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Vishay General Semiconductor - Diodes Division 1N4454-TR
- Part No.:
- 1N4454-TR
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Category:
- Single Diodes
- Package:
- DO-204AH, DO-35, Axial
- Datasheet:
-
1N4454-TR.pdf
- Description:
- DIODE GEN PURP 75V 150MA DO35
- Quantity:
- Payment:
- Shipping:
Inventory:9,776
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Product details
Overview
1N4454-TR from Vishay Semiconductors is a silicon epitaxial planar fast-switching small-signal diode in DO-35 glass package, rated for 100 V peak reverse voltage (VRM), 150 mA average forward current (IF(AV)), and 4 ns reverse recovery time (trr). It delivers low leakage (≤5 µA at 75 V), 1.0 V max forward voltage at 10 mA, and 2 pF junction capacitance - ideal for high-frequency rectification and signal demodulation in RF receiver front-ends.
For engineers reviewing the 1N4454-TR datasheet, 1N4454-TR pinout, 1N4454-TR application, or 1N4454-TR equivalent, key selection criteria include verified trr ≤ 4 ns, VRM = 100 V, Ctot ≤ 2 pF at 0 V, IF(AV) = 150 mA, and DO-35 mechanical compatibility with automated placement systems using 52 mm tape width.
Technical Context
The 1N4454-TR operates as a unidirectional PN junction device optimized for high-speed switching up to 100 MHz, with rectification efficiency ηv = 0.45 at 100 MHz and 2 V RF input. Its epitaxial planar construction ensures consistent trr ≤ 4 ns under defined test conditions (IF = 10 mA → IR = 1 mA, VR = 6 V, RL = 100 Ω).
Thermal performance is constrained by RθJA = 350 °C/W and TJ(max) = 175 °C, requiring derating above Tamb = 25 °C per the admissible power dissipation curve. Junction capacitance drops from 2 pF at 0 V to ~0.5 pF at 8 V reverse bias, supporting tuned RF detector applications.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Peak Reverse Voltage (VRM) | 100 V - supports rectification in 75 V DC supply rails with safety margin |
| Average Forward Current (IF(AV)) | 150 mA - enables continuous signal-level detection or clamping in low-power analog stages |
| Reverse Recovery Time (trr) | 4 ns - ensures minimal switching loss and distortion in 10–100 MHz RF envelope detection |
| Junction Capacitance (Ctot) | 2 pF at 0 V - maintains impedance match in 50 Ω RF paths without significant loading |
| Forward Voltage (VF) | ≤1.0 V at 10 mA - minimizes voltage drop in precision peak-detector circuits |
| Leakage Current (IR) | ≤5 µA at 75 V - preserves signal integrity in high-impedance sample-and-hold nodes |
Pinout & Package
Package: DO-35 (DO-204AH) glass axial package, 2.0 mm diameter × 4.5 mm length, weight ≈ 0.13 g, lead spacing 8 mm, compatible with standard axial tape-and-reel feeders (52 mm tape width).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode (A) | Forward current entry point | Connected to higher-potential node during conduction; requires thermal relief on PCB for Ptot = 500 mW handling |
| Cathode (K) | Forward current exit point / polarity indicator | Marked by band on glass body; ties to reference/ground side in clamp/detector configurations |
Key Features
| Feature | Design Value |
|---|---|
| Silicon epitaxial planar structure | Enables reproducible trr ≤ 4 ns and low Ctot dispersion across production lots |
| Fast switching capability | Validated at 100 MHz with ηv = 0.45, supporting AM/FM demodulator IC front-ends |
| Low junction capacitance | 2 pF at 0 V reverse bias - avoids detuning of LC tank circuits in RF receivers |
| High-temperature operation | TJ(max) = 175 °C allows use in sealed enclosures with ambient up to +125 °C after derating |
Applications
| AM Radio Detector | RF Signal Clamp |
|---|---|
Use Scenario: Demodulating amplitude-modulated carrier signals in portable AM radios operating at 530–1710 kHz. IC Role / Device Role / Timing Role: Passive envelope detector diode converting RF carrier amplitude into audio baseband waveform. Use Value: 4 ns trr and 2 pF Ctot preserve modulation fidelity without high-frequency roll-off or phase distortion. | Use Scenario: Clamping video sync pulses or digital logic edges to fixed DC reference in analog interface circuits. IC Role / Device Role / Timing Role: Fast-turn-on clamping diode limiting signal swing to prevent overvoltage at ADC inputs. Use Value: ≤1.0 V VF at 10 mA ensures precise clamping threshold with minimal offset error. |
| High-Frequency Probe Tip | Sample-and-Hold Input Protection |
Use Scenario: Peak-sampling RF signals in handheld spectrum analyzers or field-strength meters. IC Role / Device Role / Timing Role: High-speed sampling diode capturing instantaneous RF envelope peaks for logarithmic amplification. Use Value: 100 V VRM withstands transient RF bursts; 5 µA IR at 75 V prevents discharge drift in hold capacitors. | Use Scenario: Protecting precision sample-and-hold amplifier inputs from ESD and overvoltage transients. IC Role / Device Role / Timing Role: Low-capacitance shunt limiter conducting only during overvoltage events. Use Value: 2 pF Ctot avoids degrading acquisition bandwidth; DO-35 glass body provides stable leakage below 100 nA at 20 V. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar fast-switching small-signal diode applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| 1N4148-TR | VRM = 100 V, trr = 4 ns, but Ctot = 4 pF (vs. 2 pF), IF(AV) = 300 mA | Higher capacitance limits use in >50 MHz RF detectors; higher IF(AV) suits higher-current clamp designs | Select 1N4148-TR when forward current exceeds 150 mA and RF frequency < 50 MHz |
| BAS16-TR | VRM = 85 V, trr = 4 ns, Ctot = 1.5 pF, IF(AV) = 215 mA, SOT-23 package | Lower VRM restricts use in 75+ V circuits; surface-mount form enables denser RF layouts | Select BAS16-TR when board space is constrained and VRM ≤ 85 V suffices |
Compared with 1N4454-TR, the 1N4148-TR offers higher current capacity but doubles junction capacitance, while the BAS16-TR reduces capacitance further but sacrifices 15 V of reverse voltage rating - trade-offs directly impact RF detector Q-factor and voltage headroom in clamp networks.
