Findchips Blog

r0613 price and stock

r0613 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
  • Arrow
  • Avnet Americas
  • Bisco
  • Blume Elektronik
  • Braemac Americas-Symmetry
  • CDM Electronics
  • Chip One Stop
  • ChipNobo Co., Limited
  • Coilcraft
  • ComSIT USA
  • Cytech Systems Limited
  • DB Roberts
  • DigiKey
  • Dynamic Solutions
  • ECCO
  • element14
  • Fairview Microwave
  • Farnell
  • 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
  • NXP
  • Onlinecomponents.com
  • Pasternack Enterprises
  • PEI Genesis
  • Perfect Parts
  • Powell Electronics
  • PUI
  • RECOM Power
  • Richardson RFPD
  • Rochester
  • RS
  • Rutronik
  • Sager
  • Samtec
  • SiTime Corporation
  • STMicroelectronics
  • Teledyne e2v
  • TME
  • TTI
  • Venkel Ltd.
  • Verical
  • Waytek, Inc.
  • Wuhan P&S

Independent Distributors

  • Ameya
  • Bristol
  • Chip 1 Exchange
  • Chip Stock
  • Chip-Germany GmbH
  • Component Electronics, Inc
  • Futuretech Components
  • Greenchips
  • IBS Electronics
  • LCSC
  • MacroQuest
  • Neutron USA
  • NexGen Digital
  • Quest
  • SEMICONN
  • Sense Electronic
  • Sensible Micro Corp
  • Shengyu Electronics
  • Unikey Electronic
  • Utmel Electronic
  • Vyrian
  • Win Source Electronics
Show Filters
Select Manufacturer

Update Alert Settings for: r0613

Select Manufacturer
Which Manufacturer of r0613 would you like to use for your alert(s)?
Inventory Alert
  • Please alert me when r0613 inventory levels are or equal to a quantity of from one of my selected distributors.
  • Also alert me for r0613 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 r0613 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 r0613 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

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 (!#$%^&*)

Alert is successfully saved for r0613.
Looks like you've reached your alert limit!  Please delete some alerts or contact us if you need help.
arrow upTOP
Price includes all import duties and tariffs for applicable products

