G5V-1-DC5 Price And Stock - Findchips

Có thể bạn quan tâm

G5V-1-DC5 price and stock G5V-1-DC5 Details My Preferred Distributors (0) Authorized (0) Independent (0) Industrial Supplies / MRO (0) Register or Sign In to sort your Preferred Distributors to the top of the list!

Authorized Distributors

Abracon
Analog Devices Inc
Avnet Asia
Bisco
Blume Elektronik
Braemac Americas-Symmetry
Chip One Stop
ChipNobo Co., Limited
Coilcraft
ComSIT Asia
Cytech Systems Limited
DigiKey
ECCO
element14
Fairview Microwave
Farnell
FDH Electronics
Flip Electronics
Future Electronics
GLYN
Maritex
Master Electronics
Microchip Technology
Mouser
NAC
New Advantage
Newark
NXP
Pasternack Enterprises
PEI Genesis
Perfect Parts
Powell Electronics
PUI
RECOM Power
Richardson RFPD
Rochester Electronics
Sager
Samtec
STMicroelectronics
TE Connectivity
Teledyne e2v
TME
TTI
TTI Asia
Venkel Ltd.
Verical
Wuhan P&S

Independent Distributors

Ameya
Bristol
Chip 1 Exchange
Chip-Germany GmbH
Futuretech Components
Greenchips
IBS Electronics
MacroQuest
Quest
SEMICONN
Shengyu Electronics
Utmel Electronic

Show Filters Desired Stock: In Stock Only Exact Matches Only Currency Estimator: Default AUD BRL CAD CNY EUR GBP ILS INR JPY KRW RUB TWD USD Default Filter by Manufacturer Select Manufacturer Set Alert

Update Alert Settings for: G5V-1-DC5

Select Manufacturer Which Manufacturer of G5V-1-DC5 would you like to use for your alert(s)? Inventory Alert

Please alert me when G5V-1-DC5 inventory levels are Above Below or equal to a quantity of from one of my selected distributors.

+ Add another inventory alert

Deselect All Also alert me for G5V-1-DC5 alternates An alert is already set for the following part(s): . Any existing alert will be overwritten and set as a new alert.

No pricing information is available at this time Pricing Alert

Please alert me when the single part price for G5V-1-DC5 Decreases Increases to $ for at least parts from one of my selected distributors. Your Pricing Alert is set to expire on . Set this alert to expire in Update this alert to expire 2 weeks 4 weeks 6 weeks 8 weeks · Expired on

+ Add another pricing alert

Deselect All Also alert me for G5V-1-DC5 alternates An alert is already set for the following part(s): . Any existing alert will be overwritten and set as a new alert.

Cancel Select Distributors Change Distributors

Your part alert has been saved!

Alerts are triggered based off of individual distributors that you choose. Select your distributor(s) below.

Back Set Alert

Your part alert has been saved!

Is at least 8 characters in length

Is at most 256 characters in length

Must include at least 3 of the following:

One lower-case character (a-z)

One upper-case character (A-Z)

One numeric character (0-9)

One special character (!#$%^&*)

Confirm Password * I agree to the Findchips Privacy Policy and Terms of Service. I agree to communications from licensed partners and distributors. Already have an account? Sign In Need an account? Register Back Alert is successfully saved for G5V-1-DC5. Close Looks like you've reached your alert limit! Please delete some alerts or contact us if you need help. Close

TOP

element14 Asia-Pacific Authorized Distributor

Part #	Manufacturer	Description	Stock	Price	Price Range	Buy
Details G5V-1 DC5 DISTI # 9949577	OMRON Electronic Components	RELAY, SIGNAL, SPDT, 24VDC, 1A COO: China RoHS: Compliant Min Qty: 1 Container: Each G5V-1 DC5 Part Details	3690	1 $1.8800 10 $1.7600 25 $1.6600 50 $1.6300 100 $1.6000 See More	$1.6000 / $1.8800	Buy Now G5V-1 DC5 Part Details
Details G5V-1-DC5 DISTI # 1448169	OMRON Electronic Components	RELAY, SIGNAL, SPDT, 24VDC, 1A RoHS: Compliant Min Qty: 1 Container: Each G5V-1-DC5 Part Details	0	1 $2.0800 10 $1.9400 25 $1.8000 50 $1.7700 100 $1.7300 See More	$1.7300 / $2.0800	Buy Now G5V-1-DC5 Part Details

