Register or Sign In

TFC-145-01-L-D price and stock

TFC-145-01-L-D 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

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

Independent Distributors

  • Ameya
  • ArduSimple
  • Bristol
  • Chip Stock
  • Chip-Germany GmbH
  • Chip1Cloud
  • Component Electronics, Inc
  • CoreStaff
  • Direct Components
  • Futuretech Components
  • GlobX GmbH
  • Greenchips
  • LCSC
  • MacroQuest
  • Neutron USA
  • NexGen Digital
  • NTEMALL
  • Quest
  • SEMIX
  • Sense Electronic
  • Sensible Micro Corp
  • Shengyu Electronics
  • Velocity Electronics
  • VRG Components
  • Vyrian
  • Win Source Electronics
Show Filters
Select Manufacturer
Top of Page ↑

Newark Authorized Distributor

Part # Manufacturer Description Stock Price Price Range Buy
TFC-145-01-L-D DISTI # 84P7201
Samtec Inc Header, 1.27Mm, Smd, 2X45 Position, Connector Systems:Board-To-Board, Wire-To-Board, Pitch Spacing:1.27Mm, No. Of Rows:2Rows, No. Of Contacts:90Contacts, Contact Termination Type:Through Hole, Product Range:Tfc Series Rohs Compliant: Yes |Samtec TFC-145-01-L-D Min Qty: 1 Package Multiple: 1 Date Code: 0 Container: Bulk TFC-145-01-L-D Part Details 0
  • 1000 $7.4400
  • 500 $7.9900
  • 250 $8.2100
  • 100 $9.3000
  • 10 $11.1600
  • 1 $12.3100
$7.4400 / $12.3100 Buy Now TFC-145-01-L-D Part Details
TFC-145-01-L-D-A DISTI # 84P7202
Samtec Inc Tiger Eye Cost-Effective Terminal Strip, 0.050" Pitch |Samtec TFC-145-01-L-D-A Min Qty: 1 Package Multiple: 1 Date Code: 0 Container: Bulk TFC-145-01-L-D-A Part Details 0
  • 500 $7.4400
  • 100 $9.8000
  • 50 $12.0400
  • 25 $13.5100
  • 1 $14.9900
$7.4400 / $14.9900 Buy Now TFC-145-01-L-D-A Part Details
TFC-145-01-L-D-LC DISTI # 84P7204
Samtec Inc Tiger Eye Cost-Effective Terminal Strip, 0.050" Pitch |Samtec TFC-145-01-L-D-LC Min Qty: 1 Package Multiple: 1 Date Code: 0 Container: Bulk TFC-145-01-L-D-LC Part Details 0
  • 500 $7.6500
  • 100 $10.0600
  • 50 $12.3700
  • 25 $13.8900
  • 1 $15.4000
$7.6500 / $15.4000 Buy Now TFC-145-01-L-D-LC Part Details
Top of Page ↑

