PAIRUI GROUP INC.
AC-DC Din Rail Mounted Power Supply
Unspecified
40/60 WATT OPEN FRAME AC-DC MODULES
Unspecified
40/60 WATT OPEN FRAME AC-DC MODULES
NXP Semiconductors.
LCD row/column driver for dot matrix graphic displays
BOWEI Integrated Circuits CO.,LTD.
Fixed PLL synthesizer
NEC => Renesas Technology
SEMICONDUCTOR SELECTION GUIDE
Unspecified
SEMICONDUCTOR SELECTION GUIDE
HITRON ELECTRONICS CORPORTION
UNIVERSAL INPUT AC-DC PCB OPEN FRAME SINGLE & DUAL OUTPUT 13-15 WATTS INTERNAL SWITCHING POWER SUPPLIES
HITRON ELECTRONICS CORPORTION
UNIVERSAL AC INPUT AC-DC INDUSTRIAL DIN-RAIL SINGLE OUTPUT 30 WATTS SWITCHING MODE POWER SUPPLIES
HITRON ELECTRONICS CORPORTION
UNIVERSAL INPUT AC-DC OPEN FRAME SINGLE & MULTI-OUTPUT 40-50 WATTS INTERNAL SWITCHING POWER SUPPLIES
HITRON ELECTRONICS CORPORTION
UNIVERSAL AC INPUT HARMONIC CORRECTION AC-DC INDUSTRIAL DIN-RAIL SINGLE OUTPUT 60 WATTS SWITCHING MODE POWER SUPPLIES
HITRON ELECTRONICS CORPORTION
UNIVERSAL AC INPUT AC-DC INDUSTRIAL DIN-RAIL SINGLE OUTPUT 60 WATTS SWITCHING MODE POWER SUPPLIES
HITRON ELECTRONICS CORPORTION
UNIVERSAL AC INPUT AC-DC INDUSTRIAL DIN-RAIL SINGLE OUTPUT 65 WATTS SWITCHING MODE POWER SUPPLIES
Total Power International
ACCOMMODATE UNIVERSAL AC SOURCES
HITRON ELECTRONICS CORPORTION
UNIVERSAL AC INPUT HARMONIC CORRECTION AC-DC INDUSTRIAL DIN-RAIL SINGLE OUTPUT 100 WATTS SWITCHING MODE POWER SUPPLIES
HITRON ELECTRONICS CORPORTION
UNIVERSAL INPUT HARMONIC CORRECTION AC-DC OPEN FRAME SINGLE & MULTI-OUTPUT 100 WATTS INTERNAL SWITCHING POWER SUPPLIES
HITRON ELECTRONICS CORPORTION
UNIVERSAL INPUT AC-DC MEDICAL APPLICATION OPEN FRAME SINGLE & MULTI-OUTPUT 100 WATTS INTERNAL SWITCHING POWER SUPPLIES
HITRON ELECTRONICS CORPORTION
UNIVERSAL INPUT HARMONIC CORRECTION AC-DC OPEN FRAME SINGLE & MULTI-OUTPUT 50-100 WATTS INTERNAL SWITCHING POWER SUPPLIES
HITRON ELECTRONICS CORPORTION
UNIVERSAL AC INPUT AC-DC INDUSTRIAL DIN-RAIL SINGLE OUTPUT 120 WATTS SWITCHING MODE POWER SUPPLIES
HITRON ELECTRONICS CORPORTION
UNIVERSAL AC INPUT HARMONIC CORRECTION AC-DC INDUSTRIAL DIN-RAIL SINGLE OUTPUT 120 WATTS SWITCHING MODE POWER SUPPLIES
HITRON ELECTRONICS CORPORTION
UNIVERSAL AC INPUT HARMONIC CORRECTION AC-DC INDUSTRIAL DIN- RAIL SINGLE OUTPUT 150 WATTS ACTIVE CURRENT SHARING SWITCHING MODE POWER SUPPLIES
HITRON ELECTRONICS CORPORTION
HARMONIC CORRECTION(PFC) AC-DC MEDICAL APPLICATION OPEN FRAME SINGLE OUTPUT 250 WATTS INTERNAL SWITCHING POWER SUPPLIES
HITRON ELECTRONICS CORPORTION
AUTO-RANGING INPUT HARMONIC CORRECTION AC-DC N+1 REDUNDANCY AND ACTIVE CURRENT SHARING OPEN FRAME SINGLE & MULTI-OUTPUT 350 WATTS INTERNAL SWITCHING POWER SUPPLIES
Total Power International
ACCOMMODATE UNIVERSAL AC SOURCES
HITRON ELECTRONICS CORPORTION
UNIVERSAL INPUT AC-DC OPEN FRAME SINGLE & TRIPLE OUTPUT 43 WATTS INTERNAL SWITCHING POWER SUPPLIES
HITRON ELECTRONICS CORPORTION
UNIVERSAL INPUT HARMONIC CORRECTION AC-DC N+1 REDUNDANCY AND ACTIVE CURRENT SHARING ENCLOSURE BOX SINGLE & MULTI-OUTPUT 400 WATTS INTERNAL SWITCHING POWER SUPPLIES
HITRON ELECTRONICS CORPORTION
UNIVERSAL INPUT AC-DC MEDICAL APPLICATION OPEN FRAME SINGLE OUTPUT 43 WATTS INTERNAL SWITCHING POWER SUPPLIES
Delta Electronics, Inc.
