Get a Sample
Request engineering samples to evaluate fit, validate alternatives, and keep design decisions moving before a larger order is placed.
Request evaluation samplesON SemiconductorDiscrete Semiconductor ProductsDiodes - Zener - SingleON Semiconductor Diodes - Zener - Single
1SMB5919BT3 Diodes - Zener - Single by ON Semiconductor
1SMB5919BT3 is a Diodes - Zener - Single model from ON Semiconductor, presented on TrustCompo for buyers who need clear sourcing and review context before RFQ. This listing sits in the Discrete Semiconductor Products / Diodes - Zener - Single product path. Known package information currently points to SMB under the ON Semiconductor brand listing. DIODE ZENER 5.6V 3W SMB. TrustCompo combines the available model, brand, hierarchy, and specification details around 1SMB5919BT3 so buyers can move faster from review to quotation.
RoHS
Datasheet
Pictures are for reference only. Please contact us for the latest pictures.
Traceability and authenticity checks
Fast RFQ turnaround
Documentation support
Pre-shipment inspection review
Key specifications
Series
-
Min Quantity
1
Category
Discrete Semiconductor ProductsSub Category
Diodes - Zener - SingleDescription
DIODE ZENER 5.6V 3W SMB
key Attributes
-
Datasheet
View 1SMB5919BT3 DatasheetTechnical document
Open The Official Datasheet
Review the latest datasheet for 1SMB5919BT3 from ON Semiconductor in a separate tab so engineers and buyers can check package, electrical characteristics, and application details without leaving this product page.
Why request a quote
Use the RFQ step to confirm the commercial and documentation details buyers usually need before placing an order.
RoHS, REACH, and lead-free documentation can be confirmed during RFQ
Traceability and Certificate of Conformance support available on request
Pre-shipment inspection report support for quality review
Trust signals
Globally recognized certifications
Visible certifications work best when they are paired with clear operational promises around traceability, handling, and inspection.
ISO 9001
Quality management processes for more consistent sourcing and handling.
AS9120B
Aerospace-focused distribution controls for traceability and reliability.
ISO 14001
Environmental management discipline across warehouse and operating workflows.
ESD Control
Electrostatic handling standards to help protect sensitive components.
Ordering workflow
Understand how to order and what policies support the purchase
Use this section to see the fastest ordering path and the policy pages buyers usually review before confirming a component order.
How to order this product
A simple B2B flow helps engineering and procurement teams move from part review to commercial confirmation.
1
Confirm part and quantity
Review the part number, package, key specs, and target quantity so the quote request reflects the exact sourcing scope your team needs.
2
Send RFQ or sample request
Use Quick Quote for commercial pricing or Request Sample when engineering validation is still in progress and a smaller evaluation quantity is needed.
3
Align delivery, payment, and documentation
Before final release, confirm stock timing, shipment method, payment arrangement, and any traceability or inspection documents required by your process.
Policies buyers usually check
These pages explain the operating rules around samples, shipping, payment, and quality support before you place the order.
Shipping & Delivery
Review shipping origin, carrier options, delivery methods, and the practical factors that affect transit timing for global component orders.
Review shipping detailsPayment Terms
Understand supported payment methods, invoice handling, quote currency, and the commercial boundaries used for international B2B orders.
Review payment termsQuality & Traceability Center
See how incoming inspection, outgoing verification, traceability support, certifications, and additional testing fit into our quality workflow.
Review quality controlsStructured product content
Review The Product The Way Buyers Actually Evaluate It
Review overview, detailed specifications, and related sourcing content in one structured flow without scanning separate oversized sections.
Product overview
Overview
DIODE ZENER 5.6V 3W SMB
Fast scan
Popular Specs Surfaced First
Product Attribute
REACH Status
REACH Unaffected
Product Attribute
ECCN
EAR99
Product Attribute
Lead Free
Contains Lead
Product Attribute
Mounting Type
Surface Mount
Product Attribute
Part Status
Obsolete
Product Attribute
Published
2010
REACH Status
REACH Unaffected
ECCN
EAR99
Lead Free
Contains Lead
Mounting Type
Surface Mount
Part Status
Obsolete
Published
2010
Packaging
Cut Tape (CT)
Terminal Position
DUAL
Reach Compliance Code
not_compliant
Qualification Status
Not Qualified
Element Configuration
Single
Manufacturer
ON Semiconductor
Max Power Dissipation
550mW
Lifecycle Status
OBSOLETE (Last Updated: 1 week ago)
Categories
Discrete Semiconductor Products
Tolerance
±5%
Subcategory
Voltage Reference Diodes
Sub-Categories
Diodes - Zener - Single
HTS Code
8541.10.00.50
Operating Temperature
-65°C~150°C
Package / Case
DO-214AA, SMB
Terminal Form
C BEND
Surface Mount
YES
Pbfree Code
no
Number Of Terminations
2
Peak Reflow Temperature (Cel)
NOT SPECIFIED
Reflow Temperature-Max (S)
NOT SPECIFIED
Number Of Pins
2
Voltage Tolerance
5%
Pin Count
2
Voltage Tol-Max
5%
Polarity
UNIDIRECTIONAL
Technology
ZENER
Material
Plastic
Voltage - Rated DC
5.6V
Zener Voltage
5.6V
Power Dissipation
550mW
Reference Voltage
5.6V
Impedance-Max
2Ohm
Impedance
2Ohm
Power Rating
3W
Zener Current
267mA
Base Part Number
SMB5919
Manufacturer'S Part No.
