Overview
The 1N964B zener diode is a leaded silicon zener diode designed for voltage regulation and circuit protection applications. Manufactured by Central Semiconductor, this component delivers precise 13V voltage regulation with stable thermal performance across industrial and consumer electronic systems.
Key Features
- Silicon construction for reliable, long-term performance
- 13V nominal zener voltage with ±5% tolerance
- 500mW power dissipation capability
- DO-35 through-hole package for easy board mounting
- RoHS compliant design
- Tested and verified for peak reflow compatibility (260°C)
Technical Specifications
The 1N964B is specified for typical operation at 9.5mA zener current, delivering stable 13V regulation. The diode exhibits minimal leakage and consistent forward/reverse characteristics essential for precision voltage reference and transient suppression circuits.
Typical Applications
- Voltage reference circuits in analog instrumentation
- Overvoltage protection for logic and microcontroller inputs
- Signal conditioning and biasing networks
- Transient suppression and crowbar protection
- Communication equipment and broadband fixed-line access
- Industrial control and medical device electronics
Compatibility & Replacements
Compatible With
- Standard through-hole PCB designs with 0.1″ pitch
- Analog signal conditioning circuits
- Industrial voltage regulation networks
- Protection circuits in digital and analog systems
Replaces / Drop-In Replacement For
The 1N964B directly replaces other 13V 500mW zener diodes in standard DO-35 packages. Verify pinout and voltage specification match before substitution. The BZX85C13 is a documented modern alternative with similar electrical characteristics.
Works With
- Standard PCB assembly and reflow processes
- Through-hole hand-soldering and wave soldering
- Generic circuit design and SPICE simulation tools
- Industrial-grade voltage regulation and protection schemes