60W Single AC/DC Power Module
Delta Electronics, Inc.
60W Single AC/DC Power Module
Delta Electronics, Inc.
30W Single, Dual, and Triple Output AC-DC Power Module
Delta Electronics, Inc.
15W Single, Dual, and Triple Output AC/DC Power Module
Delta Electronics, Inc.
15W Single, Dual, and Triple Output AC/DC Power Module
BOWEI Integrated Circuits CO.,LTD.
Fixed frequency synthesizer
BOWEI Integrated Circuits CO.,LTD.
Fixed frequency synthesizer (integrated TCXO)
Delta Electronics, Inc.
60W Single AC/DC Power Module
Delta Electronics, Inc.
60W Single AC/DC Power Module
Delta Electronics, Inc.
30W Single, Dual, and Triple Output AC-DC Power Module
Hitachi -> Renesas Electronics
524,288-word X 8-bit Dynamic Random Access Memory
Hitachi -> Renesas Electronics
524,288-word X 8-bit Dynamic Random Access Memory
Hitachi -> Renesas Electronics
524,288-word X 8-bit Dynamic Random Access Memory
Hitachi -> Renesas Electronics
524,288-word X 8-bit Dynamic Random Access Memory
Hitachi -> Renesas Electronics
524,288-word X 8-bit Dynamic Random Access Memory
Hitachi -> Renesas Electronics
524,288-word X 8-bit Dynamic Random Access Memory
Hitachi -> Renesas Electronics
524,288-word X 8-bit Dynamic Random Access Memory
Hitachi -> Renesas Electronics
524,288-word X 8-bit Dynamic Random Access Memory
Hitachi -> Renesas Electronics
524,288-word X 8-bit Dynamic Random Access Memory
Hitachi -> Renesas Electronics
524,288-word X 8-bit Dynamic Random Access Memory
Hitachi -> Renesas Electronics
524,288-word X 8-bit Dynamic Random Access Memory
Hitachi -> Renesas Electronics
524,288-word X 8-bit Dynamic Random Access Memory
Hitachi -> Renesas Electronics
524,288-word X 8-bit Dynamic Random Access Memory
Delta Electronics, Inc.
60W Single AC/DC Power Module
Delta Electronics, Inc.
60W Single AC/DC Power Module
Delta Electronics, Inc.
30W Single, Dual, and Triple Output AC-DC Power Module
BOWEI Integrated Circuits CO.,LTD.
Fixed frequency phase locked synthesizer
ON Semiconductor
ON Semiconductor
Power MOSFET 30 V, 32 A, Single N−Channel, μ8FL
ON Semiconductor
ON Semiconductor
Power MOSFET 30 V, 32 A, Single N−Channel, μ8FL
ON Semiconductor
ON Semiconductor
Power MOSFET 30 V, 32 A, Single N−Channel, μ8FL
NEC => Renesas Technology
SEMICONDUCTOR SELECTION GUIDE
Power-One Inc.
100 Watt AC-DC Converters with PFC
Power-One Inc.
100 Watt AC-DC Converters with PFC
Power-One Inc.
100 Watt AC-DC Converters with PFC
Power-One Inc.
