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Specifications
Type:
Wirewound Resistor
Resistance:
4.7Ω
Voltage-Supply(Max):
-
Power(Watts):
1W
Temperature Coefficient:
±350ppm/℃
Tolerance:
±5%
Mfr. Part #:
RXF-1WS-4.7R-J-T52
Package:
Through Hole,D4xL10mm
Key Attributes
Model Number:
RXF-1WS-4.7R-J-T52
Product Description
RXF Series Fuses
The RXF Series fuses are designed for excellent surge resistance and high fusing consistency. Their compact size facilitates easy installation, ensuring safety and reliability in various electronic equipment. These fuses are widely utilized in applications such as light sources, switching power supplies, chargers, and home appliances.
Product Attributes
- Brand: HONGDA
- Origin: Dongguan, China
- Certifications: VDE, UL/CUL (E359590), CQC (0.5W-CQC13001095211, 1W-CQC13001095213, 2W-CQC13001095221)
Technical Specifications
Dimensions and Lead Lengths
| Model | Rated Power (W) | Dimensions (mm) Dmax. x Lmax. | Lead Allowable Length* (mm) H1 | d0.05 |
|---|---|---|---|---|
| RXF 0.25, 0.5S, 1WX | 3.0 | 7.0 | 6070 | 0.380.45 |
| 0.5, 1S, 2WX | 4.0 | 10.0 | 6090 | 0.430.60 |
| 1, 2S, 3WX | 5.0 | 12.0 | 6070 | 0.540.72 |
| 2, 3S | 6.0 | 16.0 | 6080 | 0.600.72 |
Electrical Characteristics
| Model | Rated Power (W) | Resistance Range () | Resistance Tolerance (%) | Withstand Voltage (V) (DC or AC Peak) | Component Limit Voltage (V) |
|---|---|---|---|---|---|
| RXF 0.25, 0.5S, 1X | 0.22-300 | 5, 10 | 250 | 200 | |
| 0.5, 1S, 2X | 250 | 350 | |||
| 1, 2S, 3X | 350 | 350 | |||
| 2, 3S | 0.22-47 | 500 | 350 |
General Data
- Nominal Resistance Tolerance: 5%, 10%
- Climatic Category: 55/155/21
- Low Air Pressure: 8.5kpa
- Stability Grade: 5%
- Resistance Change Limit:
- Long-term Test: (5%R+0.1)
- Short-term Test: (1%R+0.05) - Temperature Coefficient:
- Standard Type: 350 ppm
- Semi-fuse, Explosion-proof, High Surge Type: 35001500 ppm - Rated Current: I(A) = P(W)/R()
- Derating Curve: Rated power is the maximum continuous operating power at 70. Power derating is required above 70 according to the curve.
- Fusing Characteristics: Defined as significant increase in resistance when subjected to specified overload, causing current to drop below 1/50 of initial test current. Fusing time is the duration from overload application to fusing.
Fusing Time Requirements (Standard Type & High Surge Type)
| Rated Current Multiplier (times) | Fusing Time (S) |
|---|---|
| 0.25W R1 | 6 |
| 0.25W R1 | 7 |
| 30 | |
| 0.52W R1 | 6 |
| 0.52W R1 | 6 |
| 30 | |
| 122 | 100 |
| 58.5 | - |
| 55 | 25 |
| 70 | 155 |
| 275 |
Note: Fusing time can be customized according to user requirements.
Anti-Shock Performance
After repeatedly switching K1 on/off 100 times (2S on, 2S off), the test resistor should not be open-circuited.
Note: 1. Capacitor C selection based on customer requirements; default C=10uF if not specified. 2. Resistor R value selected based on usage circuit, converted to internal resistance. Resistor power rating is 20W, power factor 0.8. For resistors under 10W, generally use 20W, 5.1K(5%).
