My Inquiry
My Account
Nexperia USA Inc. BZX84-C9V1,215
- Part No.:
- BZX84-C9V1,215
- Manufacturer:
- Nexperia USA Inc.
- Category:
- Single Zener Diodes
- Package:
- TO-236-3, SC-59, SOT-23-3
- Datasheet:
-
BZX84-C9V1,215.pdf
- Description:
- DIODE ZENER 9.1V 250MW TO236AB
- Quantity:
- Payment:
- Shipping:
Inventory:107,298
Please send an inquiry. Send us your inquiry, and we will respond immediately.
Product details
Overview
BZX84-C9V1,215 from Nexperia is a ±5 % tolerance Zener voltage regulator diode in SOT23 (TO-236AB) package, designed for precision low-power voltage reference and clamping in space-constrained PCBs. It delivers 9.1 V nominal breakdown at 5 mA, with 100 Ω max differential resistance, 0.5 μA max reverse current at 7.3 V, and operates across –55 °C to +150 °C ambient.
For engineers reviewing the BZX84-C9V1,215 datasheet, BZX84-C9V1,215 pinout, BZX84-C9V1,215 application, or BZX84-C9V1,215 equivalent, this device serves as a stable, low-cost voltage reference in power supply feedback loops, overvoltage protection circuits, and analog signal conditioning stages where ±5 % regulation accuracy and 250 mW dissipation are sufficient.
Technical Context
This Zener diode operates in reverse-biased breakdown mode, maintaining a stable 9.1 V reference across its cathode–anode terminals when reverse current exceeds the knee threshold (~1 mA). Its temperature coefficient of +3.8 mV/K at 5 mA enables predictable drift compensation in mid-voltage references.
The SOT23 package supports surface-mount reflow assembly, with thermal resistance from junction to ambient of 500 K/W on standard FR4 PCB - limiting continuous power handling to 250 mW at 25 °C ambient, and permitting non-repetitive 3.0 A surge current (40 W peak) for transient suppression.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Breakdown Voltage VZ | 8.5 V to 9.6 V at IZ = 5 mA - defines usable regulation window under standard test conditions |
| Differential Resistance rdif | ≤100 Ω - determines output impedance and load regulation sensitivity |
| Reverse Current IR | ≤0.5 μA at VR = 7.3 V - ensures minimal leakage in standby or high-impedance bias networks |
| Max Power Dissipation Ptot | 250 mW at Tamb ≤ 25 °C - sets maximum continuous DC power in standard PCB mounting |
| Non-repetitive Peak Current IZSM | 3.0 A for tp = 100 μs - supports short-duration surge clamping without damage |
| Forward Voltage VF | ≤0.9 V at IF = 10 mA - relevant for polarity-sensitive protection or dual-diode configurations |
| Junction Temperature Range | –55 °C to +150 °C - enables operation in industrial and extended-temperature environments |
Pinout & Package
Package: SOT23 (TO-236AB), 3-lead surface-mount plastic package with standard footprint per Figure 12 (reflow) and Figure 13 (wave soldering); dimensions per Figure 11.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | Anode (A) | Connected to lower-potential node in reverse-bias configuration; forward conduction path entry |
| 2 | Not Connected (n.c.) | Internal die pad with no electrical connection - must remain unconnected on PCB |
| 3 | Cathode (K) | Connected to higher-potential node in reverse-bias configuration; primary terminal for voltage reference output |
Key Features
| Feature | Design Value |
|---|---|
| ±5 % voltage tolerance | Enables cost-effective regulation where tight tolerance is not required, e.g., non-critical biasing or coarse clamping |
| 250 mW total power dissipation | Supports compact, low-heat designs on standard FR4 PCB without heatsinking |
| 3.0 A non-repetitive peak reverse current | Provides robust transient overvoltage suppression capability in ESD or inductive spike scenarios |
| 100 Ω max differential resistance | Ensures stable regulation under varying load currents up to ~10 mA |
| SOT23 package compatibility | Enables automated pick-and-place assembly and high-density routing in consumer and industrial PCBs |
Applications
| Power Supply Feedback Reference | Overvoltage Clamp Protection |
|---|---|
|
Use Scenario: Stabilizing output voltage in adjustable linear regulators (e.g., LM317) via resistor divider feedback network. IC Role / Device Role / Timing Role: Provides precise 9.1 V reference point that sets regulated output level; replaces bulkier TL431-based solutions where ±5 % is acceptable. Use Value: Reduces component count and board area while maintaining adequate regulation accuracy for non-critical 12 V rail applications. |