100 Watt AC-DC Converters with PFC
Power-One Inc.
100 Watt AC-DC Converters with PFC
Power-One Inc.
100 Watt AC-DC Converters with PFC
Power-One Inc.
100 Watt AC-DC Converters with PFC
Power-One Inc.
100 Watt AC-DC Converters with PFC
Power-One Inc.
100 Watt AC-DC Converters with PFC
Power-One Inc.
100 Watt AC-DC Converters with PFC
Power-One Inc.
100 Watt AC-DC Converters with PFC
Power-One Inc.
100 Watt AC-DC Converters with PFC
Power-One Inc.
100 Watt AC-DC Converters with PFC
Power-One Inc.
100 Watt AC-DC Converters with PFC
Power-One Inc.
100 Watt AC-DC Converters with PFC
Power-One Inc.
100 Watt AC-DC Converters with PFC
Power-One Inc.
100 Watt AC-DC Converters with PFC
Power-One Inc.
100 Watt AC-DC Converters with PFC
Power-One Inc.
100 Watt AC-DC Converters with PFC
Power-One Inc.
100 Watt AC-DC Converters with PFC
Power-One Inc.
100 Watt AC-DC Converters with PFC
Power-One Inc.
100 Watt AC-DC Converters with PFC
Power-One Inc.
100 Watt AC-DC Converters with PFC
Power-One Inc.
100 Watt AC-DC Converters with PFC
Power-One Inc.
100 Watt AC-DC Converters with PFC
Power-One Inc.
100 Watt AC-DC Converters with PFC
Power-One Inc.
100 Watt AC-DC Converters with PFC
Power-One Inc.
100 Watt AC-DC Converters with PFC
Power-One Inc.
100 Watt AC-DC Converters with PFC
Power-One Inc.
100 Watt AC-DC Converters with PFC
Power-One Inc.
100 Watt AC-DC Converters with PFC
Power-One Inc.
100 Watt AC-DC Converters with PFC
Total Power International
ACCOMMODATE UNIVERSAL AC SOURCES
HITRON ELECTRONICS CORPORTION
UNIVERSAL INPUT AC-DC OPEN FRAME SINGLE & TRIPLE OUTPUT 63 WATTS INTERNAL SWITCHING POWER SUPPLIES
HITRON ELECTRONICS CORPORTION
UNIVERSAL INPUT AC-DC MEDICAL APPLICATION OPEN FRAME SINGLE OUTPUT 63 WATTS INTERNAL SWITCHING POWER SUPPLIES
Unspecified
DC-DC Converters Bus Converter.Power Module Type
Unspecified
DC-DC Converters Bus Converter.Power Module Type
Unspecified
DC-DC Converters Bus Converter.Power Module Type
Unspecified
DC-DC Converters Bus Converter.Power Module Type
HITRON ELECTRONICS CORPORTION
AC/DC EXTERNAL DESKTOP ADAPTER UNIVERSAL INPUT SINGLE OUTPUT 60-75 WATTS GREEN POWER SWITCHING POWER SUPPLIES
HITRON ELECTRONICS CORPORTION
AC/DC EXTERNAL DESKTOP ADAPTER UNIVERSAL INPUT SINGLE OUTPUT 60-75 WATTS GREEN POWER SWITCHING POWER SUPPLIES
Unspecified
Power module type
Unspecified
DC-DC Converters Bus Converter.Power Module Type
Unspecified
DC-DC Converters Bus Converter.Power Module Type
Unspecified
DC-DC Converters Bus Converter.Power Module Type
Unspecified
DC-DC Converters Bus Converter.Power Module Type
LiteOn Technology
No description available
Dallas Semiconductor -> Maxim Integrated
Low Voltage, Micro Power, High Performance, Rail-To-Rail Dual Op-Amp
HITRON ELECTRONICS CORPORTION
HARMONIC CORRECTION (PFC) AC/DC MEDICAL APPLICATION EXTERNAL DESKTOP ADAPTER UNIVERSAL INPUT SINGLE OUTPUT 100 WATTS GREEN POWER SWITCHING POWER SUPPLIES
HITRON ELECTRONICS CORPORTION
HARMONIC CORRECTION (PFC) AC/DC MEDICAL APPLICATION EXTERNAL DESKTOP ADAPTER UNIVERSAL INPUT SINGLE OUTPUT 100 WATTS GREEN POWER SWITCHING POWER SUPPLIES
Unspecified
Power module type
Unspecified
DC-DC Converters Bus Converter.Power Module Type
Unspecified
DC-DC Converters Bus Converter.Power Module Type
Unspecified
DC-DC Converters Bus Converter.Power Module Type
Unspecified
DC-DC Converters Bus Converter.Power Module Type
Delta Electronics, Inc.
