GS300-24 · KaRaTec

On hand

7 ea

Bin FG-04

Allocated

open orders & unkitted builds

In build

Std cost

$563.96

rolled up from 3 BOM levels

Sell ex GST

$1,185.00

52.4% gross margin

Bill of materials — rev E, all levelsBOM-GS300-24 →

Part	Level	Per	Ext. qty	On hand	Unit cost	Ext. cost
PSA-GS300 rev C Power stage PCBA, GS 300W	L1	1 ea	1	19	$221.73	$221.73
└ PCB-GS300 Bare PCB GS 300W power, 4L 2oz	L2	1 ea	1	41	$14.20	$14.20
└ Q-IPP60R099 MOSFET 600V 31A TO-220	L2	2 ea	2	30	$6.12	$12.24
└ D-VS60EPU02 Ultrafast diode 200V 60A TO-247	L2	2 ea	2	75	$5.20	$10.40
└ MAG-T360 rev D Main transformer 360W, ETD49	L2	1 ea	1	19	$73.58	$73.58
└ M-ETD49 Ferrite core pair ETD49 N87	L3	1 ea	1	136	$5.20	$5.20
└ M-BOB49 Bobbin ETD49 20-pin	L3	1 ea	1	136	$1.40	$1.40
└ M-WIRE08 Enamelled copper wire 0.8mm	L3	14 m	14	1,032	$0.09	$1.26
└ M-LITZ100 Litz wire 100 × 0.1mm	L3	5 m	5	168	$0.85	$4.25
└ M-TAPE Polyester insulation tape 25mm	L3	2 m	2	337	$0.06	$0.12
└ L-IND33U Power inductor 33µH 15A	L2	1 ea	1	98	$2.85	$2.85
└ C-ELC220-160 Electrolytic 220µF 160V 105°C	L2	3 ea	3	206	$1.65	$4.95
└ C-ELC470-63 Electrolytic 470µF 63V 105°C	L2	2 ea	2	354	$0.95	$1.90
└ C-MLCC10U-100 MLCC 10µF 100V X7R 1210	L2	6 ea	6	453	$0.42	$2.52
└ C-FILM2U2-250 Film capacitor 2.2µF 275VAC X2	L2	2 ea	2	195	$1.20	$2.40
└ R-0603 Resistor 0603 1% (per placement)	L2	44 ea	44	12,000	$0.01	$0.44
└ C-MLCC100N-50 MLCC 100nF 50V X7R 0603	L2	26 ea	26	7,711	$0.01	$0.26
└ H-TPAD Thermal pad TO-220, silicone	L2	6 ea	6	858	$0.18	$1.08
└ H-CLIP220 TO-220 heatsink spring clip	L2	6 ea	6	599	$0.35	$2.10
└ R-SHUNT5M Current shunt 5mΩ 3W 2512	L2	1 ea	1	124	$0.64	$0.64
CHG-GS rev C Charger & battery monitor PCBA, GS	L1	1 ea	1	65	$89.37	$89.37
└ PCB-GSCHG Bare PCB GS charger & monitor, 4L	L2	1 ea	1	80	$7.60	$7.60
└ U-BQ24610 Battery charge controller BQ24610	L2	1 ea	1	6	$6.40	$6.40
└ U-STM32G031 MCU STM32G031K8 LQFP-32	L2	1 ea	1	220	$2.45	$2.45
└ U-LM5122 Boost controller LM5122 HTSSOP-20	L2	1 ea	1	56	$5.20	$5.20
└ Q-BSC093N15 MOSFET 150V 87A TDSON-8	L2	2 ea	2	320	$4.10	$8.20
└ L-IND10U Power inductor 10µH 8A SMD	L2	1 ea	1	129	$1.20	$1.20
└ R-SHUNT5M Current shunt 5mΩ 3W 2512	L2	1 ea	1	124	$0.64	$0.64
└ R-NTC10K NTC thermistor 10k	L2	1 ea	1	89	$0.35	$0.35
└ R-0603 Resistor 0603 1% (per placement)	L2	48 ea	48	12,000	$0.01	$0.48
└ C-MLCC100N-50 MLCC 100nF 50V X7R 0603	L2	30 ea	30	7,711	$0.01	$0.30
└ C-MLCC10U-100 MLCC 10µF 100V X7R 1210	L2	4 ea	4	453	$0.42	$1.68
└ U-PC817 Optocoupler PC817 SMD	L2	2 ea	2	1,170	$0.18	$0.36
└ J-PC5-4 Terminal block 4-pos 5.08mm	L2	1 ea	1	326	$2.60	$2.60
HAR-GS rev B Battery lead set, GS (SB50)	L1	1 ea	1	63	$36.80	$36.80
└ W-10AWG Battery cable 10 AWG, red/black	L2	1.5 m	1.5	129	$3.20	$4.80
└ J-SB50 Anderson SB50 connector	L2	1 ea	1	51	$6.90	$6.90
└ W-LUGM6 Crimp lug M6 10mm²	L2	2 ea	2	393	$0.55	$1.10
└ W-HSHRINK Heatshrink 6mm, black	L2	0.4 m	0.4	120	$0.45	$0.18
└ F-ATO15 Fuse 15A ATO blade	L2	1 ea	1	77	$0.32	$0.32
└ F-HOLD-ATO In-line ATO fuse holder, 10 AWG	L2	1 ea	1	75	$1.45	$1.45
ENC-GS rev B Enclosure kit, GS wall-mount	L1	1 ea	1	62	$82.05	$82.05
└ E-GSCAB Wall-mount cabinet GS, 1.2mm steel, powder coat	L2	1 ea	1	42	$36.50	$36.50
└ E-GSBRKT Battery tray & bracket GS	L2	1 ea	1	32	$9.80	$9.80
└ H-GLAND20 Cable gland M20 IP68, nylon	L2	2 ea	2	114	$1.65	$3.30
└ H-M4X10 Screw M4×10 pan, stainless	L2	10 ea	10	1,313	$0.06	$0.60
└ H-LABEL Rating label, polyester, printed	L2	1 ea	1	160	$0.45	$0.45
J-PC5-4 Terminal block 4-pos 5.08mm	L1	2 ea	2	326	$2.60	$5.20
P-CTN-L Carton large, printed	L1	1 ea	1	150	$2.90	$2.90
P-GUIDE Installation guide, printed	L1	1 ea	1	247	$0.60	$0.60

Materials (level 1) $438.65Labour 45 min $51.75Overhead 15% $73.56Std cost $563.96

Direct BOM lines (edit)

Part

Qty per

Ref des

CHG-GS Charger & battery monitor PCBA, GS

ENC-GS Enclosure kit, GS wall-mount

HAR-GS Battery lead set, GS (SB50)

PSA-GS300 Power stage PCBA, GS 300W

J-PC5-4 Terminal block 4-pos 5.08mm

P-CTN-L Carton large, printed

P-GUIDE Installation guide, printed

Stock historylast 25 movements

When	Movement	Ref	Qty	Note
06 Jul 2026 · 07:30	Stocktake	ST-2026-07	+7	Quarterly count

When

Movement

Ref

Qty

Note

06 Jul 2026 · 07:30

Stocktake

ST-2026-07

Quarterly count

Part

Level: Finished
Category: Battery backup PSU
Family: GS InCharge
Revision: E
Lead time: 15 days
Reorder: at 4, order 10
Spec: 230VAC in, 24V load + bi-directional battery output, 300W, 3-step temp-compensated charge, battery monitoring