Thin Film Chip Resistor
RM Series
1.0 Description
Tight tracking resistance tolerance of ±0.01% and tracking temperature coefficient of resistance of ±1 ppm°C
are achieved. Under high temperature and humidity of 85°C and 85% RH, and at 155°C (1000 hours opera-
tion), superior reliability of less than ±0.1% change in resistance.
RoHS Compliant & Lead Free
2.0 Mechanical
1
2
a
3
b
W
b
1
2
L
1
R1
2
R2
2
2
3
1
R1
R2
3
4
a
4
3
b
W
b
T
L
W
T
a
b
Dimension
dimension mm
RM2012
(0805)
2.0 0±0.20
1.25 ±0.20
0.40 ±0.10
0.60 ±0.20
0.35 ±0.20
RM3216
(1206)
3.20
1.60
0.40
1.00
0.40
±0.20
±0.20
±0.10
±0.20
±0.20
A Series
B Series
3.0 Electrical
Type
Power
Resistance Range
Absolute Tolerance %(code)
Tracking Resistance %
Tolerance (code)
Absolute TCR ppm/°C(code)
Tracking TCR ppm/°C (code)
RM2012
0.050W/element, 0.100Wpackage
100~100 kohm
±0.1(B),±0.5 (D)
(100<R<2Kohm)
±0.05(W), ±0.1(B),±0.5(D)
(2kohm<R<100Kohm)
RM3216
0.063W/element, 0.125Wpackage
500~330konm
±0.1(B),±0.5(D)
(100<R<2Kohm)
±0.05(W), ±0.1(B),±0.5(D)
(2kohm<R<330Kohm)
±0.01(L), ±0.02(P), ±0.05(W) (ratio=1)
±0.02(P), ±0.05(W), (1<ratio<10)
±0.05(W),(100>ratio>10)
±25(P)
±10(N), ±25(P)
(100<R<300ohm)
(300<R<100ohm
±1(X),±5(V), (ratio=1)
±2(W), ±5(V), (1<ratio<3)
±5(V), (100>ratio>3)
%(code)±0.01(L), ±0.02(P), ±0.05(W) (ratio=1)
±0.02(P), ±0.05(W), (1<ratio<10)
±0.05(W),(100>ratio>10)
±25(P)
±10(N), ±25(P)
(100<R<300ohm
(300<R<330Kohm
±1(X),±5(V), (ratio=1)
±2(W), ±5(V), (1<ratio<3)
±5(V), (100>ratio>3)
•Please contact us for TCR 5ppm/ C for 300 or more in RM2012,RM3216
• Standard combination of resistance values
Identical resistance values R1=R2=1kohm,10kohm,100kohm
Different resistance values R1=1k, R2=2kohm,3kohm,4kohm,5kohm,6kohm,9kohm,10kohm,20kohm,25kohm,50kohm,100kohm
R1=2kohm, R2=10kohm,20kohm,40kohm,50kohm,100kohm,200kohm
R1=10kohm, R2=20kohm,30kohm,40kohm,50kohm,60kohm,90kohm,100kohm
• Please contact us for other variety than these sizes and customized specifications.
4.0 Part Number
RM 2012 A ***/*** P W X
L 10
P
ackaging (10 = 1,000 pcs/reel),50 = 5000 pcs/reel)
Tracking resistance tolerance
Tracking TCR
Resistance tolerance
Temperature coefficient of resistance
Resistance value
Circuit qualifier
Package size
Product designator
I
S
TERE
I
S
TERE
R
R
EG
EG
D
36
ISO9001 ISO14001
A4
303
D
A8
561
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