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1N4148WHE3-TP
Micro Commercial Co
DIODE GEN PURP 100V 150MA SOD123
204359 Pcs New Original In Stock
Diode 100 V 150mA Surface Mount SOD-123
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5.0 / 5.0
- (133 Ratings)
1N4148WHE3-TP
Product Overview
12975714
DiGi Electronics Part Number
1N4148WHE3-TP-DGManufacturer
Micro Commercial Co
1N4148WHE3-TP
Description
DIODE GEN PURP 100V 150MA SOD123Inventory
204359 Pcs New Original In Stock
Diode 100 V 150mA Surface Mount SOD-123
Quantity
Minimum 1
Minimum 1
Purchase and inquiry
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365 - Day Quality Guarantee - Every part fully backed.
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1N4148WHE3-TP Technical Specifications
Category
Diodes, Rectifiers, Single Diodes
Packaging
Tape & Reel (TR)
Series
-
Product Status
Active
Technology
Standard
Voltage - DC Reverse (Vr) (Max)
100 V
Current - Average Rectified (Io)
150mA
Voltage - Forward (Vf) (Max) @ If
1.25 V @ 150 mA
Speed
Small Signal =< 200mA (Io), Any Speed
Reverse Recovery Time (trr)
4 ns
Current - Reverse Leakage @ Vr
1 µA @ 75 V
Capacitance @ Vr, F
2pF @ 0V, 1MHz
Grade
Automotive
Qualification
AEC-Q101
Mounting Type
Surface Mount
Package / Case
SOD-123
Supplier Device Package
SOD-123
Operating Temperature - Junction
-65°C ~ 150°C
Base Product Number
1N4148
Datasheet & Documents
HTML Datasheet
1N4148WHE3-TP-DG
Environmental & Export Classification
RoHS Status
ROHS3 Compliant
Moisture Sensitivity Level (MSL)
1 (Unlimited)
REACH Status
REACH Unaffected
ECCN
EAR99
HTSUS
8541.10.0070
Additional Information
Other Names
353-1N4148WHE3-TPCT
353-1N4148WHE3-TPTR
353-1N4148WHE3-TPDKR
Standard Package
3,000
Alternative Parts
View DetailsPART NUMBER
MANUFACTURER
QUANTITY AVAILABLE
DiGi PART NUMBER
UNIT PRICE
SUBSTITUTE TYPE
Reviews
5.0/5.0-(Show up to 5 Ratings)
грудня 02, 2025
用過好多家電子商店，DiGi的價格最實惠，而且包裝做得很環保，值得推崇！
грудня 02, 2025
L'expédition a été incroyablement rapide, j'ai reçu ma commande en un temps record.
грудня 02, 2025
DiGi Electronics makes technology accessible through their excellent prices and welcoming staff.
грудня 02, 2025
Their on-time shipping has helped me streamline my repair operations effectively.
грудня 02, 2025
I appreciate how thorough and considerate their customer support is.
грудня 02, 2025
The combination of ample stock and excellent support keeps me coming back to DiGi Electronics.
грудня 02, 2025
Their efficient logistics system is a huge advantage over competitors.
грудня 02, 2025
Customer support was always ready to address my concerns, which made the process stress-free.
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Frequently Asked Questions (FAQ)
Can the 1N4148WHE3-TP be used as a drop-in replacement for the 1N4148W-G RHG in high-speed switching circuits, and what design checks are needed?
Yes, the 1N4148WHE3-TP can generally replace the 1N4148W-G RHG in high-speed switching applications due to identical 4 ns reverse recovery time and 100 V reverse voltage rating. However, verify PCB footprint compatibility—both use SOD-123, but check thermal pad design if present. Also confirm that the driving circuit can handle the 1.25 V max forward drop at 150 mA to avoid signal integrity issues in low-voltage logic interfaces. Always test under worst-case temperature conditions up to 150°C junction rating to ensure switching performance remains stable.
What are the key risks when using the 1N4148WHE3-TP in automotive under-hood applications near the temperature limit?
When using the 1N4148WHE3-TP in high-temperature automotive environments, the main risk is approaching the 150°C junction temperature limit, which can increase reverse leakage current beyond the 1 µA @ 75 V spec and degrade long-term reliability. Ensure adequate PCB heat dissipation through thermal vias or copper planes, especially if ambient exceeds 125°C. Leverage its AEC-Q101 qualification for robustness, but derate current handling to <120 mA above 100°C ambient to maintain margin. Monitor for thermal runaway in parallel diode configurations.
How does the 2pF capacitance of the 1N4148WHE3-TP impact RF signal routing in low-power high-frequency designs?
The 2pF capacitance at 0V bias in the 1N4148WHE3-TP can load high-frequency RF nodes, particularly above 100 MHz, potentially causing signal attenuation or detuning in impedance-matched circuits. In RF clamping or protection roles, this capacitance may disturb antenna or filter performance—consider using a lower-capacitance diode like the BB857 if signal integrity is critical. For digital signal steering, ensure rise/fall times aren't degraded; simulation with actual PCB parasitics is recommended to validate performance in your layout.
What are the implications of using the 1N4148WHE3-TP beyond 150mA average rectified current in pulse applications?
Exceeding the 150mA average rectified current in the 1N4148WHE3-TP—even in pulsed operation—risks overheating due to thermal resistance of the SOD-123 package. While peak current may be higher, ensure pulse width and duty cycle keep RMS current within thermal limits. For example, a 300mA pulse at 50% duty cycle exceeds rating. Use thermal modeling to confirm junction temperature stays below 150°C. Consider alternatives like MMBD4148 for higher surge capability or parallel diodes with current-sharing resistors if sustained overcurrent is needed.
Why might the 1N4148WHE3-TP fail prematurely in humidity-prone environments despite MSL-1 rating, and how can this be mitigated?
Despite the 1N4148WHE3-TP having MSL-1 (unlimited floor life) and being RoHS3/REACH compliant, failure in humid environments can occur due to flux residues or conformal coating defects enabling surface leakage or corrosion. Ensure no-clean flux is fully activated during reflow and consider ion chromatography testing if field failures arise. Apply conformal coating uniformly over the SOD-123 package to block moisture ingress, especially in automotive or industrial settings. Avoid mechanical stress during assembly that could compromise the mold compound integrity over time.
Quality Assurance (QC)
DiGi ensures the quality and authenticity of every electronic component through professional inspections and batch sampling, guaranteeing reliable sourcing, stable performance, and compliance with technical specifications, helping customers reduce supply chain risks and confidently use components in production.
1N4148WHE3-TP CAD Models
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