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
Anti-surge
Non-magnetic
High-Resolution Audio
Anti-sulfur
trimmable
leads

RMA series - Contents

PDF Catalogue
2 pages/

Recommended
land patterns

Recommended reflow soldering profile

Dimensions of
the packaging reel

Dimensions of
the packaging tape

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)

Absolute
tolerance

Relative tolerance

Absolute
tolerance

Relative tolerance

Resistance
ratio
=1

1<
Resistance
ratio
≦100

100<
Resistance
ratio
≦500

Resistance
ratio
=1

1<
Resistance
ratio
≦100

100<
Resistance
ratio
≦500

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)

±2ppm/℃(W)
±5ppm/℃(V)

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)

±2ppm/℃(W)
±5ppm/℃(V)

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)

±2ppm/℃(W)
±5ppm/℃(V)

◆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)	±(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