Newark Authorized Distributor

Part # Manufacturer Description Stock Price Price Range Buy
MC0805N150J101CT DISTI # 33R0613
SPC Multicomp Smd Multilayer Ceramic Capacitor, Mc Series, 15 Pf, 5%, C0G/Np0, 100 V, 0805 [2012 Metric] Rohs Compliant: Yes |Multicomp Pro MC0805N150J101CT RoHS: Compliant Min Qty: 1 Package Multiple: 1 Date Code: 0 Container: Cut Tape MC0805N150J101CT Part Details 5000
  • 1 $0.0020
  • 250 $0.0020
  • 500 $0.0020
  • 1000 $0.0020
  • 5000 $0.0020
$0.0020 Buy Now MC0805N150J101CT Part Details
MCKPCM-60H50-40DB-4805 DISTI # 25R0613
SPC Multicomp Microphone, Microphone Type:Ecm, Directivity:-, Acoustic Overload Point (Aop):-, Supply Voltage Min:2V, Supply Voltage Max:10V, Sensitivity (Db):-40Db, Impedance:-, Sensor Case/Package:Smd, No. Of Pins:2Pins, Ip Rating:- Rohs Compliant: Yes |Multicomp Pro MCKPCM-60H50-40DB-4805 RoHS: Compliant Min Qty: 1 Package Multiple: 1 Date Code: 0 Container: Bulk MCKPCM-60H50-40DB-48... Part Details 2228
  • 1 $1.0800
  • 10 $0.6700
  • 100 $0.5580
  • 500 $0.3970
  • 1000 $0.3600
  • 5000 $0.3080
  • 10000 $0.2730
  • 25000 $0.2600
$0.2600 / $1.0800 Buy Now MCKPCM-60H50-40DB-48... Part Details
5988510207F DISTI # 75R0613
Dialight Multicolor Led, 1208, Red/Green, Led Color:Green, Red, Led Mounting:Smd, Bulb Size:-, Viewing Angle:160°, Lens Shape:Round, Forward Current/Color:R 20Ma, G 20Ma, Luminous Intensity/Color:R 60Mcd, G 40Mcd, Product Range:598 Seriesrohs Compliant: Yes |Dialight 5988510207F RoHS: Compliant Min Qty: 1 Package Multiple: 1 Date Code: 1 Container: Cut Tape 5988510207F Part Details 1551
  • 1 $0.3200
  • 25 $0.2220
  • 50 $0.1950
  • 100 $0.1670
  • 250 $0.1550
  • 500 $0.1420
  • 1000 $0.1340
$0.1340 / $0.3200 Buy Now 5988510207F Part Details
EYGR0613ZLSE DISTI # 46AK9085
Panasonic Electronic Components Graphite Sheet, 128Mm X 61Mm, 250Um Rohs Compliant: Yes |Panasonic EYGR0613ZLSE RoHS: Compliant Min Qty: 1 Package Multiple: 1 Date Code: 0 Container: Bulk EYGR0613ZLSE Part Details 9
  • 1 $31.7500
  • 10 $30.7600
  • 25 $29.7700
  • 50 $28.6100
  • 100 $27.6800
  • 250 $26.7500
  • 500 $26.5100
$26.5100 / $31.7500 Buy Now EYGR0613ZLSE Part Details
CFR16J1K8 DISTI # 22R0613
TE Connectivity Through Hole Carbon Film Resistor, Cfr Series, 1.8 Kohm, 250 Mw, - 5%, 200 V, Axial Leaded |Neohm Te Connectivity CFR16J1K8 RoHS: Not Compliant Min Qty: 10000 Package Multiple: 1 Date Code: 0 Container: Bulk CFR16J1K8 Part Details 0
  • 5000 $0.0110
$0.0110 Buy Now CFR16J1K8 Part Details
RKM 36-9M DISTI # 39R0613
TURCK Inc Cmn |Turck RKM 36-9M RoHS: Not Compliant Min Qty: 1 Package Multiple: 1 Date Code: 0 Container: Bulk RKM 36-9M Part Details 0
  • 1 $90.1700
$90.1700 Buy Now RKM 36-9M Part Details
ZS-LD130 2M DISTI # 73R0613
OMRON Industrial Automation Zs, Sensor Heads 130Mm |Omron Industrial Automation ZS-LD130 2M RoHS: Not Compliant Min Qty: 1 Package Multiple: 1 Date Code: 0 Container: Bulk ZS-LD130 2M Part Details 0
  • 1 $7,628.0801