DigiKey ECIA (NEDA) Member • Authorized Distributor

Part # Manufacturer Description Stock Price Price Range Buy
TFC-145-01-L-D-LC DISTI # TFC-145-01-L-D-LC-ND
Samtec Inc .050 X .050 TERMINAL STRIP Min Qty: 1 Lead time: 6 Weeks Container: Tube TFC-145-01-L-D-LC Part Details 100
In Stock
  • 100 $9.1375
  • 50 $9.7800
  • 25 $10.1500
  • 10 $10.7300
  • 1 $11.6100
$9.1375 / $11.6100 Buy Now TFC-145-01-L-D-LC Part Details
TFC-145-01-L-D DISTI # TFC-145-01-L-D-ND
Samtec Inc .050 X .050 TERMINAL STRIP Min Qty: 1 Lead time: 6 Weeks Container: Tube TFC-145-01-L-D Part Details Temporarily Out of Stock
  • 1 $15.8700
$15.8700 Buy Now TFC-145-01-L-D Part Details
TFC-145-01-L-D-LC-K DISTI # 612-TFC-145-01-L-D-LC-K-ND
Samtec Inc TIGER EYE COST-EFFECTIVE TERMINA Min Qty: 9 Lead time: 6 Weeks Container: Tube TFC-145-01-L-D-LC-K Part Details Temporarily Out of Stock
  • 9 $16.4878
$16.4878 Buy Now TFC-145-01-L-D-LC-K Part Details
TFC-145-01-L-D-RA DISTI # 612-TFC-145-01-L-D-RA-ND
Samtec Inc TIGER EYE COST-EFFECTIVE TERMINA Min Qty: 9 Lead time: 6 Weeks Container: Bulk TFC-145-01-L-D-RA Part Details Temporarily Out of Stock
  • 9 $16.6500
$16.6500 Buy Now TFC-145-01-L-D-RA Part Details
TFC-145-01-L-D-K DISTI # TFC-145-01-L-D-K-ND
Samtec Inc .050 X .050 TERMINAL STRIP Lead time: 6 Weeks Container: Bulk TFC-145-01-L-D-K Part Details Temporarily Out of Stock   Buy Now TFC-145-01-L-D-K Part Details
TFC-145-01-L-D-A DISTI # TFC-145-01-L-D-A-ND
Samtec Inc .050 X .050 TERMINAL STRIP Min Qty: 1 Lead time: 6 Weeks Container: Tube TFC-145-01-L-D-A Part Details Temporarily Out of Stock
  • 1 $15.8700
$15.8700 Buy Now TFC-145-01-L-D-A Part Details

View all 'TFC-145-01-L-D' results from DigiKey

Top of Page ↑

Avnet Americas Authorized Distributor

Part # Manufacturer Description Stock Price Price Range Buy
TFC-145-01-L-D DISTI # TFC-145-01-L-D
Samtec Inc Conn Shrouded Header HDR 90 POS 1.27mm Solder ST Thru-Hole Tube - Rail/Tube (Alt: TFC-145-01-L-D) RoHS: Compliant Min Qty: 1 Package Multiple: 1 Container: Tube TFC-145-01-L-D Part Details 0
  • 100 $7.3000
  • 50 $9.5700
  • 25 $9.9300
  • 10 $10.5100
  • 1 $11.3700
$7.3000 / $11.3700 Buy Now TFC-145-01-L-D Part Details
TFC-145-01-L-D-A DISTI # TFC-145-01-L-D-A
Samtec Inc Conn Shrouded Header HDR 90 POS 1.27mm Solder ST Thru-Hole Tube - Rail/Tube (Alt: TFC-145-01-L-D-A) RoHS: Compliant Min Qty: 1 Package Multiple: 1 Container: Tube TFC-145-01-L-D-A Part Details 0
  • 100 $7.3000
  • 50 $9.5700
  • 25 $9.9300
  • 10 $10.5100
  • 1 $11.3700
$7.3000 / $11.3700 Buy Now TFC-145-01-L-D-A Part Details
TFC-145-01-L-D-K DISTI # TFC-145-01-L-D-K
Samtec Inc Conn Shrouded Header HDR 90 POS 1.27mm Solder ST Thru-Hole - Bulk (Alt: TFC-145-01-L-D-K) Min Qty: 1 Package Multiple: 1 Container: Bulk TFC-145-01-L-D-K Part Details 0   RFQ TFC-145-01-L-D-K Part Details
TFC-145-01-L-D-RA DISTI # TFC-145-01-L-D-RA
Samtec Inc Conn Shrouded HDR 90 POS 1.27mm Solder RA Through Hole Tube - Rail/Tube (Alt: TFC-145-01-L-D-RA) Min Qty: 1 Package Multiple: 1 Container: Tube TFC-145-01-L-D-RA Part Details 0
  • 100 $8.0300
  • 50 $10.5300
  • 25 $10.9200
  • 10 $11.5600
  • 1 $12.5000
$8.0300 / $12.5000 Buy Now TFC-145-01-L-D-RA Part Details
TFC-145-01-L-D-LC DISTI # TFC-145-01-L-D-LC
Samtec Inc Conn Shrouded Header HDR 90 POS 1.27mm Solder ST Thru-Hole Tube - Rail/Tube (Alt: TFC-145-01-L-D-LC) RoHS: Compliant Min Qty: 1 Package Multiple: 1 Container: Tube TFC-145-01-L-D-LC Part Details 0
  • 100 $7.4900
  • 50 $9.7800
  • 25 $10.1500
  • 10 $10.7300
  • 1 $11.6100
$7.4900 / $11.6100 Buy Now TFC-145-01-L-D-LC Part Details
TFC-145-01-L-D-LC-K DISTI # TFC-145-01-L-D-LC-
Samtec Inc Connector Shrouded Header 90 Position 1.27mm Solder Straight Through Hole - Rail/Tube (Alt: TFC-145-01-L-D-LC-) Min Qty: 1 Package Multiple: 1 Container: Tube TFC-145-01-L-D-LC-K Part Details 0
  • 100 $7.6100
  • 50 $9.9200
  • 25 $10.2900
  • 10 $10.8900
  • 1 $11.7800
$7.6100 / $11.7800 Buy Now TFC-145-01-L-D-LC-K Part Details

