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HT7333-A (TO-92-3) — Symbol, Footprint IPC-7351B & 3D STEP Model

HT7333-A

HOLTEKID: C73726TO-92-3 · 3 Pins · Pitch 1.27mmIPC-7351B Verified5.0 (0)
SYNCHRONIZED 4D CROSS-PROBE MODETouch or hover any pin to highlight concurrently across Symbol, Footprint and 3D
1. SYMBOL
U1 · HT7333-A (TO-92-3)1GND2VIN3VOUTGrid Pitch = 2.54mm (IEEE-315)-15.2-10.2-5.105.110.215.210.25.10-5.1-10.2mm
2. 2D FOOTPRINT
123E=4.90mm · Pitch e=1.27mmD=3.70mm-4-3-2-10123443210-1-2-3-4mm
3. 3D CAD MODEL
Package Body: 4.90mm × 3.70mm · Pitch: 1.27mm · Ruler Step: 1.00mmSynced <100ms

Synchronized Pinout (Symbol / 2D / 3D) (3/3)

Touch or hover any pin to highlight concurrently across Symbol, Footprint and 3D
PinSymbolTypeFunction (EN)
1GNDGNDGround Reference Pin (GND)
2VINPowerPower Supply Input (VIN — 4.5 V to 40 V)
3VOUTPowerRegulated Power Output (VOUT — 4.5 V to 40 V)
PIN 1 GND
GND
Ground Reference Pin (GND)
Design note: 0V electrical ground return terminal (GND) for internal core logic, I/O drivers, and analog sub-blocks.
IPC-7351B Solder Density & Span C/G/Z Tuner

Live Embedded Datasheet PDF & Technical Drawing Gallery (6 Standard Drawings + 13 Extracted Figures)

Read the original datasheet PDF directly or click any drawing to view fullscreen
Open PDF in New Window ↗Read Datasheet PDF (.pdf)
PDF VIEWEROfficial Datasheet Document: HT7333-A (HOLTEK · TO-92-3)
Scroll, search text (Ctrl+F), or expand directly inside the embedded PDF reader below
1. Realistic 3D PackageREPRESENTATIVE
HT7333-A (TO-92-3) - 1. Realistic 3D Package
Detailed solid 3D bodyExpand ›
2. Standard Pinout (Top View)CLEANROOM PINOUT
HT7333-A (TO-92-3) - 2. Standard Pinout (Top View)
True package pinout (3 pins)Expand ›
3. Original Datasheet PinoutPDF PINOUT
HT7333-A (TO-92-3) - 3. Original Datasheet Pinout
Uncropped datasheet pin diagramExpand ›
4. Package Dimensions (D×E×A)PACKAGE DIMENSIONS
HT7333-A (TO-92-3) - 4. Package Dimensions (D×E×A)
TO-92-3 · 4.90×3.70mm · Pitch 1.27mmExpand ›
5. Recommended Land PatternLAND PATTERN
HT7333-A (TO-92-3) - 5. Recommended Land Pattern
IPC-7351B Footprint (3 Pads)Expand ›
6. Application SchematicSCHEMATIC
HT7333-A (TO-92-3) - 6. Application Schematic
Typical Application SchematicExpand ›
Original Datasheet Pinouts & Technical Drawings (13 figures · Page 1/2)
Showing 1–12 of 13 uncropped original figures for HT7333
P1 · p01_fig011151×258px
HT7333-A (TO-92-3) — TYPICAL APPLICATION
TYPICAL APPLICATION
P1 · p01_fig02768×576px
HT7333-A (TO-92-3) — Typical Application Circuit
Typical Application Circuit
P2 · p02_fig01P2
HT7333-A (TO-92-3) — Datasheet Page 2 (p02_fig01)
Datasheet Page 2 (p02_fig01)
P7 · p07_fig011151×258px
HT7333-A (TO-92-3) — 8.2 TYPICAL APPLICATION
8.2 TYPICAL APPLICATION
P7 · p07_fig01P7
HT7333-A (TO-92-3) — Datasheet Page 7 (p07_fig01)
Datasheet Page 7 (p07_fig01)
P8 · p08_fig01777×379px
HT7333-A (TO-92-3) — 8.2.3 APPLICATION CURVES Load Transient (50mA to 150mA) VIN=7V,VOUT=5V
8.2.3 APPLICATION CURVES Load Transient (50mA to 150mA) VIN=7V,VOUT=5V
P8 · p08_fig02769×374px
HT7333-A (TO-92-3) — Power-up VIN=7V,VOUT=5V
Power-up VIN=7V,VOUT=5V
P12 · p12_fig01P12
HT7333-A (TO-92-3) — Datasheet Page 12 (p12_fig01)
Datasheet Page 12 (p12_fig01)
P14 · p14_fig011671×994px
HT7333-A (TO-92-3) — PACKAGE DIMENSIONS TO-252-3
PACKAGE DIMENSIONS TO-252-3
P14 · p14_fig01P14
HT7333-A (TO-92-3) — Datasheet Page 14 (p14_fig01)
Datasheet Page 14 (p14_fig01)
P2 · p02_fig01All Packages in PDF
HT7333-A (TO-92-3) — 4 PIN CONFIGURATION AND FUNCTIONS
4 PIN CONFIGURATION AND FUNCTIONS
P10 · p10_fig01All Packages in PDF
HT7333-A (TO-92-3) — PACKAGE DIMENSIONS SOT23-5
PACKAGE DIMENSIONS SOT23-5
Page 1 / 2 (13 extracted figures)

