PRELIMINARY
PULSE RESISTORS, SURFACE MOUNT
RESISTORS
wCOILS wDELAY
LINES
PRM SERIES
FEATURES
r
Surface-mount version of RCD's popular PR Series
r
Cost effective
r
High voltage pulse capability
r
Insensitive to moisture
r
Available on exclusive
SWIFT
ä
delivery program
OPTIONS
r
X = Non-inductive design
r
ER = Group A Screening per MIL-R-39008 (RCR)
A
←
C
→
B
←
D
→
←
E
→
SPECIFICATIONS
RCD
Type
PRM1/8
PRM1/4
PRM1/2
PRM1
Wattage
@ 70° C
1/8W
1/4W
1/2W
1W
Resistance
Range
0.1W to 2K
0.1W to 8.2K
0.1W to 24K
0.1W to 100K
Working
Voltage
150V
250V
350V
500V
Peak
Pulse*
3KV
5KV
7KV
12KV
A
.260±.02 [6.6±.5]
.260±.02 [6.6±.5]
.445±.032 [11.3±.8]
.811±.018 [20.6±.46]
RCD's PRM Series Pulse Resistant resistors are de-
signed to replace carbon composition styles in numerous
applications. The PRM Series feature a core composi-
tion of ceramic and heavy duty wound element. The
construction enables surge performance similar to or
better than carbon composition resistors (depending on
resistance value) and significantly improved environmen-
tal stability (see comparison chart). Elements are
protected by high-temp molded case for excellent envi-
ronmental performance and 500V minimum dielectric
strength. PRM resistors are cost effective in a wide
variety of pulse applications including telecom line feed
resistors which must withstand lightning surges,snubber
circuits, in-rush currents, capacitor charging and
discharge circuits, etc.
B
.110±.015 [2.8±.38]
.110±.015 [2.8±.38]
.180±.020 [4.6±.5]
.275±.010 [7.0±.25]
C
.150±.015 [3.8±.38]
.150±.015 [3.8±.38]
.225±.015 [5.7±.38]
.273±.010 [6.9±.25]
D
.040 Min.[1.0]
.040 Min. [1.0]
.080 Min. [2.0]
.085±.02 [2.15]
E
.060±.015 [1.5±.38]
.060±.015 [1.5±.38]
.060±.015 [1.5±.38]
.110±.02 [2.79±2.15]
*Peak pulse voltage is highly dependent on pulse waveform and resistance value. Voltage levels given indicate the maximum levels for the series.
These levels are not attainable for all values and plse waveforms. Contact factory for application assistance.
PERFORMANCE COMPARISON CHART
RC D P RM SE RIES
CA RBO N C OMP
AVAILABLE SURGE STANDARDS
Depending on resistance value, RCD's PRM Series can satisfy surge
requirements of the following standards:
UL1971
UL217
UL268
UL294
UL497A
UL508
UL913
UL943
UL991
UL1459
ANSI/IEEE C62.41
Bellcore TR-NWT-001089
Bellcore TR-TSY-000057
IEEE587
Canadian Doc. CS-03
CCITT (Rec. K17)
CSA C22.2 No.225
IEC 664 & 801.5
FCC Part 68
REA (PE60)
Insulation Resistance
Voltage Coefficient
Load Life
Short Time Overload
Terminal Strength
Effect of Solder Heat
Vibration
Shock
Humidity Resistance
Low Temp. Operation
Temperature Cycling
Temp. Coefficient
Operating Temp.
Wattage Derating
10,000MW Min
.005%/V Max
0.5% Max
0.5% Max
0.2% Max
0.2% Max
0.2% Max
0.2% Max
1% Max
0.5% Max
0.5% Max
±.012% /°C Max
-65°C to +155°C
1.176%/°C>70°C
10,000MW Min
.007% - .03%/V
6% Max
1%-2.5% M ax
1% Max
2%-3% Max
1% Max
2% Max
11% Max
2% Max
2% Max
-.046 to +.12%/°C
-65°C to +150°C
1.25%/°C>70°C
P/N DESIGNATION:
RCD Type
Options:
X, ER, (leave blank
if standard)
PRM1/2
- 1001 - J
T
4-Digit Res. Code:
3 sig. digits &
multiplier. R100=0.1Ω, 1R00=1Ω,
1000=100Ω, 1001=1KΩ
Tolerance Code:
K=10%, J=5%, H=3%, G=2%, F=1%
Packaging:
B = is bulk, T = Tape & Reel
RCD Components Inc.,
520 E. Industrial Park Dr., Manchester, NH, USA 03109
Tel: (603) 669-0054 Fax:(603) 669-5455 E-mail: rcdcompinc@aol.com
www.rcd-comp.com
FA005 specifications subject to change without notice
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