RCA 0A2  Gas-Filled 150V Regulator

The RCA 0A2 

is a 7 pin cold cathode, gas-filled diode of miniature construction designed tor use as a voltage regulator. It has on operating current range of 5 ta 30 milliamperes over which it maintains a substantially constant operating voltage of 150 volts. Three cathode pins are provided which may be used to disconnect the load when the tube is removed from the socket.

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  • Miniature type 7-Pin
  • RCA Radio Tube NOS/NIB - New Old Stock / New In Box
  • NEW OLD STOCK / NEVER USED / NEVER PLUGGED IN
  • Ships in Original Box
  • Made in U.S.A.
  • 14 day returns - Buyer pays for return shipping
  • Tube Data Sheet - 0A2
  • This tube cannot be tested before shipping
  • See Specifications/Data Sheet Below
  • Call for Assistance
  • Pay using PayPal: You do not need a PayPal account to order using PayPal. All Credit/Debit Cards accepted. no PayPal account needed

THIS TUBE WAS ORIGINALLY PURCHASED BETWEEN 1975-1985
TUBES TAKEN FROM BULK PACKS ARE SHIPPED IN BUBBLE WRAP OR FOAM PACKING

Complete Specifications Data and tube socket pin designations for the 0A2 Vacuum Tube Page
NOTE: Features, prices and specifications subject to change without notice. Not responsible for typographical or technical errors, information presented is for general evaluation only.

0A2 - RCA Cold Cathode Gas-Filled 150V Regulator 7-Pin Vintage Miniature Vacuum Tube NOS w/Box

  • Product Code: 0A2
  • Availability: In Stock
  • $14.00


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National 6BE6   Heptode Pentagrid The National 6BE6  is a miniature heptode prima..

$7.50

6BH6  - GE Sharp-Cutoff Pentode 7-Pin Vintage Miniature Vacuum Tube NOS w/Box

6BH6 - GE Sharp-Cutoff Pentode 7-Pin Vintage Miniature Vacuum Tube NOS w/Box

GE 6BH6  Sharp-Cutoff Pentode The GE 6BH6  is a 7-pin Miniature type Sharp-Cutoff Pen..

$4.50

6BH6  - SYLVANIA Sharp-Cutoff Pentode 7-Pin Vintage Miniature Vacuum Tube NOS w/Box

6BH6 - SYLVANIA Sharp-Cutoff Pentode 7-Pin Vintage Miniature Vacuum Tube NOS w/Box

SYLVANIA 6BH6  Sharp-Cutoff Pentode The SYLVANIA 6BH6  is a 7-pin Miniature type Shar..

$7.50

6146A - RCA Beam Powered Pentode 8-Pin Octal Vintage Transmit Vacuum Tube

6146A - RCA Beam Powered Pentode 8-Pin Octal Vintage Transmit Vacuum Tube

RCA 6146A  Beam Powered Pentode The RCA 6146A  is a 8-pin Octal type Beam Power Trans..

$19.00

6146B/S2001A - MATSUSHITA Beam Powered Pentode 8-Pin Octal Vintage Transmit Vacuum Tube

6146B/S2001A - MATSUSHITA Beam Powered Pentode 8-Pin Octal Vintage Transmit Vacuum Tube

MATSUSHITA 6146B  Beam Pentode The MATSUSHITA 6146B/S2001A  is a rare Japanese versio..

$24.00

6146B - GE Beam Powered Pentode 8-Pin Octal Vintage Transmit Vacuum Tube Pre-Owned

6146B - GE Beam Powered Pentode 8-Pin Octal Vintage Transmit Vacuum Tube Pre-Owned

GE 6146B  Beam Powered Pentode The GE 6146B  is a 8-pin Octal type Beam Power Transmi..

$7.50

6HS6 - RCA Sharp Cut Off Pentode 7-Pin Vintage Miniature Vacuum Tube NOS w/Box

6HS6 - RCA Sharp Cut Off Pentode 7-Pin Vintage Miniature Vacuum Tube NOS w/Box

RCA 6HS6  RF Pentode The RCA 6HS6  is a 7-pin miniature Sharp-Cutoff Pentode used as ..

