3000BM price and stock

3000BM Details
Register or Sign In to sort your Preferred Distributors to the top of the list!

Authorized Distributors

  • Analog Devices Inc
  • Arrow
  • Avnet Americas
  • Bisco
  • CDM Electronics
  • Chip 1 Exchange
  • Chip1Stop
  • CHIPMALL.COM LIMITED
  • Coilcraft
  • ComSIT USA
  • DB Roberts
  • DigiKey
  • Dynamic Solutions
  • ECCO
  • Electroshield
  • ES Components
  • Fairview Microwave
  • FDH Electronics
  • Flip Electronics
  • Future Electronics
  • GLYN
  • Heilind Electronics
  • Interstate Connecting
  • Karl Kruse
  • L-com US
  • Maritex
  • Master Electronics
  • Microchip Technology
  • Mouser
  • NAC
  • New Advantage
  • Newark
  • Onlinecomponents.com
  • Ozdisan Elektronik
  • Pasternack Enterprises
  • PEI Genesis
  • Powell Electronics
  • PUI
  • Renesas Electronics America
  • Richardson RFPD
  • Rochester
  • RS
  • Rutronik
  • Sager
  • Samtec
  • SiTime Corporation
  • STMicroelectronics
  • Symmetry
  • Techni-Tool
  • Teledyne e2v
  • Test
  • TestEquity
  • TME
  • TTI
  • Venkel Ltd.
  • Verical
  • Waytek, Inc.
  • Wuhan P&S

Independent Distributors

  • Ameya
  • Bristol
  • Chip Stock
  • Chip-Germany GmbH
  • Component Electronics, Inc
  • CoreStaff
  • Futuretech Components
  • GlobX GmbH
  • Greenchips
  • IBS Electronics
  • JRH Electronics
  • LCSC
  • MacroQuest
  • Neutron USA
  • NexGen Digital
  • NTEMALL
  • Quest
  • SEMIX
  • Sense Electronic
  • Sensible Micro Corp
  • Shengyu Electronics
  • Velocity Electronics
  • Vyrian
  • Win Source Electronics
  • Xinglight
Show Filters
Select Manufacturer

Update Alert Settings for: 3000BM

Select Manufacturer
Which Manufacturer of 3000BM would you like to use for your alert(s)?
  • Please alert me when 3000BM inventory levels are or equal to a quantity of from one of my selected distributors.
  • Also alert me for 3000BM 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
  • Please alert me when the single part price for 3000BM 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 · Expired on
  • Also alert me for 3000BM alternates
    An alert is already set for the following part(s): . Any existing alert will be overwritten and set as a new alert.

Your part alert has been saved!

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

Your part alert has been saved!

Register
Password Guidelines

Is at least 8 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 (!#$%^&*)

Alert is successfully saved for 3000BM.
Looks like you've reached your alert limit!  Please delete some alerts or contact us if you need help.
Top of Page ↑

Newark Authorized Distributor

Part # Manufacturer Description Stock Price Price Range Buy
RFLW5N3000BMNWS DISTI # 87AH6547
Vishay Intertechnologies Rflw 20% Ws |Vishay RFLW5N3000BMNWS RoHS: Not Compliant Min Qty: 250 Package Multiple: 1 Date Code: 0 Container: Bulk RFLW5N3000BMNWS Part Details 0
  • 250 $11.5600
$11.5600 Buy Now RFLW5N3000BMNWS Part Details
Top of Page ↑