View all 'TFC-145-01-L-D' results from Avnet Americas

Top of Page ↑

Mouser Electronics ECIA (NEDA) Member • Authorized Distributor

Part # Manufacturer Description Stock Price Price Range Buy
TFC-145-01-L-D DISTI # 200-TFC14501LD
Samtec Inc Headers & Wire Housings Tiger Eye Cost-Effective Terminal Strip, .050" Pitch RoHS: Compliant TFC-145-01-L-D Part Details 0
  • 1 $11.3700
  • 27 $9.9300
  • 54 $9.5700
  • 108 $7.3000
  • 504 $6.5400
  • 1008 $5.0300
  • 2007 $3.5100
$3.5100 / $11.3700 Order Now TFC-145-01-L-D Part Details
TFC-145-01-L-D-A DISTI # 200-TFC14501LDA
Samtec Inc Headers & Wire Housings Tiger Eye Cost-Effective Terminal Strip, .050" Pitch RoHS: Compliant TFC-145-01-L-D-A Part Details 0
  • 1 $11.3700
  • 27 $9.9300
  • 54 $9.5700
  • 108 $7.3000
  • 504 $6.5400
  • 1008 $5.0300
  • 2007 $3.5100
$3.5100 / $11.3700 Order Now TFC-145-01-L-D-A Part Details
TFC-145-01-L-D-LC DISTI # 200-TFC14501LDLC
Samtec Inc Headers & Wire Housings Tiger Eye Cost-Effective Terminal Strip, .050" Pitch RoHS: Compliant TFC-145-01-L-D-LC Part Details 0
  • 1 $11.6100
  • 27 $10.1500
  • 54 $9.7800
  • 108 $7.4900
  • 504 $6.7200
  • 1008 $5.2000
  • 2007 $3.6700
$3.6700 / $11.6100 Order Now TFC-145-01-L-D-LC Part Details
Top of Page ↑