  • 5 $7,392.1602
  • 10 $7,234.8799
  • 25 $7,077.6001
  • 50 $6,881.0000
$6,881.0000 / $7,628.0801 Buy Now ZS-LD130 2M Part Details
5-644769-0 DISTI # 19R0613
TE Connectivity 20P Mta156 Hdr Assy R/A Sq Lf |Amp Te Connectivity 5-644769-0 RoHS: Not Compliant Min Qty: 500 Package Multiple: 1 Date Code: 0 Container: Bulk 5-644769-0 Part Details 0
  • 500 $8.1400
$8.1400 Buy Now 5-644769-0 Part Details
0070.9581.A2 DISTI # 53R0613
Schurter Electronic Components Avts Varistor 95Vac 20Mm Tht |Schurter 0070.9581.A2 RoHS: Not Compliant Min Qty: 500 Package Multiple: 1 Date Code: 0 Container: Bulk 0070.9581.A2 Part Details 0   Buy Now 0070.9581.A2 Part Details
CAT25160YI-GT3 DISTI # 06R0613
onsemi 16Kb Spi Ser Cmos Eeprom Rohs Compliant: Yes |Onsemi CAT25160YI-GT3 RoHS: Compliant Min Qty: 3000 Package Multiple: 1 Date Code: 0 Container: Tape & Reel CAT25160YI-GT3 Part Details 0
  • 3000 $0.2940
  • 6000 $0.2720
  • 12000 $0.2540
  • 18000 $0.2370
  • 30000 $0.2260
$0.2260 / $0.2940 Buy Now CAT25160YI-GT3 Part Details
ALR-BF-208-277 DISTI # 87R0613
TE Connectivity Alr-Bf-208-277 |Energydivision Te Connectivity ALR-BF-208-277 RoHS: Not Compliant Min Qty: 168 Package Multiple: 1 Date Code: 0 Container: Bulk ALR-BF-208-277 Part Details 0
  • 100 $23.5000
  • 250 $22.6200
  • 500 $21.8600
$21.8600 / $23.5000 Buy Now ALR-BF-208-277 Part Details
FTS-106-01-L-DV-A DISTI # 01R0613
Samtec Inc "micro Low Profile Header Strips" Rohs Compliant: Yes |Samtec FTS-106-01-L-DV-A RoHS: Compliant Min Qty: 1 Package Multiple: 1 Date Code: 0 Container: Bulk FTS-106-01-L-DV-A Part Details 0
  • 1 $2.2300
  • 50 $2.0400
  • 100 $1.8200
  • 500 $1.5800
  • 1000 $1.3800
$1.3800 / $2.2300 Buy Now FTS-106-01-L-DV-A Part Details
PTN0805E4751BBT1 DISTI # 43R0613
Vishay Intertechnologies Ptn0805 25Ppm 4.75K 0.1% B T1 |Vishay PTN0805E4751BBT1 RoHS: Not Compliant Min Qty: 1000 Package Multiple: 1 Date Code: 0 Container: Tape & Reel PTN0805E4751BBT1 Part Details 0
  • 1000 $1.0900
  • 2000 $0.9820
  • 4000 $0.8820
  • 6000 $0.8500
  • 10000 $0.8320
$0.8320 / $1.0900 Buy Now PTN0805E4751BBT1 Part Details
TSW-115-24-T-S-LL DISTI # 02R0613
Samtec Inc Header, 2.54Mm, Through Hole Vertical, 15 Position, Connector Systems:Board-To-Board, Pitch Spacing:2.54Mm, No. Of Rows:1Rows, No. Of Contacts:15Contacts, Contact Termination Type:Through Hole, Product Range:Tsw Series Rohs Compliant: Yes |Samtec TSW-115-24-T-S-LL RoHS: Compliant Min Qty: 1 Package Multiple: 1 Date Code: 0 Container: Bulk TSW-115-24-T-S-LL Part Details 0
  • 1 $1.0500
  • 10 $0.9190
  • 100 $0.7920
  • 500 $0.6480
  • 1000 $0.5780
  • 2500 $0.5210
  • 5000 $0.5040
  • 10000 $0.4790
$0.4790 / $1.0500 Buy Now TSW-115-24-T-S-LL Part Details
PT600R-11-LI3-H1131 DISTI # 38R0613
TURCK Inc Pre |Turck PT600R-11-LI3-H1131 RoHS: Not Compliant Min Qty: 1 Package Multiple: 1 Date Code: 0 Container: Bulk PT600R-11-LI3-H1131 Part Details 0
  • 1 $309.6100
$309.6100 Buy Now PT600R-11-LI3-H1131 Part Details

