm | 159Ohm | 10dB | 25.4mm | 1.000 25.40mm | ROHS3 Compliant | Lead Free | ||
 1140-MN-B Hammond Manufacturing | 41 |
| Datasheet | 4 Weeks | - | Chassis Mount | - | - | - | 2017 | 1140 | - | - | Active | Not Applicable | - | - | - | - | - | Screw Terminal | - | - | - | 20Hz~20kHz | - | - | Impedance Matching | 1:5 | - | 150 | ±0.35dB | 3.8k | - | - | - | - | - | ROHS3 Compliant | - | ||
1760J Hammond Manufacturing | 32 |
| Datasheet | 4 Weeks | Chassis Mount | Chassis Mount | - | 0.625lb 283.5g | Bulk | 2009 | 1760 | 4.076Lx3.170W 103.53mmx80.52mm | - | Active | Not Applicable | Wire Leads | - | - | - | - | Wire Leads | - | - | - | 70Hz~15kHz | - | 1 dB | Push-Pull Audiophile, Ultra-Linear - Tube Output | 31.11:1 | - | 4kCT | ±1dB | 4 8 16 | 185Ohm | 400mOhm | 35W | 87.63mm | 3.513 89.23mm | ROHS3 Compliant | Lead Free | ||
140PEX Hammond Manufacturing | 42 |
| - | 4 Weeks | Chassis Mount | Chassis Mount | 600 | 124.999993g | Bulk | 2012 | 140EX | 1.250Dia 31.75mm | yes | Active | - | Screw | - | 5mW | Shielded | - | Screw Terminal | 500Vrms | - | - | 20Hz~20kHz | 0.8dB Typ | - | GENERAL PURPOSE AUDIO TRANSFORMER | 1:1, 1:2, 1:4 | 30dB Typ | 600 150/150 | ±1dB | 2.4k 600/600 | 58Ohm | 190Ohm | 10dB | 25.4mm | 1.000 25.40mm | ROHS3 Compliant | - | ||
107L Hammond Manufacturing | 42 |
| Datasheet | 4 Weeks | Through Hole | Through Hole | - | 0.02lb 9.07g | Bulk | - | 107 | 0.630Lx0.586W 16.00mmx14.88mm | - | Active | Not Applicable | PC Pin | EAR99 | - | Unshielded | - | PC Pin | 100VRMS | - | - | 300Hz~50kHz | - | 1.5 dB | Miniature Epoxy Potted | 55.3:1 | - | 10kCT | ±1.5dB | 3.2 | 650Ohm | 360mOhm | 150mW | 21.082mm | 0.630 16.00mm | ROHS3 Compliant | - | ||
1650FA Hammond Manufacturing | 2074 |
| Datasheet | 4 Weeks | Chassis Mount | Chassis Mount | - | 4lbs 1.8kg | Bulk | 2013 | A | 3.500Lx2.500W 88.90mmx63.50mm | - | Active | 1 (Unlimited) | Wire Leads | - | - | - | - | Wire Leads | 2000V @ 1 Second | - | 128mA | 30Hz~30kHz | - | 1 dB | Push-Pull Audiophile, Ultra-Linear - Tube Output | - | - | 7.6kCT | ±1dB | 4 8 16 | 92.16Ohm 102.8Ohm | 210mOhm 239mOhm 309mOhm | 25W | - | 3.060 77.72mm | ROHS3 Compliant | Lead Free | ||
107H Hammond Manufacturing | 10000 |
| Datasheet | 4 Weeks | PCB, Through Hole | Through Hole | - | 0.02lb 9.07g | Bulk | - | 107 | 0.630Lx0.586W 16.00mmx14.88mm | - | Active | Not Applicable | PC Pin | EAR99 | 150mW | Unshielded | 50kHz | PC Pin | 100VRMS | 59Ohm | - | 300Hz~50kHz | - | 1.5 dB | Miniature Epoxy Potted | 1:1 | - | 600CT | ±1.5dB | - | 60Ohm | 78Ohm | - | 21.082mm | 0.630 16.00mm | ROHS3 Compliant | Lead Free | ||
109R Hammond Manufacturing | 41 |
| Datasheet | 4 Weeks | Through Hole | Through Hole | - | - | Bulk | - | 109 | 1.315Lx0.930W 33.40mmx23.62mm | - | Active | Not Applicable | PC Pin | EAR99 | - | Unshielded | - | PC Pin | 100VRMS | - | - | 300Hz~50kHz | - | 1.5 dB | Miniature Epoxy Potted | 5.16:1 | - | 10kCT | ±1.5dB | 1.5kCT | 384Ohm | 58Ohm | 2W | 23.4mm | 0.920 23.37mm | ROHS3 Compliant | - | ||
 124C Hammond Manufacturing | 41 |
| Datasheet | 4 Weeks | Chassis Mount | Chassis Mount | - | 1.200205kg | Bulk | - | 124 | - | - | Active | Not Applicable | Wire Leads | - | - | Unshielded | - | Wire Leads | 500Vrms | - | 60mA | 150Hz~15kHz | - | 1 dB | Tube Driver and Speaker Matching | 1:3 | - | 10k | ±1dB | 90kCT | 405Ohm | 1.525kOhm | 5W | 42.7mm | - | ROHS3 Compliant | - |