$39.00

6FM7  - SYLVANIA Dual Triode Duodecar 12-Pin Vintage Miniature Vacuum Tube NOS w/Box

6FM7 - SYLVANIA Dual Triode Duodecar 12-Pin Vintage Miniature Vacuum Tube NOS w/Box

SYLVANIA 6FM7  Dual Triode Duodecar The SYLVANIA 6FM7  is a miniature Dual Triode Duo..

$9.00

6146B - GE Beam Powered Pentode 8-Pin Octal Vintage Transmit Vacuum Tube NOS

6146B - GE Beam Powered Pentode 8-Pin Octal Vintage Transmit Vacuum Tube NOS

GE 6146B  Beam Powered Pentode The GE 6146B  is a 8-pin Octal type Beam Power Transmi..

$24.00

6360 - Edicron Twin Beam Power Tetrode 9-Pin Vintage Vacuum Tube NOS w/Box

6360 - Edicron Twin Beam Power Tetrode 9-Pin Vintage Vacuum Tube NOS w/Box

Edicron 6360  Twin Power Tetrode The Edicron 6360  is a 9-pin miniature twin beam tet..

$9.00

6AB4  - TUNG-SOL High-Mu Triode 7-Pin Vintage Miniature Vacuum Tube NOS w/Box

6AB4 - TUNG-SOL High-Mu Triode 7-Pin Vintage Miniature Vacuum Tube NOS w/Box

TUNG-SOL 6AB4  High-Mu Triode The TUNG-SOL 6AB4  is a 7-pin miniature High-Mu Triode ..

$19.00

6AC10  - GE Compactron High-Mu Triple Triode Duodecar 12-Pin Vintage Vacuum Tube NOS w/Box

6AC10 - GE Compactron High-Mu Triple Triode Duodecar 12-Pin Vintage Vacuum Tube NOS w/Box

GE 6AC10  Compactron Triple Triode The GE 6AC10  is a 12-pin compactron containing a ..

$39.00

6AV6  -  GE Duplex-Diode High-Mu Triode 7-Pin Vintage Miniature Vacuum Tube in Box NOS

6AV6 - GE Duplex-Diode High-Mu Triode 7-Pin Vintage Miniature Vacuum Tube in Box NOS

GE 6AV6  High-Mu Triode The General Electric 6AV6  7 pin miniature duplex-diode, high-..

$7.50

6FD7 - SYLVANIA High-Mu Low-Mu Triode Dual Triode 9-Pin Vintage Miniature Vacuum Tube NOS w/Box

6FD7 - SYLVANIA High-Mu Low-Mu Triode Dual Triode 9-Pin Vintage Miniature Vacuum Tube NOS w/Box

SYLVANIA 6FD7  Dual Triode The SYLVANIA 6FD7  is a 9-pin miniature tube with High-Mu ..

$19.00

6FM7  - GE Compactron Dual Triode Duodecar 12-Pin Vintage Miniature Vacuum Tube NOS w/Box

6FM7 - GE Compactron Dual Triode Duodecar 12-Pin Vintage Miniature Vacuum Tube NOS w/Box

GE 6FM7  Dual Triode Duodecar The GE 6FM7  is a miniature Dual Triode Duodecar type u..

$9.00

6BE6  - RCA Heptode Pentagrid 7-Pin Vintage Miniature Vacuum Tube NOS

6BE6 - RCA Heptode Pentagrid 7-Pin Vintage Miniature Vacuum Tube NOS

RCA 6BE6   Heptode Pentagrid The RCA 6BE6  is a miniature heptode primarily desig..

$7.50

6DS4  -  RCA Hi-Mu Triode Grounded Cathode RF Amplifier Nuvistor 5-Pin Vintage Vacuum Tube NOS

6DS4 - RCA Hi-Mu Triode Grounded Cathode RF Amplifier Nuvistor 5-Pin Vintage Vacuum Tube NOS

RCA 6DS4  Hi-Mu Triode The RCA 6DS4  is a Nuvistor type used as a grounded-cathode, ..