View all 'r0613' results from Newark

View all 'r0613' results from Newark

DigiKey ECIA (NEDA) Member • Authorized Distributor

Part # Manufacturer Description Stock Price Price Range Buy
R06-131V50PC0.1% Resistor Kit DISTI # 3838-R06-131V50PC0.1%ResistorKitTB-ND
Analog Technologies Inc 131 values-0603 size-50pcs/value Min Qty: 1 Container: Tape & Box (TB) MARKETPLACE PRODUCT R06-131V50PC0.1% RES... Part Details 4
In Stock
  • 1 $262.9000
$262.9000 Buy Now R06-131V50PC0.1% RES... Part Details
HIGH PRECISON RESISTOR KITS R06-131V50PC0_1% DISTI # 4022-HIGHPRECISONRESISTORKITSR06-131V50PC0_1%-ND
Analog Technologies Inc 0.1% 0603 SIZE 131 VALUES 50PCS/ Min Qty: 1 Lead time: 2 Weeks Container: Box HIGH PRECISON RESIST... Part Details 3
In Stock
  • 25 $290.1728
  • 10 $293.6180
  • 1 $308.5800
$290.1728 / $308.5800 Buy Now HIGH PRECISON RESIST... Part Details
R06-131V100PC0.1% Resistor Kit DISTI # 3838-R06-131V100PC0.1%ResistorKitTB-ND
Analog Technologies Inc 131 values-0603 size-100pcs/valu Min Qty: 1 Container: Tape & Box (TB) MARKETPLACE PRODUCT R06-131V100PC0.1% RE... Part Details 3
In Stock
  • 1 $394.9000
$394.9000 Buy Now R06-131V100PC0.1% RE... Part Details
HIGH PRECISON RESISTOR KITS R06-131V200PC0_1% DISTI # 4022-HIGHPRECISONRESISTORKITSR06131V200PC01%-ND
Analog Technologies Inc 0.1% 0603 SIZE 131 VALUES 200PCS Min Qty: 1 Lead time: 2 Weeks Container: Box HIGH PRECISON RESIST... Part Details 2
In Stock
  • 10 $698.7240
  • 1 $723.0100
$698.7240 / $723.0100 Buy Now HIGH PRECISON RESIST... Part Details
HIGH PRECISON RESISTOR KITS R06-131V100PC0_1% DISTI # 4022-HIGHPRECISONRESISTORKITSR06131V100PC01%-ND
Analog Technologies Inc 0.1% 0603 SIZE 131 VALUES 100PCS Min Qty: 1 Lead time: 2 Weeks Container: Box HIGH PRECISON RESIST... Part Details 2
In Stock
  • 10 $437.7540
  • 1 $456.4600
$437.7540 / $456.4600 Buy Now HIGH PRECISON RESIST... Part Details
R06-131V500PC0.1% Resistor Kit DISTI # 3838-R06-131V500PC0.1%ResistorKitTB-ND
Analog Technologies Inc 131 values-0603 size-500pcs/valu Min Qty: 1 Container: Tape & Box (TB) MARKETPLACE PRODUCT R06-131V500PC0.1% RE... Part Details 2
In Stock
  • 1 $1,319.9000
$1,319.9000 Buy Now R06-131V500PC0.1% RE... Part Details
R06-131V200PC0.1% Resistor Kit DISTI # 3838-R06-131V200PC0.1%ResistorKitTB-ND
Analog Technologies Inc 131 values-0603 size-200pcs/valu Min Qty: 1 Container: Tape & Box (TB) MARKETPLACE PRODUCT R06-131V200PC0.1% RE... Part Details 1
In Stock
  • 1 $634.9000
$634.9000 Buy Now R06-131V200PC0.1% RE... Part Details
EYG-R0613ZRSE DISTI # 10-EYG-R0613ZRSE-ND
Panasonic Electronic Components THERM PAD 128MMX61MM GRAY Min Qty: 1 Lead time: 10 Weeks Container: Bulk EYG-R0613ZRSE Part Details Temporarily Out of Stock
  • 500 $16.6546
  • 250 $17.2825
  • 100 $18.1478
  • 50 $18.8300
  • 30 $19.3487
  • 10 $20.5120
  • 1 $23.1800
$16.6546 / $23.1800 Buy Now EYG-R0613ZRSE Part Details
9202388R0613 DISTI # 4627-9202388R0613-ND
Ease Electronics Co Ltd COAX CBL BNC TO BNC 36" Min Qty: 100 Lead time: 12 Weeks Container: Bag 9202388R0613 Part Details Temporarily Out of Stock
  • 100 $8.8930
$8.8930 Buy Now 9202388R0613 Part Details
ELFR06130E DISTI # ELFR06130E-ND
Amphenol PCD 5MM/.198" REVERSED R/A HDR CLOSE Min Qty: 100 Lead time: 15 Weeks Container: Bulk ELFR06130E Part Details Temporarily Out of Stock
  • 100 $1.4425
$1.4425 Buy Now ELFR06130E Part Details
EYG-R0613ZLSE DISTI # 10-EYG-R0613ZLSE-ND
Panasonic Electronic Components THERM PAD 128MMX61MM GRAY Min Qty: 20 Lead time: 10 Weeks Container: Bulk EYG-R0613ZLSE Part Details Temporarily Out of Stock
  • 20 $14.2250
$14.2250 Buy Now EYG-R0613ZLSE Part Details
ELFR06130 DISTI # ELFR06130-ND
Amphenol PCD 5MM/.198" REVERSED R/A HDR CLOSE Min Qty: 100 Lead time: 15 Weeks Container: Bulk ELFR06130 Part Details Temporarily Out of Stock
  • 100 $0.9192
$0.9192 Buy Now ELFR06130 Part Details

