Audio IC

 STK4151 II IC.

Two (2) channel AF power amplifier, 30 watt.

Package: 18 pin thick film hybrid module.

Listed as Generic Manuf, possibly a Sanyo product.

SANYO - STK4141 V IC, audio.

Two (2) channel AF power amplifier, 25 watt.

Package: 18 pin thick film hybrid module SIP.

 STK4121 IC. Two (2) channel AF power amplifier, 15 watt.

Package: 18 pin thick film hybrid module.

Listed as Generic Manuf, possibly a Sanyo product.

ST Microelectronics - TDA1905 - IC, audio.

The TDA1905 is a monolithic integrated circuit, intended for use as low frequency power amplifier in a wide range of applications in radio and TV sets.

– muting facility
– protection against chip over temperature
– very low noise
– high supply voltage rejection
– low "switch-on" noise
– voltage range 4V to 30V

Status: Discontinued

Supply Voltage: 30V

Peak Current: 3A

Input Voltage: 0 to + Vs

Temp: -40 to 150 C

Power: 5.5 Watt

Impedance Load: 16 Ohms

Case: 16 Dip.

BULK PACKED

SANYO - STK4191 II - IC.

Status: Discontinued

Two (2) channel AF power amplifier, 50 watt.

Package: 18 pin thick film hybrid module.

SANYO - STK4141 II - IC.

Two (2) channel AF Power Amplifier, 25 watt.

Package: 18 Pin Thick Film Hybrid Module.

SANYO - STK4151 II - STK4151II IC.

Two (2) channel AF power amplifier, 30 watt.

Package: 18 pin thick film hybrid module.

NEC Corporation - UPC1242H IC, audio.

High Output Power, Low distortion, & High Reliability.  

7 Watt AF power amplifier.

Package: 8 Sip.

Designed for 2 ohm load circuit.

Applications: Car Radio & Sterios.

New.

NEC Corporation - UPC1241H IC, Audio Power Amp Integrated Circuit.

Status: Discontinued

7 Watt AF Power Amplifier.

Gain: 51.5 dNB

Output Current 4.5A

Operating Temperature: -30 C to 75 C

Supply Current: 80 mA

Supply Voltage: 9.5 to 16.0 V

Package: 8 SIP. (8 pin Single Inline)

New Old Stock Bulk packaged.

NTE  Electronics Inc - NTE1484 -IC, audio.

FM PLL stereo demod with post amp, lamp driver, tuner receiver.

Case: 16 Dip.

New.

Alternate: Cross ECG1484.

Rohm - BA3812L - IC, Audio. 5 Point Graphic Equalizer.

The BA3812L is a five-point graphic equalizer that has all the required functions integrated onto one IC. The IC is comprised of the five tone control circuits and input and output buffer amplifiers.

The BA3812L features low distortion, low noise, and wide dynamic range, and is an ideal choice for Hi-Fi stereo applications. It also has a wide operating voltage range (3.5V to 16V), which means that it can be adapted for use with most types of stereo equipment.

Status: Discontinued

Operating Temperature: -25 C to 75 C

Number of Channels: 5

Case: 18 ZIP = 18 Pin Staggered Leads.

Genuine Rohm - New Old Stock.