$19.00

6DS4  -  GE Hi-Mu Triode Grounded Cathode RF Amplifier Nuvistor 5-Pin Vintage Vacuum Tube NOS

6DS4 - GE Hi-Mu Triode Grounded Cathode RF Amplifier Nuvistor 5-Pin Vintage Vacuum Tube NOS

GE 6DS4  Hi-Mu Triode The GE 6DS4  is a Nuvistor type used as a grounded-cathode, ne..

$19.00

6GW8  - SYLVANIA High-Mu Triode Sharp-Cutoff Pentode 9-Pin Vintage Vacuum Tube NOS w/Box ECL86

6GW8 - SYLVANIA High-Mu Triode Sharp-Cutoff Pentode 9-Pin Vintage Vacuum Tube NOS w/Box ECL86

SYLVANIA 6GW8   Pentode Triode The SYLVANIA 6GW8/ECL86  is a 9-pin miniature tub..

$39.00

0B2 - SYLVANIA Cold Cathode Gas-Filled 108V Regulator 7-Pin Vintage Miniature Vacuum Tube NOS w/Box

0B2 - SYLVANIA Cold Cathode Gas-Filled 108V Regulator 7-Pin Vintage Miniature Vacuum Tube NOS w/Box

SYLVANIA 0B2  Gas-Filled 108V Regulator The SYLVANIA 0B2  is a 7 pin cold cathode, ga..

$4.50

0B2 - Raytheon Cold Cathode Gas-Filled 108V Regulator 7-Pin Vintage Miniature Vacuum Tube NOS w/Box

0B2 - Raytheon Cold Cathode Gas-Filled 108V Regulator 7-Pin Vintage Miniature Vacuum Tube NOS w/Box

Raytheon 0B2  Gas-Filled 108V Regulator The Raytheon 0B2  is a 7 pin cold cathode, ga..

$4.50

35W4  - SYLVANIA Half-Wave Rectifier 7-Pin Vintage Miniature Vacuum Tube NOS w/Box

35W4 - SYLVANIA Half-Wave Rectifier 7-Pin Vintage Miniature Vacuum Tube NOS w/Box

SYLVANIA 35W4  Half-Wave Rectifier The SYLVANIA 35W4  is a Half-Wave Vacuum Rectifie..

$7.50

6EL4A/6BK4C  - GE Beam Triode 8-Pin Octal Vintage Vacuum Tube NOS w/Box

6EL4A/6BK4C - GE Beam Triode 8-Pin Octal Vintage Vacuum Tube NOS w/Box

GE 6EL4A  Beam Triode The GE 6EL4A/6BK4C  is a Glass octal type used for the voltage ..

$9.00

2E26 - RCA Beam Powered Pentode 8-Pin Octal Vintage Transmit Vacuum Tube Pre-Owned

2E26 - RCA Beam Powered Pentode 8-Pin Octal Vintage Transmit Vacuum Tube Pre-Owned

GE 2E26  Beam Powered Pentode The GE 2E26  is a Glass-octal heater-cathode type used ..

$7.50

7056 - GE High Transconductance Sharp-Cutoff Pentode 7-Pin Vintage Vacuum Tube NOS w/Box

7056 - GE High Transconductance Sharp-Cutoff Pentode 7-Pin Vintage Vacuum Tube NOS w/Box

GE 7056  Sharp-Cutoff Pentode The GE 7056  is a 7-pin miniature high transconductance..

$9.00

6AS5 - GE Beam Power Pentode 7-Pin Vintage Miniature Vacuum Tube NOS w/Box

6AS5 - GE Beam Power Pentode 7-Pin Vintage Miniature Vacuum Tube NOS w/Box

GE 6AS5  Beam Power Pentode The GE 6AS5  is a 7-pin miniature Beam Power Pentode Tube..

