Thurlby Thandar (TTi) High Power Compact Bench Switch Mode PSUs



The EX series of switch mode PSUs provide high levels of power at a very affordable price. By combining switch-mode pre-regulation with linear post-regulation, performance levels comparable to an all linear design have been achieved.

  • Single, dual and triple output models
  • Power from 175W to 420W
  • Voltage from 18V to150V
  • Compact design takes up minimal bench space
  • Quiet operation
  • Mixed-mode regulation
  • Excellent line and load regulation
  • Low Noise
  • Good transient response
  • High power efficiency
  • Constant voltage and constant current modes with automatic crossover
  • Coarse and fine voltage control
  • Logarithmic current control enabling low currents to be accurately set
  • Separate digital voltmeter and ammeter for each main output
  • Current limit settings are displayed when output switch is off, enabling verification of settings
  • Bright LED display with 14mm high characters and an update rate of four per second
  • All outputs short circuit proof and fully protected against external voltages and reverse currents
  • EX-R models feature remote sensing
  • EX355P model features an RS-232 interface to give a basic programmable PSU
  • Complies with EN61010-1 and EN61326
  • Thurlby Thandar EX series


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Description

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RoHS

Datasheets

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Manufacturer’s Part Number: EX1810R

18v 10a 180w Single Output Psu

85-2020£342.72
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Manufacturer’s Part Number: EX2020R

20v 20a 400w Single Output Psu

85-2021£467.57
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Manufacturer’s Part Number: EX355

35v 5a 175w Single Output Psu

85-2018£301.10
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Manufacturer’s Part Number: EX355P

35v 5a 175w Single Output Psu Rs-232 e

85-2019£397.80
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Manufacturer’s Part Number: EX4210R

42v 10a 420w Single Output Psu

85-2022£501.84
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Manufacturer’s Part Number: EX354RD

35v 4a 280w Dual Output Psu

85-2023£348.84
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Manufacturer’s Part Number: EX752M

75v 2a 300w Dual Output Psu

85-2024£550.80
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Manufacturer’s Part Number: EX 354T

305w Triple Output Psu

85-2025£500.62
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Technical Specification

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Output parameters
Period range100ns to 10s (10MHz to 0.1Hz)
Period jitter<0.1%
Pulse width range50ns to 5s
Pulse width jitter<0.1%
Delay range50ns to 5s
Operation modesRunContinuous generation 0.1Hz to 10MHz
TriggeredDC to 10MHz triggered pulse train
Gated0.1Hz to 10MHz set pulse train
Pulse modesNormal1 pulse/period
Squarewave0.1Hz to 10MHz with mark/space ratio 1:1
Double pulse2nd pulse generated according to delay control
Delayed pulsePulse generated according to delay control
Outputs
50Ω outputAmplitude0.1–1V or 1–10V switchable
Rise/fall time10ns typ.
Aux output50Ω output at TTL/CMOS level
Sync outputAmplitudePositive going pulse at TTL/CMOS level
TimingLeading edge starts >20ns before output transition
Duration30ns typ.
Complement switchInverts AUX and 50Ω outputs
Inputs
Gate/trig inputFrequency rangeDC - 10MHz
Signal rangeTTl threshold: max. input ±10V
Min. pulse width>30ns
Input impedance10kΩ typ.
General
AC Input115 or 230V AC 50/60Hz
Dimensions230(L) x 220(W) x 140(H) mm
Weight1.6kg
Operating temperature+5°C to +40°C @20-80% RH
Storage temperature-40°C to +70°C
For detailed technical specifications please see data sheet available
at www.rapidonline.com or contact Rapid Electronics


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