1SMB5919BT3
Moisture Sensitivity Level (MSL)
1 (Unlimited)
RoHS Status
RoHS non-compliant
JESD-609 Code
e0
HTSUS
8541.10.0050
ECCN Code
EAR99
Terminal Finish
Tin/Lead (Sn/Pb)
Diode Type
ZENER DIODE
Number Of Elements
1
Voltage - Forward (Vf) (Max) @ If
1.5V @ 200mA
Max Reverse Leakage Current
5μA
Breakdown Voltage
5.6V
Current - Reverse Leakage @ Vr
5μA @ 3V
Test Current
66.9mA
Common questions
Product FAQ
Quick answers for buyers reviewing 1SMB5919BT3, stock, documentation, and sourcing steps.
What is 1SMB5919BT3?
1SMB5919BT3 is a Diodes - Zener - Single component from ON Semiconductor. This product page summarizes the core sourcing details buyers need before checking price, availability, documentation, or samples.
What package and description are listed for 1SMB5919BT3?
1SMB5919BT3 is listed with package reference SMB. The current product description is DIODE ZENER 5.6V 3W SMB, and buyers should confirm package, footprint, and electrical details against the datasheet or quotation notes before approval.
Is 1SMB5919BT3 available in stock?
This page currently shows 13470 units in stock and 13470 units available for 1SMB5919BT3. Because electronic component availability can change quickly, submit an RFQ to confirm live stock, lead time, and final pricing.
Can I request a quote or sample for 1SMB5919BT3?
Yes. Use the Quick Quote or Request Sample action on this page to send the quantity and sourcing requirements for 1SMB5919BT3 by ON Semiconductor. The TrustCompo team can review price, availability, and documentation support.
Is a datasheet available for 1SMB5919BT3?
Yes. This page links to the datasheet for 1SMB5919BT3 by ON Semiconductor, so engineers and buyers can review package, ratings, and application details before purchase.
How should buyers verify 1SMB5919BT3 before ordering?
Buyers should confirm the manufacturer, package, quantity, target price, RoHS or compliance needs, and any Certificate of Conformance or traceability requirements for 1SMB5919BT3 before approving the order.
Diodes - Zener - Single
Recommended Products
Explore more parts from the same subcategory to compare fit, stock, and sourcing options.
More sourcing insights
Articles
Explore related articles around 1SMB5919BT3, Diodes - Zener - Single, and adjacent sourcing decisions so buyers can compare context before moving from evaluation to RFQ.
Jul 17, 2026
FPGA Supply 2026: A Buyer's Framework for AMD Xilinx, Intel Altera, Microchip, and Lattice SourcingA production-BOM FPGA sourcing guide for 2026 covering lifecycle commitment, redesign cost, and qualification boundaries across AMD Xilinx, Intel Altera, Microchip PolarFire, and Lattice families.
FPGAAMD XilinxIntel Altera
Jul 11, 2026
2026 Q3 Wide-Bandgap Power Read: Where SiC Is Scaling, Where GaN Is Winning, and Why Silicon Still MattersA Q3 2026 read on SiC, GaN, and silicon power semiconductors: where wide-bandgap devices are winning now, where silicon still holds, and what engineers and sourcing teams should watch.
wide-bandgap semiconductorsSiCGaN
Jul 8, 2026
Texas Instruments Lead Time and Price Pressure in 2026: What Analog and Power Buyers Should Do NowA buyer-facing framework for Texas Instruments analog and power IC exposure in 2026, covering what is confirmed, where price and lead-time pressure is most likely to show up, and which actions sourcing teams should take first.
Texas Instrumentsanalog ICpower management IC