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RC3216F394CS 390kΩ ±1% 1/4W 1206 Chip Resistor Equivalent & Substitute Parts
Part Overview
The RC3216F394CS is a thick film chip resistor manufactured by Samsung Electro-Mechanics, rated at 390 kΩ with ±1% tolerance and 0.25W power dissipation in a 1206 (3216 Metric) surface mount package. This component is classified as Active product status with moisture resistant characteristics and ROHS3 compliance. Equivalent and substitute parts are identified based on matching electrical specifications, mechanical dimensions, and environmental ratings to ensure direct functional interchangeability in circuit applications.
Substiute Parts
Key Parameters
| Parameter | Value | Unit |
|---|---|---|
| Resistance | 390 | kΩ |
| Tolerance | ±1 | % |
| Power Rating | 0.25 | W (1/4W) |
| Package / Case | 1206 (3216 Metric) | — |
| Composition | Thick Film | — |
| Temperature Coefficient | ±100 | ppm/°C |
| Operating Temperature Range | -55 to +155 | °C |
| Moisture Sensitivity Level | 1 (Unlimited) | — |
| RoHS Status | ROHS3 Compliant | — |
| Number of Terminations | 2 | — |
Substitute Part Grouping Explanation
Substitution eligibility for the RC3216F394CS is determined by the following mandatory parameters:
Primary Matching Criteria:
- Resistance value: 390 kΩ
- Tolerance: ±1%
- Power rating: 0.25W (1/4W)
- Package: 1206 (3216 Metric)
- Composition: Thick Film
- Temperature coefficient: ±100 ppm/°C
- Operating temperature range: -55°C to +155°C
- Moisture Sensitivity Level: 1 (Unlimited)
- RoHS compliance: ROHS3 Compliant
Secondary Compatibility Factors:
- Physical dimensions (length, width, height) within standard 1206 tolerances
- Number of terminations: 2
- REACH compliance status
- Packaging format (Tape & Reel preferred for production use)
Substitute parts are classified into two categories:
Direct Equivalents: Parts meeting all primary matching criteria with identical electrical and environmental specifications.
Similar Parts: Components meeting all primary matching criteria but with additional features (automotive AEC-Q200 qualification, pulse withstanding capability, high voltage rating) or alternative packaging formats that do not compromise functional interchangeability.
Parameter Comparison
| Manufacturer Part Number | Manufacturer | Resistance (kΩ) | Tolerance (%) | Power (W) | Package | Temp Coeff (ppm/°C) | Op Temp (°C) | Features | Product Status | RoHS | MSL |
|---|---|---|---|---|---|---|---|---|---|---|---|
| RC3216F394CS | Samsung Electro-Mechanics | 390 | ±1 | 0.25 | 1206 | ±100 | -55 to +155 | Moisture Resistant | Active | ROHS3 | 1 |
| CR1206-FX-3903ELF | Bourns Inc. | 390 | ±1 | 0.25 | 1206 | ±100 | -55 to +155 | Moisture Resistant | Active | ROHS3 | 1 |
| CRG1206F390K | TE Connectivity Passive Product | 390 | ±1 | 0.25 | 1206 | ±100 | -55 to +155 | — | Active | ROHS3 | 1 |
| ERJ-8ENF3903V | Panasonic Electronic Components | 390 | ±1 | 0.25 | 1206 | ±100 | -55 to +155 | Automotive AEC-Q200 | Not For New Designs | ROHS3 | 1 |
| RC1206FR-07390KL | YAGEO | 390 | ±1 | 0.25 | 1206 | ±100 | -55 to +155 | Moisture Resistant | Active | ROHS3 | 1 |
| RMCF1206FT390K | Stackpole Electronics Inc | 390 | ±1 | 0.25 | 1206 | ±100 | -55 to +155 | Automotive AEC-Q200 | Active | ROHS3 | 1 |
| AC1206FR-07390KL | YAGEO | 390 | ±1 | 0.25 | 1206 | ±100 | -55 to +155 | Automotive AEC-Q200, Moisture Resistant | Active | ROHS3 | 1 |
| CRCW1206390KFKEA | Vishay Dale | 390 | ±1 | 0.25 | 1206 | ±100 | -55 to +155 | Automotive AEC-Q200 | Active | ROHS3 | 1 |
| CRCW1206390KFKEAHP | Vishay Dale | 390 | ±1 | 0.75 | 1206 | ±100 | -55 to +155 | Automotive AEC-Q200, Pulse Withstanding | Active | ROHS3 | 1 |
| KTR18EZPF3903 | Rohm Semiconductor | 390 | ±1 | 0.25 | 1206 | ±100 | -55 to +155 | Automotive AEC-Q200, High Voltage | Active | ROHS3 | 1 |
| MCR18ERTF3903 | Rohm Semiconductor | 390 | ±1 | 0.25 | 1206 | ±100 | -55 to +155 | — | Discontinued at DiGi Electronics | ROHS3 | 1 |
Engineering Selection Recommendations
For Standard Industrial Applications:
CR1206-FX-3903ELF (Bourns Inc.) and RC1206FR-07390KL (YAGEO) are recommended as primary substitutes. Both components maintain Active product status, feature moisture resistant characteristics matching the original RC3216F394CS, and provide equivalent electrical performance with ROHS3 compliance and MSL 1 rating.
