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Renesas HZS2C2TA-E
- Part No.:
- HZS2C2TA-E
- Manufacturer:
- Renesas
- Category:
- Single Zener Diodes
- Package:
- -
- Datasheet:
-
HZS2C2TA-E.pdf
- Description:
- DIODE ZENER 0.4W
- Quantity:
- Payment:
- Shipping:
Inventory:5,000
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Product details
Overview
HZS2C2TA-E from Renesas Electronics is a silicon planar Zener diode designed for precision voltage regulation in low-power stabilized power supplies. It delivers a nominal zener voltage of 2.4 V (min 2.3 V, max 2.5 V) at 5 mA test current, with dynamic resistance of 100 Ω max, 400 mW power dissipation, and operates across −55°C to +175°C storage temperature range - deployed in office equipment power rails and sensor bias networks.
For engineers reviewing the HZS2C2TA-E datasheet, HZS2C2TA-E pinout, HZS2C2TA-E application, or HZS2C2TA-E equivalent, key selection criteria include zener voltage tolerance (±0.1 V), low leakage current (<25 µA at 0.5 V), thermal stability (−50 to −30 mV/°C tempco), and MHD package compatibility with 5 mm-pitch automated insertion.
Technical Context
This Zener diode uses a silicon planar junction structure optimized for stable reverse-breakdown behavior under DC bias. Its low dynamic impedance (≤100 Ω at 5 mA) ensures minimal output voltage variation under load transients, while the −40 mV/°C typical temperature coefficient enables predictable drift compensation in ambient-varying environments.
The device is rated for 400 mW total power dissipation at 25°C ambient, derating linearly above 25°C per Fig.3 in the datasheet, and supports reliable operation up to 200°C junction temperature - making it suitable for non-safety-critical industrial and consumer applications within Renesas' "Standard" quality grade.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Zener Voltage (VZ) | 2.3 V min / 2.5 V max at IZ = 5 mA - defines tight 2.4 V nominal regulation point for reference or clamp circuits. |
| Dynamic Resistance (rd) | ≤100 Ω at IZ = 5 mA - ensures <100 mV output shift per 10 mA load change, critical for stable biasing. |
| Power Dissipation (Pd) | 400 mW at Ta = 25°C - supports continuous operation in compact PCB layouts without forced cooling. |
| Reverse Leakage (IR) | ≤25 µA at VR = 0.5 V - minimizes quiescent current loss in battery-backed or ultra-low-power circuits. |
| Junction Temperature (Tj) | 200°C maximum - allows operation in high-ambient environments such as enclosed industrial enclosures. |
| Storage Temperature | −55°C to +175°C - compatible with reflow soldering profiles and extended outdoor deployment ranges. |
| Temperature Coefficient | −40 mV/°C typical - enables predictable voltage drift modeling for temperature-compensated references. |
Pinout & Package
Package: MHD (JEITA code GRZZ0002ZC-A), molded plastic case with cathode band marking; dimensions: φD = 2.0 mm max, E = 2.4 mm max, L = 26.0 mm min; mass ≈ 0.084 g; designed for 5 mm-pitch automatic insertion.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | Cathode | Connected to higher potential node; reverse-biased terminal where regulated voltage appears referenced to anode. |
| 2 | Anode | Connected to lower potential (typically ground or common return); completes bias path for zener conduction. |
Key Features
| Feature | Design Value |
|---|---|
| Low zener impedance | ≤100 Ω enables <100 mV regulation error under ±10 mA load variation - critical for analog sensor excitation stability. |
| Wide zener voltage spectrum | 2.3–2.5 V range supports precise matching to IC reference thresholds (e.g., 2.5 V ADC references or comparator trip points). |
| High-temperature capability | 200°C max junction rating allows use in thermally constrained spaces like sealed power modules or motor drive PCBs. |
| Automated assembly compatibility | MHD package with 5 mm pitch conforms to JIS C 5022 and JEDEC standards - supports high-throughput SMT/reflow and wave soldering. |
| Low leakage performance | <25 µA at 0.5 V reverse bias reduces standby current in always-on monitoring circuits by >90% vs. generic diodes. |
Applications
| Industrial Sensor Biasing | Microcontroller Reset Clamping |
|---|---|
|
Use Scenario: Providing stable 2.4 V bias to bridge-type pressure sensors in factory automation transmitters. IC Role / Device Role / Timing Role: Zener voltage reference establishing fixed excitation potential for Wheatstone bridge output linearity. Use Value: Tight 2.3–2.5 V tolerance and ≤100 Ω dynamic resistance maintain bridge sensitivity within ±0.2% across −25°C to +70°C operating range. |
Use Scenario: Clamping reset pin voltage of 3.3 V microcontrollers during brown-out conditions in smart meter designs. IC Role / Device Role / Timing Role: Overvoltage protection element limiting reset pin to safe 2.5 V ceiling during supply transients. Use Value: 400 mW power rating absorbs 100 ms surge events without degradation; low leakage avoids false resets during deep sleep modes. |
| USB Peripheral Power Regulation | LED Current Reference |
|
Use Scenario: Regulating auxiliary 2.4 V rail for USB-C PD controller logic in portable docking stations. IC Role / Device Role / Timing Role: Shunt regulator maintaining clean logic supply independent of main 5 V bus ripple. Use Value: −40 mV/°C tempco aligns with PD controller's internal reference drift, reducing calibration burden across temperature. |
Use Scenario: Setting reference voltage for constant-current LED driver ICs in architectural lighting control panels. IC Role / Device Role / Timing Role: Precision voltage source defining current-sense threshold in linear LED drivers. Use Value: 2.4 V nominal matches common 2.5 V op-amp input ranges; 100 Ω rd ensures <1% current error over 20–100 mA LED loads. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar Zener diode applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| BZX55C2V4 (ON Semiconductor) | Same 2.4 V nominal, but ±5% tolerance (2.28–2.52 V); 500 mW Pd; TO-92 package (larger footprint, manual insertion). | Higher power margin but less precise voltage; unsuitable for automated 5 mm-pitch assembly lines. | Select when board space permits TO-92 and tighter VZ tolerance is not required. |
| MMSZ4676 (Diodes Inc.) | SOD-123 package; 2.4 V nominal, ±5%; 500 mW; rd = 120 Ω; −3.5 mV/°C tempco (less negative than HZS2C2TA-E). | Smaller footprint, but different thermal profile and weaker tempco match for analog references. | Choose for space-constrained designs where 120 Ω rd and reduced tempco drift are acceptable trade-offs. |
Compared with BZX55C2V4 and MMSZ4676, HZS2C2TA-E offers superior voltage precision (±0.1 V vs. ±5%), MHD package compatibility with high-speed insertion, and a temperature coefficient better matched to analog sensor biasing - making it optimal for industrial-grade reference stability where layout automation and thermal predictability are prioritized.
