Electronic components - Import export

We have over 10 Million Lines of Components in our Supply. Contact me on liamm@merefields.com

At Merefields Electronics we have built a network of suppliers and manufacturers to provide our customers with total electronics distribution. Our Electro Mechanical product range includes Electronic Components and we support key manufacturers such as Schrack, Apem, Binder, Omron and many more. Please send me an enquiry via liamm@merefields.com or enquires@merefields.com

BOSCH TERMINALS AVAILABLE ON OUR STOCK LIST Please send me an enquiry via liamm@merefields.com or enquires@merefields.com 

Product Features: • Choice of two primaries: Single primary 115VAC (187 Series) or Dual primary 115/230VAC (186 Series). • Either series operates on 50/60 Hz. • Combination solder or quick connect terminals. • Split bobbin construction eliminates the need for an electrostatic shield. • Hi-pot tested to 2 KV RMS. • Economical open style, channel frame - chassis mount design. • Insulation material - Class B or 130C. • Lower temperature rise designed not to exceed Class A for longer life. • UL listed (#E207860) Type 3AH. • CSA certified.

Product Features: • Primary 115 VAC, 60 or 400Hz. models, 3 case sizes. • Epoxy cast to withstand shock and severe environments. • Two coil design provides balanced windings and low magnetic radiation - no electrostatic shield required. • 228 Series include four, 6-32 x 0.38 machine screw inserts for less strain on P.C. board connections.

Product Features: • Used as a small 24 volt transformer for relay, pilot lights or low voltage, low power control use. • 60 Hz. operation. • Chassis mount. • With 10" leads. • CSA certified (209651). • UL listed (File #E207860).

Product Features: • Pin type, miniature size, P.C. board mount, net weight of only 0.1 oz. • Rugged potted construction produces a completely sealed unit withstanding severe environmental conditions. • Secondary may be used as primary and primary as secondary. • Power level: Minimum frequency range: 300 Hz. to 100 Khz. +/- 0.5 db @ 100 mw. • Frequency range @ +10 dbm is 200 Hz. to 100 Khz. +/- 0.5 db • Frequency range @ +15 dbm is 200 Hz. to 100 Khz. +/- 0.5 db • Frequency range @ +20 dbm is 300 Hz. to 100 Khz. +/- 0.5 db • Frequency measurements with no D.C. current saturation 101D

Product Features: • Designed with nickel alloy cores for high performance and Wide Bandwidth. • Frequency Response: 20 Hz - 20 kHz ±0.35 dB, (ref. @ 1 kHz). • Low distortion at levels up to +27 dBu @ 20 Hz. • Excellent Shielding - Mu Metal Enclosures. • Line Output Transformers are open style (not Mu Metal).

Product Features: • Designed for push-pull tube output circuits. • Enclosed in a drawn steel case, the transformer is completely potted in epoxy. • Frequency response 30 Hz. to 30 Khz. at full rated power (+/- 1 db max. ref. • 1 Khz) minimum. • Lead connection is via 10 bottom mounted lugs. • All units include 40% screen taps for Ultra-Linear operation (if desired). • Finished in a black powder paint (to match the 300P Series power transformers). • Typical applications - Push-Pull: triode, Ultra-Linear pentode, pentode and tetrode connected audio output.

Product Features: • Designed for drop in replacement of original units. • Physically, parts were designed to look similar to original factory units (where possible). • Material used and design specs. were kept as close as possible to the original part to preserve the stock "tone". • Output transformers marked UPGRADE allow for more versatility by added secondary connections that did not exist on the original units.

Product Features: • Designed for general purpose or replacement use in Push-Pull tube output circuits. • Frequency response: 150 Hz. - 15 Khz at full rated power (+/- 1 db max. ref. 1 Khz). • Open style with minimum 5" long primary leads. • Secondary solder lugs for convenient secondary connections (except 125B - uses minimum 5" secondary leads). • Primary impedances from 1,200 to 25,000 Ohms. • Secondary impedances from 1.5 to 15 Ohms.

