Susumu Co., Ltd. a Specialist in Thin Film Technology
Thin film surface mount resistors
High-temperature operation Network resistors. (Up to 230 degree Celsius)
High temperature metal thin film resistor networks RMA series AEC-Q200 Compliant
- Lead free
- Halogen free
- RoHS Compliance
- High Reliability
- High Precision
- AEC-Q200 Compliant
- High-temperature operation
- High power
- High voltage
- Anti-surge
- Non-magnetic
- High-Resolution Audio
- Anti-sulfur
- trimmable
- leads
RMA series - Contents
RMA series - Features & Applications
Features
- Conductive epoxy compatible chip resistor network
- Relative resistance tolerance: ±0.01%, relative TCR: ±1ppm/℃
- Operating temperature up to 230℃
- RoHS compliant, 100% lead free (gold terminal)
- Thin film structure enabling low noise and anti-sulfur
Applications
- Automotive electronics
- High temperature electronic devices
- Downhole drilling
RMA series - Specifications
◆Part numbering system
◆Electrical Specification
| Type | Power ratings (85℃) |
Resistance range (Ω) |
Resistance tolerance (Code) | Temperature coefficient of resistance (Code) | Pakaging quantity (designation) |
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|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute tolerance |
Tolerance ratio | Absolute TCR |
TCR tracking | ||||||||
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| RMA2012 | 0.05W/ Element 0.1W/ Package |
100 ～＜300 | ±0.1%(B) ±0.5%(D) |
±0.02%(P) ±0.05%(W) ±0.1%(B) ±0.5%(D) |
±0.05%(W) ±0.1%(B) ±0.5%(D) |
- | ±10ppm/℃(N) ±25ppm/℃(P) |
±1ppm/℃(X) ±2ppm/℃(W) ±5ppm/℃(V) |
±2ppm/℃(W) ±5ppm/℃(V) |
- | tape & reel (T&R) 10=1,000pcs 50=5,000pcs |
| 300 ～ 100k | ±0.05%(W) ±0.1%(B) ±0.5%(D) |
±0.01%(L) ±0.02%(P) ±0.05%(W) ±0.1%(B) ±0.5%(D) |
±0.05%(W) ±0.1%(B) ±0.5%(D) |
±5ppm/℃(V) ±10ppm/℃(N) ±25ppm/℃(P) |
±1ppm/℃(X) ±2ppm/℃(W) ±5ppm/℃(V) |
±1ppm/℃(X) ±2ppm/℃(W) ±5ppm/℃(V) |
±2ppm/℃(W) ±5ppm/℃(V) |
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| RMA3216 | 0.063W/ Element 0.125W/ Package |
100 ～＜300 | ±0.1%(B) ±0.5%(D) |
±0.02%(P) ±0.05%(W) ±0.1%(B) ±0.5%(D) |
±0.05%(W) ±0.1%(B) ±0.5%(D) |
- | ±10ppm/℃(N) ±25ppm/℃(P) |
±1ppm/℃(X) ±2ppm/℃(W) ±5ppm/℃(V) |
±2ppm/℃(W) ±5ppm/℃(V) |
- | |
| 300 ～ 500k | ±0.05%(W) ±0.1%(B) ±0.5%(D) |
±0.01%(L) ±0.02%(P) ±0.05%(W) ±0.1%(B) ±0.5%(D) |
±0.05%(W) ±0.1%(B) ±0.5%(D) |
±5ppm/℃(V) ±10ppm/℃(N) ±25ppm/℃(P) |
±1ppm/℃(X) ±2ppm/℃(W) ±5ppm/℃(V) |
±1ppm/℃(X) ±2ppm/℃(W) ±5ppm/℃(V) |
±2ppm/℃(W) ±5ppm/℃(V) |
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| RMA3225 | 0.1W/ Element 0.2W/ Package |
100 ～＜300 | ±0.1%(B) ±0.5%(D) |
±0.02%(P) ±0.05%(W) ±0.1%(B) ±0.5%(D) |
±0.05%(W) ±0.1%(B) ±0.5%(D) |
- | ±10ppm/℃(N) ±25ppm/℃(P) |
±1ppm/℃(X) ±2ppm/℃(W) ±5ppm/℃(V) |
±2ppm/℃(W) ±5ppm/℃(V) |
- | |
| 300 ～ 500k | ±0.05%(W) ±0.1%(B) ±0.5%(D) |
±0.01%(L) ±0.02%(P) ±0.05%(W) ±0.1%(B) ±0.5%(D) |
±0.05%(W) ±0.1%(B) ±0.5%(D) |
±5ppm/℃(V) ±10ppm/℃(N) ±25ppm/℃(P) |
±1ppm/℃(X) ±2ppm/℃(W) ±5ppm/℃(V) |
±1ppm/℃(X) ±2ppm/℃(W) ±5ppm/℃(V) |
±2ppm/℃(W) ±5ppm/℃(V) |
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◆Dimensions
| Type | Size (inch) |
L | W | t | a | b | W1 | W2 |
|---|---|---|---|---|---|---|---|---|
| RMA2012 | 0805 | 2.0±0.2 | 1.25±0.2 | 0.45±0.1 | 0.5±0.2 | 0.6±0.2 | 0.4±0.2 | 0.35±0.2 |
| RMA3216 | 1206 | 3.2±0.2 | 1.6±0.2 | 0.45±0.1 | 1.0±0.25 | 1.0±0.2 | 0.4±0.25 | 0.4±0.2 |
| RMA3225 | 1209 | 3.2±0.2 | 2.5±0.2 | 0.45±0.1 | 1.0±0.25 | 1.0±0.2 | 0.4±0.25 | 0.6±0.2 |
(unit：mm)
◆Reliability specification
| Standard | |||
|---|---|---|---|
| Test items | Condition (test methods (MIL-PRF-55342/JIS C5201-1) | absolute | relative |
| Short time overload | 2.5 x rated voltage*1, 5seconds | ±(0.1%+0.01Ω) | ±0.05% |
| Life (biased) | 70℃, rated voltage, 90min on 30min off, 1000hours | ±(0.1%+0.01Ω) | ±0.05% |
| Temperature shock | 85℃, 85%RH, 1/10 of rated power, 90min on 30min off, 1000hours | ±(0.1%+0.01Ω) | ±0.05% |
| High temperature exposure*2 | -55℃(30min) ～ 125℃(30min) 1000cycles | ±(0.1%+0.01Ω) | ±0.05% |
| Resistance to soldering heat | 155℃, no bias, 1000hours | ±(0.1%+0.01Ω) | ±0.05% |
*1 Rated voltage is given by E=√ R x P E= rated voltage(V), R=nominal resistance value(Ω), P=rated power(W)
If rated voltage exceeds maximum voltage /element, maximum voltage/element is the rated voltage.
*2 Please contact our sales office for details.
◆Reliability test data
○Biased life test
○High temperature high humidity (biased)
○Temperature shock
◆Derating Curve
Please feel free to contact us about products,
requesting documents and samples.
Susumu Co., Ltd. a Specialist in Thin Film Technology
