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HSMP-381B-BLKG RF PIN Diode Equivalent & Substitute Parts
Part Overview
The HSMP-381B-BLKG is an RF PIN diode manufactured by Broadcom Limited, designed for RF switching and attenuation applications. This single PIN diode operates at a peak reverse voltage of 100V with a maximum current rating of 1A, housed in an SC-70 SOT-323 package. The product is classified as obsolete, making identification of functionally equivalent substitute components necessary for ongoing design support and procurement continuity.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Diode Type | PIN - Single |
| Voltage - Peak Reverse (Max) | 100V |
| Current - Max | 1 A |
| Capacitance @ Vr, F | 0.35pF @ 50V, 1MHz |
| Resistance @ If, F | 3Ohm @ 100mA, 100MHz |
| Operating Temperature | 150°C (TJ) |
| Package / Case | SC-70, SOT-323 |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) |
Substitute Part Grouping Explanation
Substitution eligibility for the HSMP-381B-BLKG is determined by the following critical parameters:
- Diode Type: Must be PIN - Single configuration
- Package Compatibility: SC-70 or SOT-323 package required for PCB layout compatibility
- Voltage Rating: Peak reverse voltage must meet or exceed 100V
- Current Capacity: Maximum current must support 1A operation
- Capacitance and Resistance: Operating characteristics at specified frequencies must be within acceptable ranges for RF switching applications
- Moisture Sensitivity: MSL rating of 1 or equivalent
Two substitute parts meet these criteria with varying trade-offs in voltage rating, current capacity, and operating temperature range.
Parameter Comparison
| Parameter | HSMP-381B-BLKG (Main) | 1SV263-TL-E (Substitute) | MADP-017015-13140G (Substitute) |
|---|---|---|---|
| Manufacturer | Broadcom Limited | onsemi | MACOM Technology Solutions |
| Diode Type | PIN - Single | PIN - Single | PIN - Single |
| Voltage - Peak Reverse (Max) | 100V | 50V | 115V |
| Current - Max | 1 A | 50 mA | 500 mA |
| Capacitance @ Vr, F | 0.35pF @ 50V, 1MHz | 0.4pF @ 50V, 1MHz | 0.38pF @ 40V, 1MHz |
| Resistance @ If, F | 3Ohm @ 100mA, 100MHz | 4.5Ohm @ 10mA, 100MHz | 720mOhm @ 10mA, 1GHz |
| Operating Temperature | 150°C (TJ) | 125°C (TJ) | 175°C (TJ) |
| Package / Case | SC-70, SOT-323 | SC-70, SOT-323 | 2-SMD, No Lead |
| Product Status | Obsolete | Obsolete | Active |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) | 1 (Unlimited) | 1 (Unlimited) |
Engineering Selection Recommendations
1SV263-TL-E (onsemi): This substitute provides package compatibility with SC-70 SOT-323 form factor and MSL-1 rating. However, the 50V peak reverse voltage rating is insufficient for applications requiring the full 100V capability of the HSMP-381B-BLKG. The 50mA maximum current is also significantly lower than the 1A rating of the main part. This substitute is suitable only for applications operating below 50V with current requirements not exceeding 50mA. Product status is obsolete.
MADP-017015-13140G (MACOM Technology Solutions): This substitute exceeds the voltage and current specifications of the HSMP-381B-BLKG, with a 115V peak reverse voltage rating and 500mA maximum current capacity. The package form factor differs (2-SMD, No Lead versus SC-70 SOT-323), requiring PCB layout modification. The product maintains active status and ROHS3 compliance. The operating temperature range extends to 175°C, providing superior thermal performance. This substitute is suitable for direct functional replacement in applications where package footprint modification is acceptable.
Frequently Asked Questions (FAQ)
Q: Can the 1SV263-TL-E directly replace the HSMP-381B-BLKG in all applications?
A: No. The 1SV263-TL-E has a maximum peak reverse voltage of 50V, which is insufficient for circuits designed for the HSMP-381B-BLKG's 100V rating. Additionally, the 50mA current limit is substantially lower than the 1A specification. Use this substitute only in applications confirmed to operate below 50V with current requirements under 50mA.
Q: What are the package differences between the substitutes?
A: The HSMP-381B-BLKG and 1SV263-TL-E both use SC-70 SOT-323 packaging, enabling direct PCB footprint compatibility. The MADP-017015-13140G uses 2-SMD No Lead packaging, requiring PCB layout redesign and new assembly procedures.
Q: Is the MADP-017015-13140G suitable for high-temperature applications?
A: Yes. The MADP-017015-13140G operates to 175°C junction temperature, compared to 150°C for the HSMP-381B-BLKG, providing a 25°C thermal margin advantage.
Q: What is the significance of the obsolete product status?
A: Both the HSMP-381B-BLKG and 1SV263-TL-E are classified as obsolete, indicating discontinued manufacturing. The MADP-017015-13140G maintains active product status with ongoing manufacturing support and availability.
Q: Are all three parts ROHS3 compliant?
A: The HSMP-381B-BLKG does not specify ROHS status. Both 1SV263-TL-E and MADP-017015-13140G are ROHS3 compliant.
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