Product Features: • Small, economical, open, two hole horizontal bracket mount. • Insulated, colour coded flexible leads, 4" long minimum (143, 144 and 145 Series) or 3" long minimum (146 Series). • Frequency response 150 Hz. to 15 Khz. (+/- 1 db, reference 1000 Hz.). • When operating at impedances below nominal, power capability and the frequency spectrum are proportionately lower, conversely, at higher impedances power capability and frequency spectrum will be proportionately higher. • Net weight: 0.5 oz. (143, 144, 146 Series) and 1.4 oz. (145 Series).

Product Features: • Designed for push-pull tube output circuits. • Enclosed (shielded), 4 slot, above chassis Type "X" mounting. • Frequency response 30 Hz. to 30 Khz. at full rated power (+/- 1 db max. - ref. 1 Khz.) minimum. • Insulated flexible leads 8" min. • Manufactured with plastic coil forms for coil support and insulation. • Typical applications - Push-Pull: triode, Ultra-Linear pentode, pentode and tetrode connected audio output. • Due to the unique interleaving of the windings BOTH secondary windings must be engaged to meet specifications.

Product Features: • Designed for push-pull tube output circuits. • Units are designed to provide ample "headroom" at bass frequencies (note the weight of each transformer). • All models have a secondary tapped fro 4, 8 or 16 ohm outputs. • Enclosed (Shielded), 4 slot, above chassis Type "X" mounting. • Manufactured with plastic coil forms for coil support and insulation. • Frequency response 30 Hz. to 30 Khz. at full rated power (+/- 1 db max. - ref. 1 Khz.) minimum. • Insulated flexible leads 8" min. • All units (except the 1650G) include 40% screen taps for Ultra-Linear operation (if desired). • Typical applications - Push-Pull: triode, Ultra-Linear pentode, pentode and tetrode connected audio output. The 1650G does NOT have primary screen taps and will not support "Ultra Linear" applications.

Product Features: • "Over designed" for high fidelity, single ended, Class-A, tube output circuits (triode, tetrode or pentode tubes). • Enclosed (shielded), four slot, chassis Type "X" mounting. • Frequency response at least 20 Hz. to 20 Khz. at full rated power (+/- 1 db max., ref. 1 Khz). • Insulated flexible leads 8" min. • For maximum versatility, all units (except the 1642SE and 1638SEA do NOT include this screen tap as they were designed principally for high impedance triode tubes. • High quality laminations, (M6) grain oriented silicon steel. • Core is gapped to reduce core saturation in Class-A tube amplifier circuits.

Product Features: • Enclosed, 4-hole mount chokes (some models also available epoxy potted in a black powder paint - drawn steel housing. Potted models mount with 1/4" - 20 hardware (included). • Tolerance of 15% on both inductance and resistance. • Inductances measured at rated D.C. current. • Minimum 8" long leads. • Units will exhibit less inductance at slightly higher currents or more at lower currents. • Perfect for high voltage power supply filtering, case matches power transformers and tube audio output transformers. • Units are vacuum impregnated with polyurethane varnish for quiet and long life operation. • Operating temperature range is -40C to 85C. • Proper Henry testing requires an LCR meter in junction with a 25A power supply that does allow for DC bias as well a higher applied AC drive voltage to meet the test specifications.

Product Features: • Designed for drop is replacement of original units. • Physically, parts were designed to look similar to original factory units (where possible). • Inductance measured at rated D.C. current. • Material used and design specs. were kept at close as possible to the original part to preserve the stock "tone". • Units are vacuum impregnated with polyurethane varnish for quiet and long life operation.

Product Features: • Moulded powdered iron core. • All chokes include vinyl insulation cover. • 1.25" long leads (+/- 0.1"). • High inductance and high current. • L measured at 7.9 Mhz. on 1536D, E and F all others at 1 Khz.

Product Features: • Large ferrite core for extended saturation point, optimum frequency range .01-2 Mhz. • 1.5" long leads (+/- 0.1"). • Test frequency 1 Mhz. • Core length 1.25". • Coil is covered with vinyl insulation shrink sleeve. • Operating temperature -55°C to +135°C.

