HSMP-3814-TR1G

**Description**
- Surface mount RF PIN low distortion attenuator diode
- Designed specifically for low distortion attenuator applications
- Designed for use at frequencies much higher than the upper limit for conventional diodes
- PIN - 1 Pair Common Cathode configuration (dual diode)
- Housed in a 3‑pin SOT‑23 surface mount package
- Marking code: E4
- **Product Status:** Obsolete – no longer manufactured

**Features**
- Diodes optimized for low distortion attenuating
- Diodes optimized for microwave frequency operation
- Surface mount package – single and dual versions available
- Tape and reel packaging options available
- Low failure in time (FIT) rate
- Lead‑free and RoHS compliant
- Moisture Sensitivity Level: MSL‑1 (Unlimited)

**Key Specifications** (Typical @ 25°C)
- Diode Type: PIN - 1 Pair Common Cathode
- Peak Reverse Voltage (VR): 100 V
- Forward Current (IF): 1 A max
- Diode Capacitance (Ct): 0.35 pF @ VR = 50V, f = 1MHz
- Series Resistance (Rs): 3 Ω @ IF = 100mA, f = 100MHz
- Operating Temperature (TJ): 150°C max
- Package / Case: TO‑236‑3, SC‑59, SOT‑23‑3
- Supplier Device Package: SOT‑23‑3
- Packaging: Tape & Reel (TR)

**Applications**
- Low distortion RF attenuators
- Microwave frequency operation
- RF communications
- Industrial applications

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> **Note:** All parameters are subject to the official Broadcom (Avago) HSMP‑381x series datasheet. Specifications are typical values and may vary with operating conditions. This product is obsolete and not recommended for new designs.