Availability
HZS2C2TA-E is available at Aetrix Electronics and suitable for industrial sensor biasing, microcontroller reset clamping, and USB peripheral power regulation requiring stable component supply, consistent parametric performance, and long-term manufacturing continuity.
Supply support for HZS2C2TA-E 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
Renesas Electronics Corporation is a global semiconductor leader delivering microcontrollers, analog, power, and connectivity solutions for automotive, industrial, and IoT applications.
HZS2C2TA-E belongs to the HZS Series silicon planar Zener diodes - engineered specifically for high-stability, low-drift voltage reference and shunt regulation in cost-sensitive, high-volume consumer and industrial power systems.
FAQ
What is the exact zener voltage range for HZS2C2TA-E at 5 mA test current?
The HZS2C2TA-E has a guaranteed zener voltage range of 2.3 V minimum to 2.5 V maximum when tested at IZ = 5 mA and Ta = 25°C. This ±0.1 V tolerance reflects its C2 grade within the HZS2 family and is tighter than standard ±5% Zeners - enabling direct replacement in circuits requiring precise 2.4 V references without recalibration.
Does HZS2C2TA-E support automated PCB assembly, and what is its package footprint?
Yes, HZS2C2TA-E uses the MHD package (JEITA code GRZZ0002ZC-A), explicitly designed for 5 mm-pitch high-speed automatic insertion. Its dimensions - φD ≤ 2.0 mm, E ≤ 2.4 mm, L ≥ 26.0 mm - comply with JIS C 5022 mechanical standards, ensuring compatibility with standard pick-and-place and wave soldering equipment used in volume manufacturing.
What is the maximum junction temperature and thermal derating behavior of HZS2C2TA-E?
HZS2C2TA-E is rated for a maximum junction temperature of 200°C and 400 mW power dissipation at 25°C ambient. Per Figure 3 in the datasheet, its power rating decreases linearly above 25°C at approximately 3.2 mW/°C - meaning at 75°C ambient, usable power drops to ~240 mW. This derating curve supports reliable operation in enclosed industrial enclosures without heatsinking.
How does the temperature coefficient of HZS2C2TA-E impact its use in precision references?
HZS2C2TA-E exhibits a typical zener voltage temperature coefficient of −40 mV/°C (−0.04 V/°C), which is well-documented in Figure 2 of the datasheet. This predictable negative drift allows system designers to compensate for thermal effects in analog front-ends - for example, pairing it with a positive-tempco resistor network to achieve near-zero net drift in sensor bias rails across −25°C to +70°C.
Is HZS2C2TA-E RoHS compliant and what quality grade does it carry?
Yes, HZS2C2TA-E complies with EU RoHS Directive requirements as confirmed by Renesas' environmental compliance documentation. It carries Renesas' "Standard" quality grade, meaning it is qualified for use in computers, office equipment, communications gear, audio/video devices, home appliances, and industrial robots - but not for automotive, medical life-support, or aerospace applications without explicit written consent.
HZS2C2TA-E Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Series:
- *
- Package/Case:
- -
- Packaging:
- Bulk
- Product Status:
- Active
- Voltage - Zener (Nom) (Vz):
- -
- Tolerance:
- -
- Power - Max:
- -
- Impedance (Max) (Zzt):
- -
- Current - Reverse Leakage @ Vr:
- -
- Voltage - Forward (Vf) (Max) @ If:
- -
- Operating Temperature:
- -
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- -
- Supplier Device Package:
- -
HZS2C2TA-E FAQ
1.How can I place an order for HZS2C2TA-E through Aetrix?
Please submit a Request for Quotation (RFQ) for HZS2C2TA-E on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for HZS2C2TA-E reliable?
The price and inventory of HZS2C2TA-E are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for HZS2C2TA-E is usually 5 days.
3.What payment methods are accepted for HZS2C2TA-E?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for HZS2C2TA-E transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for HZS2C2TA-E?
HZS2C2TA-E orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your HZS2C2TA-E order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for HZS2C2TA-E?
For technical support, including HZS2C2TA-E datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your HZS2C2TA-E requirements.
6.How does Aetrix verify that HZS2C2TA-E is sourced from the original manufacturer or authorized distributors?
All HZS2C2TA-E products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that HZS2C2TA-E meets industry standards.
7.What is the process for return or replacement of HZS2C2TA-E?
All HZS2C2TA-E units undergo pre-shipment inspection (PSI). If there is an issue with HZS2C2TA-E, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The HZS2C2TA-E part is unused and in its original packaging.
Return procedure for HZS2C2TA-E:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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