DigiKey ECIA (NEDA) Member • Authorized Distributor

Part # Manufacturer Description Stock Price Price Range Buy
3225S43000BMDAEBMEC-CT DISTI # 3305-3225S43000BMDAEBMEC-CT-ND
Hong Kong X'Tals Ltd Crystal: 30MHz, 10ppm, 13ppm, 1 Min Qty: 1 Container: Strip MARKETPLACE PRODUCT 3225S43000BMDAEBMEC-... Part Details 3654
In Stock
  • 1000 $0.2990
  • 100 $0.3330
  • 10 $0.3700
  • 1 $0.4000
$0.2990 / $0.4000 Buy Now 3225S43000BMDAEBMEC-... Part Details
3225S43000BMDAEBMEC-TR DISTI # 3305-3225S43000BMDAEBMEC-TR-ND
Hong Kong X'Tals Ltd Crystal: 30MHz, 10ppm, 13ppm, 1 Min Qty: 3000 Container: Tape & Reel (TR) MARKETPLACE PRODUCT 3225S43000BMDAEBMEC-... Part Details 3000
In Stock
  • 9000 $0.2190
  • 6000 $0.2420
  • 3000 $0.2710
$0.2190 / $0.2710 Buy Now 3225S43000BMDAEBMEC-... Part Details
3225S43000BMDAHDGEE-TR DISTI # 3305-3225S43000BMDAHDGEE-TR-ND
Hong Kong X'Tals Ltd CRYSTAL 30MHZ -40 ~ +85C 16PF Min Qty: 3000 Lead time: 12 Weeks Container: Tape & Reel (TR) MARKETPLACE PRODUCT 3225S43000BMDAHDGEE-... Part Details 3000
In Stock
  • 15000 $0.1620
  • 12000 $0.1800
  • 9000 $0.2000
  • 6000 $0.2230
  • 3000 $0.2570
$0.1620 / $0.2570 Buy Now 3225S43000BMDAHDGEE-... Part Details
3225S43000BMDBBBMEC-TR DISTI # 3305-3225S43000BMDBBBMEC-TR-ND
Hong Kong X'Tals Ltd CRYSTAL 30MHZ -20 ~ +85C 9.5PF Min Qty: 3000 Lead time: 12 Weeks Container: Tape & Reel (TR) MARKETPLACE PRODUCT 3225S43000BMDBBBMEC-... Part Details 3000
In Stock
  • 15000 $0.1860
  • 12000 $0.2070
  • 9000 $0.2300
  • 6000 $0.2550
  • 3000 $0.2850
$0.1860 / $0.2850 Buy Now 3225S43000BMDBBBMEC-... Part Details
3225S43000BMDAEBEEE-TR DISTI # 3305-3225S43000BMDAEBEEE-TR-ND
Hong Kong X'Tals Ltd CRYSTAL 30MHZ -40 ~ +85C 10PF Min Qty: 3000 Lead time: 12 Weeks Container: Tape & Reel (TR) MARKETPLACE PRODUCT 3225S43000BMDAEBEEE-... Part Details 3000
In Stock
  • 15000 $0.1620
  • 12000 $0.1800
  • 9000 $0.2000
  • 6000 $0.2230
  • 3000 $0.2570
$0.1620 / $0.2570 Buy Now 3225S43000BMDAEBEEE-... Part Details
3225S43000BMDAEBEEE-CT DISTI # 3305-3225S43000BMDAEBEEE-CT-ND
Hong Kong X'Tals Ltd CRYSTAL 30MHZ -40 ~ +85C 10PF Min Qty: 1 Lead time: 12 Weeks Container: Strip MARKETPLACE PRODUCT 3225S43000BMDAEBEEE-... Part Details 1520
In Stock
  • 1000 $0.2750
  • 100 $0.3060
  • 10 $0.3830
  • 1 $0.4600
$0.2750 / $0.4600 Buy Now 3225S43000BMDAEBEEE-... Part Details
