The C10PH refers to a 10V Zener diode commonly used for voltage regulation and stabilization in electronic circuits. While "C10PH" is often a marking code rather than a full part number, it typically corresponds to high-reliability components like the BZD27C10PH (Taiwan Semiconductor) or the axial-leaded BZX85-C10 (NXP/Philips) . Key Technical Specifications Depending on the specific physical package (SMD vs. Through-hole), the specifications vary slightly: Surface Mount (BZD27C10PH) Through-Hole (BZX85-C10) Zener Voltage ( Vzcap V sub z ) 10V (9.4V to 10.6V range) 10V (±5% tolerance) Power Dissipation 1.0W to 2.3W (peak) 1.0W to 1.3W Package Type Sub SMA (Surface Mount) DO-41 or DO-35 (Glass) Max Junction Temp Test Current ( Iztcap I sub z t end-sub ) Core Features & Applications C10ph zener diode datasheet pdf
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Deep Feature: The C10PH Zener Diode – Precision Voltage Regulation in a Compact Package 1. Overview & Device Identity The C10PH is a surface-mount Zener diode designed for precision voltage clamping and regulation. The "C10PH" designation typically follows manufacturer-specific coding (commonly associated with General Semiconductor (Vishay) or equivalent brands like STMicroelectronics or Diodes Inc. in the SOD-123FL or SMA package).
C often indicates the device series or voltage tolerance (e.g., ±5%). 10 indicates the nominal Zener voltage: 10 V . PH may denote package type (e.g., SOD-123FL, small footprint) or a specific lot/code. diodo zener c10ph
Thus, the C10PH is a 10 V, surface-mount Zener diode targeting low-to-medium power regulation. 2. Key Electrical Characteristics (Typical values based on industry equivalents) | Parameter | Symbol | Value | Conditions | |-----------|--------|-------|-------------| | Zener Voltage (Nominal) | VZ | 10 V | IZT = 5 mA | | Zener Voltage Range | VZ | 9.4 V – 10.6 V | Tolerance ±5% | | Maximum Power Dissipation | PD | 500 mW (or 1 W, check datasheet) | TA = 25°C | | Maximum Reverse Leakage Current | IR | 5 µA (typical) | VR = 7.5 V | | Dynamic Impedance | ZZT | 15 Ω (max) | IZT = 5 mA | | Maximum Surge Current | IZSM | ~10 A (8.3 ms pulse) | – | | Operating Junction Temperature | TJ | -65°C to +150°C | – |
Note: Always verify exact ratings with the manufacturer’s datasheet, as some “C10PH” variants may be rated at 1 W (e.g., in SMA package).
3. Physical & Package Details
Package Style: SOD-123FL (very low profile) or SMA (DO-214AC). Marking: Body marked with "C10PH" or abbreviated code "PH" with cathode band. Dimensions (SOD-123FL): ~2.8 mm x 1.8 mm x 1.0 mm. Mounting: Surface-mount, compatible with reflow soldering (JEDEC J-STD-020). Terminals: Matte tin-plated, solderable per JESD22-B102.
The small package makes it ideal for portable, densely populated PCBs (smartphones, wearables, IoT sensors). 4. Internal Construction & Physics Like all Zener diodes, the C10PH is a heavily doped silicon PN junction operating in reverse breakdown. For a 10 V device, the breakdown mechanism is a mix of Zener breakdown (dominant below 5–6 V) and avalanche breakdown (dominant above 6 V). At 10 V, the C10PH operates primarily in the avalanche region , which provides:
A sharper breakdown knee compared to pure Zener devices. Positive temperature coefficient of VZ (voltage rises with temperature). The C10PH refers to a 10V Zener diode
The junction is passivated with glass or planar oxide to ensure low leakage and high stability over time. 5. Thermal & Reliability Features
Power Derating: Linear derating above 75°C (e.g., 5 mW/°C for 500 mW part). At 125°C, PD reduces to ~250 mW. Thermal Resistance (RθJA): ~350°C/W for SOD-123FL on FR4 board. Reliability: