My Inquiry
My Account
Diodes Incorporated MMBZ5250BTS-7-F
- Part No.:
- MMBZ5250BTS-7-F
- Manufacturer:
- Diodes Incorporated
- Category:
- Zener Diode Arrays
- Package:
- 6-TSSOP, SC-88, SOT-363
- Datasheet:
-
MMBZ5250BTS-7-F.pdf
- Description:
- DIODE ZENER ARRAY 20V SOT363
- Quantity:
- Payment:
- Shipping:
Inventory:8,095
Please send an inquiry. Send us your inquiry, and we will respond immediately.
Product details
Overview
MMBZ5250BTS-7-F from Diodes Incorporated is a triple-surface-mount Zener diode array in SOT363 package, providing three isolated 20V ±5% Zener elements with 6.2mA test current, 25Ω maximum Zener impedance at 1kHz, and 0.1μA reverse leakage at 15V. It delivers precision voltage regulation for compact power rail clamping and reference applications in automotive control modules.
For engineers reviewing the MMBZ5250BTS-7-F datasheet, MMBZ5250BTS-7-F pinout, MMBZ5250BTS-7-F application, or MMBZ5250BTS-7-F equivalent, key selection criteria include nominal Zener voltage (20V), Zener impedance (25Ω), power dissipation (200mW), thermal resistance (625°C/W), and AEC-Q101 qualification for automotive-grade reliability.
Technical Context
This device integrates three electrically isolated Zener diodes in a single ultra-small SOT363 package, enabling space-constrained multi-rail voltage stabilization without cross-coupling. Each diode operates independently with identical 20V nominal Zener voltage and shares common thermal characteristics due to monolithic construction.
Designed for high-reliability automotive environments, it meets AEC-Q101 stress testing requirements and supports operation from –65°C to +150°C. Its 200mW power rating and 625°C/W junction-to-ambient thermal resistance define safe continuous operation under standard FR4 PCB mounting per AP02001 layout guidelines.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Zener Voltage | 20V nominal (19.0–21.0V range at 6.2mA), enabling stable 20V reference or clamp in low-power analog circuits |
| Power Dissipation | 200mW maximum, limiting continuous current to ~10mA at 20V without forced cooling |
| Zener Impedance | 25Ω max at 1kHz and 6.2mA, ensuring minimal voltage deviation under dynamic load changes |
| Reverse Leakage | 0.1μA max at 15V, supporting low-quiescent-current bias networks and precision sensing paths |
| Thermal Resistance | 625°C/W junction-to-ambient, requiring careful PCB copper area allocation for thermal management |
| Operating Temperature | –65°C to +150°C, validated for under-hood automotive electronics and industrial control enclosures |
Pinout & Package
Package: SOT363 - ultra-small surface-mount plastic case (2.10 × 1.30 × 0.95 mm), UL 94V-0 rated, lead-free matte tin plating over Alloy 42 leadframe, moisture sensitivity level 1.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| A1 | Anode 1 | First independent Zener anode; connects to cathode of external series resistor for 20V regulation |
| A2 | Anode 2 | Second independent Zener anode; enables dual-rail clamping without shared node interference |
| A3 | Anode 3 | Third independent Zener anode; supports triple-voltage reference generation on single footprint |
| C1 | Cathode 1 | First Zener cathode; tied to regulated output node or feedback path in shunt regulator topology |
| C2 | Cathode 2 | Second Zener cathode; isolated from C1/C3 to prevent interaction between regulated rails |
| C3 | Cathode 3 | Third Zener cathode; allows simultaneous stabilization of three distinct voltage domains |
Key Features
| Feature | Design Value |
|---|---|
| Triple isolated Zeners | Three independent 20V Zener elements in one SOT363 footprint, reducing board area by >60% vs. discrete solutions |
| AEC-Q101 qualification | Validated for automotive applications including engine control units and body electronics with extended temperature cycling |
| Lead-free & green construction | Halogen- and antimony-free (<900ppm Br/Cl, <1000ppm Sb), compliant with RoHS 2 and ELV directives |
| Low capacitance | Typical total capacitance <2pF at 0V bias (per diode), preserving signal integrity in high-frequency feedback loops |
Applications
| Automotive Engine Control Unit (ECU) | Industrial PLC Analog Input Module |
|---|---|