RFLW3N3000BMNT5 DISTI # 909-RFLW3N3000BMNT5CT-ND
Vishay Electro-Films FIXED IND 30NH 2.5 OHM SMD Min Qty: 1 Lead time: 9 Weeks Container: Cut Tape (CT), Digi-Reel®, Tape & Reel (TR) RFLW3N3000BMNT5 Part Details 453
In Stock
  • 500 $5.2375
  • 250 $6.1362
  • 100 $6.2421
  • 50 $6.5594
  • 25 $6.7712
  • 10 $7.3000
  • 1 $8.4600
$5.2375 / $8.4600 Buy Now RFLW3N3000BMNT5 Part Details
3225S43000BMDBBBMEC-CT DISTI # 3305-3225S43000BMDBBBMEC-CT-ND
Hong Kong X'Tals Ltd CRYSTAL 30MHZ -20 ~ +85C 9.5PF Min Qty: 1 Lead time: 12 Weeks Container: Strip MARKETPLACE PRODUCT 3225S43000BMDBBBMEC-... Part Details 360
In Stock
  • 1000 $0.3150
  • 100 $0.3500
  • 10 $0.3890
  • 1 $0.4300
$0.3150 / $0.4300 Buy Now 3225S43000BMDBBBMEC-... Part Details
3225S43000BMDAHDGEE-CT DISTI # 3305-3225S43000BMDAHDGEE-CT-ND
Hong Kong X'Tals Ltd CRYSTAL 30MHZ -40 ~ +85C 16PF Min Qty: 1 Lead time: 12 Weeks Container: Strip MARKETPLACE PRODUCT 3225S43000BMDAHDGEE-... Part Details 290
In Stock
  • 1000 $0.2750
  • 100 $0.3060
  • 10 $0.3830
  • 1 $0.4600
$0.2750 / $0.4600 Buy Now 3225S43000BMDAHDGEE-... Part Details
RFLW3N3000BMNT1 DISTI # 909-RFLW3N3000BMNT1TR-ND
Vishay Electro-Films RFLW 20% T1 Min Qty: 250 Lead time: 9 Weeks Container: Tape & Reel (TR) RFLW3N3000BMNT1 Part Details Temporarily Out of Stock
  • 250 $9.7505
$9.7505 Buy Now RFLW3N3000BMNT1 Part Details
RFLW5N3000BMNWS DISTI # 909-RFLW5N3000BMNWS-ND
Vishay Electro-Films RFLW 20% WS Min Qty: 250 Lead time: 9 Weeks Container: Tray RFLW5N3000BMNWS Part Details Temporarily Out of Stock
  • 250 $11.5554
$11.5554 Buy Now RFLW5N3000BMNWS Part Details
RFLW3N3000BMNCS DISTI # 909-RFLW3N3000BMNCS-ND
Vishay Electro-Films RFLW 20% WS Min Qty: 250 Lead time: 11 Weeks Container: Tray RFLW3N3000BMNCS Part Details Temporarily Out of Stock
  • 250 $9.7505
$9.7505 Buy Now RFLW3N3000BMNCS Part Details
RFLW3N3000BMNWS DISTI # 909-RFLW3N3000BMNWS-ND
Vishay Electro-Films RFLW 20% WS Min Qty: 250 Lead time: 9 Weeks Container: Tray RFLW3N3000BMNWS Part Details Temporarily Out of Stock
  • 250 $9.7505
$9.7505 Buy Now RFLW3N3000BMNWS Part Details
MG-3000-B-MD-R DISTI # MG-3000-B-MD-R-ND
Amphenol SSI SENSOR 3000 PSI 4-20 MA 1/8 NPT Min Qty: 10 Lead time: 18 Weeks Container: Box MG-3000-B-MD-R Part Details Temporarily Out of Stock
  • 10 $173.5940
$173.5940 Buy Now MG-3000-B-MD-R Part Details

