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Series T & 84000

Series T & 84000
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Series T & 84000

Product catalog summary
Overview: The T & 84000 Series are ultra-miniature audio transformers designed for high reliability in space and mission-critical applications. They are available in both through-hole and surface mount configurations, with options for magnetic and electrostatic shielding. These transformers comply with MIL-PRF-27 standards and are suitable for extreme environmental conditions.
Features:
  • Extreme resistance to impact, shock, and vibration.
  • Manufactured to MIL-PRF-27, Class S, Grade 5 standards.
  • Ultra-miniature size with a minimalistic design.
  • Available with magnetic and/or electrostatic shielding.
  • RoHS compliant with exemption 7(a).
  • Customizable mechanical and electrical characteristics.
Specifications:
  • Primary Impedance: 2-80kΩ
  • Frequency Range: 20-25kHz
  • Power Rating: 3W Max. @ 1kHz+
  • Operating Temperature: -55°C to +130°C
  • Storage Temperature: -55°C to +105°C
  • Dielectric Strength: 200 VRMS
  • Insulation Resistance: 10 GΩ at 300VDC
Applications: Suitable for sensors, radars, avionic flight controls, airborne systems, naval electronics, and military, aerospace, or commercial aircraft.
Optional Screening Tests: Includes tests for vibration, shock, immersion, moisture resistance, flammability, and thermal shock according to MIL-STD-202 standards.
Packaging: Available in epoxy insulated metal for T Series and glass reinforced polymer for 84000 Series. Packaging options include box, tube, and tape & reel upon request.
Withstanding Voltage (at reduced pressure): Discusses the voltage levels that components can withstand under reduced pressure conditions, crucial for reliability in various environments.
Insulation Resistance: Addresses the resistance of the insulation material used in the components, essential for preventing electrical leakage and ensuring safety.
Electrical Characteristics: Outlines the electrical properties of the components, such as impedance, capacitance, and inductance, critical for performance in circuits.
Visual and Mechanical Examination (External): Involves inspecting components for physical defects or irregularities that could affect performance or reliability.
Life: Covers the expected lifespan of components under normal operating conditions, providing insights into durability and reliability.
Radiographic Inspection: Uses radiographic techniques to inspect the internal structure of components for defects not visible externally.
Testing Standards: References MIL-STD-981 and EEE-INST-002 standards, including Group A and B screening tests and magnetics screening and qualification requirements, ensuring components meet specific quality and performance criteria.
Electrical Schematic: Provides a detailed layout of electrical connections for the T & 84000 Series transformers, including split secondaries and electrostatic shields, important for understanding configuration and functionality.
Mechanical Drawings: Provide detailed dimensions and configurations for the T Series (through-hole) and 84000 Series (surface mount) transformers, essential for proper installation and integration into systems.
Recommended Land Pattern Dimensions: Provides guidelines for the layout of printed circuit boards to accommodate transformers, ensuring optimal performance and reliability.
Packaging Information: Details on box and tube packaging for transformers, important for handling, storage, and transportation.
Warranty and Liability: Pico Electronics offers a one-year warranty against defects in materials and workmanship, with limitations on liability for consequential damages. Users are advised to consult Pico for specific application needs and certifications.
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Catalog excerpts

Series T & 84000-1

Typical applications: • Avionic flight controls • Airborne systems • Naval electronics • Military, aerospace, or commercial aircraft The T and 84000 series are ultra-miniature transformers in an encapsulated package with design layouts as plug-in or surface mount. They can operate over a wide temperature range of -55°C to +130°C. Our materials and methods allow extreme temperatures of vapor phase, IR or other reflow procedures without degrading the high reliability of their physical form and electrical performance. • Extreme resistance to impact, shock, and vibration Manufactured to MIL-PRF-27, Class S, Grade 5 High reliability for space and mission critical applications Ultra miniature in size and minimalistic design Design layouts in through-hole or surface mount Available with magnetic shielding and/or electrostatic shielding Contact Pico for part number of available options: • Screening and qualification criteria to flight standard • Capability to thermal shock up to 300 cycles • Extra layers of magnetic shielding • Fully RoHS compliant or with exemption 7(a) • Modifications to mechanical design and electrical characteristics • Custom new design and parameters