Availability
1N4454-TR is available at Aetrix Electronics and suitable for AM radio detectors, RF signal clamps, high-frequency probe tips, and sample-and-hold input protection requiring stable component supply and DO-35 tape-and-reel compatibility.
Supply support for 1N4454-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
Vishay Semiconductors is a global manufacturer of discrete semiconductors and passive components, specializing in high-reliability diodes, MOSFETs, and resistors for industrial, automotive, and computing applications.
The 1N4454-TR belongs to Vishay's legacy General Semiconductor fast-switching diode family, engineered specifically for RF and high-frequency analog signal conditioning where low Ctot, fast trr, and stable leakage are critical.
FAQ
What is the maximum reverse voltage rating for the 1N4454-TR?
The 1N4454-TR has a peak reverse voltage (VRM) rating of 100 V and a maximum DC reverse voltage (VR) of 75 V. This means it can safely block up to 100 V in short-duration transient conditions, but continuous reverse bias must remain at or below 75 V to ensure reliability. The 1N4454-TR datasheet specifies these limits under TA = 25 °C with leads held at ambient temperature at 8 mm from the case.
What is the reverse recovery time (trr) of the 1N4454-TR and how is it measured?
The 1N4454-TR has a guaranteed maximum reverse recovery time (trr) of 4 ns. This value is measured under standardized conditions: forward current IF = 10 mA switching to reverse current IR = 1 mA, with VR = 6 V and RL = 100 Ω. The 1N4454-TR achieves this performance due to its silicon epitaxial planar construction, making it suitable for frequencies up to 100 MHz.
Does the 1N4454-TR have a specified junction capacitance, and what is its value?
Yes, the 1N4454-TR has a maximum junction capacitance (Ctot) of 2 pF, measured at zero bias (VF = VR = 0 V) and f = 1.0 MHz. Capacitance decreases with increasing reverse voltage - e.g., to ~0.5 pF at 8 V - which helps maintain tuning stability in RF tank circuits. This low Ctot is a key differentiator of the 1N4454-TR in high-frequency detector applications.
What package type is used for the 1N4454-TR, and what are its mechanical dimensions?
The 1N4454-TR uses the DO-35 (also designated DO-204AH) glass axial package: cylindrical glass body, 2.0 mm diameter × 4.5 mm length, with tinned copper alloy leads spaced 8 mm apart. Its approximate weight is 0.13 g. This package supports automatic insertion and is compatible with 52 mm-wide tape-and-reel feeding systems used in SMT assembly lines.
What is the forward voltage drop of the 1N4454-TR at typical operating current?
The 1N4454-TR exhibits a maximum forward voltage drop (VF) of 1.0 V at IF = 10 mA and TA = 25 °C. At lower currents (e.g., 1 mA), VF drops to approximately 0.7 V. This predictable VF behavior supports accurate DC restoration and precision clamping in analog signal chains where the 1N4454-TR serves as a passive nonlinear element.
1N4454-TR Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Series:
- -
- Package/Case:
- DO-204AH, DO-35, Axial
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Technology:
- Standard
- Voltage - DC Reverse (Vr) (Max):
- 75 V
- Current - Average Rectified (Io):
- 150mA
- Voltage - Forward (Vf) (Max) @ If:
- 1 V @ 10 mA
- Speed:
- Small Signal =< 200mA (Io), Any Speed
- Reverse Recovery Time (trr):
- 4 ns
- Current - Reverse Leakage @ Vr:
- 5 µA @ 75 V
- Capacitance @ Vr, F:
- -
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Through Hole
- Supplier Device Package:
- DO-204AH (DO-35)
- Operating Temperature - Junction:
- 175°C (Max)
1N4454-TR FAQ
1.How can I place an order for 1N4454-TR through Aetrix?
Please submit a Request for Quotation (RFQ) for 1N4454-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 1N4454-TR reliable?
The price and inventory of 1N4454-TR are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for 1N4454-TR is usually 5 days.
3.What payment methods are accepted for 1N4454-TR?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for 1N4454-TR transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for 1N4454-TR?
1N4454-TR orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your 1N4454-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 1N4454-TR?
For technical support, including 1N4454-TR datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your 1N4454-TR requirements.
6.How does Aetrix verify that 1N4454-TR is sourced from the original manufacturer or authorized distributors?
All 1N4454-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 1N4454-TR meets industry standards.
7.What is the process for return or replacement of 1N4454-TR?
All 1N4454-TR units undergo pre-shipment inspection (PSI). If there is an issue with 1N4454-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 1N4454-TR part is unused and in its original packaging.
Return procedure for 1N4454-TR:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
1N4454-TR Tags
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1N4448X-TP
Micro Commercial Co
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1N4148WX-TP
Micro Commercial Co
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1N4148TR
onsemi
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MMSD4148T1G
onsemi
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MMBD914LT3G
onsemi
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BAS16HT1G
onsemi
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1N914BWT
onsemi
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BAS21LT1G
onsemi
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LL4148
onsemi
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BAS16LT1G
onsemi
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MMSD914T1G
onsemi
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BAV21W-7-F
Diodes Incorporated
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