Main Test Items, Methods, and Performance Requirements
| No. | Test Item | Test Method | Performance Requirement |
|---|---|---|---|
| 1 | Resistance | Measured by resistance error sorter. | Resistance value within nominal resistance and allowable tolerance. |
| 2 | Short-time Overload | Apply 2.5 times rated voltage for 5S, recover for 1-2h, measure resistance, calculate resistance change rate. | Resistance change: R(2%R+0.05) |
| 3 | Solderability | Dip lead in solder pot (2605) for 20.5S, depth 2+0/-0.5mm from body. Observe solder coverage. | Over 90% coverage on circumferential surface of dipped part. |
| 4 | Withstand Voltage | Place resistor in metal "V" groove, apply specified insulation voltage between leads and groove for 60S. | No visible damage, clear marking; no breakdown, arcing. |
| 5 | Resistance to Soldering Heat | Dip lead in solder pot (35010) for 3.50.5S, depth 2+0/-0.5mm from body. Recover for 1h, measure resistance, calculate change rate. | Resistance change: R(1%R+0.05) |
| 6 | Rapid Temperature Change | Cycles: Low temp (-553) for 30min, normal temp 2-3min, high temp (1553) for 30min, normal temp 2-3min. Repeat 5 cycles. Recover 1-2h, measure resistance, calculate change rate. | Resistance change: R(1%R+0.05) |
| 7 | Endurance | Place in constant temperature oven (703), apply rated DC voltage, 1.5h on, 0.5h off, cycle 1000h. Recover 1-4h, measure resistance, calculate change rate. | Resistance change: R(5%R+0.1) |
| 8 | Lead Strength | Tensile: 10N for 10S. Bending: 5N load, bend body ~90 in 2-3S, repeat in opposite direction (2 bends total). | Resistance change: R(1%R+0.05) |
| 9 | Vibration | Resistor body to mounting point 61mm. Frequency range 10-500Hz, amplitude 0.75mm or acceleration 98m/s (whichever is smaller). Directions Z, X, Y axes for 2h each. Cycle 1min (10-55-10Hz). Measure resistance after test, calculate change rate. | 1) Appearance: No mechanical damage. 2) Resistance change: R(1%R+0.05) |
| 10 | Climatic Sequence | Dry heat, cyclic damp heat (Db), cold, low pressure, cyclic damp heat (Db), DC load. | Resistance change: R(5%R+0.1) Insulation Resistance: 100M |
| 11 | Accidental Overload | Install sample in single-layer wire mesh cylinder (253mm from body). Apply 5, 10, 16 times rated power overload for 5min or until open circuit. | Wire mesh cylinder does not ignite. |
Taping Style and Dimensions
| Taping Specification | Dimensions (mm) U x W | P (mm) | L1-L2 (mm) | T (mm) | Z (mm) | R (mm) | t (mm) | S (mm) | T2 (mm) |
|---|---|---|---|---|---|---|---|---|---|
| T26 | 381 x 260.5 | 50.5 | 0.5 | 60.1 | 1 | 0 | 3.2 | 1.5 | |
| T52 | 642 x 521 | 1 | |||||||
| T63 | 752 x 631 | 100.5 | 1.2 | ||||||
| T72 | 842 x 722 | 50.5 | 1.2 |
Sleeve Product Style and Dimensions
| Shape | Dimensions (mm) H1 | H11.5 | H21.5 | hh (15%) | h12 | h22 |
|---|---|---|---|---|---|---|
| TA Type | 70 | 20 | 20 | 50 | 10 | 10 |
| TB Type | 80 | 5 | 25 | 40 | 10 | 30 |
Note: 1. Exposed lead length 5mm, tolerance is +2/-1mm. 2. Sleeve dimensions can be customized according to customer requirements.
Molded Style and Dimensions
| Shape | Dimensions (mm) P1.0 | H1 | h0.5 |
|---|---|---|---|
| n Type | 5 | 3.5 | 8 |
| B Type | 5 | 3.5 | 8 |
| L Type | 12.5 | 4.5 | 14.5 |
Note: Molded shape and dimensions can be customized according to customer requirements.
Model Specification Name Explanation (Example)
RXF 1W S 10 J
- Rated Power: 0.25w, 0.5w, 1w, 2w, 3w
- Resistance Tolerance: J (5%), K (10%), M (20%)
- Nominal Resistance: E24 Series (See color code diagram below)
- Model: RXF
- Lead Type: S: Miniaturized, X: Ultra-miniaturized
Color Code Markings
| Color | 1st Digit | 2nd Digit | 3rd Digit | Multiplier | Tolerance |
|---|---|---|---|---|---|
| Black | 0 | 0 | 0 | 10 | |
| Brown | 1 | 1 | 1 | 10 | 1% |
| Red | 2 | 2 | 2 | 10 | 2% |
| Orange | 3 | 3 | 3 | 10 | |
| Yellow | 4 | 4 | 4 | 10 | |
| Green | 5 | 5 | 5 | 10 | 0.5% |
| Blue | 6 | 6 | 6 | 10 | 0.25% |
| Violet | 7 | 7 | 7 | 10 | 0.1% |
| Gray | 8 | 8 | 8 | 10 | |
| White | 9 | 9 | 9 | 10 | |
| Gold | 10 | 5% | |||
| Silver | 10 | 10% | |||
| Plain | 20% |
Packaging Method
- Inner Box Packaging: Taped 1K/box
- Outer Box Packaging: (Details not provided)
2304140030_Hongda-RXF-1WS-4-7R-J-T52_C2149608.pdf
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