Micro Blade Fuses, 2–30A, 32V/58V
TONFUL Micro Blade Fuses feature a compact, low-profile flat-foot design for compatible automotive fuse holders. The ADMINI series offers ten current ratings from 2A to 30A, with 32V/58V catalog voltage options and color-coded nylon housings.
Specify the voltage version, current rating and holder dimensions when ordering.
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Why Choose TONFUL Micro Blade Fuses?
This ADMINI catalog series uses a low-profile, flat-foot form factor. Check the dimensional drawing before selection: the product name alone does not establish compatibility with other micro or mini fuse formats.
Ten Current Ratings
Choose from 2A, 3A, 4A, 5A, 7.5A, 10A, 15A, 20A, 25A and 30A.
Low-Profile Design
A 10.9 mm-wide body suits matching compact automotive fuse holders.
32V / 58V Options
Confirm the voltage rating of the selected part before installation.
1,000A Breaking Capacity
Catalog-listed interrupting capacity; request the test conditions for the ordered version.
Color-Coded Nylon Housing
Housing colors and amperage markings support rating identification.
Bulk Procurement
Request samples, rating assortments and packaging suitable for your order.
Technical Specifications
The following values are transcribed from the supplied TONFUL catalog. Confirm the current specification for your selected part number and voltage version.
| Product type | Micro blade fuse — low-profile flat-foot design |
|---|---|
| Catalog series | ADMINI |
| Current ratings | 2A–30A; ten available ratings |
| Catalog voltage ratings | 32V / 58V |
| Breaking capacity | 1,000A |
| Catalog operating temperature | -40°C to +200°C; confirm the approved limit for the ordered variant |
| Terminal material | Silver-plated zinc alloy |
| Housing material | Nylon |
| Catalog standards references | SAE J1888, ISO 8820 and UL 248 special-purpose fuses |
Standards and the recognition mark shown in the catalog are source references. Request applicable certification documents and scope for the exact product ordered.
Available Ratings, Voltage Drop and Color Codes
Cold resistance values are catalog references with ±20% tolerance. Voltage-drop values are typical; ask for their measurement conditions when evaluating the circuit.
| Catalog number | Current | Voltage | Typical voltage drop | Cold resistance ±20% | Housing color |
|---|---|---|---|---|---|
| ADMINI-2 | 2A | 32V/58V | 205 mV | 39.1 mΩ | Gray |
| ADMINI-3 | 3A | 32V/58V | 190 mV | 32.2 mΩ | Purple |
| ADMINI-4 | 4A | 32V/58V | 187 mV | 24.2 mΩ | Pink |
| ADMINI-5 | 5A | 32V/58V | 149 mV | 17.55 mΩ | Tan |
| ADMINI-7.5 | 7.5A | 32V/58V | 135 mV | 10.85 mΩ | Brown |
| ADMINI-10 | 10A | 32V/58V | 108 mV | 7.82 mΩ | Red |
| ADMINI-15 | 15A | 32V/58V | 98 mV | 5.18 mΩ | Blue |
| ADMINI-20 | 20A | 32V/58V | 96 mV | 3.21 mΩ | Yellow |
| ADMINI-25 | 25A | 32V/58V | 86 mV | 2.26 mΩ | Clear |
| ADMINI-30 | 30A | 32V/58V | 87 mV | 1.85 mΩ | Green |
Micro Blade Fuse Dimensions
| Front-view width | 10.9 ±0.3 mm |
|---|---|
| Top-view width | 10.9 ±0.15 mm |
| Overall height | 8.73 ±0.2 mm |
| Top-view body depth | 3.8 ±0.15 mm |
| Side-view depth | 3.65 ±0.15 mm |
| Contact width | 2.22 ±0.15 mm |
| Contact thickness | 0.80 mm (+0.04 / -0.02) |
Use the original drawing for the remaining dimensions and tolerances.
Catalog Drawing and Curves
Review the original catalog for dimensions, electrical data and time-current curves.
Select the image to open the original catalog sheet.
Time-Current Opening Characteristics
| Current (% of rating) | Minimum opening time | Maximum opening time |
|---|---|---|
| 110% | 4 hours | Not specified |
| 135% | 0.75 seconds | 10 minutes |
| 200% | 0.15 seconds | 5 seconds |
| 350% | 0.080 seconds | 0.250 seconds |
| 600% | 0.030 seconds | 0.100 seconds |
Opening-time limits are from the supplied catalog. Confirm testing conditions and coordinate the fuse with the wiring and load.
Common Applications
Automotive Fuse Panels
Compact panels designed for the specified low-profile fuse footprint.
Vehicle Accessory Circuits
Compatible circuits selected according to load, wiring and rated voltage.
Replacement Stock
Rating assortments for workshops following vehicle service specifications.
OEM Assembly
Sample and bulk procurement for compatible fuse-holder designs.
How to Replace a Micro Blade Fuse
- Isolate power. Follow the vehicle service instructions.
- Find the fault. Identify why the fuse opened before replacement.
- Match the specification. Check the exact footprint, amperage and voltage rating.
- Inspect the holder. Look for corrosion, loose contacts or heat damage.
- Install and test. Seat the correct fuse and verify normal operation.
Information for an RFQ
- ADMINI part numbers and quantities per rating
- Required 32V or 58V version
- Holder drawing or sample requirements
- Operating conditions and required compliance documents
- Packaging, labeling and delivery destination
Micro Blade Fuse Frequently Asked Questions
Which amperage ratings are available?
The catalog lists 2A, 3A, 4A, 5A, 7.5A, 10A, 15A, 20A, 25A and 30A.
Is this fuse interchangeable with all micro fuses?
No. This product uses the catalog’s low-profile flat-foot design. Check dimensions and holder specifications rather than relying on the micro name.
What does 32V/58V mean?
The catalog lists these voltage ratings. Specify your required version and confirm the marking and datasheet for the ordered product.
What materials are used?
The supplied catalog lists a nylon housing and silver-plated zinc-alloy terminals.
Are certification documents available?
Request documents for the selected part number. The catalog references SAE J1888, ISO 8820 and UL 248; applicability must be verified for the ordered version.
Can I request samples or rating assortments?
Send TONFUL your current-rating mix, voltage requirement, quantities and packaging needs for a quotation.
Source Micro Blade Fuses from TONFUL
Send your fuse-holder requirements, current ratings, voltage version and order quantity to receive a product quotation.