Ramanu Systems — Product Catalog

Precision Electronics Modules.
Designed in Pune. Built for Engineers.

Every module uses genuine Tier-1 components — Texas Instruments ICs, Amphenol connectors, Samsung capacitors, Murata ferrite beads. No clones. No grey market parts. Full traceability.

7
Products
100%
Genuine Components
Pune
Designed & Assembled
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Power Modules

LDO voltage regulators, ultra-low noise power modules, and load switches. From battery-friendly 50µA quiescent current to 7µVrms laboratory-grade clean power.

TrueVolt74033 3.3V LDO module on aluminum MCPCB by Ramanu Systems
LDO Regulator

TrueVolt74033

TI TLV740P · Aluminum MCPCB

General-purpose 3.3V 300mA LDO with 100× lower quiescent current than AMS1117. SD103AW reverse protection. 7805 pin-compatible. The AMS1117 killer.

3.3V / 300mA 50µA IQ 460mV dropout 65dB PSRR
TrueVolt LN-7A2033 ultra-low noise LDO module on aluminum PCB by Ramanu Systems
Ultra-Low Noise

TrueVolt LN-7A2033

TI TPS7A2033 · Aluminum MCPCB

7µVrms noise floor. 95dB PSRR. Dual ferrite bead EMI filtering with solder-jumper configuration. For ADC references, audio, VCO, and RF instrumentation.

7µVrms noise 95dB PSRR 140mV dropout 6.5µA IQ
PureRail C33 Nano USB-C power module with Amphenol connector by Ramanu Systems
USB-C · Ultra-Low Noise

PureRail C33 Nano

TI TPS7A2033 · Amphenol USB-C · Abracon EMI

Laboratory-grade USB-C power. Dual output: filtered 5V (1A) + regulated 3.3V (300mA). Amphenol connector rated 10,000+ mating cycles. TVS + Schottky protection. Current sensing built-in.

7µVrms noise 5V + 3.3V dual Amphenol 10K+ 4 solder jumpers
PureSwitch-22919 load switch module with TI TPS22919 by Ramanu Systems
Load Switch

PureSwitch-22919

TI TPS22919 · FR4 PCB

Stop brown-out resets. 1.5A soft-start load switch with quick output discharge, short-circuit protection, and built-in Schottky freewheeling diode for relay control. GPIO-compatible.

1.5A / 5.5V 90mΩ RON <1µA shutdown Relay-ready
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Sensor Modules

Analog temperature sensors on aluminum MCPCB for 2× faster thermal response. No I2C, no libraries — direct ADC output. M3 screw mount for secure industrial mounting.

SwiftSense T235 temperature sensor on aluminum MCPCB by Ramanu Systems
Analog · ±0.5°C

SwiftSense T235

TI TMP235 A2 · Aluminum MCPCB · Murata + Samsung

±0.5°C accuracy analog temperature sensor. 10mV/°C linear output — one-line math, no libraries. 9µA quiescent for multi-year battery life. 2× faster thermal response than FR4.

±0.5°C accuracy 10mV/°C linear 9µA quiescent -40 to +150°C
RS-TMP6331-100K silicon PTC temperature sensor on aluminum MCPCB by Ramanu Systems
Silicon PTC · Ratiometric

RS-TMP6331-100K

TI TMP6331 · 100kΩ ±0.5% bias · Aluminum MCPCB

Silicon PTC thermistor — inherently safer than NTC (self-limiting). Ratiometric measurement cancels supply drift. 16.5µA at 3.3V. Schottky diode for direct relay control. Arduino code included.

100kΩ PTC 16.5µA @ 3.3V Schottky diode -40 to +150°C
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Interface & Control Modules

Human-machine interface inputs with signal conditioning built in — so your microcontroller reads clean, bounce-free signals with zero extra components.

Ramanu rotary encoder module built on the Bourns PEC12R, 24 PPR incremental quadrature encoder with push switch and 6mm D-shaft knob by Ramanu Systems
Rotary Encoder

Bourns Rotary Encoder

Bourns PEC12R · Hardware Debounce · Knob Included

24 PPR incremental encoder with push switch, built-in RC hardware debounce and 10kΩ pull-ups on every channel. Ships complete with a premium 6mm D-shaft knob — Arduino, ESP32 & STM32 ready.

24 PPR Push switch RC debounce Knob included
Texas InstrumentsGenuine LDO & Sensor ICs
AmphenolIndustrial-Grade Connectors
SamsungPremium MLCC Capacitors
MurataEMI Ferrite Beads
AbraconHigh-Frequency Filters

Can’t Decide? Start Here.

Browse our technical comparisons and application notes to find the right module for your project.

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