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Series T & 84000-2

Audio Transformer PICO Through

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Series T & 84000-3

Audio Transformer PICO T SERIES - THROUGH HOLE 84000 SERIES - SURFACE MOUNT

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Series T & 84000-4

Audio Transformer PICO T SERIES - THROUGH HOLE 84000 SERIES - SURFACE MOUNT

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Series T & 84000-5

Audio Transformer PICO T SERIES - THROUGH HOLE 84000 SERIES - SURFACE MOUNT

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Series T & 84000-6

Audio Transformer PICO T SERIES - THROUGH HOLE 84000 SERIES - SURFACE MOUNT

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Series T & 84000-7

Audio Transformer PICO T SERIES - THROUGH HOLE 83000 SERIES - SURFACE MOUNT Note 1: Includes electrostatic shield Note 2: For RoHS compliance on a through-hole component, please consult with Pico's engineer and provide the part number. Note 3: All SMDs are available with Pb-free dipped terminals that is compliant to RoHS exemption 7 by requesting part number + ‘-RoHS-7'

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Series T & 84000-8

Audio Transformer PICO SPECIFICATIONS Note 4: Screening and qualification tests are not limited to the options in the chart above. Each standard may also be stringent or exclude certain tests from one another. Please contact Pico for specific application needs and for Pico part number.

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Series T & 84000-9

T & 84000 Series Audio Transformer ELECTRICAL SCHEMATIC T SERIES - THROUGH HOLE SPLIT SECONDARIES SPLIT SECONDARIES SERIES CONNECTION PARALLEL CONNECTION ELECTROSTATIC SHIELD 84000 SERIES - SURFACE MOUNT SPLIT SECONDARIES SPLIT SECONDARIES SERIES CONNECTION PARALLEL CONNECTION ELECTROSTATIC SHIELD NOTES a. ANY TERMINALS NOT SHOWN HERE MAY BE USED FOR MECHANICAL STABILITY ON THE PCB ONLY, AS THEY DO NOT HAVE ANY ELECTRICAL CONNECTION. b. CT STANDS FOR "CENTER-TAP", WHERE THE TOTAL NUMBER OF TURNS IS EVENLY SPLIT BETWEEN THE TOP HALF AND BOTTOM HALF OF A COMPLETE WINDING.

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Series T & 84000-10

T & 84000 Series Audio Transformer MECHANICAL DRAWINGS T SERIES - THROUGH HOLE Ø.750 [Ø19.050] NOTES a. ALL DIMENSIONS ARE IN INCHES, [ ] = MM b. TERMINALS ARE CLOCKWISE FROM PIN #1 BOTTOM VIEW 84000 SERIES - SURFACE MOUNT .800 [20.320] ELEVATION VIEW NOTES a. ALL DIMENSIONS ARE IN INCHES, [ ] = MM b. TERMINALS ARE CLOCKWISE FROM PIN #1 c. PIN #4 HAS NO CONNECTION BOTTOM VIEW www.PicoElectronics.com | T & 84000 Ser

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Series T & 84000-11

T & 84000 Series Audio Transformer RECOMMENDED LAND PATTERN DIMENSIONS 84000 SERIES - SQUARE SURFACE MOUNT CARDBOARD CARRIER DETAIL A

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Series T & 84000-12

T & 84000 Series Audio Transformer TUBE PACKAGING - 84000 SERIES PLAN VIEW ELEVATION VIEW UNSEALED TUBE PACKAGE TUBE PLUG TUBE PLUG Pico warrants each product manufactured by us and sold by us or an authorized representative, to be free from defects in material and workmanship. If properly used, it will perform within its applicable specifications for a period of one year after original shipment. Pico’s obligation under this guarantee is limited to repairing or replacing our product to the original purchaser. This warranty is in lieu of all other warranties, express or implied and constitutes...

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