Product Overview
NPN Silicon Small Signal Transistor, TO-18 Metal Can, 80V 0.1A - Unused NOS for Vintage Repair and Custom Audio Builds
Condition
Unused NOS. Sourced from an electronics distributor consolidating inventory. Silver metal can body with gold flange and three gold leads intact. Date code 6511 visible on label. Evaluation: Visual inspection only. Function testing not performed.
Same or next business day shipping from our Idaho warehouse. Honest pricing, no nonsense.
Online since 1999. We are here for our customers, with a no-hassle satisfaction guarantee.
Product Overview
The 2N1573 is an NPN silicon small signal transistor in a TO-18 metal can package, rated at 80V collector-emitter voltage, 0.1A collector current, and 0.6W power dissipation. Suited for small signal amplification and switching applications in vintage and custom circuits where the original part type is specified or preferred.
Key Features
- Type: NPN bipolar junction transistor (BJT)
- Collector-Emitter Voltage (VCEO): 80V
- Collector Current (IC): 0.1A (100mA)
- Power Dissipation: 0.6W
- Package: TO-18 metal can with gold flange and three gold leads
- Date code 6511 visible on label
- Marking on top of can: 2N1573 and B - manufacturer identity not confirmed
Applications
- Replacing a failed 2N1573 in a vintage radio or audio amplifier - pulling the original part, confirming pinout, dropping this one in to restore the circuit to spec
- Restoring vintage test equipment where substituting a modern equivalent would change gain or noise characteristics enough to matter
- Breadboarding a custom audio preamplifier or sensitive RF front-end where the specific characteristics of an older silicon small signal part are part of the design intent
- Hobbyist and maker projects that call for TO-18 metal can transistors in low-power switching or amplification stages
Frequently Asked Questions
What does the B marking on the top of the can mean?
The B marking is visible on the unit but its meaning is not confirmed. It may indicate a gain (hFE) selection bin, a manufacturer lot code, or a manufacturer logo - possibilities noted include Bendix and Burroughs, though neither has been verified for this specific unit. If gain binning matters for your application, measure hFE before installation.
What is the pinout for this transistor?
The 2N1573 is housed in a TO-18 metal can package. Standard TO-18 pinout applies, but pinout can vary between manufacturers. Confirm orientation of emitter, base, and collector before soldering, particularly when replacing a part in a vintage circuit.
Is this compatible with circuits designed for 2N1572 or 2N1574?
The 2N1572 and 2N1574 are listed as similar types in the same family, but ratings and gain characteristics may differ. Verify your circuit's requirements against the 2N1573 specifications before substituting.
Does this include a datasheet or any documentation?
Not included. This is a bare component only.
A TO-18 can with gold leads and a date code from 1965 - this one has been waiting a long time for the right circuit. Now it is your call where it lands.