Onlinecomponents.com ECIA (NEDA) Member • Authorized Distributor

Part # Manufacturer Description Stock Price Price Range Buy
TFC-145-01-L-D
Samtec Inc   RoHS: Compliant TFC-145-01-L-D Part Details 0
  • 2000 $3.5100
  • 1000 $5.0300
  • 500 $6.5400
  • 100 $7.3000
  • 50 $9.5700
  • 25 $9.9300
  • 10 $10.5100
  • 1 $11.3700
$3.5100 / $11.3700 Buy Now TFC-145-01-L-D Part Details
TFC-145-01-L-D-A
Samtec Inc   RoHS: Compliant TFC-145-01-L-D-A Part Details 0
  • 2000 $3.5100
  • 1000 $5.0300
  • 500 $6.5400
  • 100 $7.3000
  • 50 $9.5700
  • 25 $9.9300
  • 10 $10.5100
  • 1 $11.3700
$3.5100 / $11.3700 Buy Now TFC-145-01-L-D-A Part Details
TFC-145-01-L-D-K
Samtec Inc   RoHS: Compliant TFC-145-01-L-D-K Part Details 0
  • 10000 $4.6900
  • 5000 $5.0100
  • 1000 $5.7400
  • 500 $6.6200
  • 100 $7.5000
  • 25 $7.7700
  • 1 $13.1400
$4.6900 / $13.1400 Buy Now TFC-145-01-L-D-K Part Details
TFC-145-01-L-D-LC-K
Samtec Inc   TFC-145-01-L-D-LC-K Part Details 0
  • 2000 $3.7700
  • 1000 $5.3100
  • 500 $6.8500
  • 100 $7.6100
  • 50 $9.9200
  • 25 $10.2900
  • 10 $10.8900
  • 1 $11.7800
$3.7700 / $11.7800 Buy Now TFC-145-01-L-D-LC-K Part Details
TFC-145-01-L-D-LC
Samtec Inc   RoHS: Compliant TFC-145-01-L-D-LC Part Details 0
  • 2000 $3.6700
  • 1000 $5.2000
  • 500 $6.7200
  • 100 $7.4900
  • 50 $9.7800
  • 25 $10.1500
  • 10 $10.7300
  • 1 $11.6100
$3.6700 / $11.6100 Buy Now TFC-145-01-L-D-LC Part Details
TFC-145-01-L-D-RA
Samtec Inc   RoHS: Compliant TFC-145-01-L-D-RA Part Details 0
  • 2000 $3.8600
  • 1000 $5.5300
  • 500 $7.2000
  • 100 $8.0300
  • 50 $10.5300
  • 25 $10.9200
  • 10 $11.5600
  • 1 $12.5000
$3.8600 / $12.5000 Buy Now TFC-145-01-L-D-RA Part Details

View all 'TFC-145-01-L-D' results from Onlinecomponents.com

Top of Page ↑

Sager ECIA (NEDA) Authorized Distributor

Part # Manufacturer Description Stock Price Price Range Buy
TFC-145-01-L-D DISTI # 000000000001358818
Samtec Inc Headers & Wire Housings Tiger Eye Cost-Effective Terminal Strip, .050 Pitch Min Qty: 1 TFC-145-01-L-D Part Details 0
  • 1 $11.3700
  • 10 $10.5100
  • 25 $9.9300
  • 50 $9.5700
  • 100 $7.3000
  • 500 $6.5400
$6.5400 / $11.3700 Buy Now TFC-145-01-L-D Part Details
TFC-145-01-L-D-LC DISTI # 000000000002237432
Samtec Inc Headers & Wire Housings Tiger Eye Cost-Effective Terminal Strip, .050 Pitch Min Qty: 1 TFC-145-01-L-D-LC Part Details 0
  • 1 $11.6100
  • 10 $10.7300
  • 25 $10.1500
  • 50 $9.7800
  • 100 $7.4900
  • 500 $6.7200
$6.7200 / $11.6100 Buy Now TFC-145-01-L-D-LC Part Details
TFC-145-01-L-D-RA DISTI # 000000000005931883
Samtec Inc Headers & Wire Housings Tiger Eye Cost-Effective Terminal Strip, .050 Pitch Min Qty: 1 TFC-145-01-L-D-RA Part Details 0
  • 1 $12.5000
  • 10 $11.5600
  • 25 $10.9200
  • 50 $10.5300
  • 100 $8.0300
  • 500 $7.2000
$7.2000 / $12.5000 Buy Now TFC-145-01-L-D-RA Part Details
TFC-145-01-L-D-K DISTI # 000000000002237431
Samtec Inc Headers & Wire Housings TFC-145-01-L-D-K Part Details 0   Buy Now TFC-145-01-L-D-K Part Details
TFC-145-01-L-D-LC-K DISTI # 000000000006175198
Samtec Inc Headers & Wire Housings Tiger Eye Cost-Effective Terminal Strip, .050 Pitch Min Qty: 1 TFC-145-01-L-D-LC-K Part Details 0
  • 1 $11.7800
  • 10 $10.8900
  • 25 $10.2900
  • 50 $9.9200
  • 100 $7.6100
  • 500 $6.8500
$6.8500 / $11.7800 Buy Now TFC-145-01-L-D-LC-K Part Details
TFC-145-01-L-D-A DISTI # 000000000001358819
Samtec Inc Headers & Wire Housings Tiger Eye Cost-Effective Terminal Strip, .050 Pitch Min Qty: 1 TFC-145-01-L-D-A Part Details 0
  • 1 $11.3700
  • 10 $10.5100
  • 25 $9.9300
  • 50 $9.5700
  • 100 $7.3000
  • 500 $6.5400
$6.5400 / $11.3700 Buy Now TFC-145-01-L-D-A Part Details

