Wholesale CRM Series Rectangular Printed Circuit Connectors Manufacturer, Exporters

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Wholesale CRM Series Rectangular Printed Circuit Connectors Manufacturer, Exporters

Product Introduction

*Resistance to wave soldering
*1.905mm contact distance
*Supports modular stacking
*Stainless Steel Positioning Guide
*Comply with corporate standardsï¼šQ/ JG20047-2012

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Product Description

Mechanical Performance

Mechanical life: 500 times

Shock test: acceleration 980m/s², momentary break ≤ 1μs

Vibration test: frequency 10Hz to 2000Hz, acceleration 147 m/s², momentary break 1μs

Electrical Performance

Rated current: 3A

Contact resistance: ≤ 10mΩ

Insulation resistance: Under standard conditions: ≥ 5000MΩ

Dielectric withstand voltage: Under standard conditions: 1000V

Mainly used in high-voltage impulse generators, high-power pulse power supplies, strong magnetic fields, high-energy accelerators, thermonuclear reaction test devices, strong lasers and strong beam currents and other high-voltage energy storage energy systems.

Environmental Performance

Operating temperature: -65°C to +125°C

Salt spray: 48h

Model Designation

The connector model consists of the series main name, number of contact rows, connector type, base material, number of contacts, contact type, contact plating, and positioning method. A representation example is as follows:

The Meanings Contained in Each Part are Shown in Table

Classification Feature		Code	Meaning
Series main name		CRM	Printed Circuit Connector with a contact pitch of 1.905mm
Number of contact rows		2	2 rows
Number of contact rows		3	3 rows
Connector type	Plug	1	Straight with mounting ears
	Plug	3	Straight without mounting ears
	Socket	2	Straight with mounting ears
	Socket	4	Straight without mounting ears
Base material		2	PPS
Number of contacts		030, 059, 071, 122	Number of contacts: 30, 59, 71, 122
Contact type		10	Pin (for plug), straight dip soldering, 2.6mm × Φ0.5mm
		12	Pin (for plug), straight dip soldering, 3.3mm × Φ0.5mm
		21	Jack (for socket), straight dip soldering, 3.7mm × Φ0.5mm
		24	Jack (for socket), straight solder cup, solder cup inner diameter Φ0.7 mm
		55	Jack (for socket), straight stackable, 7mm × Φ0.635mm (board thickness 3.18 mm)
Contact plating		1	Gold-plated
Positioning method		0256	No positioning guide device
		5500	Single guide post and single guide bushing
		5700	Two fixed guide pins
		5800	Two fixed guide sleeves

Frequently Asked Questions

What are the mechanical performance specifications of the connector?

The connector has a mechanical life of 500 mating cycles. It successfully passes shock tests at an acceleration of 980m/s² and vibration tests between 10Hz to 2000Hz at 147m/s², with both maintaining a momentary break of ≤ 1μs.

What electrical parameters can this series handle?

It supports a rated current of 3A, a contact resistance of ≤ 10mΩ, and an insulation resistance of ≥ 5000MΩ under standard conditions. The dielectric withstand voltage rating is 1000V.

What is the operating temperature range for these connectors?

These connectors are engineered to work in extreme conditions, supporting a wide operating temperature range from -65°C to +125°C, along with 48 hours of salt spray resistance.

What are the typical applications for this connector?

They are primarily utilized in high-voltage energy storage systems, including high-voltage impulse generators, high-power pulse power supplies, strong magnetic fields, high-energy accelerators, thermonuclear reaction test devices, strong lasers, and strong beam currents.

What positioning methods are available for the model designation?

Based on the designated codes, positioning methods include: no positioning guide device (0256), a single guide post and single guide bushing (5500), two fixed guide pins (5700), or two fixed guide sleeves (5800).

What contact types and plating materials are supported?

The contact types include both pins (for plugs) and jacks (for sockets) with options for straight dip soldering, straight solder cup, or straight stackable styles. All contacts utilize gold-plated finishing for superior conductivity.