DC-DC CONVERTER
Delta Electronics, Inc.
DC-DC CONVERTER
Dallas Semiconductor -> Maxim Integrated
Low Voltage, Micro Power, High Performance, Rail-To-Rail Dual Op-Amp
Dallas Semiconductor -> Maxim Integrated
Low Voltage, Micro Power, High Performance, Rail-To-Rail Dual Op-Amp
Dallas Semiconductor -> Maxim Integrated
Low Voltage, Micro Power, High Performance, Rail-To-Rail Dual Op-Amp
C and D TECHNOLOGIES
100 Watt Single Output Half Brick DC/DC Converter
C and D TECHNOLOGIES
60 Watt Single Output Half Brick DC/DC Converter
C and D TECHNOLOGIES
Isolated 25W Single Output DC-DC Converters
C AND D TECHNOLOGIES
Isolated 10W Single Output DC-DC Converters
C AND D TECHNOLOGIES
60 Watt Single Output Half Brick DC/DC Converter
C and D TECHNOLOGIES
Isolated 10W Single Output DC-DC Converters
C AND D TECHNOLOGIES
Isolated 25W Single Output DC-DC Converters
C and D TECHNOLOGIES
Isolated 10W Single Output DC/DC Converters
C AND D TECHNOLOGIES
Isolated 10W Single Output DC/DC Converters
Unspecified
Power module type
Unspecified
DC-DC Converters Bus Converter.Power Module Type
Unspecified
DC-DC Converters Bus Converter.Power Module Type
Unspecified
DC-DC Converters Bus Converter.Power Module Type
Unspecified
DC-DC Converters Bus Converter.Power Module Type
Unspecified
Power module type
Unspecified
DC-DC Converters Bus Converter.Power Module Type
Unspecified
DC-DC Converters Bus Converter.Power Module Type
Unspecified
DC-DC Converters Bus Converter.Power Module Type
Unspecified
DC-DC Converters Bus Converter.Power Module Type
C and D TECHNOLOGIES
Isolated 10W Single Output DC/DC Converters
C AND D TECHNOLOGIES
Isolated 10W Single Output DC/DC Converters
HITRON ELECTRONICS CORPORTION
UNIVERSAL INPUT HARMONIC CORRECTION AC-DC OPEN FRAME SINGLE & MULTI-OUTPUT 150 WATTS INTERNAL SWITCHING POWER SUPPLIES
Delta Electronics, Inc.
1W DC/DC CONVERTER, DIP-Package, High Isolation
Delta Electronics, Inc.
2W DC/DC CONVERTER, DIP-Package, 2:1 Wide Input Range
Delta Electronics, Inc.
3W DC/DC CONVERTER, DIP-Package
Delta Electronics, Inc.
4W DC/DC CONVERTER, DIP-Package, 4:1 Wide Input Range
Delta Electronics, Inc.
6W DC/DC CONVERTER, DIP-Package, 2:1 Wide Input Range
Unspecified
6W DC/DC CONVERTER, DIP-Package, 2:1 Wide Input Range
Delta Electronics, Inc.
6W DC/DC CONVERTER, DIP-Package, High Isolation
Delta Electronics, Inc.
