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Microchip Technology 1N4148UBCCC/TR
- Part No.:
- 1N4148UBCCC/TR
- Manufacturer:
- Microchip Technology
- Category:
- Diode Arrays
- Package:
- 3-SMD, No Lead
- Datasheet:
-
1N4148UBCCC/TR.pdf
- Description:
- DIODE ARRAY GEN PURP 75V 1A UBC
- Quantity:
- Payment:
- Shipping:
Inventory:6,169
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Product details
Overview
1N4148UBCCC/TR from Microsemi is a military-qualified surface-mount silicon switching diode in the UB ceramic package with common cathode polarity, 75 V working peak reverse voltage, 200 mA average rectified current at 75 °C, and 5 ns reverse recovery time - used in high-frequency RS-232/RS-422 interface networks and Ethernet 10 Base-T signal routing.
For engineers reviewing the 1N4148UBCCC/TR datasheet, 1N4148UBCCC/TR pinout, 1N4148UBCCC/TR application, or 1N4148UBCCC/TR equivalent, key selection criteria include MIL-PRF-19500/116 JANTXV qualification, low 4.0 pF capacitance at 0 V, gold-plated terminals, thermal resistance of 120 °C/W junction-to-solder pad, and compatibility with EIA-418D tape-and-reel packaging.
Technical Context
This diode operates as a unidirectional signal-level switch in high-speed digital and communication circuits. Its ceramic UB package enables stable operation from –65 °C to +200 °C, while the common cathode (CC) configuration supports dual-diode parallel or clamping topologies without shared anodes.
The device delivers 0.8 V forward voltage at 10 mA and 1.2 V at 100 mA, with reverse leakage limited to 25 nA at 20 V and 0.5 µA at 75 V (25 °C). Reverse recovery time is measured under standardized 10 mA IF/IR, 100 Ω load conditions per JEDEC JESD282-B.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Package | UB ceramic surface-mount, 2-pin, common cathode (CC), gold-plated Ni underplate terminals |
| VRWM | 75 V - maximum continuous reverse voltage for reliable clamping in RS-232 line protection |
| trr | 5 ns - enables clean edge transitions in >10 MHz digital signal paths without tailing |
| C (VR = 0 V) | 4.0 pF - minimizes capacitive loading on high-speed data lines like Ethernet 10 Base-T |
| IO @ TA = 75 °C | 200 mA - supports sustained current in compact PCB layouts with natural convection cooling |
| RθJSP | 120 °C/W - defines thermal path efficiency from junction to solder pad for thermal relief design |
| TJ/TSTG Range | –65 °C to +200 °C - meets extended environmental requirements for aerospace and defense systems |
Pinout & Package
UB package: hermetically sealed ceramic body, 2-terminal surface-mount, dimensions per Microsemi T4-LDS-0281-2 (BL: 2.92–3.25 mm, BW: 2.16–2.74 mm, BH: 1.17–1.42 mm), tape-and-reel compliant with EIA-418D.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Pad 1 | Anode | Forward current entry point; connects to signal source in clamp or steering configurations |
| Pad 2 | Cathode | Common return node for dual-diode CC topology; ties to reference or ground plane |
Key Features
| Feature | Design Value |
|---|---|
| MIL-PRF-19500/116 JANTXV qualification | Validated reliability for mission-critical defense electronics with full lot traceability and screening |
| Common cathode (CC) polarity | Enables dual-diode integration in single footprint for bidirectional ESD protection or level-shifting pairs |
| 4.0 pF capacitance at 0 V | Preserves signal integrity on 10 Mbps+ serial links without added termination complexity |
| Gold-plated terminals | Ensures solderability and intermetallic stability across multiple reflow cycles and humid environments |
| –65 °C to +200 °C operating range | Supports deployment in engine control units, downhole tools, and space-grade avionics enclosures |
Applications
| RS-232 Interface Protection | Ethernet 10 Base-T Signal Clamping |
|---|---|
Use Scenario: Protecting UART transceivers against ESD and line transients in industrial serial gateways. IC Role / Device Role / Timing Role: Fast-switching clamping diode placed between TX/RX lines and ground or VCC rail. Use Value: 5 ns trr and 75 V VRWM prevent data corruption during ±8 kV contact discharge events per IEC 61000-4-2. | Use Scenario: Limiting voltage overshoot on differential pair nodes in legacy Ethernet PHY interfaces. IC Role / Device Role / Timing Role: Low-capacitance signal limiter in receiver input stage to suppress ringing and crosstalk. Use Value: 4.0 pF capacitance avoids bandwidth degradation beyond 10 MHz while maintaining <1.2 V VF at 100 mA. |
| LAN Transceiver Input Protection | Aerospace Data Bus Line Conditioning |
Use Scenario: Guarding RJ-45 port PHY inputs against induced surges in building-wide LAN infrastructure. IC Role / Device Role / Timing Role: Bidirectional transient suppressor using paired 1N4148UBCCC/TR devices in common-cathode configuration. Use Value: Ceramic UB package withstands thermal cycling over –55 °C to +125 °C without hermeticity loss. | Use Scenario: Signal integrity maintenance in MIL-STD-1553B stub interfaces exposed to vibration and wide temperature swings. IC Role / Device Role / Timing Role: High-reliability switching element in discrete logic-level translation and bus arbitration circuits. Use Value: JANTXV qualification ensures zero infant mortality and 100% lot acceptance testing per MIL-PRF-19500/116. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar switching diode applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| 1N4148W-7-F (Diodes Inc.) | Plastic SOD-123 package, 100 V V(BR), 4 ns trr, RoHS-compliant but not MIL-qualified | Commercial industrial controls; lacks ceramic hermeticity and JANTXV screening | Select when cost and volume outweigh military reliability requirements |
| NSR0230HT1G (onsemi) | Schottky architecture, 30 V VRWM, 0.35 V VF at 10 mA, no reverse recovery (trr = 0) | Low-voltage logic-level clamping only; unsuitable for 75 V signal rails | Choose only for sub-30 V systems where ultra-low VF and zero recovery loss are critical |
Compared with 1N4148W-7-F and NSR0230HT1G, the 1N4148UBCCC/TR uniquely combines MIL-PRF-19500/116 JANTXV qualification, ceramic hermeticity, 75 V VRWM, and 5 ns trr - making it irreplaceable in defense-grade RS-232 and Ethernet 10 Base-T subsystems requiring guaranteed long-term reliability under extreme thermal and mechanical stress.
