Product Overview
The RXF series from DONGGUAN HONGDA ELECTRONIC TECHNOLOGY CO.,LTD are high-performance resistors designed for electronic equipment. They offer excellent surge resistance, good fusing consistency, and a compact size for easy installation, ensuring safety and reliability. These resistors are widely used in electronic devices such as light sources, switching power supplies, chargers, and home appliances. Key certifications include VDE, UL/CUL, and CQC.
Product Attributes
- Brand: HONGDA (RXF Series)
- Origin: Dongguan, China
- Certifications: VDE, UL/CUL (E359590), CQC (0.5W-CQC13001095211, 1W-CQC13001095213, 2W-CQC13001095221)
Technical Specifications
| Model | Rated Power (W) | Dimensions (mm) Dmax. | Dimensions (mm) Lmax. | Lead Allowable Length* (mm) | Dimensions (mm) H1 | Dimensions (mm) d0.05 |
|---|---|---|---|---|---|---|
| RXF 0.25, 0.5S, 1WX | 3.0 | 7.0 | 6070 | 0.380.45 | 1 | |
| 0.5, 1S, 2WX | 4.0 | 10.0 | 6090 | 0.430.60 | 1.5 | |
| 1, 2S, 3WX | 5.0 | 12.0 | 6070 | 0.540.72 | ||
| 2, 3S | 6.0 | 16.0 | 6080 | 0.600.72 |
| Model | Rated Power (W) | Resistance Range () | Resistance Tolerance (%) | Insulation 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 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:
- General type: 350 ppm
- Semi-fusing type, explosion-proof type, high lightning 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 the initial test current. Fusing time is the time from applying overload to fusing.
- Requirements: Fusing time must comply with the table under specified rated current multiples overload conditions. - Impact Resistance: Tested by repeatedly switching on and off a switch for 100 cycles (2S on, 2S off). The resistor should not become open-circuited.
Main Test Items, Test Methods, and Performance Requirements
| No. | Test Item | Test Method | Performance Requirements |
|---|---|---|---|
| 1 | Resistance | Measured by resistance error sorter. | Resistance value within nominal resistance and allowable tolerance range. |
| 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 into solder pot (2605) for 20.5S at a depth of 2+0/-0.5mm from the body. Observe solder coverage. | Above 90% circumferential coverage on the immersed part. |
| 4 | Dielectric Strength | 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 | Measure resistance before test. Dip lead into solder pot (35010) for 3.50.5S at a depth of 2+0/-0.5mm from the body. Recover for 1h, measure resistance, calculate change rate. | Resistance Change: R(1%R+0.05) |
| 6 | Rapid Temperature Change | Cycle: Low temp (-553) for 30 min, room temp 2-3 min, high temp (1553) for 30 min, room temp 2-3 min. Repeat 5 cycles. Recover 1-2h, measure resistance, calculate change rate. | Resistance Change: R(1%R+0.05) |
| 7 | Endurance | Place resistor in constant temperature oven (703). Apply rated DC voltage, 1.5h on, 0.5h off, cycle for 1000h. Recover 1-4h, measure resistance, calculate change rate. | Resistance Change: R(5%R+0.1) |
| 8 | Lead Strength | Tensile: 10N for 10S. Bending: Apply 5N load, tilt body approx. 90 in 2-3S, recover, bend in opposite direction (2 bends total). | Resistance Change: R(1%R+0.05) |
| 9 | Vibration | Resistor body 61mm from mounting point. Vibration frequency 10-500Hz, amplitude 0.75mm or acceleration 98m/s (whichever is smaller). Directions Z, X, Y axes for 2h each, total 6h. Cycle 1min (10-55-10Hz). Measure resistance, calculate change rate. | 1) Appearance: No mechanical damage. 2) Resistance Change: R(1%R+0.05) |
| 10 | Climatic Sequence | Dry heat, cyclic damp heat (test Db, 1st cycle), cold, low pressure, cyclic damp heat (test Db, remaining cycles), 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 | Dimensions (mm) W | Dimensions (mm) P | Dimensions (mm) L1-L2 | Dimensions (mm) T | Dimensions (mm) Z | Dimensions (mm) R | Dimensions (mm) t | Dimensions (mm) T2 |
|---|---|---|---|---|---|---|---|---|---|
| T26 | 381 | 260.5 | 50.5 | 0.5 | 60.1 | 1 | 0 | 3.2 | 1.5 |
| T52 | 642 | 521 | 1 | ||||||
| T63 | 752 | 631 | 1.2 | 752 | 631 | 100.5 | |||
| T72 | 842 | 722 | 50.5 | 1.2 | 842 | 722 | 100.5 |
Sleeve Product Style and Dimensions
| Shape | Dimensions (mm) H1 | Dimensions (mm) H11.5 | Dimensions (mm) H21.5 | h | Dimensions (mm) h (15%) | Dimensions (mm) h12 | Dimensions (mm) h22 |
|---|---|---|---|---|---|---|---|
| TA Type | 70 | 20 | 20 | 50 | 10 | 10 | |
| TB Type | 80 | 5 | 25 | 40 | 10 | 30 |
Note: Exposed lead length 5mm, tolerance is +2/-1 mm. Sleeve dimensions can be customized.
Molded Style and Dimensions
| Shape | Dimensions (mm) P1.0 | Dimensions (mm) H1 | Dimensions (mm) 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.
Model Specification Name Explanation (Example)
RXF 1W S 10 J
| Category | Description |
|---|---|
| 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) |
| Model | RXF |
| Wire Winding | S: Miniaturized, X: Ultra-miniaturized |
| Color Code | (See diagram for First digit, Second digit, Third digit, Multiplier, Tolerance) |
Packaging Method
- Inner Box Packaging: Taped 1K/box
- Outer Box Packaging: (Details not provided)
2304140030_Hongda-RXF-2W-2-2R-J-T52_C2149627.pdf
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