$9.00

6267 - GE High Transconductance Sharp-Cutoff Pentode 9-Pin Vacuum Tube NOS w/Box EF86

6267 - GE High Transconductance Sharp-Cutoff Pentode 9-Pin Vacuum Tube NOS w/Box EF86

GE 6267 / EF86  Sharp-Cutoff Pentode The GE 6267/EF86  is a 9-pin miniature high tran..

$29.00

6U8A - GE Sharp-Cutoff Pentode Medium-Mu Triode 9-Pin Vintage Vacuum Tube NOS w/Box 6KD8 6AX8 5KD8

6U8A - GE Sharp-Cutoff Pentode Medium-Mu Triode 9-Pin Vintage Vacuum Tube NOS w/Box 6KD8 6AX8 5KD8

GE 6U8A  Pentode Triode The GE 6U8A / 6KD8 / 6AX8 / 5KD8  is a 9-pin miniature tube w..

$9.00

6DS5 - GE Beam Power Pentode 7-Pin Vintage Miniature Vacuum Tube NOS w/Box

6DS5 - GE Beam Power Pentode 7-Pin Vintage Miniature Vacuum Tube NOS w/Box

GE 6DS5  Beam Power Pentode The GE 6DS5  is a 7-pin miniature type Beam Power Pentode..

$7.50

6GH8A  - GE Pentode Triode 9-Pin Vintage Miniature Vacuum Tube NOS w/Box

6GH8A - GE Pentode Triode 9-Pin Vintage Miniature Vacuum Tube NOS w/Box

GE 6GH8A   Pentode Triode The GE 6GH8A  is a 9-pin miniature tube which contains..

$9.00

6BQ7A - RAYTHEON Medium-Mu Twin Triode 9-Pin Vintage Miniature Vacuum Tube NOS 6BZ7 6BS8

6BQ7A - RAYTHEON Medium-Mu Twin Triode 9-Pin Vintage Miniature Vacuum Tube NOS 6BZ7 6BS8

RAYTHEON 6BQ7A   Twin Triode The RAYTHEON 6BQ7A / 6BZ7 / 6BS8  is a 9-pin miniat..

$4.50

6BW4 - GE Full-Wave Rectifier 9-Pin Vintage Miniature Vacuum Tube NOS w/Box

6BW4 - GE Full-Wave Rectifier 9-Pin Vintage Miniature Vacuum Tube NOS w/Box

GE 6BW4  Full-Wave Rectifier The GE 6BW4  is a 9-pin miniature type used in full-wave..

$9.00

6AZ8 - SYLVANIA Medium-Mu Triode Sharp Cutoff Pentode 9-Pin Vintage Miniature Vacuum Tube NOS w/Box

6AZ8 - SYLVANIA Medium-Mu Triode Sharp Cutoff Pentode 9-Pin Vintage Miniature Vacuum Tube NOS w/Box

SYLVANIA 6AZ8   Triode Pentode The SYLVANIA 6AZ8  is a 9-pin miniature Medium-Mu..

$7.50

6BN8 - SYLVANIA Twin Diode High-Mu Triode 9-Pin Vintage Miniature Vacuum Tube NOS w/Box

6BN8 - SYLVANIA Twin Diode High-Mu Triode 9-Pin Vintage Miniature Vacuum Tube NOS w/Box

SYLVANIA 6BN8  Twin Diode Triode The SYLVANIA 6BN8  is a 9-pin miniature Twin Diode H..

$9.00

6AS6 - GE Sharp Cut-Off Pentode 7-Pin Vintage Miniature Vacuum Tube NOS w/Box

6AS6 - GE Sharp Cut-Off Pentode 7-Pin Vintage Miniature Vacuum Tube NOS w/Box

GE 6AS6  Sharp Cut-Off Pentode The GE 6AS6  is a 7-pin miniature sharp-cut-off pentod..