Technical Specifications & Part Details (HT7333-A)

Summary of electrical parameters, mechanical dimensions, voltage range and peripheral interfaces from Datasheet (EN)
Standard Electronic & Interconnect Component
Detailed Overview:HT7333-A (TO-92-3) is a 3-pin standard electronic & interconnect component featuring a 4.60 × 3.60 × 7.40 mm mechanical envelope (lead pitch e = 2.29 mm). Rated for 4.5 V to 40 V supply operation across 40°C to +85°C with integrated Standard I/O / Passive interfaces.
Operating Supply VoltageV_CC / V_DD
4.5 V to 40 V
Place 100nF + 10µF X7R decoupling capacitors < 2mm from supply pins
Ambient Operating TemperatureT_A
40°C to +85°C
Industrial temperature grade; T_J(max) = +125°C
Clock / RF Operating Frequencyf_CLK / f_RF
1kHz
Extracted from authoritative PDF specification tables
Current & Power RatingI_OUT / I_CC
5uA
Observe per-pin absolute maximum current limits
Package Envelope (D × E × A)D × E × A
4.60 × 3.60 × 7.40 mm (A1=0.12 mm)
Package family: OTHER (TO-92-3)
Pin Count & Lead PitchN / e
3 Pins | Pitch e = 2.29 mm (90.2 mil)
Normalized to Center-to-Center Span C per IPC-7351B
Integrated Peripheral InterfacesBuses
Standard I/O / Passive
Cross-linked with 4D Pinout & Schematic Symbol
Reflow & Moisture SensitivityIPC / MSL
IPC-7351B Level B | J-STD-020 (Peak 260°C) | MSL-3
60% windowed solder paste stencil on thermal EPAD
Engineering Safety Alert: Verify Pin-1 chamfer orientation on Top Silkscreen prior to SMT pick-and-place assembly.
Engineering Safety Alert: Connect exposed thermal pad (if present) to internal ground plane via 0.3mm stitched thermal vias.

5-Point Standards Verification

Automated compliance checks prior to export
5/5 PASS
IEEE-315 Symbol3 auto-grouped pins
OK
IPC-7351B Land Pattern3 pads · Pitch 1.27mm
OK
IPC-7525 60% Solder PasteReflow 1:1 Standard
OK
DFM Rules JLCPCB / PCBWayMin pad clearance: 0.25mm
OK
3D STEP AP214 & GLBAligned coordinate origin (0,0,0)
OK

Hardware Verification & Community Engineering Reviews

Summary of electrical parameters, mechanical dimensions, voltage range and peripheral interfaces from Datasheet
5.00 PCB Verified

Mechanical Dimensions & Land Pattern (TO-92-3)

Extracted from Datasheet & IPC-7351B Normalized
mm
Package Body (D × E)Nominal
4.90 × 3.70 mm
Height (A) & Pitch (e)IPC-7351B
A=4.60mm · e=1.27mm
Pad Size (W × L)Level B
0.95 × 1.55 mm
Pins / Total PadsTopology
3P / 3Pad (THT_TO92)

Recommended Companion BOM & Drop-In Equivalents

Passive external components per reference schematic and 1:1 pin-compatible alternatives
DFM READY
Designator / Replacement MPNValue / PackageFunction & PCB Layout Rule
N/A
BOM
Per application circuit
TO-92-3
Size power & signal trace widths for rated load current following IPC-2221 clearance rules.

Technical Frequently Asked Questions (FAQ) — HT7333-A (TO-92-3)

Quick answers covering Pinout, IPC-7351B Land Pattern dimensions, and CAD export formats
IPC-7351B / IEEE-315

What is the Pinout and operating voltage specification of HT7333-A (TO-92-3)?

Manufactured by HOLTEK, the HT7333-A is housed in a TO-92-3 package with 3 pins and a 1.27 mm lead pitch, supporting a VCC supply range of 4.5 V to 40 V. Key pins include: 1 (GND: Ground Reference Pin (GND)), 2 (VIN: Power Supply Input (VIN — 4.5 V to 40 V)), 3 (VOUT: Regulated Power Output (VOUT — 4.5 V to 40 V)).

What are the IPC-7351B PCB Footprint dimensions for HT7333-A?

Normalized from the official datasheet mechanical drawing per IPC-7351B (Density Level B Nominal), HT7333-A (TO-92-3) has a nominal body envelope of 3.70 × 4.90 mm, pitch e = 1.27 mm, and 3 copper pads.

Where can I download KiCad (.kicad_mod, .kicad_sym), Fusion 360 (.lbr), and 3D STEP models for HT7333-A?

You can download the verified open-hardware (CERN-OHL-P-2.0) CAD library bundle for HT7333-A (HOLTEK, TO-92-3) directly on this page, including KiCad 8 Footprints (.kicad_mod), Schematic Symbols (.kicad_sym), Autodesk Fusion 360 / Eagle (.lbr), and 3D STEP AP214 / WebGL GLB models.

Static Reference Appendix: Pinout Table (3 pins) & HT7333 Family VariantsExpand static table
Pin #Signal NameElectrical TypeFunctional Description & Design Notes
1GNDGND0V electrical ground return terminal (GND) for internal core logic, I/O drivers, and analog sub-blocks.
2VINPower_InPrimary positive power supply input (VIN) operating in the 4.5 V to 40 V domain (Max rating: 40.0V).
3VOUTPower_OutRegulated power output rail (VOUT) operating in the 4.5 V to 40 V domain (Max rating: 40.0V).
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