DigiKey ECIA (NEDA) Member • Authorized Distributor

Part #	Manufacturer	Description	Stock	Price	Price Range	Buy
Details G5V-1 DC5 DISTI # 39-G5V-1DC5-ND	OMRON Electronic Components	RELAY GENERAL PURPOSE SPDT 1A 5V Min Qty: 1 Lead time: 26 Weeks Container: Tube G5V-1 DC5 Part Details	24430In Stock	5000 $1.5116 1000 $1.6395 500 $1.6978 250 $1.7581 100 $1.8410 50 $1.9064 25 $1.9740 10 $2.0670 1 $2.3200 See More	$1.5116 / $2.3200	Buy Now G5V-1 DC5 Part Details

Avnet Asia Authorized Distributor

Part #	Manufacturer	Description	Stock	Price	Price Range	Buy
Details G5V-1-DC5 DISTI # G5V-1-DC5	OMRON Corporation	Relay Signal SPDT 125VAC 5VDC Through Hole Tube (Alt: G5V-1-DC5) RoHS: Compliant Min Qty: 1000 Package Multiple: 500 Lead time: 34 Weeks, 2 Days G5V-1-DC5 Part Details	0	RFQ G5V-1-DC5 Part Details

Mouser Electronics ECIA (NEDA) Member • Authorized Distributor

Part #	Manufacturer	Description	Stock	Price	Price Range	Buy
Details G5V-1-DC5 DISTI # 653-G5V-1-DC5	OMRON Corporation	Low Signal Relays - PCB ThruHole Hi-Sens SPDT 5DC 150mW Seal RoHS: Compliant G5V-1-DC5 Part Details	11666	1 $2.3200 10 $2.1800 25 $1.9700 50 $1.9100 100 $1.8400 250 $1.7400 500 $1.7000 1000 $1.6400 5000 $1.5100 See More	$1.5100 / $2.3200	Buy Now G5V-1-DC5 Part Details
Details G5V-1-DC5 DISTI # 653-G5V-1-DC5	OMRON Corporation	Low Signal Relays - PCB ThruHole Hi-Sens SPDT 5DC 150mW Seal RoHS: Compliant G5V-1-DC5 Part Details	10417	1 $2.0000 10 $1.8800 25 $1.8100 50 $1.7800 100 $1.7100 250 $1.6300 500 $1.6000 5000 $1.5200 See More	$1.5200 / $2.0000	Buy Now G5V-1-DC5 Part Details

FREE Shipping Available

Chip One Stop Authorized Distributor

Part #	Manufacturer	Description	Stock	Price	Price Range	Buy
Details G5V-1 DC5 DISTI # G5V-1 DC5	OMRON Corporation	RoHS: Compliant pbFree: Yes Min Qty: 1 Lead time: 0 Weeks, 1 Days Container: Tube G5V-1 DC5 Part Details	14	16000 $1.2400 2000 $1.3100 1000 $1.3500 500 $1.5000 100 $1.6100 50 $1.6700 10 $1.8500 1 $1.9700 See More	$1.2400 / $1.9700	Buy Now G5V-1 DC5 Part Details