View all 'r0613' results from DigiKey

Avnet Americas Authorized Distributor

Part # Manufacturer Description Stock Price Price Range Buy
CER0613A DISTI # CER0613A
CTS Corporation - Tape and Reel (Alt: CER0613A) COO: China RoHS: Compliant Min Qty: 100 Package Multiple: 100 Lead time: 8 Weeks, 0 Days Container: Tape & Reel CER0613A Part Details 0   RFQ CER0613A Part Details

Mouser Electronics ECIA (NEDA) Member • Authorized Distributor

Part # Manufacturer Description Stock Price Price Range Buy
2TLA050040R0613 DISTI # 894-2TLA050040R0613
ABB Low Voltage Products and Systems Switch Hardware MKEY SSRER HANDLE HANDLE 2TLA050040R0613 Part Details 0
  • 1 $495.1900
$495.1900 Order Now 2TLA050040R0613 Part Details
EYG-R0613ZLSE DISTI # 667-EYG-R0613ZLSE
Panasonic Electronic Components Thermal Interface Products 127.5 mmx61 mmx0.25 mm250 W/m-K - 55 C+ 400 C RoHS: Compliant EYG-R0613ZLSE Part Details 0
  • 1 $17.8400
  • 10 $15.1600
  • 20 $14.2200
$14.2200 / $17.8400 Order Now EYG-R0613ZLSE Part Details
EYG-R0613ZRSE DISTI # 667-EYG-R0613ZRSE
Panasonic Electronic Components Thermal Interface Products 127.5 mmx61 mmx0.35 mm200 W/m-K - 55 C+ 400 C RoHS: Compliant EYG-R0613ZRSE Part Details 0
  • 1 $23.1500
  • 10 $19.9700
  • 20 $19.0100
  • 50 $18.5700
  • 100 $17.9900
  • 200 $17.2600
$17.2600 / $23.1500 Order Now EYG-R0613ZRSE Part Details
257-515ZR06-13-98PN DISTI # 631-257515ZR061398PN
Glenair Inc Circular MIL Spec Connector CONNECTING DEVICES - SPECIAL PURPOSE 257-515ZR06-13-98PN Part Details 0
  • 1 $2,236.5600
  • 2 $2,008.7100
$2,008.7100 / $2,236.5600 Order Now 257-515ZR06-13-98PN Part Details
180-159ZR06-13-4N DISTI # 631-159ZR06134N
Glenair Inc Circular MIL Spec Connector FIBER(18) - FIBER OPTIC CONNECTORS 180-159ZR06-13-4N Part Details 0
  • 10 $648.3600
$648.3600 Order Now 180-159ZR06-13-4N Part Details
180-091ZR06-13-4SN DISTI # 631-091ZR06134SN
Glenair Inc Circular MIL Spec Connector FIBER(18) - FIBER OPTIC CONNECTORS 180-091ZR06-13-4SN Part Details 0
  • 10 $660.2800
$660.2800 Order Now 180-091ZR06-13-4SN Part Details

View all 'r0613' results from Mouser Electronics

RS (Formerly Allied Electronics & Automation)