For Automotive Applications:
RMCF1206FT390K (Stackpole Electronics Inc), AC1206FR-07390KL (YAGEO), CRCW1206390KFKEA (Vishay Dale), and KTR18EZPF3903 (Rohm Semiconductor) are qualified substitutes. These parts carry AEC-Q200 automotive qualification and maintain Active product status, making them suitable for automotive-grade circuit designs requiring enhanced reliability standards.
For High-Power or Pulse-Sensitive Circuits:
CRCW1206390KFKEAHP (Vishay Dale) provides increased power dissipation capability at 0.75W with pulse withstanding features, while maintaining the 1206 package footprint. This part is suitable for applications requiring higher transient energy absorption than the standard 0.25W rating.
Parts to Avoid for New Designs:
ERJ-8ENF3903V (Panasonic Electronic Components) carries "Not For New Designs" status and MCR18ERTF3903 (Rohm Semiconductor) is discontinued at DiGi Electronics. These components should not be selected for new circuit development.
For General Substitution Without Application-Specific Requirements:
CRG1206F390K (TE Connectivity Passive Product) provides direct electrical equivalence with Active status, though specific feature documentation is limited.
Frequently Asked Questions (FAQ)
Q: Can CRCW1206390KFKEAHP (0.75W) be used as a direct substitute for RC3216F394CS (0.25W)?
A: Yes, CRCW1206390KFKEAHP is functionally compatible. The higher power rating (0.75W vs. 0.25W) does not create incompatibility; it provides additional thermal margin. The component occupies the same 1206 package footprint and maintains identical electrical specifications (390 kΩ, ±1%, ±100 ppm/°C, -55°C to +155°C). Use this part when circuit design requires higher pulse withstanding capability or thermal headroom.
Q: What is the difference between "Direct Equivalents" and "Similar Parts" in this list?
A: Direct equivalents (CR1206-FX-3903ELF, CRG1206F390K, RC1206FR-07390KL) match all electrical and environmental specifications without additional features. Similar parts (RMCF1206FT390K, AC1206FR-07390KL, CRCW1206390KFKEA, KTR18EZPF3903) include automotive AEC-Q200 qualification or enhanced capabilities. Both categories are electrically interchangeable; selection depends on application requirements and compliance mandates.
Q: Are all substitute parts available in Tape & Reel packaging?
A: Most substitute parts are supplied in Tape & Reel (TR) format suitable for automated assembly. MCR18ERTF3903 is available in Cut Tape (CT) & Digi-Reel® format. Verify packaging availability with your supplier before design finalization.
Q: Does moisture resistance matter for my application?
A: Moisture resistance is specified for RC3216F394CS, CR1206-FX-3903ELF, RC1206FR-07390KL, and AC1206FR-07390KL. For applications in high-humidity environments or with extended storage requirements, these parts are preferred. CRG1206F390K, RMCF1206FT390K, CRCW1206390KFKEA, KTR18EZPF3903, and MCR18ERTF3903 do not specify moisture resistance features but maintain MSL 1 (Unlimited) rating, indicating no moisture sensitivity restrictions.
Q: Can I use automotive-qualified parts (AEC-Q200) in non-automotive circuits?
A: Yes. Automotive-qualified parts (RMCF1206FT390K, AC1206FR-07390KL, CRCW1206390KFKEA, KTR18EZPF3903) meet or exceed industrial specifications and are fully compatible with standard industrial applications. AEC-Q200 qualification represents enhanced reliability testing and is not restrictive for non-automotive use.
Q: What is the significance of "Not For New Designs" status on ERJ-8ENF3903V?
A: This designation indicates the manufacturer has discontinued active development and recommends against use in new circuit designs. While the part may remain available in inventory, long-term supply cannot be guaranteed. For new designs, select from parts with Active status: CR1206-FX-3903ELF, CRG1206F390K, RC1206FR-07390KL, RMCF1206FT390K, AC1206FR-07390KL, CRCW1206390KFKEA, CRCW1206390KFKEAHP, KTR18EZPF3903.
Q: Are there dimensional differences between substitute parts that affect PCB layout?
A: All parts conform to the 1206 (3216 Metric) package standard with nominal dimensions of 3.20mm length × 1.60mm width. Height variations range from 0.60mm to 0.75mm (seated maximum). These variations fall within standard PCB assembly tolerances and do not require layout modifications. Verify specific height requirements if clearance constraints exist in your design.
Q: Which substitute offers the best long-term supply availability?
A: RC1206FR-07390KL (YAGEO) shows the highest inventory level at 817,251 pieces, indicating strong supply continuity. CR1206-FX-3903ELF (Bourns Inc.) with 69,084 pieces and CRCW1206390KFKEA (Vishay Dale) with 16,706 pieces also demonstrate robust availability. For critical applications, cross-source between multiple manufacturers to mitigate supply risk.
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