component
1.5SMB36A
Public Made by Adomby adom
Littelfuse TVS, DO-214AA(SMBJ). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
3D Model
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Symbol & Footprint
Schematic Symbol
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PCB Footprint
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Datasheet
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Contents
README
markdown1.5SMB36A
Littelfuse · TVS · DO-214AA(SMBJ)
1.5SMB36A from Littelfuse, in a DO-214AA(SMBJ). Pinout and pin descriptions extracted from the manufacturer datasheet (extract_pins, cross-checked by a second model); symbol, footprint, and 3D from KiCad-official CAD.
Pinout
| Pin | Name | Type | Function |
|---|---|---|---|
| 1 | Cathode | passive | Cathode terminal of the unidirectional 1.5SMB36A TVS, marked by the cathode band; VR 30.8V standoff, VBR 34.2-37.8V at 1mA, VC 49.9V at 30.5A (10/1000µs). |
| 2 | Anode | passive | Anode terminal of the unidirectional 1.5SMB36A TVS; 1500W peak pulse power at 10/1000µs, VF max 5.0V at 50A. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Littelfuse |
| Package | DO-214AA(SMBJ) |
| Category | TVS/Fuse/Board Level Protection |
| Pins | 2 |
Electrical characteristics
Limits as printed in the datasheet (page.json metadata.characteristics carries them as data).
| Parameter | Symbol | Min | Typ | Max | Unit | Conditions | Page |
|---|---|---|---|---|---|---|---|
| Reverse Stand-off Voltage | VR | 30.8 | V | 2 | |||
| Breakdown Voltage | VBR | 34.2 | 37.8 | V | @ IT = 1 mA | 2 | |
| Maximum Clamping Voltage (10/1000μs) | VC | 49.9 | V | @ Ipp 30.5 A (10/1000μs) | 2 | ||
| Maximum Peak Pulse Current (10/1000μs) | Ipp | 30.5 | A | 10/1000μs | 2 | ||
| Maximum Clamping Voltage (8/20μs) | VC | 64.5 | V | @ Ipp 167.8 A (8/20μs) | 2 | ||
| Maximum Peak Pulse Current (8/20μs) | Ipp | 167.8 | A | 8/20μs | 2 | ||
| Maximum Reverse Leakage | IR | 1 | µA | @ VR | 2 | ||
| Maximum Temperature coefficient of VBR | αT | 0.096 | %/C | 2 | |||
| Peak Pulse Power Dissipation | PPPM | 1500 | W | 10/1000μs waveform, TA=25°C | 1 | ||
| Power Dissipation on Infinite Heat Sink | PD | 5 | W | TL=50°C | 1 | ||
| Peak Forward Surge Current | IFSM | 120 | A | 8.3ms single half sine wave, unidirectional only | 1 | ||
| Maximum Instantaneous Forward Voltage | VF | 5 | V | at 50A, unidirectional only | 1 | ||
| Operating Temperature Range | TJ | -65 | 150 | °C | 1 | ||
| Storage Temperature Range | TSTG | -65 | 175 | °C | 1 | ||
| Typical Thermal Resistance Junction to Lead | RθJL | 20 | °C/W | 1 | |||
| Typical Thermal Resistance Junction to Ambient | RθJA | 100 | °C/W | 1 | |||
| VBR Temperature Coefficient (typical) | αT | 0.1 | % | VBR @ TJ = VBR@25°C x (1+αT x (TJ - 25)) | 1 | ||
| VBR Voltage Tolerance | -5 | 5 | % | A suffix: 5% VBR voltage tolerance | 5 |
Materials and finish
As the datasheet states them (page.json metadata.appearance; the 3D model's colours follow it).
| Part | Material | Colour / plating | Datasheet says | Page |
|---|---|---|---|---|
| contacts | tin | • Matte tin lead-free Plated • Halogen free and RoHS | 1 |
CAD (KiCad official)
- Symbol:
1.5SMB36A - Footprint:
Diode_SMD:D_SMB - 3D model: DO-214AA(SMBJ) (KiCad packages3D, STEP)
- 3D model files:
1-5smb36a-etched.step/1-5smb36a-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);1-5smb36a.step/1-5smb36a.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Littelfuse datasheet (6 pp, sha256
edddb435792266f3, retrieved 2026-10-22, tier: lcsc) - Extractor: parts-factory
2.0.0/extract_pins 0.3, primaryclaude-sonnet-5-5(text), consensusclaude-sonnet-5-5(agreed), guards: pin_guards 0.1: passed. Pins are checked against the footprint pad set and their cited datasheet pages before publish. - CAD: KiCad official libraries (CC-BY-SA 4.0).