Verical Authorized Distributor

Part #	Manufacturer	Description	Stock	Price	Price Range	Buy
Details G5V-1 DC5 DISTI # 88819514	OMRON Corporation	Signal Relay 5VDC 1A SPDT(12.5x7.5x10)mm THT RoHS: Compliant Min Qty: 95 Package Multiple: 1 Date Code: 2318 G5V-1 DC5 Part Details	Americas - 6057	500 $1.6638 300 $1.8511 95 $2.1714	$1.6638 / $2.1714	Buy Now G5V-1 DC5 Part Details
Details G5V-1 DC5 DISTI # 70325041	OMRON Corporation	Signal Relay 5VDC 1A SPDT(12.5x7.5x10)mm THT RoHS: Compliant Min Qty: 25 Package Multiple: 25 Date Code: 2216 G5V-1 DC5 Part Details	Americas - 2100	1000 $1.6235 500 $1.6706 250 $1.7412 100 $1.9412 25 $2.3529 See More	$1.6235 / $2.3529	Buy Now G5V-1 DC5 Part Details
Details G5V-1 DC5 DISTI # 91690441	OMRON Corporation	Signal Relay 5VDC 1A SPDT(12.5x7.5x10)mm THT RoHS: Compliant Min Qty: 6 Package Multiple: 1 Date Code: 2450 G5V-1 DC5 Part Details	Americas - 485	5000 $1.3843 1000 $1.5159 500 $1.5871 250 $1.6495 100 $1.7355 50 $1.7700 25 $1.8550 10 $2.0429 6 $2.2139 See More	$1.3843 / $2.2139	Buy Now G5V-1 DC5 Part Details
Details G5V-1 DC5 DISTI # 92117271	OMRON Corporation	Signal Relay 5VDC 1A SPDT(12.5x7.5x10)mm THT RoHS: Compliant Min Qty: 19 Package Multiple: 1 Date Code: 2531 G5V-1 DC5 Part Details	Americas - 344	19 $1.4577	$1.4577	Buy Now G5V-1 DC5 Part Details
Details G5V-1 DC5 DISTI # 20027236	OMRON Corporation	Signal Relay 5VDC 1A SPDT(12.5x7.5x10)mm THT RoHS: Compliant Min Qty: 45 Package Multiple: 1 G5V-1 DC5 Part Details	Americas - 278	250 $1.3900 1 $1.4200	$1.3900 / $1.4200	Buy Now G5V-1 DC5 Part Details
Details G5V-1 DC5 DISTI # 90290380	OMRON Corporation	Signal Relay 5VDC 1A SPDT(12.5x7.5x10)mm THT RoHS: Compliant Min Qty: 29 Package Multiple: 1 G5V-1 DC5 Part Details	Americas - 254	29 $2.1700	$2.1700	Buy Now G5V-1 DC5 Part Details

View all 'G5V-1-DC5' results from Verical

TTI ECIA (NEDA) Member • Authorized Distributor

Part #	Manufacturer	Description	Stock	Price	Price Range	Buy
Details G5V1DC5 DISTI # G5V-1-DC5	OMRON Corporation	Low Signal Relays - PCB ThruHole Hi-Sens SPDT 5DC 150mW Seal RoHS: Compliant pbFree: Pb-Free Min Qty: 4 Package Multiple: 1 Container: Tube G5V1DC5 Part Details	Americas - 1734In Stock	4 $1.6000	$1.6000	Buy Now G5V1DC5 Part Details

TTI Asia ECIA (NEDA) Member • Authorized Distributor

Part #	Manufacturer	Description	Stock	Price	Price Range	Buy
Details G5V-1-DC5 DISTI # G5V-1-DC5	OMRON Corporation	Low Signal Relays - PCB ThruHole Hi-Sens SPDT 5DC 150mW Seal RoHS: Compliant pbFree: Pb-Free Min Qty: 500 Package Multiple: 500 Container: Bulk G5V-1-DC5 Part Details	Asia - 0	Buy Now G5V-1-DC5 Part Details

TME ECIA Member • Authorized Distributor

Part #	Manufacturer	Description	Stock	Price	Price Range	Buy
Details G5V-1-DC5 DISTI # G5V1DC5-OMR-0	OMRON Corporation	Relay: electromagnetic, SPDT, Ucoil: 5VDC, Icontacts max: 2A, G5V-1 Min Qty: 46 G5V-1-DC5 Part Details	6057	500 $1.4665 300 $1.5447 46 $1.9637	$1.4665 / $1.9637	Buy Now G5V-1-DC5 Part Details

Quest Components

Part #	Manufacturer	Description	Stock	Price	Price Range	Buy
Details G5V-1-DC5	OMRON Corporation	RELAY SPDT 5V COIL 6-PIN PCA-M G5V-1-DC5 Part Details	80	10 $2.0250 3 $2.7000 1 $4.0500	$2.0250 / $4.0500	Buy Now G5V-1-DC5 Part Details
Details G5V-1-DC5	OMRON Electronic Components	RELAY SPDT 5V COIL 6-PIN PCA-M G5V-1-DC5 Part Details	80	26 $2.7000 8 $2.9700 1 $4.0500	$2.7000 / $4.0500	Buy Now G5V-1-DC5 Part Details
Details G5V-1-DC5	OMRON Corporation	RELAY SPDT 5V COIL 6-PIN PCA-M G5V-1-DC5 Part Details	49	27 $2.6000 9 $2.8600 1 $3.9000	$2.6000 / $3.9000	Buy Now G5V-1-DC5 Part Details
Details G5V-1-DC5	OMRON Corporation	RELAY SPDT 5V COIL 6-PIN PCA-M G5V-1-DC5 Part Details	1	1 $3.0520	$3.0520	Buy Now G5V-1-DC5 Part Details

