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JC CHERRY INC.
Ceramic Seal Hermetic Connectors

Ceramic Seal Hermetic Connectors

Product catalog summary

Overview

This document provides technical specifications and options for ceramic hermetic connectors designed for thermocouple applications. It includes details on connector dimensions, pin configurations, sealing performance, insulation resistance, flange options, and thermocouple types.

Connector Specifications

Material: Alumina Ceramic body with SUS304 stainless steel components.
Sealing Performance: Maximum leak rate of 1.3 x 10^-10 Pa·m³/s, ensuring hermetic sealing.
Insulation Resistance: Minimum 1000 MΩ at 500 VDC, guaranteeing electrical isolation.
Dimensions: Diameter (A) and length (B) vary by number of pins; examples include diameters from 15.1 mm to 38.0 mm for pin counts ranging from 4 to 48.

Pin Arrangements and Flange Options

Pin arrangements and detailed specifications are referenced on page 41G1-04.
Flange specifications (VF/VG, CF, Flat type (ISO), NW/KF) are detailed on pages 41G2-01 to 41G2-04.
Flange options are available as accessories and must be specified separately when ordering flange-designated types.

Thermocouple Types and Temperature Ranges

Code	Positive Pole	Negative Pole	Measuring Temperature Range	Remarks
K	Chromel	Alumel	-200 to +1000°C	Most Common
T	Copper	Constantan	-200 to +300°C	Narrow Temperature Range but Precise
E	Chromel	Constantan	-200 to +700°C	Large Thermoelectric Power

Users should select the thermocouple type based on the required temperature range and precision.

Additional Notes

Flange-specified products require separate flange specification during ordering.
Refer to the indicated pages for detailed pin arrangements and flange specifications to ensure compatibility and correct selection.

Catalog excerpts

www.connect.co.jp www.jccherry.com Ceramic Hermetic Connectors Single-Sided Engagement / Flange designation Type /Thermocouple Sealing : 1.3x10-10 Pa m3/s max Insulation Resistance : 1000MΩ min at 500VDC 〇Burndy/Souriou Connector No.of Pins ▪ Please See Page 41G1-04 for Pin Arrangements and Specifications. ▪ Please refer to pages 41G2-01 to 41G2-04 for specifications of flanges. Please choose the thermocouple type from the table below. Measuring Temp Positive Pole Negative Pole Remarks Most Common Narrow Temperature Range but Precise Large Thermoelectric Power 〇About the flange-specified type For flange-specified type products, it is necessary to specify the flange separately. *Flange (option) *Flange (option) *Flange (option) *Please refer to pages 41G2-01 to 41G2-04 for specifications of flanges (VF/VG, CF, Flat type

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