View all 'TFC-145-01-L-D' results from Sager

Top of Page ↑

Samtec Free 24 Hour Samples

Part # Manufacturer Description Stock Price Price Range Buy
TFC-145-01-L-D DISTI # 5cd9266bcd7c1c4c388148b2
Samtec Inc Tiger Eye™ Cost-Effective Terminal Strip, .050" Pitch RoHS: Compliant Min Qty: 1 Lead time: 2 Weeks, 5 Days Container: Tube TFC-145-01-L-D Part Details 0
  • 1 $11.3700
  • 10 $10.5100
  • 25 $9.9300
  • 50 $9.5700
  • 100 $7.3000
  • 500 $6.5400
  • 1000 $5.0300
  • 2000 $3.5100
$3.5100 / $11.3700 Buy Now TFC-145-01-L-D Part Details
TFC-145-01-L-D-A DISTI # 5cd92666cd7c1c4c388143c4
Samtec Inc Tiger Eye™ Cost-Effective Terminal Strip, .050" Pitch RoHS: Compliant Min Qty: 1 Lead time: 2 Weeks, 5 Days Container: Tube TFC-145-01-L-D-A Part Details 0
  • 1 $11.3700
  • 10 $10.5100
  • 25 $9.9300
  • 50 $9.5700
  • 100 $7.3000
  • 500 $6.5400
  • 1000 $5.0300
  • 2000 $3.5100
$3.5100 / $11.3700 Buy Now TFC-145-01-L-D-A Part Details
TFC-145-01-L-D-K DISTI # 5cd926b6cd7c1c4c3881add5
Samtec Inc Tiger Eye™ Cost-Effective Terminal Strip, .050" Pitch RoHS: Compliant Min Qty: 1 Lead time: 0 Weeks, -1 Days Container: Bulk TFC-145-01-L-D-K Part Details 0
  • 1 $11.5300
  • 10 $10.6600
  • 25 $10.0800
  • 50 $9.7100
  • 100 $7.4300
  • 500 $6.6600
  • 1000 $5.1400
  • 2000 $3.6200
$3.6200 / $11.5300 Buy Now TFC-145-01-L-D-K Part Details
TFC-145-01-L-D-LC DISTI # 5cd926bdcd7c1c4c3881b5ec
Samtec Inc Tiger Eye™ Cost-Effective Terminal Strip, .050" Pitch RoHS: Compliant Min Qty: 1 Lead time: 2 Weeks, 6 Days Container: Tube TFC-145-01-L-D-LC Part Details 0
  • 1 $11.6100
  • 10 $10.7300
  • 25 $10.1500
  • 50 $9.7800
  • 100 $7.4900
  • 500 $6.7200
  • 1000 $5.2000
  • 2000 $3.6700
$3.6700 / $11.6100 Buy Now TFC-145-01-L-D-LC Part Details
TFC-145-01-L-D-LC-K DISTI # 5d677995b5feef1134e57af5
Samtec Inc Tiger Eye™ Cost-Effective Terminal Strip, .050" Pitch RoHS: Compliant Min Qty: 1 Lead time: 3 Weeks, 0 Days Container: Tube TFC-145-01-L-D-LC-K Part Details 0
  • 1 $11.7800
  • 10 $10.8900
  • 25 $10.2900
  • 50 $9.9200
  • 100 $7.6100
  • 500 $6.8500
  • 1000 $5.3100
  • 2000 $3.7700
$3.7700 / $11.7800 Buy Now TFC-145-01-L-D-LC-K Part Details
TFC-145-01-L-D-RA DISTI # 5cd92628cd7c1c4c3880faa6
Samtec Inc Tiger Eye™ Cost-Effective Terminal Strip, .050" Pitch RoHS: Compliant Min Qty: 1 Lead time: 3 Weeks, 0 Days Container: Tube TFC-145-01-L-D-RA Part Details 0
  • 1 $12.5000
  • 10 $11.5600
  • 25 $10.9200
  • 50 $10.5300
  • 100 $8.0300
  • 500 $7.2000
  • 1000 $5.5300
  • 2000 $3.8600
$3.8600 / $12.5000 Buy Now TFC-145-01-L-D-RA Part Details