Verical Authorized Distributor

Part #	Manufacturer	Description	Stock	Price	Price Range	Buy
Details G5V-1 DC5 DISTI # 88819514	OMRON Corporation	Signal Relay 5VDC 1A SPDT(12.5x7.5x10)mm THT COO: China RoHS: Compliant Min Qty: 95 Package Multiple: 1 Date Code: 2318 G5V-1 DC5 Part Details	Americas - 6057	500 $1.6638 300 $1.8511 95 $2.1714	$1.6638 / $2.1714	Buy Now G5V-1 DC5 Part Details
Details G5V-1 DC5 DISTI # 70325041	OMRON Corporation	Signal Relay 5VDC 1A SPDT(12.5x7.5x10)mm THT COO: China RoHS: Compliant Min Qty: 25 Package Multiple: 25 Date Code: 2216 G5V-1 DC5 Part Details	Americas - 2100	1000 $1.6235 500 $1.6706 250 $1.7412 100 $1.9412 25 $2.3529 See More	$1.6235 / $2.3529	Buy Now G5V-1 DC5 Part Details
Details G5V-1 DC5 DISTI # 91690441	OMRON Corporation	Signal Relay 5VDC 1A SPDT(12.5x7.5x10)mm THT COO: China RoHS: Compliant Min Qty: 6 Package Multiple: 1 Date Code: 2450 G5V-1 DC5 Part Details	Americas - 485	5000 $1.3843 1000 $1.5159 500 $1.5871 250 $1.6495 100 $1.7355 50 $1.7700 25 $1.8550 10 $2.0429 6 $2.2139 See More	$1.3843 / $2.2139	Buy Now G5V-1 DC5 Part Details
Details G5V-1 DC5 DISTI # 92117271	OMRON Corporation	Signal Relay 5VDC 1A SPDT(12.5x7.5x10)mm THT RoHS: Compliant Min Qty: 19 Package Multiple: 1 Date Code: 2531 G5V-1 DC5 Part Details	Americas - 344	19 $1.4577	$1.4577	Buy Now G5V-1 DC5 Part Details
Details G5V-1 DC5 DISTI # 20027236	OMRON Corporation	Signal Relay 5VDC 1A SPDT(12.5x7.5x10)mm THT COO: China RoHS: Compliant Min Qty: 45 Package Multiple: 1 G5V-1 DC5 Part Details	Americas - 278	250 $1.3900 1 $1.4200	$1.3900 / $1.4200	Buy Now G5V-1 DC5 Part Details
Details G5V-1 DC5 DISTI # 90290380	OMRON Corporation	Signal Relay 5VDC 1A SPDT(12.5x7.5x10)mm THT COO: China RoHS: Compliant Min Qty: 29 Package Multiple: 1 G5V-1 DC5 Part Details	Americas - 254	29 $2.1700	$2.1700	Buy Now G5V-1 DC5 Part Details

View all 'G5V-1-DC5' results from Verical

Sager ECIA (NEDA) Authorized Distributor

Part #	Manufacturer	Description	Stock	Price	Price Range	Buy
Details G5V-1-DC5 DISTI # 000000000000044649	OMRON Corporation	Low Signal Relays - PCB ThruHole Hi-Sens SPDT 5DC 150mW Seal Min Qty: 1 G5V-1-DC5 Part Details	1952	1 $0.8531	$0.8531	Buy Now G5V-1-DC5 Part Details

