Wide terminal flat chip resistors KOA WK73R2HTTE222J with thick film ceramic substrate and EU RoHS compliance
Price:
Negotiable
MOQ:
Negotiable
Delivery Time:
Negotiable
Product Description
Product Overview
The WK73R series are wide terminal type flat chip resistors featuring high reliability and performance. They offer a resistance tolerance of 0.5% and a TCR of 10010-6/K. These resistors are suitable for both reflow and flow solderings and comply with EU-RoHS requirements. They are qualified under AEC-Q200 and are ideal for applications such as power supplies and ECUs in automotive and industrial equipment.
Product Attributes
- Brand: KOA
- Product Type: Flat Chip Resistors (Wide Terminal Type)
- Coating Color: Black
- Certifications: EU-RoHS, AEC-Q200 Qualified
- Materials: Thick Film, Ceramic Substrate, Ni Plating, Sn Plating
Technical Specifications
| Type | Nominal Resistance Range (Ω) | Power Rating | Resistance Tolerance | T.C.R. (×10–6;/K) | Max. Working Voltage | Max. Overload Voltage | Taping & Q'ty/Reel (pcs) |
| WK73R1E | 10–1M | 0.33W*1 | ±0.5% (D), ±1% (F), ±5% (J) | ±100 | 75V | 100V | TP: 10,000 |
| WK73R1J | 10–1M | 0.5W*1 | ±0.5% (D), ±1% (F), ±5% (J) | ±100 | 150V | 200V | TD: 5,000 |
| WK73R2A | 20.5k–1M (D), 22k–1M (F, J) | 0.75W*1 | ±0.5% (D), ±1% (F), ±5% (J) | ±100 | 200V | 400V | TE: 5,000 |
| WK73R2A | 10–20k | 1W*1 | ±0.5% (D), ±1% (F), ±5% (J) | ±100 | |||
| WK73R2B | 10–1M | 0.75W | ±0.5% (D), ±1% (F), ±5% (J) | ±100 | TP, TD, TE: 5,000 | ||
| WK73R2B | 10–9.76k (D, F), 10–9.1k (J) | 1W*1 | ±0.5% (D), ±1% (F), ±5% (J) | ±100 | |||
| WK73R2H | 10–430k | 1W | ±0.5% (D), ±1% (F), ±5% (J) | ±100 | TP, TD, TE: 4,000 | ||
| WK73R2H | 432k–1M (D), 470k–1M (F, J) | 1W | ±0.5% (D), ±1% (F), ±5% (J) | ±200 | |||
| WK73R2J | 10–510k | 1W | ±0.5% (D), ±1% (F), ±5% (J) | ±100 | TP, TD, TE: 4,000 | ||
| WK73R2J | 511k–1M (D), 560k–1M (F, J) | 1W | ±0.5% (D), ±1% (F), ±5% (J) | ±200 | |||
| WK73R3A | 10–330k | 1.5W | ±0.5% (D), ±1% (F), ±5% (J) | ±100 | TP, TD, TE: 4,000 | ||
| WK73R3A | 332k–1M (D), 360k–1M (F, J) | 1.5W | ±0.5% (D), ±1% (F), ±5% (J) | ±200 | |||
| WK73R3A | 10–330k | 2W*1 | ±0.5% (D), ±1% (F), ±5% (J) | ±100 | |||
| WK73R3A | 332k–1M (D), 360k–1M (F, J) | 2W*1 | ±0.5% (D), ±1% (F), ±5% (J) | ±200 |
| Test Items | Performance Requirements | Limit | Typical | Test Methods |
| Resistance | Within specied tolerance | – | – | 25°C |
| T.C.R. | Within specied T.C.R. | – | – | +25°C/−55°C and +25°C/+125°C |
| Overload (Short time) | 2 (1E), 1 (another) | 0.2 | – | Rated voltage×2.5 for 5s (1E), Rated voltage×2.0 for 5s (another) |
| Resistance to soldering heat | 1 | 0.2 | – | 260°C±5°C, 10s±1s |
| Bending test | 1 | 0.1 | – | Holding point 90mm, Bending 1 time. Bending 5mm |
| Rapid change of temperature | 0.5 | 0.3 | – | -55°C (30min.) /+125°C (30min.) 100 cycles |
| Moisture resistance | 3 (1E), 2 (another) | 1 (1E), 0.2 (another) | – | 40°C±2°C, 90%~95%RH, 1000h 1.5h ON/0.5h OFF cycle |
| Endurance at 70°C | 3 (1E), 2 (another) | 1 (1E), 0.2 (another) | – | 70°C±2°C, 1000h 1.5h ON/0.5h OFF cycle |
| High temperature exposure | 1 | 0.2 | – | +155°C, 1000h |
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Company
Beijing Silk Road Enterprise Management Services Co., Ltd.
Location
16 Floor, Unit B, Jiatai International Mansion, No 41, Dongsihuan Zhong Road, Chaoyang District, Beijing
Contact Person
Sellina