6W DC/DC CONVERTER, DIP-Package, 2:1 Wide Input Range
Murata Power Solutions
60 Watt Single Output Half Brick DC/DC Converter
Murata Power Solutions
Isolated 6W 4:1 Input Single & Dual Output DC/DC Converters
Murata Power Solutions
100 Watt Single Output Half Brick DC/DC Converter
Murata Power Solutions
Isolated 6W Wide Input Single & Dual Output DC/DC Converters
Murata Power Solutions
Isolated 6W Wide Input Single & Dual Output DC/DC Converters
C and D TECHNOLOGIES
Isolated 15W Single Output DC-DC Converters
C and D TECHNOLOGIES
Isolated 25W Single Output DC-DC Converters
C AND D TECHNOLOGIES
Isolated 10W Single Output DC-DC Converters
C and D TECHNOLOGIES
Isolated 10W Single Output DC-DC Converters
C AND D TECHNOLOGIES
Isolated 15W Single Output DC-DC Converters
C AND D TECHNOLOGIES
Isolated 25W Single Output DC-DC Converters
Unspecified
DC-DC CONV, ISO POL, 1 O/P, 10W, 1.96A, 5.1V
Unspecified
Isolated 15W Single Output DC-DC Converters
Murata Manufacturing
Isolated 15W Single Output DC-DC Converters
Murata Manufacturing
Isolated 10W Single Output DC-DC Converters
Delta Electronics, Inc.
6W DC/DC CONVERTER, DIP-Package, 2:1 Wide Input Range
Delta Electronics, Inc.
6W DC/DC CONVERTER, DIP-Package, 2:1 Wide Input Range
C and D TECHNOLOGIES
Isolated 15W Single Output DC-DC Converters
C and D TECHNOLOGIES
Isolated 25W Single Output DC-DC Converters
C AND D TECHNOLOGIES
Isolated 10W Single Output DC-DC Converters
C and D TECHNOLOGIES
Isolated 10W Single Output DC-DC Converters
C AND D TECHNOLOGIES
Isolated 15W Single Output DC-DC Converters
C AND D TECHNOLOGIES
Isolated 25W Single Output DC-DC Converters
Unspecified
DC-DC CONV, ISO POL, 1 O/P, 10W, 1.96A, 5.1V
Unspecified
Isolated 15W Single Output DC-DC Converters
Murata Manufacturing
Isolated 15W Single Output DC-DC Converters
Murata Manufacturing
Isolated 10W Single Output DC-DC Converters
Premier Magnetics, Inc.
5-6 WATT 2:1 WIDE INPUT RANGE DC/DC POWER MODULES
Applied Micro Circuits Corporation
OC-48 / 4xOC-12 / 16xOC-3 SONET/SDH FRAMER AND POS/ATM MAPPER
Power-One Inc.
DRS SERIES - 1.25 WATT
C and D TECHNOLOGIES
100 Watt Single Output Half Brick DC/DC Converter
Power-One Inc.
XWS SERIES - 150 WATT
Power-One Inc.
BWS SERIES - 2.5 WATT
Power-One Inc.
OWS SERIES - 25 WATT
C and D TECHNOLOGIES
60 Watt Single Output Half Brick DC/DC Converter
C and D TECHNOLOGIES
Isolated 25W Single Output DC-DC Converters
Applied Micro Circuits Corporation
SONET/SDH STS-48/STM-16 Framer/Pointer Processor
C AND D TECHNOLOGIES
Isolated 10W Single Output DC-DC Converters
C AND D TECHNOLOGIES
60 Watt Single Output Half Brick DC/DC Converter
C and D TECHNOLOGIES
Isolated 10W Single Output DC-DC Converters
C AND D TECHNOLOGIES
Isolated 25W Single Output DC-DC Converters
Bel Fuse Inc.
End of life (EOL) for certain part numbers with little or no activity
Bel Fuse Inc.
End of life (EOL) for certain part numbers with little or no activity
C and D TECHNOLOGIES
Isolated 10W Single Output DC/DC Converters
C AND D TECHNOLOGIES
Isolated 10W Single Output DC/DC Converters
Unspecified
Power module type
Unspecified
DC-DC Converters Bus Converter.Power Module Type
Unspecified
DC-DC Converters Bus Converter.Power Module Type
Unspecified
DC-DC Converters Bus Converter.Power Module Type
Unspecified
DC-DC Converters Bus Converter.Power Module Type
Unspecified
Power module type
Unspecified
DC-DC Converters Bus Converter.Power Module Type
Unspecified
DC-DC Converters Bus Converter.Power Module Type
Unspecified
DC-DC Converters Bus Converter.Power Module Type
Unspecified
DC-DC Converters Bus Converter.Power Module Type
C and D TECHNOLOGIES
Isolated 10W Single Output DC/DC Converters
C AND D TECHNOLOGIES
Isolated 10W Single Output DC/DC Converters
Delta Electronics, Inc.
