HISTORIC - RADIUM STANDARD FOR SCINTILLATION COUNTER

HISTORIC - RADIUM STANDARD FOR SCINTILLATION COUNTER

Radiation source or historic curiosity? According to Wikipedia, the Scintillation Counter, invented in 1944, was designed to measure radiation from small amounts of uranium.  These plastic-enclosed cards were apparently designed...

HOLDER FOR 3 AA CELLS W/ WIRES

HOLDER FOR 3 AA CELLS W/ WIRES

Holder for 3 AA size batteries. 2.27" long x 1.90" x 0.66" high. Unbreakable black plastic. 5.5" wire leads.

HOLDER FOR 4 AAA CELLS, 6" LEADS

HOLDER FOR 4 AAA CELLS, 6" LEADS

0.93" x 0.95" x 2.07". 6" wire leads.

ILLUMINATED MULTI POWER HEAD MAGNIFIER & LOUPE

ILLUMINATED MULTI POWER HEAD MAGNIFIER & LOUPE

Illuminated multi-power head magnifier keeps your hands free while enhancing your vision. 2 led bulbs with tilt and angle controls to adjust the light beam. Magnification:1.9x acrylic fixed lens, 1.9x...

IN-LINE AGC (3AG) FUSE HOLDER

IN-LINE AGC (3AG) FUSE HOLDER

For AGC (3AG) fuses. Red wire. Fuse not included

IRF520 MOSFET DRIVER MODULE

IRF520 MOSFET DRIVER MODULE

Small breakout board for the IRF520 MOSFET transistor. The module is designed to switch heavy DC loads from a single digital pin of your microcontroller. Its main purpose is to...

IRFBG30 N-CHANNEL POWER MOSFET

IRFBG30 N-CHANNEL POWER MOSFET

International Rectifier IRFBG30. TO220AB package. 1000V, 3.1A, 5.0 Ohms.

ISD1820 VOICE RECORD/PLAY MODULE

ISD1820 VOICE RECORD/PLAY MODULE

Based on the ISD1820 chip, this multiple-message record/playback device offers true single-chip voice recording, non-volatile storage, and playback capability for 8-20 seconds. Features on-board microphone as well as internal audio...

J-FET IN DUAL OP AMP

J-FET IN DUAL OP AMP

KH P.C. STYLE 14 PIN RELAY SOCKET

KH P.C. STYLE 14 PIN RELAY SOCKET

PC pins for PC board mount.

LASER DIGITAL TACHOMETER

LASER DIGITAL TACHOMETER

This non-contact tachometer detects light reflected off an object and reads out RPM value. Micro computer technology with laser beam gives accurate and fast, once per second, readings. Stores and...

LASER DIODE MODULE, 650NM 4MW 3VDC

LASER DIODE MODULE, 650NM 4MW 3VDC

3.5mW red, 650nm laser diode module. Designed for installation into an OEM product, they are functioning units with a bare, exposed PC board, 6" leads terminated with a 2-contact female...