Product Features: • High saturation flux density ferrite rods. • 1" long leads, tinned to within 1/8" of body. • Ideal for filtering or energy storage inductors. • Inductance measured at @ 1 Khz. with 0 amps. D.C. current, typical inductance change is less than 5% @ twice rated current. • Ambient temperature range -60C to +85C.

Product Features: • High saturation flux density ferrite bobbins. • 1" long leads, tinned to within 1/8" of body. • Ideal for filtering or energy storage inductors. • Inductance measured at @ 1 Khz. with 0 amps. D.C. current, typical inductance change is less than 5% @ twice rated current.

Product Features: • Ideal for EMI/RFI filtering applications. • Suitable for energy storage inductors for switching power supplies. • High current. • Minimum .5" long leads, for P.C. board mounting. • Storage temperature range: -20°C to 105°C. • Operating temperature range: -20°C to 85°C.

Product Features: • Economical "open bracket" - channel mount. • Tolerance of 15% on both inductances and resistance. • Inductances measured at rated D.C. current. • Minimum 5" long leads. • Units will exhibit less inductance at slightly higher currents or more inductance at lower currents. • Perfect for high voltage power supply filtering. • Every unit is Hipot tested (100%) at 1,500 VAC. • Units are vacuum impregnated with polyurethane varnish for quiet and long life operation.

Product Features: • Open core and coil, 4-slot bracket mounting chokes. • Tolerance of 15% on both inductance and resistance. • Inductances measured at rated D.C. current. • The "195" Series is single coil. • The "196" Series is dual coil - allowing more versatility. • Recommended maximum operating voltage 600 VAC (winding to core). • Hipot tested at 2,500 VAC. • Connections are made to a screw terminal or heavy copper tabs with holes. • Perfect for high current power supply filtering.

Product Features: • Toroidal design. • Supplied with 24" insulated secondary leads, terminated with crimped ring connectors. • Suitable for use with bare (uninsulated) primary conductor in circuits up to 600 V (4 KV Hi pot); or at higher voltage when a suitably insulated conductor is used. • All units have 5 A secondary for use with standard AC ammeters with 5 A movements. • Two hole mounting bracket on all models. • UL E227616 volume #1 file number X0DW2

Product Features: • Designed for a 5 amp. primary (maximum 20 Amp), secondary current 5 ma. • 40 - 1,000 Hz. operation. • Customer to supply primary winding (1 turn through open top of transformer bobbin). • Two hole chassis mount or P.C. board pin mont. • Both units have 5 ma. secondary for use with standard AC ammeters with 5 ma.movements. • High accuracy windings (1%).

Product Features: • Used in chimes, door bells, security systems, decorative lighting, furnaces, humidifiers, appliances, vending machines, intercom system type applications. • Rugged, low noise, cool running design, indoor use only. • Stripped wire input (primary) leads, screw terminal/quick fit tab terminal output (secondary). • Nipple locknut mount for box installation, complete with locknut and mounting bracket. • Input leads are black, on 240V models 240V lead is read. All models are 60 Hz. - inherently limited - no fuses or circuit breakers. • UL listed #E184371 - Except for part numbers BE2F and BE7G. • CSA certified (209651).

Product Features: • Primary 115VAC, 60 Hz., Secondary 115VAC. • Electrostatic shield between primary and secondary. • Connection by flexible leads, 8" minimum length. • Perfect for circuit isolation or "Classic" bias power supply. • CSA certified (209651).

Product Features: • Single winding, does not provide isolation, for use where equipment is already isolated and only voltage changed is required. • Flexible world wide applications, 50 or 60 Hz. operation, step down (230VAC to 115VAC) or step up (115VAC to 230VAC). • Connections by flexible leads, 8" minimum length. • Models 170A, 170B, 170C and 170D are CSA certified (209651). • Remember - These units do NOT convert line frequency.