Laser Diode Driver & Temperature Controller

Overview

Our Laser Diode Drivers and Temperature Controllers deliver precise, reliable performance for advanced applications. The drivers offer accurate current regulation with built-in protection, while the controllers ensure stable temperature management for TECs and heaters. Both solutions are designed for optimal efficiency and long-term reliability in research and industrial environments.

Laser Diode drivers

Series / Model Mount Type Output Current Supply Voltage Modes Key Features
PLD Series PCB‑mount (SIP/DIP) 0.2 A, 0.5 A, 1.25 A, 5 A, 6.5 A, 10 A, 12.5 A +5 V (laser up to 30 V) ([AMS Technologies][1], [AMS Technologies][2]) Constant Current / Power Slow‑start, latching current limit, relay protection, low noise, heatsink on high‑current versions, remote control
PLDxK‑CH Series Chassis‑mount module 5 A, 10 A, 12.5 A +5 V (plus separate laser supply) Constant Current / Power Trimpots, LEDs, safety interlocks, relay output, USBKIT control available
WLD33ND Series PCB‑mount DIP (14‑pin) Up to 2.2 A; 3 A variant +5 to +12 V Constant Current / Power Slow‑start, over‑temp shutdown, TTL‑shutdown, low noise, DIP package, recharge resister range adjustable, 2 MHz bandwidth
WLD33ND-3A, WLD33ND‑2L, 3L, HB variants PCB‑mount DIP (14‑pin) Up to 3 A or lower‑noise variants (HB ≈3.6 V battery use) +5 to +12 V Constant Current / Power Enhanced low‑noise, safe operation @ low voltage, battery compatibility
WLD3343 PCB DIP layout Up to 2.2 A +5 V (up to \~12 V possible) Constant Current / Power Predecessor of WLD33ND, general‑purpose, slow‑start, low cost
LDTC Series Benchtop or chassis module 0.5 A (LDTC0520), 1 A (LDTC1020) for laser; ±2.2 A for TEC control +3 to +12 V (TEC 4.5‑30 V) Laser + TEC control Integrated low‑noise FL500 driver + WTC3243 TEC controller, slow‑start, brownout protection, remote TTL, dual power supplies, remote control via USBKIT

Temperature Controller

Series / Model Mount Type Output Current Supply Voltage Temperature Stability Key Features
LDT‑5910C‑220V Benchtop unit ±4 A 220 VAC ±0.002 °C long‑term USB & GPIB; PID + auto‑tune; PID front panel
PTCxK‑CH Series Chassis‑mount module ±2.5–10 A (up to 20 A in master/booster combo) 5–30 VDC 0.0012 °C USB optional; PI control with smart integrator; adjustable bias & current limits
WTC32ND PCB‑mount DIP ±2.2 A 5–30 VDC 0.0009 °C PI loop; evaluation board; external tuning via trimpots
HTC Series SIP PCB-mount ±1.5, ±3, ±4 A 5–12 VDC (up to 30 V on request) 0.0009 °C Low‑profile, SIP; adjustable bias, P/I gains
WTCP5V5A PCB‑mount module ±5 A 4.5–5.5 VDC 0.001–0.002 °C PWM-based; high efficiency; evaluation board support
PID1500 PCB‑mount ±1.5 A 5–12 VDC 0.003 °C Onboard P‑gain potentiometer; heatsink; evaluation board
PTC Series SIP PCB‑mount ±5 or ±10 A 5–30 VDC 0.0012 °C Based on PTC‑CH; smart integrator; bias & current limit adjustability
TC15 LAB Rack-mount instrument ±15 A up to 20 V compliance Greater than 0.0009 °C IntelliTune PID; touchscreen + USB/Ethernet; safety features
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