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CUI MSD-4-A

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CUI MSD-4-A

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Model Number :	MSD-4-A
Delivery Time :	13-18 working days
Brand Name :	MSD-4-A

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Product Details
Company Profile

CUI MSD-4-A

Product Overview

The MSD-4-A is a Micro SD Card Connector designed for seamless integration into electronic devices. It features a push-in, auto-eject mechanism for convenient card handling, a card detect switch for status monitoring, and gold flash plating for reliable connectivity. This connector is surface mountable and rated UL94V-0 for flammability.

Brand

Same Sky

Model

MSD-4-A

Description

Micro SD Card Connector

Housing Material

LCP 30% GF (UL94V-0)

Housing Color

Black

Contact Terminals Material

Phosphor Bronze

Contact Area Plating

Gold Flash over Nickel

Solder Area Plating

Tin over Nickel

Cover Material

SUS304

Flammability Rating

UL94-V0

RoHS Compliant

Yes

Package Type

Reel (1,000 pcs per reel)

Parameter	Conditions/Description	Min	Typ	Max	Units
Rated Voltage				30	V
Rated Current				0.5	A
Contact Resistance	1 (Measured at 20 mV / 100 mA)			100	m
Insulation Resistance	At 500 Vdc, between adjacent circuits	1,000			M
Voltage Withstand	For 1 minute, between adjacent circuits			100	Vac
Insertion Force	At a rate of 25 mm/min			10	N
Withdrawal Force	At a rate of 25 mm/min			0.5	N
Life				5,000	Cycles
Operating Temperature		-40		85	C
Shelf Life (Reel Storage)	Reel unopened: up to 15 months		16	28	C
Shelf Life (Reel Storage)	Reel opened: use within 1 month
Reflow Soldering	See reflow profile			250	C

Pin	Signal Name	Type	Description
1	DAT2	I/O/PP	DATA LINE (BIT 2)
2	CD/DAT3	I/O/PP	CARD DETECT / DATA LINE (BIT 3)
3	CMD	PP	COMMAND / RESPONSE
4	VDD	S	SUPPLY VOLTAGE
5	CLK	I	CLOCK
6	VSS	S	SUPPLY VOLTAGE GROUND
7	DAT0	I/O/PP	DATA LINE (BIT 0)
8	DAT1	I/O/PP	DATA LINE (BIT 1)
-	CD	-	CARD DETECT SWITCH
-	GND	-	COVER GROUND

CUI MSD-4-A

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