Verical Authorized Distributor

Part #	Manufacturer	Description	Stock	Price	Price Range	Buy
Details G5V-1 DC5 DISTI # 88819514	OMRON Corporation	Signal Relay 5VDC 1A SPDT(12.5x7.5x10)mm THT COO: China RoHS: Compliant Min Qty: 95 Package Multiple: 1 Date Code: 2318 G5V-1 DC5 Part Details	Americas - 6057	500 $1.6638 300 $1.8511 95 $2.1714	$1.6638 / $2.1714	Buy Now G5V-1 DC5 Part Details
Details G5V-1 DC5 DISTI # 70325041	OMRON Corporation	Signal Relay 5VDC 1A SPDT(12.5x7.5x10)mm THT COO: China RoHS: Compliant Min Qty: 25 Package Multiple: 25 Date Code: 2216 G5V-1 DC5 Part Details	Americas - 2100	1000 $1.6235 500 $1.6706 250 $1.7412 100 $1.9412 25 $2.3529 See More	$1.6235 / $2.3529	Buy Now G5V-1 DC5 Part Details
Details G5V-1 DC5 DISTI # 91690441	OMRON Corporation	Signal Relay 5VDC 1A SPDT(12.5x7.5x10)mm THT COO: China RoHS: Compliant Min Qty: 6 Package Multiple: 1 Date Code: 2450 G5V-1 DC5 Part Details	Americas - 485	5000 $1.3843 1000 $1.5159 500 $1.5871 250 $1.6495 100 $1.7355 50 $1.7700 25 $1.8550 10 $2.0429 6 $2.2139 See More	$1.3843 / $2.2139	Buy Now G5V-1 DC5 Part Details
Details G5V-1 DC5 DISTI # 92117271	OMRON Corporation	Signal Relay 5VDC 1A SPDT(12.5x7.5x10)mm THT RoHS: Compliant Min Qty: 19 Package Multiple: 1 Date Code: 2531 G5V-1 DC5 Part Details	Americas - 344	19 $1.4577	$1.4577	Buy Now G5V-1 DC5 Part Details
Details G5V-1 DC5 DISTI # 20027236	OMRON Corporation	Signal Relay 5VDC 1A SPDT(12.5x7.5x10)mm THT COO: China RoHS: Compliant Min Qty: 45 Package Multiple: 1 G5V-1 DC5 Part Details	Americas - 278	250 $1.3900 1 $1.4200	$1.3900 / $1.4200	Buy Now G5V-1 DC5 Part Details
Details G5V-1 DC5 DISTI # 90290380	OMRON Corporation	Signal Relay 5VDC 1A SPDT(12.5x7.5x10)mm THT COO: China RoHS: Compliant Min Qty: 29 Package Multiple: 1 G5V-1 DC5 Part Details	Americas - 254	29 $2.1700	$2.1700	Buy Now G5V-1 DC5 Part Details

View all 'G5V-1-DC5' results from Verical

Maritex Authorized Distributor

Part #	Manufacturer	Description	Stock	Price	Price Range	Buy
Details G5V-1-DC5 DISTI # G5V-1-DC5	OMRON Corporation	Electromagnetic relay, contact rating current 2A, coil voltage 5VDC, changeover contact (1C), coil power 150mW, 1A/30VDC, 0.5A/125VAC Min Qty: 1 Package Multiple: 1 G5V-1-DC5 Part Details	525	500 $1.1980 100 $1.3660 25 $1.4830 5 $1.5560 1 $1.6760 See More	$1.1980 / $1.6760	Buy Now G5V-1-DC5 Part Details

Bristol Electronics

Part #	Manufacturer	Description	Stock	Price	Price Range	Buy
Details G5V-1-DC5	OMRON Corporation	G5V-1-DC5 Part Details	62	RFQ G5V-1-DC5 Part Details

Avnet Americas Authorized Distributor

Part #	Manufacturer	Description	Stock	Price	Price Range	Buy
Details G5V-1-DC5 DISTI # G5V1DC5	OMRON Corporation	Relay Signal SPDT 125VAC 5VDC Through Hole Tube - Bulk (Alt: G5V1DC5) COO: China RoHS: Compliant Min Qty: 1 Package Multiple: 1 Container: Bulk G5V-1-DC5 Part Details	635	16 $1.2006 8 $1.2362 4 $1.2539 2 $1.2722 1 $1.2980 See More	$1.2006 / $1.2980	Buy Now G5V-1-DC5 Part Details