View all '3000BM' results from DigiKey

Top of Page ↑

Avnet Americas Authorized Distributor

Part # Manufacturer Description Stock Price Price Range Buy
RFLW3N3000BMNCS DISTI # RFLW3N3000BMNCS
Vishay Intertechnologies High Frequency Chip Inductor Molded/Unshielded Wirewound 30nH 20% 250MHz 13Q-Factor Waffle - Waffle Pack (Alt: RFLW3N3000BMNCS) Min Qty: 250 Package Multiple: 1 Container: Waffle Pack RFLW3N3000BMNCS Part Details 0
  • 25000 $2.7816
  • 13000 $2.8500
  • 2500 $3.4798
  • 1300 $4.2312
  • 510 $6.0129
  • 260 $9.7387
  • 250 $9.9225
$2.7816 / $9.9225 Buy Now RFLW3N3000BMNCS Part Details
Y00891K43000BM0L DISTI # Y00891K43000BM0L
VPG Transducers Resistor Metal Foil 1.43kOhm 0.1% Bulk - Bulk (Alt: Y00891K43000BM0L) RoHS: Not Compliant Min Qty: 25 Package Multiple: 1 Container: Bulk Y00891K43000BM0L Part Details 0
  • 2500 $11.2240
  • 1300 $11.5920
  • 250 $12.2200
  • 130 $13.2526
  • 60 $17.7606
  • 30 $20.3628
  • 25 $20.9364
$11.2240 / $20.9364 Buy Now Y00891K43000BM0L Part Details
Y008952K3000BM0L DISTI # Y008952K3000BM0L
VPG Transducers Resistor Metal Foil 52.3kOhm 0.1% Bulk - Bulk (Alt: Y008952K3000BM0L) RoHS: Not Compliant Min Qty: 25 Package Multiple: 1 Container: Bulk Y008952K3000BM0L Part Details 0
  • 2500 $14.6156
  • 1300 $15.0948
  • 250 $15.8990
  • 130 $17.2458
  • 60 $23.0460
  • 30 $26.4830
  • 25 $27.2290
$14.6156 / $27.2290 Buy Now Y008952K3000BM0L Part Details
RFLW3N3000BMNWS DISTI # RFLW3N3000BMNWS
Vishay Intertechnologies RFLW 30X30 NO PASS 30 NH 20% WS - Waffle Pack (Alt: RFLW3N3000BMNWS) RoHS: Compliant Min Qty: 250 Package Multiple: 1 Lead time: 7 Weeks, 0 Days Container: Waffle Pack RFLW3N3000BMNWS Part Details 0
  • 25000 $2.7816
  • 13000 $2.8500
  • 2500 $3.4798
  • 1300 $4.2312
  • 510 $6.0129
  • 260 $9.7387
  • 250 $9.9225
$2.7816 / $9.9225 Buy Now RFLW3N3000BMNWS Part Details
Y00891K33000BM0L DISTI # Y00891K33000BM0L
VPG Transducers Resistor Metal Foil 1.33kOhm 0.1% Bulk - Bulk (Alt: Y00891K33000BM0L) RoHS: Not Compliant Min Qty: 25 Package Multiple: 1 Container: Bulk Y00891K33000BM0L Part Details 0
  • 2500 $11.2240
  • 1300 $11.5920
  • 250 $12.2200
  • 130 $13.2526
  • 60 $17.7606
  • 30 $20.3628
  • 25 $20.9364
$11.2240 / $20.9364 Buy Now Y00891K33000BM0L Part Details
RNR75J3000BMM77 DISTI # RNR75J3000BMM77
Vishay Intertechnologies HDN-75 300 .1% T-9 RNR75J3000BM M77 - Bulk (Alt: RNR75J3000BMM77) RoHS: Not Compliant Min Qty: 25 Package Multiple: 25 Container: Bulk RNR75J3000BMM77 Part Details 0
  • 2500 $220.6126
  • 250 $226.0375
  • 200 $229.6541
  • 150 $233.2707
  • 100 $236.8873
  • 50 $256.1225
  • 25 $413.8290
$220.6126 / $413.8290 Buy Now RNR75J3000BMM77 Part Details
MG-3000-B-M12-R DISTI # MG-3000-B-M12-R
Amphenol Corporation DIGITAL GAUGE, 3000PSI, 9V, 1/8"" NPT, LC - Bulk (Alt: MG-3000-B-M12-R) RoHS: Compliant Min Qty: 1 Package Multiple: 1 Lead time: 16 Weeks, 0 Days Container: Bulk MG-3000-B-M12-R Part Details 0
  • 1 $108.4275
$108.4275 Buy Now MG-3000-B-M12-R Part Details
Y00893K83000BM0L DISTI # Y00893K83000BM0L