Use Scenario: Limiting voltage spikes on microcontroller I/O lines exposed to inductive loads or external connectors. IC Role / Device Role / Timing Role: Acts as shunt clamp - conducts excess energy above 9.6 V to ground, protecting downstream CMOS inputs rated for ≤10 V absolute maximum. Use Value: Delivers fast response (<100 ns) and 3.0 A surge capacity without requiring active circuitry or layout-intensive TVS devices. |
| Signal Level Shifting | Analog Sensor Biasing |
|
Use Scenario: Translating 0–5 V logic signals to 0–9.1 V range for legacy industrial analog input modules. IC Role / Device Role / Timing Role: Functions as passive level translator by clamping negative swing and defining upper rail via Zener breakdown. Use Value: Eliminates need for op-amp buffers or dedicated level shifters in low-speed, low-precision interface applications. |
Use Scenario: Providing stable excitation voltage to resistive temperature detectors (RTDs) or strain gauges in measurement front-ends. IC Role / Device Role / Timing Role: Supplies constant 9.1 V bias to sensor bridge, minimizing measurement error from supply variation. Use Value: Achieves <±0.1 % line regulation over 1–10 mA load range due to low rdif, improving sensor accuracy without trimming. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar Zener voltage reference applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MMBZ5240BS-7-F (Diodes Inc.) | Same 9.1 V nominal, ±5 % tolerance, SOT23 package; 100 Ω rdif, but lower IZSM (2.0 A vs. 3.0 A) | Less suitable for high-energy transient clamping; better for pure reference use with tighter thermal derating | Select when prioritizing long-term stability over surge robustness |
| BZX84-C9V1 (Nexperia, tape-and-reel variant) | Identical electrical specs and package; differs only in packaging format (215 = 3,000 pcs reel; base part lacks suffix) | No functional difference - same performance, reliability, and qualification | Select for volume production with automated placement; identical design-in qualification |
Compared with MMBZ5240BS-7-F, BZX84-C9V1,215 offers higher surge current capability for clamping, while the base BZX84-C9V1 provides identical performance in alternate packaging - making the ,215 variant optimal for high-volume SMT manufacturing without electrical trade-offs.
Availability
BZX84-C9V1,215 is available at Aetrix Electronics and suitable for power supply feedback, overvoltage protection, and analog sensor biasing requiring stable component supply, consistent parametric performance, and SOT23-compatible logistics.
Supply support for BZX84-C9V1,215 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 leading global semiconductor manufacturer headquartered in Nijmegen, Netherlands, specializing in high-volume, high-reliability discrete and logic devices for industrial, consumer, and communications markets.
The BZX84 series belongs to Nexperia's precision Zener diode product line, engineered for cost-sensitive, space-constrained voltage regulation and protection functions in mass-produced electronic systems.
FAQ
What is the maximum continuous reverse current for stable regulation?
The BZX84-C9V1,215 achieves stable regulation at 5 mA nominal test current, with recommended operating range of 1 mA to 20 mA. At 20 mA, power dissipation reaches 182 mW (9.1 V × 20 mA), staying within the 250 mW limit at 25 °C ambient. Derating is required above 25 °C per the 500 K/W thermal resistance.
Can pin 2 be used as a thermal pad or grounded for improved heat dissipation?
No - pin 2 is explicitly marked "n.c." (not connected) in the official pinning diagram and internal construction. It has no electrical or thermal connection to the die. Soldering or grounding pin 2 provides no thermal benefit and may compromise mechanical reliability or cause unintended shorts during assembly.
How does temperature affect the 9.1 V regulation voltage?
The BZX84-C9V1,215 exhibits a positive temperature coefficient of +3.8 mV/K at 5 mA, meaning its breakdown voltage increases by approximately 0.38 V over a 100 K rise (e.g., from 25 °C to 125 °C junction). This behavior is documented in Figure 7 and enables predictable drift compensation in reference designs.
Is this device qualified for automotive applications?
No - the BZX84-C9V1,215 is not automotive-qualified. Per Nexperia's revision history (Section 13), the BZX84_SER series was changed to non-automotive qualification in Rev. 7 (2023). Automotive alternatives (e.g., BZX84-Q series) are separately qualified and marked with "-Q" suffix.