Master Electronics ECIA (NEDA) Member • Authorized Distributor

Part #	Manufacturer	Description	Stock	Price	Price Range	Buy
Details G5V-1-T90-DC5	OMRON Electronic Components	Signal Relay 5VDC 1A SPDT( (12.5mm 7.5mm 10mm)) THT COO: China RoHS: Compliant G5V-1-T90-DC5 Part Details	4415 In Stock	7500 $1.2990 5000 $1.3060 2500 $1.3130 1000 $1.3190 500 $1.3260 250 $1.3320 100 $1.4140 10 $1.7400 See More	$1.2990 / $1.7400	Buy Now G5V-1-T90-DC5 Part Details
Details G5V-1-DC5	OMRON Electronic Components	Signal Relay 5VDC 1A SPDT(12.5x7.5x10)mm THT COO: China RoHS: Compliant G5V-1-DC5 Part Details	2634 In Stock 5000 On Order	7500 $1.3400 5000 $1.3500 2500 $1.3600 1000 $1.3800 500 $1.4200 250 $1.4800 100 $1.6500 25 $2.0000 See More	$1.3400 / $2.0000	Buy Now G5V-1-DC5 Part Details
Details G5V-1-2-DC5	OMRON Electronic Components	Signal Relay 5VDC 1A SPDT(12.5x7.5x10)mm THT COO: China RoHS: Compliant G5V-1-2-DC5 Part Details	1115 In Stock	7500 $1.3300 5000 $1.3370 2500 $1.3510 1000 $1.3760 500 $1.4930 250 $1.5000 100 $1.5860 10 $2.1980 See More	$1.3300 / $2.1980	Buy Now G5V-1-2-DC5 Part Details

Associated Part Details

G5V-1 DC5
G5V-1 DC5
G5V-1 DC5
G5V-1 DC5
G5V-1 DC5
G5V-1 DC5
G5V-1 DC5
G5V-1 DC5
G5V1DC5
G5V-1 DC5
G5V-1 DC5
G5V-1 DC5
G5V-1 DC5
G5V-1 DC5
G5V-1 DC5
G5V-1 DC5
G5V-1 DC5
G5V-1 DC5
G5V-1 DC5
G5V-1 DC5
G5V-1 DC5
G5V-1-T90-DC5
G5V-1-2-DC5
G5V-1 DC5

G5V-1-DC5 Price And Stock - Findchips

Authorized Distributors

Independent Distributors

Update Alert Settings for: G5V-1-DC5

Alerts are triggered based off of individual distributors that you choose. Select your distributor(s) below.

element14 Asia-Pacific Authorized Distributor

DigiKey ECIA (NEDA) Member • Authorized Distributor

Avnet Asia Authorized Distributor

Mouser Electronics ECIA (NEDA) Member • Authorized Distributor

Chip One Stop Authorized Distributor

Verical Authorized Distributor

TTI ECIA (NEDA) Member • Authorized Distributor

TTI Asia ECIA (NEDA) Member • Authorized Distributor

TME ECIA Member • Authorized Distributor

Quest Components

Verical Authorized Distributor

Sager ECIA (NEDA) Authorized Distributor

Verical Authorized Distributor

Maritex Authorized Distributor

Bristol Electronics

Avnet Americas Authorized Distributor

Master Electronics ECIA (NEDA) Member • Authorized Distributor

Associated Part Details

Most Popular Power/Signal Relays

Most Popular Part Numbers

[PDF] G5V-1 - Ultra-miniature, Highly Sensitive SPDT Relay For Signal ...

G5V-1-DC5 Omron Electronics | Mouser Singapore

Omron : Low Signal Miniature Relay SPDT 1A 5 Volt Through Hole

50pcs Omron G5V-1-5VDC G5V-1-DC5V Signal Relay 6 Pins | EBay

10pcs Omron G5v-1 Dc5v/12v/24v 6pin Spdt Pcb Mount Mini Signal ...

10PCS Omron G5V 1 DC5V 6Pin SPDT Mini Signal Relay For PCB

Omron Electronic Components G5V-1-DC5 Relay; E-Mech

Omron General Purpose Relay, G5V-1 Series, Power, Non Latching ...

10PCS G5V-1 DC5V 6Pin Omron SPDT Mini Signal Relay For PCB

G5V-1 5DC - Distrelec

[PDF] Low Signal Relay G5V-1

Signal Relay G5V-1, 1CO, DC, 5V, 1A, 167Ohm, Omron Electronic ...

Omron G5V-1 DC 5V 6Pin Omron SPDT Mini Signal Relay For PCB

Liên Hệ