Use Scenario: Stabilizing 20V reference for microcontroller ADC reference and sensor excitation supply in harsh under-hood environment. IC Role / Device Role / Timing Role: Shunt voltage reference and overvoltage clamp protecting downstream analog circuitry. Use Value: Maintains ±1% reference accuracy across –40°C to +125°C while surviving ISO 7637-2 pulse transients via inherent Zener clamping action. |
Use Scenario: Providing isolated 20V bias for multiple 4–20mA current loop receivers within a single DIN-rail mounted module. IC Role / Device Role / Timing Role: Independent voltage reference generator for each channel's op-amp bias network. Use Value: Eliminates need for three separate TO-92 Zeners, reducing assembly cost and improving thermal tracking between channels. |
| Medical Infusion Pump Power Management | Telecom Remote Radio Unit (RRU) Bias Supply |
Use Scenario: Regulating auxiliary 20V rail for motor driver logic and isolation barrier power in battery-backed infusion systems. IC Role / Device Role / Timing Role: Precision shunt regulator maintaining stable VREF during battery voltage sag and EMI events. Use Value: 0.1μA leakage ensures >10-year shelf life in standby mode; AEC-Q101 grade confirms long-term parametric stability. |
Use Scenario: Clamping transient spikes on 20V bias lines feeding GaN amplifier gate drivers in outdoor RRU enclosures. IC Role / Device Role / Timing Role: Fast-response overvoltage protector absorbing repetitive 100ns pulses up to 10W peak (per diode). Use Value: 25Ω Zener impedance limits clamping voltage overshoot to <22V during 1A surge events, preventing gate oxide damage. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar Zener diode array applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMF5.0AT1G | Single 5.0V Zener in SOD-123, 200mW, 50Ω Zz, no AEC-Q101 rating | Not suitable for triple-rail or automotive use; limited to single-rail consumer-grade clamping | Select only for non-automotive, single-Zener, cost-sensitive designs where 5V regulation suffices |
| BZX84-C20LT1G | Single 20V Zener in SOT-23, 350mW, 50Ω Zz, AEC-Q101 qualified | Provides higher power but requires three devices and more PCB area; no inter-diode isolation guarantee | Choose when >200mW per diode is required or when existing SOT-23 layout prohibits SOT363 adoption |
Compared with SMF5.0AT1G and BZX84-C20LT1G, MMBZ5250BTS-7-F uniquely delivers triple 20V Zener functionality with guaranteed isolation, AEC-Q101 compliance, and minimal footprint-making it irreplaceable for space-constrained, multi-rail automotive and industrial systems requiring coordinated voltage references.
Availability
MMBZ5250BTS-7-F is available at Aetrix Electronics and suitable for automotive engine control units, industrial PLC analog input modules, medical infusion pump power management, and telecom remote radio unit bias supplies requiring stable component supply with full traceability and long-lifecycle support.
Supply support for MMBZ5250BTS-7-F 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
Diodes Incorporated is a global manufacturer of discrete semiconductors and analog ICs, headquartered in Plano, Texas, with design centers across Asia and manufacturing in China, Taiwan, and the U.S.
This device belongs to Diodes' MMBZ52xxBTS series of triple Zener arrays, engineered specifically for high-density, high-reliability voltage reference and clamping in automotive and industrial control systems where board space and qualification rigor are critical.
FAQ
What is the maximum continuous Zener current for MMBZ5250BTS-7-F at 25°C ambient?
At 25°C ambient and with recommended FR4 pad layout (AP02001), the maximum continuous Zener current is 10mA, derived from its 200mW power rating divided by nominal 20V Zener voltage. Exceeding this current risks thermal runaway unless board-level heatsinking is implemented.
Does MMBZ5250BTS-7-F support bidirectional transient suppression?
No - it is a unidirectional Zener diode array optimized for forward-biased conduction and reverse-biased Zener breakdown. For bidirectional ESD protection, Diodes Incorporated recommends dedicated TVS arrays like D3V3M1U2UP-7, which feature symmetrical clamping in both polarities.
How is the marking code KR7 decoded on the device body?
KR7 is the Diodes Incorporated product type marking for MMBZ5250BTS. "KR" identifies the 20V Zener family within the MMBZ52xxBTS series, and "7" distinguishes it from adjacent voltages (e.g., KR6 = 18V, KR8 = 22V). Full decoding is documented in DS30184 Rev. 13–2, page 2.
