Nexperia USA Inc. BZV55-C7V5,135

Overview

BZV55-C7V5,135 from Nexperia is a 7.5 V ±5 % Zener voltage regulator diode in a hermetically sealed glass SOD80C surface-mount package, rated for 400 mW total power dissipation at T_amb ≤ 50 °C and 500 mW at T_tp ≤ 50 °C, with 1 µA reverse leakage at V_R = 5 V, used for low-power voltage reference and regulation in analog sensor signal conditioning circuits.

For engineers reviewing the BZV55-C7V5,135 datasheet, BZV55-C7V5,135 pinout, BZV55-C7V5,135 application, or BZV55-C7V5,135 equivalent, this part serves as a precision low-current shunt reference in battery-powered instrumentation, microcontroller reset supervision, and analog front-end biasing where stable 7.5 V clamping and low thermal drift are required.

Technical Context

This Zener diode operates in reverse breakdown to maintain a stable 7.5 V reference across its terminals under controlled current conditions (I_Z = 5 mA typical), with a nominal temperature coefficient of +2.5 mV/K and differential resistance of 30–80 Ω depending on test current. Its low 150 pF junction capacitance supports stable operation up to mid-frequency analog signal paths.

The device uses a planar silicon process with hermetic glass encapsulation for long-term stability and moisture resistance, and is characterized for non-repetitive surge handling up to 40 W for 100 µs square-wave pulses at T_j = 25 °C prior to surge.

Key Specifications

Pinout & Package

Hermetically sealed glass SOD80C package: 3.3–3.7 mm length × 1.45–1.60 mm width × 0.3 mm height; cathode indicated by marking band.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar Zener voltage reference applications.

Compared with BZV55-C7V5,135, the BZV55-B7V5,115 offers superior initial accuracy at higher cost and unchanged thermal performance, while MMBZ5236BS-7-F trades 100 mW power headroom and larger thermal resistance for smaller footprint-making the original optimal for cost-sensitive, thermally constrained 7.5 V reference use cases.

Availability

BZV55-C7V5,135 is available at Aetrix Electronics and suitable for power supply monitoring, microcontroller reset generation, analog sensor biasing, and ADC reference voltage applications requiring stable component supply with consistent parametric performance across production lots.

Supply support for BZV55-C7V5,135 includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.

Manufacturer

Nexperia is a global semiconductor expert delivering high-performance, reliable discrete, logic, and MOSFET devices with focus on efficiency, reliability, and miniaturization for industrial, automotive, and consumer markets.

The BZV55 series belongs to Nexperia's precision low-power Zener diode product line, engineered specifically for stable voltage reference and regulation in space-constrained, cost-sensitive analog and mixed-signal applications.

FAQ

What is the maximum continuous reverse current for reliable long-term operation?

The BZV55-C7V5,135 is rated for 250 mA maximum forward current, but for Zener regulation, continuous reverse current must be limited to maintain junction temperature below 150 °C. At 7.5 V and 400 mW dissipation, max I_Z = 53 mA; practical design limits are 1–10 mA for stability and thermal margin.

Can this diode be used in series or parallel configurations for higher voltage or current handling?

Series connection is not recommended due to mismatched temperature coefficients causing unequal voltage sharing and thermal runaway. Parallel use is prohibited-parameter variation between units leads to current hogging and premature failure. Use single-device designs or dedicated multi-Zener ICs instead.

How does the ±5 % tolerance affect accuracy in a 12-bit ADC reference application?

At 7.5 V nominal, ±5 % tolerance equals ±0.375 V, or ±50 LSB of a 12-bit 3.3 V full-scale ADC using resistive scaling. For sub-LSB accuracy, external trimming or post-calibration is required; the diode serves best as a coarse reference or supervisory threshold.

Is the SOD80C package compatible with standard reflow soldering profiles?

Yes-the SOD80C package is qualified for lead-free reflow per JEDEC J-STD-020. Peak temperature must not exceed 260 °C for ≤10 seconds, with ramp rates ≤3 °C/s. The 1.6 mm width and 3.5 mm length align with standard 0805 land patterns modified for cathode marking alignment.