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Good-Ark Semiconductor BAS85
- Part Number:
BAS85
- Manufacturer:
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- RoHs:
RoHS Compliant - Datasheet:
BAS85_Datesheet - Description:
Diode 30 V 200mA Surface Mount SOD-80 MiniMELF
- In stock 8,999
BAS85 – Low-Leakage Schottky Diode
Good-Ark Semiconductor – Complete Technical & Ordering Summary
1. Device Identity
| Attribute | Detail |
|---|---|
| Orderable Part Number | BAS85 |
| Description | 30 V, 200 mA low-leakage Schottky barrier diode |
| Package | SOD-80 (Mini-MELF) glass-encapsulated cylindrical |
| RoHS Status | Lead-free / RoHS-compliant |
| Shipping Method | 8 mm embossed carrier tape, 7-inch reel |
| Quantity / Reel | 2,500 pieces |
2. Package & Mechanical Data
- JEDEC Package Name: SOD-80 (also known as Mini-MELF, LL-34 outline)
- Body Dimensions: Ø 1.5 mm × 3.5 mm L (typ.)
- Lead Finish: Matte tin-plated, solderable per J-STD-002
- Polarity: Cathode line marked on glass body
- Weight: ≈ 0.04 g
- MSL Rating: MSL-1 (unlimited floor life)
- Reflow Capability: 260 °C / 10 s (J-STD-020)
3. Maximum Ratings (TA = 25 °C unless noted)
| Parameter | Symbol | Value | Unit |
|---|---|---|---|
| Repetitive Peak Reverse Voltage | VRRM | 30 | V |
| Forward Continuous Current | IF | 200 | mA |
| Repetitive Peak Forward Current (tp < 1 s, δ < 0.5) | IFRM | 300 | mA |
| Surge Forward Current (tp < 1 s) | IFSM | 600 | mA |
| Power Dissipation (infinite heatsink) | Ptot | 200 | mW |
| Thermal Resistance (Junction-to-Ambient) | RθJA | 300 | °C/W |
| Junction Temperature | TJ | 125 | °C |
| Storage Temperature Range | TSTG | −65 to +150 | °C |
4. Electrical Characteristics (TA = 25 °C, pulse test tp < 300 µs, δ < 2 %)
| Parameter | Symbol | Test Condition | Typ | Max | Unit |
|---|---|---|---|---|---|
| Forward Voltage | VF | IF = 0.1 mA | 0.24 | — | V |
| IF = 1 mA | 0.32 | — | V | ||
| IF = 10 mA | 0.40 | — | V | ||
| IF = 30 mA | 0.50 | — | V | ||
| IF = 100 mA | 0.80 | — | V | ||
| Reverse Leakage Current | IR | VR = 25 V | 0.2 | 2 | µA |
| Junction Capacitance | Ctot | VR = 1 V, f = 1 MHz | 12 | — | pF |
| Reverse Recovery Time | trr | IF = IR = 10 mA → IR = 1 mA | 5 | — | ns |
5. Typical Performance Curves (datasheet figures)
- Figure 1: Power Derating vs. Ambient Temperature
- Figure 2: Forward Voltage vs. Forward Current (0.1 mA – 1 A)
- Figure 3: Reverse Current vs. Reverse Voltage (25 °C – 125 °C)
- Figure 4: Junction Capacitance vs. Reverse Voltage (1 MHz)
6. Key Applications
- HF detector & demodulator circuits
- DC/DC converter snubber & OR-ing in notebooks
- Small battery chargers, reverse-polarity protection
- Low-voltage logic level shifting (<0.8 V VF @ 10 mA)
- Fast switching (trr ≈ 5 ns) in SMPS feedback loops
7. Compatible / Alternative Parts
| Part Number | Package | VR (V) | IF (mA) | VF @ 100 mA | Vendor |
|---|---|---|---|---|---|
| BAS85-G | SOD-80 | 30 | 200 | 0.80 V | Good-Ark (Pb-free) |
| BAT54 | SOT-23 | 30 | 200 | 0.90 V | Many vendors |
| RB521S-30 | SOD-523 | 30 | 200 | 0.85 V | Rohm |
| PMEG3002EJ | SOD-123F | 30 | 2000 | 0.41 V | Nexperia (higher current) |
8. Ordering Information
| Part Number | Package | Quantity / Reel | Marking | Carrier |
|---|---|---|---|---|
| BAS85 | SOD-80 (Mini-MELF) | 2,500 | Cathode line | Tape & Reel |
| BAS85-G | SOD-80 (Pb-free) | 2,500 | Cathode line | Tape & Reel |
9. Handling & Soldering
- Moisture Sensitivity: MSL-1 – no dry-pack required
- Reflow Profile: Standard Pb-free 260 °C peak (J-STD-020)
- Hand Soldering: 350 °C iron, ≤3 s per lead, 1 mm min. from body
- Storage: 5 – 30 °C, RH <60 %, unlimited shelf life
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