VPG Transducers Resistor Metal Foil 3.83kOhm 0.1% Bulk - Bulk (Alt: Y00893K83000BM0L) RoHS: Not Compliant Min Qty: 25 Package Multiple: 1 Container: Bulk Y00893K83000BM0L Part Details 0
  • 2500 $11.2240
  • 1300 $11.5920
  • 250 $12.2200
  • 130 $13.2526
  • 60 $17.7606
  • 30 $20.3628
  • 25 $20.9364
$11.2240 / $20.9364 Buy Now Y00893K83000BM0L Part Details
Y008924K3000BM0L DISTI # Y008924K3000BM0L
VPG Transducers Resistor Metal Foil 24.3kOhm 0.1% Bulk - Bulk (Alt: Y008924K3000BM0L) RoHS: Not Compliant Min Qty: 25 Package Multiple: 1 Container: Bulk Y008924K3000BM0L Part Details 0
  • 2500 $11.2240
  • 1300 $11.5920
  • 250 $12.2200
  • 130 $13.2526
  • 60 $17.7606
  • 30 $20.3628
  • 25 $20.9364
$11.2240 / $20.9364 Buy Now Y008924K3000BM0L Part Details
Y008913K3000BM13L DISTI # Y008913K3000BM13L
VPG Transducers RNC90Y13K300BM SLDC 150743 - Bulk (Alt: Y008913K3000BM13L) RoHS: Not Compliant Min Qty: 25 Package Multiple: 1 Container: Bulk Y008913K3000BM13L Part Details 0
  • 2500 $14.0422
  • 1300 $14.5026
  • 250 $15.2750
  • 130 $16.5758
  • 60 $22.2180
  • 30 $25.4606
  • 25 $26.1778
$14.0422 / $26.1778 Buy Now Y008913K3000BM13L Part Details
Y00896K43000BM0L DISTI # Y00896K43000BM0L
VPG Transducers Resistor Metal Foil 6.43kOhm 0.1% Bulk - Bulk (Alt: Y00896K43000BM0L) RoHS: Not Compliant Min Qty: 25 Package Multiple: 1 Container: Bulk Y00896K43000BM0L Part Details 0
  • 2500 $11.2240
  • 1300 $11.5920
  • 250 $12.2200
  • 130 $13.2526
  • 60 $17.7606
  • 30 $20.3628
  • 25 $20.9364
$11.2240 / $20.9364 Buy Now Y00896K43000BM0L Part Details
Y008921K3000BM0L DISTI # Y008921K3000BM0L
VPG Transducers Resistor Metal Foil 21.3kOhm 0.1% Bulk - Bulk (Alt: Y008921K3000BM0L) RoHS: Not Compliant Min Qty: 25 Package Multiple: 1 Container: Bulk Y008921K3000BM0L Part Details 0
  • 2500 $11.2240
  • 1300 $11.5920
  • 250 $12.2200
  • 130 $13.2526
  • 60 $17.7606
  • 30 $20.3628
  • 25 $20.9364
$11.2240 / $20.9364 Buy Now Y008921K3000BM0L Part Details
Y008914K3000BM0L DISTI # Y008914K3000BM0L
VPG Transducers Resistor Metal Foil 14.3kOhm 0.1% Bulk - Bulk (Alt: Y008914K3000BM0L) RoHS: Not Compliant Min Qty: 25 Package Multiple: 1 Container: Bulk Y008914K3000BM0L Part Details 0
  • 2500 $11.2240
  • 1300 $11.5920
  • 250 $12.2200
  • 130 $13.2526
  • 60 $17.7606
  • 30 $20.3628
  • 25 $20.9364
$11.2240 / $20.9364 Buy Now Y008914K3000BM0L Part Details
Y008913K3000BM0L DISTI # Y008913K3000BM0L
VPG Transducers Resistor Metal Foil 13.3kOhm 0.1% Bulk - Bulk (Alt: Y008913K3000BM0L) RoHS: Not Compliant Min Qty: 25 Package Multiple: 1 Container: Bulk Y008913K3000BM0L Part Details 0
  • 2500 $11.2240
  • 1300 $11.5920
  • 250 $12.2200
  • 130 $13.2526
  • 60 $17.7606
  • 30 $20.3628
  • 25 $20.9364
$11.2240 / $20.9364 Buy Now Y008913K3000BM0L Part Details
RFLW3N3000BMNT1 DISTI # RFLW3N3000BMNT1
Vishay Intertechnologies RFLW 30X30 NO PASS 30 NH 20% T1 - Bulk (Alt: RFLW3N3000BMNT1) Min Qty: 250 Package Multiple: 1 Lead time: 7 Weeks, 0 Days Container: Bulk RFLW3N3000BMNT1 Part Details 0
  • 25000 $2.7816
  • 13000 $2.8500
  • 2500 $3.4798
  • 1300 $4.2312
  • 510 $6.0129
  • 260 $9.7387
  • 250 $9.9225
$2.7816 / $9.9225 Buy Now RFLW3N3000BMNT1 Part Details