Availability
1N4148UBCCC/TR is available at Aetrix Electronics and suitable for RS-232 interface protection, Ethernet 10 Base-T signal clamping, and aerospace data bus conditioning requiring stable component supply across extended temperature and reliability lifecycles.
Supply support for 1N4148UBCCC/TR 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
Microsemi Corporation (now part of Microchip Technology) designs high-reliability analog and RF semiconductors for aerospace, defense, and industrial markets.
The 1N4148UBCCC/TR belongs to Microsemi's military-grade switching diode product line, engineered specifically for signal integrity preservation and transient resilience in harsh-environment communication interfaces.
FAQ
What is the qualified reliability level for the 1N4148UBCCC/TR?
The 1N4148UBCCC/TR is qualified to MIL-PRF-19500/116 at JANTXV level, including full lot traceability, burn-in, temperature cycling, and hermeticity testing. This certification confirms suitability for flight-critical and high-reliability defense applications where failure modes must be statistically eliminated.
Does the 1N4148UBCCC/TR have a common cathode configuration?
Yes, the "CC" suffix in 1N4148UBCCC/TR explicitly denotes common cathode polarity. This allows two diodes to share a single cathode terminal - ideal for dual-rail clamping, bidirectional ESD protection, or logic-level translation circuits where matched thermal and electrical characteristics are essential.
What is the reverse recovery time specification for the 1N4148UBCCC/TR?
The 1N4148UBCCC/TR has a reverse recovery time (trr) of 5 ns, measured under standardized conditions: IF = IR = 10 mA, RL = 100 Ω, per JEDEC JESD282-B. This value ensures minimal switching distortion in high-frequency digital signal paths up to 20 MHz.
Is the 1N4148UBCCC/TR compatible with lead-free reflow processes?
Yes, the 1N4148UBCCC/TR supports standard lead-free reflow profiles (JEDEC J-STD-020), enabled by its ceramic package and gold-plated nickel underplate terminals. The device withstands peak temperatures up to 260 °C for 10 seconds without parameter shift or delamination.
What is the maximum working peak reverse voltage for the 1N4148UBCCC/TR?
The 1N4148UBCCC/TR has a working peak reverse voltage (VRWM) of 75 V, defined per JESD282-B as the maximum continuous reverse voltage applicable across the full operating temperature range, excluding transient spikes. This rating supports robust clamping in RS-232 and industrial fieldbus interfaces.
1N4148UBCCC/TR Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Microchip Technology
- Series:
- -
- Package/Case:
- 3-SMD, No Lead
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Diode Configuration:
- 1 Pair Common Cathode
- Technology:
- Standard
- Voltage - DC Reverse (Vr) (Max):
- 75 V
- Current - Average Rectified (Io) (per Diode):
- 1A
- Voltage - Forward (Vf) (Max) @ If:
- 800 mV @ 100 mA
- Speed:
- Fast Recovery =< 500ns, > 200mA (Io)
- Reverse Recovery Time (trr):
- 5 ns
- Current - Reverse Leakage @ Vr:
- 25 nA @ 20 V
- Operating Temperature - Junction:
- -65°C ~ 200°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- UBC
1N4148UBCCC/TR FAQ
1.How can I place an order for 1N4148UBCCC/TR through Aetrix?
Please submit a Request for Quotation (RFQ) for 1N4148UBCCC/TR 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 1N4148UBCCC/TR reliable?
The price and inventory of 1N4148UBCCC/TR are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for 1N4148UBCCC/TR is usually 5 days.
3.What payment methods are accepted for 1N4148UBCCC/TR?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for 1N4148UBCCC/TR transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for 1N4148UBCCC/TR?
1N4148UBCCC/TR orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your 1N4148UBCCC/TR 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 1N4148UBCCC/TR?
For technical support, including 1N4148UBCCC/TR datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your 1N4148UBCCC/TR requirements.
6.How does Aetrix verify that 1N4148UBCCC/TR is sourced from the original manufacturer or authorized distributors?
All 1N4148UBCCC/TR 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 1N4148UBCCC/TR meets industry standards.
7.What is the process for return or replacement of 1N4148UBCCC/TR?
All 1N4148UBCCC/TR units undergo pre-shipment inspection (PSI). If there is an issue with 1N4148UBCCC/TR, 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 1N4148UBCCC/TR part is unused and in its original packaging.
Return procedure for 1N4148UBCCC/TR:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
1N4148UBCCC/TR Tags
-
BAV99-7-F
Diodes Incorporated
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BAT54C-7-F
Diodes Incorporated
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BAV99,215
Nexperia USA Inc.
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BAT54SLT1G
onsemi
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BAV70LT1G
onsemi
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BAT54CLT1G
onsemi
-
BAT54S-7-F
Diodes Incorporated
-
BAV99LT1G
onsemi
-
BAT54S,215
Nexperia USA Inc.
-
BAS40-04LT1G
onsemi
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MMBD1503-TP
Micro Commercial Co
-
BAV99WT1G
onsemi
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