LEDs

Type 9121 ...

LEDs

Plug-in LEDs in green, yellow and red, also with series resistor for 5 V and 15 V and as a flashing LED.

Description

pluggable, in an unbreakable transparent plastic housing with two gold-plated lamella plugs

The circuit symbol is printed in white on the top of the housing.

Technical data

  • Plug spacing: 19 mm
  • Plug diameter: 4 mm
  • Housing dimensions: 38 x 19 x 35 mm (W x D x H)

Individual types

Colour Type UR UF (at IF = 20 mA)
green 9121.10-GN 5 V 2,0 V ... 2,6 V
yellow 9121.10-YE 5 V 2,0 V ... 2,6 V
red 9121.10-RD 5 V 1,6 V ... 2,0 V
green 9121.11-GN-5V 5 V with series resistor
red 9121.11-RD-5V 5 V with series resistor
yellow 9121.11-YE-5V 5 V with series resistor
green 9121.12-GN-15V 15 V with series resistor
yellow 9121.12-YE-15V 15 V with series resistor
red 9121.12-RD-15V 15 V with series resistor
red 9121.13 5 V flashing LED

UR = reverse voltage, IF = forward current, UF = forward voltage

Type numbers as named in the component overviews and experiments of the hps manuals. The detail page of each type lists the experiments in which it is used. As of 2026-09-06

Type Description Experiments Manuals
9121.10 No description in the manual 2 V 0103 V 0105
9121.12 No description in the manual V 0106
9121.10.3 LED 4 V 0103 V 0105

For types without a description, the manual only names the type number.

Taken from the tables of contents of the hps experiment manuals (titles, numbers and pages). All manuals are German; titles are shown in the original language. All manuals and experiments

V 0103 Halbleiterbauelemente Manual · 168 pages 2 experiments

Mentioned in 2 experiments Named in the manual as 9121.10.3, 9121.10 View table of contents

  1. 1.2 Kennliniendarstellung von Dioden verschiedener Halbleiterwerkstoffe 1 × p. 3
  2. 3 Leuchtdioden 2 × p. 27
V 0105 Grundlagenversuche Elektrotechnik–Elektronik Manual · 274 pages 2 experiments

Mentioned in 2 experiments Named in the manual as 9121.10.3, 9121.10 View table of contents

  1. 17.2 Kennliniendarstellung von Dioden verschiedener Halbleiterwerkstoffe 1 × p. 163
  2. 17.7 Leuchtdioden 2 × p. 179