Miscellaneous Transformers
Hipotronics 3 Phase Auto Transformer High: 277/480V at 36 Amps to Low: 231/400V at 42 Amps 25kVA
(TP) AUTO-25CAB
@ 36A 50/60 Hz
@ 42A
Hipotronics® 3 Phase, Dry Type Auto-Transformer. Hipontronics P/N: HHT-7352. Axcelis P/N: 2400155. There is a clearance hole for a 1-1/4" liquid-tight conduit fitting on the left side of the autotransformers enclosure. There is a second clearance hole for a straight Hubbell F-4 cord grip for a 6/5 SO cord on the right side (clearance hole for a 1" NPT thread).
Transformer Materials:
• Conductors: Insulated copper
• Layer Insulation: Nomex™
Power Transformer
(TP) PT2074
Three Tap, 3 Phase Delta to WYE
Apparent Power: 50 Watts
Dimensions: 3"L x 3.5"W x 3"H
Power transformer with multiple taps. 3 phase, Delta to WYE. 50 watts. No further nomenclature. 3" x 3.5" x 3"H. Base 3.168" x 2.7" x 3.08"H. NSN: 5950-445-9027.
Hall Effect Circuit 100mV ±25%
(MIS) MC107-11
100mV, ±25%
Halltron Magnetic Circuit hall effect circuit. 100 mV, ±25%. Circa 1974. Only 2 available.
Inverter Transformer
(TP) 408620
Input: 28v C.T. RMS 47-66 Hz
Output: 120v RMS @ 1A
Dimensions: 4.5"L x 3.5"W x 4"H
Inverter transformer. Square wave. Push-pull. 47-66 Hz. 5 Solder Lug Tabs.
Transformer
(TP) EP-7510
Dimensions: 2"L x 2-3/4"W x 3"H
Manufactured by Ballantyne
Ballantyne transformer. 6 sets of wires. 2" x 2-3/4" x 3". PC mount.
Transformer
(TPA) TF5RX35ZZ
1.6mH x 3 Windings, Ratio = 1:1:1
HiPot: 1,500V
Dimensions: 3/4"L x 3/4"W x 5/8"H
General Electric transformer. 1.6 MHy. 3 windings, ratio = 1:1:1. HiPot = 1500. 3/4" x 3/4" x 5/8"H. Alt. P/N: 9T31Y3235. NSN: 5950-054-5740.
811A Matching Transformer 5000 ohm DC to 100 ohm DC
(TA) TF1A13YY
Primary: 5000 ohm - DC
Secondary: 100 ohm - DC, 90V
Current: 100mA, 81 Watts
Kenyon 811A matching transformer. Source impedance: two 811A tubes in push-pull. Hermetically sealed. 1,070 peak wv. NSN: 5950-553-3484.
14.75k Ohm Primary - 6.6k (w / 5.75k tap)
350mA DC secondary - 8kV test
Dimensions: 5-1/4" x 6-1/4" x 7-1/2"H (incl. insulators)
Removed from Wilcox transmitters, these 350 watt modulation transformers are ready for a second life. They operated plate to plate on a pair of class B, 813 valves to modulate a single 250TL RF amp. This is an auto-transformer with multiple series windings. Call for details. 5-1/4" x 6-1/4" x 7-1/2" high, including insulators. We will include a copy of the Wilcox circuit in which the transformer was used.
3 Phase to Single Phase Transformer
(TP) SMD749020
Primary: 12v AC, 3 Phase, 60 Hz
Secondary 1: 145v AC C.T. @ 0.5 amps
Secondary 2: 5.8v AC @ 10 amps
3 Phase to Single Phase Transformer. Hermetically sealed. 4 corner post mounting. Turret terminals on bottom. 3-1/4" x 3-5/8" x 4"H.
Ripple Bucking Transformer
(TPA) C217132
Dimensions: 2" x 2" x 2-7/8"
Manufactured by Bendix
Alt. P/N:
Bendix ripple bucking transformer. Hermetically sealed. 2" x 2" x 2-7/8".
Isolation Transformer
(TP) 715920-1
Primary: 5v AC c.t.
Secondary: 1.66v AC @ 16.6µA
100k Ohm
Oscar Schott isolation transformer. Primary: 5v AC c.t. Secondary: 1.66v AC @ 16.6µA, 100k ohms impedance. 500v RMS test. Hermetically sealed. Turret terminals. 2-11/16" x 2-3/8" x 3-1/4".