$4.50

0A2 - GE Cold Cathode Gas-Filled 150V Regulator 7-Pin Vintage Miniature Vacuum Tube NOS w/Box

0A2 - GE Cold Cathode Gas-Filled 150V Regulator 7-Pin Vintage Miniature Vacuum Tube NOS w/Box

GE 0A2  Gas-Filled 150V Regulator The GE 0A2  is a 7 pin cold cathode, gas-filled dio..

$14.00

6BQ5 - NATIONAL Power Pentode 9-Pin Vintage Miniature Vacuum Tube NOS EL84

6BQ5 - NATIONAL Power Pentode 9-Pin Vintage Miniature Vacuum Tube NOS EL84

NATIONAL 6BQ5   Power Pentode The NATIONAL 6BQ5 / EL84  is a 9-pin miniature Pow..

$19.00

6AB4  - RCA High-Mu Triode 7-Pin Vintage Miniature Vacuum Tube NOS w/Box

6AB4 - RCA High-Mu Triode 7-Pin Vintage Miniature Vacuum Tube NOS w/Box

RCA 6AB4  High-Mu Triode The RCA 6AB4  is a 7-pin miniature High-Mu Triode used as ca..

$19.00

6BZ6 - SYLVANIA Semi-Remote-Cutoff Pentode 7-Pin Vintage Miniature Vacuum Tube NOS w/Box

6BZ6 - SYLVANIA Semi-Remote-Cutoff Pentode 7-Pin Vintage Miniature Vacuum Tube NOS w/Box

SYLVANIA 6BZ6/6JS6  Triode Pentode The SYLVANIA 6BZ6/6JS6  is a 7-pin triode-pentode ..

$9.00

6BW8 - RCA Twin Diode Sharp-Cutoff Pentode 9-Pin Vintage Miniature Vacuum Tube NOS w/Box

6BW8 - RCA Twin Diode Sharp-Cutoff Pentode 9-Pin Vintage Miniature Vacuum Tube NOS w/Box

RCA 6BW8  Twin Diode  Pentode The RCA 6BW8  is a 9-pin miniature type used in TV..

$7.50

12AU7A  -  Amperex Twin Triode Amp ECC82 9-Pin Vintage Miniature Vacuum Tube NOS

12AU7A - Amperex Twin Triode Amp ECC82 9-Pin Vintage Miniature Vacuum Tube NOS

Amperex  12AU7A (ECC82) Twin Triode The Amperex 12AU7A (ECC82) is a 9 pin miniature type u..

$55.00

12AU7A  -  SYLVANIA Twin Triode Amp ECC82 9-Pin Vintage Miniature Vacuum Tube NOS

12AU7A - SYLVANIA Twin Triode Amp ECC82 9-Pin Vintage Miniature Vacuum Tube NOS

SYLVANIA  12AU7A (ECC82) Twin Triode The SYLVANIA 12AU7A (ECC82) is a 9 pin miniature type..

$19.00

12AT7  -  Twin Triode Amp ECC81 9-Pin Vintage Miniature Vacuum Tube PRE-OWNED

12AT7 - Twin Triode Amp ECC81 9-Pin Vintage Miniature Vacuum Tube PRE-OWNED

12AT7 (ECC81) Twin Triode Pre-Owned The 12AT7 (ECC81)  is a 9 pin miniature type l2AT7 is a..

$4.50

12AX7A  -  Twin Triode Amp ECC83 9-Pin Vintage Miniature Vacuum Tube PRE-OWNED

12AX7A - Twin Triode Amp ECC83 9-Pin Vintage Miniature Vacuum Tube PRE-OWNED

12AX7A (ECC83) Twin Triode Pre-Owned The 12AX7A (ECC83)is a 9 pin miniature type high-mu twin tr..

$9.00

12AX7A  -  Browning Laboratories Twin Triode Amp ECC83 9-Pin Vintage Vacuum Tube PRE-OWNED

12AX7A - Browning Laboratories Twin Triode Amp ECC83 9-Pin Vintage Vacuum Tube PRE-OWNED

Browning  12AX7A (ECC83) Twin Triode The Browning 12AX7A (ECC83)Manufactured for and used e..

