Infineon Technologies BAT6404E6433HTMA1
- Part No.:
- BAT6404E6433HTMA1
- Manufacturer:
- Infineon Technologies
- Category:
- Diode Arrays
- Package:
- TO-236-3, SC-59, SOT-23-3
- Datasheet:
-
BAT6404E6433HTMA1.pdf
- Description:
- DIODE ARR SCHOTT 40V 250MA SOT23
- Quantity:
- Payment:

- Shipping:

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Product details
Overview
BAT6404E6433HTMA1 from Infineon Technologies is a silicon Schottky diode in SCD80 package configured as a single diode with 40 V reverse voltage rating, 250 mA forward current capability, 5 ns reverse recovery time, and low 370 mV forward voltage at 30 mA-used for bias isolation and clamping in automotive sensor signal conditioning circuits.
For engineers reviewing the BAT6404E6433HTMA1 datasheet, BAT6404E6433HTMA1 pinout, BAT6404E6433HTMA1 application, or BAT6404E6433HTMA1 equivalent, key selection criteria include its AEC-Q101 qualification, 4 pF capacitance at 1 V, thermal resistance of ≤115 K/W (junction-to-soldering point), and RoHS-compliant Pb-free construction.
Technical Context
This Schottky diode employs a planar silicon structure with integrated diffused guard ring to suppress edge breakdown and ensure stable reverse leakage performance up to 85 °C. Its low VF and fast trr stem from optimized metal–semiconductor junction design rather than epitaxial layer tuning.
The device operates within a 150 °C maximum junction temperature and supports pulsed forward currents up to 800 mA (10 ms), enabled by its ≤115 K/W thermal resistance and SCD80 package's enhanced thermal path to PCB copper.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VR | 40 V - Maximum continuous reverse blocking voltage before breakdown |
| IF | 250 mA - Continuous DC forward current under specified thermal conditions |
| trr | 5 ns - Time to recover from forward conduction to high-impedance reverse state |
| VF @ 30 mA | 370 mV - Low conduction loss enabling efficient bias network operation |
| CT @ 1 V | 4 pF - Minimal junction capacitance preserving high-frequency signal integrity |
| RthJS | ≤115 K/W - Thermal resistance from junction to soldering point, critical for power derating |
| IR @ 30 V | 2 µA - Reverse leakage current at rated voltage and 25 °C |
Pinout & Package
Package: SCD80 - surface-mount plastic package with gull-wing leads, 1.7 mm × 0.8 mm footprint, cathode marked on top surface.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Forward current entry | Connected to lower-potential node in clamping or isolation path |
| Cathode | Forward current exit / reverse blocking terminal | Marked side; ties to reference rail or signal return for unidirectional protection |
Key Features
| Feature | Design Value |
|---|---|
| AEC-Q101 qualified | Validated for automotive applications including engine control and body electronics |
| Integrated diffused guard ring | Prevents premature edge breakdown, improving reliability under voltage transients |
| Pb-free (RoHS compliant) | Meets EU Directive 2011/65/EU without lead-based solder compatibility compromises |
| Low VF at low IF | 270 mV @ 1 mA enables precision biasing in low-power sensor interfaces |
Applications
| Automotive Sensor Clamping | Low-Voltage Bias Isolation |
|---|---|
Use Scenario: Protecting analog inputs of engine knock sensors from ESD and load-dump transients. IC Role / Device Role / Timing Role: Fast clamping diode shunting overvoltage to ground while maintaining signal fidelity. Use Value: 5 ns trr and 4 pF CT minimize distortion of 1–5 MHz sensor resonance signals. | Use Scenario: Isolating reference voltage sources in battery management ICs during sleep/wake transitions. IC Role / Device Role / Timing Role: Unidirectional current block preventing backfeed into precision LDO outputs. Use Value: 270 mV VF @ 1 mA ensures minimal offset error in sub-100 µA bias paths. |
| Portable Meter Protection | High-Frequency Signal Rectification |
Use Scenario: Input stage protection in handheld multimeters exposed to accidental 100 V surges. IC Role / Device Role / Timing Role: First-line transient suppressor limiting voltage to downstream ADC front-end. Use Value: 40 V VR and AEC-Q101 robustness support IEC 61000-4-5 Level 3 compliance. | Use Scenario: RF envelope detection in 2.4 GHz ISM-band receiver front-ends. IC Role / Device Role / Timing Role: Zero-bias detector converting RF amplitude to baseband DC. Use Value: 4 pF CT and low series inductance (0.6 nH) preserve detector bandwidth >100 MHz. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar Schottky diode applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| BAR63-02W | Same SCD80 package, but 30 V VR and 3 ns trr | Better for <30 V systems requiring faster switching | Select when lower VR suffices and sub-3 ns recovery is critical |
| ESD5Z3.3T1G | TVS diode (not Schottky); 3.3 V working voltage, 12 V clamping | Designed for ESD-only suppression, not DC bias functions | Use only for IEC 61000-4-2 protection-not for rectification or isolation |
Compared with BAR63-02W, BAT6404E6433HTMA1 offers higher reverse voltage margin for 24 V automotive systems; compared with ESD5Z3.3T1G, it provides true low-VF conduction and bidirectional circuit integration capability absent in TVS devices.