3W DC/DC CONVERTER, DIP-Package, 2:1 Wide Input Range
Delta Electronics, Inc.
1W DC/DC CONVERTER, DIP-Package, High Isolation
Delta Electronics, Inc.
2W DC/DC CONVERTER, DIP-Package, 2:1 Wide Input Range
Delta Electronics, Inc.
3W DC/DC CONVERTER, DIP-Package
Delta Electronics, Inc.
4W DC/DC CONVERTER, DIP-Package, 4:1 Wide Input Range
Delta Electronics, Inc.
6W DC/DC CONVERTER, DIP-Package, 2:1 Wide Input Range
Unspecified
6W DC/DC CONVERTER, DIP-Package, 2:1 Wide Input Range
Delta Electronics, Inc.
6W DC/DC CONVERTER, DIP-Package, High Isolation
Delta Electronics, Inc.
6W DC/DC CONVERTER, DIP-Package, 2:1 Wide Input Range
Murata Power Solutions
60 Watt Single Output Half Brick DC/DC Converter
Murata Power Solutions
Isolated 6W 4:1 Input Single & Dual Output DC/DC Converters
Murata Power Solutions
100 Watt Single Output Half Brick DC/DC Converter
Murata Power Solutions
Isolated 6W Wide Input Single & Dual Output DC/DC Converters
Murata Power Solutions
Isolated 6W Wide Input Single & Dual Output DC/DC Converters
C and D TECHNOLOGIES
Isolated 15W Single Output DC-DC Converters
C and D TECHNOLOGIES
Isolated 25W Single Output DC-DC Converters
C AND D TECHNOLOGIES
Isolated 10W Single Output DC-DC Converters
C and D TECHNOLOGIES
Isolated 10W Single Output DC-DC Converters
C AND D TECHNOLOGIES
Isolated 15W Single Output DC-DC Converters
C AND D TECHNOLOGIES
Isolated 25W Single Output DC-DC Converters
Unspecified
DC-DC CONV, ISO POL, 1 O/P, 10W, 1.96A, 5.1V
Unspecified
Isolated 15W Single Output DC-DC Converters
Murata Manufacturing
Isolated 15W Single Output DC-DC Converters
Murata Manufacturing
Isolated 10W Single Output DC-DC Converters
Delta Electronics, Inc.
6W DC/DC CONVERTER, DIP-Package, 2:1 Wide Input Range
Delta Electronics, Inc.
6W DC/DC CONVERTER, DIP-Package, 2:1 Wide Input Range
C and D TECHNOLOGIES
Isolated 15W Single Output DC-DC Converters
C and D TECHNOLOGIES
Isolated 25W Single Output DC-DC Converters
C AND D TECHNOLOGIES
Isolated 10W Single Output DC-DC Converters
C and D TECHNOLOGIES
Isolated 10W Single Output DC-DC Converters
C AND D TECHNOLOGIES
Isolated 15W Single Output DC-DC Converters
C AND D TECHNOLOGIES
Isolated 25W Single Output DC-DC Converters
Unspecified
DC-DC CONV, ISO POL, 1 O/P, 10W, 1.96A, 5.1V
Unspecified
Isolated 15W Single Output DC-DC Converters
Murata Manufacturing
Isolated 15W Single Output DC-DC Converters
Murata Manufacturing
Isolated 10W Single Output DC-DC Converters
Premier Magnetics, Inc.
5-6 WATT 2:1 WIDE INPUT RANGE DC/DC POWER MODULES
Tumbler Technologies + TRUMPower
DC/DC CONVERTERS
Bel Fuse Inc.
End of life (EOL) for certain part numbers with little or no activity
Unspecified
1kVDC Isolated 1W Single Output DC/DC Converters
Unspecified
3kVDC Isolated 1W Single & Dual Output DC/DC Converters
Murata Power Solutions
3kVDC Isolated 1W Single & Dual Output DC/DC Converters
Murata Power Solutions
1kVDC Isolated 1W Single Output DC/DC Converters
Unspecified
DC-DC Converters Bus Converter.Power Module Type
Unspecified
DC-DC Converters Bus Converter.Power Module Type
Unspecified
DC-DC Converters Bus Converter.Power Module Type
Unspecified
DC-DC Converters Bus Converter.Power Module Type
Unspecified
1kVDC Isolated 1W Single Output DC/DC Converters