key features ultra precision - down to 0.05% matched sets available to 2ppm/c high pulse withstand low reactance low tcr - down to 5ppm/c long term stability up to 1 watt at 70c released to cecc 40101 004, 030 and 804 type holco series the holco range of precision metal film resistors meets the requirement for economically priced components for industrial and military applications. the manufacturing facility utilises closely controlled production processes includ- ing the sputter coating of metal alloy films to ceramic substrates, and laser spiralling to achieve close tolerance and high stability resistors. an epoxy coating is applied for environmental and mechanical protection. comm- ercially the series is available in two case sizes, from 1 ohm to 4m ohms, tolerances from 0.05% to 1% and tcr's from 5ppm/c to 100ppm/c. offered with release to bs cecc 40101 004, 030 and 804 the h8 is available via distribution. general data lead material: solderability to bs cecc 40101 004 para 4.15.1 encapsulation: conformal epoxy coating resistor marking: legend printed in accordance with cecc 40000 para 2.4 solvent resistance: the epoxy coating and print will withstand the action of all commonly used industrial cleansing solvents temperature coefficient / tolerance ranges tcr h4p h4 h8 ppm/c 0.05% 0.1%-0.25% 0.5%-1.0% 0.05% 0.1%-0.25% 0.5%-1.0% 0.05% 0.1%-0.25% 0.5%-1.0% 5 10r-500k 10r-500k 10r-500k 10r-500k 10r-500k 10r-500k 10r-500k 10r-500k 10r-500k 10 10r-1m0 10r-1m0 10r-1m0 10r-1m0 10r-1m0 10r-1m0 10r-1m0 10r-1m0 10r-1m0 15 10r-1m0 10r-1m0 10r-1m0 10r-1m0 10r-1m0 10r-1m0 10r-1m0 10r-1m0 10r-1m0 25 10r-1m0 10r-2m0 10r-2m0 10r-1m0 10r-2m0 10r-2m0 10r-1m0 10r-2m0 10r-2m0 50 10r-1m0 10r-2m0 10r-4m0 10r-1m0 10r-2m0 10r-4m0 10r-1m0 10r-2m0 10r-4m0 100 10r-1m0 1r0-2m0 1r0-4m0 10r-1m0 1r0-2m0 1r0-4m0 10r-1m0 1r0-2m0 1r0-4m0 characteristics - electrical h4p h4 h8 bs cecc 40101 004 style: khj power rating at 70c: 0.25w 0.063w 0.125w temperature rise (max): 32c 14c 28c limiting element voltage: 250v 200v 200v bs cecc 40101 030 style: jh power rating at 125c: 0.125w 0.1w temperature rise (max): 30c 30c limiting element voltage: 250v 200v bs cecc 40101 804 style: ba power rating at 125c: 0.25w 0.125w limiting element voltage: 250v 200v commercial ratings power rating at 70c: 1.0w 0.5w 0.25w temperature rise: 70c 55c 40c limiting element voltage: 500v 350v 350v approved value ranges 40101-004, 40101-030 type style style z c d y 004 030 100ppm 50ppm 25ppm 15ppm h4 k j 10r-1m0 49r9-1m0 49r9-1m0 49r9-1m0 h8 hj h 10r-1m0 49r9-1m0 49r9-1m0 49r9-1m0 tolerances 0.1%, 0.25%, 0.5%, 1% 40101-804 type style cdt 50ppm 25ppm 15ppm h4 b 49r9-1m0 49r9-1m0 49r9-1m0 h8 a 49r9-1m0 49r9-1m0 49r9-1m0 tolerances 0.1%, 0.25%, 0.5%, 1% axial leaded precision resistors type holco series literature no. 1773230 issued: 07-09 dimensions are shown for reference purposes only. dimensions are in millimetres unless otherwise specified. specifications subject to change. tycoelectronics.com passives.tycoelectronics.com
characteristics - electrical typical data reference voltage coefficient of less than n/a resistance (between 10% 5ppm/volt applied and full rated voltage) insulation resistance at greater than 10 12 ohms n/a 500 volts resistance to soldering less than 0.05% bs cecc 40101 004 heat (260c for 10 secs.) para 4.15.2 short term overload less than 0.06% bs cecc 40101 004 (6.25 times rated bs cecc para 4.11 wattage for 5 seconds) ambient temperature -55c to +155c bs cecc 40101 004, range bs cecc 40101 030 & commercial rapid change of less than 0.04% bs cecc 40101 004 temperature para 4.16 (-55c to +155c, 5 cycles) shelf life less than 0.05% per annum n/a (at normal room temp.) vibration less than 0.04% bs cecc 40101 004 (10-500 hz,amplitude para 4.19 0.75mm, or acceleration 98m/s2 which is less severe, sweep duration 6 hours) vibration less than 0.04% mil std 202 (55-2000 hz simple method 204-c harmonic motion, max.acceleration 98m/s2, duration 355 minutes) bump (390m/s2, less than 0.03% bs 2011 part 2.1 eb 1977 (1984) 4000 bumps) load stability see graphs n/a damp heat steady state see graph bs cecc 40101 004 para 4.21 dimensions h4p h4 h8 body length (l) maximum: 10.0 mm 10.0 mm 7.20 mm body diameter (d) maximum: 3.70 mm 3.70 mm 2.50 mm lead diameter (d) maximum: 0.60 mm 0.60 mm 0.60 mm lead length (l) nominal: 30.0 mm 30.0 mm 30.0 mm recommended mounting pitch: 12.7 mm 12.7 mm 10.2 mm weight (g/100 resistors) 40 40 24 axial leaded precision resistors type holco series literature no. 1773230 issued: 07-09 dimensions are shown for reference purposes only. dimensions are in millimetres unless otherwise specified. specifications subject to change. tycoelectronics.com passives.tycoelectronics.com to prevent damage to the components conformal coating, the leads should be adequately supported during the forming process
characteristics - long term stability long term stability commercial ratings at 125c h4p - 1w h4 - 0.5 w h8 - 0.25 w damp heat steady state 93% rh at 40c h8 100r b y b common part 1.0 ohm (1000 milli ohms) 1r0 10 ohm (10 ohms) 10r 100 ohm (100 ohms) 100r 1k 0hm (1000 ohms) 1k0 10k ohm (10000 ohms) 10k 100k ohm (100000 ohms) 100k 1m ohm (1000000 ohms) 1m0 resistance value tolerance h4p h4 h8 a - 0.05% b - 0.1% c - 0.25% d - 0.5% f - 1.0% t.c.r. code a - part can only be sold with commercial or c of c release. b - part can be sold to bs cecc 40101 004, bs cecc 40101 030 d - part can be sold to bs cecc 40101 804 release a - 5ppm b - 10ppm y - 15ppm d - 25ppm c - 50ppm z - 100ppm how to order long term stability bs cecc 40101 004 ratings at 70c h4 - 0.25 w h8 - 0.125 w long term stability bs cecc 40101 030 ratings at 125c h4 - 0.125 w h8 - 0.1 w derating graph - approved and commercial ratings axial leaded precision resistors type holco series literature no. 1773230 issued: 07-09 dimensions are shown for reference purposes only. dimensions are in millimetres unless otherwise specified. specifications subject to change. tycoelectronics.com passives.tycoelectronics.com
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