BZX84-C9V1,215 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Nexperia USA Inc.
- Series:
- BZX84
- Package/Case:
- TO-236-3, SC-59, SOT-23-3
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Voltage - Zener (Nom) (Vz):
- 9.1 V
- Tolerance:
- ±5%
- Power - Max:
- 250 mW
- Impedance (Max) (Zzt):
- 15 Ohms
- Current - Reverse Leakage @ Vr:
- 500 nA @ 6 V
- Voltage - Forward (Vf) (Max) @ If:
- 900 mV @ 10 mA
- Operating Temperature:
- -65°C ~ 150°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- TO-236AB
BZX84-C9V1,215 FAQ
1.How can I place an order for BZX84-C9V1,215 through Aetrix?
Please submit a Request for Quotation (RFQ) for BZX84-C9V1,215 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 BZX84-C9V1,215 reliable?
The price and inventory of BZX84-C9V1,215 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for BZX84-C9V1,215 is usually 5 days.
3.What payment methods are accepted for BZX84-C9V1,215?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for BZX84-C9V1,215 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for BZX84-C9V1,215?
BZX84-C9V1,215 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your BZX84-C9V1,215 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 BZX84-C9V1,215?
For technical support, including BZX84-C9V1,215 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your BZX84-C9V1,215 requirements.
6.How does Aetrix verify that BZX84-C9V1,215 is sourced from the original manufacturer or authorized distributors?
All BZX84-C9V1,215 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 BZX84-C9V1,215 meets industry standards.
7.What is the process for return or replacement of BZX84-C9V1,215?
All BZX84-C9V1,215 units undergo pre-shipment inspection (PSI). If there is an issue with BZX84-C9V1,215, 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 BZX84-C9V1,215 part is unused and in its original packaging.
Return procedure for BZX84-C9V1,215:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
BZX84-C9V1,215 Tags
-
MMBZ5240B-7-F
Diodes Incorporated
-
BZT52C5V6T-7
Diodes Incorporated
-
MMSZ5231B-7-F
Diodes Incorporated
-
BZT52C15-7-F
Diodes Incorporated
-
BZX84C3V3LT1G
onsemi
-
MMSZ5245BS-7-F
Diodes Incorporated
-
MMSZ4682T1G
onsemi
-
BZT52C15S-7-F
Diodes Incorporated
-
MM5Z5V1ST1G
onsemi
-
SMAJ4744A-TP
Micro Commercial Co
-
BZT52C3V6LP-7
Diodes Incorporated
-
SMAZ12-13-F
Diodes Incorporated
Tech Hub
A practical engineering guide to 3.3V and 5V logic compatibility, input thresholds, resistor dividers, translator ICs, MOSFET level shifting, I2C pull-ups, timing limits and power-sequencing risks.
The 74HC595 uses push-pull logic outputs, while the TPIC6B595 uses 50 V open-drain DMOS sinks for higher-power loads. This guide compares timing, current limits, 3.3 V interfacing, load wiring, thermal…
The 74HC595 converts serial data into eight stable parallel outputs. This guide covers pin functions, shift and storage timing, OE and MR behavior, drive-current limits, cascading, voltage compatibilit…
A technical comparison of level-sensitive latches and edge-triggered flip-flops, covering timing windows, setup and hold limits, master–slave operation, time borrowing, race-through, HDL inference and…
A D latch stores one bit while Enable controls when data can pass. This reference covers gate-level operation, truth tables, transparency, setup and hold timing, LE versus OE, common ICs and practical …
An SR latch stores one bit through cross-coupled feedback. This engineering reference covers NOR and NAND implementations, truth tables, forbidden-state recovery, gated operation, switch debouncing, fa…
Latch circuits retain one bit through feedback. This technical reference covers SR and D latches, truth tables, transparency, timing limits, latch-versus-flip-flop behavior, applications and common log…
An engineering guide to LED driver operation, constant-current and constant-voltage outputs, linear and switching topologies, dimming, IC selection, calculations, replacement compatibility, and fault c…
Operational amplifier guide covering op amp basics, feedback, ideal vs real op amps, common configurations, buffer circuits, offset, bias current, gain-bandwidth, slew rate, rail-to-rail limits and sel…
Jumper cables guide covering safe connection order, red and black clamp placement, final ground connection, cable gauge, length, clamp quality, copper vs CCA cables, jump starter comparison and battery…
