# TLRMK37TP(F) MT - Toshiba Red LED Lamp

## Overview
This document details the TLRMK37TP(F) MT, a 5mm, InGaAℓP red light emission LED lamp suitable for panel circuit indicators and backlighting.

## Key Features
️· Package: φ5mm
️· Technology: InGaAℓP
️· Lens: Transparent
️· Intensity: 1900-10700 mcd (depending on rank)
️· Peak Wavelength: 636 nm
️· Stopper lead type is also available.

## Electrical & Optical Characteristics (Ta = 25°C)
️· Forward Voltage (VF): 1.8 - 2.5 V (IF = 20mA)
️· Reverse Current (IR): Max 50 μA (VR = 4V)
️· Luminous Intensity (IV): 1900 - 10700 mcd (IF = 20mA)
️· Dominant Wavelength (λd): 626 nm
️· Spectral Line Half Width (∆λ): 14 nm

## Absolute Maximum Ratings
️· Forward Current (IF): 50 mA
️· Reverse Voltage (VR): 4 V
️· Power Dissipation (PD): 125 mW
️· Operating Temperature (Topr): -40 to +100°C
️· Storage Temperature (Tstg): -40 to +120°C

## Precautions
️· Soldering: Max 260°C for 3 seconds, lead portion up to 1.6mm from device body. Form leads before soldering.
️· IR Emission: The lamp emits some IR light; consider this if using near photodetectors.

## Important Notes
️· Strict adherence to absolute maximum ratings is essential for reliable operation.
️· The product is intended for general electronic applications and should not be used in critical life-support or high-reliability systems unless expressly permitted.
️· GaAs is used; handle carefully to avoid exposure.
️· Comply with all applicable export regulations.