Part # Manufacturer Description Stock Price Price Range Buy
SR-0613-DQ DISTI # 75272825
Bimba Manufacturing Company CYLINDER, O.L. Min Qty: 1 Package Multiple: 1 Lead time: 5 Weeks, 0 Days Container: Bulk SR-0613-DQ Part Details 0
  • 1 $82.3000
  • 5 $79.0100
  • 10 $76.5400
$76.5400 / $82.3000 RFQ SR-0613-DQ Part Details

TTI ECIA (NEDA) Member • Authorized Distributor

Part # Manufacturer Description Stock Price Price Range Buy
SLF10145T-680M1R2-PF DISTI # SLF10145T-680M1R2-PF
TDK Corporation Power Inductors - SMD 68uH 1.3 A 168mOhms RoHS: Compliant pbFree: Pb-Free Min Qty: 500 Package Multiple: 500 Container: Reel SLF10145T-680M1R2-PF Part Details Americas - 1500
In Stock
  • 500 $0.3830
  • 1000 $0.3750
$0.3750 / $0.3830 Buy Now SLF10145T-680M1R2-PF Part Details

Bristol Electronics  

Part # Manufacturer Description Stock Price Price Range Buy
PFC-W1206R-06-1301-F-1520
TT Electronics Resistors   PFC-W1206R-06-1301-F... Part Details 1500   RFQ PFC-W1206R-06-1301-F... Part Details
PFC-W1206R-06-1301-F
TT Electronics Resistors   Min Qty: 1 PFC-W1206R-06-1301-F Part Details 1000
  • 173 $2.6229
  • 85 $2.7720
  • 41 $2.9857
  • 14 $3.1987
  • 5 $4.1583
  • 1 $6.3974
$2.6229 / $6.3974 Buy Now PFC-W1206R-06-1301-F Part Details
DCR04C12NR06-13
Glenair Inc   DCR04C12NR06-13 Part Details 20   RFQ DCR04C12NR06-13 Part Details
DCR04C12NR06-13
ESC CONTROL ELECTRONICS   DCR04C12NR06-13 Part Details 17   RFQ DCR04C12NR06-13 Part Details

TME ECIA Member • Authorized Distributor

Part # Manufacturer Description Stock Price Price Range Buy
1SAE231111R0613 DISTI # ESB25-13N-06
ABB Low Voltage Products and Systems Contactor: 4-pole installation, 25A, 230÷240VAC,230÷240VDC, ESB Min Qty: 1 1SAE231111R0613 Part Details 3
  • 10 $42.9200
  • 5 $46.4100
  • 1 $49.6300
$42.9200 / $49.6300 Buy Now 1SAE231111R0613 Part Details

Interstate Connecting Components ECIA (NEDA) Member • Authorized Distributor

Part # Manufacturer Description Stock Price Price Range Buy
180-159ZR06-13-4N DISTI # GLE180-159ZR06-13-4N
Glenair Inc FIBER 38999 SERIES 3 PLUG 180-159ZR06-13-4N Part Details 0   Buy Now 180-159ZR06-13-4N Part Details
257-515ZR06-13-98PN DISTI # GLE257-515ZR06-13-98PN
Glenair Inc   257-515ZR06-13-98PN Part Details 0   Buy Now 257-515ZR06-13-98PN Part Details
180-159ZR06-13-4A DISTI # GLE180-159ZR06-13-4A
Glenair Inc FIBER 38999 SERIES 3 PLUG 180-159ZR06-13-4A Part Details 0   Buy Now 180-159ZR06-13-4A Part Details

Chip 1 Exchange  

Part # Manufacturer Description Stock Price Price Range Buy
FCR06 1% 390R 1/4W
EUROH INSTOCK FCR06 1% 390R 1/4W Part Details 3000   RFQ FCR06 1% 390R 1/4W Part Details

LCSC  

Part # Manufacturer Description Stock Price Price Range Buy
R06-131V50PC0.1%
ATI Technologies Inc 131 ohms * 50pcs 50 SMD Resistor Kits RoHS R06-131V50PC0.1% Part Details 1
  • 1 $282.3124
$282.3124 Buy Now R06-131V50PC0.1% Part Details

Associated Part Details

Most Popular Fixed Inductors

Most Popular Part Numbers