$29.00

12AT7  -  Browning Laboratories Twin Triode Amp ECC81 9-Pin Vintage Vacuum Tube PRE-OWNED

12AT7 - Browning Laboratories Twin Triode Amp ECC81 9-Pin Vintage Vacuum Tube PRE-OWNED

Browning  12AT7 (ECC81) Twin Triode The Browning 12AT7 (ECC81)  Manufactured for and u..

$19.00

12AU7A  -  Browning Laboratories Twin Triode Amp ECC82 9-Pin Vintage Vacuum Tube PRE-OWNED

12AU7A - Browning Laboratories Twin Triode Amp ECC82 9-Pin Vintage Vacuum Tube PRE-OWNED

Browning  12AU7A (ECC82) Twin Triode The Browning 12AU7A (ECC82) Manufactured for and used..

$19.00

12BY7A  -  Browning Laboratories miniature power pentode 9-Pin Vintage Vacuum Tube PRE-OWNED

12BY7A - Browning Laboratories miniature power pentode 9-Pin Vintage Vacuum Tube PRE-OWNED

Browning  12BY7A  Power Pentode The Browning 12BY7AManufactured for and used extensive..

$19.00

12AX7A  -  SYLVANIA Twin Triode Amp ECC83 7025 9-Pin Vintage Miniature Vacuum Tube NOS w/Box

12AX7A - SYLVANIA Twin Triode Amp ECC83 7025 9-Pin Vintage Miniature Vacuum Tube NOS w/Box

SYLVANIA 12AX7A (ECC83) Twin Triode The SYLVANIA 12AX7A (ECC83)is a 9 pin miniature type high-mu..

$49.00

12AU7A  -  GE Twin Triode Amp ECC82 9-Pin Vintage Vacuum Tube PRE-OWNED

12AU7A - GE Twin Triode Amp ECC82 9-Pin Vintage Vacuum Tube PRE-OWNED

GE  12AU7A (ECC82) Twin Triode The General Electric 12AU7A (ECC82) is a 9 pin miniature ty..

$9.00

12BY7A  -  General Electric miniature power pentode 9-Pin Vintage Vacuum Tube PRE-OWNED

12BY7A - General Electric miniature power pentode 9-Pin Vintage Vacuum Tube PRE-OWNED

GE  12BY7A  Power Pentode Pre-Owned The General Electric 12BY7Ais a 9 pin miniature po..

$4.50

25Z6GT  -  KEN-RAD Rectifier-Doublier 8-Pin Octal Vintage Dual Diode Vacuum Tube PRE-OWNED

25Z6GT - KEN-RAD Rectifier-Doublier 8-Pin Octal Vintage Dual Diode Vacuum Tube PRE-OWNED

25Z6GT  Rectifier-Doublier  Pre-Owned The KEN-RAD 25Z6GTis a 8-pin Octal base tube use..

$4.50

7558  - SYLVANIA Beam Power Pentode Industrial Version 9-Pin Vintage Miniature Vacuum Tube PRE-OWNED

7558 - SYLVANIA Beam Power Pentode Industrial Version 9-Pin Vintage Miniature Vacuum Tube PRE-OWNED

SYLVANIA 7558  Beam Power Pentode The SYLVANIA 7558  is a 9-pin Miniature type for us..

$7.50

6EJ7 - Amperex Sharp Cutoff Pentode 9-Pin Vintage Miniature Vacuum Tube (EF184) PRE-OWNED

6EJ7 - Amperex Sharp Cutoff Pentode 9-Pin Vintage Miniature Vacuum Tube (EF184) PRE-OWNED

Amperex 6EJ7  Sharp Cutoff Pentode The Amperex 6EJ7  is a 9-pin miniature high transc..

$4.50

Tags: 0a2, gas filled, diode, 7-pin, rca, vacuum tube, electron tube, glass, miniature, vintage, 150 volt, nos