View all '3000BM' results from Avnet Americas

View all '3000BM' results from Avnet Americas

Top of Page ↑

Mouser Electronics ECIA (NEDA) Member • Authorized Distributor

Part # Manufacturer Description Stock Price Price Range Buy
RFLW3N3000BMNT5 DISTI # 75-RFLW3N3000BMNT5
Vishay Intertechnologies RF Inductors - SMD 30nH 20% 30 x 30 No Pass RoHS: Compliant RFLW3N3000BMNT5 Part Details 1266
  • 1 $8.4600
  • 10 $7.3000
  • 25 $6.7800
  • 50 $6.5600
  • 100 $6.2500
  • 250 $6.1400
  • 500 $6.0500
  • 1000 $5.7500
$5.7500 / $8.4600 Buy Now RFLW3N3000BMNT5 Part Details
MG-3000-B-M12-R DISTI # 297-MG-3000-B-M12-R
Amphenol Corporation Amphenol DIGITAL GAUGE, 3000PSI, 9V, 1/8" NPT, LCD, M12 RoHS: Compliant MG-3000-B-M12-R Part Details 0
  • 1 $147.8400
  • 10 $133.9800
  • 25 $129.3600
  • 50 $125.8000
$125.8000 / $147.8400 Order Now MG-3000-B-M12-R Part Details
MG-3000-B-MD-R DISTI # 297-MG-3000-B-MD-R
Amphenol Corporation Industrial Pressure Sensors DIGITAL GAUGE, 3000PSI, 9V, 1/8" NPT, LCD RoHS: Compliant MG-3000-B-MD-R Part Details 0
  • 1 $189.3600
  • 10 $173.5800
  • 25 $169.5100
$169.5100 / $189.3600 Order Now MG-3000-B-MD-R Part Details
Top of Page ↑

RS (Formerly Allied Electronics & Automation)

Part # Manufacturer Description Stock Price Price Range Buy
PSD2-CR3.000-BM DISTI # 72168923
Fabco-Air Cylinder, industry interchangeable,3/4" Bore, sgl rod, dbl act, Pancake II | Fabco-Air PSD2-CR3.000-BM RoHS: Not Compliant Min Qty: 1 Package Multiple: 1 Container: Bulk PSD2-CR3.000-BM Part Details 0
  • 1 $125.1300
$125.1300 RFQ PSD2-CR3.000-BM Part Details
PSD7-TF3.000-BMT3X1 DISTI # 72165304
Fabco-Air Cylinder, industry interchangeable,3" Bore, sgl rod, dbl act, Pancake II | Fabco-Air PSD7-TF3.000-BMT3X1 RoHS: Not Compliant Min Qty: 1 Package Multiple: 1 Container: Bulk PSD7-TF3.000-BMT3X1 Part Details 0
  • 1 $385.4300
$385.4300 RFQ PSD7-TF3.000-BMT3X1 Part Details
Top of Page ↑

Heilind Electronics ECIA (NEDA) Member • Authorized Distributor

Part # Manufacturer Description Stock Price Price Range Buy
MG-3000-B-M12-R DISTI # ATHMG-3000-B-M12-R
Amphenol SSI DIGITAL GAUGE, 3000PSI, 9V, 18 NPT, LCD, M12 MG-3000-B-M12-R Part Details Americas - 0 in Stock   Buy Now MG-3000-B-M12-R Part Details
Top of Page ↑

TTI ECIA (NEDA) Member • Authorized Distributor

Part # Manufacturer Description Stock Price Price Range Buy
RFLW3N3000BMNWS DISTI # RFLW3N3000BMNWS
Vishay Intertechnologies RF Inductors - SMD 30 NH 20% HIGH FREQUENCY RoHS: Compliant pbFree: Pb-Free Min Qty: 250 Package Multiple: 100 Container: WAFL RFLW3N3000BMNWS Part Details Americas - 0
  • 250 $9.5900
  • 500 $9.1500
  • 1000 $5.5800
  • 1300 $4.3800
  • 2500 $3.8200
  • 5000 $3.7400
  • 10000 $3.4800
$3.4800 / $9.5900 Buy Now RFLW3N3000BMNWS Part Details

Associated Part Details

Most Popular Rectifier Diodes

Most Popular Part Numbers