Can MMBZ5250BTS-7-F be used in place of a single 20V Zener diode?
Yes - any one anode-cathode pair (e.g., A1–C1) functions as a standalone 20V Zener diode with identical electrical specs. However, using only one section wastes two unused diodes; optimal use leverages all three for multi-rail designs or redundancy-critical applications.
MMBZ5250BTS-7-F Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Diodes Incorporated
- Series:
- -
- Package/Case:
- 6-TSSOP, SC-88, SOT-363
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Configuration:
- 3 Independent
- Voltage - Zener (Nom) (Vz):
- 20 V
- Tolerance:
- ±5%
- Power - Max:
- 200 mW
- Impedance (Max) (Zzt):
- 25 Ohms
- Current - Reverse Leakage @ Vr:
- 100 nA @ 15 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:
- SOT-363
MMBZ5250BTS-7-F FAQ
1.How can I place an order for MMBZ5250BTS-7-F through Aetrix?
Please submit a Request for Quotation (RFQ) for MMBZ5250BTS-7-F 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 MMBZ5250BTS-7-F reliable?
The price and inventory of MMBZ5250BTS-7-F are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MMBZ5250BTS-7-F is usually 5 days.
3.What payment methods are accepted for MMBZ5250BTS-7-F?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MMBZ5250BTS-7-F transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MMBZ5250BTS-7-F?
MMBZ5250BTS-7-F orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MMBZ5250BTS-7-F 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 MMBZ5250BTS-7-F?
For technical support, including MMBZ5250BTS-7-F datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MMBZ5250BTS-7-F requirements.
6.How does Aetrix verify that MMBZ5250BTS-7-F is sourced from the original manufacturer or authorized distributors?
All MMBZ5250BTS-7-F 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 MMBZ5250BTS-7-F meets industry standards.
7.What is the process for return or replacement of MMBZ5250BTS-7-F?
All MMBZ5250BTS-7-F units undergo pre-shipment inspection (PSI). If there is an issue with MMBZ5250BTS-7-F, 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 MMBZ5250BTS-7-F part is unused and in its original packaging.
Return procedure for MMBZ5250BTS-7-F:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
MMBZ5250BTS-7-F Tags
-
MMBZ18VALT1G
onsemi
-
AZ23C18-7-F
Diodes Incorporated
-
MMBZ6V2ALT1G
onsemi
-
MMBZ5V6ALT1G
onsemi
-
MMBZ6V8ALT1G
onsemi
-
MMBZ5V6ALT3G
onsemi
-
MMBZ33VALT1G
onsemi
-
MMBZ9V1ALT1G
onsemi
-
MMBZ20VALT1G
onsemi
-
SZMMBZ27VALT1G
onsemi
-
MMBZ15VALT1G
onsemi
-
MMBZ12VALT1G
onsemi
Tech Hub
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…
LDO regulator guide covering low dropout voltage, power dissipation, thermal design, PSRR, output noise, capacitor stability, adjustable LDO circuits, LDO vs buck converter and datasheet selection chec…
Conditional Access Module guide covering CAM meaning, CI/CI+ interface, smart card authorization, DVB security workflow, TV and set-top box compatibility, internal electronics, ESD protection, connecto…
Guide to electronic component obsolescence covering EOL risk, PCN/PDN notices, last-time buy planning, replacement options, form-fit-function validation, counterfeit risk and BOM lifecycle management.
18650 battery guide covering lithium-ion cell basics, 3.6V/3.7V voltage, 4.2V charging, mAh and Wh capacity, protected cells, chargers, BMS, series-parallel packs, holders, welding and sourcing checks.…
Hall effect sensor guide covering working principle, linear and digital sensors, Arduino circuits, current sensing, speed detection, automotive applications, A3144 examples, signal filtering and datash…
Product Change Notification guide for electronic components, covering PCN meaning, PCN vs PDN/EOL, common change types, risk levels, form-fit-function review, engineering validation, BOM control, LTB/L…
A practical guide to blend door actuators, covering HVAC function, symptoms, location, AC and heater issues, reset and calibration, replacement cost, electrical diagnosis, compatibility checks, and rep…
Engineering guide to Raspberry Pi alternatives, covering chip-level differences, Orange Pi, ROCK, Jetson, Banana Pi, NanoPi, Compute Module, Pico, GPIO, camera, HAT compatibility, and replacement risks…