Input: 5 KHz Square Wave
Primary: 105/115/124v
Secondary: 9600v @ 100mA
Transformer. 5 KHz square wave. Primary: 105/115/124v. Secondary: 9600v @ 100mA. 5-1/4" x 5-1/2" x 5-1/4"H.
Power Transformer 208V Delta 3 Phase 60 Hz
(TP) GE3P11
Primary: 208v Delta, 3 phase, 60 Hz
Secondary: 23v @ 2.45 amps, 3 phase
Secondary: 24.3v @ 0.82 amps, 3 phase
Power transformer. Electrostatically shielded. Turret terminals.
Primary: 208v @ 60 Hz, 3 phase
Secondary: Dual 6.3v @ 130mZ
Dimensions: 2-1/2" x 3" x 4-1/8"H
ETC power transformer. Dual 6.3v @ 130mA. One winding leads V1-L1 by < 40°. The other lags Vn-L1 by < -50°.
High Pressure Sodium 100 watt Auto Transformer
(TP) V90D1333K
120 / 208 / 240 / 277 volts
Manufactured by Venture Lighting
Alt. P/N:
Venture Lighting high pressure sodium 100 watts core & coil ballast auto transformer - Hx. HP,S S54. 120 / 208 / 240 / 277 volts. Brand new in the box!
High Pressure Sodium 150 watt Auto Transformer
(TP) V90D1435K
120 / 208 / 240 / 277 volts
Manufactured by Venture Lighting
Alt. P/N:
Venture Lighting high pressure sodium 150 watts core & coil ballast auto transformer - Hx. HPS S55. 120 / 208 / 240 / 277 volts. Brand new in the box!
Power Transformer
(TPA) 19658
Primary: 180v @ 0.04 amps DC, 4750 Hz
Secondary: 2520v @ 0.002 amps AC
Secondary: 300v tap @ 0.001 amps DC
Power transformer. Hermetically sealed. 550wv.
Common Mode Line Choke 3.5 mH
(TP) P3213-A
3.5 mH
1250v @ 1.3 amps
DCR = 0.15 ohms
Coilcraft common mode line choke. 25 AWG wire, 0.0180", 1" outside diameter toroid. 4 pin base.
Lamp Indicator Transformer
(TP) ST-28
120v AC to 22.5v
Dimensions: 3/4" x 1-1/4" x 2-1/2"L
Manufactured by Kimden
Kimden lamp indicator transformer. Made in Japan
Hi-Fi Stereo Amp Power Transformer
(TP) LO3-0072-05
Kenwood KA-4004 Hi-Fi stereo amp power transformer. New, old stock.
Merit audio transformers. 3 piece assortment. NOS. DC: 1957 - 1965. Made in the USA. Includes one of each:
- A-4108; 10w audio output, Primary: 35 ohm C.T.
- A-3012; 3w audio output, Primary: 10k ohm C.T.
- A-4096; 5w audio output, Primary: 1k ohm C.T.
Merit Transformers - 3 Piece Assortment
(TA) ASST2
Merit transformers. 3 piece assortment. NOS. DC: 1953 - 1965. Made in the USA. Includes one of each:
- A-3012; 3w audio output, Primary: 10k ohm C.T.
- A-3001; Vertical Block OSC
- A-3023; Tube to Line, 5k ohm / 10k ohm / 20k ohm C.T.
Merit interstage transformers. 4 piece assortment. NOS. DC: 1957 - 1965. Made in the USA. Includes one of each:
- A-2742; Primary: 50k ohm C.T.
- A-2771; Primary: 3k ohm C.T.
- A-2777; Primary: 5k ohm C.T.
- A-2783; Primary: 15k ohm C.T.
Merit interstage transformers. 5 piece assortment. NOS. DC: 1957 - 1965. Made in the USA. Includes one of each:
- A-2757; Primary: 250 ohm C.T.
- A-2759; Primary: 500 ohm C.T.
- A-2769; Primary: 2k ohm C.T.
- A-2775; Primary: 5k ohm C.T.
- A-2785; Primary: 16k ohm C.T.
External Output Transformer
(TM) STM1630/622
90v Signal
115v Reference
Dimensions: 3.125"L x 1.5"W x 1"H
Analog Devices external output transformer. For use with S/D and D/S converter: SDC1786607, SDC1603607. 13 pin. Gold plated. 50/60 Hz. 90v signal, 115v reference. New in the box. NOS. Made in the UK. DC: 4/1981.