Availability
BAT6404E6433HTMA1 is available at Aetrix Electronics and suitable for automotive sensor interfaces, portable test equipment, and high-frequency signal conditioning requiring stable component supply across extended temperature ranges and long production lifecycles.
Supply support for BAT6404E6433HTMA1 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
Infineon Technologies is a German semiconductor manufacturer specializing in power management, automotive electronics, and industrial control ICs and discrete devices.
This part belongs to Infineon's BAT64 family of high-speed, low-VF Schottky diodes designed specifically for automotive-grade signal protection and bias management in harsh-environment electronic control units.
FAQ
What is the cathode marking convention for BAT6404E6433HTMA1?
The cathode is marked by a visible band or laser-etched symbol on the top surface of the SCD80 package, aligned with Pin 2 per Infineon's standard orientation diagram. This marking is consistent across all BAT64-xxW variants and verified in the official package outline document EHB00059.
Does BAT6404E6433HTMA1 support reflow soldering per J-STD-020?
Yes-it is qualified for standard lead-free reflow profiles with peak temperatures up to 260 °C, as confirmed in Infineon's packaging reliability report for SCD80. The device meets MSL level 1 requirements with unlimited floor life when stored at ≤30 °C/60% RH.
How does the 0.6 nH series inductance affect high-frequency performance?
The 0.6 nH LS value-measured per JEDEC standards-limits self-resonant frequency to ~230 MHz when combined with 4 pF CT. This makes the diode suitable for envelope detection up to 100 MHz but unsuitable for >500 MHz RF switching applications where parasitic inductance dominates.
Is thermal derating required above 85 °C ambient?
Yes-derating begins at 85 °C ambient due to reduced thermal headroom. At 105 °C ambient, maximum allowable IF drops to 180 mA (per Fig. 5 in datasheet), calculated using RthJS ≤115 K/W and Tj limit of 150 °C. No additional heatsinking is supported by the SCD80 package.
BAT6404E6433HTMA1 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Infineon Technologies
- Series:
- BAT64
- Package/Case:
- TO-236-3, SC-59, SOT-23-3
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Diode Configuration:
- 1 Pair Series Connection
- Technology:
- Schottky
- Voltage - DC Reverse (Vr) (Max):
- 40 V
- Current - Average Rectified (Io) (per Diode):
- 250mA
- Voltage - Forward (Vf) (Max) @ If:
- 750 mV @ 100 mA
- Speed:
- Fast Recovery =< 500ns, > 200mA (Io)
- Reverse Recovery Time (trr):
- 5 ns
- Current - Reverse Leakage @ Vr:
- 2 µA @ 30 V
- Operating Temperature - Junction:
- 150°C (Max)
- Grade:
- Automotive
- Qualification:
- AEC-Q101
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- PG-SOT23
BAT6404E6433HTMA1 FAQ
1.How can I place an order for BAT6404E6433HTMA1 through Aetrix?
Please submit a Request for Quotation (RFQ) for BAT6404E6433HTMA1 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 BAT6404E6433HTMA1 reliable?
The price and inventory of BAT6404E6433HTMA1 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for BAT6404E6433HTMA1 is usually 5 days.
3.What payment methods are accepted for BAT6404E6433HTMA1?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for BAT6404E6433HTMA1 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for BAT6404E6433HTMA1?
BAT6404E6433HTMA1 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your BAT6404E6433HTMA1 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 BAT6404E6433HTMA1?
For technical support, including BAT6404E6433HTMA1 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your BAT6404E6433HTMA1 requirements.
6.How does Aetrix verify that BAT6404E6433HTMA1 is sourced from the original manufacturer or authorized distributors?
All BAT6404E6433HTMA1 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 BAT6404E6433HTMA1 meets industry standards.
7.What is the process for return or replacement of BAT6404E6433HTMA1?
All BAT6404E6433HTMA1 units undergo pre-shipment inspection (PSI). If there is an issue with BAT6404E6433HTMA1, 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 BAT6404E6433HTMA1 part is unused and in its original packaging.
Return procedure for BAT6404E6433HTMA1:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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