View all 'TFC-145-01-L-D' results from Samtec

Top of Page ↑

Master Electronics ECIA (NEDA) Member • Authorized Distributor

Part # Manufacturer Description Stock Price Price Range Buy
TFC-145-01-L-D
Samtec Inc   RoHS: Compliant TFC-145-01-L-D Part Details 0
  • 2000 $3.5100
  • 1000 $5.0300
  • 500 $6.5400
  • 100 $7.3000
  • 50 $9.5700
  • 25 $9.9300
  • 10 $10.5100
  • 1 $11.3700
$3.5100 / $11.3700 Buy Now TFC-145-01-L-D Part Details
TFC-145-01-L-D-A
Samtec Inc   RoHS: Compliant TFC-145-01-L-D-A Part Details 0
  • 2000 $3.5100
  • 1000 $5.0300
  • 500 $6.5400
  • 100 $7.3000
  • 50 $9.5700
  • 25 $9.9300
  • 10 $10.5100
  • 1 $11.3700
$3.5100 / $11.3700 Buy Now TFC-145-01-L-D-A Part Details
TFC-145-01-L-D-K
Samtec Inc   RoHS: Compliant TFC-145-01-L-D-K Part Details 0
  • 10000 $4.6900
  • 5000 $5.0100
  • 1000 $5.7400
  • 500 $6.6200
  • 100 $7.5000
  • 25 $7.7700
  • 1 $13.1400
$4.6900 / $13.1400 Buy Now TFC-145-01-L-D-K Part Details
TFC-145-01-L-D-LC-K
Samtec Inc   TFC-145-01-L-D-LC-K Part Details 0
  • 2000 $3.7700
  • 1000 $5.3100
  • 500 $6.8500
  • 100 $7.6100
  • 50 $9.9200
  • 25 $10.2900
  • 10 $10.8900
  • 1 $11.7800
$3.7700 / $11.7800 Buy Now TFC-145-01-L-D-LC-K Part Details
TFC-145-01-L-D-LC
Samtec Inc   RoHS: Compliant TFC-145-01-L-D-LC Part Details 0
  • 2000 $3.6700
  • 1000 $5.2000
  • 500 $6.7200
  • 100 $7.4900
  • 50 $9.7800
  • 25 $10.1500
  • 10 $10.7300
  • 1 $11.6100
$3.6700 / $11.6100 Buy Now TFC-145-01-L-D-LC Part Details
TFC-145-01-L-D-RA
Samtec Inc   RoHS: Compliant TFC-145-01-L-D-RA Part Details 0
  • 2000 $3.8600
  • 1000 $5.5300
  • 500 $7.2000
  • 100 $8.0300
  • 50 $10.5300
  • 25 $10.9200
  • 10 $11.5600
  • 1 $12.5000
$3.8600 / $12.5000 Buy Now TFC-145-01-L-D-RA Part Details

View all 'TFC-145-01-L-D' results from Master Electronics

Associated Part Details

Most Popular Headers and Edge Type Connectors

Most Popular Part Numbers